The invention proposes a convenient and secure, but also easily retrofittable, optical monitoring device (1) for monitoring a monitoring region (8), comprising an installation strip (4) having a transmitting and/or receiving device (6, 7) for detecting objects in the monitoring region (8), wherein the installation strip (4) is designed to be attached to the side of the monitoring region (8). In addition, it has an acoustic or audiovisual signalling device (9) for outputting information and/or warnings, which signalling device (9) is integrated in the installation strip (4), wherein the signalling device (9) has an interface (S) in order to receive control signals from a sensor device and/or an evaluation device (6, 7, 13, 14; 17), which control signals are converted into an acoustic or audiovisual output via the signalling device (9).
A light grid for determining the distance between transmitter and receiver strips, includes a transmitter strip with one or more transmitter elements which emit radiation having a specific intensity, a receiver strip with one or more receiver elements which receive the radiation from an assigned transmitter element, and a control device for controlling the transmitter elements and/or the receiver elements and for evaluating the receiver elements. At least one of the transmitter elements and/or at least one of the receiver elements are configured as qualified transmitter and receiver elements. The control device is configured to control different combinations of intensities and amplification factors of the qualified transmitter and/or receiver elements and to ascertain a distance value as a function of the sum of the resulting intensity values of the controlled combinations.
The invention relates to an improved method for installing or repairing an elevator door, having a first step, in which the installation or repair is carried out on the elevator door, and a second step, in which the installation or repair is inspected prior to starting up the elevator door for general use. In the second step, the elevator door is first opened and closed at least once while the vibration of the elevator door is measured. A vibration profile, in particular an average vibration profile, is then formed from the opening and/or closing processes. The vibration profile is then compared with at least one comparison value, and a signal to accept or reject the installation or repair for general use is output on the basis of the comparison.
The controller according to the invention is a controller for optimizing the leveling process (leveling) of an elevator car at a stopping point for an elevator having an elevator controller which controls the stop of the car at a stopping point as a function of a specified distance X to the stopping point, wherein the controller is designed, during each of at least two, in particular at least three journeys, to record a set of at least one same measured value, to determine a change dX or a changed distance X′ as a function of the set of the current journey and at least one past journey and to output the changed value X′ or the difference dX to the specified distance X.
Safety apparatus having a presence determination device for determining a person in an elevator car, a stopped state determination device for determining the stopped state of the elevator car, a door state determination device for determining the closed state and the duration of the closed state of the car door of the elevator car, and a relay device for relaying a signal to a supervisory authority. The relay device relays the signal when the door state determination device determines the closed state for the car door, the presence determination device determines a person in the elevator car, and the stopped state determination device determines the stopped state of the elevator car and a specific length of time has elapsed since the stopped state determination device has continuously determined the stopped state of the elevator car.
A security device for an elevator comprising an elevator car comprising a car door, comprising an accelerometer for detecting the vibration of the car door, comprising a pre-evaluation apparatus for determining shaking of the car door on the basis of the comparison of the detected vibration with at least one threshold value, comprising a transmission apparatus for transmitting vibration signals on the basis of the detected vibration to a server, and comprising a server for analyzing the vibration signals, wherein the pre-evaluation apparatus is physically connected to the elevator car, the transmission apparatus then transmits the vibration signals if the pre-evaluation apparatus determines shaking and the server is physically separate from the elevator and weights the transmitted vibration signals and stores and/or outputs the information for the probable cause of the shaking depending on the weighting.
Apparatus for planning maintenance for an elevator having an elevator car having a car door having an accelerometer for detecting the vibration of the car door, having a collecting device that is designed to use the detection to create a vibration profile, having a transmission device for relaying the vibration profile to a server, and having a server for analyzing the vibration profile. The collecting device is connected to the elevator car to determine the deviation of the vibration profile from a reference profile and to take the deviation from at least one threshold or at least one value range as a basis for causing the transmission device to relay the deviation and/or the vibration profile to the server. The server is physically separate from the elevator and is designed to compare the deviation and/or the vibration profile with at least one threshold or at least one value range.
Proposed is a safety installation for industrial doors that are mounted movably between two guide rails, having at least one optical sensor system for recognizing objects, wherein the optical sensor system is mounted in at least one housing able to be fastened in each case to the guide rails. In order to be able to impose lower mounting requirements while keeping at least the same level of safety, the housing and/or at least one of the housings has an acceleration sensor for measuring a vibration and for supplying vibration data from which an evaluation unit evaluates whether the door has left the guide.
Safety apparatus for an elevator having an elevator car having a presence determination device for determining that one and only one person is present in the elevator car, having a position determination device for determining that the person is in a lying or crouching position and the length of time since the lying or crouching position occurred, and having a relay device for relaying a signal to a supervisory authority. In this scenario, the relay device relays the signal when the presence determination device determines that there is just a single person in the elevator car and the position determination device determines that the person is in the lying or crouching position and a specific length of time has elapsed since the lying or crouching position occurred.
A light grid for determining the distance between transmitter and receiver strips, includes a transmitter strip with one or more transmitter elements which emit radiation having a specific intensity, a receiver strip with one or more receiver elements which receive the radiation from an assigned transmitter element, and a control device for controlling the transmitter elements and/or the receiver elements and for evaluating the receiver elements. At least one of the transmitter elements and/or at least one of the receiver elements are configured as qualified transmitter and receiver elements. The control device is configured to control different combinations of intensities and amplification factors of the qualified transmitter and/or receiver elements and to ascertain a distance value as a function of the sum of the resulting intensity values of the controlled combinations.
The safety system according to the invention is a safety system for an elevator with a car which is moved by a drive along a conveying distance with a safety circuit for switching off the drive in an emergency situation, with a progressive safety gear which is designed to brake and hold the car in an emergency situation, with a safety device which is designed to monitor at least one system, to be monitored, of the elevator and in an emergency situation of a system to be monitored to send a safety signal to the safety circuit and progressive safety gear, wherein the safety device is designed, in a first step, to send the safety signal to the safety circuit, and in a second step which takes place a time interval after the sending to the safety circuit, to send the safety signal to the progressive safety gear.
B66B 1/34 - Control systems of elevators in general Details
B66B 5/06 - Applications of checking, fault-correcting or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
12.
SYSTEM FOR THE ANALYSIS OF AN OBJECT PASSING THROUGH A GATE
The invention relates to a system for the analysis of an object passing through an open gate of a building opening with a light grid and with an evaluation device. The light grid has a plurality of individual light barriers for emitting and receiving light beams at different and defined heights and for detecting the passage of an object through the open gate. The evaluation device is designed to evaluate the interruption state of the individual light barriers and to output a signal when an individual light barrier is interrupted. The evaluation device is furthermore designed to detect and evaluate the duration of the changes in the interruption states and to generate therefrom, together with the different heights, a pattern of the object in height and length. The evaluation device furthermore has a memory in which references are stored for different kinds of objects. The evaluation device is furthermore designed to identify the kind of object by applying the reference to the pattern.
G01B 11/04 - Measuring arrangements characterised by the use of optical techniques for measuring length, width, or thickness specially adapted for measuring length or width of objects while moving
E05F 15/43 - Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
G01V 8/20 - Detecting, e.g. by using light barriers using multiple transmitters or receivers
G01B 11/00 - Measuring arrangements characterised by the use of optical techniques
Detection device for a lift with a cabin with at least one cabin door, which is designed to carry out an opening movement and a closing movement when the cabin stops at a floor, to determine the floor when the lift cabin stops at a floor. The detection device has at least one accelerometer to detect the vibration of the cabin door during the opening movement and/or the closing movement. The detection device has an evaluation device, which is designed to create a vibration profile from the detection of the vibration during an opening movement and/or closing movement, and during a learning phase to create and store a reference vibration profile for each of at least two floors from one or more vibration profiles, and outside the learning phase to compare the currently recorded vibration profile with the existing reference vibration profiles, and to determine the reference vibration profile with the best match to the currently recorded vibration profile from the comparison, and to determine the relevant floor from this.
Detection device for a lift with a cabin with at least one cabin door, which is designed to carry out an opening movement and a closing movement when the cabin stops at a floor, to determine the floor when the lift cabin stops at a floor. The detection device has at least one accelerometer to detect the vibration of the cabin door during the opening movement and/or the closing movement. The detection device has an evaluation device, which is designed to create a vibration profile from the detection of the vibration during an opening movement and/or closing movement, and during a learning phase to create and store a reference vibration profile for each of at least two floors from one or more vibration profiles, and outside the learning phase to compare the currently recorded vibration profile with the existing reference vibration profiles, and to determine the reference vibration profile with the best match to the currently recorded vibration profile from the comparison, and to determine the relevant floor from this.
The detection device also has a light grid for detecting an object in the area of an open cabin door, which has a transmitter bar and a receiver bar, with at least one of the bars intended for mounting on the cabin door. Furthermore, the at least one accelerometer is arranged on the transmitter bar or receiver bar, which is intended to be attached to the cabin door.
Detection device for a lift with a cabin with at least one cabin door, which is designed to carry out an opening movement and a closing movement when the cabin stops at a floor, to determine the floor when the lift cabin stops at a floor. The detection device has at least one accelerometer to detect the vibration of the cabin door during the opening movement and/or the closing movement. The detection device has an evaluation device, which is designed to create a vibration profile from the detection of the vibration during an opening movement and/or closing movement, and during a learning phase to create and store a reference vibration profile for each of at least two floors from one or more vibration profiles, and outside the learning phase to compare the currently recorded vibration profile with the existing reference vibration profiles, and to determine the reference vibration profile with the best match to the currently recorded vibration profile from the comparison, and to determine the relevant floor from this.
Detection device for a lift with a cabin with at least one cabin door, which is designed to carry out an opening movement and a closing movement when the cabin stops at a floor, to determine the floor when the lift cabin stops at a floor. The detection device has at least one accelerometer to detect the vibration of the cabin door during the opening movement and/or the closing movement. The detection device has an evaluation device, which is designed to create a vibration profile from the detection of the vibration during an opening movement and/or closing movement, and during a learning phase to create and store a reference vibration profile for each of at least two floors from one or more vibration profiles, and outside the learning phase to compare the currently recorded vibration profile with the existing reference vibration profiles, and to determine the reference vibration profile with the best match to the currently recorded vibration profile from the comparison, and to determine the relevant floor from this.
The detection device also has a light grid for detecting an object in the area of an open cabin door, which has a transmitter bar and a receiver bar, with at least one of the bars intended for mounting on the cabin door. Furthermore, the at least one accelerometer is arranged on the transmitter bar or receiver bar, which is intended to be attached to the cabin door.
A light grid for mounting on an elevator car door for object detection and for determining periodic door movements, including transmitter elements that emits radiation with a specific intensity, receiver elements for receiving the radiation from an assigned transmitter element, and a control device for evaluating the receiver elements in regard to interruption of the radiation coming from an assigned transmitter element and for outputting a signal for object recognition upon interruption. At least one receiver element is configured to output an intensity value for the received radiation. The control device evaluates the intensity value and distinguishes separate high, medium and low intensity value ranges with high, medium and low intensity values, and performs an alternation phase with at least one alternating from the low via the medium to the low intensity value range and to output a signal in the event of an alternation phase having been recognized.
People counting device for an elevator car for determining a person entering or leaving the car, having a presence sensor at the entrance of the car for detecting the presence of a person in the region of the entrance or the passage of a person through the entrance and for outputting a detection signal in the event of presence or passage, having an accelerometer on the car, for detecting the vertical acceleration of the car and for outputting positive and negative acceleration values in relation to the upwards direction of movement of the car, and having an evaluation device that is designed, upon receipt of the detection signal, to receive a series of current acceleration values for a certain duration and to analyze whether one of the acceleration values or the motion profile resulting therefrom exceeds an upper threshold value or falls below a lower threshold value.
The controller according to the invention is a controller for optimising the positioning process (levelling) of an elevator car at a stopping point for an elevator, which elevator has an elevator controller which controls the car stop at a stopping point depending on a predetermined spacing X from the stopping point, wherein the controller is designed, during at least two, in particular at least three journeys, to in each case receive a set consisting of the same measurement value, to determine a change dX or a changed spacing X' depending on the set of the current journey and at least one past journey, and to output the changed value X' or the difference dX from the predetermined spacing X.
The invention relates to a light grid for determining the distance between a transmitter and a receiver strip, comprising a transmitter strip with one or more transmitter elements which emit radiation of a specific intensity, a receiver strip with one or more receiver elements which receive the radiation of a paired transmitter element, and a controller for actuating the transmitter elements and/or the receiver elements and for analyzing the receiver elements. Each transmitter element and each receiver element or at least one of the transmitter elements and/or at least one of the receiver elements is designed as a qualified transmitter and receiver element, wherein the qualified transmitter element or the qualified transmitter elements are designed to emit different intensities and/or the qualified receiver element or the qualified receiver elements are designed to apply different amplification factors and to output an intensity value for the received and amplified radiation, and the controller is designed to actuate different combinations of intensities and amplification factors of the qualified transmitter and/or receiver elements and ascertain a distance value on the basis of the sum of the resulting intensity values of the actuated combinations.
The invention relates to a light grid for determining the distance between a transmitter and a receiver strip, comprising a transmitter strip with one or more transmitter elements which emit radiation of a specific intensity, a receiver strip with one or more receiver elements which receive the radiation of a paired transmitter element, and a controller for actuating the transmitter elements and/or the receiver elements and for analyzing the receiver elements. Each transmitter element and each receiver element or at least one of the transmitter elements and/or at least one of the receiver elements is designed as a qualified transmitter and receiver element, wherein the qualified transmitter element or the qualified transmitter elements are designed to emit different intensities and/or the qualified receiver element or the qualified receiver elements are designed to apply different degrees of amplification and to output an intensity value for the received and amplified radiation, and the controller is designed to actuate different combinations of intensities and degrees of amplifications of the qualified transmitter and/or receiver elements and ascertain a distance value on the basis of the sum of the resulting intensity values of the actuated combinations.
Sensor device for an elevator comprising a car comprising an elevator door, which has a door movement space in the passage and disposed in front of which is a spatial region in front on the floor in front of the door movement space, comprising a detection device, configured for separately detecting objects in the door movement space and in the spatial region in front and for carrying out successive detection passes, and comprising an evaluation device, wherein the evaluation device has a memory and is configured to store in the memory at least temporarily the information as to whether an object has been detected during a detection pass, and to output an early closing signal for closing the elevator doors if no object has been detected during a detection pass and the information that an object has been detected has been stored in the memory for a preceding detection pass, in particular for a specific preceding detection pass, in particular for the directly preceding detection pass.
The communication system according to one embodiment for an elevator comprises a bus controller and a plurality of bus nodes. The bus controller periodically sends requests to all bus nodes and receives the responses from the bus nodes. The bus nodes receive requests from the bus controller and send responses to the bus nodes. The bus controller is designed to select a group of bus nodes for each of its requests and to wait for the responses of these bus nodes between two requests.
A leading closing edge safety arrangement for a vertically movable door device having door panel element(s) and a lower door end region. The leading closing edge safety arrangement includes a sensor arrangement for defining an optical signal path, and an optical signal path interrupting element in a first lower end position where the lower door end region contacts a floor surface. The sensor arrangement has a coupling device on each of a left and a right door side region of the lower door end region. The coupling device includes a first coupling device having a transmitter, and a second coupling device having a receiver. The first and/or the second coupling device has, as the optical signal path interrupting element, a switching arrangement with at least one switch to be triggered. The switching arrangement switches the transmitter and/or the receiver current-free at least in the first lower end position.
Sensor apparatus for an elevator with a hanging position measuring tape for detecting a critical change in length of the position measuring tape comprising a carrier, comprising a carriage on the carrier, comprising a tape holder on the carriage, comprising a tensioning device between the carrier and the carriage in order to be able to tension a secured positioning tape, comprising a detection device for detecting a critical displacement of the carriage on the carrier on the basis of a critical change in length of a position measuring tape to be mounted, and comprising an adjusting device.
An optoelectronic safety device for monitoring a machine movement includes a detection device and a control device. The detection device includes a transmitter unit which transmits an optical signal having a sequence of signal pulses, each of which has a different pulse intensity, and a receiver unit which receives the optical signal. The control device includes an evaluation unit which evaluates the optical signal received by the receiver unit, a pulse selection index, and a pulse selection unit which changes the pulse selection index if the pulse intensity of one of the signal pulses is outside of an optimal intensity range. The control device enables the machine movement if an intensity of a received signal is within a permissible intensity range, and outputs a trigger pulse to stop the machine movement if the intensity of the received signal is outside of the permissible intensity range.
The method according to the invention is a method for safeguarding the car of an elevator, which is provided to form regular unlocking zones in the region around the envisaged stopping points at the stories, against unintended movement. The method monitors the speed of the car, the height position of the car in the elevator shaft and the status of the locking of the car door, and identifies possible stopping of the car, the height position of the car outside a regular unlocking zone, and a possibly unlocked state of the car door. A first sub-method of the method forms a temporary unlocking zone when the car stops outside a regular unlocking zone with the car door unlocked, and it assigns the temporary unlocking zone an upper and a lower boundary above and below the position where the car stops.
B66B 5/00 - Applications of checking, fault-correcting or safety devices in elevators
B66B 1/32 - Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on braking devices
B66B 1/34 - Control systems of elevators in general Details
B66B 3/00 - Applications of devices for indicating or signalling operating conditions of elevators
B66B 5/02 - Applications of checking, fault-correcting or safety devices in elevators responsive to abnormal operating conditions
Method for monitoring the speed of an elevator car, with the car door in particular unlocked, within the unlocking zone of the elevator shaft, having a first speed-limit curve, having a first switchover event, having a second speed-limit curve, and having a second switchover event. The first speed-limit curve has a range of values between a first maximum value at the entry to the unlocking zone and a first minimum value at the envisaged stopping point. The first switchover event corresponds to the car traveling beyond the stopping point or to a stoppage within the unlocking zone. The second speed-limit curve has a range of values between a second maximum value at the envisaged stopping point and one or two second minimum values at the entry to, and exit from, the unlocking zone. The second switchover event corresponds to a departure signal or to the locking of the car door.
Light grid for protecting the door edge of a motor-driven door against collision with an object, having a transmitter strip and a receiver strip with transmitter elements and receiver elements, for detecting an object in the plane of the door panels by interruption of the reception of individual receiver elements. An evaluation device distinguishes between normal and safety cases based on the detection of a status for the door, identifies the safety case if the number of uninterrupted receiving elements between door edge and object falls below a critical number, and identifies the normal case if the safety case is not identified. A communication device outputs a signal for the status. The evaluation device determines a distance value corresponding to the number of uninterrupted receiver elements below the door edge up to the first interrupted element, and the communication device varies the frequency as a function of the distance value.
E06B 9/68 - Operating devices or mechanisms, e.g. with electric drive
E05F 15/43 - Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
G01V 8/20 - Detecting, e.g. by using light barriers using multiple transmitters or receivers
E06B 9/88 - Safety measures against dropping or unauthorised openingBraking or immobilising devicesDevices for limiting unrolling automatic for limiting unrolling
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
Door sensor (30) for installation on the door leaf (21) of a swing or revolving door (20), having a 3D image sensor for monitoring a monitoring field (30) in front of the door leaf, having a rotation angle encoder for detecting the rotation angle of the door leaf, wherein the door sensor has a common support that connects the 3D image sensor to the rotation angle encoder.
A method for teaching parameters for a door sensor for monitoring a monitoring field in front of the door leaf of a door, including: using an at least 2-axis rotation angle encoder having at least 1-axis inclination in relation to the door leaf; opening the door leaf of the closed door; detecting the rotation of the two axes of the rotation angle encoder during opening; ascertaining the direction of rotation of the two axes on the basis of the rotation thereof; ascertaining the side of the door on which the door sensor is installed on the door leaf on the basis of the direction of rotation of the two axes; and storing the side of the door in a memory unit.
A sensor for monitoring a monitoring area having a transmitter for transmitting radiation into the monitoring area for reflection at an object in the monitoring area, a test transmitter for transmitting a test signal comprising radiation, a receiver for receiving the radiation of the transmitter that is reflected at the object or the radiation of the test transmitter, and an evaluation device for ascertaining a distance value on the basis of the delay in the transit time or the phase of a modulation between the transmitted and received radiation of the sensor. The sensor further comprises a memory for storing an expectation value for the expected distance value of the received test signal, and a comparison device for comparing a distance value on the basis of the received test signal with the expectation value and for outputting a safety signal on the basis of the comparison.
G01S 17/10 - Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
G01S 17/32 - Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
G01S 7/4915 - Time delay measurement, e.g. operational details for pixel componentsPhase measurement
G08B 13/187 - Actuation by interference with heat, light, or radiation of shorter wavelengthActuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interference of a radiation field
G01S 17/36 - Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
G01S 17/04 - Systems determining the presence of a target
G01S 17/894 - 3D imaging with simultaneous measurement of time-of-flight at a 2D array of receiver pixels, e.g. time-of-flight cameras or flash lidar
31.
Elevator system having a measuring device for determining a position of an elevator car in an elevator shaft
An elevator system having an elevator car in an elevator shaft and having a measuring tape in the elevator shaft for determining the position of the elevator car in the elevator shaft. The measuring tape is arranged vertically in the elevator shaft and has optical coding for length measurement. At least one marking element which has optical marking is arranged on the measuring tape. The marking element is fixedly arranged on the measuring tape. A sensor device which comprises a lighting source and a sensor which form a detection field for detecting the measuring tape is attached to the elevator car. The elevator system comprises an evaluation device for decoding the codings in the detection field and a control device for controlling the elevator system as a function of the coding and/or of the position of the at least one marking element on the measuring tape.
G01B 11/14 - Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
An optoelectronic safety device for monitoring a machine movement includes an emitter/receiver device, control electronics, an electric line which includes at least two wires to transmit a supply voltage and a control signal, and a device provided so that the supply voltage and the control signal can be transmitted where the at least two wires is a two-wire electric line or, alternatively, a three-wire electric line.
H03K 17/78 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
H02H 3/00 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection
33.
Coding device and position-determining device and position-determining method
In order to increase safety, a computer-implemented method is proposed for determining the position of a lift cabin in a lift shaft with the aid of a coding device, which comprises a code band as a marking, wherein the position is determined analytically by means of an algorithm on the basis of the code of the marking, wherein an extrapolated position is determined from the stored positions and the instant of the recording and, in turn, a coding pattern to be compared in relation to the recording is calculated by inverting the algorithm.
G06K 7/14 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
B66B 1/34 - Control systems of elevators in general Details
B66B 5/00 - Applications of checking, fault-correcting or safety devices in elevators
G01D 5/26 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light
34.
Coding device and position-determining device and position-determining method
In order to increase safety, a computer-implemented method is proposed for determining the position of a lift cabin in a lift shaft with the aid of a coding device, wherein a section of the code band and/or of the bearing device is recorded with an optical detection device as a pixel image consisting of pixels and the instant of the recording being measured and assigned to the pixel image, wherein the position is determinable analytically from position markers of the code band by way of an algorithm and wherein at least one checking method which uses, inter alia, a calculated extrapolated position is carried out.
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
G06K 7/14 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
35.
Coding apparatus and position-finding apparatus and method
A computer-implemented method for determining the position of a lift cabin in a lift shaft with the aid of a coding device, in which method is at least one of a section of the code band and the bearing device is recorded with an optical detection device as a pixel image in which the pixel image is larger than the position marker, the pixel image is processed and a binary code is decoded by means of an algorithm and converted into a position indication, a checksum of the position marker, which is formed by at least one of the binary code and grayscale values of the position marker, is compared to a predetermined value, and one of a barcode and a 2D code calculated from the position indication using an inverse of the algorithm and is compared with at least one recorded row outside of the position marker.
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
G06K 7/14 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
B66B 1/34 - Control systems of elevators in general Details
B66B 5/00 - Applications of checking, fault-correcting or safety devices in elevators
G01D 5/26 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light
A safety apparatus for elevator apparatuses which can move a cab via a drive including a monitoring unit for monitoring at least one of the drive and/or the motor regulation system of the drive, a safety device having at least two sensors, which can be switched between at least two switching states depending on a state, in particular a closing state. In order to be able to reduce operating costs, at least one of the safety device and the monitoring unit includes a controller, which is designed to identify the respective switching states of the sensors, and to transmit at least one of data and monitoring signals to the monitoring unit.
A device for monitoring a machine movement of a movable constructional element includes a detecting device and a control device. The detection device comprises at least one transmission unit which transmits a signal, and a reception unit which receives the signal. The control device comprises an evaluation unit which evaluates the signal received at the reception unit. The control device allows the machine movement upon a receipt of the signal at the reception unit, and to output a first triggering pulse to stop the machine movement in an absence of the signal at the reception unit. The evaluation unit comprises a first threshold value measuring unit to detect a signal strength of the signal received at the reception unit and which, upon detection that a predetermined threshold value of a signal strength is fallen short of, outputs a second triggering pulse to stop the machine movement.
E05F 15/74 - Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects using photoelectric cells
E05F 15/78 - Power-operated mechanisms for wings with automatic actuation using wireless control using light beams
E05F 15/79 - Power-operated mechanisms for wings with automatic actuation using time control
G01V 8/12 - Detecting, e.g. by using light barriers using one transmitter and one receiver
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
F16P 3/02 - Screens or other safety members moving in synchronism with members which move to and fro
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
E05F 15/73 - Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
38.
CODING DEVICE AND POSITION DETERMINING DEVICE AND METHOD
In order to increase safety, a computer-implemented method for determining the position of an elevator car in an elevator shaft using a coding device is proposed, wherein a section of a code strip (2) and/or of the bearing device is recorded by an optical detection device (1) as a pixel image (K) composed of pixels and the time of recording is measured and is assigned to the pixel image, wherein the position can be determined analytically from position markers of the code strip by means of an algorithm, and wherein at least one checking method is carried out which use(s) inter alia a calculated extrapolated position.
The invention relates to a computer-implemented method for determining the position of an elevator cab in an elevator shaft, which method enables an increased level of safety, comprising image processing by optically recording a section of the code strip and at least one section of a marking device, which is attached to the elevator shaft, in order to create a pixel image (K) consisting of pixels, and comprising position pattern analysis by identifying code markings (5, 6) from the pixel image, by identifying a position pattern from the code markings, by converting the position pattern into binary code, and by decoding the binary code into a position, and comprising reference marking analysis by reading out at least one line of the pixel image or code markings in the region for code markings to be expected, by converting the read-out pixels or groups of adjacent pixels into respective numeric codes, in particular into respective grayscale values, by comparing the numeric codes or sums of the numeric codes with a threshold value, and by identifying a reference marking in dependence on the comparison.
The invention relates to a computer-implemented method for determining the position of an elevator cab in an elevator shaft by means of a coding device, which coding device comprises a code strip (2) as a marking, in order to increase safety. The position is determined analytically by means of an algorithm on the basis of the code (4) of the marking, wherein an extrapolated position is determined from stored positions and the time of the recording and in turn a coding pattern to be compared is calculated with respect to the recording by reversing the algorithm.
To increase safety, a computer-implemented method for determining the position of a lift car in a lift shaft using a coding apparatus is proposed, wherein a section of the code tape (2) or of the bearing apparatus (7, 8) is recorded with an optical detection apparatus as a pixel image comprising pixels that is larger than the position marker, the pixel image is conditioned, the binary code is decoded by means of an algorithm and converted into a position statement, a checksum test on the position marker is performed, which is used to check the position marker for plausibility by forming a checksum using the binary code or the greyscale values of the position marker and comparing it with a prescribed value, a barcode or 2D code that corresponds to the at least one row that has also been recorded outside the position marker is computed from the decoded position statement using the reversal of the algorithm, and said computed barcode and/or 2D code is compared with the at least one recorded row.
In order to increase safety, a computer-implemented method is proposed for determining the position of a lift cabin in a lift shaft with the aid of a coding device, in which method a section of a code band and/or of the bearing device is/are recorded with an optical detection device as a pixel image consisting of pixels, a reference marking analysis is carried out, the pixel image is processed, in particular is assigned to a detection grid, pixels of the pixel image are preferably combined with the aid of their color and/or position in order to be able to read out the barcode and/or 2D code of the marking, the barcode and/or 2D code is converted to a binary code, the binary code is decoded by means of an algorithm and is converted into a position indication and/or into information as to whether a bearing device has been detected.
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
A measurement tape is proposed for determining the position of a cab in an elevator shaft, wherein the measurement tape is situated vertically in the elevator shaft, and extends over at least two floors, and wherein the measurement tape includes a marking unit for marking at least two positions in the elevator shaft, wherein the marking unit runs along the length of the measurement tape. In order to improve servicing, the measurement tape includes a carrier tape and has a transmission device for transmitting information, wherein the transmission device includes at least one communication line for transmitting an information signal and/or at least one supply line for supplying power, and the at least one communication line/supply lines runs along the length of the measurement tape, wherein the communication line is designed as an electrical line for transmitting an electrical signal or as a fiberglass line for transmitting an optical signal.
G01D 5/347 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
H04B 3/60 - Systems for communication between relatively movable stations, e.g. for communication with lift
44.
Connecting device for measurement tapes in elevator devices
With regard to the effect of a settling building, a connecting device for connecting a transmission device for transmitting information, wherein the transmission device is attached to a measurement tape for determining the position of a cab in an elevator shaft, wherein the connecting device is designed as a guide bracket for guiding and/or supporting the measurement tape, so that it at least partially surrounds the measurement tape, and wherein the guide bracket has at least one opening for reading out the marking unit, and wherein the connecting device has at least one connection contact for connecting to one of the communication lines and/or supply lines, wherein the at least one connection contact is movably supported in the connecting device.
B66B 1/34 - Control systems of elevators in general Details
G01D 5/347 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
G01R 31/02 - Testing of electric apparatus, lines, or components for short-circuits, discontinuities, leakage, or incorrect line connection
45.
Connecting device for measurement tapes in elevator devices
In order to be able to increase safety in elevator systems, a connecting device for connecting a transmission device for transmitting information is provided, wherein the transmission device is attached to a measurement tape for determining the position of a cab in an elevator shaft and wherein the connecting device is designed as a guide bracket for guiding and/or supporting the measurement tape, so that the guide bracket at least partially surrounds the measurement tape, and wherein the guide bracket has at least one opening for reading out the marking unit, and wherein the connecting device has two connection contacts for connecting to one of the communication lines and/or supply lines and an interruption device for interrupting one of the communication lines and/or supply lines, wherein the interruption device is situated in such a way that the interruption occurs between the two connection contacts.
A moving device including a driven conveyor, a control device for controlling the speed of the conveyor and a start-up sensor, which monitors a monitoring region in front of the moving device and outputs a start-up signal to the control device upon detecting an object, wherein, upon a provided start-up signal, the control device sets into motion or accelerates the moving device. The start-up sensor is a TOF sensor having (i) a light source for emitting modulated light, (ii) at least one receiving sensor for receiving light from the light source that is reflected at the object, and (iii) an evaluation electronic system configured for detecting, from the comparison of emitted and received light, the distance of the object from the TOF sensor and the position of the object in the space in front of the moving device.
An elevator installation with an elevator cab in an elevator shaft and a measurement tape for determining the position of the elevator cab within the elevator shaft, which measurement tape is arranged vertically in the elevator shaft and has a code along the measurement tape, and at least one marking element which is attached in the elevator shaft and has a reference marking, and a sensor apparatus which is attached to the elevator cab and includes an illumination source and a sensor, which form a detection field for detecting the measurement tape and with an evaluation apparatus. The reference marking is arranged such that it can be captured by the detection field and the sensor apparatus is also provided for detecting the reference marking and the evaluation apparatus aligns the position determined by the measurement tape with the reference marking.
Monitoring apparatus for monitoring a movement element pivoted between open and closed states of an opening to be closed, the apparatus having a sensor for detecting an object and for monitoring a spatial angle originating at or near the rotation axis. The sensor is fitted at or near the rotation axis and includes a transmitter and receiver for transmitting and receiving radiation within the spatial angle. The sensor emits detection signals generated by the receiver when radiation is detected. The monitoring apparatus includes an evaluation unit that evaluates the detection signals depending on the angular position of the detected radiation in the spatial angle and determines whether an object has been detected and/or the position of the detected object. The evaluation unit draws a distinction between the movement element and an object depending on the current angular position of the movement element.
A safety apparatus for elevator apparatuses which can move a cab via a drive including a monitoring unit for monitoring at least one of the drive and/or the motor regulation system of the drive, a safety device having at least two sensors, which can be switched between at least two switching states depending on a state, in particular a closing state. In order to be able to reduce operating costs, at least one of the safety device and the monitoring unit includes a controller, which is designed to identify the respective switching states of the sensors, and to transmit at least one of data and monitoring signals to the monitoring unit.
Safety apparatus for elevator apparatuses which can move a cab via a drive, wherein the drive can be monitored via a monitoring unit for monitoring the drive, including: a first safety circuit, which has a closed conduction state and an open conduction state, with an interruption apparatus for interrupting the drive depending on the conduction state of the first safety circuit, a safety device, which includes at least two sensors, which can be switched between at least two switching states depending on a state to be detected by the sensors. To provide improved maintenance, a switching unit is provided, which can be switched between at least two switching states by connection to the safety device and is designed to effect the closed and/or open conduction state of the first safety circuit, wherein the switching unit includes a transmission device for transmitting data and/or monitoring signals to the monitoring unit.
A safety device for safeguarding a movable, guided movement element against undesired collisions with an object situated on a movement path of the movement element, said device comprising at least two sensors for detecting the object and the movement element and for outputting signals depending on the detection, and also having an evaluation unit for evaluating signals of the sensors and for generating a switch-off signal on the basis of the evaluation. For improved recognition of a risk of collision, the evaluation unit is designed to acquire from the at least two sensors a currently detected state vector from a set of state vectors which unambiguously comprise all possible combinations of the signals of the sensors, and to generate the switch-off signal in the case of predetermined state vectors.
G08B 1/00 - Systems for signalling characterised solely by the form of transmission of the signal
E06B 9/88 - Safety measures against dropping or unauthorised openingBraking or immobilising devicesDevices for limiting unrolling automatic for limiting unrolling
G08B 23/00 - Alarms responsive to unspecified undesired or abnormal conditions
G08B 13/18 - Actuation by interference with heat, light, or radiation of shorter wavelengthActuation by intruding sources of heat, light, or radiation of shorter wavelength
H01J 40/14 - Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
E06B 3/00 - Window sashes, door leaves, or like elements for closing openingsLayout of fixed or moving closures, e.g. windowsFeatures of rigidly-mounted outer frames relating to the mounting of wing frames
E06B 9/68 - Operating devices or mechanisms, e.g. with electric drive
A safety system for safeguarding a moving, guided motion element against unwanted collisions with an object located on a motion path in the direction of motion of the motion element, including an object-detection device that includes a plurality of parts for detecting an object in an area of the motion element, wherein the object-detection device can be blocked with respect to object detection by a motion of the motion element, and an electronic unit that controls the motion of the motion element and is configured to assign a blocked state to the object-detection device when the motion element approaches, wherein in the blocked state an object and motion element does not trigger a safety mode, and wherein shut-off means are provided which, when a shut-off signal coming from the motion element is detected, transfer one or more parts of the object-detection device into the blocked state.
A sensor for safety apparatuses for elevator apparatuses which can move a cab by means of a drive, the sensor including a contact bridge and a contact receptacle for receiving the contact bridge, said contact bridge being arranged in such a way that the closing state of the elevator door can be determined by connection of the contact receptacle and the contact bridge. In order to be able to improve in particular the susceptibility to maintenance, the sensor is in the form of an optical sensor which comprises a transmitter for transmitting an optical signal and a receiver for receiving the optical signal, the transmitter and the receiver being arranged on the contact receptacle and the contact bridge comprising at least one transmission element for transmitting the optical signal.
A switching device including at least one sensor for detection purposes which can be switched between at least two switching states depending on the detection. In order to enable improved detection of the switching states, a switching unit is provided, the switching unit and the at least one sensor each having a communication unit for communicating with one another, and it being possible for the switching unit to be switched depending on the at least one sensor.
A safety apparatus for elevator apparatuses which can move a cab by way of a drive, including: a first safety circuit, which has a closed conduction state and an open conduction state, with an interrupting apparatus for interrupting the drive depending on the conduction state of the first safety circuit, a safety device, which includes at least two sensors, which can be switched between at least two switching states depending on the closing state of the elevator door. In order to be able to improve the susceptibility to maintenance, a switching unit is provided which can be switched between at least two switching states by connection to the safety device and is designed to effect the closed and/or open conduction state of the first safety circuit.
An elevator apparatus including a position determination apparatus for determining the position of an elevator car inside an elevator shaft, the position determining apparatus including a marking unit for marking a position of the elevator car, and a detection unit for detecting the marking unit, the marking unit being arranged on one of the shaft doors and the detection unit being arranged on the associated car door or vice versa for the purpose of improved installation.
An elevator device for transporting persons and/or objects within an elevator shaft of a three-dimensional formation including at least two levels, in particular a building or the like. The elevator device includes an elevator car, in which the persons and/or objects to be transported can be accommodated, a running framework for mounting and guiding the elevator car, a position determining device for determining the position of the elevator car within the elevator shaft and/or with respect to the running framework. The position determining device includes marking units for marking the position of the elevator car relative to the running framework and the elevator shaft, a detection unit for detecting and/or reading out the marking units and also an evaluation unit for evaluating the measured values of the detection unit. The marking units are formed as carriers of a barcode, in particular a 2-D code, and the detection unit is formed as an image sensor, in particular as a camera.
A device for controlling a driven movement element with an electronic unit is proposed, which comprises a transmitter for electromagnetic radiation, for example, light, in particular infrared light, and a receiver for electromagnetic radiation emitted by a transmitter for the detection of objects on a propagation path between transmitter and receiver. According to the invention, the electronic unit is designed to detect a temporal change in at least one feature derived from the received electromagnetic radiation and, upon a detection of a change in the at least one feature that is comparatively slow over time, to output a signal that is associated with a detection of smoke.
A sensor device is proposed for monitoring a mobile moving element, guided in a guide, with respect to undesired collisions of the moving element with an object which is located in a monitoring range, having at least two sensors for sensing the object, wherein the sensors comprise a transmitter and a receiver for emitting and receiving electromagnetic rays, wherein the sensors are arranged one next to the other in such a way that they can be mounted parallel to the guide, and the sensors are also oriented in such a way that the rays emitted by them penetrate the monitoring range. In order to enable improved obstacle recognition, the sensors are embodied as distance sensors for determining the distance from the object. In addition, a safety device, a door and a method for monitoring the movement are proposed.
G01S 17/08 - Systems determining position data of a target for measuring distance only
E06B 9/88 - Safety measures against dropping or unauthorised openingBraking or immobilising devicesDevices for limiting unrolling automatic for limiting unrolling
E06B 9/68 - Operating devices or mechanisms, e.g. with electric drive
An apparatus for monitoring a door with a 3D sensor which is able to detect distances to an object in the monitoring area as the third dimension, the 3D sensor being arranged in a housing, and immovably arranged transmission means for transmitting a measurement beam and receiver means for receiving a reflected measurement beam being provided in the housing, characterized in that provision is made of a control unit which is designed to obtain an item of information relating to the position of the apparatus, and in that the control unit evaluates the measurement beam on the basis of an item of position information.
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
G01B 21/16 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance or clearance between spaced objects
G01C 3/00 - Measuring distances in line of sightOptical rangefinders
F16M 11/06 - Means for attachment of apparatusMeans allowing adjustment of the apparatus relatively to the stand allowing pivoting
F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
G01S 7/481 - Constructional features, e.g. arrangements of optical elements
G01S 17/02 - Systems using the reflection of electromagnetic waves other than radio waves
G01S 17/88 - Lidar systems, specially adapted for specific applications
E05F 15/20 - controlled by automatically-acting means, e.g. by photocells, by electric waves, by thermostats, by rain, by fire
A monitoring sensor for detecting a test signal from an external signal generator at an input for receiving signals, to switch the monitoring sensor from a passive state to an active state when a signal is detected, to switch the monitoring sensor to a test state after a test period “t2” has expired, to change an output signal from an output of the monitoring sensor after an activation period “t3” has expired, this change in the output signal corresponding to a signal which arises when the monitoring sensor triggers a switching operation after an object has been detected, to convert the output signal to the initial state again after the withdrawal of the test signal has been detected, and to provide this renewed signal change as the signal for an external signal generator, the monitoring sensor changing to the monitoring state after this signal sequence.
G06F 19/00 - Digital computing or data processing equipment or methods, specially adapted for specific applications (specially adapted for specific functions G06F 17/00;data processing systems or methods specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes G06Q;healthcare informatics G16H)
A 3-D sensor for controlling a control process comprising a light source that includes at least one illumination source, a reception matrix for receiving a complete image of light reflected from areas from a spatial section, an evaluation device for determining the distance between the areas and the reception matrix, and a supervisory device for recognizing an object, in which the light source illuminates a partial region of the spatial section which has at least one interspace.
A monitoring device for safeguarding a driven element against undesired collisions with an object lying on the movement path of the driven element including at least one transmitting element and a multiplicity of receiving elements, wherein the at least one transmitting element is arranged in a horizontal boundary region of an opening to be monitored, where the opening can be at least partially closed by the driven element, and the multiplicity of receiving elements are arranged in a horizontal, opposite boundary region in a distributed fashion along the opening to be monitored, wherein the at least one transmitting element, together with each of the multiplicity of receiving elements forms a light barrier arrangement, which can be evaluated individually.
A sensor apparatus comprising a distance sensor comprising a transmitting device having at least one transmitter with a light source, and a receiving device having at least one receiver, and an electronic unit. The electronic unit being designed to emit light by means of the transmitter and to determine a distance which is covered by light emitted by the transmitter from a reflection surface of an object in a monitored area to the respective receiver. According to the invention, light guide means for transmission of light are arranged between the transmitting device and the monitored area and/or between the monitored area and the receiving device. The light guide means reflects the light at least once so that light can pass from the transmitting device to the monitored area and/or from the monitored area to the receiving device on an angled path.
A door system includes a sensor device for monitoring a vertical door edge. The sensor device has a transmitter that generates a light beam that runs along the vertical door edge, and a receiver to receive the light emitted by the transmitter. Further, an element of the sensor device is mounted in a region of a base of the door, with the sensor element being either in or on the base in front of the vertical door edge.
A sensor for monitoring a monitored area, having a transmitting unit which emits radiation, wherein the sensor is capable of detecting objects in the monitored area. According to the invention, the sensor comprises means, using which the instantaneous and/or average power per unit area applied to a detected object of energy incident on the object, such as electromagnetic radiation of the transmitting unit, can be determined. In addition, adaptation means are provided in order to not let the instantaneous and/or average power per unit area of energy incident on the object, such as electromagnetic radiation of the transmitting unit, exceed a predetermined value during the detection of an object in the monitored area, the sensor being configured to first measure whether objects are located in a predetermined proximal area to the transmitter unit using a comparatively low power which can create no or no noticeable hazard potential for people.
H01J 40/00 - Photoelectric discharge tubes not involving the ionisation of a gas
G01J 1/32 - Photometry, e.g. photographic exposure meter by comparison with reference light or electric value intensity of the measured or reference value being varied to equalise their effects at the detector, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors adapted for automatic variation of the measured or reference value
G01S 17/02 - Systems using the reflection of electromagnetic waves other than radio waves
A device for controlling a driven movement element with an electronic unit is proposed, which comprises a transmitter for electromagnetic radiation, for example, light, in particular infrared light, and a receiver for electromagnetic radiation emitted by a transmitter for the detection of objects on a propagation path between transmitter and receiver. According to the invention, the electronic unit is designed to detect a temporal change in at least one feature derived from the received electromagnetic radiation and, upon a detection of a change in the at least one feature that is comparatively slow over time, to output a signal that is associated with a detection of smoke.
A sensor device (17) having a distance sensor, consisting of a transmitting device (2) having at least one transmitter with a light source and a receiving device (3) having at least one receiver and an electronic unit, is proposed, wherein the electronic unit is designed to transmit light via the transmitter and to determine a distance traveled by the light transmitted by the transmitter from a reflection surface of an object in a monitored area to the respective receiver. According to the invention, light guide means (18 to 23) for transmitting light are arranged between the transmitting device (2) and the monitored area and/or between the monitored area and the receiving device (3), wherein the light guide means reflect the light at least once, so that light can travel from the transmitting device (2) to the monitored area and/or from the monitored area to the receiving device on an angled path.
A safety apparatus for monitoring a monitoring area (10) in which, for example, an installation (2, 3, 4) is active which can present a risk to people is proposed, in which monitoring means are provided which shut down the installation (2, 3, 4) as soon as a person enters the monitoring area (10). The invention provides a counting apparatus which detects the number of people entering and leaving the monitoring area (10) exclusively at a boundary of the monitoring area. Furthermore, control means are provided which are connected to the counting apparatus and allow the installation in the monitoring area (10) to be switched on again only when the number of people who have left the monitoring area (10), as determined by the counting apparatus, is the same as the number of people who have entered the monitoring area (10). The invention also proposes a method for monitoring a monitoring area.
G08B 13/18 - Actuation by interference with heat, light, or radiation of shorter wavelengthActuation by intruding sources of heat, light, or radiation of shorter wavelength
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
A device is proposed, with a label for the device, wherein image information, in particular information about the device, is provided in the label, wherein the label comprises a display unit with a display area in which by electronic means image information can be written in the display area in a manner visible for a user, wherein the written image information will remain on the display area even when the display unit is in a powerless state, and wherein the image information in the display area can be replaced by other image information by electronic means, and with a control unit to control the device. According to the invention, the control unit is provided for electronic writing and/or replacement of image information in the display area. Furthermore, the control unit is designed to display in the display area at least one status feature regarding the control unit's own mode of operation and/or information which reflects this mode of operation, in particular how a user can use the device based on this mode of operation.
A safety switch device for switching a power supply for a load on and off, having at least one driveable switching element, in particular a relay, and a safety circuit for checking a switching state of the switching element. The switching element is in the form of a changeover switch in such a manner that a first contact is electrically connected to either a second contact or a third contact by means of a switching operation. A method for operating a safety switch device is also provided.
H02H 3/20 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess voltage
H02H 9/04 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
H01H 9/54 - Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
H01H 33/59 - Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the AC cycle
The invention is directed to a sensor for monitoring a monitoring area having a transmitting unit, which emits radiation, in particular electromagnetic radiation having a radiation output, or another wave, such as sound waves, wherein said sensor is capable of detecting objects in said monitoring area. According to the invention, the sensor comprises means, using which the instantaneous and/or average power per unit area applied to a detected object of energy incident on the object, such as electromagnetic radiation of the transmitting unit, can be determined. In addition, adaptation means are provided, in order to not let the instantaneous and/or average power per unit area of energy incident on the object, such as electromagnetic radiation of the transmitting unit, exceed a predetermined value during the detection of an object in the monitoring area, wherein said sensor is implemented to first measure whether objects are located in a predetermined proximal area to the transmitting unit using a comparatively low power, which can create no or no noticeable hazard potential for persons.
A safety system (1) for safeguarding a moving, guided motion element (4) against unwanted collisions with an object lying on a motion path in the direction of motion (11) of the motion element (4) is proposed, which comprises an object-detection mechanism for locating an object in a region of the motion element (4), wherein said mechanism can be blocked for object recognition by a motion of the motion element (4), and an electronic unit by which the motion of the motion element (4) can be controlled and which is designed to associate a blocked state with the object-detection mechanism when the motion element (4) approaches, an object or motion element triggering no safety mode in said blocked state, wherein shut-off means are provided which transfer at least part of the object-detection mechanism to the blocked state on detection of a shut-off signal coming from the motion element (4). According to the invention, the shut-off means comprise a transmission element for a shut-off signal, which either sits directly on the motion element or which is attuned to a separate optical reflector on the motion element (4) such that a signal of the transmission element can be received by a receiver of the shut-off means only in a pre-defined area of motion of the reflector on the motion element (4).
E06B 9/88 - Safety measures against dropping or unauthorised openingBraking or immobilising devicesDevices for limiting unrolling automatic for limiting unrolling
74.
SYSTEM FOR FIXING AN OBJECT IN ON A MONITORING SURFACE
The invention relates to a system (1) for fixing an object on a monitoring surface, having a plurality of sensors (4, 5) comprising a transmitter (4) and a receiver (5), and an electronic device (3) for evaluating the receivers (5). According to the invention, the electronic device (3) is capable of allocating a response address to a transmitter (4) and/or to a receiver (5), wherein an address allocation is carried out in such a manner that an association of receivers (5) to transmitters (4) is enabled after an address allocation.
The invention relates to a device (1, 101) for controlling a driven movement element having an electronic unit, comprising a transmitter (2, 102) for electromagnetic radiation, such as light, particularly infrared light, and a receiver (4, 104) for electromagnetic radiation transmitted by the transmitter for the detection of objects (9, 109) on a propagation path between the transmitter (2, 102) and the receiver (4, 104). According to the invention, the electronic unit is configured to detect a chronological change of at least one characteristic deflected by the electromagnetic radiation (5, 105, 105', 105', 105'') received, and to output a signal upon a detection of a change that is comparatively slow over time of the at least one characteristic, which is associated with a detection of smoke (6, 106).
The invention proposes a sensor array having a plurality of sensor devices comprising a source of electromagnetic radiation, a receiver for the electromagnetic radiation and a control device, the control device being designed to use the source to emit electromagnetic radiation and being designed to determine a distance covered by electromagnetic radiation, which is emitted by the source, from a reflection surface of an object to the receiver by evaluating the reflected radiation. According to the invention, the sensor devices of the plurality of sensor devices operate at different frequencies or using time-division multiplexing. The invention also proposes a sensor device for a sensor array, the control device being designed to measure the distance at different frequencies or using time-division multiplexing.
G01B 11/14 - Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
77.
SENSOR DEVICE AND SYSTEM HAVING A CONVEYOR AND A SENSOR DEVICE
The invention relates to a sensor device having a sensor arrangement (1, 1', 1'') for the detection of moving objects (7, 8), comprising sensor means and an electronic unit. According to the invention the sensor arrangement (1) is configured to detect an object (7, 8) and to subsequently examine whether regions are present within the surface (7a) of the object (7, 8) that move at a different speed and/or acceleration. The invention further provides that the object is examined with respect to whether it accelerates.
A sensor device including a source for electromagnetic radiation, a plurality of receivers for the electromagnetic radiation, and an electronics unit designed to transmit electromagnetic radiation by means of the source and to determine a distance which the electromagnetic radiation emitted from the source travels from the reflection surface of an object to respective receivers by evaluation of the delay time of the electromagnetic radiation and/or the phase of an oscillation modulated on to the electromagnetic radiation. The electronics unit for the detection of reflective objects, which are like floating parts and are distributed in three dimensions in a medium, is able to determine from the measured distances a first group of distances which fit a predetermined distribution, and, if there is more than one group member, to emit a signal which is associated with the detection of reflective objects which are like floating parts.
The invention proposes a safety switch device for switching a power supply to a load on and off with at least one driveable switching element (1, 2, 21, 22), in particular a relay and a safety circuit (103, 104) for checking a switching state of the switching element. According to the invention, the switching element (1, 2, 21, 22) is in the form of a changeover switch in such a way that a first contact (1c, 2c) is electrically connected, by means of a switching operation, either to a second contact (1b, 2b) or a third contact (1a, 2a). In addition, the invention proposes a method for operating a safety switch device.
H01H 47/00 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
80.
Device for controlling a driven moving element, for example, a door
A device for controlling a driven moving element including an electronic unit with an object sensor. According to the invention, the electronic unit is designed, by means of the object sensor, to determine an object distance between the driven moving element and an object in the region of the moving element and to control the movement of the moving element depending on said object distance.
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
Goods & Services
(1) Electronic and opto-electronic apparatus and instruments, namely: electronic and opto-electronic controllers, meters, heat sensors, motion detectors, noise-activated alarms, timing regulators and inspection monitors for safeguarding and surveillance of areas, or of dangerous sites, light curtains for use with industrial equipment, for use with robot cells, for use with production lines and conveyor systems, for use in access and entry control, for use in area monitoring, for use with elevator doors, for use with automatic doors, and for use in the security of valuables, camera sensors for elevators, proximity sensors, timing sensors, speed monitoring sensors, sensors for safeguarding elevator car tops and pits, relay modules for switching higher voltages and/or larger currents on sensors with semi-conductor outputs, universal power supply (UPS) units, sensors for doors, gates, elevators, escalators and travelators, sensors for spot or field monitoring for entry control, and software for configuring safety and automation products and for diagnosis thereof; light-beam or laser projectors creating security light barriers in the infra-red, visible or ultraviolet spectrum; object detectors for automatic detection of objects in a predetermined space; inspection scanners for automatic inspection of materials or objects with respect to their dimensions and/or to their surface quality; hand-held electronic detectors for detection of the position, orientation and shape of objects; opto-electronic sensors and component parts of any of the foregoing. (1) Assembly, installation, sizing, maintenance and repair of electronic and optoelectronic security apparatus and devices, particularly light curtains and other sensors and component parts and accessories thereof.
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
Goods & Services
Electronic and optoelectronic apparatus and instruments,
electronic and optoelectronic controlling, measuring,
regulating and testing apparatus, particularly safeguarding
and surveillance apparatus for rooms and dangerous areas;
light curtains with a spectral range of infrared, visible or
ultraviolet light; apparatus for the automatic detection of
objects in a predetermined area and for the automatic
examination of materials or objects according to their
dimensions or surface quality; optoelectronic sensors;
apparatus for detecting the position, location and shape of
objects. Assembly, installation, sizing, maintenance and repair of
electronic and optoelectronic security apparatus and
devices, particularly light curtains and other sensors and
component parts and accessories thereof.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Signaling, checking (supervision) apparatus and instruments,
electric and electrooptical contact or contactless
protection means for securing edges, surfaces and spaces, in
particular switch bars and switch mats; electric pressure
wave switches; electronic and electric transducers and
meters, in particular electrooptical angular encoders,
electrooptical shaft encoders, electronic path measuring
systems, electronic inclination sensors; electronic and
electric controls, electric transformers and electric
connecting cables for the above goods. Technical project planning and elaboration of technical
expertise in the field of security sensor systems and
transducers.
09 - Scientific and electric apparatus and instruments
Goods & Services
electric and electronic instruments and component parts for signaling and checking safety sensor systems, namely, safety edges, wire or wireless safety alarms; electronic switch bars and switch mats; electric pressure wave switches; electronic and electric transducers and meters, namely, rotary and linear position encoders, electronic shaft encoders; electronic inclination sensors; electronic and electric controls, namely, fieldbus interfaces, position controllers, safety signal controllers, electronic safety relays, electronic displays; electric transformers and electric connecting cables for the above goods
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
Goods & Services
Electronic and opto-electronic apparatus and instruments, namely, electronic and opto-electronic controllers, meters, heat sensors, motion detectors, [ and noise-activated alarms, ] timing regulators and inspection monitors for safeguarding and surveillance of areas, or of dangerous sites; light-beam or laser projectors creating security light barriers in the infra-red, visible or ultraviolet spectrum; object detectors for automatic detection of objects in a predetermined space; inspection scanners for automatic inspection of materials or objects with respect to their dimensions and/or to their surface quality; hand-held electronic detectors for detection of the position, orientation and shape of objects; opto-electronic sensors, and component parts of any of the foregoing installation, maintenance and repair of electronic and opto-electronic apparatus and security devices, in particular of light barriers and of other sensors, as well as of their components and accessories
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
Goods & Services
Electronic and opto-electronic apparatus and instruments, electronic and opto-electronic control-, measurement-, regulating- and inspection apparatus, in particular apparatus for the safegard and surveillance of areas or of dangerous sites; light barriers working in the infra-red, visible or ultraviolet spectrum; apparatus for the automatic detection of objects in a predetermined space and for the automatic inspection of materials or objects with respect to their dimensions or to their surface quality; opto-electronic sensors; apparatus for the detection of the position, orientation and shape of objects. Assembly, installation, calibration, maintenance and repair of electronic and opto-electronic apparatus and security devices, in particular of light barriers and of other sensors as wells as of their components and accessories.
