HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Cheng, Wei
Chen, Gang
Du, Huiran
Zhong, Zhaofeng
Tang, Qiwei
Liu, Xianzhao
Abrégé
A detection system, a lifting device control method, a lifting device, and a storage medium, applied to an elevator. The detection system comprises a controller, and a first sensor (21) and a second sensor (22) which are connected to the controller; the optical axis of the first sensor (21) faces a car area, the optical axis of the second sensor (22) faces an area outside an elevator hall, and a combination of the two sensors can simultaneously detect the area outside the hall and the area in the car.
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Zhang, Yunpai
Zhong, Zhaofeng
Cheng, Wei
Chen, Gang
Tang, Qiwei
Du, Huiran
Liu, Xianzhao
Abrégé
A car door structure and an elevator. The car door structure comprises a car door body (2) and a monitoring assembly (5), wherein the monitoring assembly (5) is adjacent to the car door body (2), and comprises a first sensor (51) and a second sensor (52); a transmitter-receiver of the first sensor (51) faces the outside of a car (1) of an elevator; a transmitter-receiver of the second sensor (52) faces the inside of the car (1); and a monitoring area of the first sensor (51) partially overlaps a monitoring area of the second sensor (52).
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Du, Huiran
Tang, Qiwei
Chen, Tao
Zhong, Zhaofeng
Abrégé
A light curtain accidental touch detection method and apparatus, an electronic device, and a storage medium. The method comprises: during closing of an elevator door, when it is detected that at least a part of a passenger blocks a light curtain, calculating a blocking duration of the at least a part blocking the light curtain, and acquiring an image acquired by an image sensor (S101); according to the image, identifying whether a movement trend of the passenger is moving toward the elevator door (S102); if the movement trend of the passenger is not moving toward the elevator door, acquiring the position of an intrusion part of the passenger in the light curtain (S103); acquiring motion data of the elevator door, and calculating a collision duration between the elevator door and the intrusion part according to the motion data and the position of the intrusion part (S104); and when the collision duration is greater than a preset safety duration threshold and the blocking duration is less than a preset blocking duration threshold, determining that the passenger accidentally touches the light curtain (S105).
B66B 13/26 - Dispositifs de sécurité dans les ascenseurs pour passagers, non prévus ailleurs, pour empêcher les passagers de se faire coincer par la fermeture des portes
B66B 5/00 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs
4.
OBJECT BEHAVIOR DETECTION METHOD AND APPARATUS, ELECTRONIC DEVICE AND STORAGE MEDIUM
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Cheng, Wei
Sun, Rui
Du, Huiran
Tang, Qiwei
Zhong, Zhaofeng
Chen, Gang
Abrégé
Disclosed in the present disclosure are an object behavior detection method and apparatus, an electronic device and a storage medium. The method comprises: in response to an elevator car arriving at a destination floor and an elevator door being opened, collecting an image of a detection area, the detection area comprising the elevator car; performing object detection and tracking on the image to determine state information and a motion trend of an object in the elevator car; in response to the motion trend of the object being close to the elevator door, judging whether the motion trend of the object is a detection interference item according to the state information; and, in response to the motion trend of the object being not the detection interference item, determining that the behavior intention of the object is to leave the elevator car.
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Liu, Xianzhao
Cheng, Wei
Chen, Gang
Abrégé
An elevator door control system and method, an electronic device, and a storage medium. The elevator door control system comprises a main control board, a door machine board, and a sensor. The sensor is communicationally connected to the door machine board and the main control board, respectively. The main control board is further communicationally connected to the door machine board. The sensor is configured to collect sensing data, and when detecting, according to the sensing data, that a preset accident occurs in an elevator, send a first elevator door control signal to the door machine board, and send the collected sensing data to the main control board. The door machine board is configured to control, when receiving the first elevator door control signal, an elevator door of the elevator to stop action. The main control board is configured to determine, when receiving the sensing data and according to the sensing data, a target action after the elevator door stops action, generate a second elevator door control signal and send the second elevator door control signal to the door machine board. The door machine board is further configured to control, when receiving the second elevator door control signal, the elevator door to execute the target action.
B66B 1/28 - Systèmes de commande à régulation, c.-à-d. avec action rétroactive, permettant d'agir sur la vitesse de déplacement, l'accélération ou la décélération électriques
B66B 5/00 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs
6.
DANGEROUS PASSENGER BEHAVIOR DETECTION METHOD AND APPARATUS, AND ELECTRONIC DEVICE AND STORAGE MEDIUM
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Chen, Gang
Cheng, Wei
Du, Huiran
Zhong, Zhaofeng
Tang, Qiwei
Liu, Xianzhao
Abrégé
A dangerous passenger behavior detection method and apparatus, and an electronic device and a storage medium. The detection method comprises: when it is detected that an elevator door is in a closed state, collecting an image of the inside of an elevator car by means of a sensor, and determining a door proximity area from the image (S101); determining a passenger area from the door proximity area, and determining the position of the passenger area in the door proximity area (S102); calculating the occupancy of the passenger area in the door proximity area according to the position (S103); when the occupancy is greater than a preset occupancy threshold value, determining that there is a passenger leaning against the elevator door in the elevator car (S104); when a door opening instruction is received, determining, according to the position, a target hand clamping risk area to which the passenger area belongs among at least two hand clamping risk areas in the door proximity area (S105); and controlling the elevator door according to the target hand clamping risk area (S106).
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Cheng, Wei
Sun, Rui
Zhong, Zhaofeng
Tang, Qiwei
Du, Huiran
Chen, Gang
Liu, Xianzhao
Abrégé
A signal priority determination method and apparatus, an electronic device, and a storage medium. The signal priority determination method comprises: acquiring an image of an area under detection, the area under detection comprising an out-of-hall area and a car area of an elevator; according to the image, determining object information of objects using the elevator in the area under detection, wherein the object information comprises the number of in-car objects and the types of objects in the car area; and determining the priorities of a door opening signal and a door closing signal of doors of the elevator according to the object information. When the priorities of the door opening signal and the door closing signal are determined, the door closing signal can be preferentially responded when the number of in-car objects reaches the maximum allowed load, so that the operation efficiency of an elevator system is improved. Additionally, the full load degree of a car can be determined according to the types of the objects in the car area, and when different types of objects are present in the car, different full load degrees of the car can be obtained, so that the determination of the full load degree of the car is more rational, and the processing of the priorities of the door opening signal and the door closing signal is more rational.
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Chen, Gang
Liu, Xianzhao
Tang, Qiwei
Zhong, Zhaofeng
Guo, Weiwen
Abrégé
Disclosed in the present application are a radar ranging method and apparatus, and a device and a storage medium. The method comprises: controlling a radar to emit electromagnetic wave signals to a plurality of reflectors and to receive a first echo signal that is reflected by means of a hoistway; converting the first echo signal into a first spectrogram; extracting, from the first echo signal, a first feature which is presented by a first target object and a second target object in terms of distribution; matching the first feature with a second feature, which is obtained by means of pre-learning the first target object and the second target object in terms of distribution; and if the matching is successful, extracting, as the position of a lift car in the hoistway, the distance between the radar and the first target object, which distance is labeled for the second feature.
G01S 13/34 - Systèmes pour mesurer la distance uniquement utilisant la transmission d'ondes continues, soit modulées en amplitude, en fréquence ou en phase, soit non modulées utilisant la transmission d'ondes continues modulées en fréquence, tout en faisant un hétérodynage du signal reçu, ou d’un signal dérivé, avec un signal généré localement, associé au signal transmis simultanément
9.
DISPLACEMENT MEASUREMENT METHOD AND APPARATUS FOR ELEVATOR, AND DEVICE AND STORAGE MEDIUM
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Liu, Xianzhao
Chen, Gang
Qin, Peng
Zhong, Zhaofeng
Guo, Weiwen
Abrégé
A displacement measurement method and apparatus for an elevator, and a device and a storage medium. The method comprises: driving a car (220) of an elevator to move in a hoistway (210) (101); driving a radar (221) to transmit multiple frames of radar signals to a target object and receive the multiple frames of radar signals reflected by the target object (102), wherein when the radar (221) is mounted at the car (220), the target object is the hoistway (210) or an accessory of the hoistway (210), and when the radar (221) is mounted at the hoistway (210), the target object is the car (220); calculating an original inter-frame phase difference between two adjacent frames of radar signals (103); correcting the original inter-frame phase difference into a target inter-frame phase difference (104); and measuring a sliding distance of the car (220) between the two adjacent frames of radar signals according to the target inter-frame phase difference (105).
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Ma, Pengyu
Huang, Jinfu
Liu, Dong
Liang, Haiquan
Li, Zhiwu
Abrégé
An online monitoring and analyzing system (200) for energy consumption of an elevator. The system (200) analyzes, in real time, energy consumption states of the current elevator in different use states by means of an elevator energy consumption analysis module (204), and provides a more targeted statistical analysis result in view of the specific usage situation of the elevator, thereby realizing intelligent operation of the elevator. The system (200) comprises: a video recognition module (201), an elevator state detection module (202), an elevator energy consumption monitoring module (203) and an elevator energy consumption analysis module (204), wherein the video recognition module (201) is used for acquiring an elevator monitoring video and performing calculation according to the elevator monitoring video to obtain elevator load state information; the elevator state detection module (202) is connected to an elevator control system and is used for acquiring elevator operation state information from the elevator control system; the elevator energy consumption monitoring module (203) is used for collecting elevator energy consumption data; and the elevator energy consumption analysis module (204) is used for analyzing the elevator energy consumption data on the basis of the elevator load state information and the elevator operation state information, so as to obtain energy consumption statistical results in different elevator usage modes.
B66B 5/00 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs
B66B 5/02 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs réagissant à des conditions de fonctionnement anormales
B66B 3/00 - Utilisation de dispositifs pour indiquer ou signaler les conditions du fonctionnement des ascenseurs
B66B 1/34 - Systèmes de commande des ascenseurs en général Détails
11.
IMAGE PROCESSING METHOD AND APPARATUS, COMPUTER DEVICE, STORAGE MEDIUM AND COMPUTER PROGRAM
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Huang, Jinfu
Yu, Jiaxin
Lu, Tingkai
Wang, Xinjun
Chen, Yanming
Ma, Pengyu
Li, Zhiwu
Abrégé
The present application relates to an image processing method and apparatus, a computer device, a storage medium and a computer program. The method comprises: acquiring a virtual building model corresponding to a target space, the virtual building model being a virtual model used for simulating the target space; acquiring a virtual picture obtained by observing the virtual building model by means of a virtual camera, and determining a target labeling area in the virtual picture to obtain a target labeling box, the position and orientation information of the virtual camera being the same as the position and orientation information of the target camera in the target space; and acquiring a real picture obtained by photographing the target space by means of the target camera, and performing synthesis on the real picture and the target labeling box to obtain a target picture, the target picture being used for labeling a target in the target space. By using the present method, a labeling area can be adjusted in time according to actual conditions, thus improving the target labeling accuracy and target labeling efficiency.
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Chen, Gang
Liu, Xianzhao
Tang, Qiwei
Zhong, Zhaofeng
Li, Zhiwu
Abrégé
A radar-based distance measurement method and apparatus, a computer device, a system, and a medium. The method comprises: when an elevator car moves from the top portion of a hoistway to the bottom portion of the hoistway, processing an echo signal to obtain a first spectrogram (S110), the echo signal comprising a signal reflected by a primary corner reflector and a secondary corner reflector after receiving an electromagnetic wave emitted by a radar; matching a peak value of a target echo signal on the first spectrogram according to a preset matching means (S120); and using the distance value corresponding to the peak value of the target echo signal on the first spectrogram as the distance between the radar and the top portion of the hoistway (S130).
G01S 13/08 - Systèmes pour mesurer la distance uniquement
G01S 7/41 - Détails des systèmes correspondant aux groupes , , de systèmes selon le groupe utilisant l'analyse du signal d'écho pour la caractérisation de la cibleSignature de cibleSurface équivalente de cible
B66B 5/00 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs
13.
ELEVATOR POWER FAILURE EMERGENCY DEVICE, METHOD AND APPARATUS, AND ELEVATOR
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Rong, Hongkai
Tang, Qiwei
Liu, Zhen
Yuan, Junbo
Guo, Yao
Lai, Mingui
Abrégé
An elevator power failure emergency device, method and apparatus, and an elevator. The elevator power failure emergency device comprises an emergency power source device and an elevator controller. The emergency power source device comprises a power source controller, an energy storage device and a switch unit, wherein the power source controller is connected to the energy storage device, the switch unit and the elevator controller; the power source controller is used, when a power grid is in an abnormal running state, for instructing the switch unit to turn on a connection between the energy storage device and the elevator controller, and for transmitting a power supply request signal to the elevator controller; the elevator controller is used for acquiring a bus voltage value and the current running state of an elevator, and for generating a response signal according to the current running state of the elevator, the bus voltage value and the power supply request signal; and the power source controller is used for instructing, according to the received response signal, the switch unit to turn on a connection between the energy storage device and an electrical driving device of the elevator. By means of the elevator power failure emergency device, an emergency stop of an elevator caused by the braking of a contracting brake is avoided.
B66B 1/34 - Systèmes de commande des ascenseurs en général Détails
B66B 1/36 - Dispositifs pour arrêter les cabines ou bennes à des niveaux prédéterminés
B66B 5/02 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs réagissant à des conditions de fonctionnement anormales
H02P 3/22 - Dispositions pour l'arrêt ou le ralentissement de moteurs, génératrices électriques ou de convertisseurs dynamo-électriques pour arrêter ou ralentir individuellement un moteur dynamo-électrique ou un convertisseur dynamo-électrique pour arrêter ou ralentir un moteur à courant alternatif par freinage sur court-circuit ou sur résistance
14.
ELEVATOR OUTAGE EMERGENCY CONTROL METHOD AND DEVICE
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Rong, Hongkai
Zhong, Zhaofeng
Tang, Qiwei
Liu, Zhen
Yuan, Junbo
Guo, Yao
Lai, Mingui
Abrégé
An elevator outage emergency control method and device. The elevator outage emergency control method comprises the following steps: detecting that a power grid is in a power-off state, and acquiring a current running state of an elevator traction machine and a bus voltage value; if the current running state of the elevator traction machine is a motor state, and the bus voltage value is continuously reduced within a preset time, acquiring first energy provided by standby energy of an elevator, second energy generated by decelerating the elevator to a leveling speed, third energy consumed by decelerating the elevator to the leveling speed, and fourth energy consumed by the elevator performing a leveling action; and when the sum of the first energy and the second energy is less than the sum of the third energy and the fourth energy, instructing the elevator to decelerate to zero, and when the speed of the elevator is zero, controlling the elevator to perform the leveling action. Moreover, an elevator outage emergency control device is provided. According to the method and the device, after the power grid is powered off, the elevator can be slowly decelerated and stopped and then run for leveling, thereby achieving the safe rescue of the elevator, reducing the impact force during the running of the elevator, and improving the safety of the elevator.
B66B 1/30 - Systèmes de commande à régulation, c.-à-d. avec action rétroactive, permettant d'agir sur la vitesse de déplacement, l'accélération ou la décélération électriques agissant sur les organes d'entraînement
B66B 5/00 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs
B66B 5/02 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs réagissant à des conditions de fonctionnement anormales
15.
ELEVATOR FAULT PREDICTION METHOD, SYSTEM AND APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Jiang, Rongtian
Li, Liang
Zhuang, Xuqiang
Li, Qian
Li, Zhiwu
Wu, Naiqi
Abrégé
The present application relates to an elevator fault prediction method, system and apparatus, a computer device, and a storage medium. The method comprises: obtaining historical fault data of an elevator and historical state data corresponding to the historical fault data as sample data, the historical fault data comprising fault data of a plurality of fault types; inputting the sample data into a fault prediction model to obtain a fault association table of sample feature parameters of the sample data and each fault type; and sending the fault association table to an edge server, the edge server being configured to obtain state data and fault data of the elevator, determine current sample feature parameters according to the state data and the fault data, and determine a probability of occurrence of any fault type according to the current sample feature parameters and the fault association table. By adoption of the method, time delay can be reduced while the calculation capability of an elevator end is improved, and the method has higher timeliness.
G06Q 10/04 - Prévision ou optimisation spécialement adaptées à des fins administratives ou de gestion, p. ex. programmation linéaire ou "problème d’optimisation des stocks"
16.
ENERGY CONSUMPTION ABNORMAL STATE DETECTION METHOD AND APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Chen, Yanming
Zhang, Liqun
Li, Zhiwu
Liang, Zecheng
Liu, Minghua
Huang, Jinfu
Wu, Naiqi
Liang, Haiquan
Peng, Zhenjie
Yu, Jiaxin
Abrégé
An energy consumption abnormal state detection method and apparatus, a computer device, and a storage medium. The method comprises: acquiring a plurality of pieces of historical energy consumption information of a target building, the plurality of pieces of historical energy consumption information being the energy consumption information of the target building within a preset historical time period (S101); determining an energy consumption distance threshold of the target building within the current time period on the basis of the plurality of pieces of historical energy consumption information (S102); obtaining a plurality of current energy consumption distances of the target building within the current time period according to the current energy consumption information and the plurality of pieces of historical energy consumption information of the target building, the current energy consumption information being the energy consumption information of the target building within the current time period (S103); and if the maximum value of the plurality of current energy consumption distances is greater than the energy consumption distance threshold, determining that the target building is in an energy consumption abnormal state within the current time period (S104). By using the present method, energy consumption abnormal state detection by using a fixed threshold that is manually and subjectively determined can be avoided, thereby improving the accuracy of energy consumption abnormal state detection.
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Huang, Liming
Zhang, Yongsheng
Zhong, Zhaofeng
Guo, Weiwen
Liu, Xianzhao
Xie, Weijie
Abrégé
Disclosed herein are a contactless key and a control method therefor. The contactless key comprises at least one key unit; the at least one key unit comprises a sensing area expansion module, a distance detection module, and a signal processing module; the distance detection module is connected to the signal processing module; the sensing area expansion module is configured to adjust the sensing area of the distance detection module; the distance detection module is configured to detect the distance from an object located within the sensing area to the contactless key, generate a distance signal, and transmit the distance signal to the signal processing module; and the signal processing module is configured to generate a key control signal according to the distance signal.
H03K 17/94 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par la manière dont sont produits les signaux de commande
18.
ALTERNATING CURRENT QUANTITY EFFECTIVE VALUE CALCULATION METHOD AND APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Yuan, Junbo
Liu, Zhen
Qin, Peng
Rong, Hongkai
Guo, Yao
Abrégé
An alternating current quantity effective value calculation method and apparatus, a computer device (12), and a storage medium. The method comprises: sampling the alternating current quantity in a target circuit by means of a sampling circuit at a set sampling frequency within a period of an alternating current to obtain an alternating current quantity sampling value (S110), wherein the ratio of the sampling frequency to the frequency of the alternating current is an integer; and calculating the sum of all alternating current quantity sampling values to serve as an alternating current quantity effective value (S120). The method improves the calculation efficiency of the alternating current quantity effective value, and also reduces an occupied space required for calculating the alternating current quantity effective value.
G01R 19/02 - Mesure des valeurs efficaces, c.-à-d. des valeurs moyennes quadratiques
G01R 19/25 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe utilisant une méthode de mesure numérique
19.
ELEVATOR FAULT DETERMINATION LOGIC VERIFICATION METHOD AND SYSTEM AND STORAGE MEDIUM
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Jiang, Rongdian
Huang, Danyan
Li, Jiyuan
Abrégé
An elevator fault determination logic verification method and system and a storage medium. The method comprises: acquiring elevator operation data; acquiring corresponding maintenance records according to the elevator operation data, wherein the maintenance records comprising maintenance time, fault code and processing description; performing data set classification operation on the maintenance records; comparing the result of the data set classification with a fault determination logic; optimizing the fault logic according to the result of the comparison; and executing an elevator fault determination operation according to the optimized result. A large amount of historical fault data, elevator status data, and maintenance data are used to form a verification logic, which realizes intelligent identification of the authenticity of the fault, and verifies the rationality of the fault interpretation logic, so as to reduce the misreporting and omission of fault information, thereby greatly reducing the workload of maintenance personnel. The present invention can be widely used in the technical field of elevator control.
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Ma, Pengyu
Lu, Tingkai
Chen, Haiwen
Huang, Jinfu
Abrégé
Disclosed are an air conditioner control method and apparatus, a device, and a storage medium. The air conditioner control method comprises: obtaining control event information for controlling an air conditioner; determining the pre-startup time and the pre-shutdown time of the air conditioner on the basis of the control event information; and controlling the air conditioner according to the pre-startup time and the pre-shutdown time. The air conditioner control method in embodiments of the present invention can determine the pre-startup time and the pre-shutdown time of the air conditioner according to the use start time and end time of the air conditioner use place, which avoids the problems of low energy utilization rate and the waste of energy caused by operating the air conditioner in a high power mode at the beginning of use to make the temperature reach the temperature set by a user as quickly as possible, and shutting down the air conditioner at the end of the use place, improves the energy utilization rate, and saves energies.
F24F 11/30 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p. ex. pour la sécurité ou la surveillance
F24F 11/64 - Traitement électronique utilisant des données mémorisées au préalable
F24F 11/65 - Traitement électronique pour la sélection d'un mode de fonctionnement
F24F 11/72 - Systèmes de commande caractérisés par leurs grandeurs de sortieDétails de construction de tels systèmes pour la commande de l’apport en air traité, p. ex. commande de la pression
F24F 11/80 - Systèmes de commande caractérisés par leurs grandeurs de sortieDétails de construction de tels systèmes pour la commande de la température de l’air fourni
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Chen, Hui
Li, Mian
Liang, Haiquan
Yu, Jiaxin
Ma, Pengyu
Wen, Junjun
Abrégé
A data link construction method and apparatus for an access control system, and a computer device and a computer storage medium. The method comprises the steps of: obtaining a system-wide device address table of the access control system (step S101); obtaining terminal information of a plurality of target terminals according to the system-wide device address table (step S102); writing the terminal information of the plurality of target terminals into an NAT routing post-stage device table of the target terminals (step S103); and constructing a point-to-point data link among the target terminals according to the NAT routing post-stage device table (step S104). Therefore, a mesh network data link topological structure among the terminals is automatically constructed without depending on a platform center server, all the terminals can directly communicate with one another by point-to-point crossing routing, and the load of the platform center server of the access control system is reduced.
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Lai, Mingui
Liu, Xianzhao
Zhang, Caixia
Huang, Liming
Zhong, Zhaofeng
Pan, Haihua
Abrégé
A method and apparatus for detecting clamping of a foreign object (404) between elevator doors, and a computer device and a computer readable storage medium. The method comprises: when it is detected that elevator door panels (302) are completely closed, removing the door closing torque of an elevator door machine so that the elevator door panels (302) rebound; obtaining the rebound distance and rebound speed of the elevator door panels (302); and according to the bounce distance and/or rebound speed, determining whether a foreign object (404) is clamped between the elevator door panels (302). When the elevator door panels (302) are completely closed, the door closing torque of the elevator door machine is removed so that the elevator door panels (302) rebound, the encoder in the elevator door machine obtains the rebound distance and rebound speed of the elevator door panels (302) during the rebound process, and according to the rebound distance and/or rebound speed of the elevator door panels (302), determines whether a foreign object (404) is clamped between the elevator door panels (302), so as to more accurately detect whether a foreign object (404) is clamped between the elevator door panels (302), so that the elevator will not carry the object (404) during operation, thereby ensuring the safe operation of the elevator.
B66B 5/02 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs réagissant à des conditions de fonctionnement anormales
23.
ACCESS CONTROL MANAGEMENT METHOD AND APPARATUS, DEVICE AND STORAGE MEDIUM
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Ma, Pengyu
Li, Mian
Chen, Haiwen
Liang, Haiquan
Lin, Hanjie
Wen, Junjun
Abrégé
An access control management method and apparatus, a device and a storage medium. Said method comprises: receiving first authentication information of a user (S101); determining, on the basis of the first authentication information, an access mode of the user (S102), the access mode being allocated on the basis of an identity feature of the user; and sending, on the basis of a determination result that the access mode comprises the access right of a currently authenticated target door, an unlocking instruction to a target door (S104).
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Liu, Minghua
Chen, Haiwen
Ma, Pengyu
Yu, Jiaxin
Abrégé
A building control method, apparatus, device, and system, and a storage medium. The method comprises: receiving device information of a target device sent by a building control device, wherein the building control device is used to control devices in a building, and the target device is a device in the building the distance from which to a service robot of the building is less than a distance threshold (S202); and performing processing corresponding to the device information according to the device information (S204). The method resolves the issue in which target device information is unknown, but interaction with the target device is directly performed regardless, and results in interaction failure or a required wait for an appropriate time for interaction, and poor intelligent building control. The invention thus improves intelligent building control.
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Liu, Xianzhao
Chen, Gang
Huang, Liming
Zhang, Caixia
Abrégé
A method for detecting a space congestion degree and a method for scheduling an elevator car. The method for detecting a space congestion degree comprises: emitting a first wireless wave signal to a space, the space being divided into at least two detection sections and used for carrying a target object; receiving a second wireless wave signal, the second wireless wave signal being a wireless wave signal generated after the first wireless wave signal is reflected by the target object; determining, on the basis of the first wireless wave signal and the second wireless wave signal, a position where the target object is located in the space; determining, according to the position, a detection section where the target object is located in the space; and determining a congestion degree of the target object in the detection section on the basis of echo reflection intensity of the second wireless wave signal.
B66B 1/28 - Systèmes de commande à régulation, c.-à-d. avec action rétroactive, permettant d'agir sur la vitesse de déplacement, l'accélération ou la décélération électriques
B66B 5/00 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs
G01S 15/32 - Systèmes pour mesurer la distance uniquement utilisant la transmission d'ondes continues, soit modulées en amplitude, en fréquence ou en phase, soit non modulées
G01S 5/08 - Position d'un radiogoniomètre unique obtenue par détermination de la direction de plusieurs sources espacées d'emplacement connu
26.
EARLY WARNING METHOD AND APPARATUS FOR HOISTWAY HAZARD, COMPUTER DEVICE AND STORAGE MEDIUM
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Zhang, Caixia
Zhong, Zhaofeng
Huang, Liming
Chen, Gang
Abrégé
An early warning method and apparatus for a hoistway hazard, a computer device and a storage medium Said method comprises: upon detection that a target object enters a hoistway, acquiring hazard influence factors of the target object, the hazard influence factors including at least one of the safety state of the target object, an inherent structure of the hoistway, a tool used for entering the hoistway, and the state of the hoistway; evaluating whether the hazard influence factors cause hazard influence on the target object, so as to obtain a hazard evaluation result; and if the hazard evaluation result of any one of the hazard influence factors is that there is a hazard influence, outputting early warning information of a hazard. Said method solves the problem that the hoistway hazard is not discovered in time when the hoistway hazard is manually determined, and is not liable to be influenced by human factors; and the hoistway hazard can be discovered in time, realizing automatic early warning of the hoistway hazard.
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Zhang, Caixia
Guo, Weiwen
Huang, Liming
Chen, Gang
Liu, Xianzhao
Abrégé
A method and apparatus for determining a storey height, and a computer device and a storage medium, wherein same belong to the technical field of storey height determination. The method comprises: acquiring detection information, wherein the detection information is determined by means of a detection apparatus according to the feature of a landing door sill, and the detection apparatus is arranged on a mobile apparatus (S201); if it is determined, according to the detection information, that the mobile apparatus reaches a target landing door sill, acquiring a first height corresponding to the mobile apparatus, wherein the first height is acquired by means of a distance determination apparatus (S202); and obtaining, according to the first height, a storey height output result (S203). By means of the method, the problem of the cost of determining a storey height being relatively high is solved. When a storey height is determined, position switches do not need to be provided at each storey, such that the cost of determining a storey height can be effectively reduced.
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Yan, Shaojun
Zhang, Yongsheng
Yang, Xiaoke
Xie, Weijie
Abrégé
Disclosed is an elevator traction steel belt rope breakage detection device, the device comprises: an output end connecting assembly (1), wherein the output end connecting assembly comprises a first base (11) and a circuit board (12) arranged on the first base (11), the circuit board (12) is provided with output spring plates (13) in such a way that the number of the output spring plates corresponds to the number of steel wire ropes (31) in a traction steel belt (3), the first base (11) is provided with a first mounting hole (111), the first mounting hole (111) is configured to allow a first end of the traction steel belt (3) to be inserted, and the output spring plates (13) abut against an end face of the first end of the traction steel belt (3) and are in electrical conduction with the steel wire ropes (31); and a short circuit end connecting assembly (2), wherein the short circuit end connecting assembly comprises a second base (21) and short circuit spring plates (23) connected to the second base (21), the number of the short circuit spring plates (23) corresponds to the number of the output spring plates (13), the second base (21) is provided with a second mounting hole (211), the second mounting hole (211) is configured to allow a second end of the traction steel belt (3) to be inserted, first ends of all short circuit spring plates (23) are sequentially connected in series, and second ends of all short circuit spring plates (23) abut against an end face of the second end of the traction steel belt (3) and are in electrical conduction with the steel wire ropes (31). Further disclosed are a corresponding detection system and detection method.
B66B 7/12 - Dispositifs de vérification, graissage ou nettoyage des câbles, filins ou guides
B66B 5/02 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs réagissant à des conditions de fonctionnement anormales
29.
COMMUNICATION METHOD BASED ON BUILDING CLOUD PLATFORM SYSTEM, AND BUILDING CLOUD PLATFORM SYSTEM
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Chen, Haiwen
Liu, Minghua
Ma, Pengyu
Yu, Jiaxin
Abrégé
Disclosed are a communication method based on a building cloud platform system and a building cloud platform system. The communication method which is applied to a data processing server and is based on a building cloud platform system comprises: receiving building data or a data request forwarded by a proxy server, wherein the building data and the data request are sent by a terminal device; carrying out data processing according to the building data or the data request, and obtaining a data processing result; and storing the data processing result in a database server, wherein the proxy server belongs to an open section, and the data processing server and the database server belong to a non-open section; and the open section is connected to the terminal device.
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Xiao, Zhongliang
Chen, Xiaodong
Tang, Qiwei
Zhong, Zhaofeng
Zhang, Shizhao
Abrégé
Disclosed are an elevator braking control device and method. The elevator braking control device comprises a safety brake power supply circuit (110), a brake control circuit (120) and an elevator main unit (130), wherein the elevator main unit (130) comprises a brake (131), and the safety brake power supply circuit (110) and the brake control circuit (120) are configured to be connected to an elevator main control system (140); and a first end of the brake control circuit (120) is connected to a power supply output end of the safety brake power supply circuit (110), and a second end of the brake control circuit (120) is connected to the brake (131) of the elevator main unit (130). The elevator braking control device and method can realize elevator braking control based on the safety brake power supply circuit and the brake control circuit, and improve the flexibility of elevator braking control.
B66B 1/06 - Systèmes de commande sans régulation, c.-à-d. sans action rétroactive électriques
B66B 5/00 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs
B66B 5/02 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs réagissant à des conditions de fonctionnement anormales
B66D 5/30 - Dispositifs de fonctionnement électriques
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Chen, Long
Mizumoto, Shinji
Liang, Dongming
Zhang, Jiejian
Zhang, Yongsheng
Chen, Junjie
Abrégé
An intelligent key, comprising: a key head (1) and a key body (2) connected to the key head (1); a power source module mounted in the key body (2); a warning generation module mounted in the key body (2), wherein the warning generation module is connected to the power source module; and a trigger module mounted in the key head (1), wherein the trigger module is connected to the warning generation module, and when the intelligent key is inserted into a lock hole, the trigger module triggers the warning generation module to send a warning signal. Before an elevator landing door is opened, the trigger module can trigger the warning generation module to send a warning signal, so as to remind an operator that the elevator landing door is about to open, and to warn the operator to be careful. Compared with sending a warning signal only after a landing door opens in the prior art, the present invention is more effective and timelier, so that elevator accidents can be reduced. Compared with the prior art, the structure of an existing elevator landing door does not need to be refitted, and a warning function can be more easily realized, which is more economic and efficient.
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Zhang, Fei
Li, Liang
Huang, Dong
Zhong, Zhaofeng
Li, Jiyuan
Bo, Mingxin
Abrégé
A method for evaluating the quality of elevator components a system, an apparatus, and a storage medium. The method comprises: detecting and acquiring operation data of an elevator part undergoing evaluation (S110); uploading and saving the operation data to a storage server (S120); and performing statistical analysis on the operation data according to a preset standard data rule for elevator component operation data, so as to generate an elevator component quality evaluation report (S130). The above method resolves difficulties in tracking the quality of elevator components with a long service life, and realizes statistical analysis of elevator component operation data, thereby achieving effective evaluation of the quality of elevator components.
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Li, Xiaoming
Zhang, Fei
Li, Jiyuan
Li, Liang
Bo, Mingxin
Zhong, Zhaofeng
Abrégé
An elevator component parameter calibration method and device, an apparatus, and a storage medium. The method comprises: periodically, during the course of operation, obtaining each elevator component parameter value (S110); if a first elevator component in each elevator is fault-free, updating, according to the obtained elevator component parameter values, a parameter value of a first elevator component type in a stored elevator component parameter table (S120); and using the parameter value of the first elevator component type in the elevator component parameter table as a parameter calibration value of the first elevator component type (S130). The invention solves the problem in the prior art that elevator component parameter value calibration requires manual adjustment and test data is limited, automating elevator component parameter value calibration, thereby improving working efficiency while improving the accuracy of elevator component parameter calibration values.
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Zhong, Zhaofeng
Ma, Pengyu
Lu, Tingkai
Jia, Yuhui
Chen, Long
Liang, Dongming
Abrégé
An elevator maintenance method, a smart key (30), and an elevator maintenance system. The elevator maintenance method comprises: the smart key (30) detecting whether the same has been inserted into a repair keyhole of an elevator undergoing maintenance (S110); the smart key (30) emitting an audible cautionary signal upon detection that the same has been inserted into the repair keyhole of the elevator undergoing maintenance (S120). The present invention achieves an improvement in workplace safety for maintenance workers.
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Chen, Tao
Huang, Liming
Lei, Jiawei
Zheng, Haisong
Zhong, Zhaofeng
Li, Jiyuan
Guo, Weiwen
Abrégé
An elevator pre-diagnosis method and device. The method comprises: storing elevator running state data uploaded by an elevator; associating fault discrimination data, related to the running of an elevator component, in the elevator running state data; and performing statistical analysis on the fault discrimination data, so as to perform pre-diagnosis on whether the elevator component will have a fault. The device comprises a data storage module (51), a data association module (52) and a fault pre-diagnosis module (53).
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD. (Chine)
Inventeur(s)
Chen, Tao
Huang, Liming
Lei, Jiawei
Zheng, Haisong
Chen, Xiongwei
Zhong, Zhaofeng
Li, Jiyuan
Li, Liang
Abrégé
A system and a method for multi-target elevator group control. The system comprises: a group control analysis and calculation module (11), which is deployed in a cloud computing center and configured to analyze and calculate elevator operation data uploaded by each elevator, o as to determine a group control algorithm for group control of the elevators; a local group control execution module (12), which maintains a communication connection with the group control analysis and calculation module (11) by means of the Internet of Things, and which is configured to execute the group control algorithm derived by the group control analysis and calculation module (11); and an elevator control module (13), which is arranged corresponding to different elevators in a elevator group, which maintains a communication connection with the group control analysis and calculation module (11) by means of the Internet of Things, and which is configured to upload the elevator operation data to the group control analysis and calculation module (11). The multi-target elevator group control system and method complete an group control algorithm analysis on a cloud center, so that hardware configuration requirements are not high for a local group control device, thereby reducing the development and maintenance costs caused by constantly updating the hardware.