The present disclosure provides a power battery monitoring system and a method. The system includes a battery assembly, N monitoring assemblies and an upper monitoring platform. The N monitoring assemblies are connected in series with each other, and a first monitoring assembly is connected with the upper monitoring platform, wherein the number of sampling channels of each monitoring assembly is M. The power battery monitoring system can segment the battery cells; the number of the battery cells in each segment is M; the battery cells in each segment are connected with a same monitoring assembly; and the N monitoring assemblies acquire sampling data of the battery cells in this segment through the corresponding sampling channel, so as to realize the monitoring of the battery cells in this segment by the upper monitoring platform.
G01R 31/3835 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge ne faisant intervenir que des mesures de tension
G01R 19/165 - Indication de ce qu'un courant ou une tension est, soit supérieur ou inférieur à une valeur prédéterminée, soit à l'intérieur ou à l'extérieur d'une plage de valeurs prédéterminée
G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
2.
CLAMPING DEVICE AND METHOD FOR DETERMINING CURVE OF STROKE CURVE PROTRUSION IN CLAMPING DEVICE
A clamping device is provided by embodiments of the present disclosure. The clamping device includes: a rotating assembly including a rotating plate and a connecting rod, where the connecting rod is rotatably connected to a clamping assembly and the rotating plate, respectively, and the rotating plate is provided with a stroke curve protrusion; and an engagement assembly including a ratchet wheel and a ratchet component, where the ratchet component always abuts against the stroke curve protrusion so as to adjust an engagement position of the ratchet component and the ratchet wheel.
B25B 11/00 - Porte-pièces ou dispositifs de mise en position non couverts par l'un des groupes , p. ex. porte-pièces magnétiques, porte-pièces utilisant le vide
A vehicle measurement apparatus, includes a base module, a column module, and a crossbeam module, the column module being mounted on the base module, and the crossbeam module comprising a crossbeam, an adjustment mechanism and a fine-adjustment mechanism, wherein one end of the fine-adjustment mechanism is mounted on the column module, and the other end of the fine-adjustment mechanism is mounted on the adjustment mechanism; the crossbeam is mounted on the adjustment mechanism; the adjustment mechanism is configured to adjust the position of the crossbeam relative to the column module; and the fine-adjustment mechanism is configured to adjust the position of the adjustment mechanism relative to the column module. With the above structure, during the adjustment process, a user can adjust the position of the crossbeam only by means of the fine-adjustment mechanism and the adjustment mechanism.
G01B 3/30 - Barres, blocs, ou bandes où la distance entre deux faces est fixe, mais peut être réglée à l'avance, p. ex. calibres de longueur, calibres d'épaisseur
G01B 5/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques
A battery equalization method, comprising: step A1: according to acquired data information of a battery, determining that the battery is a balanceable battery or a replaceable battery; step A2: charging and discharging a module in the balanceable battery; step A3: monitoring the voltage of each cell in the module and the temperature of the module; and step A4: shunting the equalization current between the cells, so as to ensure that the voltage difference between the cells does not exceed a first preset voltage difference value. Further disclosed is a battery equalization system. By means of the method, a battery can be effectively discriminated, thereby improving the equalization effect, shortening the equalization time, and thus improving the equalization efficiency.
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
B60L 3/00 - Dispositifs électriques de sécurité sur véhicules propulsés électriquementContrôle des paramètres de fonctionnement, p. ex. de la vitesse, de la décélération ou de la consommation d’énergie
B60L 58/22 - Équilibrage de la charge des modules de batterie
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
A vehicle system illustration generation method includes: determining, according to vehicle information, function systems included in a vehicle, and parts or modules included in the function systems; acquiring, from a pre-established element database, element information of elements corresponding to the parts or modules included in each function system; and generating, according to the element information of the elements corresponding to the parts or modules included in the function systems, connection relation information corresponding to the parts or modules, and signal flow direction information, system illustrations corresponding to the function systems of the vehicle not only the overall view of the automobile frame can be systematically ascertained as a whole, but also the information flow of the automobile can be clearly and meticulously felt, so that the formation of a diagnosis strategy is assisted to the greatest extent, and the fault point is finally found.
B60R 16/023 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour la transmission de signaux entre des parties ou des sous-systèmes du véhicule
A vehicle measurement device includes a base module, a column module, a cross beam module, and a camera assembly. The column module includes a fixed column, a movable column assembly, and a drive assembly. The fixed column is connected to the base module. The movable column assembly is mounted on the fixed column. The movable column assembly is connected to the drive assembly. The drive assembly is used for driving the movable column assembly to lift or lower relative to the fixed column. The cross beam module is supported by the movable column assembly. The cross beam module is used for supporting a calibration element. The camera assembly is mounted on the cross beam module. The camera assembly is used for capturing wheel information of a vehicle. By means of the structure, the vehicle measurement device can not only calibrate an ADAS, but also perform four-wheel positioning.
G07C 5/08 - Enregistrement ou indication de données de marche autres que le temps de circulation, de fonctionnement, d'arrêt ou d'attente, avec ou sans enregistrement des temps de circulation, de fonctionnement, d'arrêt ou d'attente
G01B 11/275 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour tester l'alignement des axes pour tester l'alignement des roues
The present application relates to the technical field of automobile inspection. A synchronous screen display method is applied to a controlled end of a vehicle measurement system which includes a control end, the controlled end, and a vehicle measurement support. The method includes: receiving the vehicle image sent by the camera component; sending the vehicle image to the control end, so that the control end determines a vehicle measurement result according to the vehicle image, determines a display interface for displaying the vehicle measurement result, and determines a synchronous display identification code corresponding to the display interface; receiving the vehicle measurement result and the synchronous display identification code sent by the control end; and calling a display interface corresponding to the synchronous display identification code according to the synchronous display identification code, and displaying the vehicle measurement result on the display interface.
G07C 5/08 - Enregistrement ou indication de données de marche autres que le temps de circulation, de fonctionnement, d'arrêt ou d'attente, avec ou sans enregistrement des temps de circulation, de fonctionnement, d'arrêt ou d'attente
H03M 7/40 - Conversion en, ou à partir de codes de longueur variable, p. ex. code Shannon-Fano, code Huffman, code Morse
H04L 43/10 - Surveillance active, p. ex. battement de cœur, utilitaire Ping ou trace-route
A battery discharge circuit (100), a circuit control method, and a battery discharge apparatus. The battery discharge circuit comprises a resistor configuration branch (10), a current sampling branch (20), a switch branch (30), a signal amplification branch (40) and a controller (50), wherein the resistor configuration branch is connected between a battery (200) and the switch branch, is connected to the controller, and is configured to be a first preset resistor; the current sampling branch is connected between the battery and the switch branch, and outputs a sampling signal on the basis of a discharge current of the battery; the controller is connected to the signal amplification branch, and outputs a voltage signal corresponding to a target discharge current of the battery; the signal amplification branch is connected between the switch branch and the current sampling branch, and outputs an adjustment signal on the basis of the sampling signal and the voltage signal; the switch branch adjusts the turning-on degree of the switch branch on the basis of the adjustment signal; and the battery is discharged by means of the first preset resistor and the switch branch. In this way, the discharge cost of a battery can be reduced.
A quote display method includes: the automobile repair terminal sending a parameter test value of the automobile accessory to the test server; the test server sending the parameter test value to the big data platform; the big data platform determining a target keyword corresponding to a faulty automobile accessory according to the parameter test value and a parameter standard value of the automobile accessory, and sending the target keyword corresponding to the faulty automobile accessory to the test server: the test server sending the target keyword to the automobile repair terminal; the automobile repair terminal sending the target keyword to the quote server: the quote server determining, according to the target keyword, accessory information and accessory quote of a target automobile accessory, sending the accessory information and the accessory quote to the automobile repair terminal; the automobile repair terminal displaying the accessory information and the accessory quote.
A check device includes a check device body; and a base, comprising a first base body, a second base body, and a locking mechanism. The check device body is mounted to the first base body; part of the second base body can be accommodated in an inner cavity of the first base body; the second base body can move with respect to the first base body; part of the second base body can be accommodated in or extend out of the inner cavity of the first base body; and the locking mechanism is used for locking the second base body with respect to the first base body, such that the part of the second base body is accommodated in the inner cavity of the first base body, and unlocking the second base body with respect to the first base body, such that the part of the second base body extends out of the inner cavity of the first base body. The check device can be used for checking a brake disc of a vehicle and can also check a tread surface of a tire, and is stable and effective.
An antenna board capable of transmitting and receiving millimeter wave signals is provided and the antenna board and a power board are respectively provided on both sides of a heat dissipation support, a radar interface terminal is configured to be electrically connected to the power board, and a housing is provided for accommodating and fixing components such as the power board, so that the millimeter wave car-reversing radar can not only penetrate components such as a bumper, and even if the millimeter wave car-reversing radar is mounted on a car frame, detection and car reversing and parking prompt reminding functions of the radar are likewise not affected.
A vehicle remote diagnosis system includes a local VCI device, a remote VCI device, a vehicle battery simulator and a vehicle diagnosis instrument, wherein the local VCI device is connected to a vehicle; the remote VCI device is in communication connection with the local VCI device; the vehicle battery simulator is connected to the remote VCI device, and the vehicle battery simulator can simulate the voltage of a battery of the vehicle to supply power to the remote VCI device; the vehicle diagnosis instrument is connected to the remote VCI device; and the vehicle diagnosis instrument can send a diagnosis command to the vehicle by means of the remote VCI device and the local VCI device, so as to acquire diagnosis data, which is fed back by the vehicle on the basis of the diagnosis command. The voltage of the battery of the vehicle is simulated to supply power to the remote VCI device, such that the stability and success rate of vehicle remote diagnosis can be improved.
G07C 5/00 - Enregistrement ou indication du fonctionnement de véhicules
G01R 31/3835 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge ne faisant intervenir que des mesures de tension
G06F 30/20 - Optimisation, vérification ou simulation de l’objet conçu
G07C 5/08 - Enregistrement ou indication de données de marche autres que le temps de circulation, de fonctionnement, d'arrêt ou d'attente, avec ou sans enregistrement des temps de circulation, de fonctionnement, d'arrêt ou d'attente
The tire pressure sensor includes: a housing, a fixed base being provided in the housing; the fixed base being provided with an accommodation recess having an upward opening; a vent hole penetrated to the exterior of the housing being provided on the bottom wall of the accommodation recess; a circuit board fixed in the housing and being provided with a tire pressure detection chip an elastic sealing member located between the bottom wall of the accommodation recess and the tire pressure detection chip, and being used for sealing a gap between the bottom wall of the accommodation recess and the tire pressure detection chip, and the elastic sealing member being provided with a communication hole communicated with the detection hole and the vent hole; and a flexible sealant filled between the accommodation recess and the tire pressure detection chip, and between the accommodation recess and the elastic sealing member.
The millimeter-wave radar includes a radome, an antenna board, a metal middle frame, a main control board and a base which are sequentially arranged. An image acquisition module is provided on one side of the main control board facing the radome. The antenna board is provided with a radar transceiver control module and is electrically connected to the main control board. The metal middle frame is provided with a notch through which the image acquisition module passes. The radome is made of a material through which radar waves emitted by the antenna board can pass; the radome is connected to the base; the main control board, the antenna board and the metal middle frame are located in a space enclosed by the radome and the base; and the radome is provided with a through-hole which communicates with the notch so that the image acquisition module extends outside of the through-hole.
G01S 7/02 - Détails des systèmes correspondant aux groupes , , de systèmes selon le groupe
B60R 16/023 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour la transmission de signaux entre des parties ou des sous-systèmes du véhicule
G01S 13/86 - Combinaisons de systèmes radar avec des systèmes autres que radar, p. ex. sonar, chercheur de direction
G01S 13/931 - Radar ou systèmes analogues, spécialement adaptés pour des applications spécifiques pour prévenir les collisions de véhicules terrestres
26.
Vehicle advanced assistant system calibration device
The application provides a communication interaction method and apparatus, a device and a storage medium. The method comprises: when a vehicle identification code of a target vehicle is obtained, according to the vehicle identification code, obtaining a plurality of electronic control units and a plurality of communication parameters in the target vehicle, wherein the plurality of communication parameters comprise a communication parameter corresponding to each electronic control unit in the plurality of electronic control units; according to the plurality of communication parameters, creating at least one communication link for the plurality of electronic control units, wherein one communication link corresponds to one communication parameter; by means of each communication link in the at least one communication link, respectively performing parallel communication command interaction with the electronic control unit corresponding to each communication link. By means of the technical solution, the duration of communication command interaction can be reduced, and the communication efficiency with the electronic control units in the vehicle is improved.
A calibration disc, comprising a disc body (1) and a clamping assembly, wherein the disc body (1) is provided with a first clamping face (11) and a second clamping face (12), the first clamping face (11) and the second clamping face (12) are both arc faces, center axes of the first clamping face (11) and the second clamping face (12) are collinear, and the first clamping face (11) and the second clamping face (12) are jointly used for clamping a first clamp (2000); and a positioning assembly comprises a first positioning member (21) and a second positioning member (22), the first positioning member (21) and the second positioning member (22) are both provided on the disc body (1), the first clamping member is provided with a first clamping face, the second clamping member is provided with a second clamping face, the second clamping face and the first clamping face are both arc faces, center axes of the second clamping face and the second clamping face are collinear, and the second clamping face and the first clamping face are jointly used for clamping a tire clamp. One calibration disc can be used for clamping a first clamp and a second clamp, such that the universality of the calibration disc is improved. Further provided are a calibration apparatus and a calibration system.
An alignment target includes: a target plate, the target plate being provided with a position indication pattern configured for indicating position information of the alignment target; a flexible protective member, the flexible protective member being arranged around the periphery of the target plate; and a housing, the housing comprising a main body portion and a frame arranged around the periphery of the main body portion, the frame enclosing an accommodating space, the target plate and the flexible protective member being disposed in the accommodating space, the flexible protective member being located between the target plate and the housing, and configured for buffering an interaction force between the housing and target plate. In this way, according to the embodiments of the present invention, the problem of deformation or even breakage of the target due to vibration, collision or falling is avoided, and the service life of a product is prolonged.
G01B 5/255 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques pour tester l'alignement des axes pour tester l'alignement des roues
The vehicle-mounted radar device includes a vehicle-mounted radar adjusting device and a radar; the vehicle-mounted radar adjusting device is used for installing the radar; the vehicle-mounted radar adjusting device includes a first mounting plate, a second mounting plate, movable portions, driving portions, and a controller; the second mounting plate (12) is spaced apart from the first mounting plate in a vertical direction; one end of each movable portion is movably connected to the second mounting plate; the other end of the movable portion is connected to the driving portion; the controller is electrically connected to the driving portion; and the controller can control the driving portion to drive the movable portion to drive the second mounting plate to rotate about a horizontal direction relative to the first mounting plate, so as to adjust a horizontal angle of the radar.
A positioning assist device includes a first fixator installed on a front wheel on one side of an automobile; a second fixator installed on a rear wheel on the same side of the automobile; a first connecting rod connected between the first fixator and the second fixator, wherein the vertical plane, where a center line in a lengthwise direction of the first connecting rod is located, is parallel to the center axis plane of the automobile; a second connecting rod arranged to be perpendicular to the first connecting rod; a horizontal reference rod which is installed on the second connecting rod and can rotate around the second connecting rod; and a laser device movably installed on the horizontal reference rod, wherein the horizontal angle, relative to the horizontal reference rod, of the laser device can be adjusted to be the angle, relative to the central axis surface of the automobile, of the energy receiving and transmitting surface for installing a radar assembly when the radar assembly to be installed is installed on one side of the automobile.
A tire pressure sensor information processing method includes: step 210, determining a tire position to be reset, the tire position to be reset being a tire position having corresponding tire pressure sensor identity information in a tire pressure monitoring system that needs to be cleared; step 220, generating false identity information for a tire pressure sensor of the tire position to be reset; step 230, after the tire pressure monitoring system enables a learning mode, sending the false identity information to the tire pressure monitoring system, so as to cause the tire pressure monitoring system to update identity information of the tire pressure sensor of the tire position to be reset to the false identity information; step 240, obtaining real identity information of a tire pressure sensor of a tire position to be matched; and step 250, sending the real identity information to the tire pressure monitoring system, so as to cause the tire pressure monitoring system to update identity information of the tire pressure sensor of the tire position to be matched to the real identity information.
A calibration support (1000), comprising a base (1), a column assembly (2) and a beam assembly (3), wherein the base (1) is provided with a maintenance hole (11); the column assembly (2) comprises a fixed column (21), a lifting column (22), a driving assembly (23) and a quick-release member (24); a first end of the fixed column (21) is arranged on the base (1), the fixed column (21) is provided with an accommodation cavity (211), the accommodation cavity (211) extends from the first end of the fixed column (21) to a second end of the fixed column (21), and one side of the fixed column (21) is provided with an opening; the lifting column (22) is inserted into the accommodation cavity (211) from the second end of the fixed column (21), the quick-release member (24) is detachably connected to the fixed column (21), and the quick-release member (24) corresponds to the opening; the driving assembly (23) is arranged in the accommodation cavity (211), and the driving assembly (23) corresponds to the maintenance hole (11); and the quick-release member (24) limits the driving assembly (23) to block the movement of the driving assembly (23) toward the maintenance hole (11), and the driving assembly (23) is detachably connected to the lifting column (22). The present application solves the problem that the operation process is relatively difficult and tedious when a driving assembly is disassembled and assembled in an existing calibration support. A calibration device is further provided.
A load balancing control method and a power battery module balancing device (100), relating to the technical field of power battery module balancing devices. The load balancing control method comprises: when a power battery module is being charged, using a plurality of small-capacity power supply modules for combination, wherein a unified charging control signal is used for the power supply modules to achieve load balancing of the power battery module; and when the power battery module is being discharged, adjusting a discharge current by using a two-stage discharge strategy, and forming a plurality of discharge channels, wherein a unified discharge control signal is used for the plurality of discharge channels so that the discharge channels have a consistent discharge current. According to the load balancing control method, loads of the power supply modules in the power battery module can be reasonably balanced, balanced distribution of currents on the power supply modules is achieved, and balanced load distribution can maximize the working efficiency of the power battery modules; moreover, the safety of a power battery system is improved and the service life of the power battery module balancing device is prolonged.
B60L 58/10 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries
B60L 58/22 - Équilibrage de la charge des modules de batterie
B60L 3/00 - Dispositifs électriques de sécurité sur véhicules propulsés électriquementContrôle des paramètres de fonctionnement, p. ex. de la vitesse, de la décélération ou de la consommation d’énergie
The embodiments of the present invention relate to the technical field of vehicle maintenance and repair, and in particular to a vehicle bus topological graph display method and apparatus, and a device. In the method, display priorities are set for vehicle buses of various types, display weights of different display areas of a display interface are acquired, and the buses with different display priorities are displayed in different display areas, such that a user can conveniently view the buses, and the ease of use by the user is improved.
The automobile millimeter-wave radar fixing device includes: a first clamping housing, the first clamping housing being U-shaped, and having one end provided with a first rotatable connection structure and the other end provided with a first fixed connection structure; a second clamping housing, the second clamping housing being U-shaped, and having one end provided with a second rotatable connection structure and the other end provided with a second fixed connection structure, the second rotatable connection structure being rotatably connected to the first rotatable connection structure, the second fixed connection structure being fixedly connected to the first fixed connection structure, and a clamping space being formed between the first clamping housing and the second clamping housing; and an angle adjusting support, fixed to the second clamping housing and used for fixing and adjusting an angle of a millimeter-wave radar.
Embodiments of the present invention relate to the technical field of vehicle detection, and disclose an automatic construction method and apparatus for an automobile bus topology map. The method includes; acquiring automobile bus data and electronic control unit data; performing bus layout according to the automobile bus data and the electronic control unit data, and constructing an automobile bus topology map framework; and performing layout on an electronic control unit according to the automobile bus topology map framework to generate an automobile bus topology map. By means of the method, personalized bus layout can be supported, a complex bus relationship can be supported, more vehicle model coverage can be supported while the accuracy of the topology map is maintained, and the development difficulty of diagnostic tools can be reduced.
G07C 5/08 - Enregistrement ou indication de données de marche autres que le temps de circulation, de fonctionnement, d'arrêt ou d'attente, avec ou sans enregistrement des temps de circulation, de fonctionnement, d'arrêt ou d'attente
45.
Automobile Bus Fault Diagnosis Method, Apparatus and Computing Device
The present invention discloses an automobile bus fault diagnosis method, apparatus and computing device, the method including: transmitting a communication instruction to an automobile; analyzing the communication fault code and a power supply state of the automobile control unit if a communication fault code fed back by an automobile control unit is received; analyzing a layout attribute of a part of the automobile control unit if an answering signal fed back by the part of the automobile control unit is received, analyzing a power supply state of the part of the automobile control unit according to the layout attribute, determining a to-be-measured bus range according to the layout attribute and the power supply state, and measuring a bus electrical characteristic within the bus range; determining the to-be-measured bus range and measuring the bus electrical characteristic within the bus range if no answering signal fed back by the automobile control unit is received.
G06F 11/22 - Détection ou localisation du matériel d'ordinateur défectueux en effectuant des tests pendant les opérations d'attente ou pendant les temps morts, p. ex. essais de mise en route
46.
Brake Disc Wear Degree Measuring Method, Apparatus and Device
A brake disc wear degree measuring method comprises: obtaining a brake disc image comprising a laser pattern (110); extracting the laser pattern from the brake disc image, and generating a projection depth point cloud map according to the extracted laser pattern (120); identifying the projection depth point cloud map by means of a point cloud map identification model to obtain a matching sample, and determining a measurement feature of the matching sample as a measurement feature of the projection depth point cloud map (130); determining a position of a reference point in the projection depth point cloud map according to the measurement feature (140); determining a position of a measurement point in the projection depth point cloud map according to the measurement feature (150); and determining, according to the position of the reference point and the position of the measurement point, a difference value of the laser projection depths of the reference point and the measurement point, wherein the difference value is used for representing a wear degree index of a brake disc (160).
A vehicle inspection method, apparatus and device is disclosed. The method is applied to a vehicle inspection system including an oscilloscope, and the method includes: acquiring information about a to-be-measured vehicle; acquiring and displaying a measured item associated with information about the to-be-measured vehicle; receiving a user selection operation on the measured item to obtain a selected measured item; acquiring and displaying measurement guidance information corresponding to the selected measured item to prompt a user to connect the vehicle inspection system to the measured item according to the measurement guidance information; and measuring the selected measured item, and displaying a signal waveform corresponding to the measured item when a measurement start instruction of a user is received. In this way, embodiments of the present invention can greatly reduce the threshold for use of a vehicle inspection system, improve vehicle inspection efficiency, simplify user operations, and enhance user experience.
G01R 31/00 - Dispositions pour tester les propriétés électriquesDispositions pour la localisation des pannes électriquesDispositions pour tests électriques caractérisées par ce qui est testé, non prévues ailleurs
G07C 5/08 - Enregistrement ou indication de données de marche autres que le temps de circulation, de fonctionnement, d'arrêt ou d'attente, avec ou sans enregistrement des temps de circulation, de fonctionnement, d'arrêt ou d'attente
G07C 5/00 - Enregistrement ou indication du fonctionnement de véhicules
The present application relates to a battery pack maintenance system, comprising a cloud platform and a diagnosis device. The diagnosis device can detect a battery pack online or offline, so that a vehicle model coverage is wider, and the compatibility is higher. Moreover, the diagnosis device obtains technical data and maintenance data by means of the cloud platform, determines, according to the technical data and detection data, whether a fault occurs in the battery pack, and if yes, maintains the battery pack according to the maintenance data, so that detection and maintenance integration is achieved, the maintenance efficiency and the maintenance effect are improved, and the user operation difficulty is reduced.
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
G01R 31/385 - Dispositions pour mesurer des variables des batteries ou des accumulateurs
B60L 58/10 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries
H04L 67/10 - Protocoles dans lesquels une application est distribuée parmi les nœuds du réseau
A positioning apparatus (100) and a positioning system, in the technical field of calibration. The positioning apparatus (100) comprises a first detection unit (10), a second detection unit (20), and a processing unit (30); the first detection unit (10) and the second detection unit (20) are located at two sides of a vehicle (102), respectively; each of the first detection unit (10) and the second detection unit (20) comprises an image acquisition assembly, the image acquisition assembly comprising a first wheel camera (12) facing the direction of a first wheel (1022) of the vehicle (102), and a calibration frame camera (14) facing the direction of a calibration frame (101); the processing unit (30) is connected to each of the first detection unit (10) and the second detection unit (20), and the processing unit (30) is used to control the two first wheel cameras (12) to acquire first images of the first wheels (1022) on both sides, respectively, and is used to control at least one of the two calibration frame cameras (14) to acquire a second image of at least part of the calibration frame (101); the processing unit (30) is also used to determine the position of the calibration frame (101) relative to the vehicle (102) according to the first image and the second image. The positioning apparatus (100) may improve calibration precision and calibration efficiency, and improve maintenance efficiency.
An ADAS calibration system includes an ADAS calibration device and a user equipment. The ADAS calibration device includes an image acquisition assembly. The user equipment is communicatively connected to the ADAS calibration device. The method includes: obtaining a relevant image of a vehicle acquired by the image acquisition assembly of the ADAS calibration device by the user equipment, determining position information of the ADAS calibration device relative to the vehicle according to the relevant image of the vehicle by the user equipment, and providing a position adjustment scheme for the ADAS calibration device relative to the vehicle according to the position information by the user equipment, so that a user positions the ADAS calibration device to a preset position relative to the vehicle according to the position adjustment scheme. The present disclosure streamlines a process and improves the efficiency of positioning the ADAS calibration device.
A method for displaying a function menu interface of an automobile tyre pressure monitoring system includes: S100: acquiring vehicle information of an automobile (100); S200: determining a candidate radio frequency communication protocol of the tyre pressure monitoring unit according to the vehicle information; S300: by means of the radio frequency unit simulating the candidate radio frequency communication protocol, sending a radio frequency signal to the tyre pressure monitoring unit, the radio frequency signal comprising a sensor identification code and simulation measurement data; S400: if recorded measurement data corresponding to the sensor identification code is read out from the tyre pressure monitoring unit by means of the OBD interface, and the recorded measurement data is consistent with the simulation measurement data, then determining that the candidate radio frequency communication protocol is the actual radio frequency communication protocol of the tyre pressure monitoring unit; and S500: displaying a function menu interface of the tyre pressure monitoring system according to the actual radio frequency communication protocol.
Embodiments of the present application relate to the technical field of tire pressure detection. Disclosed are a tire pressure sensor and a tire pressure detection system. The tire pressure sensor comprises a housing, a tire pressure detection assembly and a sealing member. The housing is provided with a cavity and a recess communicated with the cavity; the recess is provided with a through hole; the through hole is used for communicating the recess with the outside; the inner peripheral wall of the recess is provided with convex ribs. The tire pressure detection assembly is accommodated in the cavity; the tire pressure detection assembly comprises a circuit board, a tire pressure detection chip and a wireless transmission module; both the tire pressure detection chip and the wireless transmission module are connected to the circuit board; the tire pressure detection chip is connected to the top of the recess and closes the opening of the recess. The sealing member is accommodated in the recess; the sealing member abuts against the convex ribs, so that a gap is formed between the outer peripheral surface of the sealing member and the inner peripheral wall of the recess; the sealing member is provided with a connecting hole; the connecting hole is communicated with the through hole and the air pressure hole of the tire pressure detection chip. In this way, the situation of poor assembly caused by the sealing member being easily affected by burrs can be alleviated.
The present application relates to a power battery monitoring system and method. The system comprises a battery module, N monitoring modules and an upper monitoring platform, the N monitoring modules are connected in series, and the first monitoring module is connected to the upper monitoring platform, wherein a sampling channel of each monitoring module is M. According to the power battery monitoring system, cells can be segmented, the number of each segment of cells is M, the each segment of cells are connected to a same monitoring module, and the monitoring module acquires sampling data of the segment of cells by means of a corresponding sampling channel, so that the upper monitoring platform monitors the segment of cells. Meanwhile, the monitoring modules can be connected in series to realize expansion of the monitoring module. Therefore, according to the power battery monitoring system, the number of monitoring modules can be selected according to the specific number of cells, so that various configurations of battery modules are compatible, thereby achieving better compatibility.
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
B60L 58/10 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries
57.
TRACTION BATTERY DATA STREAM DIAGNOSIS VISUALIZATION METHOD AND DIAGNOSIS DEVICE
A traction battery data stream diagnosis visualization method and a diagnosis device, which relate to the field of automobile maintenance. The method comprises: acquiring structural parameters of a traction battery (S1); according to the structural parameters of the traction battery, matching and generating a visual battery graph corresponding to the structural parameters of the traction battery (S2); and acquiring a data stream of the traction battery, and displaying same in the visual battery graph (S3). By means of the method, data stream patterning can be realized, dynamic data stream parameters of a traction battery can be displayed in a patterned manner, a single battery cell with an abnormal data stream in a battery module can be presented in a visual battery graph in a comparative manner, location coordinates of the corresponding faulty single battery cell can be quickly positioned by means of the abnormal data stream of the traction battery, and abnormal parameters can be displayed to give an alarm so as to assist in maintenance, such that a maintenance technician can quickly repair a fault of the battery module of an electric vehicle, and the difficulties faced by the maintenance technician are also reduced, thereby greatly improving the maintenance working efficiency.
A method for measuring an internal resistance of a battery, and a circuit for measuring an internal resistance of a battery, which relate to the technical field of batteries. The method comprises: determining the capacity range of a battery to be subjected to measurement (S1); according to the capacity range of said battery, determining measurement logic of said battery (S2); according to the measurement logic, acquiring a voltage and a current of said battery (S3); and according to the measurement logic, the voltage and the current, calculating an internal resistance of said battery (S4). That is, targeted internal resistance measurement is performed on a battery to be subjected to measurement, such that the accuracy of measurement for an internal resistance of said battery can be improved.
G01R 31/389 - Mesure de l’impédance interne, de la conductance interne ou des variables similaires
G01R 27/08 - Mesure de la résistance par mesure à la fois de la tension et de l'intensité
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
The present application relates to the technical field of new energy. Disclosed is a charging device. The charging device comprises a power supply circuit, a measurement circuit and a control circuit, wherein the measurement circuit can be electrically connected to a power battery, and can measure the battery voltage of the power battery; the power supply circuit comprises a plurality of power supply units, and each power supply unit can be electrically connected to the power battery; the control circuit is respectively electrically connected to the plurality of power supply units and the measurement circuit, can determine a target mode according to the battery voltage, and controls, according to the target mode, the total charging power that is output by the plurality of power supply units to the power battery. By means of the embodiments, power supply units involved in charging can be flexibly distributed according to the actual charging requirement of a power battery, such that a charging power is dynamically adjusted, and the compatibility with a wide charging voltage range is improved, thereby widening application scenarios.
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
H02J 3/32 - Dispositions pour l'équilibrage de charge dans un réseau par emmagasinage d'énergie utilisant des batteries avec moyens de conversion
H02H 11/00 - Circuits de protection de sécurité pour empêcher la commutation de mise en service dans le cas où une condition électrique de travail indésirable pourrait en résulter
Provided in the embodiments of the present application are a charging circuit and a charging apparatus. The charging circuit comprises a charging power supply, a first switch, and a control unit, wherein the charging power supply comprises at least one programmable constant voltage source; the first switch is connected between the charging power supply and a battery; the control unit is separately connected to the charging power supply and the first switch; and the control unit obtains, according to a target charging current, a first control voltage for controlling the first switch or a second control voltage for controlling the programmable constant voltage source, so as to control the magnitude of a charging current. Therefore, constant-current charging of the programmable constant voltage source may be realized.
Embodiments of the present application relate to the field of battery equalization design, and disclose a power battery module equalization system and a control method therefor. The system comprises a mains electricity conversion module, a strong electricity management module, an output module, a battery module, an electronic load, a power transfer module, a sampling module, and a microcontroller unit. According to the system, when the sampling module acquires that a voltage difference between power batteries in the battery module is relatively large, the electronic load and/or the power transfer module can be connected to the battery module to realize equalization, and when the voltage difference between the power batteries is relatively small, the output power is adjusted by adjusting the on-off of a switching tube in the strong electricity management module for quick charging. Therefore, the system is simple in structure and easy to control.
A clamping device, comprising: a rotating module (20) comprising a rotating plate (21) and a connecting rod (22), wherein the connecting rod (22) is rotatably connected to a clamping module (50) and the rotating plate (21), respectively, and the rotating plate (21) is provided with a stroke curve protrusion (211); and an engagement module (30) comprising a ratchet wheel (31) and a ratchet assembly (32), wherein the ratchet assembly (32) always abuts against the stroke curve protrusion (211) so as to adjust the engagement position of the ratchet assembly (32) and the ratchet wheel (31). According to the described technical solution, the technical problem of a clamping device that when a first driving module (40) rotates at the same angle, the retraction distance of the clamping module (50) relative to a mounting base (10) is inconsistent is solved, and the technical effect that when the clamping module (50) is at different positions, in a process where the first driving module (40) rotates to an end position after the ratchet assembly (32) and the ratchet wheel (31) are engaged, the retraction distance of the clamping module (50) relative to the mounting base (10) remains the same is achieved.
B25B 11/00 - Porte-pièces ou dispositifs de mise en position non couverts par l'un des groupes , p. ex. porte-pièces magnétiques, porte-pièces utilisant le vide
70.
BATTERY DETECTION APPARATUS AND BATTERY DETECTION SYSTEM
A battery detection apparatus (13) and a battery detection system (100). The battery detection apparatus (13) comprises a high-voltage harness plug (131) and a detection assembly (132); the high-voltage harness plug (131) is used for plugging in an output end of a power battery (200); the high-voltage harness plug (131) comprises a positive high-voltage line (1311) and a negative high-voltage line (1312); the detection assembly (132) comprises a housing (1321), a detection circuit (1322) mounted in the housing (1321), a wireless communication circuit (1323), and a control circuit (1324); the housing (1321) is detachably connected to the high-voltage harness plug (131); the detection circuit (1322) is separately electrically connected to the positive high-voltage line (1311) and the negative high-voltage line (1312), and is used for detecting working parameters of the power battery (200); the control circuit (1324) is separately electrically connected to the detection circuit (1322) and the wireless communication circuit (1323), and is used for controlling the wireless communication circuit (1323) to transmit the working parameters to an upper computer (12).
Disclosed are a stand column and a lifting system. The stand column (100) comprises: an outer column (10), an inner column (20), and a push rod (30). The outer column (10) is a chamber having an opening at the top end; first guide rails (111) are fixed to a first side surface (10a) of the outer column (10); a guide element (112) is fixed to the top end of the first side surface (10a), and the guide element (112) is provided with a guide through hole; the bottom end of the inner column (20) is assembled on the first guide rails (111) by means of a first sliding element (230); the push rod (30) is accommodated in the chamber of the outer column (10); the bottom end of the push rod (30) is fixed to the bottom end of the outer column (10); and a movable rod (31) of the push rod (30) passes through the guide through hole and is then connected to the top end of the inner column (20), so as to drive the inner column (20) to slide along the first guide rails (111). The stand column has the beneficial effects of higher rigidity, stability and calibration precision.
Provided are a test device (600), a diagnostic device (200) and a vehicle diagnostic system (100). The test device (600) comprises an interface circuit (61), a power source circuit (62) and a controller (63), wherein the interface circuit (61) comprises a test interface (611) and an OBD interface (612), the test interface (611) is used for the plugging of a component to be tested (500), and the OBD interface (612) is used for the plugging of a VCI device (700); a pre-charging path (62a) and a direct charging path (62b) are respectively formed between the power source circuit (62) and the test interface (611), and a pre-charging current that flows through the pre-charging path (62a) is less than a direct charging current that flows through the direct charging path (62b); and the controller (63) is used for gating a target path according to test configuration information to provide a power source for the component to be tested (500), and therefore the controller (63) can respectively interact with the component to be tested (500) or the VCI device (700) by means of the test interface (611) or the OBD interface (612), so that the controller (63) reliably and effectively executes a fault test operation. In addition, a target path can be flexibly selected to provide a power source for a component to be tested, so as to avoid damage to the component to be tested or a reduction in the operation reliability of a test device that is caused by an abnormal power supply.
A camera assembly for a wheel positioning system includes a base body and a camera main body. The base body is provided with target surfaces which are not in the same plane and are not in the same plane as that of a lens in the camera main body. The target surfaces are respectively provided with target elements, the spatial positional relationship between the target element and the camera main body is known, and the geometric characteristics of the target element are known. Therefore, the position of the camera main body can be determined by acquiring the positions of the target surfaces, and the positions of cameras on two sides of a vehicle can be indirectly determined without using a sensor or a preset camera fixing structure, thereby improving the measurement accuracy of calibration calculation.
A wheel image acquisition assembly includes a base, a motor assembly and a camera module. One end of the base is for being connected to a support body in a wheel positioning apparatus, and the other end of the base is for being connected to the camera module. The motor assembly is mounted in the base and includes a motor for driving the camera module to rotate around the horizontal axis so as to adjust a pitch angle of the camera module. The camera module is used for acquiring image of wheels so as to determine the position of the wheels relative to a vehicle. The wheel image acquisition assembly can drive the camera module to rotate by means of the motor, so as to adjust the visual field range of the camera module, which is more flexible, and facilitates wheel alignment positioning in a complex environment.
G06T 7/80 - Analyse des images capturées pour déterminer les paramètres de caméra intrinsèques ou extrinsèques, c.-à-d. étalonnage de caméra
G01B 11/275 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour tester l'alignement des axes pour tester l'alignement des roues
H04N 23/695 - Commande de la direction de la caméra pour modifier le champ de vision, p. ex. par un panoramique, une inclinaison ou en fonction du suivi des objets
H04N 17/00 - Diagnostic, test ou mesure, ou leurs détails, pour les systèmes de télévision
A method for detecting a storage battery of a vehicle includes: acquiring the noise intensity and battery information of the storage battery; according to the noise intensity and the battery information, selecting a battery detection scheme from among at least two preset candidate battery detection schemes. The battery detection scheme includes one among a discharge load value, detection frequency, duty cycle and detection time, the discharge load value and the detection frequency are related to the noise intensity, and the duty cycle and the detection time are related to the battery information; and detecting the storage battery according to the battery detection scheme. By means of the noise intensity and the battery information, a comprehensive selection of a battery detection scheme may be used to achieve the rapid and accurate detection of the storage battery even in circumstances of noise interference and/or poor health of the storage battery.
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
G01R 31/389 - Mesure de l’impédance interne, de la conductance interne ou des variables similaires
A vehicle detection system includes a support, machine vision modules, a failure sensor, and a controller. Each machine vision module includes image acquisition devices each including s an image acquisition sensor for obtaining related parameters of hardware to be detected of a vehicle. The failure sensor is used for acquiring position change information of the image acquisition sensor and outputting a motion parameter signal comprising the position change information. The controller is used for determining, according to the motion parameter signal, whether the position of the image acquisition sensor needs to be calibrated. In the using process of the vehicle detection system, the controller can determine in real time whether the position of the image acquisition sensor needs to be calibrated, so as to avoid a miscorrection caused by detecting and correcting the vehicle without precalibration after the measurement and calculation precision of the vehicle detection system is reduced.
G06T 7/80 - Analyse des images capturées pour déterminer les paramètres de caméra intrinsèques ou extrinsèques, c.-à-d. étalonnage de caméra
G06T 7/70 - Détermination de la position ou de l'orientation des objets ou des caméras
G01B 11/275 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour tester l'alignement des axes pour tester l'alignement des roues
84.
Method for Measuring Battery Reserve Capacity of Storage Battery, and Battery Detection Device
A method for measuring a battery reserve capacity of a storage battery is applied to a battery detection device which is electrically connected to the storage battery by a Kelvin connector. The method includes: sending an input signal to a storage battery to control the discharging of the storage battery, and acquiring an output signal which is fed back, within an input duration of the input signal, by the storage battery regarding the input signal; determining a target battery parameter according to the output signal; acquiring a battery capacity table, wherein the battery capacity table includes a correlation between a battery parameter and a battery reserve capacity; and according to the battery capacity table and the target battery parameter, determining a battery reserve capacity corresponding to the target battery parameter. The measurement time for a battery reserve capacity of a storage battery is reduced, and the measurement efficiency is improved.
G01R 31/367 - Logiciels à cet effet, p. ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
G01R 31/388 - Détermination de la capacité ampère-heure ou de l’état de charge faisant intervenir des mesures de tension
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
G01R 31/364 - Connexions pour bornes de batteries, munies de dispositions de mesure intégrées
A vehicle measurement apparatus (900), comprising a base module (100), a column module (200), and a crossbeam module (300), the column module (200) being mounted on the base module (100), and the crossbeam module (300) comprising a crossbeam (310), an adjustment mechanism (380) and a fine-adjustment mechanism (800), wherein one end of the fine-adjustment mechanism (800) is mounted on the column module (200), and the other end of the fine-adjustment mechanism (800) is mounted on the adjustment mechanism (380); the crossbeam (310) is mounted on the adjustment mechanism (380); the adjustment mechanism (380) is configured to adjust the position of the crossbeam (310) relative to the column module (200); and the fine-adjustment mechanism (800) is configured to adjust the position of the adjustment mechanism (380) relative to the column module (200). With the above structure, during the adjustment process, a user can adjust the position of the crossbeam (310) only by means of the fine-adjustment mechanism (800) and the adjustment mechanism (380), such that the position of the crossbeam (310) can be adjusted without frequently bending down to adjust the base module (100), and the operation is convenient.
A battery equalization method, comprising: step A1: according to acquired data information of a battery, determining that the battery is a balanceable battery or a replaceable battery; step A2: charging and discharging a module in the balanceable battery; step A3: monitoring the voltage of each cell in the module and the temperature of the module; and step A4: shunting the equalization current between the cells, so as to ensure that the voltage difference between the cells does not exceed a first preset voltage difference value. Further disclosed is a battery equalization system. By means of the method, a battery can be effectively discriminated, thereby improving the equalization effect, shortening the equalization time, and thus improving the equalization efficiency.
The present application discloses a pattern projection correction method, comprising: acquiring an image to be corrected in a target region, wherein the image is an image obtained by photographing the target region when a projection pattern is projected onto a screen located in the target region, the screen is provided with screen feature points, and the projection pattern is provided with projection feature points; calculating correction information according to the screen feature points and the projection feature points; correcting the projection pattern according to the correction information to obtain a corrected projection pattern; and projecting the corrected projection pattern onto the screen. The present application further provides a pattern projection correction apparatus, an automobile calibration system, and a computer-readable storage medium. The present application solves the technical problems in the prior art of being unable to quickly correct a calibration pattern, low calibration accuracy, and poor efficiency.
A three-dimensional target, a wheel positioning system, and a wheel positioning method are provided. The three-dimensional target includes a base body. The base body is provided with at least three target surfaces which are all in different planes. Each of the at least three target surfaces is provided with target elements. Each of the at least three target surfaces is used for wheel positioning. Two of the at least three target surfaces form a group of calculation units, and the spatial position relationship between the target elements of at least two groups of calculation units is used for determining the position of a wheel. By using two target surfaces as a group, the at least three target surfaces can be configured into multiple groups, and calibration is performed according to the multiple target surfaces; thus, the accuracy of calibration calculation is improved.
G01B 11/275 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour tester l'alignement des axes pour tester l'alignement des roues
G06T 7/70 - Détermination de la position ou de l'orientation des objets ou des caméras
98.
Calibration system and calibration support therefor
F16M 11/18 - Têtes des supports avec mécanisme déplaçant les appareils par rapport au banc
F16M 11/04 - Moyens pour la fixation des appareilsMoyens permettant le réglage des appareils par rapport au banc
F16M 11/28 - Soubassements pour supports à pilier télescopique unique
F16M 11/38 - Infrastructure avec ou sans roues à hauteur ou longueur modifiables des pieds, avec utilisation possible pour le transport également par pliage
F16M 11/42 - Appuis ou tréteaux en tant que supports pour appareils ou objets avec dispositions pour mouvoir le support
