38results about How to "Reduce wiring harness costs" patented technology

The invention discloses a vehicle control unit of an electric vehicle; the control unit is an embedded controller based on a singlechip and is provided with 6 interfaces; an accelerator pedal sensor, a brake signal sensor and a working voltage current Hall sensor of the control unit are connected with A / D interfaces; a rotation speed sensor is connected with a PWM interface; an ignition switch, a power failure are connected with an I / O interface; a storage cell management system, a power-assisted steering system, an electric motor controller and a solar cell panel controller are connected with a CAN communication interface by a high-speed CAN bus; a calibration matching and a failure diagnosis are connected with an SC10 communication interface; a light management system is connected with an SCI1 communication interface by a LIN bus; the control unit carries out communication by the bus and accepts, filters and handles the vehicle state.

Providing a power supply apparatus for a sliding structure, which can be arranged in a small space in the sliding structure, the power supply apparatus includes a wiring harness having a vertical path portion; a harness fixing member for fixing one end of the vertical path portion of the wiring harness on the sliding structure; a fixed base fixed on the sliding structure for holding the other end of the vertical path portion; and a swing member mounted on the fixed base to swing freely in a horizontal plane for allowing the vertical path portion to be twisted along a circumferential direction of itself and leading a part of the wiring harness continued to the vertical path portion toward a fixed structure. Instead of the fixed base, a movable base 5′, and a guide rail to be engaged with the movable base can be applied.

The invention discloses an electric car microcomputer bus control system and a diagnosis method. The system comprises a microcomputer bus controller, an intelligent handset, diagnosis equipment, a liquid crystal instrument, an information acquisition circuit, an RS485 communication circuit, an integral vehicle light circuit, an integral vehicle power source control circuit and a power source circuit, wherein the microcomputer bus controller is connected with the intelligent handset through a wireless signal, integral vehicle state parameters are acquired by the microcomputer bus controller through the information acquisition circuit to realize control on integral vehicle equipment, the RS485 communication circuit is connected with the microcomputer bus controller and a motor controller to realize control on the electric car motor, the diagnosis equipment is further connected with the microcomputer bus controller through the RS485 communication circuit to accomplish the fault diagnosis function for the electric car, and functions of unlocking, locking, light control and fault display of the electric car can be realized by the intelligent handset through the wireless signal. The electric car microcomputer bus control system is suitable for traffic tools such as an electric bicycle or an electric tricycle.

The invention discloses a fresh refrigeration storage cabinet which comprises a cabinet body. The cabinet body is internally provided with a plurality of refrigeration boxes and a refrigerating machine. The cabinet body is internally provided with a host computer system and auxiliary computer systems. The host computer system comprises a display screen, an industrial control computer and an RFID. The industrial control computer is connected with the refrigerating machine. Each auxiliary computer system comprises a control board which is mounted in the refrigeration box. The host computer system is connected with the auxiliary computer systems through CAN bus technology, and the auxiliary computer systems are connected with one another through the CAN bus technology. An RS485 communication protocol is utilized in the auxiliary computer system. The fresh refrigeration storage cabinet is provided with a multilayer heat insulation system for ensuring the refrigeration temperature. Intelligent design and combination with a network for direct ordering and dispensing are utilized, thereby greatly facilitating a demanding group.

The invention relates to an automobile audio noise management system, which comprises a mainframe and a vehicular ANC and entertainment system. The mainframe serving as a control and operation core controls interaction operation of audio and functional nodes to meet integral informatization and intelligentization requirements. The vehicular ANC system which serves as a node in the whole automobileaudio noise management system participates in interaction among nodes of a whole automobile and is used for subjecting collected detection information to AD conversion, DSP processing and loudspeakerplaying to complete ANC noise elimination. By replacement of a mainframe DSP module with DSP modules in independent nodes for noise reduction treatment, active noise elimination operation efficiencyis improved, and influences of ANC on operating smoothness of mainframe multimedia service are reduced. By an acceleration sensor for feedforward acquisition and pretreatment of road conditions and the like, comprehensive active noise elimination is realized.

The invention relates to a control system of a trailer lamp, which improves the reliability of a trailer system and brings great convenience to the maintenance of vehicles. The control system comprises a main control module and a slave control module which are connected through a power line and a communication line, wherein the main control module comprises a singlechip processing circuit which is respectively connected with a switch signal detection circuit, a power circuit and a communication circuit; the slave control module comprises a singlechip processing circuit which is respectively connected with a lamp driving circuit and the power circuit; the power circuit is connected with the communication circuit; and the lamp driving circuit is connected with the trailer lamp.

The invention discloses a motor vehicle lamp control system and relates to the technical field of motor vehicle lamp control. The system has a front light control device and a rear light control device; the front light control device includes a microcontroller I, a communication module I connected with the microcontroller I, a left turn light switch connected with the microcontroller I, Right turn light switch, reverse light switch, brake light switch, width light switch, fog light switch and license plate light switch, front light driver connected with microcontroller Ⅰ, front left turn light connected with front light driver , front right turn light and front width indicator light, high beam light, low beam light and front fog light are directly connected with their corresponding switches; the rear light control device includes a microcontroller Ⅱ, and a communication module Ⅱ connected with the microcontroller Ⅱ , the rear lamp driver connected with the microcontroller II, the rear lamp connected with the rear lamp driver; the communication module I and the communication module II are connected through a serial bus. The advantages are: reducing the number of wiring harnesses and improving the reliability of control.

The invention discloses a valve body integrated module and a heat pump air conditioning system, and belongs to the technical field of automobiles. The valve body integrated module comprises a first electronic expansion valve, a dehumidification valve, a filter valve, a second electronic expansion valve, a heating valve, a first one-way valve, a second one-way valve, a first switching block and a second switching block. The first electronic expansion valve and the dehumidification valve are arranged side by side in the first direction and are connected through the first switching block and theconnecting piece, the second switching block, the filter valve and the second electronic expansion valve are arranged side by side in the first direction and connected through the connecting piece, the first one-way valve, the heating valve and the second one-way valve are arranged side by side in the second direction and connected through the connecting piece, and a preset included angle is formed between the second direction and the first direction. According to the valve body integrated module, the multiple valve bodies are integrated together through the switching blocks and the connectingpieces, and through reasonable arrangement, the integration degree is improved to a great extent, the external pipeline structure is simplified, and the installation difficulty, the installation costand the wiring harness cost are reduced.

The invention relates to a pure electric vehicle insulation detection system and method with contactor adhesion judgment. The system comprises a power battery, a first main contactor, a second main contactor, an insulation detector and a main motor controller, wherein the positive electrode of the power battery is electrically connected with the positive electrode of the main motor controller through the first main contactor, the negative electrode of the power battery is electrically connected with the negative electrode of the main motor controller through the second main contactor, the negative electrode of the insulation detector is electrically connected with the negative electrode of the power battery, and the positive electrode of the insulation detector is electrically connected with the positive electrode of the main motor controller. According to the invention, only one path of high-voltage circuit is need for sampling, which not only can realize the insulation resistance detection of the whole vehicle, but also can detector the adhesion condition of the contactor, so that the wire harness cost and the hardware cost caused by multi-path high-voltage sampling are reduced,the complexity of the assembly process is also reduced, the complexity of comprehensive detection and judgment of the whole vehicle controller is reduced, and the integration degree is higher.

The invention relates to the technical field of vehicle-mounted control, in particular to a vehicle-mounted control system and method capable of optimizing control lines. The vehicle-mounted control system capable of optimizing the control lines comprises a vehicle body control system and a vehicle-mounted multimedia system, wherein the vehicle body control system is provided with a first CAN interface chip and a first processing chip which are in communication connection with each other; the vehicle-mounted multimedia system is provided with a second CAN interface chip and a second processingchip which are in communication connection with each other; the vehicle-mounted control system capable of optimizing the control lines further comprises a first control wiring harness and a second control wiring harness, wherein the first control wiring harness is connected with the first processing chip; and the second control wiring harness is connected with the vehicle body control system andthe vehicle-mounted multimedia system. According to the vehicle-mounted control system and method capable of optimizing the control lines, the problems that the cost of a vehicle EMI and a wiring harness is increased and the system reliability is reduced as multiple control lines are arranged between an existing vehicle body control system and the vehicle-mounted multimedia system are solved.

The invention provides a camera, a remote control system and a remote control method. The camera comprises a serializer and an image sensing module. The serializer is connected to a low voltage differential signal cable, and the serializer receives a control signal through the low voltage differential signal cable. The image sensing module is coupled to the serializer and is used for sensing an automobile surrounding according to the control signal, generating an image signal and transmitting the image signal to the serializer. When transmitting the image signal to the serializer, the image sensing module serializes the image signal into a sequence signal and outputs the sequence signal through the low voltage differential signal cable.

The invention provides a one-key start control system for an electric vehicle. The one-key start control system comprises a burglar alarm module, a one-key starting module, a controller module, a DC converter module and a power supply battery. The one-key starting module is connected with the burglar alarm module through a one-key starting control line; the burglar alarm module is connected with the DC converter module and the controller module through the output end of an electric door lock; the burglar alarm module is powered by the power supply battery. According to the one-key start control system for the electric vehicle, single-line control is adopted, and the wiring harness cost is reduced; the burglar alarm is high in low-level key identification and signal waterproofness and anti-interference performance, a waterproof plug-in unit does not need to be used in the plug-in unit of the one-key starting module, the hidden danger that a vehicle is started by mistake when water enters the plug-in unit is avoided, and meanwhile the plug-in unit cost is reduced.

The invention discloses a bus controller for an automobile steering column. The bus controller is characterized in that the bus controller is provided with an LIN transceiver, the LIN transceiver receives control information of a combination switch and multifunctional steering wheel keys and then sends the control information to a microprocessor, and a signal processing circuit collects signals of a loudspeaker and a steering wheel gear shifting sheet and sends the signals to the microprocessor; after collecting all the signals, the microprocessor packages the signals into a CAN signal frame message, and the CAN signal frame message is sent to a CAN bus network through a CAN transceiver to be provided for other controllers. By the adoption of the structure, the cost and topological complexity of wire harnesses nearby the steering column are substantially lowered, the number of butt joint terminals and plug-in components is reduced, and the number of wires is 20% that of existing wires; expansibility is improved, the number of restrictions of the number of connectors, layout space and the like is reduced, and function extension is facilitated; the diagnostic function is added to key loops of the combination switch, the steering wheel keys, an angle sensor, the gear shifting sheet and the like, and malfunction elimination efficiency is improved.

The invention provides a network automation bus test bench which comprises a bus automation test bench and an external device, the bus automation test bench comprises a programmable power supply, an I / O control box, a fault control box, a basic control box and a gateway control box. The external device comprises a PC, all controllers and communication modules; the programmable power supply is connected with the I / O control box, the fault control box, the basic control box, the gateway control box and the PC. The communication modules are respectively connected with the I / O control box, the fault control box, the basic control box, the gateway control box and the PC, and all the controllers are respectively connected with the I / O control box, the fault control box, the basic control box, the gateway control box and the communication module. The invention further provides a network automation bus testing method, automatic control over power supply and fault injection is achieved, the result accuracy and testing efficiency of the testing rack are improved, and the testing cost of the rack is reduced.

The invention discloses an integrated battery pack and an automobile. The integrated battery pack comprises a battery module and a controller which are coupled with each other, wherein the battery module comprises battery packs and battery pack detection units coupled with the battery packs in a one-to-one correspondence manner; the controller includes a micro-control unit, a battery management unit which is coupled with the micro-control unit, a current detection unit coupled with the battery management unit, a mode switching unit coupled with the battery management unit, a vehicle-mounted charging unit coupled with the micro-control unit, and a voltage conversion unit coupled with the micro-control unit, the battery management unit and the vehicle-mounted charging unit. The battery packdetection unit is coupled with the battery management unit; the current detection unit is coupled with the positive electrode or the negative electrode of the battery pack; the mode switching unit iscoupled with the positive electrode and the negative electrode of the battery pack. According to the invention, high-voltage components are integrated and arranged inside, exposed high-voltage components are reduced, and the system is safer and more reliable.

The invention discloses an automobile wire harness fixing support comprising a support body, the support body comprises a flat plate part and a frame opening part located above the flat plate part, a screw hole is formed in one tail end of the two tail ends, in the length direction of the flat plate part, of the flat plate part, and a fixing buckle is formed at the other tail end of the flat plate part. The fixing buckle is formed on the side wall, opposite to the frame opening part, of the flat plate part. According to the automobile wire harness fixing support, connectors are arranged in a centralized mode, optimization of the length of the wire harness is facilitated, the cost of the wire harness is reduced, centralized assembly can be achieved in production, and production and manufacturing procedures are reduced. Moreover, abnormal sound and poor contact risks of the plug-in connectors can be effectively reduced through centralized arrangement of the plug-in connectors.

The invention provides a control system for a fuel cell vehicle. The control system comprises a shell, a direct-current / direct-current converter, an air compressor controller, a fuel cell vehicle controller and a communication connector, an upper cover plate is arranged above the shell, and a lower cover plate is arranged below the shell; the direct-current / direct-current converter and the air compressor controller are both arranged in the shell so that the direct-current / direct-current converter and the air compressor controller can share one cooling water channel, and the direct-current / direct-current converter is connected with the air compressor controller. The fuel cell vehicle controller is independently mounted on the upper cover plate; the communication connector is connected withthe direct-current / direct-current converter, the air compressor controller and the fuel cell vehicle controller. According to the invention, the high-power direct-current / direct-current converter, theair compressor controller and the fuel cell vehicle controller for the fuel cell vehicle are integrally designed, so that the occupied space of the product is effectively reduced, the wiring harnesscost required by communication and power supply is reduced, and the investment of a whole vehicle wiring harness and a product mold for communication is saved.

The invention belongs to the field of automobiles and relates to an ACC signal acquisition device of vehicle-mounted equipment. The ACC signal acquisition device comprises an ACC signal sending end and an ACC signal receiving end paired with the ACC signal sending end. The ACC signal sending end is connected with an original ACC of a vehicle through a signal line to obtain original ACC signals of the vehicle, process the ACC signals and send out the ACC signals in a RF signal mode. The ACC signal receiving end is connected with the mounted equipment needing the ACC signals, receives the RF signals, converts the RF signals into level signals, and then transmits the level signals to the mounted equipment. The invention further discloses an ACC signal acquisition method of the vehicle-mounted equipment. The ACC signal acquisition method and device of the vehicle-mounted equipment adopt the RF signals to transmit the ACC state signals, through the scheme, signal synchronization is effective and reliable; by the adoption of the RF wireless transmission signals, long wires do not need to be arranged, so the installation is simple, meanwhile, the wire harness cost is lowered, and the problem that the mounted terminal equipment can not obtain the ACC signals is effectively solved.

The invention discloses a detection circuit. The detection circuit is applied to a voltage conversion device comprising a voltage conversion circuit and an output joint; the output end of the voltage conversion circuit is connected with the output joint; the detection circuit comprises an isolator and a series circuit; the isolator is used for detecting whether the voltage conversion circuit is disconnected with the output joint or not and comprises a power supply, a first resistor, a triggering element located on the primary edge and a triggered element located on the auxiliary edge; two ends of the triggering element are connected with the input end of the output joint; the series circuit comprises a switching circuit and a second resistor which are in series connection with each other; the switching circuit is used for connecting or disconnecting according to the change of the external input; the series circuit and the triggered element are connected with the power supply through the first resistor after being in parallel connection with each other. The invention also discloses an automotive inverter system with the detection circuit. According to the detection circuit, the change of the external input and the connection or the disconnection between the voltage conversion circuit and the output joint can be detected simultaneously, different detection signals can be outputted, and accordingly the voltage conversion circuit can be controlled by a follow-up control system conveniently.

A dynamic equalization circuit of a battery management system, and a dynamic equalization method therefor. In the circuit, the first cell or the last cell in a group of cells connected in series is connected to a corresponding cell selection switch and a corresponding voltage sample switch by means of a sample wire and an equalization wire separated from each other, respectively; each of the remaining cells is connected to a corresponding cell selection switch and a corresponding voltage sample switch by means of a same wire; during normal operation, and on the basis of impedance values of the sample wires calculated according to a equalization test current condition, a CPU measures sample voltages of the cells and calculates the actual cell voltages by eliminating voltage drops on the wires from the sample voltages, and then performs dynamic equalization control according to the actual cell voltages. The present invention greatly reduces required wire harness cost, and can meet real-time cell voltage sample requirements while equalizing cells, prevent the sample precision from being affected by voltage drops on equalization wires, and make the cell voltage sample correct.

The invention provides a vehicle light control system, a control method thereof and a vehicle light control device, and relates to the field of vehicle control. The vehicle light control system comprises a first controller, a first vehicle lamp group, a second controller and a second vehicle lamp group, the first controller and the first vehicle lamp group are located on the front portion of a main vehicle, the second controller and the second vehicle lamp group are located on the rear portion of the main vehicle, the first controller is connected with the second controller, the first controller is connected with all vehicle lamps in the first vehicle lamp group, and the second controller is connected with all vehicle lamps in the second vehicle lamp group. Through vehicle lamplight distributed control, wire harnesses connected between the front portion and the rear portion of the vehicle are reduced, the wire harness cost and the vehicle body weight are reduced, wire harness accumulation and safety accidents such as line short circuit and spontaneous combustion caused by wire harness accumulation are avoided, and the system can be applied to vehicles such as tractors with the high controller integration degree.

The invention provides a vehicle control unit wake-up circuit, a signal processing module and a new energy automobile, the vehicle control unit wake-up circuit comprises a vehicle control unit, the vehicle control unit comprises a first port, at least two wake-up power supplies, and each wake-up power supply is connected with the first port through a diode; and the battery management system comprises at least two second ports, and each second port is connected with one wake-up power supply. According to the scheme, the circuit of the whole vehicle controller circuit board can be simplified, and hard wires used by the whole vehicle main wire harness are reduced.

The invention discloses a bus controller for an automobile steering column. The bus controller is characterized in that the bus controller is provided with an LIN transceiver, the LIN transceiver receives control information of a combination switch and multifunctional steering wheel keys and then sends the control information to a microprocessor, and a signal processing circuit collects signals of a loudspeaker and a steering wheel gear shifting sheet and sends the signals to the microprocessor; after collecting all the signals, the microprocessor packages the signals into a CAN signal frame message, and the CAN signal frame message is sent to a CAN bus network through a CAN transceiver to be provided for other controllers. By the adoption of the structure, the cost and topological complexity of wire harnesses nearby the steering column are substantially lowered, the number of butt joint terminals and plug-in components is reduced, and the number of wires is 20% that of existing wires; expansibility is improved, the number of restrictions of the number of connectors, layout space and the like is reduced, and function extension is facilitated; the diagnostic function is added to key loops of the combination switch, the steering wheel keys, an angle sensor, the gear shifting sheet and the like, and malfunction elimination efficiency is improved.

The invention discloses an information exchange system based on vehicle Ethernet and a vehicle. The system includes a vehicle Ethernet gateway, which is respectively connected with a central control multimedia device and a panoramic image device, and is used for connecting between the center control multimedia device and the panoramic image device. Perform data transmission; the panoramic image device is provided with a first Ethernet interface for sending panoramic video data to the vehicle Ethernet gateway through the first Ethernet interface; the central control multimedia device is provided with a second Ethernet interface for passing The second Ethernet interface obtains panoramic video data from the vehicle-mounted Ethernet gateway, and displays the panoramic video data. The system and vehicle of this embodiment enable data interaction between the central control multimedia device and the panoramic imaging device in various forms, which enriches the interaction mode between the central control multimedia device and the panoramic imaging device, and reduces the cost of the central control multimedia device. The cost of communication with the panoramic imaging device.

The invention relates to the technical field of automobiles, and discloses a vehicle network communication system which comprises a first domain controller, at least two second domain controllers, at least one information collector and at least one actuator. The at least two second domain controllers are respectively in signal connection with the first domain controller through first signal lines; the first domain controller and the at least two second domain controllers are in signal connection with the at least one information collector and the at least one actuator through the second signal lines respectively, and the first domain controller and the second domain controllers are configured to execute different vehicle control functions respectively. The second signal line and the first signal line are different signal lines. According to the vehicle network communication system provided by the invention, the communication system of the vehicle can be optimized, so that the wire harness cost is reduced, and the real-time performance of communication is improved.

The invention discloses a touchable integrated control system of memory resin for an automobile. The touchable integrated control system of the memory resin for the automobile is characterized by being produced through the following steps of (1) pre-molding a Touchskin sensing copper film; (2) performing injection molding; (3) performing surface injection molding on a polyurethane (PU) protection layer; (4) assembling and connecting a touch processing module. The touchable integrated control system of the memory resin for the automobile has the advantages that (1) injection molding and surface protection treatment are completed at one step, and the processing rhythm, the processing efficiency and the yield are greatly improved; (2) a PU surface layer is high in transparency, high in scratch resistance and high in memory and can be self-repaired, and scratches can be self-repaired under the condition of heating; (3) Touchskin-class sensing components can be simultaneously subjected to injection molding, electric arrangement can be simplified by an implementation circuit, and the harness cost is saved.

The invention discloses an electric car microcomputer bus control system and a diagnosis method. The system comprises a microcomputer bus controller, an intelligent handset, diagnosis equipment, a liquid crystal instrument, an information acquisition circuit, an RS485 communication circuit, an integral vehicle light circuit, an integral vehicle power source control circuit and a power source circuit, wherein the microcomputer bus controller is connected with the intelligent handset through a wireless signal, integral vehicle state parameters are acquired by the microcomputer bus controller through the information acquisition circuit to realize control on integral vehicle equipment, the RS485 communication circuit is connected with the microcomputer bus controller and a motor controller to realize control on the electric car motor, the diagnosis equipment is further connected with the microcomputer bus controller through the RS485 communication circuit to accomplish the fault diagnosis function for the electric car, and functions of unlocking, locking, light control and fault display of the electric car can be realized by the intelligent handset through the wireless signal. The electric car microcomputer bus control system is suitable for traffic tools such as an electric bicycle or an electric tricycle.

A vehicle and a power supply system thereof. The power supply system comprises a first power supply subsystem and a second power supply subsystem. The first power supply subsystem is used for supplying power to a first part of electric equipment of the vehicle; the second power supply subsystem is used for supplying power to a second part of electric equipment of the vehicle; wherein the first power supply subsystem and the second power supply subsystem are connected through a standby power supply wire harness; the standby power supply wire harness is switched on when the first power supply subsystem or the second power supply subsystem breaks down. By adopting the scheme, the influence of the vehicle storage battery fault on the vehicle operation can be reduced as much as possible.