34results about How to "Reduce the number of harnesses" patented technology

The invention provides a whole car controller test device of an electric car. The device comprises a main control module, a simulation control module and a fault judgment module, wherein a control module and a battery management system simulation model are preset in the main control module, the battery management system simulation model can be matched with a simulation signal transmission board card in the simulation control module, and thus signal transmission between the main control module and a whole car controller to be tested is ensured. The fault judgment module tracks and records signal transmission and feedback results between the main control module and the whole car controller to be tested, the quantity of sensors and the quantity of wiring harnesses are greatly reduced, each interface does not need to be tested artificially, and a test result can be directly reflected via a software model. The test period can be greatly shortened, and the working strength of operating personnel and the operation cost are reduced.

The invention provides a zone controller. The zone controller comprises a micro-control unit, a micro-processing unit and a special integrated circuit unit, wherein the micro-control unit is used for processing control information of a vehicle body domain, a power domain and a chassis domain; the micro-processing unit is used for processing control information of an infotainment domain; the special integrated circuit unit is used for processing control information of an intelligent driving domain; and the micro-control unit is in communication connection with the micro-processing unit and the special integrated circuit unit. The micro-processing unit is in communication connection with the special integrated circuit unit, the zone controller is arranged in a control zone of a whole vehicle, the number of wire harnesses in the whole vehicle can be remarkably reduced while the control sensitivity of the vehicle is guaranteed, the development period of control software is shortened, the development cost is reduced, and maintenance and upgrading of the vehicle are facilitated.

The invention discloses an intelligent lighting system of a motor vehicle. According to the system, a three-primary-color laser light source is adopted to directly match different colored light with all intensities required by the motor vehicle, that is, light sources for multiple lamp modules of a first lamp module are provided through a laser light source module, the number of wiring harnesses for connection of the light sources and a controller of the motor vehicle is reduced, the line complexity of the lighting system is reduced, and the probability that the lighting system breaks down dueto wiring harness damage or connection errors is reduced. Meanwhile, the intelligent lighting system of the motor vehicle intelligently achieves functions of multi-area independent lighting and brightness gradient lighting of the intelligent lighting system of the motor vehicle according to the environment information through a recognition module and a light modulation module, the intelligent degree of the intelligent lighting system of the motor vehicle is improved, and the friendliness of the intelligent lighting system of the motor vehicle can be improved while the lighting effect is improved.

The invention provides a shield structure for an electronic apparatus. By adopting the shield structure, the number of screws and wiring harnesses is reduced; and by adopting a miniaturized shield box, the cost is prevented from rising, and noise radiation from a wiring substrate is stably reduced. The shield structure for the electronic apparatus includes a frame member and the shield box. The frame member is a conductive frame to which the wiring substrate is attached and covering a back surface of the wiring substrate. The shield box is formed on a front surface of the wiring substrate having an electronic component mounted thereon, to cover an area of a portion of the front surface. The wiring substrate includes a plurality of connecting portions formed thereon that ground the front surface and the back surface to the frame member. On a side on which the wiring substrate protrudes from the shield box, the shield box includes a shield wall member forming a wall surface substantially perpendicular to the wiring substrate. The shield wall member is grounded to at least one location of the connecting portions of the wiring substrate in the vicinity of the wall surface.

The invention discloses a vehicle direct current carrier frequency single-line coaxial transmission method. The method includes following steps: (1) a single-line coaxial line is provided; (2) a coding module at a sending terminal is provided, the coding module at the sending terminal is used for coding 8bit/12bit YUV video data output by an image sensor into a signal format capable of being carried at a receiving terminal and transmitted and output on DC direct current signals and transmitting the data to the single-line coaxial line; and (3) a coding module at the receiving terminal and a decoding module at the receiving terminal are provided, the single-line coaxial line transmits the data transmitted by the coding module at the sending terminal to the decoding module at the receiving terminal, the coding module at the receiving terminal is used for transmitting direct current power supply signals to the sending terminal through the single-line coaxial line, the sending terminal obtains a direct current power supply and triggers the image sensor and a coding chip to start working, and the coding module converts video signals to the format capable of being transmitted and carried on the direct current signals and sends the signals to the decoding module at the receiving terminal for decoding.

The invention relates to the field of vehicle lightlamplight control, and particularly discloses a vehicle lamplightlight assembly integrated control system which comprises an input module, a constant-voltage driving module, a constant-current driving module, a control module and an LED module. Wherein tThe input module is connected with an external power supply through a first interface, the input module transmits accessed power supply voltage to the constant-voltage driving module, and the constant-voltage driving module performs preset constant-voltage processing on the input power supply voltage and then transmits the power supply voltage to the LED module; the control module is connected with a control signal through a second interface, the control module converts the connected control signal into a control current and transmits the control current to the constant-current driving module, and the constant-current driving module performs preset constant-current processing on the input control current and then transmits the control current to the LED module. According to the integrated control system for the vehicle lamplight assemblyvehicle light assembly integrated control system, the voltage output is controlled by the constant-voltage circuit firstly, then current output is controlled by the constant-current circuit, and therefore thus the constant-voltage and constant-current effects are achieved.

The invention provides a vehicle and a low-voltage storage battery charging system, and the system comprises an operational circuit which is used for collecting a first voltage outputted by a positiveelectrode output end of a low-voltage storage battery, and outputting an activation voltage to a control unit when the first voltage is lower than a preset low-voltage threshold value, so as to wakeup the control unit; and the control unit is used for sending an awakening message to the bus after being awakened so as to awaken the energy storage system. According to the charging system of the low-voltage storage battery, on the premise of charging the low-voltage storage battery, the number of parts and the number of wiring harnesses can be reduced, and the cost is reduced.

The invention relates to a liquid crystal backlight display technology, solves the technical problem that the quantity of wire harnesses in a backlight module are large in the prior art, and provides a fixing structure for an LED light bar socket. The technical scheme adopted to solve the technical problem is that the fixing structure comprises a PCB (13), an LED lamp (11), an LED light bar socket (14) and a lead wire, wherein the LED lamp (11) is fixed on the front side of the PCB (13); a small hole for the lead wire to pass through is formed in the PCB (13); and the position of the LED light bar socket (14) corresponds to that of the small hole (15). The fixing structure has the beneficial effects that through the optimization of the fixing manner of the LED light bar socket, the quantity of wire harnesses in the backlight module is reduced, the connection mode of the light bar socket is simplified, the production line assembling efficiency is improved, and the fixing structure is suitable for a direct type LED backlight module.

The invention discloses a micro crawler tractor chassis control system based on CAN bus, which comprises an upper decision system, a CAN bus communication system and an underlying control system. Theupper decision system is responsible for making decisions, and sends the decided instructions to the CAN bus in the form of a CAN message. The underlying control system reads the corresponding messageinformation through different CAN message identifiers, obtains an execution instruction, and controls the operation of an underlying actuator to realize the control on a micro crawler tractor. The system adopts a layered control structure to avoid direct connection between each subsystem and an actuator, and solves the problem that the number of harnesses of an existing system is large and the fault diagnosis is difficult; the system uses the CAN bus for communication, has the characteristics of broadcast communication and unrestricted number of nodes in a CAN bus network. Only two wires areneeded to be connected to the outside, which solves the problem that an existing system is difficult in new system expansion, and lays a foundation for realizing the automation and intelligence of themicro crawler tractor.

The invention relates to a power window control method and system based on a LIN bus. The method includes the steps that a main power window and auxiliary power windows are initialized; the addresses of the auxiliary power windows are distributed automatically according to the on-off condition of a power source; and on-off control over the auxiliary power windows is achieved through the LIN bus by combining the addresses of the auxiliary power windows according to the button state below the main power window. The power window control system comprises a vehicle body controller, a main power window control module, auxiliary power window control modules, the LIN bus and power connecting lines. The main power window control module is connected with the vehicle body controller through the LIN bus. The vehicle body controller is connected with the auxiliary power window control modules through the LIN bus and the power connecting lines. Compared with the prior art, the power window control method and system based on the LIN bus have the advantages that intelligent control is realized, the number of wire harnesses is decreased and cost is reduced.

The invention provides an electric vehicle electronic wire harness gathering and battery heat dissipation storage structure, relates to the technical field of electronic wire harnesses, and solves the problems that after a battery is installed on an existing electric vehicle, a wire harness for connecting an electric vehicle body and the battery is located in the installation area of the battery, and if the wire harness continuously collides with the corner of the battery, breakage of the wire harness sheath may cause safety accidents, on the other hand, the heating of the battery is increased in the advancing process of the electric vehicle, and the battery does not have an effective heat dissipation space in the vehicle body. The electric vehicle electronic wire harness gathering and battery heat dissipation storage structure comprises a storage shell. A placement piece is arranged in the middle of the interior of the storage shell and is integrally in a U shape, and seven strip-shaped grooves penetrating through each other are formed in the bottom end face of the placement piece. The rectangular socket is located right in front of the wire harness groove, and the wire harness at the rear end of the rectangular socket penetrates through the wire harness groove, so that the wire harness at the rear end of the rectangular socket enters a cable storage area at the rear end of the interior of the storage shell.

The invention belongs to the field of exoskeleton robots, and relates to an exoskeleton robot electrical system. The exoskeleton robot electrical system comprises a power supply unit for supplying power to the whole electrical system, a main control unit which is used for controlling each unit, a driving unit which is used for driving an exoskeleton hip joint to move and driving a knee joint to move through traction of a steel rope, and a sensing unit which comprises a back attitude and heading reference system arranged on the back, a thigh attitude and heading reference system arranged on thethigh, a shank attitude and heading reference system arranged on the shank, a steel rope tension sensor arranged on the thigh, a foot attitude and heading reference system arranged on the foot and afoot reflection type infrared photoelectric switch sensor arranged on the foot, wherein the hip joint angle zero point determination manner is to calculate the hip joint angle zero point position through the pitch angle difference value of the back attitude and heading reference system and the thigh attitude and heading reference system. According to the electrical system, the sizes and weights ofthe exoskeleton robots can be reduced under the condition of ensuring that the human body posture data is normally acquired.

The invention discloses an integrated control system comprising a control computation module and a safety monitoring module. The safety monitoring module is connected with the control computation module, and the control computation module is integrated with a TCU, a VCU and a BMS control unit; the TCU is connected with a sensor and an actuator of a gearbox through wire harnesses; the VCU is used for control and fault diagnosis of the actuator through receiving of analog signals and digital signals and output the analog signals and digital signals; and the BMS control unit is connected with a battery acquisition board through network signals, and the TCU, the VCU and the BMS control unit are integrated into an integrated controller with high integration level. The number of the control units and the wire harnesses is reduced, and the manufacturing cost and the fault rate are reduced.

The invention provides a circuit capable of being used for static acceleration measurement and a measurement device. The measurement circuit comprises an MEMS accelerometer, a direct current amplification circuit unit and a power supply processing circuit unit. The MEMS accelerometer converts an external acceleration signal into a corresponding voltage signal and outputs the voltage signal, the direct current amplification circuit unit amplifies and adjusts the voltage signal output by the MEMS accelerometer, performs low-pass filtering and attenuates out-of-band high frequency, and the power supply processing circuit unit generates an output quiescent working point voltage and outputs the quiescent working point voltage. Meanwhile, the filtered voltage signal is further amplified; a final output voltage Vo is obtained; therefore, the maximum value of the excitation current can be 2mA by reasonably distributing the current. The static acceleration sensor not only can measure the static acceleration and is compatible with an IEPE interface, but also can ensure that the static acceleration sensor can still work normally under 2mA external excitation current, thereby being compatible with the excitation current range of most existing piezoelectric acceleration sensors.

The invention relates to a vehicle control system, equipment and a vehicle. The vehicle comprises first vehicle body equipment at least comprising a first vehicle body device and second vehicle body equipment at least comprising a second vehicle body device, and the first vehicle body device and the second vehicle body device are devices which are located at different positions of the vehicle and execute the same function. The vehicle control system comprises a first controller and a second controller; a control unit of the first vehicle body equipment is integrated in the first controller; a control unit of the second vehicle body equipment is integrated in the second controller; the first controller is connected with first vehicle body equipment and is used for controlling the first vehicle body equipment; and the second controller is connected with second vehicle body equipment and is used for controlling the second vehicle body equipment. Therefore, the problems of complex wiring harness, difficulty in maintenance and the like caused by a single vehicle body controller in the prior art are solved.

The invention discloses a camera system, a data transmission method thereof, a display screen and electronic equipment, relates to the field of optical imaging, and aims to improve the integration level of the camera system. The camera system comprises a main control chip, wherein the main control chip comprises at least one main control unit; at least one group of cameras, wherein each camera in each group of cameras comprises an image acquisition control chip; and at least one pair of bidirectional differential data lines, wherein each pair of bidirectional differential data lines is connected with one main control unit and all image acquisition control chips in one group of cameras. According to the camera system provided by the invention, information interaction can be realized between each main control unit and a group of cameras corresponding to the main control unit only through a pair of bidirectional differential data lines, so that the number of wire harnesses between each main control unit and the group of cameras corresponding to the main control unit is reduced, more cameras can be arranged in a unit area, and the use experience of the camera system is improved. And the arrangement density of the camera in the unit area can be increased.