156results about How to "Reduce wiring harness" patented technology

The invention discloses an AGV (automatic guided vehicle) control platform having a distributed structure, which comprises a main node and three secondary nodes which are communicated through LIN (local interconnect network) bus bidirectional data, wherein the three secondary nodes are mutually independent and all have LIN interface modules for communicating with the main node based on the LIN bus communication and specific local identifiers; the main node comprises a main control board, an LIN interface module, an infrared tracking module, a motor driving module and a power supply module; and each secondary node comprises a driven control board for controlling and feeding back the AGV running and acquiring the tracking information for the main node to process procedures, an ultrasonic barrier-avoiding module, a temperature detection module, a vehicle acceleration inclining-detection module, a vehicle infrared left-wheel speed-measuring module, an electric quantity detection module and a vehicle infrared right wheel speed-measuring module. By using the LIN bus technique to realize the connection between sensors in the AGV system, the wires are reduced while the maintaining cost is lowered. Because of the high reliability and high anti-interference property, the whole system is more stable and reliable.

The invention provides a fingerprint-based speed limiting device of an automatic transmission automobile, and a control method thereof, belonging to the technical field of automobiles. The problem that the highest driving speed is not limited through fingerprint identification corresponding to different identities can be solved by the invention. The device comprises a fingerprint sensor for acquiring biological fingerprints and an EMS (electronic monitoring system), wherein an electronic air throttle and a fingerprint identification controller are respectively connected on the EMS, the fingerprint identification controller is connected with the fingerprint sensor, a host interface is further connected on the fingerprint identification controller, the fingerprint identification controller is used for receiving fingerprint data detected by the fingerprint sensor, performing storage, comparison and deletion on the fingerprint data in a fingerprint database according to input signals of the host interface and outputting a set control speed limiting signal to the EMS, and the EMS is used for controlling the opening degree of the electronic air throttle. The control method comprises the following steps of: A. performing fingerprint identification and registration; B. judging the control conditions for starting speed limitation; and C. judging fingerprint information. The device and the method are based on a fingerprint identification technology and can limit the highest driving speed for different users.

The disclosed experiment device for mixed-power vehicle power assembly comprises: a motor connected to the engine and clutch and the power supply through an inerter, a power analyzer connected to the detector, the supply and the sensor in motor loop to analyze collected different currents and record working state precisely; a cell management unit, a motor controller, and other controllers for motor, gear-box, and multi-energy, and a meter unit all connected to the detector by CAN bus.

A control system for the automobile using mixed power features that its controller for multiple energy sources, motor controller, accumulator managing unit, engine managing unit, ABS controllr and TCU controller are connected via CAN bus, and said controller for multiple energy sources is serially connected between electronic throttle pedal and electronic air throttle for controlling both engine and electric motor.

The invention provides a distributed automobile line control steering system, which is disposed between a steering wheel and a direction steering machine connected on a wheel, the distributed automobile line control steering system comprises a FlexRay bus, several FlexRay nodes, a rotation angle torque sensor, a road sensing motor, a displacement sensor, and a steering motor, the rotation angle torque sensor and the road sensing motor are both connected with the steering wheel, the displacement sensor and the steering motor are both connected with the steering machine, the rotation angle torque sensor, the road sensing motor, the displacement sensor, and the steering motor are respectively connected with a different FlexRay node in the several FlexRay nodes, all the FlexRay nodes in the several FlexRay nodes are connected with the FlexRay bus. The distributed automobile line control steering system and the control method are advantageous in that, a distributed redundant structure is adopted, and a FlexRay communication protocol is used, facilitating reduction of automobile wire harness, the distributed automobile line control steering system and the control method are also advantaged by good capacity expandable performance, open performance, real time performance, and high reliability, convenient debugging, and facilitation of safety guarantee.

The invention discloses a vehicle-mounted control system with a domain control function and an upgrading method, and relates to the technical field of automotive electronics. The system compires a central domain controller and a display device, the display device is connected with the central domain controller through an LVDS interface; a vehicle-mounted electronic module is connected with the central domain controller through the Ethernet; and a gateway connected with the central domain controller through a CAN interface and the Ethernet, wherein the input signal processing unit receives andprocesses signals of the gateway and the vehicle-mounted electronic module, and then the output driving circuit unit sends the signals to corresponding display devices for display through an LVDS interface and sends the signals to the vehicle-mounted electronic module for execution through an Ethernet communication interface. Due to the fact that the central domain controller is introduced, vehicle-mounted electronic modules, display equipment and the like which can use the same interface and communication protocol are concentrated, the interface and the communication protocol can be degenerated, the mutual dependence between wire harnesses and parts is reduced, a vehicle-mounted control system of an automobile is safer, and the flexibility of the system is improved.

The invention relates to a tire pressure monitoring system, which is suitable for an automobile with a first component and a replaceable second component. The tire pressure monitoring system comprises a register, a repeater and a receiver. The register is used for wirelessly transmitting a registration code corresponding to the automobile; the repeater is arranged on the second component and is used for forwarding second tire information transmitted by a tire pressure transmitter for each tire on the second component, and when the repeater receives the registration code, the second tire information is added to the registration code and then is forwarded; and the receiver is arranged on the first component and is used for receiving the second tire information, wherein when the registrationcode contained in the second tire information is consistent with the registration code of the automobile saved by the receiver, the receiver uses the second tire information as the tire information of the automobile for processing. The tire pressure monitoring system can realize the registration during exchanging a trailer of a truck in a simplified and reliable mode.

The invention provides a multiline laser radar based on a plurality of lasers. The multiline laser radar comprises a rotor; a stator; a carrier provided with a plurality of laser devices and disposed within the rotor; and a light collimating device. The projection points of the laser devices on the carrier have a density distribution in the vertical direction on a vertical plane including the principal axis of the light collimating device. The light collimating device is arranged in the rotor. The multiline laser radar of the invention has advantages such as a high vertical angle resolution, a high horizontal angle resolution, a high scanning frequency, a more accurate scanning result, etc.

The invention relates to a controller, which aims at realizing the functions of the network controller that interconnecting different networks by gateway, collecting and analyzing the information of the systems in a vehicle and controlling output. The technical proposal of the invention is that the network controller of the vehicle comprises a micro-controller unit, a power management module connected with the micro-controller unit, a clock vibrator module, a reset module, a CAN communication module and / or a LIN communication module; wherein the micro-controller unit is communicated with equipment connected on the vehicle network through the CAN communication module or the LIN communication module to receive the information of the equipment and transmit control message to the equipment; the micro-controller unit is connected with other electronic devices, such as an instrument, a vehicle body control system and an upper computer in the vehicle through the CAN communication module on the micro-controller unit; a wireless access module is also arranged in the controller; and the micro-controller unit transmits the information to a remote terminal through the wireless access module, so as to forward a control command of the remote terminal to the devices in the vehicle.

A battery pack locked to a vehicle body for mounting to and detaching from the vehicle body. A battery case (20) is provided with an extension part (19P) extending to above a battery cell accommodating part. The extension part (19P) includes a handle (34) including a grip part (78) having an orientation set so as to extend in the vehicle longitudinal direction when the battery case is mounted on the vehicle. The handle (34) is provided on the battery case (20) in the state of being deviated toward either of vehicle-width-directionally left and right sides. A lock device (32) attached to a main frame (3) of the electric vehicle (1) is provided with a lock pin (323) that is advanced and retracted. The extension part (19P) on the battery case (20) side is provided with an engagement hole (62) for accepting the lock pin (323), the engagement hole being formed in either of side surface portions in the longitudinal direction of the electric vehicle (1).

The invention discloses a power distribution box for an electric car, which belongs to the field of electric car circuits. The power distribution box comprises a shell and an electronic system arranged in the shell, wherein the electronic system comprises a high-voltage discharging circuit, a charging circuit, a control module and a battery connector assembly for being connected with a battery of the electric car, the high-voltage discharging circuit comprises a motor controller circuit, a direct current converter circuit, a heater circuit and an alternating current power supply circuit, and the motor controller circuit, the direct current converter circuit, the heater circuit and the alternating current power supply circuit are all connected with the battery connector assembly; the charging circuit comprises a quick charging circuit and a slow charging circuit, and both the quick charging circuit and the slow charging circuit are connected with the battery connector assembly; and the control module is used for control the connection and disconnection between at least one of the motor controller circuit, the DC converter circuit, the heater circuit, the AC power supply circuit, the quick charging circuit and the slow charging circuit and the battery connector assembly. By adopting the power distribution box, the cost of the whole car is decreased.

The invention discloses an automobile body control system. The automobile body control system comprises a front automobile body controller and a rear automobile body controller, the front automobile body controller communicates with the rear automobile body controller by using LIN bus, wherein the integration of a small relay module at front warehouse, a backing radar module and a rear - view mirror folding module is arranged on the rear automobile body controller. The system enhances the anti-interference performance and reliability of the automobile body control system, improves the rate of information transmission so as to make the automobile controlling more intelligent and strengthen the security of automobiles, and meets the requirements of users at utmost.

The present invention shortens the harness of a power supply system which is thick, heavy and difficult to assemble as much as possible to improve workability in a saddle-type vehicle, such as an automatic two-wheeled vehicle, and reduce the weight and cost of the saddle-type vehicle. An air cleaner (29) and a fuel tank (30) are both disposed toward the rear so as to be posteriorly separated from a head pipe (6). A regulator (41), a relay box (42), and a fuse box (43) are disposed in an electronic component installment space (S) located between the head pipe (6) and the air cleaner (29) and the fuel tank (30). The fuel tank (30) is disposed toward the rear such that the rear end portion of the fuel tank (30) is positioned more rearward and downward than the rear end of a main frame (8).

The invention discloses a step motor coil device, which is used for an electronic expansion valve of an air conditioner, which comprises a coil winding (1) and a driving circuit board (2), wherein a driving interface (21) and a circuit board bus interface (22) are arranged on the driving circuit board (2), the driving interface (21) is connected with the coil winding (1), the air conditioner comprises a main control board, a main control board bus interface is arranged on the main control board, and the circuit board bus interface (22) is connected with the main control board bus interface. Through the structure design of the device, the main control board structure of the electronic expansion valve can be simplified, and in addition, wire beams connected with the main control board are reduced. In addition, the invention also discloses the electronic expansion valve comprising the step motor coil device.

The invention relates to a trolley circuit system which is based on CAN bus, which belongs to the technical field of means of transport. A trolley circuit system which is based on CAN bus is characterized in that the invention comprises a main control and instrument unit, a switching value unit, an analog quantity unit, an H-CAN bus unit and an L-CAN bus unit, and the main control and instrument unit is respectively connected with the switching value unit, the analog quantity unit, the H-CAN bus unit and the L-CAN bus unit to communicate through an interface. A trolley circuit system of the invention which is based on a CAN bus adopts a CAN bus technique to substitute traditional electrical control proposal, which utilizes a main control and instrument unite to communicate with a CAN bus node, the analog quantity unit and the switching value device, and the system can be simplified to design, which reduces control conductor wire harness, improves reliability of various electrical control devices, is convenient for repairing and detecting, and lowers installation and debugging cost.

A single line bidirectional communication method of a reconfigurable controller belonging to the technology field of communication engineering is provided. Through upper computer interface conversion module, the invention transforms positive and negative logical signals of serial communication into difference voltage signal and sends to a signal processing module, wherein, a microprocessor is for processing and responding to delivered message protocol, conversely, the information can also be sent from reconfigurable controller to the upper computer, and the delivered message protocol can be responded by the upper computer, during responsion, corresponding operations are executed according to different operating commands, the commands comprise starting parameterization, reading erasable memorizer operation, writing erasable memorizer operation, whole piece erasure operation of the erasable memorizer, stopping parameterization; during the operation execution, the communication state is displayed in real-time according to real-time communication state. By utilizing the characteristic of single line communication in the invention, wire harnesses are reduced for more than a half than universal serial or other wired communication, thereby realizing the stability of information interaction and data transferring of each numerical module.

The embodiment of the invention provides a battery management system and an electric vehicle and relates to the technical field of electric vehicles. The battery management system comprises a controller, a first acquisition module and a second acquisition module, the controller is electrically connected with the first acquisition module and the second acquisition module through a daisy chain, thefirst acquisition module and the second acquisition module are electrically connected with a battery pack, and the battery pack comprises a plurality of single batteries; the first acquisition moduleis used for acquiring voltage information and temperature information of each single battery; the second acquisition module is used for acquiring total current information and total voltage information of the battery pack; the controller is used for monitoring and managing the battery pack according to the voltage information, the temperature information, the total current information and the total voltage information. The system has the advantages of being low in cost and meeting the functional safety ASIL C requirement.

The invention relates to a method for LIN-based intelligent grid network control. The method comprises a step (1) of arranging an intelligent grid module on a grid to form an intelligent grid; a step (2) of performing a full vehicle state judgment by an engine management system; a step (3) determining, by the engine management system, grid opening and closing and / or opening range according to judgment results of the step (2); a step (4) of causing the engine management system to communicate with the intelligent grid module through a LIN bus; and a step (5) of implementing opening and closing control of the intelligent grid and / or fault query through the communication in the step (4). By the communication between the engine management system and the intelligent grid module through the LIN bus, the opening and closing control of the grid and fault query are implemented, a harness is simplified, the cost is reduced, fuel economy is improved, the wind resistance coefficient and oil consumption are reduced, and the network communication efficiency and reliability are improved.

The invention pertains to the field of water-electrolytic hydrogen making and power generation by a micro turbine and relates to a combined water-electrolytic hydrogen making and power generating machine made up of a micro turbine and a switched reluctance motor, including the micro turbine, a high-speed switched reluctance motor and water-electrolytic hydrogen making equipment; wherein the micro turbine is directly connected with the high-speed switched reluctance motor by a shaft and the current of the switched reluctance motor is connected with the grid through an inverter. The input end of the inverter is also connected with a DC-DC converter, which provides electric energy for the water-electrolytic hydrogen making equipment. The hydrogen produced by the water-electrolytic hydrogen making equipment serves as the fuel of the micro turbine. The combined power generator makes use of the direct connection between the micro turbine and the high-speed switched reluctance motor and simultaneously adopts the power generating method by which the water-electrolytic hydrogen making equipment is adopted to improve the efficiency of the micro turbine system so as to realize more proper recycling use of the energy.

The invention relates to a vehicle instrument system, which comprises a controller local area network bus for transmitting a controller local area network bus signal and a first controller local area network module coupled to the controller local area network bus. The first controller local area network module is used for receiving a controller local area network bus signal transmitted from the controller local area network bus and converting the controller local area network bus signal into an information signal. The vehicle instrument system further comprises an instrument panel and a processor which is coupled with the first controller local area network module and the instrument panel. The processor is used for receiving the information signal and controlling the instrument panel to display information corresponding to the information signal.

The invention discloses an accelerator switching method, an accelerator switching system and an engineering machine. The accelerator switching method is applied to switching of an accelerator of the engineering machine and includes the steps of judging whether the engineering machine needs work of a remote accelerator or not, if needing, then sending an accelerator switching signal to an electronic control unit of an engine by means of bus communication through a controller and controlling the remote accelerator to work by the electronic control unit, and if the engineering machine needs work of a master accelerator, sending a remote accelerator off signal to the electronic control unit of the engine by means of bus communication through the controller and then controlling the master accelerator to work through the electronic control unit. With the accelerator switching system, driving and construction of the engineering machine can be guaranteed well.

The invention discloses a multi-node vehicle control system for a small racing car. The multi-node vehicle control system comprises a front cabin acquisition ECU, a panel interaction ECU, a vehicle control ECU, a vehicle isolation CAN bus, an accelerator angular displacement sensor, a steering wheel angle sensor, a front wheel speed sensor, a braking angular displacement sensor, a mode control knob, a high-voltage closing button, a motor enabling button, a buzzer, a brake lamp and a drive system indicator lamp. The control system uses the vehicle isolation CAN bus for receiving and sending data, multiple CAN nodes are adopted so that wiring harnesses can be effectively reduced, and data acquisition and processing are more convenient and efficient; meanwhile, the multiple ECUs are adopted, each ECU can achieve data acquisition, human-computer interaction and vehicle control functions, the purpose that multiple tasks are conducted at the same time is achieved, the response speed is increased, and stability is improved; and by the adoption of the control system, a control program is more convenient to write and debug, and the system is more suitable for the FSAE pure electric formula racing car.

The invention discloses a multi-sensor automobile racing state information acquisition system. The objective of the invention is to solve the problems of functional simplicity, difficult data acquisition and poor data sharing of an automobile racing data acquisition system. The multi-sensor automobile racing state information acquisition system includes a Freescale single-chip microcomputer, a wheel speed sensor, a GPS, an engine ECU, a data acquisition device, a battery and a voltage-regulator chip; the battery and the voltage-regulator chip are connected with the Freescale single-chip microcomputer sequentially; the wheel speed sensor, an acceleration sensor, a rotation angle sensor, a suspension displacement sensor and the GPS are connected with the 5V ends of the Freescale single-chip microcomputer and the voltage-regulator chip; the engine ECU and the data acquisition device are connected with the 12V end of the battery; the signal line of the wheel speed sensor is connected with the pulse counting port of the Freescale single-chip microcomputer; the signal line of the rotation angle sensor and the signal line of the suspension displacement sensor are connected with the AD ports of the Freescale single-chip microcomputer; and the GPS is connected with the UART_TXD serial port and UART_RXD serial port of the Freescale single-chip microcomputer.

The invention discloses a vehicle inverter comprising a housing; a cooling base plate disposed between the housing and a motor; an upper cover fixed to an upper end of the housing for sealing the opening in the upper end of the housing, wherein the cooling base plate is fixed with a capacitor, a power module, a current sensor and an AC terminal block; the upper cover is fixed with a DC terminal block; and a circuit board is arranged above the power module and the current sensor. According to the vehicle inverter of the present invention, the power module, the circuit board, the capacitor, the current sensor and the AC terminal block are integrated on the cooling base plate through a specific position relation; the upper cover is installed on the housing; the DC terminal block is integrated on the upper cover of the inverter to reduce busbars and sensor wire harnesses in other inverters so as to satisfy requirements for a more compact structure, a better heat radiation effect, higher electromagnetic compatibility, high reliability and axial arrangement with the motor of the vehicle inverter.

The invention relates to the technical field of automatic adjustment of automobile headlamp low beams and discloses an automobile lamplight automatic adjusting method and system. The automobile lamplight automatic adjusting method includes the following steps that a light adjustment control unit acquires and analyzes axial accelerated speed and angular speed data obtained by a G sensor installed in the light adjustment control unit; the light adjustment control unit obtains automobile information through an automobile body bus and recognizes the state of an automobile; the light adjustment control unit calculates the current automobile head inclination angle of the automobile according to the axial accelerated speed data; and according to the state of the automobile, the light adjustment control unit controls a light adjustment execution mechanism to adjust the irradiation distance of headlamps according to the automobile head inclination angle and selectively according to the angularspeed data. Light adjustment accuracy is high, no external equipment is needed, the cost of the whole system is reduced, the risk that the whole system fails due to the severe use environment of an automobile chassis is avoided, and the maintenance problem of a height sensor is solved.

The invention relates to a high-energy-density power battery pack integrated structure and a new energy automobile. The high-energy-density power battery pack integrated structure comprises a water-cooling integrated box body, a battery cell structure, a battery management system and a battery system distribution box, wherein the water-cooling integrated box body comprises a lower box body structure and an upper box body cover covering the lower box body structure, and a battery cell accommodating cavity is defined between the lower box body structure and the upper box body cover; the batterycell structure comprises a plurality of single battery cells arranged in the battery cell accommodating cavity, and a busbar structure electrically connected with the plurality of single battery cells; the battery management system is arranged at the end part of the water-cooling integrated box body and is electrically connected with the single battery cells through a sampling line structure; andthe battery system distribution box is arranged at the end part of the water-cooling integrated box body, corresponds to the battery management system up and down, and is electrically connected with the single battery cells through a busbar structure. According to the invention, the problems of low grouping efficiency, complex structure, low integration level, high cost and complex production andprocessing of the module integrated battery pack in the prior art can be solved.

The invention relates to the technical field of truck braking, and provides a quick-plug brake alarm which comprises a wear head detachably inserted into a brake shoe, a wear alarm line used for beingworn off by a brake lining to give an alarm, and a temperature sensor used for sensing the temperature of the brake lining. The wear alarm line and the temperature sensor are both integrated on the wear head, and the wear alarm line and the temperature sensor are connected to a vehicle-mounted ECU through signal transmission lines. The invention further provides a brake mechanism which comprisesa brake shoe, a brake lining and a quick-plug type brake alarm, and the brake shoe is provided with a mounting hole allowing the wear head to be inserted into and extend to the brake lining. Accordingto the quick-plug brake alarm and the brake mechanism, a quick-plug type form is adopted, and the wear alarm line and the temperature sensor are integrated on the quick-plug type wear head, so that the wear monitoring problem can be solved, the temperature monitoring problem can also be solved, and parts are prevented from being disorderly distributed at the brake shoe.

The invention discloses a wireless car body control module. The wireless car body control module comprises a microcontroller, a low-frequency driving circuit and a radio frequency receiving circuit, wherein the low-frequency driving circuit and the radio frequency receiving circuit are connected to the microcontroller, and the low-frequency driving circuit is provided with a plurality of low-frequency antennas for converting current signals into magnetic field signals. The wireless car body control module drives the low-frequency antennas to emit a low-frequency magnetic field through adjustable output current, the magnetic field intensity of the low-frequency magnetic field varies with driving current, high-frequency signals are received through the radio frequency receiving circuit, and the wireless car body control module positions and controls a front wiper blade module, a rear wiper blade module, a left front lamp module, a right front lamp module, a left rear lamp module, a right rear lamp module, a left front door module, a right front door module, a left rear door module, a right rear door module and an instrument module which are arranged on a car body through a bi-directional multi-channel wireless signal channel comprising the low-frequency driving circuit and the radio frequency receiving circuit. The wireless car body control module has the advantages of reducing wiring harnesses on a car, being convenient to install, and improving the reliability.

The invention relates to the technical field of a vehicle-mounted camera, in particular to a driver monitoring infrared camera device and an image brightness control method, comprising a processor unit and an infrared camera module. The infrared camera module comprises a power module, a lens, an image sensor, an image processing module, an LVDS serializer and a second coaxial connector connected in sequence, and an LED, an LED driving module, a second B2B connector and a first B2B connector connected in sequence. The second coaxial connector and the first B2B connector are powered by the powersupply module; The image processing module is respectively connected with the LED driving module and the first B2B connector. The second coaxial connector is connected to a first coaxial connector ofthe processor unit. The invention aims to provide a driver monitoring infrared camera device, which solves the technical problems that the existing infrared camera device has many wire harnesses, theinstallation position is difficult to confirm, the infrared LED module generates heat and the camera size is large.

The invention relates to an automotive four-motor controller and a control system. The controller comprises a master control unit, a bus voltage detection unit, a drive signal output unit, a position signal processing unit, a current signal processing unit, a temperature signal processing unit and a bus unit, wherein the master control unit is used for generating four paths of drive signals; the bus voltage detection unit is used for collecting direct current bus voltage; the drive signal output unit is used for outputting the four paths of drive signals; the position signal processing unit is used for collecting rotating speed and position signals of four motors; the current signal processing unit is used for collecting current signals of the direct current bus and the four motors; the temperature signal processing unit is used for collecting cooling water temperature of the motors and the controller; the bus unit is used for connecting the master control unit and an automobile control unit; and the master control unit is in two-way connection with the bus voltage detection unit, the drive signal output unit, the position signal processing unit, the current signal processing unit, the temperature signal processing unit and the bus unit respectively. According to the automotive four-motor controller, the number of the motor controllers can be reduced; and the wire harness arrangement is optimized, so that the reliability of an electric automobile control system is improved.