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

A power supply apparatus for a sliding structure, which can be arranged in a small space in the sliding structure, the power supply apparatus including 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 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 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 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.