Yazaki Corporation

Akiyoshi Kanazawa

Satoshi Enomoto

Masashi Nakamura

Masahiro Furukawa

Shuuji Satake

Ken Ito

Takashi Gohara

Kenn Itou

Yoshihide Nakamura

Tsutomu Saigo

Kazuo Sugimura

Kazuya Tsubaki

Takaaki Izawa

Nobuhiro Imaizumi

Atsushi Takahashi

Kazuhiro Kubota

Makoto Uda

Tatsuaki Oniishi

Tomokazu Kato

Yoshio Shionome

Yoshimitsu Maejima

Kazuki Kato

A wire harness manufacturing system includes a conduction inspection device configured to inspect a conductive state at a position of other end of each of a plurality of sub-harnesses in a state that one end of each of the plurality of sub-harnesses is connected to a control box, and an information writing device configured to write terminal information of the plurality of sub-harnesses in a box side storage portion of the control box.

Wire harness manufacturing system and wire harness manufacturing method

A power supply system includes a high voltage battery, a first DCDC converter connected to the high voltage battery, a low voltage lead battery configured to be charged from the high voltage battery via the first DCDC converter, a low voltage lithium battery connected to a low voltage power supply circuit, the low voltage lead battery, and a load, a second DCDC converter connected to the low voltage power supply circuit and disposed between the low voltage lead battery and the low voltage lithium battery, a bypass circuit connected to the low voltage power supply circuit to bypass the second DCDC converter, and a control device configured to watch the low voltage lithium battery and control on/off of a switch unit provided in the bypass circuit.

Power supply system, DCDC converter device, and charging method

A method for manufacturing a wire harness includes: disposing a trunk harness, a branch harness and control boxes on a workbench and attaching the trunk harness and the branch harness to the control boxes; connecting the control boxes to an external device via the branch harness; and switching operation mode of at least one of the control boxes to an information writing mode for inputting information for operating the electric component to be connected to the branch harness into the at least one of the control boxes and then inputting the information from the external device into the at least one of the control boxes via the branch harness.

Wire harness manufacturing method and wire harness

A circuit body for a vehicle is wired on a vehicle body of the vehicle for performing supply of electric power to an electrical component and communication of various communication signals with the electrical component. The circuit body includes: a plurality of control boxes separately disposed on the circuit body and capable of controlling input and output of at least one of the electric power and the communication signal; a trunk line harness connecting one of the plurality of control boxes and another of the plurality of control boxes; and a branch line harness connecting the control box and the electrical component. The trunk line harness includes a power line for transmitting electric power and a communication line for transmitting communication signals in a separated state. An end portion of the power line and an end portion of the communication line are connected to the control box.

Circuit body for vehicle and manufacturing method of circuit body for vehicle

A circuit body for a vehicle is wired on a vehicle body of the vehicle for performing supply of electric power to an electrical component and communication of various communication signals with the electrical component. The circuit body includes: a plurality of control boxes separately disposed on the circuit body and capable of controlling input and output of at least one of the electric power and the communication signal; a trunk line harness connecting one of the plurality of control boxes and another of the plurality of control boxes; and a branch line harness connecting the control box and the electrical component. The circuit body has a loop structure in which at least part of the plurality of control boxes are annularly connected via the trunk line harness.

Circuit body for vehicle

A circuit body for a vehicle includes: a plurality of control boxes capable of controlling input and output of at least one of electric power and a communication signal; a trunk line harness connecting one of the plurality of control boxes and another of the plurality of control boxes; and a branch line harness connecting the control box and the electrical component. The control box includes: a trunk line connecting portion to which the trunk line harness is connected; and a branch line connecting portion to which the branch line harness is connected. At least one of the trunk line connecting portion and the branch line connecting portion includes a plurality of connectors which are classified into a plurality of groups according to an allowable current amount and in which a plurality of the connectors classified into the same group have connection compatibility.

A circuit body for a vehicle includes: a plurality of control boxes dispersedly arranged on the circuit body; a trunk harness connecting one of the control boxes to another of the control boxes; and a branch harness connecting the control boxes to the electric component. The control boxes, the trunk harness and the branch harness are configured to ground a power circuit and a signal circuit through grounding routes different from each other. The power circuit supplies the electric power from a power source to the electric component through the control boxes. The signal circuit transmits a communication signal between the control boxes and the electric component and between one of the control boxes and another of the control boxes.

A circuit body for a vehicle is wired on a vehicle body of the vehicle for performing supply of electric power to an electrical component and communication of various communication signals with the electrical component. The circuit body includes: a plurality of control boxes separately disposed on the circuit body and capable of controlling input and output of at least one of the electric power and the communication signal; a trunk line harness connecting one of the plurality of control boxes and another of the plurality of control boxes; and a branch line harness connecting the control box and the electrical component. At least one of the plurality of control boxes is grounded via the electrical component connected to the branch line harness.

ECUhas a function for discarding data when continuous dominant equal to or greater than 6 bits is received during data reception. A data excluding deviceis connected to a busto which the ECUis connected. When ID of data received through the busmatches ID of an illegal ECU detected by a theft sensor, the data excluding deviceoutputs 7 bits continuous dominant to the bus, and then stops output of the dominant.

Data excluding device

A slave control device receives a communication signal from a master control device, and controls loads according to the received communication signal. A modulator superimposes the communication signal from the master control device on power source lines, and a demodulator demodulates the communication signal superimposed on the power source lines and supplies the demodulated communication signal to the slave control device. The modulator is provided on power source lines on a battery side, and the demodulator is provided on the power source lines on a load side. The modulator superimposes the communication signal on the power source lines which are on a side closer to the loads with respect to the modulator among the power source lines.

Communication system

Disclosed is a power supply unit reducing deterioration of power loss caused by cables. A connector connecting a power line Lconnected to a battery and a plurality of ramp loads is attached to a holder housing at least one of the plurality of ramp loads. The connector is provided with: a pressure-bonding power source terminal to which the power line Lis connected and power is inputted, a first branch circuit branching one power line inputted from the pressure-bonding terminal into a plurality of branch lines, a plurality of tub-like power source terminal, pressure-bonding power terminals each connected to the plurality of branch lines branched by the first branch circuit and outputting power to each ramp load; and a housing housing them.

Power supply unit

A battery state notifying unit, a bus bar module, a battery pack and a battery state monitoring system are provided, and allow for reduction of the number of electric wires guided to a unit monitoring a battery state, and the signal voltage applied to the electric wires. A battery power source system is provided with a battery state notifying unit corresponding to each battery pack. The battery state notifying unit generates battery state information indicating the electrode voltage and temperature of the battery cells 21, and transmits the battery state information to the battery state monitoring unit. The battery state information is based on a cell voltage signal corresponding to electrode voltage outputted from terminal fittings of the battery pack, and a cell temperature signal corresponding to voltage outputted from the temperature sensor.

Battery state notifying unit, bus bar module, battery pack, and battery state monitoring system

An electronic key system enabling to improve security against vehicle theft is provided. A smart ECU acquires encrypted data from an electronic key. When all identification data stored in a memory and a memory of an electronic component embedding connector correspond to the identification data transmitted from the electronic key, the smart ECU cancels security and permits operations of a door lock driving unit, a steering lock driving unit, and an engine control unit.

Electronic key system

Disclosed is a crimp machine capable of eliminating product management for a relay connector per an ID. In the crimp machine, by a power source line, a ground line, and a signal line being positioned between a terminal mount table to which a crimp connector disposed in the relay connector is mounted and a crimp blade, and by the crimp blade being move close to a terminal mount table, the power source line, the ground line, and the signal line are thus crimped, wherein a connection terminal is disposed on the terminal mount table and an ID is made to output from the connection terminal.

Crimp machine and crimp system

There is provided a communication address detection apparatus, a connector with a built-in control circuit, and a communication address detection method capable of preventing abnormal operations even in cases when a voltage level to be input to any one of a plurality of communication address setting terminals has inverted due to some faults. In a communication address detection apparatus for detecting a communication address in accordance with a combination of voltage levels of high or low levels input to a plurality of communication address setting terminals, the combination of the voltage levels with the assigned communication address is set which is stored in a communication address information storing unit () is set so as to become a combination of the voltage levels that has no assigned communication address when any one of the voltage levels in the combination of the voltage levels has inverted.

Growing community of inventors

Susono, Japan

Akiyoshi Kanazawa