JP2002233029A - Electric device for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric device for automobile which suppresses lowering of production efficiency of wiring harness to be connected and suppresses lowering of the yield of the wiring harness. SOLUTION: The electric device 100 for automobile has a plurality of auxiliaries 4. The auxiliaries 4 have each a connector 5. Connectors 3a, 7a of the wiring harness are connected to the connectors 5. Each connector 5 has a common signal receiver 110. The common signal receiver 110 has a plurality of storing rooms 102, 103 and 104, 105, 106, 107 and 108. The arrangement of storing rooms 102, 103, 104, 105, 106, 107 and 108 is identical among the plurality of auxiliaries 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric device for an automobile having a plurality of auxiliary machines.

[0002]

2. Description of the Related Art An automobile as a moving body is equipped with a large number of various accessories such as various lamps, various motors, and a switch device for operating these. The car is
Wire harnesses are provided for supplying power supplied from a battery or the like, control signals for controlling these auxiliary devices, and the like to the various auxiliary devices described above.

[0003] The wire harness includes a plurality of electric wires and connectors attached to the ends of the electric wires. The wire has a conductive core wire, a so-called covered electric wire having an insulating coating portion. The plurality of electric wires are bundled according to a pattern arranged on the vehicle.
The connector includes a terminal fitting attached to an end of the electric wire, a connector housing for accommodating the terminal fitting, and the like.

[0004] In the wire harness, the connector is connected to the connector of the auxiliary machine by a connector, and these auxiliary machines are connected to each other and transmit the aforementioned signals and the like.
Of course, the connector of the auxiliary machine has a receiving terminal or the like that can be connected to the terminal fitting of the wire harness.

When assembling the wire harness,
First, for example, a terminal fitting is crimped or press-contacted to each end of an electric wire using a crimping machine shown in JP-A-10-154568 or a crimping machine shown in JP-A-9-115639. Attach. And Japanese Patent Application Laid-Open
The electric wires are joined to each other using a joint crimping machine, a resistance welding machine, or the like shown in JP-A-112229.
Further, the terminal fitting has been inserted into the terminal receiving chamber of the connector housing by using an insertion device or the like disclosed in Japanese Patent Application Laid-Open No. H10-112229.

[0006] At least two of the plurality of accessories described above include, for example, power supplied from a power supply device mounted on the vehicle, grounding of the vehicle, and the like.
A switch illumination increase signal for gradually increasing the illumination of the display unit of the switch device mounted on the vehicle, a switch illumination reduction signal for gradually decreasing the illumination of the display unit of the switch device, and a pair of electric wires A common signal shared by a plurality of auxiliary devices, such as a pair of multiplex communication signals flowing simultaneously in opposite phases to each other, is input.

[0007] In this specification, the term "ground" indicates that the earth circuit is connected to the earth circuit so that the potential is equal to that of the earth circuit.

[0008]

In the above-described accessory mounted on an automobile, the pattern in which the receiving terminals are arranged in the connector is, for example, shown in FIGS. 32 (a) and 32 (b).
As shown in FIG.

In FIGS. 32 (a) and 32 (b),
Reference numeral 201 indicates a connector housing of the connector of the auxiliary machine described above. 32 (a) and 32 (b), a terminal accommodating chamber for accommodating a receiving terminal to which power from the power source is supplied is denoted by a reference numeral PWR, and a terminal for accommodating the receiving terminal connected to the ground. A housing room is indicated by GND, a terminal housing room for receiving the receiving terminal to which the switch illumination increase signal is supplied is indicated by ILL +, and a terminal housing room for receiving the receiving terminal to which the switch illumination reduction signal is supplied is indicated by code. ILL-, and the terminal accommodating chambers accommodating the receiving terminals to which the pair of multiplex communication signals are supplied are indicated by MPX + and MPX-, respectively.

As described above, conventionally, the arrangement of the receiving terminals in the connector housing 201 differs for each accessory. Further, another terminal accommodating chamber may accommodate the receiving terminal or may not accommodate the receiving terminal.

For this reason, when designing the wire harness or assembling the wire harness, the location for accommodating the terminal fitting is naturally different for each connector connected to the accessory. For this reason, when assembling the wire harness, since the location for accommodating the terminal fitting differs for each connector, it is conceivable that a worker mistakes the location for accommodating the terminal fitting. In this case, the labor required for assembling the wire harness increases, and the yield of the wire harness may be reduced.

Further, when assembling the wire harness, since the location for accommodating the terminal fittings differs for each connector, there is a possibility that the connection between the wires of the wire harness may be complicated. In this case, the labor required for assembling the wire harness is further increased, and the yield of the wire harness may be further reduced.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an electric device for an automobile which can suppress a decrease in production efficiency of a connected wire harness and a decrease in yield.

[0014]

According to a first aspect of the present invention, there is provided an electronic apparatus for a vehicle, comprising: a plurality of auxiliary devices; A wire harness connected to the vehicle and transmitting a plurality of shared signals used by two or more of the plurality of auxiliary devices is connected to the vehicle, and two or more of the plurality of auxiliary devices are And a shared signal receiving unit capable of receiving the plurality of shared signals, and the shared signal receiving unit is provided for each of the shared signals, and is a terminal fitting for an auxiliary machine that can be connected to a terminal fitting of the wire harness. And an auxiliary equipment terminal accommodating chamber capable of accommodating the auxiliary equipment terminal fitting, wherein the auxiliary equipment terminal accommodating chamber is provided for each of the shared signals, and two or more auxiliary equipment of the auxiliary equipment are provided. The common signal receiving section of the Is characterized by an auxiliary terminal fitting provided for each, they can be arranged in the same arrangement with each other.

According to a second aspect of the present invention, there is provided an electric equipment for an automobile according to the first aspect, wherein the common signal comprises: electric power supplied from a power supply mounted on the automobile; A switch illumination increase signal for gradually brightening the illumination of the display unit of the switch device mounted on the vehicle, and a switch illumination reduction for gradually dimming the illumination of the display unit of the switch device mounted on the vehicle. It is characterized by comprising two or more of a signal, a pair of multiplex communication signals flowing simultaneously in opposite phases to each of a pair of electric wires, and a traveling state signal indicating a traveling state of the automobile.

According to a third aspect of the present invention, there is provided an electric equipment for an automobile according to the first aspect, wherein the common signal comprises: electric power supplied from a power supply mounted on the automobile; A switch illumination increase signal for gradually brightening the illumination of the display unit of the switch device mounted on the vehicle, and a switch illumination reduction for gradually dimming the illumination of the display unit of the switch device mounted on the vehicle. A signal, a pair of multiplex communication signals flowing simultaneously in opposite phases to each of the pair of electric wires, and a traveling state signal indicating a traveling state of the vehicle, wherein the auxiliary equipment terminal fitting includes the power, ground, and switch. A light increase signal, a switch light reduction signal, a pair of multiplex communication signals, and a traveling state signal are provided corresponding to each of the two or more of the auxiliary machines. The common signal receiving unit arranges accessory terminal fittings corresponding to the power, ground, switch illumination increase signal, switch illumination reduction signal, paired multiplex communication signal, and running state signal in the same arrangement. It is characterized by.

According to a fourth aspect of the present invention, there is provided an electric equipment for an automobile according to any one of the first to third aspects, wherein the automobile realizes a function and performs A plurality of systems having at least one of a plurality of auxiliary machines are provided, and the wire harness includes a plurality of connectors provided corresponding to the respective systems, and a plurality of connectors and wires for interconnecting these connectors. And a system sub-harness for transmitting a signal unique to the system, a plurality of second connectors, and a second electric wire for interconnecting the second connectors, and a common sub-harness for transmitting the common signal. A harness, wherein at least one of the plurality of accessories has at least one connector of a corresponding system sub-harness, At least a one second connector harness, is characterized in that to connect.

According to a fifth aspect of the present invention, there is provided an electric equipment for an automobile according to the fourth aspect of the present invention, wherein the connector of the system sub-harness connected to the same auxiliary device and the second one of the common sub-harness are connected. The two connectors include one having an engaging portion and the other having an engaging receiving portion engaging with the engaging portion, and the engaging portion and the engaging receiving portion being engaged with each other. , And are connected to the same auxiliary machine.

According to a sixth aspect of the present invention, there is provided an electric equipment for an automobile according to the fourth or fifth aspect, wherein one of the plurality of second connectors of the common sub-harness is: An input connector to which the shared signal is input, and the other is an accessory connector connected to the accessory, and the shared sub-harness includes both the input connector and the accessory connector, and A branch unit connected via a second electric wire, wherein the branch unit distributes a shared signal input from the input connector to an auxiliary device connector connected to an auxiliary device requiring the shared signal. It is characterized by doing.

According to the present invention as set forth in claims 1 to 3, the shared signal receiving sections of two or more auxiliary machines are arranged with auxiliary equipment terminal fittings provided for each shared signal in the same arrangement. it can. For this reason, the connector of the wire harness connected to each of the two or more accessories described above has terminal fittings arranged in the same arrangement.

According to the present invention, the system is divided into a system sub-harness corresponding to each system and a common sub-harness for transmitting a common signal shared by a plurality of systems. Then, the connector of the system sub-harness and the second connector of the shared sub-harness are connected to the accessory.

Therefore, in the final assembling step of assembling the sub-harnesses, it is not necessary to connect the electric wires between the sub-harnesses. Further, the connector of the system sub-harness and the second connector of the shared sub-harness are connected to the same auxiliary device. Therefore, in the final assembling step of assembling the sub-harnesses with each other, it is not necessary to insert the terminal fitting of one sub-harness into the connector housing of another sub-harness.

According to the present invention, the connector of the system sub-harness connected to the same auxiliary machine and the second connector of the shared sub-harness engage with each other. For this reason, it is possible to suppress the mechanical size of a connection portion connecting the accessory and the connector or the like.

According to the present invention, the branch unit of the common sub-harness distributes the common signal input from the input connector to the accessory connector. For this reason, by connecting each connector of the system sub-harness and each accessory connector of the common sub-harness to a desired accessory, a signal necessary for each accessory constituting each system is reliably transmitted. be able to.

For this reason, in the final assembling step of assembling the sub-harnesses with each other, it is not necessary to reliably connect the wires between the sub-harnesses, and the terminal fitting of one sub-harness is not connected to the connector housing of the other sub-harness. Need not be inserted into

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a vehicle electrical apparatus 100 according to an embodiment of the present invention will be described with reference to FIGS. Electrical device 10 according to one embodiment of the present invention
0 (shown in FIG. 1 and the like) is mounted on an automobile as a moving body.

The automobile is, for example, an ABS (Antilock)
Brake System), an engine control system, a headlamp system, a wiper drive system, and a tail lamp system. These systems are used to implement various functions with the vehicle. These systems, respectively,
One function of the automobile is realized. The system comprises:
It is provided with various auxiliary machines 4 (shown in FIG. 1 and the like). That is, these auxiliary machines 4 are mounted on the automobile.

The above-described ABS includes an actuator for increasing or decreasing the braking force of the brake device for the wheels of the automobile, and an ECU (Electronic Control) for controlling the actuator and the like.
trolUnit). These actuators and the ECU are the above-described auxiliary machines 4. The engine control system includes a fuel injection device, an ignition device, and an ECU (Electronic Control Unit) that controls these devices. The fuel injection device, the ignition device, and the ECU correspond to the auxiliary device 4 described above.

The headlamp system includes a headlamp (also referred to as a headlamp) and a switch device. The headlamp can switch between a traveling beam that irradiates light relatively far and a passing beam that irradiates light only relatively close. The switch device is used to turn on / off the headlamp and switch the beam described above. The headlamp, the switch device, and the like correspond to the accessory 4 described above.

The wiper drive system includes a motor for rotating the wiper blade, a switch device, and the like. The motor is switchable between an intermittent operation for intermittently rotating the wiper blade and a continuous operation for continuously rotating the wiper blade. The switch device is for operating whether or not to rotate the wiper blade and switching between the intermittent operation and the continuous operation. The motor, the switch device, and the like correspond to the accessory 4 described above.

A tail lamp system is a tail lamp (also referred to as a tail lamp) used to indicate presence at night or the like.
And a switch device for operating lighting and extinguishing of the tail lamp. The tail lamp, the switch device, and the like correspond to the accessory 4 described above.

As shown in FIG. 1, the electric device 100 of a vehicle includes two or more auxiliary machines 4. The electric device 100 of the automobile may include a plurality of auxiliary machines 4 constituting one of the plurality of systems, such as the auxiliary machine 4 forming one system and the auxiliary machine 4 forming another system. it may be provided with a. That is, the electrical device 100
It needs only a plurality of auxiliary devices 4 to be mounted on the motor vehicle.

As shown in FIG. 1, the auxiliary machine 4 includes a housing 101 constituting an outer shell, various electronic components housed in the housing 101, a connector 5, and the like. The connector 5 is a connector 3, 3a of the wire harness 1 described later.
And the second connector 7a are connected. The connector 5 electrically connects each of the electric wires 2 a and 2 b constituting the wire harness 1 and each of the electronic components housed in the housing 101.

The connector 5 has a connector housing 5a made of an insulating synthetic resin and a terminal fitting 5b as a terminal fitting for auxiliary equipment. Connector housing 5a
Has a plurality of peripheral walls 5c and is formed in a cylindrical shape. The connector housing 5a is a so-called female housing.

The connector housing 5a has a lock hole (not shown) and a plurality of terminal receiving chambers 5d. The lock hole is formed so as to be concave from one inner surface of the plurality of peripheral walls 5c constituting the connector housing 5a. The terminal accommodating chamber 5d is provided in the connector housing 5a. The terminal accommodation chambers 5d extend linearly, and accommodate the terminal fittings 5b. The terminal accommodation chambers 5d are parallel to each other. These terminal accommodating chambers 5d constitute the auxiliary equipment terminal accommodating chambers described in this specification.

The terminal fitting 5b is, of course, made of a conductive metal or the like, and includes an electric wire connecting portion 5e for connecting electric wires and the like, and an electric contact portion 5f. The electric wire connection part 5e is formed in a cylindrical shape. The electric wire connection portion 5e includes a caulking piece or the like. The caulking piece caulks an electric wire connected to the electronic component or the like. In the electric wire connection portion 5, the caulking piece caulks the electric wire to electrically connect the electric wire to the terminal fitting 5b.

The electric contact portion 5f is connected to the electric wire connection portion 5e. The electric contact portion 5f includes a strip-shaped tab 5h. The tab 5h can penetrate into an electric contact portion 19b of the terminal fitting 19 described later. When the tab 5h enters the electric contact portion 19b, the terminal fittings 5b, 19
Are electrically connected to each other. With the configuration described above,
The terminal fitting 5b is a so-called male terminal fitting.

One of the plurality of terminal accommodating chambers 5d of the connector 5 having the above-described configuration is provided with a power accommodating chamber 102 (hereinafter referred to as a PWR
(Shown as accommodation room). The PWR accommodating chamber 102 can accommodate a terminal fitting 5b for receiving electric power supplied from a power supply device such as a battery or a generator. A terminal fitting 19 for transmitting a PWR signal, which will be described later, is connected to the terminal fitting 5b for receiving the power. That is, a PWR signal is input to the terminal fitting 5b for receiving the power.

The other of the plurality of terminal accommodating chambers 5d is an earth accommodating chamber 103 (hereinafter, referred to as a GND accommodating chamber). The GND accommodating chamber 103 can accommodate a terminal fitting 5b that can be connected to the ground circuit. The terminal fitting 19 connected to the ground circuit is connected to the terminal fitting 5b connectable to the ground circuit. That is, a GND signal described later is input to the terminal fitting 5b connectable to the ground circuit.

Still another one of the plurality of terminal accommodating chambers 5d is an illumination increasing accommodating chamber 104 (hereinafter referred to as ILL + accommodating chamber). The ILL + storage chamber 104 is an ILL described later.
A terminal fitting 5b for receiving the + signal can be accommodated. A terminal fitting 19 for transmitting the ILL + signal is connected to the terminal fitting 5b for receiving the ILL + signal.
That is, the terminal fitting 5b for receiving the ILL + signal
Receives an ILL + signal.

Still another one of the plurality of terminal accommodation rooms 5d is an illumination reduction accommodation room 105 (hereinafter, referred to as an ILL-accommodation room). The ILL-accommodating chamber 105 is an ILL described later.
A terminal fitting 5b for receiving a signal can be accommodated; The terminal fitting 19 for transmitting the ILL-signal is connected to the terminal fitting 5b for receiving the ILL-signal.
That is, the terminal fitting 5b for receiving the ILL- signal
Receives an ILL- signal.

The other two of the plurality of terminal accommodating chambers 5d are respectively multiplex communication accommodating chambers 106 and 107 (hereinafter M).
PX + accommodation room and MPX- accommodation room). MP
The X + accommodating chamber 106 can accommodate a terminal fitting 5b for receiving an MPX + signal described later. The terminal fitting 5b for receiving the MPX + signal is connected to the terminal fitting 5b for receiving the MPX + signal. That is, the M
The terminal fitting 5b for receiving the PX + signal has MPX
+ Signal is input.

The MPX-accommodating chamber 107 is provided with an MPX
A terminal fitting 5b for receiving a signal can be accommodated; The terminal fitting 5b for receiving the MPX-signal is connected to the terminal fitting 5b for receiving the MPX-signal. That is, the MPX-signal is input to the terminal fitting 5b for receiving the MPX-signal.

The other two of the plurality of terminal accommodation chambers 5d are traveling accommodation chambers 108 (hereinafter, referred to as SIG accommodation chambers). The SIG accommodating chamber 108 is provided with an SI described later.
A terminal fitting 5b for receiving a G signal can be accommodated. The terminal fitting 5b for receiving the SIG signal terminal fitting 5b for receiving the SIG signal is connected. That is, the terminal fitting 5 for receiving the SIG signal
The SIG signal is input to b.

With the above-described configuration, the terminal fitting 5b
Are PWR signal, GND signal, ILL + signal, and ILL−
A signal, an MPX + signal, an MPX− signal, a SIG signal, and the like are provided for each shared signal described later.

The above-mentioned accommodation chambers 102, 103, 104,
105, 106, 107 and 108 are densely packed with each other as shown in FIGS. These accommodation rooms 10
2,103,104,105,106,107,108
And the terminal fittings 5b accommodated therein constitute the shared signal receiving unit 110 described in this specification.

In the present embodiment, as shown in FIG. 2, the shared signal receiving section 110 is located on the right side in the figure when viewed from outside the auxiliary device 4. In the illustrated example, the shared signal receiving unit 110
Are provided in the upper and lower stages in FIG. 2, and in each stage,
Four terminal receiving chambers 5d are arranged side by side. The lower row is, in order from the right in FIG. 2, the ILL-accommodating chamber 105, the GND accommodating chamber 103, the MPX-accommodating chamber 107, and the SIG accommodating chamber 10.
8 are provided. In the upper stage, the ILL + accommodation room 104, the PWR accommodation room 102,
An MPX + accommodation room 106 and a SIG accommodation room 108 are provided.

An auxiliary connector 7a of the common sub-harness 6, which will be described later, is connected to the common receiving section 110 by a connector. Further, the connectors 3a of the sub-harnesses 11, 12, 13, 14, and 15 are connected to the terminal accommodating chamber 5d excluding the common receiving unit 110 by connectors.

Although FIG. 1 shows only two accessories 4 and five connectors, the electric equipment 100 for a vehicle according to the present invention includes two or more accessories 4 and five connectors. May be. As shown in FIG. 2, at least two of the connectors 5 of the auxiliary equipment 4 constituting the electric equipment 100 of the automobile are provided in the respective accommodation rooms 102,
The arrangement of 103, 104, 105, 106, 107 and 108 is the same. In the illustrated example, FIG. 2A shows the shared signal receiving unit 110 of the connector 5 of the auxiliary device 4 located on the left side in FIG. 1, and FIG. 2B shows the auxiliary device located on the right side in FIG. 4 shows a shared signal receiving unit 110 of the connector 5 and the like.

Thus, between the connectors 5, each of the accommodation chambers 102, 103, 104, 105, 106, 10
7, 108 have the same sequence. For this reason, in these connectors 5, the terminal fittings 5b arranged corresponding to the respective common signals described above can be arranged in the same arrangement.

A wiring harness 1 shown in FIG. 3 and the like is connected to the electric device 100 of the automobile. The wire harness 1 is routed on an automobile or the like as the moving body described above. The wiring harness 1 is connected between the aforementioned systems and the auxiliary equipment 4.
The connection is made, and power supplied from a power source such as a battery, various signals, and the like are transmitted to each auxiliary machine 4.

The wire harness 1 is, as shown in FIG.
A first system sub-harness 11 (shown in FIG. 5), a second system sub-harness 12 (shown in FIG. 6), and a third
7, the fourth system sub-harness 14 (shown in FIG. 8), the fifth system sub-harness 15 (shown in FIG. 9), and the shared sub-harness 6 (see FIG. 4). Shown).

The first system sub-harness 11 is provided corresponding to the first system of an automobile such as the above-described ABS. The second system sub-harness 12 is provided corresponding to the second system of the vehicle such as the above-described engine control system. Third system sub-harness 1
3 is provided corresponding to the third system of the vehicle such as the headlamp system described above.

The fourth system sub-harness 14 is provided corresponding to the fourth system of the automobile such as the above-described wiper drive system. Fifth system sub-harness 1
5 is provided corresponding to the fifth system of the vehicle such as the tail lamp system described above. Thus, the system sub-harnesses 11, 12, 13, 14, 1
Reference numeral 5 is provided corresponding to each of the above-described vehicle systems.

The aforementioned system sub-harness 11, 1
As shown in FIG. 5 to FIG. 9, each of a plurality of electric wires 2 (hereinafter, electric wires of a system sub-harness is indicated by reference numeral 2a) and a plurality of connectors 3 (shared as described later) The one connected to the same auxiliary machine 4 as the sub-harness 6 is indicated by reference numeral 3a, and the others are indicated by reference numeral 3). Each of the electric wires 2a is a so-called covered electric wire including a core wire made of a conductor or the like and a covering part made of an insulating material or the like covering the core wire.

[0056] Connectors 3,3a is attached to an end portion of the wire 2a. That is, the electric wire 2a electrically connects the connectors 3 and 3a to each other. Since these connectors 3 and 3a have substantially the same configuration, a description will be given below using the connector 3a (shown in FIG. 1) as a representative.

As shown in FIG. 1, the connector 3a includes a connector housing 3b made of an insulating synthetic resin and a terminal fitting 19. Connector housing 3b
Is formed in a rectangular shape which can enter the connector housing 5a. The connector housing 3b is a so-called male housing. The connector housing 3b includes a plurality of terminal chambers 3c and a lock arm 3d.

The terminal accommodating chambers 3c extend linearly and accommodate the terminal fittings 19, respectively. Terminal accommodation room 3c
Are parallel to each other. The terminal accommodating chamber 3c is provided at a position matching the terminal accommodating chamber 5d when the connector housing 3b enters the connector housing 5a.

The lock arm 3d is formed in an arm shape and has one end connected to the connector housing 3b. The lock arm 3d is elastically deformable so that the other end approaches the connector housing 3b. The lock arm 3d
The longitudinal direction is along the terminal accommodating chamber 3c. The lock arm 3d has a lock protrusion 3 protruding outward.
e. The lock projection 3e can engage with the lock hole of the connector 5 described above.

The terminal fitting 19 is formed by bending a conductive sheet metal or the like. The terminal fitting 19 includes a cylindrical electric contact portion 19a and an electric wire connection portion 19b connected to the electric contact portion 19a. The electric contact portion 19a
When the tab 5h of the terminal fitting 5b of the connector 5 is inserted inside, a spring piece 19d for urging the tab 5h toward the inner surface of the electrical contact portion 19a is provided. Spring piece 19d
Urges the tab 5h toward the inner surface of the electric contact portion 19a, so that the tab 5h is electrically connected to the terminal fitting 5b.

The wire connecting portion 19b has a caulking piece 19c for caulking the wire 2a. When the caulking piece 19c caulks the electric wire 2a, the electric wire connection portion 19b electrically connects the electric wire 2a and the terminal fitting 19.

According to the configuration described above, the connector 3a
Is inserted into the connector housing 5a of the connector 5 of the auxiliary machine 4 and is connected to the connector 5 by a connector. At this time, the lock arm 3d is elastically deformed in a direction in which the other end approaches the connector housing 3b. Then, the lock projection 3e engages with the lock hole, and is connected to the connector 5 of the auxiliary machine 4 by a connector. At this time, the tab 5h of the terminal fitting 5b of the connector 5 of the auxiliary machine 4 penetrates into the electrical contact portion 19a of the terminal fitting 19, and these terminal fittings 5b, 19
a are electrically connected to each other. In this manner, the connectors 3 and 3a are connected to the connectors 5 of the auxiliary machines 4 of the corresponding system.
(Shown in FIG. 1).

The first system sub-harness 11 is unnecessary for a system corresponding to the other sub-harnesses 12, 13, 14, and 15, and is a signal required for the auxiliary equipment 4 of the corresponding system such as the above-mentioned ABS. Tell That is, the first system sub-harness 11 uses only the corresponding first system and transmits a signal unique to the first system.

The second system sub-harness 12 is unnecessary for a system corresponding to the other sub-harnesses 11, 13, 14, and 15, and is required for the auxiliary machine 4 of a corresponding system such as the above-described engine control system. And convey the appropriate signal.
That is, the second system sub-harness 12 transmits a signal unique to the second system using only the corresponding second system.

[0065] The third system sub harness 13 is not required for systems other sub-harnesses 11, 12, 14, 15 correspond, and required accessory 4 system corresponding such headlamp system described above And convey the appropriate signal.
That is, the third system sub-harness 13 transmits a signal unique to the third system using only the corresponding third system.

The fourth system sub-harness 14 is unnecessary for a system corresponding to the other sub-harnesses 11, 12, 13, and 15, and is necessary for the auxiliary machine 4 of a corresponding system such as the aforementioned wiper drive system. And convey the appropriate signal. That is, the fourth system sub-harness 14
And transmits a signal unique to the fourth system, which uses only the system.

The fifth system sub-harness 15 is unnecessary for a system corresponding to the other sub-harnesses 11, 12, 13, and 14, and is necessary for the auxiliary machine 4 of a corresponding system such as the above-described tail lamp system. Give a signal.
That is, the fifth system sub-harness 15 transmits a signal unique to the fifth system using only the corresponding fifth system.

As described above, the above-mentioned system sub-harnesses 11, 12, 13, 14, and 15 transmit signals specific to the corresponding system, and connect the connectors 3, 3a, 3b.
Is connected to the connector 5 of each auxiliary machine 4 to transmit the specific signal to each auxiliary machine 4 of the corresponding system.

As shown in FIG. 4, the common sub-harness 6 includes a plurality of electric wires 2 (hereinafter, the electric wires of the common sub-harness are indicated by reference numeral 2b) and a plurality of second connectors 7 (hereinafter, referred to as a system sub-harness). The components connected to the same auxiliary machine 4 are denoted by reference numeral 7a, and an input connector described later is denoted by reference numeral 7b), a branch unit 8 (shown in FIG. 20),
It has. Each of the electric wires 2b is a so-called covered electric wire including a core wire made of a conductor or the like and a covering part made of an insulating material or the like covering the core wire. The electric wire 2b is the second electric wire described in this specification. Further, the second connector 7a is a connector of the wire harness 1 described in this specification.

The second connectors 7a and 7b are attached to the ends of the electric wires 2b. That is, the electric wire 2b
The second connectors 7a and 7b are electrically connected to each other. One of the second connectors 7a and 7c is an input connector. The input connector 7b is connected to a connector (not shown) of the external device 9 (shown in FIG. 3).

The external device 9 is mounted on the automobile and includes the above-described system sub-harnesses 11, 12, 13,.
The shared signal required by at least two or more of the systems corresponding to 14 and 15 is transmitted to the wire harness 1. The external device 9 is, for example, a known ECU (Elec
tronic Control Unit) and electrical junction boxes (also called junction boxes).

For this reason, the above-mentioned common signal is input to the input connector 7 b via the external device 9.

The common signal includes power supplied from a power source such as a battery (hereinafter referred to as a PWR signal), ground (hereinafter referred to as a GND signal), and a switch illumination increase signal (hereinafter referred to as an ILL + signal). , A switch illumination reduction signal (hereinafter referred to as an ILL-signal), a pair of multiplex communication signals, and a running state signal (hereinafter referred to as SIG) indicating a running state of the automobile.
Signal).

The GND signal included in the common signal described in this specification indicates that the common signal is connected to the ground circuit so that the potential is equal to that of the ground circuit.

The ILL + signal is a signal for brightening the illumination of the display section of the various switch devices as the auxiliary device 4 described above. The ILL- signal is a signal for dimming the illumination of the display unit of the switch device described above. The display unit of the switch device has various scales and symbols,
The setting status of the switch device is shown. The illumination of the display unit of the switch device is used to notify the occupant of the vehicle of the setting status and the like. When the ILL + signal is continuously input to the switch device, the illumination gradually becomes bright. When the ILL− signal is continuously input to the switch device, the illumination is gradually darkened.

A pair of multiplex communication means that a signal having a positive potential and a signal having a negative potential are simultaneously supplied to a pair of electric wires. As described above, the paired multiplex communication suppresses noise of a signal transmitted by a pair of electric wires by simultaneously transmitting signals having phases opposite to each other to the pair of electric wires. The multiplex communication signal,
The signal flowing through each of the pair of wires is shown,
Hereinafter, these signals are referred to as MPX + signal and MPX− signal.

The SIG signal includes, for example, a speed signal indicating a running speed of an automobile, an engine speed signal indicating an engine speed, a brake pedal operation signal indicating that a brake pedal is operated, and a speed change device ( A shift position signal indicating an operation position (a so-called shift position) of a shift operation device of a vehicle equipped with an automatic transmission, a door position signal indicating that a door is open, and a parking brake (a so-called side brake) being operated. The parking brake signal shown in FIG.

The other connector 7a (shown in FIG. 1, etc.) of the second connectors 7a and 7b is a connector for auxiliary equipment.
The accessory connector 7a is provided corresponding to the accessory 4 requiring the above-mentioned shared signal. The auxiliary device connector 7a having the above-described configuration is connected to the above-mentioned common signal receiving section 110 of the connector 5 of the auxiliary device 4 requiring the above-mentioned common signal.

The structure of these auxiliary equipment connectors 7a is the same as that of the system sub-harnesses 11, 12, 13, 14,
Since the configuration is substantially the same as that of the fifteen connectors 3, 3a, the same reference numerals are given and the description is omitted. The accessory connector 7
a includes the connector housing 3b described above, the terminal fittings 19 described above, and the like.

The terminal fittings 19 are connected to the electric wires 2b, respectively.
Through the PWR signal, the GND signal, the ILL + signal, the ILL− signal, the MPX + signal, the MPX− signal, and the SIG.
Signals are transmitted. The terminal fitting 19 to which the PWR signal is transmitted is disposed at a position corresponding to the PWR accommodating chamber 102. Terminal fitting 19 to which the GND signal is transmitted
Is arranged at a position that matches the GND storage chamber 103. The terminal fitting 19 to which the ILL + signal is transmitted is disposed at a position corresponding to the ILL + storage chamber 104. The terminal fitting 19 to which the ILL- signal is transmitted is
It is arranged at a position corresponding to the L-accommodation room 105. The MP
The terminal fitting 19 to which the X + signal is transmitted is arranged at a position corresponding to the MPX + accommodation chamber 106. The terminal fitting 19 to which the MPX-signal is transmitted is connected to the MPX-accommodating chamber 1.
07. The terminal fitting 19 to which the SIG signal is transmitted is disposed at a position corresponding to the SIG housing chamber 108.

The terminal fittings 19 of the accessory connector 7a arranged in this way are connected to the connector 5 of the accessory 4 requiring the common signal by the connector 7a.
Matching accommodation rooms 102, 103, 104, 105, 10
6, 107 and 108 are connected to the terminal fittings 5b.

The above-mentioned system sub-harness 11, 1
Some of the connectors 3, 3a of 2, 13, 14, and 15 are connected to the connector 5 of the auxiliary machine 4 which is the same as the auxiliary machine connector 7a.

As shown in FIGS. 3 and 4, the branching unit 8 is connected to both the input connector 7b and the accessory connector 7a via the electric wire 2b. As shown in FIGS. 19 and 20, the branching unit 8 includes a JC (Joint connector) press-contact terminal 30 (shown in FIG. 12) as a press-connect terminal and a press-connect housing 40 as an insulator.
(Shown in FIG. 15) and a cover housing 49. The branch unit 8 includes a plurality of JC press contact terminals 30 and a plurality of press contact housings 40.

The JC press contact terminal 30 is formed by bending a conductive sheet metal or the like. As shown in FIG. 12 and FIG.
And a pair of side walls 35b on which the
And an electric wire connection part 31 and an electric contact part 32.

The connecting wall 35a is formed in a strip shape. Each of the pair of side walls 35b is formed in a strip shape. The pair of side walls 35b are connected to the connecting wall 35 along the width direction.
a. The pair of side walls 35b is provided upright with respect to the connecting wall 35a.

The electric wire connection portion 31 includes a pair of bent pieces 33 facing each other and a press contact portion 31a. The bent piece 33 stands on the connecting wall 35a. The bent piece 33 holds the electric wire 2b placed on the connecting wall 35a by being bent.

The press-contact portion 31a has three pairs of press-fitting blades 34a, 34b, 34c facing each other. Each of the press-fitting blades 34a, 34b, 34c
It stands up to a. Three pairs of press-fitting blades 34a, 34b,
Each of the side walls 34c protrudes from the inner surface of the side wall 35b in a direction in which the pair of side walls 35b approach each other.

The press-fitting blades 34a, 34b, and 34c press the wire 2b therebetween, thereby cutting the sheath of the wire 2b and contacting the core wire of the wire 2b. The press-fitting blades 34a, 34b, 34c secure an electrical connection between the electric wire 2b and the JC press-connecting terminal 30. That is, it comes into pressure contact with the electric wire 2b.

The electric contact portion 32 has an opening 36 opened in the connecting wall 35a and a contact piece 37 as a second connecting means which can be erected from the connecting wall 35a. Contact piece 37
Are formed in a belt shape. One end of the contact piece 37 is connected to the connecting wall 35a.

The contact piece 37 is bent so that
It is freely displaceable between a state of standing on the connecting wall 35a and a state of being parallel to the connecting wall 35a as shown by a two-dot chain line in FIG. The contact piece 37 is maintained in this state when it is bent and once placed upright with respect to the connecting wall 35a, and in this state when it is made parallel to the connecting wall 35a.

The state in which the contact piece 37 stands up against the connecting wall 35a is in a connected state, and the state in which the contact piece 37 is along the connecting wall 35a is in an insulated state. As shown in FIG. 13, a contact spring piece 36 a for pressing the end of the connecting wall 35 a and the contact piece 37 is provided in the opening 36.

The JC press-connecting terminals 30 having the above-described configuration are stacked with the connecting walls 35a being parallel and spaced from each other. The electric contact portion 32 is formed by inserting the contact piece 37 of the JC press contact terminal 30 located in the lower part of FIG. 13 into the opening hole 36 of another JC press contact terminal 30 located in the upper part of FIG. The JC press contact terminals 30 stacked on each other are electrically connected to each other.

At this time, the contact piece 37 of the JC press contact terminal 30 located below is sandwiched between the connecting wall 35a of another JC press contact terminal 30 located above and the contact spring piece 36a.

The JC press contact terminal 30 is
0 into the terminal receiving groove 41. IDC terminal 3 for JC
0 is housed and held in the press-contact housing 40 by being pressed into the terminal housing groove 41.

When pressed into the terminal insertion groove 41,
When the JC press-connecting terminals 30 adjacent to each other are electrically connected to each other, as shown in FIG. 14, the connecting portions 39 for connecting the ends of the connecting walls 35a closer to the electric wire connecting portions 31 are removed. Will be left without. To keep the JC insulation displacement terminals 30 adjacent to each other electrically insulated from each other, the connecting portion 39 is removed from the connecting wall 35a. The connecting portion 3
Reference numeral 9 denotes first connection means.

When the branch unit 8 is assembled by stacking a plurality of press-contact housings 40, the contact piece 37 and the connecting portion 39 transmit the shared signal input from the input connector 7b via the electric wire 2b to the electric wire 2b. The JC press-connecting terminals 30 are electrically connected to each other so that the shared signal is distributed to the auxiliary equipment connector 7a connected to the auxiliary equipment 4 that needs the shared signal via the.

The press-contact housing 40 is made of an insulating synthetic resin or the like, and includes a rectangular plate main body 42 and a plurality of terminal receiving grooves 41 as shown in FIGS. The plate body 42 includes a bottom wall 42a and a bottom wall 4
And a plurality of partition walls 43 erected from 2a. The bottom wall 42a has a substantially rectangular planar shape. The bottom wall 42a is formed substantially flat. Partition wall 4
3 are parallel to each other. The partition 43 is provided with the bottom wall 42a.
Are arranged side by side along the width direction.

The terminal receiving groove 41 is surrounded by a partition wall 43 and a bottom wall 42a adjacent to each other. Terminal receiving groove 41
Are provided in plurality. These terminal receiving grooves 41 are
They are juxtaposed along the direction in which the partitions 43 are juxtaposed. The terminal accommodating grooves 41 are capable of accommodating the JC press contact terminals 30, respectively.

The press contact housing 40 accommodates the JC press contact terminal 30 in the terminal receiving groove 41 and
Hold. At this time, when the press-contact housing 40 holds the plurality of JC press-contact terminals 30, the terminal housing grooves 41 are used.
Are arranged side by side along the direction in which JCs are juxtaposed.

As shown in FIG. 17, the insulation displacement housing 40 accommodates the JC insulation displacement terminal 30 in the terminal accommodation groove 41 arbitrarily selected from the plurality of terminal accommodation grooves 41. When the insulation displacement housing 40 accommodates the insulation displacement terminal 30 for JC,
As shown in FIG. 16, each of the terminal insertion grooves 41 is inserted from one end 41a.

Since the structure of the cover housing 49 is substantially the same as that of the press-fit housing 40, the same components as those of the press-fit housing 40 are denoted by the same reference numerals and description thereof is omitted. The partition 43 is not provided in the cover housing 49, and the terminal receiving groove 41 is not formed.

The press-contact housing 40 and the cover housing 49 have a plurality of locking portions 44 and locking receiving portions 45 for fixing each other when they are stacked.
Further, the press-contact housing 40 has a plurality of holes (not shown) that do not prevent the contact piece 37 of the JC press-contact terminal 30 located below from entering the opening 36 of the JC press-contact terminal 30 located above. .

The branch unit 8 having the above-described structure is assembled as described below. First, when assembled as a branch unit 8, an auxiliary connector for connecting a common signal input from the input connector 7b via the electric wire 2b to the auxiliary machine 4 requiring the common signal via the electric wire 2b. 7
The JC press-connecting terminals 30 are accommodated in the respective terminal accommodating grooves 41 so as to be distributed to the terminals a.

Then, as shown in FIG. 18, the electric wire 2b is press-contacted to the JC press-connecting terminal 30 accommodated in the terminal accommodating groove 41, and as shown in FIG. Stack on each other. The cover housing 49 is overlaid on the top of these press-contact housings 40 in FIG. The press-contact housing 40 and the cover housing 49 are engaged with each other by engaging the locking portion 44 and the lock receiving portion 45 of the press-contact housing 40 and the cover housing 49 to fix the press-contact housing 40 and the cover housing 49 together.

As described above, the branch unit 8 is provided with the JC
The press-fit housing 40 containing the press-fit terminals 30 is assembled by stacking the plate bodies 42 in parallel with each other. The branch unit 8 serves as a joint connector. In addition, a joint connector generally refers to a connector in which a plurality of terminals housed in a connector housing are electrically connected according to a predetermined pattern. In this case, a plurality of the pressure-contact housings 40 correspond to the connector housing.

Further, in the examples shown in FIGS. 17 to 20, the state where the JC press contact terminals 30 are accommodated in all the terminal insertion grooves 41 is shown.
Are not necessarily provided in all the terminal insertion grooves 41.
It does not contain zero. That is, the pressure housing 40
Accommodates the JC press contact terminal 30 in the required terminal insertion groove 41 among the plurality of terminal insertion grooves 41.

The branching unit 8 having the above-described configuration distributes the shared signal input from the input connector 7b to the accessory connector 7a connected to the accessory 4 requiring the shared signal. In the illustrated example, as shown in FIG. 11, the branch unit 8 has seven press-contact housings 40 stacked as described above. Seven wires 2b are connected to the input connector 7b, and these wires 2b are respectively connected to the PWRs described above.
Signal, GND signal, ILL + signal, ILL- signal, and MP
One of the X + signal, the MPX- signal, and the SIG signal is input from the input connector 7b.

The electric wires 2b connected to the input connector 7b described above are connected to the JC press contact terminals 30 mounted on different press contact housings 40 among the seven press contact housings 40 laminated. Hereinafter, a press-fit housing 4 equipped with a JC press-fit terminal 30 to which the PWR signal is input.
0 denotes a PWR housing 40a, and a press-fit housing 4 with a JC press-connect terminal 30 to which a GND signal is input.
0 denotes a GND housing 40b, a press-fit housing 40 to which the JC press-connecting terminal 30 to which the ILL + signal is input is denoted by ILL + housing 40c, and a press-fit housing 40 to which the JC press-contact terminal 30 to which the ILL- signal is input is mounted. Is denoted as ILL-housing 40d, and MPX +
The press-fit housing 40 to which the JC press-connecting terminal 30 to which a signal is input is indicated as MPX + housing 40e,
An insulation displacement housing 40 equipped with a JC insulation displacement terminal 30 to which an X-signal is input is referred to as an MPX-housing 40f,
The press-fit housing 40 to which the JC press-connect terminal 30 to which the SIG signal is input is referred to as a SIG housing 40g.

In FIG. 11, the PWR housing 40a, the GND housing 40b, the ILL + housing 40c, the ILL- housing 40d, the MPX + housing 40e, the MPX-housing 40f, and the SIG housing 40g are stacked in order from the top.

Each of the housings 40a, 40b, 4
A plurality of JC press-connecting terminals 30 are mounted on 0c, 40d, 40e, 40f, and 40g, respectively. In these JC press contact terminals 30, the contact pieces 37 are in the above-described insulating state. For this reason, the housing 40a,
Between 40b, 40c, 40d, 40e, 40f, and 40g, the JC press contact terminals 30 are insulated from each other.

Each housing 40a, 40b, 40c, 4
The JC press contact terminals 30 mounted on Od, 40e, 40f, and 40g are electrically connected to each other by the connecting portion 39. For this reason, each of the plurality of JC press contact terminals 30 mounted on the PWR housing 40a has a PWR
A signal is transmitted, a GND signal is transmitted to each of the plurality of JC press contact terminals 30 mounted on the GND housing 40b, and ILL + is supplied to each of the plurality of JC press contact terminals 30 mounted on the ILL + housing 40c.
A signal is transmitted, and ILL-contact terminals 30 mounted on the ILL-housing 40d are respectively provided with ILL.
− Signal is transmitted, and a plurality of JC press-connecting terminals 30 mounted on the MPX +
X + signal is transmitted and MPX-housing 40f
Each of the plurality of JC insulation displacement terminals 30 mounted on the
PX-signal is transmitted and SIG housing 40g
Each of the plurality of JC insulation displacement terminals 30 mounted on the
An IG signal is being transmitted.

The electric wires 2b are connected to these JC press contact terminals 30, respectively. These electric wires 2b are connected to the auxiliary equipment connector 7a which is connected to the auxiliary equipment 4 which needs each signal described above.

One accessory 7a shown in FIG.
(Hereinafter referred to as a first auxiliary device connector 7aa) includes a PWR
Housing 40a, GND housing 40b and ILL +
Housing 40c and ILL-Housing 40d and MPX
The electric wire 2b connected to the JC press-connecting terminal 30 mounted on each of the + housing 40e is connected. That is,
The PWR signal, the GND signal, the ILL + signal, the ILL- signal, and the MPX + signal are input to the first auxiliary device connector 7aa.

Another accessory connector 7a shown in FIG.
(Hereinafter referred to as a second auxiliary connector 7ab) includes a PWR
Housing 40a, GND housing 40b and ILL +
Housing 40c and ILL-Housing 40d and MPX
+ Housing 40e and MPX-housing 40f and SI
The electric wire 2b connected to the JC press-connecting terminal 30 mounted on each of the G housings 40g is connected. That is, the PWR signal, the GND signal, the ILL + signal, the ILL- signal, the MPX + signal, and the MPX signal are connected to the second auxiliary device connector 7ab.
-The signal and the SIG signal are input.

Still another accessory connector 7 shown in FIG.
a (hereinafter referred to as a third auxiliary connector 7ac) has a PW
R housing 40a, GND housing 40b, and ILL
+ Housing 40c and ILL-housing 40d and MP
X + housing 40e and MPX-housing 40f and S
The electric wire 2b connected to the JC press-connecting terminal 30 mounted on each of the IG housings 40g is connected. That is,
The third accessory connector 7ac has a PWR signal, a GND signal, an ILL + signal, an ILL- signal, an MPX + signal, and an MP signal.
The X- signal and the SIG signal are input.

As described above, the branching unit 8 configured as described above distributes the shared signal input from the input connector 7b to the accessory connector 7a connected to the accessory 4 requiring the shared signal.

With the above-described configuration, the common sub-harness 6 is connected to the system sub-harnesses 11, 12, 1 described above.
Among the systems corresponding to 3, 14, and 15, the common signal required by at least two or more systems is transmitted, and the branching unit 8 having the above-described configuration transmits the common signal input from the input connector 7b to the common signal. The shared signal is distributed to the auxiliary equipment connector 7a connected to the auxiliary equipment 4 which needs the shared signal.

When assembling the wire harness 1 having the above-described configuration, first, each of the system sub-harnesses 11, 1
2, 13, 14, 15 and the shared sub-harness 6 are assembled. Each system sub-harness 11, 12, 13,
When assembling 14 and 15, first, the electric wire 2a is cut into a desired length, and terminal fittings 19 are attached to both ends of the electric wire 2a. Connect these terminal fittings 19 to connectors 3 and 3
a, 3b is inserted into the connector housing. Thus, each system sub-harness 11, 12, 13, 14,
Assemble 15.

When assembling the common sub-harness 6,
First, the electric wire 2b is cut into a desired length, and the terminal fitting 19 is attached to a part of the end of the electric wire 2b. Terminal fitting 1
9 is attached to the connector housings of the input connector 7b and the accessory connector 7a.

Desired terminal receiving groove 4 of pressure housing 40
1 is attached with a JC press contact terminal 30. The other end and the like of the electric wire 2b are pressed against these JC press-contact terminals 30.
The branching unit 8 is assembled by, for example, laminating a plurality of press-contact housings 40 to which the JC press-contact terminals 30 are mounted. Thus, the common sub-harness 6 is assembled.

As shown in FIG. 10, the system sub-harnesses 11, 12, 13, 14, 15 assembled as described above are arranged according to a wiring pattern for wiring to the automobile.

These system sub-harnesses 11, 1
2, 13, 14, and 15, the shared sub-harnesses 6 are arranged in accordance with the above-mentioned wiring pattern. Identical auxiliary equipment 4
Of the connector housings 16, 17, 18 of the connectors 3a, 3b, 7a connected to the
And these connector housings 1
6, 17, 18 are fixed to each other. At this time, the bus bar 23 is inserted between the connector housings 16, 17, and 18, and the lid 22 is also attached. Thus, the wire harness 1 having the above-described configuration is obtained. Each of the connectors 3, 3a, 3b, 7a, 7b is connected to the connector 5 of the auxiliary device 4 of the corresponding system and the connector of the external device 9, and the wiring harness 1 is routed to the automobile.

According to the present embodiment, the shared signal receiving section 110 of the connector 5 of the two or more auxiliary machines 4 is
103, 104, 105, 106, 107 and 108 are arranged in the same arrangement. For this reason, the connector 5 of the auxiliary machine 4 is provided with a terminal fitting 5 corresponding to the PWR signal.
b and a terminal fitting 5b corresponding to the GND signal (ie, ground)
5b corresponding to the ILL + signal, the terminal 5b corresponding to the ILL- signal, the terminal 5b corresponding to the MPX + signal, and the terminal 5b corresponding to the MPX- signal.
The terminal fittings 5b corresponding to the G signal can be arranged in the same arrangement.

Thus, the terminal fittings 5b provided for each common signal can be arranged in the same arrangement. Therefore, the connector 7a of the wire harness 1 coupled to each of the connectors 5 has the same arrangement of the terminal fittings 19.

As described above, the connector 5 of the auxiliary machine 4
The arrangement of the terminal fittings 5b can be standardized, and the arrangement of the terminal fittings 19 of the connector 7a of the wire harness 1 connected to the connector 5 of the auxiliary machine 4 can also be standardized. For this reason, the worker who assembles the wire harness 1 requires the wire harness 1
The terminal housing chamber 3c for housing the terminal fitting 19 is hardly mistaken. Accordingly, the time and labor required for assembling the wire harness 1 is reduced, and a decrease in the yield of the wire harness 1 can be suppressed. Further, it is possible to prevent the connection between the electric wires 2b constituting the wire harness 1 from becoming complicated.

A wire harness 1 is provided for each system of the vehicle and transmits system-specific harnesses 11, 12, 13, 14, 1 for signals unique to these systems.
5 and a shared sub-harness 6 for transmitting a shared signal shared by a plurality of systems. For this reason, after assembling the sub-harnesses 11, 12, 13, 14, 15, and 6, these sub-harnesses 11, 12, 13, 14, and
By bundling 15 and 6 together, each connector 3, 3a,
The connectors 7a and 7b can be connected to the connector 5 of each auxiliary device 4 and the connector of the external device 9, respectively.

Therefore, the sub-harnesses 11, 12, 1
In a final assembly process of the wire harness 1 for bundling the wire harnesses 3, 14, 15, and 6, the sub harnesses 1
It is not necessary to connect the electric wires 2a, 2b of 1, 12, 13, 14, 15, 6 to each other.

Further, the system sub-harness 11, 1
The connectors 3a of 2, 13, 14, and 15 and the connector 7a of the common sub-harness 6 are connected to the connector 5 of the same auxiliary machine 4 by connectors. For this reason, in the final assembly process, one of the sub-harnesses 11, 12, 13, 14, 1
5 and 6 are connected to the other sub-harnesses 11, 12, 1
There is no need to attach to the 3,14,15,6 connector housings.

Therefore, in the above-mentioned final assembly process, there is no need to perform a joint operation for connecting the electric wires or a post-fitting operation for attaching the terminal fitting to the connector housing. Therefore, there is no need to transport the sub-harnesses 11, 12, 13, 14, 15, and 6 from the final assembly process of the wire harness 1 to a joint crimping machine, a resistance welding machine, a terminal insertion device, or the like. Therefore, a decrease in the production efficiency of the wire harness 1 can be suppressed.

The branching unit 8 converts the shared signal input from the input connector 7b according to a desired pattern.
It is distributed to the accessory connector 7a. For this reason, the connectors 3 and 3a of the system sub-harnesses 11, 12, 13, 14, and 15 and the auxiliary equipment connector 7a of the shared sub-harness 6
Is connected to the connector 5 of the desired auxiliary machine 4 to reliably transmit the signal required for each auxiliary machine 4.

Further, a plurality of JC press-connecting terminals 30 for press-connecting the electric wire 2b to the press-connecting housing 40 are arranged and mounted. The connecting portion 39 electrically connects the JC press contact terminals 30 adjacent to each other. The contact pieces 37 can electrically connect the JC press contact terminals 30 overlapping each other. For this reason, the branching unit 8 can reliably and electrically connect the two or more electric wires 2b that are pressed against the JC press-connecting terminal 30 according to a desired pattern.

Therefore, the branching unit 8 can surely distribute the shared signal input from the input connector 7b to the accessory connector 7a according to a desired pattern. Therefore, the system sub-harnesses 11, 12, 1
By connecting the connectors 3, 3a of 3, 14, 15 and the accessory connector 7a of the common sub-harness 6 to the connector 5 of the desired accessory 4, it is necessary for each accessory 4 constituting each system. Can be reliably transmitted.

In the above-described embodiment, the connector 5 of the auxiliary machine 4 is connected to the terminal accommodating chamber 102 of the shared signal receiving section 110,
103, 104, 105, 106, 107, 108;
The connector housing 5a in which the other terminal housing chamber 5d is integrated is used. However, in the present invention, the connector housing 5a may be divided into a plurality as shown in FIGS.

In any case, as shown in FIGS. 27 to 30, the connector housing 5a is connected to the common signal receiving section 1.
10 and a second housing 112 made up of the other terminal housing 5d and the like.

In the case shown in FIGS. 27 and 28, the accommodation chambers 102, 103, 10
4, 105, 106, 107 and 108 and another terminal accommodation chamber 5d are arranged. The housing 111,1
Reference numeral 12 denotes an engagement portion 111a and an engagement receiving portion 1 which engage with each other.
12b, they can be attached to each other as shown in FIG. 28 (b) or separated as shown in FIGS. 27 and 28 (a).

In the case shown in FIGS. 29 and 30, the first housing 111 is provided with the terminal accommodating chambers 102, 103, 104, 105, 106, 107, 1 of the common signal receiving section 110.
08 are arranged side by side in one direction. In the illustrated example, the ILL + accommodation room 104 and the PWR accommodation room 102 are arranged in this order from the right.
, MPX + accommodation room 106 and two SIG accommodation rooms 10
8, the MPX-accommodating room 107, and the GND accommodating room 103
And the ILL-accommodation room 105 are arranged.

The first housing 111 and the second housing 1
12 means the accommodation chambers 102, 103, 104, 10
5, 106, 107, 108 in the direction in which
They are superimposed on each other along the intersecting direction. Also in these cases, the housings 111 and 112 are formed by the engaging portion 111a and the engaging receiving portion 112b which engage with each other.
9 (b) and FIG. 30 (b), or separated as shown in FIG. 29 (a) and FIG. 30 (a).

Thus, the connector housing 5a is
When divided into a plurality of housings 111 and 112, the housings 111 and 112 can be assembled by accommodating the terminal fitting 5b. The auxiliary machine 4 can be assembled by assembling the housings 111 and 112 with each other.

Further, in the present invention, the branch unit 8
May be configured as shown in FIG. 21 from a JB press contact terminal 50 as a second press contact terminal shown in FIG. 24, a press contact plate 60 as a second insulator shown in FIG. 22, and the like. As shown, it may be constituted by an insulating substrate 81 or the like.

The branch unit 8 shown in FIG.
A plurality of press contact terminals 50 and press contact plates 60 are provided.

The JB press contact terminal 50 is formed by bending a conductive sheet metal or the like. As shown in FIG. 24 and the like, the JB press-connecting terminal 50 includes an electric wire connecting portion 51 to which the electric wire 2b is connected, an electric contact portion 52, and a plurality of locking pieces 58. The electric wire connection portion 51 includes a flat mounting wall 55 on which the electric wire 2b is mounted, and a pair of side walls 56a and 56.
6b, a caulking piece 53, and a pressure contact portion 51a.

The mounting wall 55 is formed in a strip shape.
Each of the pair of side walls 56a and 56b is formed in a strip shape. The pair of side walls 56a and 56b is
Are connected to both edges that are spaced apart along the width direction. The pair of side walls 56a and 56b are respectively erected on the mounting wall 55. The pair of side walls 56a and 56b position the electric wire 2b pressed against the press-contact portion 51a between them.

The swaging piece 53 stands on the mounting wall 55. The caulking piece 53 is continuous with the edge of the mounting wall 55 in the width direction. The caulking piece 53 is bent so as to cover the mounting wall 55, and holds the electric wire 2 b between the caulking piece 53 and the mounting wall 55. That is, the caulking piece 53 caulks the electric wire 2b to the mounting wall 55.

The press contact portion 51a has two pairs of press contact blades 54a and 54b facing each other. Pressing blades 54a, 54
b stands on the mounting wall 55. Pressing blades 54a, 54
b protrudes from the inner surfaces of the side walls 56a, 56b in a direction in which the pair of side walls 56a, 56b approach each other.

The press-contact blades 54a and 54b press the wire 2b between each other, thereby cutting the sheath of the wire 2b and contacting the core wire. Pressing blades 54a, 54b
Is electrically connected to the electric wire 2b. That is, the pressing blade 5
4a and 54b press-contact with the electric wire 2b.

The electric contact portion 52 is connected to one edge of the mounting wall 55 in the width direction. That is, the electric contact portion 52 is connected to the electric wire connection portion 51. The electric contact portion 52 and the electric wire connection portion 51 are arranged at positions where the planar shape of the JB press contact terminal 50 is L-shaped. The electric contact portion 52 is disposed at a position bent from the longitudinal direction of the electric wire 2 b mounted on the mounting wall 55 with respect to the electric wire connection portion 51.

The electric contact portion 52 is formed in a rectangular tube shape. The electric contact portion 52 is arranged such that its cylindrical hole communicates with a hole (not shown) of the press contact plate 60. Electric contact part 52
A connection bar 70 shown in FIG. 25 or the like as a connection piece is inserted into the cylindrical hole.

The connection bar 70 is made of a conductive metal or the like and is formed in a strip shape. A connection spring piece 57 is provided in the cylindrical hole of the electric contact portion 52. The connection spring piece 57 presses the connection bar 70 toward the inner surface of the cylindrical hole of the electric contact portion 52. The connection spring piece 57 is connected to the connection bar 7.
0 and the electrical contact portion 52 are electrically connected.

The electric contact portions 52 electrically connect the JB press contact terminals 50 which are overlapped with each other by inserting the connection bar 70 into the cylindrical hole when the press contact plates 60 are stacked on each other. Thus, the electric contact portion 52 is connected to another JB press contact terminal as another terminal fitting.

The locking piece 58 is formed by cutting out a part of the side walls 56a and 56b. The locking piece 58 is attached to the side wall 5.
6a and 56b. Each locking piece 58 has one end connected to the side walls 56a and 56b, and the other end separated from the side walls 56a and 56b. Each of the locking pieces 58 has a pair of side walls 56a, 56
b protrudes outward from the outer surface. The locking piece 58 is J
When the B pressure contact terminal 50 is mounted on the pressure contact plate 60, the other end can be locked to an inner surface of a partition 63b described later.

The JB press-connecting terminal 50 is configured such that the electric wire connecting portion 51 has a groove main body 6 of an electric wire accommodating groove 61 of the press-contact plate 60 which will be described later.
1a, and the electrical contact portion 52 is
1 is housed in a housing section 64 described later. The JB press contact terminal 50 has a locking piece 58
Is pressed and pressed into the groove main body 61a and the housing portion 64. The JB press contact terminal 50 is housed (or may be held or mounted) in the press contact plate 60 by being pressed into the groove main body 61a and the housing portion 64.

The press contact plate 60 is made of an insulating synthetic resin or the like, and is formed in a plate shape, that is, a flat plate shape.
As shown in FIGS. 21 to 23, the press contact plate 60 includes a rectangular plate main body 62 and a plurality of electric wire accommodation grooves 6.
And 1. The plate main body 62 includes a substantially flat bottom wall 63a and a plurality of partition walls 63 erected from the bottom wall 63a.
b.

The partitions 63b are parallel to each other and are spaced apart from each other. The partition walls 63b extend along the longitudinal direction of the plate body 62, respectively.

The wire receiving groove 61 is formed so as to be surrounded by the adjacent partition 63b and the bottom wall 63a. Wire receiving groove 6
1 are arranged side by side along the width direction of the plate main body 62, that is, along the direction in which the partition walls 63b are arranged side by side. The wire receiving grooves 61 are parallel to each other. The wire housing groove 61 extends along the longitudinal direction of the plate body 62. The wire housing groove 61 is provided between the wire 2b and the JB press contact terminal 50.
And can be accommodated.

As shown in FIG. 22, the wire housing groove 61
It has a groove main body 61a and a housing portion 64. Groove body 6
1a is formed by the inner surface of the adjacent partition 63b and the surface of the bottom wall 63a. The groove main body 61 a
3b. The groove body 61a is connected to the electric wire 2b.
And the wire connecting portion 51 of the JB press-connecting terminal 50 are accommodated.

[0156] The accommodating portion 64 includes a pair of adjacent partition walls 63b.
Is formed so as to be concave from the partition 63b so as to widen the distance between the two. The accommodating portions 64 are provided in each of a pair of adjacent partition walls 63b forming one electric wire accommodating groove 61. The accommodating portion 64 extends along the longitudinal direction of the groove main body 61a.
The one partition 63b and the other partition 63b are provided alternately.

In this way, the housing portion 64 is
Are provided in parallel along the longitudinal direction of the groove main body 61a. The accommodating portion 64 is provided with the electric contact portion 5 of the JB press contact terminal 50.
2 is housed. The accommodation portion 64 is provided with one hole. The holes are respectively provided on the bottom wall 63 of the plate body 62.
a.

The pressing plate 60 has a plurality of locking projections 66 and a plurality of locking receiving projections (not shown). The locking projection 66 and the locking receiving projection lock each other. When configuring the branch unit 8 described above,
The locking projections 66 and the locking receiving projections are locked to each other, and the press contact plates 60 are fixed to each other.

The press contact plate 60 is provided with the JB press contact terminal 50.
The longitudinal direction of the groove main body 61a of the wire housing groove 61,
The electric wire receiving grooves 61 are arranged on the bottom wall 63a along two directions intersecting each other in a direction in which the electric wire receiving grooves 61 are arranged side by side. That is, the press contact plate 60 arranges the JB press contact terminals 50 on the bottom wall 63a in a two-dimensional matrix.

When assembling the branch unit 8,
First, when assembled as a branch unit 8, an auxiliary connector for connecting a common signal input from the input connector 7b via the electric wire 2b to the auxiliary machine 4 requiring the common signal via the electric wire 2b. The JB press contact terminal 50 is mounted on the groove main body 61a of the press contact plate 60 and the accommodation portion 64 so that the JB press contact terminal 50 can be distributed to the press contact plate 7a. At this time, the JB insulation displacement terminal 50
Is attached to the plate body 62 close to the bottom wall 63a. The locking piece 58 is locked to the inner surface of the partition wall 63b, and the JB press contact terminal 50 is accommodated in the wire accommodating groove 61 and fixed to the press contact plate 60.

Then, the electric wire 2b is pressed against the JB press-contact terminal 50 housed in the groove main body 61a and the housing portion 64. At this time, the electric wire 2b is connected to the press-contact blade 5 of the electric wire connection portion 51.
4a and 54b, and inserted into the wire receiving groove 61. The JB press-connecting terminals 50 to which the same electric wire 2b is pressed are electrically connected to each other.

In this state, the pressing plate 60 is
As shown in FIG. 7, the plate bodies 62 are stacked parallel to each other and at intervals. Then, the press contact plates 60 are brought close to each other, and the locking projections 66 and the locking receiving projections are locked and fixed to each other. In the press-contact plate 60, the connection bar 70 is inserted into a predetermined hole and a cylindrical hole of the electric contact portion 52, and forms the branching unit 8 as shown in FIG. 21.

The branch unit 8 selects the position where the JB press-connecting terminal 50 is disposed on the bottom wall 63a and the position where the connection bar 70 is inserted, so that the electric wire 2b that is press-contacted to the JB press-contact terminal 50 can be preliminarily formed. Connect according to the determined pattern. Therefore, the branch unit 8
By selecting the position where the JB press contact terminal 50 is arranged on the bottom wall 63a and the position where the connection bar 70 is inserted,
Auxiliary equipment connector 7a for connecting the shared signal input from input connector 7b to auxiliary equipment 4 requiring the shared signal.
Can be reliably distributed.

For this reason, the branch unit 8 shown in FIG.
Can reliably distribute the shared signal input from the input connector 7b to the accessory connector 7a according to a desired pattern. Therefore, the system sub-harness 11,
The connectors 3, 3a of 12, 13, 14, 15 and the accessory connector 7a of the shared sub-harness 6 are connected to the desired accessory 4
, The signal required for each accessory 4 constituting each system can be reliably transmitted.

The branch unit 8 shown in FIG. 26 includes a substrate 81 made of insulating synthetic resin, a tab 82 erected from the substrate 81, and a conductor pattern 83 formed on the surface of the substrate 81. ing. The substrate 81 has a substantially rectangular planar shape.

A plurality of tabs 82 are provided. In the illustrated example, the tabs 82 are juxtaposed along the outer edge of the substrate 81. Each of the tabs 82 is made of a conductive metal or the like, and has a pair of press contact blades 82a and 82b.
The pair of press contact blades 82 a and 82 b are arranged side by side along the edge of the substrate 81. A pair of press contact blades 82a, 82b
Press-fits the wires 2b between each other,
Then, the covering portion of the wire 2b is cut into contact with the core wire of the electric wire 2b.
The pair of press contact blades 82a and 82b are connected to the electric wire 2b.
That is, the pair of press contact blades 82a and 82b press the electric wire 2b.

The conductive pattern 83 is made of, for example, a conductive metal such as copper, and is formed in a thin film shape. The conductor pattern 83 is attached to the surface of the substrate 81. The conductor pattern 83 electrically connects the tabs 82 to each other according to a predetermined desired pattern. It should be noted that this predetermined desired pattern means that the electric wire 2
In this pattern, the common signal input from the input connector 7b via the connector b can be distributed to the auxiliary connector 7a connected to the auxiliary machine 4 requiring the common signal via the electric wire 2b.

In the branch unit 8 shown in FIG. 26 as well, the conductor pattern 83 connects the tabs 82 to each other according to the desired pattern described above. Therefore, the branch unit 8 can reliably distribute the shared signal input from the input connector 7b to the accessory connector 7a connected to the accessory 4 requiring the shared signal.

For this reason, the branch unit 8 shown in FIG.
Can reliably distribute the shared signal input from the input connector 7b to the accessory connector 7a according to a desired pattern. Therefore, the system sub-harness 11,
A connector 3,3a of 12, 13, 14, 15, the desired and accessory connector 7a of the shared sub-harnesses 6, the auxiliary machine 4
, The signal required for each accessory 4 constituting each system can be reliably transmitted.

The branch unit 8 shown in FIG.
In the figure, the tab 82 and the conductor pattern 83 are
Is provided only on one surface. However, in the present invention, the tab 82 and the conductor pattern 83 may be provided on both surfaces of the substrate 81. When installing the branch unit 8 shown in FIG. 26 in the automobile or the like, it is desirable to house it in an insulating case (not shown).

In the present invention, the connectors 3a and 7a to be connected to the connector 5 of the same auxiliary machine 4
As shown in FIG. 31A and FIG. 31B, the connector housings 16, 17, 18 and the like which can be combined and separated from each other may be used. Of course, these connector housings 16, 17, and 18 accommodate the terminal fittings 19.

The connector housings 16, 17, 18
Each is made of an insulating synthetic resin and has a terminal accommodation groove 1
6a, 17a and 18a. The connector housing 16, 17 and 18, respectively, the terminal accommodating grooves 16
a, 17a, 18a are arranged along one direction. These terminal receiving grooves 16a, 17a, 18a are respectively
It extends in a straight line. These terminal receiving grooves 16a, 17
a, 18a are parallel to each other.

In the illustrated example, the connector housing 1
Connector housing 16 of one of 6, 17, and 18
Has ten terminal receiving grooves 16a. Another connector housing 17 has five terminal receiving grooves 17a. Still another connector housing 18 has four terminal receiving grooves 18a.

The connector housings 16, 17, 18
Is provided with an engaging portion 20 and an engaging receiving portion 21 which engage with each other. The engagement portions 20 and the engagement receiving portions 21 are engaged with each other, and the connector housings 16, 17, and 18 are integrated as shown in FIG. That is, one of the connectors 3 a of the system sub-harnesses 11, 12, 13, 14, and 15 and the second connector 7 a of the shared sub-harness 6 include the engaging portion 20 and the other includes the engaging receiving portion 21. I have. When the engagement portion 20 and the engagement receiving portion 21 are engaged, the terminal housing grooves 16a, 17a, 18a of the connector housings 16, 17, 18 are parallel to each other.

Note that, in the illustrated example, the connector housings 17 and 18 are connected along the direction in which the terminal receiving grooves 17a and 18a are arranged side by side, and these connector housings 17 and 18 are stacked on the connector housing 16. Thus, in the illustrated example, the three connector housings 16, 17, and 18 are engaged with each other.

However, according to the present invention, for example, when one connector 3a and one accessory connector 7a are connected to the same accessory 4, the connector housing indicated by reference numeral 16 in FIG. One used may be these two connector housings 16 to be laminated to each other. As described above, in the present invention, the terminal accommodating grooves 16a, 17
The connector housings 16, 17, and 18 may be configured so as to have an arbitrary number of a and 18a, and these connector housings 16, 17, and 18 may be arbitrarily combined.

In this manner, the connectors 3a and 7a, which are connected to the connector 5 of the same auxiliary machine 4, are integrated with each other by the engagement of the engagement portion 20 and the engagement receiving portion 21 as shown in FIG.
As shown in (b), while the lid 22 is attached, the bus bar 23 is attached as needed. Lid 2
Numeral 2 is made of an insulating synthetic resin or the like, and has a flat lid body 22a, the engagement receiving portion 21, and a lock arm 22b.
And

The lid 22 is overlaid on the connector housings 17, 18 and the like in which the lid main body 22a is connected to each other. The engaging portions 20 of the connector housings 17 and 18 are engaged with the engaging receiving portions 21 of the lid 22. The cover 22 engages with the engagement receiving portion 21 with the engagement portion 20 of the connector housing 17, 18, and the connector housing 16,
17 and 18 are fixed.

The lock arm 22b is formed in an arm shape, and has one end connected to the lid body 22a. The lock arm 22b is elastically deformable so that the other end approaches the lid main body 22a. The lock arm 22 b has a connector housing 16, 17, 18 to which the lid 22 is fixed in the longitudinal direction.
Along the terminal receiving grooves 16a, 17a, 18a. The lock arm 22b has a lock protrusion 22c that protrudes outward. The lock projection 22c can be engaged with the lock hole of the connector 5 described above.

The bus bar 23 has an insulating strip 23a.
And a conductive contact plate 23b. Band 2
3a is formed in a strip shape. The contact plate 23b is overlaid on each of a pair of opposite surfaces of the strip 23a. On the contact plate 23b, the strip 23a
A plurality of contact pieces 23c that can be freely contacted and separated from the surface are connected. These contact pieces 23c are arranged along the longitudinal direction of the strip 23a.

The bus bar 23 is provided with the terminal receiving groove 16a,
Connector housings 16, 17, 1 overlapping each other in a state in which the longitudinal direction is along the direction in which 17a and 18a are arranged side by side.
Inserted between 8. Then, the contact piece 23c is attached to the terminal fitting 1 accommodated in the terminal accommodating grooves 16a, 17a, 18a.
Contact 9 When the contact piece 23c contacts the terminal fitting 19, these terminal fittings 19 are electrically connected to each other. When the bus bar 23 keeps the terminal fittings 19 electrically insulated, the contact pieces 23c that come into contact with the terminal fittings 19 that maintain the insulation state are cut off from the contact plate 23b.

The connectors 3a and 7a which are connected to the connector 5 of the same auxiliary machine 4 are provided with an engagement portion 20 and an engagement receiving portion 2 respectively.
1 are engaged with each other to be integral with each other, and the lid 22 is attached. Furthermore, connector housing 1
The bus bar 23 is inserted between the terminals 6, 17, and 18, and the terminal fittings 19 inserted into the terminal receiving grooves 16a, 17a, and 18a are electrically connected according to a desired pattern.

The connectors 3a, 3b and 7a integrated with the lid 22 and the bus bar 23 are inserted into the connector housing 5a of the connector 5 of the auxiliary machine 4. Then, the lock arm 22b is elastically deformed in a direction in which the other end approaches the lid main body 22a. Then, the lid 22 and busbar 2
The connectors 3a, 3b, and 7a integrated with the connector 3 and the like are engaged with the connector 5 of the auxiliary machine 4 by the engagement of the lock projections 22c with the lock holes. At this time, the tabs of the terminal fittings of the connector 5 of the auxiliary machine 4 penetrate into the electrical contact portions 19a of the terminal fittings 19 of the connectors 3a, 3b, 7a, and the terminal fittings of the connector 5 of the auxiliary machine 4 and the connector 3a. , 3b, 7a
Is electrically connected to the terminal fitting 19.

As described above, in the case shown in FIG. 31, the connectors 3a of the system sub-harnesses 11, 12, 13, 14, and 15 connected to the connector 5 of the same auxiliary equipment 4, and the auxiliary equipment of the shared sub-harness 6 Connector 7a and the engaging portion 20
And the engagement receiving portion 21 are engaged with each other to be integrated. For this reason, it is possible to suppress the mechanical size of the connection portion between the auxiliary device 4 and the wire harness 1.

[0185] In the present invention, the common signal receiver 1
10 accommodation rooms 102, 103, 104, 105, 10
The arrangement of 6, 107, 108 is not limited to the example shown in the figure, and if the arrangement is the same between the connectors 5 of the auxiliary machine 4, it is needless to say that the arrangement can be changed as needed.

Further, in the present invention, each of the accommodation chambers 1 described above is provided.
02, 103, 104, 105, 106, 107, 10
It is not always necessary to accommodate the terminal fittings 5b described above in all of them. According to the present invention, each of the accommodating chambers 102, 103, 104, 105, 106,
The arrangement of 7, 108 may be the same, and the terminal fitting 5b may be appropriately provided to receive a signal required for each auxiliary machine 4. Further, each auxiliary machine 4 is provided in the accommodation room 10.
2,103,104,105,106,107,108
The storage chambers 102, 103, 104, and 10 provided between these auxiliary machines 4 should be provided.
It suffices that the arrangements of 5, 106, 107 and 108 are equal.

[0187]

As described above, according to the present invention as set forth in claims 1 to 3, at least two or more auxiliary equipment common signal receiving units are provided with auxiliary equipment terminal fittings provided for each shared signal. They are arranged in the same arrangement. For this reason, the wiring harness connectors and the like connected to each of these accessories have the same arrangement of terminal fittings.

As described above, the arrangement of the terminal fittings for the auxiliary equipment of the auxiliary equipment of the automobile can be standardized, and the arrangement of the terminal equipment such as the connector of the wire harness connected to the auxiliary equipment can also be standardized. For this reason, an operator who assembles the wire harness is less likely to mistake a terminal accommodating chamber for accommodating terminal fittings of the wire harness. Therefore, the labor required for assembling the wire harness is reduced, and a decrease in the yield of the wire harness can be suppressed. Further, it is possible to prevent the connection between the electric wires constituting the wire harness from becoming complicated.

The present invention according to claim 4 is divided into a system sub-harness corresponding to each system and a shared sub-harness for transmitting a common signal shared by a plurality of systems. For this reason, in the final assembling step of assembling the sub-harnesses with each other, it is not necessary to connect the electric wires between the sub-harnesses.

Further, the connector of the system sub-harness and the second connector of the common sub-harness are connected to the same auxiliary device. Therefore, in the final assembling step of assembling the sub-harnesses with each other, it is not necessary to insert the terminal fitting of one sub-harness into the connector housing of another sub-harness.

Therefore, in the final assembling step of assembling the sub-harnesses with each other, there is no need to transport these sub-harnesses to the joint crimping machine, the resistance welding machine, the terminal insertion device, or the like. Therefore, a reduction in the production efficiency of the wire harness connected to the auxiliary machine can be suppressed.

According to the present invention, the connector of the system sub-harness connected to the same auxiliary machine and the second connector of the common sub-harness engage with each other. For this reason, it is possible to suppress the mechanical size of a connection portion where the connector is connected to the accessory. Therefore, it is possible to suppress a decrease in the production efficiency of the wire harness, and it is possible to reduce the size of accessories and the like.

According to the sixth aspect of the present invention, the common signal input from the input connector by the branch unit of the common sub-harness is distributed to the auxiliary connector. For this reason, by connecting each connector of the system sub-harness and each accessory connector of the common sub-harness to a desired accessory, a signal necessary for each accessory constituting each system is reliably transmitted. be able to.

Therefore, in the final assembling step of assembling the sub-harnesses with each other, it is not necessary to connect the electric wires between the sub-harnesses, and the terminal fitting of one sub-harness is inserted into the connector housing of the other sub-harness. There is less need to insert.

Therefore, in the final assembling step of assembling the sub-harnesses with each other, there is no need to transport these sub-harnesses to the joint crimping machine, the resistance welding machine, the terminal insertion device or the like. Therefore, a decrease in the production efficiency of the wire harness can be further suppressed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of an electric device of an automobile according to an embodiment of the present invention.

FIG. 2A is an explanatory view schematically showing an arrangement of terminal receiving chambers of a connector housing as viewed from a direction of an arrow IIA in FIG. 1; FIG. 2B is an explanatory view schematically showing the arrangement of the terminal accommodating chambers of the connector housing as viewed from the direction of arrow IIB in FIG. 1.

FIG. 3 is a wiring diagram of a wire harness connected to the electric device of the automobile shown in FIG. 1;

FIG. 4 is a wiring diagram of a shared sub-harness of the wire harness shown in FIG. 3;

FIG. 5 is a wiring diagram of a first system sub-harness of the wire harness shown in FIG. 3;

FIG. 6 is a wiring diagram of a second system sub-harness of the wire harness shown in FIG. 3;

FIG. 7 is a wiring diagram of a third system sub-harness of the wire harness shown in FIG. 3;

FIG. 8 is a wiring diagram of a fourth system sub-harness of the wire harness shown in FIG. 3;

FIG. 9 is a wiring diagram of a fifth system sub-harness of the wire harness shown in FIG. 3;

FIG. 10 is a wiring diagram showing a state where the system sub-harnesses shown in FIGS. 5 to 9 are bundled.

FIG. 11 is a wiring diagram showing a main part of the wire harness shown in FIG. 3;

FIG. 12 is a perspective view showing a JC press contact terminal of the branch unit of the wire harness shown in FIG. 3;

13 is a perspective view showing a state in which the JC press contact terminals shown in FIG. 12 are superimposed on each other and are electrically connected to each other.

14 is a perspective view showing a state where the JC press-connecting terminals shown in FIG. 12 are juxtaposed and electrically connected to each other.

FIG. 15 is a perspective view illustrating a press-contact housing of the branch unit of the wire harness illustrated in FIG. 3;

16 is a perspective view showing a state in which a JC press contact terminal is pressed into the press contact housing shown in FIG. 15;

17 is a perspective view showing a state in which a JC press contact terminal is held in the press contact housing shown in FIG. 15;

18 is a perspective view showing a state where an electric wire is pressed against a JC press-connecting terminal held by the press-contact housing shown in FIG. 17;

19 is a perspective view showing a state in which the press-contact housings shown in FIG. 18 are overlapped with an interval therebetween.

20 is a perspective view showing a branch unit of the wire harness shown in FIG.

FIG. 21 is a perspective view showing a modification of the branch unit of the wire harness shown in FIG.

FIG. 22 is a perspective view showing a press-contact plate and the like of the branch unit shown in FIG. 21;

FIG. 23 is a perspective view showing a state in which the press contact plates shown in FIG. 22 are stacked with an interval therebetween.

24 is a perspective view showing a JB press contact terminal of the branch unit shown in FIG. 21.

25 is a perspective view showing a connection bar of the branch unit shown in FIG. 21.

FIG. 26 is a perspective view showing another modification of the branch unit of the wire harness shown in FIG. 3;

FIG. 27 is a perspective view showing a modified example of the connector housing of the electric device of the automobile shown in FIG. 1;

FIG. 28A is an explanatory view schematically showing the arrangement of the terminal accommodating chambers of the connector housing as viewed from the direction of arrow A in FIG. 27; FIG. 29B is an explanatory diagram schematically showing a state where the housings of the connector housing shown in FIG.

FIG. 29 is an explanatory view showing another modification of the connector housing of the electric device of the automobile shown in FIG. 1; (A) is explanatory drawing which shows typically arrangement | positioning of the terminal accommodation room of a connector housing. FIG. 30B is an explanatory diagram schematically showing a state where the housings of the connector housing shown in FIG. 29A are united with each other.

FIG. 30 is an explanatory view showing still another modified example of the connector housing of the electric device of the automobile shown in FIG. 1;
(A) is explanatory drawing which shows typically arrangement | positioning of the terminal accommodation room of a connector housing. FIG. 30B is an explanatory view schematically showing a state where the housings of the connector housing shown in FIG.

FIG. 31A is a perspective view showing a modification of the connector housing of the connector of the wire harness shown in FIG. 3; FIG. 32B is a perspective view showing a state where the connector housings shown in FIG.

FIG. 32 is an explanatory view schematically showing an arrangement of a terminal accommodating chamber of a connector housing of a conventional electric device of an automobile.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wire harness 2 Electric wire 2a Electric wire 2b Electric wire (2nd electric wire) 3, 3a Connector 4 Auxiliary equipment 5b Terminal fitting (Auxiliary equipment terminal fitting) 5d Terminal accommodation room (Auxiliary equipment terminal accommodation room) 6 Shared sub-harness 7 Second Connector (connector) 7a Connector for auxiliary equipment 7b Input connector 8 Branch unit 11 First system sub-harness 12 Second system sub-harness 13 Third system sub-harness 14 Fourth system sub-harness 15 Fifth system sub Harness 19 Terminal fitting 20 Engagement part 21 Engagement receiving part 100 Automotive electrical equipment 110 Shared signal receiving part

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B60R 16/02 665 B60R 16/02 665Z H01R 24/00 H01R 107: 00 // H01R 107: 00 23/02 B

Claims (6)

[Claims] 1. An electric device for a vehicle having a plurality of auxiliary devices, wherein the auxiliary device includes a wire harness arranged in the vehicle and transmitting a plurality of common signals used by two or more of the plurality of auxiliary devices. And at least two of the plurality of auxiliary devices include a shared signal receiving unit capable of receiving the plurality of shared signals, and the shared signal receiving unit includes a shared signal receiving unit for each of the shared signals. And a terminal fitting for auxiliary equipment that can be connected to the terminal fitting of the wire harness, and a terminal storage chamber for auxiliary equipment that can store the terminal fitting for auxiliary equipment. Along with being provided for each of the shared signals, the shared signal receiving units of two or more of the auxiliary machines can be arranged with the same terminal arrangement for the auxiliary equipment provided for each of the shared signals. Automotive electrical equipment characterized by . Wherein said common signal, the electric power supplied from a power supply device mounted on the motor vehicle, and the ground of the motor vehicle, in order to gradually brighten the illumination of the display portion of a switch device mounted on the motor vehicle A switch illumination increase signal, a switch illumination reduction signal for gradually dimming the illumination of the display unit of the switch device, a pair of multiplex communication signals flowing simultaneously in opposite phases to a pair of electric wires, respectively, The vehicle electrical equipment according to claim 1, comprising two or more of: a traveling state signal indicating a state. 3. The shared signal is used to gradually increase the power supplied from a power supply device mounted on the vehicle, the ground of the vehicle, and the illumination of a display unit of a switch device mounted on the vehicle. A switch illumination increase signal, a switch illumination reduction signal for gradually dimming the illumination of the display unit of the switch device, a pair of multiplex communication signals flowing simultaneously in opposite phases to a pair of electric wires, respectively, A driving state signal indicating a state, and the auxiliary equipment terminal fittings correspond to the power, ground, switch illumination increase signal, switch illumination reduction signal, a pair of multiplex communication signals, and the traveling state signal, respectively. And a shared signal receiving unit for two or more of the auxiliary machines, the power, ground, switch illumination increase signal, and switch illumination reduction signal. A pair of the auxiliary terminal fittings corresponding to each of the multiplex communication signal and the traveling state signal, automobile electrical apparatus according to claim 1, characterized in that arranged in the same sequence each other. 4. The vehicle has a plurality of systems that realize functions and have at least one of the plurality of auxiliary machines, and the wire harness is provided corresponding to each of the systems, and A system sub-harness that has a plurality of connectors and electric wires that interconnect these connectors, and that transmits signals unique to the system; and interconnects the plurality of second connectors and these second connectors. A shared sub-harness that has a second electric wire and transmits the shared signal; and at least one of the plurality of accessories has at least one connector of a corresponding system sub-harness;
4. The electric device for an automobile according to claim 1, wherein the at least one second connector of the common sub-harness is connected to the common sub-harness. 5. 5. A connector in which one of the connector of the system sub-harness and the second connector of the common sub-harness connected to the same auxiliary machine has an engagement portion and the other engages with the engagement portion. The electrical device for a vehicle according to claim 4, further comprising a receiving portion, wherein the engaging portion and the engaging receiving portion are engaged with each other and connected to the same auxiliary device. 6. One of the plurality of second connectors of the common sub-harness is an input connector to which the common signal is input, and the other is an auxiliary machine connector connected to the auxiliary machine. shared the shared sub-harnesses includes a branching unit connected via said input connector and both the connector the auxiliary second wire, the branch unit is inputted from the input connector 6. The electric device for an automobile according to claim 4, wherein the signal is distributed to an auxiliary connector for connecting to an auxiliary device requiring the shared signal.