JP2003309382A - Wiring board - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wiring board, capable of reducing cost by facilitating the design relating to a wiring. <P>SOLUTION: Each one end or one end side of a plurality of wires 2 is respectively brought into pressure contact with a corresponding pressure contact terminal 10 provided on a base board body 4. Each the other end of the wires 2 is respectively connected to corresponding connector terminals. Connectors 5, having the connector terminal, are fixed to the base board main body 4, and a meter wiring board 1 is formed as a wiring board. It is preferably that the connectors 5 be mounted to a case 6 for integration, and are fixed to the base board body 4 in a state of their being integrated. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring board suitable for use in, for example, a combination meter or an electric junction box of an automobile.

[0002]

2. Description of the Related Art A combination meter will be described below as an example. FIG. 14 shows a conventional combination meter. The combination meter 100 includes a case 101, a speedometer 200, and a tachometer 30.
0, a water temperature gauge 400, a fuel gauge 500, and an odrip assembly 600 are assembled.

The case 101 is a loop-shaped outer peripheral wall portion 1.
02 and a bottom wall portion 103 that covers the entire inner surface of the outer peripheral wall portion 102 on the back surface side, and is formed in a substantially U-shaped cross section. In addition, a flexible wiring board 110 serving as a wiring board for the combination meter is provided on the back surface side of the bottom wall portion 103.
Is attached. The flexible wiring board 110
Are attached so as to cover substantially the entire surface of the bottom wall portion 103.

Speedometer 200, tachometer 30
0, each internal unit 201 of water temperature gauge 400, and fuel gauge 500,
301, 401, and 501 are electrically connected to dedicated hard wiring boards 202, 302, and 402 each having a drive circuit. Also, each dedicated hard wiring board 2
It is assembled in the case 101 by fixing 02, 302, and 402 to the surface side of the bottom wall portion 103. The internal units 401 and 501 of the water temperature gauge 400 and the fuel gauge 500 are fixed to a common dedicated hard wiring board 402.

On the surface side of the bottom wall portion 103, the light guide plates 203, 303, and 403 of the speedometer 200, the tachometer 300, the water temperature gauge 400, and the fuel gauge 500 (common to the water temperature gauge 400 and the fuel gauge 500). Is formed) is further fixed. In addition, the dial 120 is fixed so as to contact the front portions of the light guide plates 203, 303, and 403 and cover the entire opening of the case 101.

The odrip assembly 600 is constructed by fixing a dedicated hard wiring board (not shown) having a drive circuit to the side surface, and the dedicated hard wiring board is used for the tachometer 30.
No. 0 dedicated hard wiring board 302 is electrically connected, and the LED 600a is exposed from the windows 101a and 120a of the case 101 and the dial 120 to expose the case 101.
Is attached to.

The pointers 204, 304, 404, and 504 are press-fitted and attached to the pointer shafts of the inner units 201, 301, 401, and 501 protruding to the front side of the dial 120, respectively. In FIG. 14, reference numeral 10
Reference numerals 1b and 110a denote the insertion holes of the illumination bulb formed in the bottom wall portion 103 and the flexible wiring board 110, respectively. The lighting bulb is a flexible wiring board 110.
Electrically connected to.

[0008] The combination meter 100 is constructed as a whole by attaching a facing plate (not shown) to the front side of the dial 120 and attaching a front glass (not shown) to the facing face.

[0009]

The wiring on the back of various meters including the combination meter 100 of the prior art described above usually has some limitations, and as a result, the wiring design is very difficult. It makes it difficult and raises the cost.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a wiring board capable of facilitating wiring design and reducing costs.

[0011]

A wiring board according to the present invention, which has been made to solve the above-mentioned problems, has one end of each of a plurality of electric wires or one end side thereof respectively corresponding to corresponding pressure contact terminals provided on a substrate. It is characterized in that it is formed by pressing and connecting each other end of the electric wire to the corresponding connector terminal, and then fixing the connector having the connector terminal to the substrate.

A wiring board according to a second aspect of the present invention is characterized in that, in the wiring board according to the first aspect, a plurality of the connectors are fixed to the substrate.

A wiring board according to a third aspect of the present invention is characterized in that, in the wiring board according to the second aspect, the plurality of connectors are integrally fixed to the substrate.

A wiring board according to a fourth aspect of the present invention is the wiring board according to any one of the first to third aspects, wherein the board has a connector fixing portion parallel or angled to the board. Is provided, and the connector is fixed to the substrate via the bracket.

A wiring board according to a fifth aspect of the present invention is the wiring board according to any one of the first to third aspects, wherein an adapter having a connector fixing portion parallel or angled to the board is provided on the board. Is provided separately, and the connector is fixed to the substrate via the adapter.

According to the present invention as set forth in claim 1,
Since a plurality of electric wires are laid on the board by the pressure contact structure, and the connector provided at the end of the laid electric wire is a wiring board having a structure that is fixed to the board in the state of being attached later, It is possible to design without worrying about restrictions on connection positions and routes related to wiring.

According to the present invention described in claim 2,
Since there are a plurality of connectors fixed to the board, the degree of freedom in design is improved as compared with one connector. Also,
It is possible to shorten the route related to the wiring.

According to the present invention described in claim 3,
Since the plurality of connectors are fixed to the substrate in an integrated state, it is possible to reduce the fixing space in a state where the route related to the wiring is shortened.

According to the present invention described in claim 4,
Since the direction of the connector fixed to the board via the bracket is parallel or angled with respect to the board, the degree of freedom in designing with respect to the connection partner is improved.

According to the present invention described in claim 5,
The direction of the connector fixed to the board via the adapter is parallel or angled with respect to the board, and thus the degree of freedom in designing the connection partner is improved.

[0021]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1A and 1B are views showing an embodiment of a wiring board of the present invention. FIG. 1A is a rear view of a meter wiring board before fixing a connector, and FIG. 1B is a rear view of a meter wiring board after fixing a connector. . 2 is a front view for explaining the assembly of the meter wiring board, FIG. 3 is a perspective view showing an example of the block wiring board of FIG. 2, and FIG. 4 is a rear view for explaining the assembly of the meter wiring board. is there. further,
FIG. 5 is a perspective view of the connector terminal, and FIG. 6 is a diagram for explaining the integration of the connector.

A meter wiring board that constitutes a combination meter of an automobile will be described below as an example of the wiring board of the present invention.

In FIGS. 1 and 2, the meter wiring board 1
Wire the plurality of electric wires 2 on the back surface of the substrate body 4 by using the pressure contact structure of each block wiring board 3, and connect the connectors 5 and 5 provided at the ends of the electric wires 2 via the case 6 for integration. It is formed so as to be fixed to the substrate body 4 in a state of being attached later.

The substrate main body 4 corresponds to the substrate described in the claims, and a plurality of mounting portions 7 penetrating the front and back are formed at desired positions of the substrate main body 4. A corresponding block wiring board 3 is attached to each mounting portion 7 afterwards.

The plurality of block wiring boards 3 are formed by mounting one block of functional components that have been made into blocks on the surface of the substrate 8. In the present embodiment, each functional component (9, 11, 12, 13, etc.) respectively.

The block wiring board 3a of the meter system circuit is
A substrate 8a, a stepping motor 9 mounted on the front surface of the substrate 8a, electronic components (not shown) mounted on the rear surface of the substrate 8a, and a plurality of pressure contact terminals 10 also provided on the rear surface. Has been done. Further, the block wiring board 3a of the meter system circuit is provided with fixing means (for example, a claw-shaped lock or the like) (not shown) for the corresponding mounting portion 7.

Block circuit board 3b of warning circuit
Is a board 8b and LEs mounted on the surface of the board 8b.
D11, an electronic component (not shown) mounted on the back surface of the substrate 8b, and a plurality of pressure contact terminals 10 also provided on the back surface (see FIG. 3). Further, the block wiring board 3b of the warning circuit is provided with a fixing means (for example, a claw-shaped lock or the like) (not shown) for the corresponding mounting portion 7.

The block wiring board 3c of the IND circuit includes a board 8c and LEDs 11 mounted on the surface of the board 8c.
And electronic components (not shown) mounted on the back surface of the substrate 8c
And a plurality of pressure contact terminals 10 similarly provided on the back surface (see FIG. 3). Further, the block wiring board 3c of the IND circuit is formed with fixing means (not shown) such as a claw-shaped lock for the corresponding mounting portion 7.

Block wiring board 3d of odtrip circuit
Includes a board 8d, an odrip assembly 12 mounted on the front surface of the board 8d, and a plurality of pressure contact terminals 10 provided on the back surface of the board 8d. Also,
On the block wiring board 3d of the odtrip circuit, a fixing means (not shown) (for example, a claw-shaped lock) for the corresponding mounting portion 7 is formed.

The block wiring board 3e of the BZ circuit is provided on the back surface of the board 8e, a buzzer assembly 13 mounted on the front surface of the board 8e, electronic components (not shown) mounted on the back surface of the board 8e, and the like. And a plurality of pressure contact terminals 10 that are provided. Further, the block wiring board 3e of the BZ circuit is provided with a fixing means (for example, a claw-shaped lock or the like) not shown for the corresponding mounting portion 7.

Each pressure contact terminal 10 has one end directly or indirectly connected to the functional component, and the other end presses the pressure contact structure, that is, one end or one end side of the electric wire 2. The press contact blade 14 (see FIG. 3) is formed.

The connector 5 has a connector housing 15
And a plurality of connector terminals 16 to which the other ends of the electric wires 2 are connected, as shown in FIG. 5, for example. In the present embodiment, the connector 5 is formed as a press contact connector (but is not limited to this). Further, a plurality of pressure contact blades 17 are formed on the electric wire connecting portion of the connector terminal 16. The number of connectors 5 is not limited to two. It may be one or three or more. Here, there is an advantage that the degree of freedom in designing is improved more than one when the number is plural. There is also an advantage that the wiring path is shortened.

The integration case 6 is a rectangular tubular member, and a part of it is fixed to the lower end of the substrate body 4. Moreover, the case 6 for integration is formed so that the connectors 5 and 5 can be overlapped and integrated in the front-back direction of the substrate body 4. The unifying case 6 is provided with fixing means (not shown) for the connectors 5 and 5.

In the above structure, the block wiring board 3 corresponding to each mounting portion 7 of the substrate body 4 as shown in FIG.
When is attached and fixed, the plurality of press contact terminals 10 as shown in FIG. 4 project on the back surface side of the meter wiring board 1, and the meter wiring board 1 has a function as a wire insulation plate. Then, in this state, the wires 2 are programmable pressure-welded by a wire-pressing machine to wire the wires 2, and the other ends of the wires 2 are connected to the corresponding connector terminals 16 to connect the connectors 5 and 5. (If the pressure is applied to both ends of the electric wire 2 at the same time, productivity can be improved in addition to the effects described below.) Further, the connectors 5 and 5 are attached to the integration case 6 to connect them. The wiring of the meter wiring board 1 is completed by fixing the wirings 5 and 5 to the substrate body 4.

As for the connectors 5 and 5, as shown in FIG. 6, one connector 5 is inserted and fixed in the integration case 6 from the state before the connector is fixed, and then the other connector 5 is integrated. It is integrated by being inserted and fixed in the case 6 (an example).

After wiring is completed, the meter wiring board 1 is mounted in the meter case. Then, when the light guide plate, the dial, the pointer, the front glass, etc. are assembled, the assembly of the combination meter is completed. After that, the stepping motor 9 is driven by the control of the ECU (not shown), and the pointer (not shown) moves. Further, the LED 11 emits light under the control of the ECU.

As described above, by adopting the structure of the meter wiring board 1 as in this embodiment, the wiring design can be facilitated. That is, it is possible to design the wiring without worrying about the connection positions, wiring paths, etc. of the board-mounted components (including the functional components), which are conventionally restricted. Therefore, there is an effect that the cost can be reduced.

Further, by adopting a structure in which the plurality of connectors 5 and 5 are integrated and fixed to the substrate body 4, there is an effect that the fixing space can be reduced in a state in which the route relating to the wiring is shortened.

Further, by adopting a structure having a plurality of block wiring boards 3 having a pressure contact structure, it is possible to perform wiring without extra cost, and it is possible to easily cope with design changes and specification changes. There is an effect that can be.

In addition, it goes without saying that the present invention can be modified in various ways without departing from the spirit of the present invention. That is, for example, the following structure may be adopted. First, although the case 6 for integration is fixed so as to project from the lower end of the substrate body 4 in the above-described embodiment, it may be structured so as to be fixed inside the lower end of the substrate body 4. (See FIG. 7).

Secondly, in the above-mentioned embodiment, the connectors 5 and 5 are fixed so that the orientations thereof are parallel to the substrate body 4, but they are fixed in the vertical orientation as shown in FIG. The structure shown in FIG.
In, reference numeral 18 indicates a case for integration. The flexible locking pieces 19 and 19 provided at the ends are inserted into the substrate body 4 and locked.
Such a case 18 for integration is used so that the connectors 5 and 5 are fixed in the vertical direction.

Thirdly, although the case 6 for integration is used in the above-described embodiment, a plurality of brackets 21 having connector fixing portions 20 parallel or angled (for example, vertical) to the substrate body 4 are provided. A structure may be provided in which the connector 5 is fixed to the board main body 4 via the bracket 21 (see FIGS. 9 and 10). Has the advantage of increasing the degree of freedom).

Next, the wiring board of the present invention will be described with reference to a wiring board which constitutes an electric junction box (J / B) of an automobile. FIG. 11 is a front view of the wiring board. 12 and 13 are side views showing an example of fixing the connector.

11 and 12, the wiring board 31
Is a method of laying a plurality of electric wires 32 on the front surface side of the board 33 using a pressure contact structure, and fixing a connector 34 provided at the end of the electric wire 32 to the board 33 via an adapter 35 in a post-installed state. It is formed to have a structure.

A plurality of grooves 36 for wiring the electric wires 32 and a plurality of protrusions 37 for fitting with the adapter 35 are formed on the substrate 33. Further, a known press contact terminal 38 to which one end or one end side of the electric wire 32 is press contacted is mounted at a desired position in the groove 36.

The connector 34 is the connector housing 3
9 and a plurality of connector terminals 40 (may be the same as the connector terminals 16 in FIG. 5) housed in the connector housing 39. The connector housing 39 is provided with a mounting and fixing portion 41 for a connector fixing portion 43 of the adapter 35, which will be described later.

In this embodiment, the adapter 35 is formed like a cover-shaped member that covers the front surface side of the substrate 33. In such an adapter 35, a plurality of recesses 42 that fit into the protrusions 37 of the substrate 33 and a connector fixing portion 43 for fixing the connector 34 are formed.
The connector fixing portion 43 is formed at a position that is angled (vertical in this embodiment) with respect to the surface of the substrate 33.

In the above structure, the plurality of press contact terminals 38 are mounted on the substrate 33, and in a state of functioning as a wire insulation plate, first, programmable press contact of the electric wire 32 is performed by a press contact machine for wiring, Each electric wire 3
2 is wired in the corresponding groove 36, and each electric wire 32
The other end is connected to the corresponding connector terminal 40 to form four connectors 34. Then, second, the four connectors 3
4 is fixed to the corresponding connector fixing portions 43 of the adapter 35, and thirdly, the adapter 35 to which the connector 34 is fixed is fitted to the substrate 33, and the connector 34 is fixed to the substrate 33 via the adapter 35. Wiring of the wiring board 31 is completed. The wiring board 31 on which wiring has been completed is mounted in a casing that constitutes an electrical junction box.

As described above, by adopting the structure of the wiring board 31 as in the present embodiment, the wiring design can be facilitated. That is, it is possible to design the wiring without worrying about the wiring route and the like, which are conventionally restricted. Therefore, there is an effect that the cost can be reduced. Moreover, since the direction of the connector 34 fixed to the board 33 via the adapter 35 is angled with respect to the board 33, the degree of freedom in designing the connection partner can be improved.

Needless to say, even if the adapter 35 is replaced with an adapter 44 as shown in FIG. 13, the same effect as above can be obtained. That is, the adapter 44 shown in FIG. 13 is formed like a flat plate-like member that covers the front surface side of the substrate 33, and has a plurality of protrusions 46 that fit into the recesses 45 of the substrate 33. (The arrangement is reversed), and a connector fixing portion 47 for fixing the connector 34. The connector fixing portion 47 is provided on the substrate 33.
Is formed so as to be parallel to the surface of the.

In addition, it goes without saying that the present invention can be modified in various ways within the scope of the present invention.

[0052]

As described above, according to the present invention as set forth in claim 1, it is possible to provide a wiring board capable of facilitating wiring design and reducing costs. Play.

According to the present invention described in claim 2,
In addition to the effect of claim 1, there is an effect that the degree of freedom in design can be improved. In addition, there is an effect that the route related to the wiring can be shortened and the weight can be reduced.

According to the present invention described in claim 3,
In addition to the effect of the second aspect, there is an effect that the size can be reduced.

According to the present invention described in claims 4 and 5, in addition to the effect of any one of claims 1 to 3, it is possible to improve the degree of freedom in designing the connection partner. Produce an effect.

[Brief description of drawings]

1A and 1B are diagrams showing an embodiment of a wiring board according to the present invention, in which FIG. 1A is a rear view of a meter wiring board before fixing a connector, and FIG. 1B is a rear view of a meter wiring board after fixing a connector. is there.

FIG. 2 is a front view for explaining assembly of a meter wiring board.

FIG. 3 is a perspective view showing an example of the block wiring board of FIG.

FIG. 4 is a rear view for explaining the assembly of the meter wiring board.

FIG. 5 is a perspective view of a connector terminal.

6A and 6B are views for explaining the integration of the connectors, where FIG. 6A is a schematic view before fixing the connector, and FIG. 6B is a schematic view in which one connector is fixed to the integration case;
(C) is a schematic diagram of a state in which the other connector is fixed to the case for integration.

FIG. 7 is a rear view of a meter wiring board showing another example related to installation of the integration case.

FIG. 8 is a schematic view showing an example of fixing a connector in a vertical direction with respect to a board body.

FIG. 9 is an enlarged view of a main part showing an example in which a connector is fixed via a bracket having a connector fixing part that is parallel to a board body.

FIG. 10 is an enlarged view of a main part showing an example in which a connector is fixed to a board body via a bracket having an angled (vertical) connector fixing part.

FIG. 11 is a front view showing another embodiment of the wiring board according to the present invention.

FIG. 12 is a diagram showing an example in which a connector is fixed to a board through an adapter having an angled (vertical) connector fixing portion, FIG. 12A is a side view of a wiring board before the connector is fixed, and FIG. 8A is a side view of the wiring board after the connector is fixed. FIG.

13A and 13B are views showing an example of fixing a connector through an adapter having a connector fixing portion parallel to a board, FIG. 13A is a side view of a wiring board before fixing the connector, and FIG.
FIG. 4 is a side view of the wiring board after fixing the connector.

FIG. 14 is an exploded perspective view of a combination meter including a conventional wiring board.

[Explanation of symbols]

1 meter wiring board (wiring board) 2 electric wires 3 block wiring board 4 Board body (board) 5 connector 6 Integrated case 7 mounting part 8 substrates 9 Stepping motor 10 Pressure contact terminal 11 LED 12 Odd Trip Assy 13 Buzzer Assy 14 Pressing blade 15 Connector housing 16 connector terminals 17 Pressing blade 18 Integrated case 19 Flexible locking piece 20 Connector fixing part 21 bracket 31 wiring board 32 electric wire 33 substrate 34 connector 35,44 adapter 36 groove 37, 46 protrusion 38 Pressure contact terminal 39 Connector housing 40 connector terminals 41 Mounting and fixing part 42, 45 recess 43, 47 Connector fixing part

Claims (5)

[Claims] 1. A connector in which one end or one end side of a plurality of electric wires is respectively pressure-contacted to a corresponding pressure-contact terminal provided on a substrate, and each other end of the electric wire is connected to a corresponding connector terminal, respectively. A wiring board formed by fixing a connector having terminals to the substrate. 2. The wiring board according to claim 1, wherein a plurality of the connectors fixed to the substrate are provided. 3. The wiring board according to claim 2, wherein the plurality of connectors are integrally fixed to the board. 4. The wiring board according to claim 1, wherein the board is provided with a bracket having a connector fixing portion that is parallel or angled to the board, and the connector is provided via the bracket. A wiring board comprising: a substrate fixed to the substrate. 5. The wiring board according to any one of claims 1 to 3, wherein an adapter having a connector fixing portion that is parallel or angled to the substrate is provided separately from the substrate, and the adapter is interposed therebetween. A wiring board, characterized in that the connector is fixed to the substrate by means of a connector.