JPH0927688A - On-board electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a on-board electronic equipment which is lessened in size by decreasing a printed wiring board in size, decreased in weight by simplifying structural components in constitution, enhanced in board material yield, and lessened in cost by simplifying a die and number of structural components. SOLUTION: Printed wiring boards 12 and 13 prescribed in shape and mounted with electronic components are mounted on a metal plate 11 of prescribed shape sandwiching it between them, the printed wiring boards 12 and 13 are electrically connected together with an external connecting means 15 to form a laminate 16, a connector 17 is connected to one end of the laminate 16, and all the laminate 16 is sealed up with a resin 18 excluding the front 17d of the connector 17 and the prescribed part of the metal plate 11 for the formation of a carborne electronic equipment 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an on-vehicle electronic device, and more particularly, for example, to an ABS (Antilock Bracket) of an automobile.
king system), an EFI (Electronic Fuel Injection) system, a constant speed traveling control system, etc., and relates to an on-vehicle electronic device mounted in an engine room or the like.

[0002]

2. Description of the Related Art FIG. 5 is a cross-sectional view schematically showing a conventional vehicle-mounted electronic device of this type, and reference numeral 51 in the drawing denotes a printed wiring board (hereinafter simply referred to as a board). A circuit (not shown) is formed on the upper surface 51a or the lower surface 51b of the substrate 51, and, for example, the IC package 61, the IC chip 62, the electrolytic capacitor 63, the resistor 64, the power transistor 65, etc. are provided at predetermined portions of this circuit. An electronic component 60 is mounted. Further, a connector 52 is provided on one end of the substrate 51.
And the connection terminal 52a of the connector 52 is connected to a predetermined portion of the circuit. A substantially frame-shaped metal or resin housing 53 is arranged around the board 51, and the board 51 is attached to a predetermined position in the housing 53. A notch portion 53b is formed at a predetermined position of the housing 53, and the front side of the connector 52 is exposed to the outside through the notch portion 53b. From the outside, power, signals, etc. are connected to the connector 52 of the connector 52. It is adapted to be input to and output from the electronic component 60 via 52a. Further, a metal heat dissipation plate 65a is closely attached to a predetermined location inside the housing 53, and the heat dissipation plate 6a
One end surface of the power transistor 65 is in close contact with 5a, and the heat generated in the power transistor 65 is absorbed by the heat dissipation plate 6
5a, it is adapted to be diffused to the outside via the housing 53. The housing 53 is sealed by a lid 53a, and the electronic component 60 and the circuit are protected from the external environment. Further, a plurality of brackets 54 are attached to predetermined positions outside the housing 53, and the vehicle-mounted electronic device 5 is mounted by tightening the brackets 54 with bolts 54a.
0 is attached to a vehicle body 70 such as an engine room. These substrate 51, electronic component 60,
Heat sink 65a, connector 52, housing 53, bracket 5
The in-vehicle electronic device 50 is configured to include 4 and the like.

[0003]

In the above-described conventional vehicle-mounted electronic device 50, a plurality of electronic components 60 and connectors 52 are mounted on one board 51, and the board 51 is mounted on the board 51.
Was easy to grow, and it was difficult to reduce the size. Further, there is a problem that the weight of the housing 53 is heavy and it is difficult to reduce the weight.

Further, as described above, since the substrate 51 is large, when cutting a plurality of substrates 51 from a substrate material of a fixed size, an end cut portion is generated, and the yield is likely to decrease. Further, although not shown, in the case of forming the housing 53, a complicated mold composed of an outer mold and an inner mold is required, and the mold needs to be rebuilt each time the shape of the substrate 51 changes a little. I won't. Further, the heat dissipation plate 65a, the casing 53, the lid 5
There are many types of structural parts such as 3a and bracket 54, and the manufacturing and assembling of these are troublesome, and there is a problem that the cost is high.

The present invention has been made in view of the above problems, and it is possible to reduce the size of a substrate by making it smaller.
The structural parts can be simplified and the weight can be reduced, the yield of the substrate material can be improved, and the mold can be simplified.
An object of the present invention is to provide an in-vehicle electronic device that can reduce the cost by reducing the types of structural parts.

[0006]

Means for Solving the Problems and Effects Thereof In order to achieve the above object, an in-vehicle electronic device according to the present invention is a printed wiring board having a predetermined shape in which electronic parts are mounted with a metal plate having a predetermined shape sandwiched therebetween. Is attached, and these printed wiring boards are electrically connected to each other by external connection means to form a laminated body, a connector is connected to one end of the laminated body, and the front surface of the connector and a predetermined portion of the metal plate are connected to each other. It is characterized in that the entire part except the resin is sealed (1).

According to the on-vehicle electronic device (1) described above,
A printed wiring board having a predetermined shape on which electronic components are mounted is attached with a metal plate having a predetermined shape sandwiched therebetween, and the printed wiring boards are electrically connected by an external connecting means to form a laminated body. Has a connector connected to one end thereof, and the entire front surface of the connector and a predetermined portion of the metal plate are resin-sealed, and driving power, signals, etc. are provided between these two printed wiring boards through the external connection means. Can be reliably transmitted, and since the electronic components are separately mounted on the printed wiring boards, the shape of each printed wiring board can be set to be relatively small. Further, since almost the entire body is resin-sealed, it is possible to protect the electronic parts and the like from the external environment, and eliminate the case and lid that are equipped in conventional vehicle-mounted electronic devices. The size and weight can be reduced. Further, since the shape of the printed wiring board can be set to be relatively small, when a plurality of the printed wiring boards are cut out from one board material having a standard size, a wasteful portion is relatively reduced. Yield increases.
Further, when a bolt hole is formed in a predetermined portion of the metal plate and bolted, the vehicle-mounted electronic device is attached to the automobile through the metal plate, and heat generated from the electronic component is generated through the metal plate. It is possible to reliably dissipate to the outside, reduce the structural parts such as the heat dissipation plate and the bracket, which have been conventionally equipped, and to assemble these structural parts easily. Further, the mold used for the resin sealing becomes simple, and as a result, the cost can be reduced.

Further, in the on-vehicle electronic device according to the present invention, a printed wiring board having a predetermined shape on which electronic components are mounted is attached with a metal plate having a predetermined shape sandwiched therebetween, and the printed wiring boards are electrically connected by an internal connecting means. Are connected to each other to form a laminated body, a connector is connected to one end of the laminated body, and the entire front surface of the connector and a predetermined portion of the metal plate are resin-sealed ( 2).

According to the on-vehicle electronic device (2) described above,
A printed wiring board having a predetermined shape on which electronic components are mounted is attached with a metal plate having a predetermined shape sandwiched therebetween, and the printed wiring boards are electrically connected by an internal connecting means to form a laminated body. Has a connector connected to one end thereof, and the entire front surface of the connector and a predetermined portion of the metal plate are resin-sealed, and driving power, signals, etc. are provided between these two printed wiring boards through the internal connection means. Since the internal connection means can be included in the laminated body, the size can be further reduced as compared with the vehicle-mounted electronic device (1).

The on-vehicle electronic device according to the present invention is the above-described on-vehicle electronic device (1) or (2), in which connection terminals are attached above and below a recess of a predetermined shape formed in the connector, and laminated on the recess. It is characterized by the insertion of one end of the body (3).

According to the on-vehicle electronic device (3) described above,
In the on-vehicle electronic device (1) or (2), the connection terminals are attached above and below a recess of a predetermined shape formed in the connector, and one end of the stack is inserted into the recess. When the connector and the connector are easily coupled and the connection terminal is set at a predetermined position,
Since the connection terminals are positioned on the circuit formed on the printed wiring board, soldering can be easily performed, and the cost can be reduced.

The on-vehicle electronic device according to the present invention is the above-mentioned on-vehicle electronic device (1) or (2), in which connection terminals having bent portions above and below a recess of a predetermined shape formed in the connector are attached. One end of the laminate is inserted into the recess, and the bent portion of the connection terminal is interposed between the inserted one end of the laminate and the recess (4). .

According to the on-vehicle electronic device (4) described above,
In the on-vehicle electronic device (1) or (2), a connection terminal having bent portions above and below a recess of a predetermined shape formed in the connector is attached, and one end of the laminate is inserted into the recess. Since the bent portion of the connection terminal is interposed between one end of the inserted laminated body and the recessed portion, when the connection terminal is set at a predetermined position, the laminated body and the connector are set. Since the circuit formed on the printed wiring board and the connection terminal can be reliably and automatically connected at the same time when the connection is made, and the connection work between them is facilitated, the cost can be further reduced. .

In the on-vehicle electronic device according to the present invention, electronic components are mounted on the opposing surfaces of a U-shaped flexible wiring board, and metal plates are attached to the upper and lower surfaces of the flexible wiring board, respectively. It is characterized in that the side portion is inserted into a groove portion formed in the housing and a connector is connected to one end portion of the flexible wiring board (5).

According to the on-vehicle electronic device (5) described above,
Electronic components are mounted on the opposite surfaces of a U-shaped flexible wiring board, metal plates are attached to the upper and lower surfaces of the flexible wiring board, and the side portions of the metal plate are inserted into the grooves formed in the housing. , A connector is connected to one end of the flexible wiring board, the electronic components are separately mounted on the facing surface of the flexible wiring board, and the shape of the facing surface can be set to be relatively small. It can be miniaturized. Further, the curved surface portion of the flexible wiring board continuously connects the opposing surfaces, and the trouble of connecting them by a special means is omitted. Further, when the side portion of the metal plate is inserted into the groove portion of the housing, the flexible wiring board, the connector and the like are securely and easily mounted in the housing. For this reason,
It is possible to dissipate heat generated from the electronic component to the outside through the metal plate, the housing, etc. without providing a heat dissipation plate, facilitate the assembly work, and reduce the cost.

The on-vehicle electronic device according to the present invention is the on-vehicle electronic device (5), wherein two recesses having a predetermined shape are formed in the connector, and the metal plate and one end of the flexible substrate are formed in the recesses. One end of the connection terminal is inserted between the inner surface of the flexible substrate and the recess (6).

According to the on-vehicle electronic device (6) described above,
In the on-vehicle electronic device (5), two recesses having a predetermined shape are formed in the connector, the metal plate and one end of the flexible board are inserted into the recesses, and the inner surface of the flexible board and the recess are formed. Since one end portion of the connection terminal is interposed therebetween, if the connection terminal is set at a predetermined position, the connector is coupled to the metal plate and the flexible wiring board, and at the same time, the flexible wiring board is formed. Since the circuit formed in (1) and the connection terminal are accurately positioned and reliably and automatically connected, the connection work between them is facilitated and the cost can be further reduced.

Further, the on-vehicle electronic device according to the present invention is the above-mentioned on-vehicle electronic device (6), wherein a pin having a protruding portion is attached in the recess so as to face the connection terminal, and the protruding portion of the pin is attached to the metal plate. Is characterized by the formation of a recess (7).

According to the on-vehicle electronic device (7) described above,
In the on-vehicle electronic device (6), a pin having a protrusion is attached in the recess so as to face the connection terminal, and a recess into which the protrusion of the pin is inserted is formed in the metal plate. When the metal plate and the flexible wiring board are inserted into the connector, the protrusion is fitted into the recess and the connector is hard to be separated from the metal plate, and the connection terminal and the circuit of the flexible wiring board are more reliably connected. be able to.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION A vehicle-mounted electronic device according to an embodiment of the present invention will be described below with reference to the drawings. Note that components having the same functions as those of the conventional example are denoted by the same reference numerals. 1 is a schematic diagram showing a first embodiment of a vehicle-mounted electronic device according to the present invention, in which (a) is a front sectional view,
(B) has shown the sectional view on the AA line in (a).
The metal plate 11 is composed of a substantially rectangular parallelepiped main portion 11a and branch portions 11b of a predetermined shape extending from both side portions thereof. For example, aluminum-based, copper-based, iron-based metal or the like is used. Is formed. Printed wiring boards 12 and 13 having substantially the same shape are arranged on the upper and lower surfaces of the main portion 11a, and circuits (not shown) are formed on the surfaces of the printed wiring boards 12 and 13, and the printed wiring board is also formed. 12,
A plurality of electronic components (not shown) are mounted on the surface 13, and the terminals of these electronic components are soldered to the circuit. Printed wiring boards 12, 13 and metal plate 11
The main portion 11a of the electronic component and the main portion 11a of the electronic component are attached by using an adhesive 14 having an insulating property, for example, an epoxy resin type or a silicon resin type. , 13 and the metal plate 11 are not electrically connected. A plurality of terminals 12a and 13a connected to the circuit are formed near the right ends of the printed wiring boards 12 and 13, respectively, and a substantially semicircular external connection having conductivity is provided between the terminals 12a and 13a. Means 15 are connected. A plurality of terminals 12b and 13b connected to the circuit are formed near the left ends of the printed wiring boards 12 and 13, respectively.
3, the external connection means 15, the electronic component, etc. are included, and the laminated body 16 is comprised.

A connector 17 is arranged at the left end of the laminated body 16, a recess 17a is formed in the connector 17, and a connecting terminal 17b is provided at a position corresponding to the terminals 12b and 13b above and below the recess 17a. When the left end of the laminated body 16 is inserted into the recess 17a, the laminated body 16 and the connector 17 are coupled. Further, the connection terminal 17b and the terminals 12b and 13b are connected using a solder 17c.

A portion of the connector 17 excluding the front surface 17d and the branch portion 11b of the metal plate 11 is covered with, for example, an epoxy resin 18 and the resin 18 seals the electronic parts and circuits. Protected from dust and moisture. Although not shown, the sealing by the resin 18 includes accommodating the laminated body 16, the connection terminals 17b and the like in a frame-shaped mold,
After the liquid resin material is filled and solidified in the mold, the mold is removed. These laminated bodies 1
6, the vehicle-mounted electronic device 10 is configured to include the connector 17 and the like. On the other hand, a hole 19 is provided near the tip of the branch 11b.
a is formed, and when the branch portion 11b is tightened by passing the bolt 19 through the hole 19a, the in-vehicle electronic device 10 is attached to the vehicle body 70 via this. In addition, the heat generated from the electronic components is applied to the printed wiring boards 12 and 13 and the main unit 1.
It radiates outward from the branch portion 11b of the metal plate 11 through 1a.

As is apparent from the above description, in the vehicle-mounted electronic device 10 according to the first embodiment, the driving power, the signal, etc. are reliably transmitted between the two printed wiring boards 12 and 13 through the external connection means 15. In addition, since the electronic components are separately mounted on the printed wiring boards 12 and 13, the shapes of the printed wiring boards 12 and 13 can be set to be relatively small. Further, since it is sealed with the resin 18, the electronic parts and the like are protected from the external environment, and at the same time, the housing 53 and the lid 53a which are equipped in the conventional one are provided.
(Both in FIG. 5) can be eliminated, and as a result, downsizing and weight reduction can be achieved. Further, since the shapes of the printed wiring boards 12 and 13 can be set to be comparatively small, when cutting and forming a plurality of printed wiring boards 12 and 13 from one board material of a fixed size, there is relatively little wasteful portion. Therefore, the yield can be increased. When the bolts 19 are tightened using the holes 19a formed in the branch portion 11b of the metal plate 11, the on-vehicle electronic device 10 is attached to the vehicle body 70 via the metal plate 11 and is generated from the electronic component. Since the heat is surely dissipated to the outside through the metal plate 11, the heat dissipation plate 65 that is conventionally equipped is installed.
It is possible to reduce structural parts such as a and the bracket 54 (both of which are shown in FIG. 5), and to easily assemble these structural parts. Further, the mold used for resin sealing becomes simple, and as a result, the cost can be reduced.

When the connection terminal 17b is arranged at a predetermined position and the laminated body 16 is inserted into the recess 17a, the laminated body 16 and the connector 17 are easily coupled and the connection terminal 17b is connected to the printed wiring board 12. , 13 can be positioned on the terminals 12b and 13b formed on the terminals 13 and 13, and the solder 17c can be easily attached, and the cost can be reduced.

FIG. 2 is a sectional view schematically showing an on-vehicle electronic device according to the second embodiment. In the figure, 11a, 12 and 13 are metals having the same structure as that shown in FIG. The main part of the board and the printed wiring board are shown respectively.
A plurality of through holes 25a are formed penetrating the printed wiring boards 12, 13 and the main portion 11a in the vicinity of the right end thereof, and the internal connecting means 25 is provided in the through holes 25a. 25 is a conductive pin 25
c and a substantially cylindrical insulator 25b formed around the c. The upper and lower portions of the pin 25c are connected to terminals 12a and 13a having the same structure as shown in FIG. 1 by using a solder 15a, and the insulator 25b prevents conduction between the pin 25c and the main portion 11a. There is. A laminated body 26 is constituted by including the metal plate 11, the printed wiring boards 12 and 13, the internal connecting means 25, the electronic parts and the like.

On the other hand, the connector 2 is provided at the left end of the laminated body 26.
7, the connector 27 is provided with a recess 17a substantially similar to that shown in FIG. 1, and a connection terminal 27b having bent portions 27c corresponding to the terminals 12b and 13b above and below the recess 17a. Are attached respectively. Then, when the laminated body 26 is inserted into the recess 17a,
The bent portion 2 is provided between the left end portion of the laminated body 26 and the recess 17a.
7c is interposed, and the connection terminal 27b and the terminals 12b and 13b
And are automatically connected, and the laminated body 26 and the connector 27 are coupled. Since other configurations are similar to those of the first embodiment shown in FIG. 1, detailed description of the configuration will be omitted here. These laminated bodies 26,
The vehicle-mounted electronic device 20 is configured to include the connector 27 and the like.

As is apparent from the above description, in the vehicle-mounted electronic device 20 according to the second embodiment, the driving power, the signal, etc. are reliably transmitted between the two printed wiring boards 12 and 13 through the internal connecting means 25. In addition, since the internal connection means 25 is included in the laminated body 26, the size can be further reduced as compared with the vehicle-mounted electronic device 10 shown in FIG. 1.

When the connection terminal 27b is arranged at a predetermined position, the laminated body 26 and the connector 27 are joined together, and at the same time, the circuit formed on the printed wiring boards 12 and 13 and the connection terminal 27b are securely connected. , And automatically connected,
Since these connecting operations are facilitated, the cost can be further reduced.

In each of the first and second embodiments, the circuit is formed on the printed wiring boards 12 and 13 on the side opposite to the main portion 11a, and a plurality of terminals connected to the circuit are formed. The case where the printed wiring boards 12a, 12b, 13a, 13b are formed near both ends of the printed wiring boards 12, 13 has been described. However, in another embodiment, the printed wiring boards 12, 13 on the main portion 11a side are provided. A circuit may be formed in the circuit, and the electronic component may be connected to a predetermined portion of the circuit.

Further, in the second embodiment, the laminated body 26
Is described as being connected to the connector 27, but in another embodiment, the laminated body 26 may be connected to the connector 17 shown in FIG. 1, or the connector 27 is shown in FIG. May be connected to the stacked body 16.

3A and 3B are schematic diagrams showing an on-vehicle electronic device according to the third embodiment. FIG. 3A is a front sectional view and FIG. 3B is a sectional view taken along the line AA in FIG. . Metal plate 3
Reference numerals 1 and 32 are formed in a substantially rectangular parallelepiped shape using a metal such as an aluminum-based material, a copper-based material, or an iron-based material.
Tapered portions 31 a and 32 a are formed at the left end portion of 32. A substantially U-shaped flexible wiring board 33 is attached to the opposing surfaces of the metal plates 31 and 32, and the flexible wiring board 33 sandwiches a circuit formed by using, for example, a copper foil, and an insulating film (both shown in the figure). No.) is laminated. Flexible wiring board 33
A plurality of electronic components (not shown) are mounted at predetermined locations on the facing surfaces 33a and 33b of the facing surface 33a.
a and 33b are continuously connected by a curved surface portion 33c.

A connector 37 is arranged on the left end side of the flexible wiring board 33, and two recesses 37a having a predetermined shape are formed in the connector 37.
The connection terminals 37b are attached to the respective predetermined locations. Then, when the tapered portions 31a and 32a are inserted into the concave portion 37a, the facing surface 33 of the flexible wiring board 33 is formed.
The connection terminal 37b is interposed between the a and 33b and the recess 37a so that the connection terminal 37b and the circuit of the flexible wiring board 33 are connected and the metal plates 31 and 32 and the connector 37 are coupled. Has become.

A metal or resin casing 38 having a substantially frame shape is disposed around the metal plates 31 and 32 and the flexible wiring board 33, and two side walls are provided on the casing 38.
A book groove portion 38a is formed, and side portions 31b and 32b of the metal plates 31 and 32 are inserted into the groove portion 38a. A notch 38b is formed at a predetermined position of the housing 38, and the front surface 37c of the connector 37 is exposed to the outside through the notch 38b. Further, the housing 38 is the lid 3
It is sealed by 8c so that the electronic components and the circuit are protected from the external environment. Further, a plurality of brackets 39 are fixed to predetermined positions outside the housing 38, and the brackets 39 are attached to the vehicle body 70 using bolts 39a. These metal plates 31, 32, flexible wiring board 33, connector 3
The vehicle-mounted electronic device 30 is configured by including the housing 7, the housing 38, the electronic components, and the like.

As is apparent from the above description, in the vehicle-mounted electronic device 30 according to the third embodiment, the electronic components are separately mounted on the facing surfaces 33a and 33b of the flexible wiring board 33, and the facing surfaces 33a and 33b are mounted. Since the shape of can be set to be relatively small, the size can be reduced. In addition, the curved surface portion 3 of the flexible wiring board 33
By 3c, the facing surfaces 33a and 33b are continuously connected, and the trouble of connecting them by a special means is omitted. When the side portions 31b of the metal plates 31 and 32 are inserted into the groove portions 38a of the housing 38, the flexible wiring board 33, the connector 37, etc. are securely and easily mounted in the housing 38. Therefore, the heat generated from the electronic component can be dissipated to the outside through the metal plates 31, 32, the housing 38, etc. without providing a heat dissipation plate, and the assembling work can be facilitated to reduce the cost. be able to.

When the connection terminal 37b is arranged at a predetermined position, the connector 37 is joined to the metal plates 31 and 32 and the flexible wiring board 33, and at the same time, the circuit formed on the flexible wiring board 33 and the connection terminal 37b are connected. Since and are accurately positioned and connected reliably and automatically, the connecting work is facilitated and the cost can be further reduced.

FIG. 4 is a partial cross-sectional view schematically showing the vicinity of the connector of the vehicle-mounted electronic device according to the fourth embodiment, and 41 and 42 in the figure show metal plates. Metal plates 41, 42
Is formed in substantially the same manner as that shown in FIG. 3, and recesses 41b and 42b are formed at predetermined positions of the tapered portions 41a and 42a of the metal plates 41 and 42. On the other hand, a connector 47 is arranged on the left end side of the metal plates 41 and 42,
The connector 47 is formed with two recesses 47a having a predetermined shape, and the connection terminal 4 is provided at a predetermined position of the recess 47a.
7b is attached, and one end of the pin 48 is attached to a portion facing the 7b. The pin 48 is made of an elastic material, and a protrusion 48a is formed at the other end of the pin 48. When the tapered portions 41a and 42a are inserted into the recess 47a, the connection terminal 47b is interposed between the facing surfaces 33a and 33b of the flexible wiring board 33 and the recess 47a, and the connection terminal 47b and the circuit of the flexible wiring board 33 are separated from each other. Connected and pin 48
The protrusions 48a of the recesses 41b, 42 of the metal plates 41, 42.
It is fitted to b. Other configurations are the same as those shown in FIG. 3, and therefore detailed description of the configuration will be omitted here. An on-vehicle electronic device 40 is configured by including the metal plates 41 and 42, the flexible wiring board 33, the connector 47, the housing 38, the electronic components, and the like.

As is apparent from the above description, in the vehicle-mounted electronic device 40 according to the fourth embodiment, when the metal plates 41 and 42 and the flexible wiring board 33 are inserted into the recess 47a, the protrusion 48a becomes the recesses 41b and 42b. When fitted, the connector 47 does not easily come off from the metal plates 41, 42, and the connection terminal 47b and the circuit of the flexible wiring board 33 can be connected more reliably.

[Brief description of drawings]

1A and 1B are schematic views showing a first embodiment of an in-vehicle electronic device according to the invention, in which FIG. 1A is a front sectional view and FIG. 1B is a sectional view taken along the line AA in FIG. There is.

FIG. 2 is a cross-sectional view schematically showing a vehicle-mounted electronic device according to a second embodiment.

3A and 3B are schematic diagrams showing an on-vehicle electronic device according to Embodiment 3, where FIG. 3A is a front sectional view and FIG. 3B is a sectional view taken along line AA in FIG.

FIG. 4 is a partial cross-sectional view schematically showing the vicinity of a connector of a vehicle-mounted electronic device according to a fourth embodiment.

FIG. 5 is a cross-sectional view schematically showing a conventional vehicle-mounted electronic device that constitutes an ABS, EFI system, constant-speed traveling control system, etc. of an automobile and is mounted in an engine room or the like.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 In-vehicle electronic equipment 11 Metal plates 12, 13 Printed wiring board 15 External connection means 16 Laminated body 17 Connector 18 Resin

Claims (7)

[Claims] 1. A laminated body is formed by mounting a printed wiring board having a predetermined shape, on which electronic components are mounted, with a metal plate having a predetermined shape sandwiched therebetween, and electrically connecting these printed wiring boards by an external connecting means. A connector is connected to one end of the laminated body, and the entire front surface of the connector and a predetermined portion of the metal plate are resin-sealed. 2. A laminated body is formed by mounting a printed wiring board having a predetermined shape on which electronic components are mounted, sandwiching a metal plate having a predetermined shape, and electrically connecting these printed wiring boards by an internal connecting means. A connector is connected to one end of the laminated body, and the entire front surface of the connector and a predetermined portion of the metal plate are resin-sealed. 3. The connector according to claim 1, wherein connection terminals are attached above and below a recess having a predetermined shape formed in the connector, and one end of the laminated body is inserted into the recess. In-vehicle electronic equipment. 4. A connection terminal having bent portions above and below a recess of a predetermined shape formed in a connector is attached, one end of a laminate is inserted into the recess, and one end of the inserted laminate is attached. The bent portion of the connection terminal is interposed between the concave portion and the concave portion.
Alternatively, the on-vehicle electronic device according to claim 2. 5. An electronic component is mounted on the opposing surface of a U-shaped flexible wiring board, metal plates are attached to the upper and lower surfaces of the flexible wiring board, and side portions of the metal plate are formed on a housing. A vehicle-mounted electronic device, characterized in that the connector is inserted into the groove and the connector is connected to one end of the flexible wiring board. 6. A connector is provided with two recesses having a predetermined shape, and a metal plate and one end of a flexible board are inserted into the recesses, and a connection terminal is provided between an inner surface of the flexible board and the recess. The in-vehicle electronic device according to claim 5, wherein one end is interposed. 7. A pin having a protrusion is mounted in the recess so as to face the connection terminal, and a recess into which the protrusion of the pin is inserted is formed in the metal plate. In-vehicle electronic devices.