KR20210023067A - Electronic control unit for vehicle having one body structure - Google Patents

Abstract

The present invention relates to an electronic control device comprising: a case for accommodating lower and upper printed circuit boards which are inserted through an opening portion with front open and stacked up and down; and a cover integrally formed with the case and covering the opening portion. The inner side walls of the case include lower and upper sliding guides for guiding the lower and upper printed circuit boards into the case, respectively, and spring pins electrically connecting the lower and upper printed circuit boards.

Description

Vehicle electronic control device having an integrated structure {ELECTRONIC CONTROL UNIT FOR VEHICLE HAVING ONE BODY STRUCTURE}

The present invention is a PCB (Printed Circuit Board) stacked structure for integrating multiple ECUs such as Bluetooth Low Energy (BLE) ECU, Identity Authentication Unit (IAU) ECU, Integrated Body Control Unit (IBU) ECU, etc. It relates to an electronic control device for a vehicle having a.

In general, a vehicle is equipped with an electronic control unit (ECU) having a modular structure. At this time, the electronic control device contains internal components (PCB board including electronic devices, etc.) that can control the in-vehicle device.

FIG. 1 is a diagram schematically illustrating a conventional electronic control device for a vehicle including an IAU ECU and an electronic control device for a vehicle including an IBU ECU, and FIG. 2 is a diagram illustrating a method of fastening a cover and a base shown in FIG. 1.

Referring to FIG. 1, a conventional electronic control device for a vehicle including an IAU ECU includes a base on which a PCB on which an IAU ECU is mounted is mounted, and a cover assembled with the base to cover an upper portion of the PCB.

Similarly, a conventional electronic control device for a vehicle including an IBU ECU includes a base on which a PCB on which an IBU ECU is mounted is mounted, and a cover assembled with the base to cover the PCB.

The base and the cover of each vehicle electronic control device are fastened (assembled) in a hook method, as shown in FIG. 2.

As described above, since the conventional electronic control device is composed of two pieces divided into a cover (upper part) and a base (lower part), a mold is required for each part, resulting in a high manufacturing cost.

In addition, although there is a trend of integrating multiple ECUs into one ECU, there is also a limitation. Therefore, the electronic control devices including each of the remaining ECUs that are not integrated must be mounted separately in a narrow vehicle as a mounting bracket, resulting in an increase in material cost and In addition, it has a problem of increasing the production cycle time.

It has been proposed to solve the above problems, and an object of the present invention is to simplify the assembly process by embedding electronic components such as a PCB on which an ECU is mounted in a case in which the base and the cover are integrally manufactured, and at the same time reduce the manufacturing cost. It is to provide an electronic control device for a vehicle that can be lowered.

Another object of the present invention is to provide an electronic control device for a vehicle having a PCB (Printed Circuit Board) stacking structure for integrating several ECUs into one.

The problem to be solved by the present invention is not limited to the problems mentioned above, and other problems not mentioned herein will be clearly understood by those skilled in the art from the following description.

An electronic control device for a vehicle according to an aspect of the present invention includes: a case for accommodating lower and upper printed circuit boards stacked up and down by being inserted through an opening having an open front surface; And a cover integrally formed with the case and covering the opening, wherein the lower and upper sliding guides guide the lower and upper printed circuit boards into the case, respectively, on both side walls of the case, and the lower and upper parts. And a spring pin electrically connecting the printed circuit board.

In another aspect of the present invention, an electronic control device for a vehicle includes: a case for accommodating a plurality of printed circuit boards stacked up and down by being inserted through an opening having an open front surface; And a cover integrally formed with the case and covering the opening, wherein a plurality of sliding guides for guiding the plurality of printed circuit boards into the case, respectively, on both side walls of the case, and a printed circuit board adjacent to the upper and lower sides. It includes a plurality of spring pins electrically connecting them.

An electronic control device for a vehicle according to another aspect of the present invention includes: a case for accommodating lower and upper printed circuit boards stacked vertically by being inserted through an opening having an open front surface; And a cover integrally formed with the case and covering the opening, wherein the lower and upper sliding guides guide the lower and upper printed circuit boards into the case, respectively, on both side walls of the case, and the upper printed circuit. And a spring pin extending from a lower surface of the substrate, the spring pin electrically contacting the copper film pattern inside the grooved groove formed on the upper surface of the lower printed circuit board.

The present invention simplifies the assembly process, reduces the number of parts and the manufacturing cost, and at the same time reduces the production cycle time (processing time) by integrating the existing cover and the base containing electronic components.

In addition, according to the present invention, since the existing cover and the base are manufactured in one mold, the dimensional accuracy can be increased, and the PCB can be stably embedded without shaking.

In addition, the present invention designs the interior of the case in which the existing cover and the base are integrated into a PCB stack structure that can connect several PCBs with a connecting spring pin, so that several ECUs can be integrated into one ECU. Accordingly, since it is not necessary to individually mount several ECUs in the vehicle, it is possible to reduce the work man-hour.

1 and 2 are views schematically showing a conventional electronic control device for a vehicle.
3 is a schematic view of an electronic control device for a vehicle according to an embodiment of the present invention.
4 and 5 are views showing a case and a cover formed in an integrated structure in the electronic control device for a vehicle according to an embodiment of the present invention.
6 is a view showing two PCBs built into the case with the cover shown in FIGS. 3 to 5 removed.
7 to 9 are diagrams for explaining a fastening structure between the case shown in FIG. 6 and two PCBs.
10 to 11 are views for explaining an electrical connection structure between the lower PCB and the upper PCB shown in FIG. 6.
12 is a view for explaining a copper film pattern according to another embodiment of the present invention.

Advantages and features of the present invention, and a method of achieving them will become apparent with reference to the embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in a variety of different forms, only these embodiments are intended to complete the disclosure of the present invention, and those skilled in the art to which the present invention pertains. It is provided to fully inform the person of the scope of the invention, and the invention is defined by the description of the claims. Meanwhile, terms used in the present specification are for describing exemplary embodiments and are not intended to limit the present invention. In this specification, the singular form also includes the plural form unless specifically stated in the phrase. As used herein, "comprises" or "comprising" refers to the presence of one or more other components, steps, actions and/or elements other than the recited elements, steps, actions and/or elements, or Does not exclude addition.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a schematic diagram of an electronic control device for a vehicle according to an embodiment of the present invention.

Referring to FIG. 3, the electronic control device 100 for a vehicle includes a case 110 and a cover 120, and a plurality of printed circuit boards (PCBs) stacked inside the case 110.

The case 110 and the cover 120 have an integral structure composed of one piece. The case 110 has an opening partly opened and an accommodation space therein.

In the receiving space of the case 110, a plurality of PCBs on which electronic components (eg, microcomputers, capacitors, resistors, connectors, etc.) are mounted are embedded in a stacked structure. Hereinafter, a stacked structure in which two PCBs are embedded is illustrated, but for simplicity of explanation and to aid understanding of the drawings, the present invention will be described as a stacked structure in which only two PCBs are embedded.

The cover 120 covers the opening of the case 110. In this case, the cover 120 includes a plurality of reinforcing members 121 at a joint portion with the case 110.

The reinforcing member 121 has a function of reinforcing the joint. Accordingly, the cover 120 can effectively cover the opening of the case 110 even when it is frequently folded.

The cover 120 includes a long-hole slit 122 between the plurality of reinforcing members 121. The slit 122 is formed in the joint so that the cover 120 can be effectively folded.

The cover 124 has a through hole 124, and the through hole 124 exposes the connector 132 mounted on any one of two PCBs embedded in the case 110 to the outside. The connector 132 exposed to the outside by the through hole 124 is connected to an external cable. The size of the through hole 124 has a size corresponding to that of the connector 132.

It has a through hole 124 of.

The case 110 and the cover 120 have a chamfered structure in which outer corners are cut.

4 and 5 are views showing a case and a cover formed in an integrated structure in the electronic control device for a vehicle according to an embodiment of the present invention.

4 and 5, the case 110 includes a substrate receiving portion 111 and a fastening portion 112.

The substrate receiving portion 111 and the fastening portion 112 are formed of an integral structure of a'L' shape. In this case, the substrate accommodating part 111 provides a space for accommodating two PCBs stacked up and down.

The substrate receiving portion 111 has a top and bottom width of 11 mm so as to have a minimum space to be inserted in the length direction of the two PCBs stacked up and down. This can prevent unnecessary wastage of assembly space and lower the manufacturing cost.

The fastening part 112 is formed extending from the end of the substrate receiving part 111.

The fastening part 112 has an opening 115 partially open.

The fastening part 112 provides a space having a larger upper and lower width than the board receiving part 111 in order to accommodate a connector (132 of FIG. 6) mounted on one of the two PCBs. In this case, the upper and lower widths of the fastening part 112 may be 24mm to 26mm.

When the upper and lower widths of the fastening part 112 are less than 24mm, it may be difficult to secure an assembly space for the connector (132 in FIG. 6). The upper and lower width values of the fastening part 112 may vary in shape and size depending on the type of the connector (132 in FIG. 6), but when considering the value of the existing ready-made connector, it is preferable to be 25 mm.

On the other hand, when the upper and lower widths of the fastening part 112 exceed 26 mm, the manufacturing cost may increase and unnecessary assembly space may be generated. Therefore, the upper and lower widths of the fastening part 112 are preferably 24 mm to 26 mm.

Meanwhile, the cover 120 has a structure covering the opening 115 formed in the front surface of the case 110. In this case, the cover 120 is made of the same synthetic resin material as the case 110.

The cover 120 rotates up and down based on the joint with the case 110 and opens and closes the opening of the case 110.

A plurality of fitting protrusions 123 protruding at predetermined intervals are provided at the side ends of the cover 120. At this time, a fitting hole 117 corresponding to the fitting protrusion 123 is formed in the periphery (side end) of the fastening part 112. The fitting protrusion 123 and the fitting hole 117 are fastened in an force fitting manner.

The cover 120 includes a through hole 124 through which some sections are passed so that the connector (132 of FIG. 6) mounted on the PCB embedded in the case 110 is exposed to the outside. Here, the partial section means an area having a size corresponding to the connector mounted on the PCB (132 in FIG. 6).

FIG. 6 is a view showing two PCBs built into the case with the cover shown in FIGS. 3 to 5 removed. For better understanding of the description, the covers 120 shown in FIGS. 3 to 5 are shown in FIG. Omitted.

Referring to FIG. 6, the case 110 is built in a stacked structure of two PCBs 130 and 140.

Various electronic devices such as lead wires, capacitors, and resistors are mounted on each of the PCBs 130 and 140, and in particular, a microcomputer in which the logic that performs the functions of the IAU ECU and the logic that performs the functions of the IBU ECU is integrated is a PCB ( 130, hereinafter, lower PCB) or the PCB 140 (hereinafter, hereinafter, upper PCB) disposed above the lower PCB 130 may be mounted.

The lower PCB 130 and the upper PCB 140 are electrically connected by a connection member 135 having a spring pin structure.

The connector 132 is electrically attached on the lower surface of the lower PCB 130 to connect the lead wires mounted on the lower surface and the upper surface of the lower PCB 130 to an external cable.

As described above, the case 110 includes a substrate receiving portion 111 and a fastening portion 112.

The substrate receiving part 111 provides a space for accommodating the lower PCB 130 and the upper PCB 140. At this time, when the horizontal lengths of the lower PCB 130 and the upper PCB 140 are the same, the horizontal length L1 of the substrate receiving part 111 may be smaller than the horizontal length of the lower PCB 130.

The fastening part 112 provides a space for accommodating the connector 132 electrically attached to the lower surface of the lower PCB 130. In this case, the horizontal length L2 of the fastening part 112 may be shorter than the horizontal length L1 of the board receiving part 111 and may be equal to or slightly longer than the horizontal length of the connector 132.

7 to 9 are views for explaining a fastening structure between the case shown in FIG. 6 and two PCBs. For better understanding of the description, the covers 120 shown in FIGS. 3 to 5 will be omitted in FIGS. 7 and 8 as in FIG. 6.

First, referring to FIG. 7, a lower sliding guide 113 and an upper sliding guide 113 ′ are formed on both side walls of the case 110. In FIG. 7, only the lower sliding guide 113 and the upper sliding guide 113 ′ provided on one side wall 70 are shown by the viewpoint of looking inside the case 110.

The lower sliding guide 113 protrudes on one side wall 70 to guide the sliding movement of the lower PCB (130 in FIGS. 6 and 9), and the upper sliding guide 113 ′ protrudes on one side wall 70. It is formed to guide the slide movement of the upper PCB (140).

The illustrated lower and upper sliding guides 113 and 113 ′ are formed to protrude in the space encompassing the substrate receiving part 111 and the fastening part 112 in the case 110, but the sliding guide 113 is not limited thereto. May be formed to protrude only on both side walls of the substrate receiving portion 111.

The lower sliding guide 113 includes a first guide bar 113a and a second guide bar 113b.

The first guide bar 113a is formed protruding on the sidewall of the case 110, and the second guide bar 113b is disposed on the sidewall of the case 110 at a predetermined distance from the first guide bar 113a. It is formed protruding. In this case, the second guide bar 113b is disposed above the first guide bar 113a.

It is preferable that a certain distance between the first guide bar 113a and the second guide bar 113b corresponds to the thickness of the lower PCB (130 in FIGS. 6 and 9), which is the lower PCB (130 in FIGS. 6 and 9). This is because there should be no upper and lower clearance when inserted between the first and second guide bars 113a and 113b.

At this time, one end of any one of the first and second guide bars 113a and 113b so that the lower PCB (130 of FIGS. 6 and 9) is easily inserted between the first and second guide bars 113a and 113b. It is good to have a predetermined inclination angle α. At this time, the inclination angle (a) is preferably made of an acute angle. In this embodiment, one end of the first guide bar 113a extends to have an inclination angle a with respect to the second guide bar 113b.

A fixing hook 114 for fixing the lower PCB (130 of FIGS. 6 and 9) in the horizontal direction is provided at the other end of the first guide bar 113a.

It is preferable that the thickness t1 of the fixing hook 114 is relatively thinner than a predetermined interval between the first and second guide bars 113a and 113b.

The position of the fixing hook 114 may be formed on the other end of the first guide bar 113a, as described above, but the lower PCB 130 at the interval between the first and second guide bars 113a and 113b. ) May be formed on the sidewall 70 on the path to be inserted. For example, it may be formed on the sidewall 70 around the other end of the first guide bar 113a in the path into which the lower PCB 130 is inserted.

Hereinafter, the fixing hook 114 will be described in more detail with reference to FIG. 8.

7 and 8, the fixing hook 114 is inserted into a plurality of fastening grooves 133 provided at the ends of the lower PCB 130 in order to fix the lower PCB 130 in the horizontal direction. Are combined.

To this end, the fixing hook 114 includes an inclined surface 114a, a horizontal surface 114b, and a vertical surface 114c.

The inclined surface 114a means a section inclined from one side to the other side. Here, one side is the initial entrance direction of the case 110 and the other side is the inner end direction of the case 110.

The horizontal plane 114b refers to a horizontal section extending from the inclined plane 114a.

The vertical plane 114c refers to a vertical section extending from the horizontal plane 114b.

When the lower PCB 130 is inserted into the case 110, the fastening groove 133 of the lower PCB 130 has the fixing hook 114 having an inclined surface 114a, a horizontal surface 114b, and a vertical surface 114c. It is combined in a force-fitting method by moving it.

The vertical surface 114c fixes the fastening groove 113 of the lower PCB 130 in the horizontal direction.

8 shows a state in which the lower PCB 130 is seated on the case 110. When the lower PCB 130 is inserted into the case 110 in the horizontal direction, the lower PCB 130 is on the insertion path. It is seated after passing through the arranged fixing hook 114. In this process, the lower PCB 130 returns to its original state when the other end of the lower PCB 130 is slightly deformed in the vertical direction due to the fixing hook 114 and the fixing hook 114 is forcibly fitted into the fastening groove 113.

Hereinafter, referring to FIG. 9, the fixing member 116 formed on the rear side wall 72 inside the case 110 will be described.

The fixing member 116 is formed to protrude on the rear side wall 72 of the case 110. The fixing member 116 serves to prevent the lower PCB 130 and the upper PCB 140 from sagging downward.

The fixing member 116 has a structure surrounding the other end of the lower PCB 130 and the upper PCB 140 from above and below in order to effectively fix the other end of the lower PCB 130 and the upper PCB 140.

In order to wrap each other end of the lower PCB 130 and the upper PCB 140 from above and below, the fixing member 116 is made of three protrusions 116a, 116b and 116c, and the second protrusion 116b is interposed therebetween. And the first protrusion 116a and the third protrusion 116c are disposed in the same vertical direction as the direction in which the lower PCB 130 and the upper PCB 140 are stacked.

The first protrusion 116a and the second protrusion 116b surround the other end of the lower PCB 130 from above and below, and the second protrusion 116b and the third protrusion 116c cover the other end of the upper PCB 140. Wrap it up and down.

The second end of the lower PCB 130 faces one surface of the first protrusion 116a and one surface of the first protrusion 116a so that the other end of the lower PCB 130 is easily inserted between the first protrusion 116a and the second protrusion 116b. 2 One surface of the protrusion 116b may be formed as an inclined surface.

Similarly, the other end of the upper PCB 140 faces one surface of the first protrusion 116a and one surface of the second protrusion 116b so that the other end of the upper PCB 140 is easily inserted between the second protrusion 116b and the third protrusion 116c. One surface of the third protrusion 116c may be formed as an inclined surface. That is, it is preferable that the fixing member 116 has a chamfer applied to a portion surrounding each PCB.

Meanwhile, the upper sliding guide 113 ′ has the same structure as the lower sliding guide 113. Therefore, the description of the upper sliding guide 113 ′ is replaced with a description of the lower sliding guide 113.

However, among the two guide bars constituting the upper sliding guide 113 ′, the guide bar located at the top is opposite to the inclination angle (α in FIG. 7) of one end of the first guide 113a constituting the lower sliding guide 113 There is only a difference in that it is extended to have an inclination angle (α' in Fig. 7) inclined in the direction.

10 to 11 are views for explaining an electrical connection structure between the lower PCB and the upper PCB shown in FIG. 6.

First, referring to FIG. 10, the lower PCB 130 and the upper PCB 140 are electrically connected by a connecting member 135 (hereinafter referred to as'spring pin') having a connecting spring pin structure. .

The spring pin 135 is provided on the lower surface of the upper PCB 140 facing the upper surface of the lower PCB 130.

The spring pin 135 includes first to third spring pins 135a, 135b and 135c, and these 135a, 135b and 135c are formed on the lower surface of the upper PCB 140, and the upper PCB 140 is the case 110 ) It is arranged in the direction to be inserted inside.

The arranged first to third spring pins 135a, 135b and 135c are preferably located at the ends on the lower surface of the upper PCB 140, which is after inserting the lower PCB 130 into the case 110 In the process of inserting the upper PCB 140, the friction between the first to third spring pins 135a, 135b and 135c and the lower PCB 130 is minimized, thereby preventing damage to the coating film formed on the upper surface of the upper PCB 140. This is to minimize it.

The first to third spring pins 135a, 135b, and 135c extend from the lower surface of the upper PCB 140 in the direction of the lower PCB 130 stacked (arranged) thereunder, and at this time, the upper PCB 140 It extends to be inclined at an angle θ with respect to a direction perpendicular to the lower surface.

As such, the first to third spring pins 135a, 135b, and 135c extend inclined in a direction opposite to the direction in which the upper PCB 140 is inserted into the case 110, so that the upper PCB 140 is placed inside the case 110. In the process of inserting the into the spring pins 135a, 135b, and 135c are prevented from being pinched and defective due to folding of the spring pins 135a, 135b, and 135c.

In addition, each end of the spring pins 135a, 135b, and 135c is rounded to have a roundly structure like a fishing hook, and in the process of inserting the upper PCB 140 into the case 110, the spring pins ( 135a, 135b, and 135c) minimizes damage that may be applied to the upper surface of the upper PCB 140 at each end.

Referring to FIG. 11, each end portion of the spring pins 135a, 135b and 135c is in electrical contact with the copper film pattern 138 patterned on the upper surface of the lower PCB 130.

The copper film pattern 138 includes first to third copper film patterns 138a, 138b, and 138c.

The first copper film pattern 138a is in electrical contact with the first spring pin 135a, and the second copper film pattern 138b is in electrical contact with the second spring pin 135b. In addition, the third copper film pattern 138c is in electrical contact with the third spring pin 135c.

The copper patterns 138a, 138b, and 138c are arranged on the upper surface of the lower PCB 130 in the same direction as the direction in which the spring pins 135a, 135b, and 135c are arranged.

The length of each copper film pattern is formed equal to the width W of the corresponding spring pin, and may be patterned on the upper surface of the lower PCB 130 in the form of a thin film.

12 is a view for explaining a copper film pattern according to another embodiment of the present invention.

In FIG. 12, (A) shows a contact state between a copper film pattern 138' and a spring pin 135 according to another embodiment of the present invention, and (B) is a copper film pattern 138' according to another embodiment of the present invention. This is the cross-sectional structure of the copper film pattern cut along A-A' shown in (A) to explain the structure of ).

In the copper film pattern 138 ′ according to another embodiment of the present invention, the copper film pattern is patterned in the groove 12, so that FIG. 11 is patterned in the form of a thin film on the upper surface (surface) of the lower PCB 130. There is a difference with the copper film pattern of.

The inside of the grooving groove 12 is composed of a bottom surface 12a and side surfaces 12b and 12c extending upward from both ends of the bottom surface 12a, and the bottom surface 12a and the side surfaces 12b , 12c), the copper film is patterned.

At this time, the end of the spring pin 135 is easily seated in the groove 12, and in order to improve the electrical contact between the round end of the spring pin 135 and the copper film, the side surfaces 12b , 12c) is preferably made of an inclined surface. The side surface 12b is inclined in an insertion direction of the PCB, and the side surface 12C is formed to be inclined in a direction opposite to the insertion direction.

As described above, according to the copper film pattern according to another embodiment of the present invention, a grooving groove is applied to the spring pin of the upper PCB to improve contact force with the lower PCB, and the sliding of the spring pin is facilitated when the lower PCB is assembled (slot). To do this, chamfer is applied.

Meanwhile, in FIGS. 10 to 12, three spring pins 135a, 135b and 135c are shown, but the number of spring pins is not limited to three, and may be more or less.

As described above, the present invention simplifies the assembly process by integrating the case and the cover in which the electronic components are embedded, thereby reducing the process time.

Accordingly, the present invention can reduce the number of parts and lower the manufacturing cost.

In addition, in the present invention, since the case and the cover are manufactured in one mold, dimensional accuracy can be improved. Therefore, the case made of the cover and the integral structure can stably house the printed circuit board without shaking.

In addition, the vehicle body assembly space can be efficiently secured by differentiating the inner thickness of the case (fastening portion, substrate receiving portion).

In addition, by designing the inside of the case 110 in a PCB stack structure that can connect several PCBs with a connecting spring pin, several ECUs can be integrated into one ECU, and accordingly, several ECUs can be integrated. Since there is no need to be individually mounted in the vehicle, the work man-hour can be reduced.

The present invention is not limited to the above-described embodiments, and can be implemented with various modifications within the scope of the technical idea of the present invention. For example, although the present specification describes an example in which two substrates are stacked, the present invention can be applied to three or more substrates. In this case, it is obvious that three or more sliding guides are provided on the inner wall of the case, and spring pins may be provided between the substrates stacked adjacent to each other so that a plurality of them can be expanded.

Claims (19)

A case for accommodating lower and upper printed circuit boards that are inserted through an opening having an open front surface and stacked vertically; And
Includes; a cover formed integrally with the case and covering the opening,
Lower and upper sliding guides for guiding the lower and upper printed circuit boards into the case, respectively, on both side walls of the case,
A spring pin electrically connecting the lower and upper printed circuit boards,
Electronic control device for a vehicle having an integrated structure comprising a. In claim 1,
Each of the lower and upper sliding guides,
A first guide bar protruding from both inner side walls of the case; And
And a second guide bar disposed above the first guide bar at a predetermined distance from the first guide bar. In paragraph 2,
One end of any one of the first and second guide bars
The electronic control device for a vehicle having an integrated structure having a predetermined inclination angle so that the printed circuit board is easily inserted. In paragraph 3,
One end of the one side included in the lower sliding guide has an inclination angle inclined in the first direction,
An electronic control device for a vehicle having an integrated structure, wherein one end of the upper sliding guide has an inclination angle inclined in a second direction opposite to the first direction. In paragraph 2,
A fixing hook for fixing the lower and upper printed circuit boards in a horizontal direction is provided at the other end of the first guide bar,
The fixed hook is an electronic control device for a vehicle having an integral structure that is made of a structure in which some sections are inclined from one side to the other side. In clause 5,
The fixing hook is an electronic control device for a vehicle having an integral structure that is coupled to a fastening groove provided at side ends of the lower and upper printed circuit boards by force-fitting. In claim 1,
The spring pin,
The electronic control device for a vehicle having an integrated structure extending from the lower surface of the upper printed circuit board and electrically connected to the copper film pattern patterned on the upper surface of the lower printed circuit board. In clause 7,
The spring pin,
It is machined round so that the end has a roundly structure,
The electronic control device for a vehicle having an integral structure in which the rounded end portion and the copper film pattern are electrically contacted. In clause 7,
The spring pin,
The electronic control device for a vehicle having an integrated structure that extends inclined at a predetermined angle with respect to a direction perpendicular to the lower surface of the upper printed circuit board. A case for accommodating a plurality of printed circuit boards stacked up and down by being inserted through an opening having an open front surface; And
Includes; a cover formed integrally with the case and covering the opening,
A plurality of sliding guides for guiding the plurality of printed circuit boards into the case, respectively, on both side walls of the case,
A plurality of spring pins electrically connecting the printed circuit boards adjacent up and down,
Electronic control device for a vehicle having an integrated structure comprising a. In claim 10,
Each of the constant number of sliding guides,
A first guide bar protruding from both inner side walls of the case; And
And a second guide bar disposed above the first guide bar at a predetermined distance from the first guide bar. In clause 11,
A fixing hook is provided at the other end of the first guide bar,
The fixed hook
It is coupled to the fastening grooves provided at each end of the plurality of printed circuit boards in a force-fitting manner to fix the plurality of printed circuit boards in a horizontal direction,
The fixed hook is an electronic control device for a vehicle having an integral structure in which a portion of the section is inclined from one side to the other side. In claim 10,
Each of the plurality of spring pins,
It has an integrated structure that extends from the lower surface of the printed circuit board disposed on the upper among two printed circuit boards adjacent to each other, and is electrically connected to the copper film pattern patterned on the upper surface of the printed circuit board disposed below. Electronic control device for vehicle. In claim 13,
Each of the plurality of spring pins,
It is machined round so that the end has a roundly structure,
The electronic control device for a vehicle having an integral structure in which the rounded end portion and the copper film pattern are electrically contacted. A case for accommodating lower and upper printed circuit boards that are inserted through an opening having an open front surface and stacked vertically; And
Includes; a cover formed integrally with the case and covering the opening,
Lower and upper sliding guides for guiding the lower and upper printed circuit boards into the case, respectively, on both side walls of the case,
A spring pin extending from a lower surface of the upper printed circuit board,
The spring pin,
The electronic control device for a vehicle having an integral structure in electrical contact with the copper film pattern inside the grooved groove formed on the upper surface of the lower printed circuit board. In paragraph 15,
The spring pin,
It is machined round so that the end has a roundly structure,
The electronic control device for a vehicle having an integrated structure in which the rounded end portion is seated in the grooved groove so that the spring pin and the copper film pattern are electrically contacted. In paragraph 16,
The inside of the grooved groove,
It has a bottom surface 12a and side surfaces 12b and 12c extending upward from both ends of the bottom surface 12a, and the copper film pattern is patterned on the bottom surface and the side surfaces. Electronic control device for vehicle. In paragraph 17,
In order to easily seat the end of the spring pin in the inside of the grooving groove, and to improve electrical contact between the round end of the spring pin and the copper film pattern, the side surfaces have an inclined surface. Electronic control device for vehicle. In paragraph 15,
The spring pin,
The electronic control device for a vehicle having an integrated structure that extends inclined at a predetermined angle with respect to a direction perpendicular to the lower surface of the upper printed circuit board.

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