KR101816033B1 - Electronic control device for vehicle and manufacturing method of the same - Google Patents

Electronic control device for vehicle and manufacturing method of the same Download PDF

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Publication number
KR101816033B1
KR101816033B1 KR1020150177083A KR20150177083A KR101816033B1 KR 101816033 B1 KR101816033 B1 KR 101816033B1 KR 1020150177083 A KR1020150177083 A KR 1020150177083A KR 20150177083 A KR20150177083 A KR 20150177083A KR 101816033 B1 KR101816033 B1 KR 101816033B1
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KR
South Korea
Prior art keywords
electronic control
control element
housing
sliding guide
aligning
Prior art date
Application number
KR1020150177083A
Other languages
Korean (ko)
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KR20170069630A (en
Inventor
양순재
Original Assignee
현대오트론 주식회사
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Application filed by 현대오트론 주식회사 filed Critical 현대오트론 주식회사
Priority to KR1020150177083A priority Critical patent/KR101816033B1/en
Publication of KR20170069630A publication Critical patent/KR20170069630A/en
Application granted granted Critical
Publication of KR101816033B1 publication Critical patent/KR101816033B1/en

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
    • H05K5/003—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having an integrally preformed housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/005—Electro-mechanical devices, e.g. switched
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
    • H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
    • H05K5/006—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB characterized by features for holding the PCB within the housing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
    • H05K7/20854—Heat transfer by conduction from internal heat source to heat radiating structure

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

An electronic control element electrically controlling each part of the vehicle, a housing in which one side is opened and the electronic control element is inserted and stored in the first direction from the one side, and a housing in which the electronic control element is electrically connected, Wherein the electronic control element includes a heat dissipation adhesive layer applied in the first direction and a first aligning portion formed outside the heat dissipation adhesive layer.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an electronic control device for a vehicle,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to an electronic control device for a vehicle and a method of manufacturing the same, and more particularly, to an electronic control device for a vehicle and a manufacturing method thereof.

Generally, an electronic control device such as an electronic control unit (ECU) for electronically controlling various devices is mounted on a vehicle. Such electronic control devices are provided with information from sensors or switches installed in respective parts of the vehicle, The information provided is processed to improve the ride comfort and safety of the vehicle or to perform various electronic controls to provide various benefits to the driver and the passenger.

For example, electronic control devices such as an ECU (Electronic Control Unit) that controls the state of an engine, an automatic transmission, an ABS, and the like of a vehicle with a computer, have been developed with the development of automobiles and computers, as well as automatic transmission control, , Steering system and all parts of the vehicle.

An electronic control device such as an ECU includes a housing, a circuit board accommodated in the housing, and a connector coupled to the front end of the circuit board for external socket connection. The housing is opened at one side, and the connector has a sealing structure covering the one side. For example, Korean Patent Registration No. 1418683 (an electronic control device for a vehicle using a waterproof housing sealing and a method for manufacturing the same) can be mentioned.

Such an electronic control unit requires a tight sealing structure that can prevent moisture and foreign substances from entering into the inside of the electronic control unit because it has a high degree of integrated control circuit means. A sealing structure for protecting a circuit board or the like inside the cover and the base in a manner of assembling the cover together with the connector in the state where the sealing material is inserted is mainly applied.

A component mounted inside the electronic control unit of the vehicle can generate heat by driving. Heat can degrade the reliability and durability of the electronic control device, and studies for dissipating heat to overcome this are continuing.

An electronic control device for a vehicle in which an electronic control element is easily aligned with a housing, and a heat radiation function is improved, and a manufacturing method thereof.

One aspect of the present invention is an electronic control device comprising an electronic control element for electrically controlling each part of a vehicle, a housing in which one side is open and in which the electronic control element is inserted and stored in a first direction from the one side, Wherein the electronic control element includes a heat dissipation adhesive layer applied in the first direction and a first alignment section formed outside the heat dissipation adhesive layer, the electronic control element being electrically connected to the electronic control element, Device.

The housing may further include a second alignment portion disposed at both ends of the housing, the second alignment portion being inserted into the first alignment portion when the electronic control element is installed in the housing.

In addition, when at least a part of the second alignment portion is inserted into the first alignment portion, the heat radiation adhesive layer may be attached to the housing.

The housing may further include a fixing protrusion disposed between the second alignment portions and protruding in a direction opposite to the protruding direction of the second alignment portion.

Further, it may further include a radiating fin disposed at both ends of the housing.

The heat dissipation fin may be aligned with the heat dissipation adhesive layer when the electronic control element is installed in the housing.

A plurality of first alignment portions are provided along edges of the electronic control element, and a distance between any one of the plurality of first alignment portions and another one of the plurality of first alignment portions is different from any one of the plurality of first alignment portions Can be arranged differently from one another.

According to another aspect of the present invention, there is provided an electronic control device comprising: an electronic control element electrically controlling each part of a vehicle and having a heat-dissipation adhesive layer applied on one surface thereof; and an electronic control element having one side opened and the electronic control element inserted in the first direction from the one side A housing having a sliding guide portion at both ends thereof, and a connector electrically connected to the electronic control element and covering one side of the housing, wherein when the electronic control element is moved in the first direction along the sliding guide portion And the heat radiation adhesive layer is attached to the inner surface of the sliding guide portion.

In addition, the electronic control element may include a first alignment portion inserted into the second alignment portion provided on the sliding guide.

According to another aspect of the present invention, there is provided a method for controlling an electronic control device, comprising the steps of: sliding an electronic control element in a first direction in a sliding guide portion provided at both ends of a housing; Inserting a second aligning portion to align the electronic control element and attaching a heat radiation adhesive layer applied to one surface of the electronic control element to the inner surface of the sliding guide portion do.

The method may further include fixing the electronic control element to the housing by pressing the housing to form a fixing protrusion between the second alignment portions.

The electronic control device provided in the present invention can improve the heat radiation function by applying the heat radiation adhesive layer to one surface of the electronic control element. The heat radiation adhesive layer is aligned with the heat radiation fins and can maintain the contact and improve the heat transfer effect.

Further, the heat radiation adhesive layer is easily aligned by the alignment mark, and the heat radiation performance is maximized by maintaining contact with the housing, thereby improving the durability and reliability of the electronic control device of the vehicle.

Further, the electronic control device of the vehicle can easily form an alignment mark on the electronic control element and the housing, thereby facilitating the assembly process. The first alignment portion is formed in the electronic control element and the second alignment portion is formed in the housing so that the first alignment portion and the second alignment portion can be easily aligned and the efficiency of the assembling process can be improved.

1 is a perspective view of an electronic control unit of a vehicle according to an embodiment of the present invention.
2 is a cross-sectional view taken along line II-II in FIG.
Fig. 3 is a perspective view showing a part of the back surface of the electronic control unit of the vehicle of Fig. 1; Fig.
4 is a plan view showing the circuit board of Fig.
5A and 5B are cross-sectional views illustrating an operation in which the circuit board of FIG. 4 is assembled into a housing.
Fig. 6 is a perspective view of the circuit board of Fig. 4 mounted on the housing. Fig.
7 is a cross-sectional view illustrating another operation in which the circuit board of FIG. 4 is assembled to the housing.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to designate the same or similar components throughout the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In addition, the preferred embodiments of the present invention will be described below, but it is needless to say that the technical idea of the present invention is not limited thereto and can be variously modified by those skilled in the art.

1 is a perspective view of an electronic control apparatus 100 of a vehicle according to an embodiment of the present invention, and Fig. 2 is a sectional view taken along line II-II in Fig.

1 and 2, an electronic control unit 100 of a vehicle includes a housing 110, a connector 120, a fin 130, and a circuit board 150. The fin 130 and the circuit board 150 may constitute an electronic control element mounted inside the housing 110.

An electronic control unit 100 of a vehicle is an electronic control unit that electrically controls each part of a vehicle, for example, an integrated control circuit unit such as a circuit board 150 mounted thereon. A heat dissipating structure for discharging heat generated from a heat generating element (not shown) to the atmosphere and a housing 110 for preventing moisture and foreign substances from entering the outside. The housing 110 of the electronic control unit of the vehicle may have a can type One Piece Housing while accommodating the fin 130 and the circuit board 150 therein.

The housing 110 may form an appearance of the electronic control unit 100 and may include an electronic control element in the internal space. The housing 110 has a connector 120 to which an electronic control element is coupled and is fitted in a slide form. That is, the housing 110 may be inserted into the connector 120 in the first direction, which is the longitudinal direction, so as to cover the openings on one side of the housing 110.

The housing 110 may include an upper cover 111, a bent portion 112, a sliding guide portion 113, and a lower cover 114. The upper cover 111 and the lower cover 114 may be arranged to surround the upper and lower portions of the electronic control unit 100 of the vehicle. The bent portion 112 and the sliding guide portion 113 may be arranged to surround both sides of the electronic control unit 100 of the vehicle.

The bent portion 112 may extend from the upper cover 111 and may be connected to the sliding guide portion 113. The sliding guide portion 113 can guide the circuit board 150 to be inserted in the first direction. The sliding guide portion 113 may be formed with a path through which both ends of the circuit board 150 are moved.

3 is a perspective view showing a part of the back surface of the electronic control unit 100 of the vehicle of Fig.

Referring to FIG. 3, a radiating fin 160 may be installed on one side of the housing 110. In detail, a radiating fin 160 may be installed on a lower surface of the sliding guide portion 113.

A radiating fin 160 is installed on one side of the sliding guide part 113 so that the internal heat generated from the electronic control element can be transmitted to the outside. The edge of the circuit board 150 may physically contact the radiating fin 160 when the circuit board 150 is mounted on the sliding guide portion 113. The plurality of heat dissipation fins 160 may be provided and may be arranged to have a predetermined gap.

Referring again to Figures 1 and 2, the housing 110 may include a second alignment portion 115. The second aligning portion 115 may function as a cover for aligning the circuit board 150 inserted into the inner space of the housing 110. [ At least a part of the first and second alignment portions 151 and 115 may be inserted into each other to set a position.

 The second aligning portion 115 may have a concavo-convex shape, and the first aligning portion 151 may have a shape in which the second aligning portion 115 is inserted. For example, if the second aligning portion 115 has a protruding shape, the first aligning portion 151 can be formed in a hole or groove shape. Further, if the second aligning portion 115 has a hole or groove shape, The first alignment portion 151 may be formed in a protruding shape. Hereinafter, for convenience of explanation, the case where the first aligning portion 151 has a hole shape and the second aligning portion 115 has a protrusion shape will be mainly described.

The connector 120 is electrically connected to the electronic control element and inserted into one side of the housing 110 to cover the one side.

The pin part 130 is for connecting to the external connection module and includes an inner pin for connection with the circuit board 150 inside the housing 110 and an outer pin for connecting to the connection module from the outside, and an outer pin.

4 is a plan view showing the circuit board 150 of FIG.

Referring to FIG. 4, the circuit board 150 is mounted with various electronic components and can be electrically connected to the fin 130. The circuit board 150 may include a first alignment portion 151 and a heat dissipation adhesive layer 152 on the bottom surface thereof.

In the circuit board 150, the first alignment portion 151 may be formed on the outer side of the heat radiation adhesive layer 152. A plurality of first alignment portions 151 may be disposed on both ends of the circuit board 150 so that at least a portion of the second alignment portion 115 may be inserted. The position of the circuit board 150 may be aligned and the heat radiation adhesive layer 152 may be adhered to one side of the sliding guide portion 113. In this case, A detailed description thereof will be given later.

A heat radiation adhesive layer 152 may be formed on one surface of the circuit board 150 in a first direction. The heat radiation adhesive layer 152 can transmit heat generated in the circuit board 150 to the heat radiation fins 160. The circuit board 150 may generate heat from the mounted components. In order to improve the durability and stability of the electronic control unit 100, the heat must be discharged to the outside.

The heat radiation adhesive layer 152 may be formed by applying a thermal glue to one surface of the circuit board 150. The heat radiation adhesive layer 152 may be applied to both sides of the circuit board 150 in parallel in the first direction. The heat-dissipating adhesive is not limited to a specific material, and may be selected from materials having thermal conductivity and adhesiveness.

The heat radiation adhesive layer 152 may be adhered to the inner surface of the sliding guide portion 113 when the circuit board 150 is inserted into the housing 110. The heat radiation adhesive layer 152 is adhered to the sliding guide portion 113 and can maintain contact with the heat radiation fins 160. The heat radiation adhesive layer 152 can maintain the physical contact between the circuit board 150 and the heat radiation fins 160 to improve the heat radiation performance.

A plurality of first alignment portions 151 may be provided along the first direction. The intervals between the first alignment portions 151 may be different from each other. For example, the distance D1 between any one of the plurality of first alignment portions 151 and the adjacent first alignment portion is smaller than the distance D1 between any one of the plurality of first alignment portions 151 The distance D2 between the first alignment portion and the adjacent first alignment portion may be formed differently.

If the distance between the first alignment portions 151 is the same, the circuit board 150 is inserted into the second alignment portion 115 in the middle of movement in the first direction, and the heat dissipation adhesive layer 152 ) May be attached. The circuit board 150 is formed to have a different distance between the first alignment portions 151 so that the heat dissipation adhesive layer 152 is formed on the inner surface of the housing 110 only when all the first alignment portions 151 are aligned at predetermined positions .

When the circuit board 150 is slidably inserted into both ends of the housing 110, the heat-insulating adhesive contacts the edge of the housing 110. A plurality of heat dissipating fins 160 are installed at the edges of the housing 110 so that both ends of the circuit board 150 can physically contact the heat dissipating fins 160 through the edges of the housing 110. That is, the heat generated in the circuit board 150 may be transmitted to the radiating fin 160 and may be radiated to the outside. The heat dissipation fin 160 may be disposed in parallel with the heat dissipation adhesive layer 152. The radiating fins 160 may be arranged to extend in the first direction.

5A and 5B are sectional views showing an operation of assembling the circuit board 150 of FIG. 4 to the housing 110, FIG. 6 is a perspective view of the circuit board 150 of FIG. to be. 7 is a cross-sectional view showing another operation in which the circuit board 150 of FIG. 4 is assembled to the housing 110. FIG.

Referring to Figs. 5 to 7, a method of manufacturing the electronic control apparatus 100 of a vehicle can be described by mounting an electronic control element on the housing 110. Fig.

5A, the electronic control elements can be slid in the first direction on the sliding guide portions 113 provided at both ends of the housing 110. [ The circuit board 150 can be moved in the first direction by the sliding guide part 113. [ At this time, since the second aligning portion 115 is protruded, the inner surface of the circuit board 150 and the sliding guide portion 113 can be maintained at a predetermined gap G. [ The heat dissipation adhesive layer 152 does not contact the inner surface of the housing 110 at the predetermined gap G.

5B and 6, the electronic control element can be aligned by inserting a second aligning portion 115 formed in the sliding guide portion 113 into the first aligning portion 151 disposed at the edge of the electronic control element . When the circuit board 150 continues to move in the first direction, the first aligning portion 151 and the second aligning portion 115 reach a position where they are engaged. That is, the circuit board 150 may be aligned at a predetermined position of the housing 110.

Further, the heat radiation adhesive layer 152 applied to one surface of the electronic control element can contact the inner bottom surface of the sliding guide portion 113. [ When the first aligning portion 151 is aligned with the second aligning portion 115, the first aligning portion 151 is inserted into the second aligning portion 115 and can move downward. The predetermined gap G between the circuit board 150 and the inner surface of the sliding guide portion 113 disappears and the heat radiation adhesive layer 152 comes into contact with the inner surface of the sliding guide portion 113. [

6 and 7, the fixing protrusion 116 is formed by pressing and forming the upper part of the sliding guide part 113 to fix the circuit board 150 aligned in the sliding guide part 113. [ The fixing protrusion 116 presses and secures the circuit board 150 so that the circuit board 150 can be fixed to the housing 110. In one embodiment, the fixing protrusions 116 may be formed to correspond to the positions where the second aligning portions 115 are formed. In addition, a plurality of fixing protrusions 116 may be formed along the first direction.

The electronic control apparatus 100 of the vehicle can improve the heat radiation function by applying the heat dissipation adhesive layer 152 to one surface of the electronic control element. The heat radiation adhesive layer 152 is aligned with the heat radiation fins 160 and can maintain the contact, thereby improving the heat transfer effect.

The heat dissipation adhesive layer 152 is easily set by the alignment structure and is kept in contact with the housing 110 to maximize the heat radiation performance, thereby improving the durability and reliability of the electronic control unit 100 of the vehicle.

The electronic control apparatus 100 of the vehicle can form an alignment structure in the electronic control element and the housing, thereby facilitating the assembly process. The first alignment portion 151 is formed on the electronic control element and the second alignment portion 115 is formed on the housing 110 so that the first alignment portion 151 can be easily aligned by the second alignment portion 115 So that the efficiency of the assembling process can be improved.

It will be apparent to those skilled in the art that various modifications, substitutions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. will be. Therefore, the embodiments disclosed in the present invention and the accompanying drawings are intended to illustrate and not to limit the technical spirit of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments and the accompanying drawings . The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: Electronic control device
110: Housing
113: Sliding guide part
115: 2nd Alliance
116: Fixing projection
120: connector
130:
150: circuit board
151: 1st Alliance
152: heat-
160: heat sink fin

Claims (9)

An electronic control element for electrically controlling each part of the vehicle;
A housing having one side opened and the electronic control element inserted and stored in the first direction from the one side; And
And a connector electrically connected to the electronic control element and covering one side of the housing,
Wherein the housing has a sliding guide portion along the first direction,
Wherein the electronic control element includes a first aligning portion formed along the first direction at a portion guided by the sliding guide portion,
Wherein the sliding guide portion is provided with a second aligning portion protruding from an inner bottom surface, and when the electronic control element is installed in the housing, the second aligning portion is at least partially inserted into the first aligning portion,
Characterized in that when the electronic control element is inserted and aligned in the housing, the electronic control element is fixed by forming an upper portion of the sliding guide portion corresponding to the position of the second aligning portion to form a fixing protrusion Control device. delete The method according to claim 1,
A heat dissipation adhesive layer is formed on the bottom surface of the electronic control element,
Wherein the heat dissipation adhesive layer contacts the bottom surface of the housing when at least a part of the second aligning portion is inserted into the first aligning portion. The method according to claim 1,
Wherein when the electronic control element is guided by the sliding guide portion and inserted into the housing, the electronic control element is inserted and supported by the second aligning portion so as to be spaced apart from the bottom surface of the sliding guide portion. The method according to any one of claims 1, 3, and 4,
Wherein the first aligning portion is provided in at least one hole shape and the second aligning portion is provided in a shape corresponding to the hole. delete delete Sliding the electronic control element in a first direction in a sliding guide portion provided at both ends of the housing;
Aligning the electronic control element by inserting a second alignment portion formed in the sliding guide portion into a first alignment portion disposed at an edge of the electronic control element;
A step of contacting a heat radiation adhesive layer applied to one surface of the electronic control element to an inner surface of the sliding guide portion; And
Fixing the electronic control element to the housing by forming the sliding guide portion corresponding to the position of the second aligning portion to form a fixing protrusion;
Wherein the electronic control device is mounted on a vehicle. delete
KR1020150177083A 2015-12-11 2015-12-11 Electronic control device for vehicle and manufacturing method of the same KR101816033B1 (en)

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KR1020150177083A KR101816033B1 (en) 2015-12-11 2015-12-11 Electronic control device for vehicle and manufacturing method of the same

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Application Number Priority Date Filing Date Title
KR1020150177083A KR101816033B1 (en) 2015-12-11 2015-12-11 Electronic control device for vehicle and manufacturing method of the same

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KR20170069630A KR20170069630A (en) 2017-06-21
KR101816033B1 true KR101816033B1 (en) 2018-01-08

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101460896B1 (en) * 2013-06-07 2014-11-12 현대오트론 주식회사 Electronic control apparatus for vehicle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101460896B1 (en) * 2013-06-07 2014-11-12 현대오트론 주식회사 Electronic control apparatus for vehicle

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