CN204069593U - Occupant restraint device control device - Google Patents
Occupant restraint device control device Download PDFInfo
- Publication number
- CN204069593U CN204069593U CN201290001064.8U CN201290001064U CN204069593U CN 204069593 U CN204069593 U CN 204069593U CN 201290001064 U CN201290001064 U CN 201290001064U CN 204069593 U CN204069593 U CN 204069593U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- electronic circuit
- resin box
- earth terminal
- occupant restraint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- 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
- H05K5/0073—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having specific features for mounting the housing on an external structure
-
- 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
- B60R16/023—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 for transmission of signals between vehicle parts or subsystems
- B60R16/0239—Electronic boxes
Abstract
The utility model provides a kind of surface temperature of electronic component that can make to reduce, thus omits the control device driving occupant restraint device of fin.This occupant restraint device control device, have installed be used for the control circuit exporting startup signal electronic circuit board (2), hold this electronic circuit board (2) and the resin box (1) covered and in cover (4), earth terminal (3) to electronic circuit board (2) external ground line.Earth terminal (3) is metal making sheet, and having can the thickness of Autonomous maintenance shape, and the end side of this earth terminal (3) is located at a place of the installation portion (1a) of resin box (1).Along the part making described installation portion (1a) the i.e. bight of resin box (1) towards resin box (1) inner side depression, the bight of electronic circuit board (2) is made breach.At least configure an electronic component (5b) in electronic circuit board (2) the central portion side of opposed notches part, described electronic component (5b) is compared the caloric value of other electronic components (5a) in 25mm radius the tie point (2a) connected from other ports of earth terminal (3) and is wanted large.
Description
Technical field
The utility model relates to a kind of occupant restraint device control device, and it carries out electric control to the startup that occupant restraint device driven by the air bag etc. be arranged on as safety device on automobile.
Background technology
Such as, utilize gas by airbag deployment, thus when colliding protect driving person exempt from impact drive occupant restraint device by occupant restraint device control device electric control its start.
This occupant restraint device control device is configured to, there is the electronic circuit board having installed control circuit, this control circuit exports control signal, and this control signal is for exporting the collision judging vehicle, deployment balloon based on the transducer of sense acceleration or deceleration and the detection of transducer.
In recent years, the resinification of the box holding electronic circuit board is required along with the demand of lighting, in this case, such as patent documentation 1, electronic circuit board and carry out being connected with earth terminal between resin box and the installation portion of vehicle thus earth connection so that electronic equipment stabilisation.
At this moment, if all places of vehicle installation portion are all arranged earth terminal, fixing force when then installing on vehicle is different and can produce potential difference between earth terminal each other, therefore need to strengthen the electric coupling between all earth terminals, or implement EMC (Electro-Magnetic Compatibility) countermeasure in all positions.
Therefore, in order to allow EMC countermeasure only for a place, only connect with this earth connection with earth terminal at one of vehicle local installation portion.
But be arranged on the caloric value that the electronic component on electronic circuit board has many, what have lacks, conventional art about by these electronic components the position be arranged on electronic circuit board never carried out consideration.
Patent documentation 1
Patent documentation 1: Japanese Unexamined Patent Publication 2003-260992 publication
Utility model content
The problem that utility model will solve
Problem to be solved in the utility model is: be arranged on the electronic component on electronic circuit board, its caloric value have have more few, but conventional art about by these electronic components the position be arranged on electronic circuit board never carried out consideration.
The method of Xie Decision problem
The object of occupant restraint device control device of the present utility model is, by considering the position be arranged on by electronic component on electronic circuit board, thus occupant restraint device control device low temperature can be realized, thus omit fin etc., play saving resource.
That is, occupant restraint device control device of the present utility model is topmost is characterised in that,
Possess:
Be provided with the electronic circuit board of control circuit, described control circuit exports according to the detection of the transducer detecting vehicle acceleration or deceleration and judges whether vehicle collides, and exports for starting the control signal of driving occupant restraint device,
Resin box, it holds this electronic circuit board, and has to vehicle installation installation portion,
In lid, it covers the inside peristome of resin box holding described electronic circuit board,
Earth terminal, it carries out ground connection to electronic circuit board outside;
Described earth terminal formed by metal making sheet, and this metal making sheet has can the thickness of Autonomous maintenance tabular,
Described resin box makes inwards to cave in as the bight to vehicle installation installation portion,
In described electronic circuit board, along the part of the described inner side depression in the bight of described resin box, bight forms the shape of breach,
One end is connected to the other end of the described earth terminal at installation portion one place of described resin box, is connected to the barbed portion of relatively described electronic circuit board and is arranged on the tie point on the electronic circuit board of central portion side, and,
Electronic circuit board in 25mm radius at least configures an electronic component larger than the caloric value of other electronic components lighting from this connection.
Because the utility model makes the bight of vehicle installation portion and resin box cave in the inside, form along this sunk part electronic circuit board angle shape jaggy, therefore the tie point surrounding area of the earth terminal of electronic circuit board is wider than general corner portion.Thus, electronic component heat occurring large can be configured in around tie point more in large quantities.
In the middle of the utility model, so-called the thickness of Autonomous maintenance plate shape " can ", refer at this metallic plate monomer when transferring on the table without any the state supported, this metallic plate deforms because of reasons such as own wts hardly, and its thickness can ensure that the shape maintains of metallic plate monomer is constant substantially.Such as metal forming is easy as paper to deform, and is not therefore just included in the ranks of metal making sheet described in the application's book.Preferably there is the metallic plate of more than 0.1mm thickness.
Utility model effect
In the utility model, more substantial, that caloric value is large electronic component can be configured around the tie point towards the earth terminal on electronic circuit board, therefore earth terminal can be utilized to carry out effective heat transfer, reduce the surface temperature of the large electronic component of heat dissipation capacity.As a result, can fin etc. be omitted, reach the object of saving resource.
Accompanying drawing explanation
[Fig. 1] figure of occupant restraint device control device of the present utility model viewed from bottom surface side.
[Fig. 2] represents the perspective view of occupant restraint device control device outward appearance of the present utility model from face side.
[Fig. 3] forms the electronic circuit board of occupant restraint device control device of the present utility model and is arranged on the figure of the electronic component electronic circuit board viewed from face side.
[Fig. 4] (a) for illustrate occupant restraint device control device feature of the present utility model, represent figure near the tie point that other ends of same earth terminal connect; B () (c) is for illustrating structure in the past, with (a) identical figure.
Embodiment
The purpose of this utility model is, omits fin etc. by the low temperature of carrying out occupant restraint device control device, to realize saving resource.Further, this object realizes by the following method: make the bight of vehicle installation portion and resin box cave in the inside, forms the electronic circuit board bight shape jaggy along this sunk part.
Embodiment
Below use Fig. 1-Fig. 4, just implement embodiment of the present utility model and be described.
1 is resin box, is the box shape of bottom surface and lateral opening.In the middle of the utility model, the bottom surface peristome outer circumferential side of this resin box 1, the such as bight at three places is provided with vehicle installation portion 1a.Further, be provided with the resin box 1 of this installation portion 1a, such as all three bights, as shown in Figure 1, cave in inside orthogonal rectilinear direction from each limit of resin box 1 15-30mm.
2 is the electronic circuit boards being accommodated in described resin box 1 inside.This electronic circuit board 2 is provided with control circuit, and this control circuit exports based on the detection of the transducer detecting vehicle acceleration or deceleration, judges whether vehicle collides, such as, export the control signal for starting air bag.
In the middle of the utility model, the shape of electronic circuit board 2 is formed as with the similar shape of the interior shape of described resin box 1, namely along the part caved in towards described inner side in three bights, place of the installation portion 1a being provided with resin box 1, electronic circuit board 2 bight shape jaggy is formed.Further, the electronic circuit board 2 of the central portion side of this barbed portion relative arranges the tie point 2a of earth terminal 3, and it is from electronic circuit board 2 by the installation portion 1a of resin box 1, externally line.
Described earth terminal 3 is formed by metal making sheet, and the plate shape of this metal making sheet can Autonomous maintenance, such as, have the thickness of more than 0.1mm.Further, by the one end part of this metal making sheet in a place of the installation portion 1a of described resin box 1, the other end is positioned on the described tie point 2a of electronic circuit board 2, thus earth connection.
4 is inner lids, and it is arranged on the bottom surface side of resin box 1, covers the bottom surface peristome of the resin box 1 holding electronic circuit board 2.
The utility model is while being made into described shape by resin box 1 and electronic circuit board 2, from within the scope of the tie point 2a radius 25mm of electronic circuit board 2, more preferably within the scope of 20mm, the electronic component 5b that configuration is larger than other electronic components 5a caloric value as far as possible.At this, the electronic component 5b that so-called caloric value is large, mainly refers to the integrated circuit components such as power circuit.The electronic component 5b that caloric value is large is a kind of integrated circuit, comprises the semiconductor elements such as multiple transistors at element internal, and during the running of this element, its inside such as at least comprises the element more than 85 DEG C.
The electronic circuit board 2 (with reference to Fig. 4 (a)) of bight shape jaggy like this, the situation (with reference to Fig. 4 (c)) not arranging tie point 2a near one side of single corner portion jaggy (with reference to Fig. 4 (b)) and electronic circuit board 2b compared with bight, the area around tie point 2a is wider.
In order to play such action effect, make the scope inwards caved in the bight of resin box 1, preferred more than 15mm explained above.On the other hand, when exceeding 30mm, the area of electronic circuit board 2 can diminish, and cannot install the control circuit of specifying, therefore preferred below 30mm.
Thus, the utility model is compared to the electronic circuit board 2 shown in Fig. 4 (b) (c), the large electronic component 5b of caloric value can be set heat transfer good locations around tie point 2a in a large number, make the surface temperature of electronic component 5b reduce.
In order to play such action effect, namely at the tie point 2a place radius of electronic circuit board 2 more than in the scope of 25mm, heat transfer will be affected, and can not reach the object of expected reduction electronical elements surface temperature, therefore scope will be arranged within radius 25mm by the utility model.
Along band, when more preferably, the large electronic unit 5b of caloric value is set in the scope of the tie point 2a radius 20mm of electronic circuit board 2, temperature is under the hot environment of 85 DEG C around, and the surface temperature of this electronic component 5b confirms that most multipotency declines 3 degree.
This shows, according to occupant restraint device control device of the present utility model, the fin etc. that the heat dissipating method as usual electronic component uses can be omitted.
As shown in Fig. 4 (a), the position of described tie point 2a of the present utility model is preferably, corresponding point c and be positioned at electronic circuit board 2 central portion side, this c be straight line L1, the L2 extended in wiring direction from breach initial point a, the b on described barbed portion both sides the point that interlocks.When this position, no matter notch geometry why, can arrange tie point 2a, and can configure the large electronic component 5b of caloric value near tie point 2a.
The utility model is not limited to above-mentioned example, as long as be included in the technological thought category described in each claim, can carry out the change of suitable example.
That is, above-described occupant restraint device control device is preference of the present utility model, and example in addition also can be implemented by various method or perform.As long as no the content be particularly limited in present specification, the shape of the detailed components shown in the utility model accompanying drawing, size and structural allocation all do not limit.In addition, the performance used in present specification and term are for the purpose of description, as long as no the content be particularly limited to, then do not limit.
Such as, the installation portion 1a of all resin boxes 1 in above-mentioned example, is allowed to cave in inside resin box 1, as long as but cave in inside resin box 1 with the installation portion 1a that earth terminal 3 connects, then remaining installation portion 1a also can cave in.
In addition, the degree for depression inside resin box 1 does not limit, but lower limit is at least have the width making the screw head installed towards vehicle hold.On the other hand, higher limit is then on electronic circuit board 2, to install the width of necessary control circuit.
In addition, in the middle of above-mentioned example, cave in from each limit of resin box 1 towards orthogonal rectilinear direction, but depression direction inwards also can like this.
The possibility of industrial utilization
Above the utility model is not limited to the device controlling airbag deployment, as long as have the control device of resin box, wherein this resin box is hold the machine needing earth connection, so without exception effectively.
Symbol description
1 resin box
1a installation portion
2 electronic circuit boards
2a tie point
3 earth terminals
4 li of lids
The electronic component that 5b caloric value is large
Claims (2)
1. an occupant restraint device control device, is characterized in that,
Possess:
Be provided with the electronic circuit board of control circuit, described control circuit exports according to the detection of the transducer detecting vehicle acceleration or deceleration and judges whether vehicle collides, and exports for starting the control signal of driving occupant restraint device,
Resin box, it holds this electronic circuit board, and has to vehicle installation installation portion,
In lid, it covers the inside peristome of resin box holding described electronic circuit board,
Earth terminal, it carries out ground connection to described electronic circuit board outside;
Described earth terminal formed by metal making sheet, and this metal making sheet has can the thickness of Autonomous maintenance tabular,
Described resin box makes inwards to cave in as the bight to vehicle installation installation portion,
In described electronic circuit board, along the part of the described inner side depression in the bight of described resin box, bight forms the shape of breach,
One end is connected to the other end of the described earth terminal at installation portion one place of described resin box, is connected to the barbed portion of relatively described electronic circuit board and is arranged on the tie point on the electronic circuit board of central portion side, and,
Described electronic circuit board in 25mm radius at least configures an electronic component larger than the caloric value of other electronic components lighting from this connection.
2. occupant restraint device control device according to claim 1, it is characterized in that, the tie point of described electronic circuit board, the straight line relatively extended in wiring direction from the breach initial point on the both sides of described barbed portion the point that interlocks and be positioned at the central portion side of electronic circuit board.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011283777 | 2011-12-26 | ||
| JP2011-283777 | 2011-12-26 | ||
| PCT/JP2012/079959 WO2013099474A1 (en) | 2011-12-26 | 2012-11-19 | Occupant restraint device control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204069593U true CN204069593U (en) | 2014-12-31 |
Family
ID=48696973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201290001064.8U Expired - Lifetime CN204069593U (en) | 2011-12-26 | 2012-11-19 | Occupant restraint device control device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3193907U (en) |
| CN (1) | CN204069593U (en) |
| WO (1) | WO2013099474A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6424839B2 (en) * | 2016-01-08 | 2018-11-21 | 株式会社デンソー | Electronic control unit and electric power steering apparatus using the same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5236178B2 (en) * | 2006-11-17 | 2013-07-17 | 株式会社デンソー | Electronic circuit equipment |
| CN102356012B (en) * | 2009-03-19 | 2015-04-22 | 奥托立夫开发公司 | Occupant restraint device control device |
| JP4806079B2 (en) * | 2010-02-17 | 2011-11-02 | 株式会社東芝 | Storage device |
-
2012
- 2012-11-19 JP JP2014600039U patent/JP3193907U/en not_active Expired - Fee Related
- 2012-11-19 CN CN201290001064.8U patent/CN204069593U/en not_active Expired - Lifetime
- 2012-11-19 WO PCT/JP2012/079959 patent/WO2013099474A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013099474A1 (en) | 2013-07-04 |
| JP3193907U (en) | 2014-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180716 Address after: Sweden Wogaerda Patentee after: Vennell Sweden Address before: Sweden Wogaerda Patentee before: AUTOLIV DEVELOPMENT AB |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141231 |
|
| CX01 | Expiry of patent term |