WO2010107025A1 - 乗員拘束装置制御装置 - Google Patents
乗員拘束装置制御装置 Download PDFInfo
- Publication number
- WO2010107025A1 WO2010107025A1 PCT/JP2010/054435 JP2010054435W WO2010107025A1 WO 2010107025 A1 WO2010107025 A1 WO 2010107025A1 JP 2010054435 W JP2010054435 W JP 2010054435W WO 2010107025 A1 WO2010107025 A1 WO 2010107025A1
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- WO
- WIPO (PCT)
- Prior art keywords
- circuit board
- vehicle
- ground
- spring structure
- electronic circuit
- Prior art date
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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
- H05K5/0078—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units specially adapted for acceleration sensors, e.g. crash sensors, airbag sensors
-
- 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
- B60R16/03—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 supply of electrical power to vehicle subsystems or for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0132—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R2021/01286—Electronic control units
Definitions
- the present invention relates to an occupant restraint device control apparatus that electrically controls activation of an occupant restraint device installed in a vehicle as a safety device.
- an airbag device that restrains an occupant in the event of a collision and protects the occupant from an impact in the event of a collision by deploying the airbag with gas, electrically controls the deployment of the airbag by the airbag control device. Has been.
- This airbag control device is an electronic device incorporating a sensor that detects acceleration or deceleration, and a control circuit that determines a vehicle collision based on the detection output of the sensor and outputs a control signal for deploying the airbag. It is the structure provided with the circuit board.
- a housing that houses the electronic circuit board is conventionally made of metal such as aluminum die-casting in order to ensure reliability (for example, Patent Document 1).
- Patent Document 1 A housing that houses the electronic circuit board is conventionally made of metal such as aluminum die-casting in order to ensure reliability.
- demands for weight reduction have been increased in response to increasing environmental problems, and there has been a demand for resin of a housing.
- Japanese Unexamined Patent Publication No. 2000-33848 Japanese Unexamined Patent Publication No. 2000-33848
- the casing is structured to be grounded from the electronic circuit board to stabilize the electronic device.
- the casing is made of resin, the casing cannot be grounded. Therefore, it is necessary to ensure the same grounding performance as before with separate parts.
- the problem to be solved by the present invention is that if the casing is made of resin due to the demand for weight reduction, it is not possible to take the ground from the casing. It is a point.
- the occupant restraint device control apparatus adopts the following configuration in order to ensure the same grounding performance as in the past even when the casing is made of resin.
- the occupant restraint device control device of the present invention is A sensor for detecting acceleration or deceleration of the vehicle; An electronic circuit board that incorporates a control circuit that determines whether or not the vehicle has a collision based on the detection output of the sensor and outputs a control signal for starting the occupant restraint, Have
- the electronic circuit board is housed in a resin casing provided with a ground electrode lead-out structure from the inside to the outside,
- the ground electrode lead-out structure is A fixed leg portion for fixing the electronic circuit board is provided inside the housing, and a first spring structure portion is sandwiched between the fixed leg portion and a mounting portion for a vehicle between the fixed leg portion and the electronic circuit board.
- a ground terminal member sandwiched between the housing and a part of the vehicle, and a ground lead member including a bent second spring structure portion that connects the first spring structure portion and the ground terminal portion.
- the main feature is the structure.
- the electronic circuit board is accommodated in a resin casing provided with a ground electrode lead-out structure from the inside to the outside. Even if a resin casing is adopted to reduce the weight, Similar grounding performance can be ensured.
- the ground drawing member is A first spring structure sandwiched between the fixed leg and the electronic circuit board; A ground terminal portion sandwiched between the housing and a part of the vehicle; A bent second spring structure connecting the first spring structure and the ground terminal; Therefore, even if a secular change occurs in the mounting portion of the ground drawing member, this secular change can be absorbed.
- the present invention by providing a ground electrode lead-out structure from the inside to the outside in the case, even when a resin case is adopted in order to reduce the weight, the same grounding performance as before can be secured. Can do.
- the sensor performance equivalent to the conventional one is satisfied, and the reduction of the sensor weight leads to the reduction of the vehicle weight, and as a result, the fuel efficiency of the vehicle can be improved.
- a ground electrode lead-out structure from the inside to the outside is provided on the casing for the purpose of ensuring the same grounding performance as in the past. Realized by providing.
- Reference numeral 1 denotes a resin casing having a box shape in which an upper portion and one side wall are opened, and mounting portions 1a to a vehicle are provided at, for example, three corners on the outer peripheral side of the upper opening. And the inside of this housing
- casing 1 fixes the electronic circuit board 2 to four corners so that the electronic circuit board 2 incorporating the control circuit which outputs the control signal for deploying an airbag, for example can be accommodated. Legs 1b are provided.
- Reference numeral 3 denotes a ground drawing member for drawing a ground electrode from the inside of the housing 1 to the outside, and connects one of the mounting portions 1a and one of the fixed legs 1b of the housing 1 (FIG. 2A). reference).
- the ground drawing member 3 includes a first spring structure portion 3a that is an attachment portion to the fixed leg portion 1b, a ground terminal portion 3b that is an attachment portion to the vehicle 6, and the first spring structure portion 3a and the ground terminal portion. It is comprised with the 2nd spring structure part 3c which connects 3b.
- the first spring structure portion 3a has a configuration in which a part is cut by a slit and a step is provided in the cut portion 3aa. And as shown in FIG.3 (b), it attaches with the screw
- FIG. 5 denotes a cover attached to the upper part of the electronic circuit board 2.
- the ground terminal portion 3b does not employ a structure like the first spring structure portion 3a. Therefore, as shown in FIG. 3C, even if the bolt 7 is attached so as to be sandwiched between the attachment portion 1 a and the vehicle 6, the attachment portion cannot absorb the secular change of the housing 1.
- the portion connecting the first spring structure portion 3a and the ground terminal portion 3b has a bent spring structure (second spring structure portion 3c), even if the housing 1 is reduced due to secular change, The second spring structure 3c can maintain the ground strength with the electronic circuit board 2.
- the stability of the electronic device can be improved. Can be established.
- a steady humidity test (atmosphere temperature 85 ° C., humidity 85%, 1000 hours) that the present invention has the same electronic device stabilization performance as a conventional product employing an aluminum die-cast housing. The results proved by performing are described below.
- Table 1 The contact resistance before the steady humidity test is shown in Table 1 below, and the contact resistance after the steady humidity test is shown in Table 2 below for both the present product and the conventional product.
- Tables 1 and 2 below Invention 1 is fixed with a screw as shown in the attached drawings, and Invention 2 is fixed with a fixing leg by heat welding.
- the conventional product 1 is grounded at 4 points, and the conventional product 2 is grounded at 5 points.
- the occupant restraint device control apparatus described above is a preferred example of the present invention, and other embodiments can be implemented or performed by various methods.
- the present invention is not limited to the detailed shape, size, configuration, and the like of the components shown in the accompanying drawings unless otherwise specified in the present specification.
- expressions and terms used in the present specification are for the purpose of explanation, and are not limited thereto unless specifically limited.
- the attachment to the fixed leg portion 1b is not limited to the screw 4 described with reference to FIG. 3, but may be attached by thermal welding as in Invention Example 2.
- the present invention described above is not limited to a device that controls the deployment of an airbag, and any housing that houses a device that needs to be grounded, such as a device that controls restraint of a seat belt. Is also effective.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Air Bags (AREA)
Abstract
Description
車両の加速度又は減速度を検出するセンサーと、
このセンサーの検出出力に基づいて車両の衝突か否かを判定し、乗員拘束具を起動するための制御信号を出力する制御回路を組み込んだ電子回路基板と、
を有し、
内部から外部へのグランド電極の引き出し構造を設けた樹脂製の筐体の内部に、前記電子回路基板が収容されており、
前記グランド電極の引き出し構造は、
前記筐体の内部に前記電子回路基板を固定する固定脚部を設け、この固定脚部と、車両への取付け部を、前記固定脚部と前記電子回路基板に挟持される第1ばね構造部と、前記筐体と車両の一部に挟持されるグランド端子部と、前記第1ばね構造部と前記グランド端子部を繋ぐ、屈曲状の第2ばね構造部とを備えたグランド引き出し部材で繋いだ構造であることを最も主要な特徴としている。
固定脚部と電子回路基板に挟持される第1ばね構造部と、
筐体と車両の一部に挟持されるグランド端子部と、
第1ばね構造部とグランド端子部を繋ぐ、屈曲状の第2ばね構造部と、
を備えたものとしているので、グランド引き出し部材の取付け部に経年変化が発生しても、この経年変化を吸収することができる。
1a 取付け部
1b 固定脚部
2 電子回路基板
3 グランド引き出し部材
3a 第1ばね構造部
3b グランド端子部
3c 第2ばね構造部
6 車両
1は樹脂製の筐体であり、上部と一方の側壁が開口した箱型形状をなし、上部開口部の外周側の例えば三隅に車両への取付け部1aを設けている。そして、この筐体1の内部には、例えば、エアバッグを展開するための制御信号を出力する制御回路を組み込んだ電子回路基板2を収容できるように、四隅に電子回路基板2を固定する固定脚部1bを設けている。
Claims (1)
- 車両の加速度又は減速度を検出するセンサーと、
このセンサーの検出出力に基づいて車両の衝突か否かを判定し、乗員拘束具を起動するための制御信号を出力する制御回路を組み込んだ電子回路基板と、
を有し、
内部から外部へのグランド電極の引き出し構造を設けた樹脂製の筐体の内部に、前記電子回路基板が収容されており、
前記グランド電極の引き出し構造は、
前記筐体の内部に前記電子回路基板を固定する固定脚部を設け、この固定脚部と、車両への取付け部を、前記固定脚部と前記電子回路基板に挟持される第1ばね構造部と、前記筐体と車両の一部に挟持されるグランド端子部と、前記第1ばね構造部と前記グランド端子部を繋ぐ、屈曲状の第2ばね構造部とを備えたグランド引き出し部材で繋いだ構造であることを特徴とする乗員拘束装置制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10753517.1A EP2409880B1 (en) | 2009-03-19 | 2010-03-16 | Occupant restraint device control device |
US13/257,422 US8532882B2 (en) | 2009-03-19 | 2010-03-16 | Occupant restraint device control device |
CN201080012416.5A CN102356012B (zh) | 2009-03-19 | 2010-03-16 | 驾乘员束缚装置控制装置 |
JP2011504847A JP5425182B2 (ja) | 2009-03-19 | 2010-03-16 | 乗員拘束装置制御装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009068497 | 2009-03-19 | ||
JP2009-068497 | 2009-03-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010107025A1 true WO2010107025A1 (ja) | 2010-09-23 |
Family
ID=42739685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/054435 WO2010107025A1 (ja) | 2009-03-19 | 2010-03-16 | 乗員拘束装置制御装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8532882B2 (ja) |
EP (1) | EP2409880B1 (ja) |
JP (1) | JP5425182B2 (ja) |
CN (1) | CN102356012B (ja) |
WO (1) | WO2010107025A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012121472A (ja) * | 2010-12-09 | 2012-06-28 | Autoliv Development Ab | 乗員拘束装置用の制御装置 |
WO2013011747A1 (ja) * | 2011-07-21 | 2013-01-24 | オートリブ ディベロップメント エービー | エアバッグ展開用電子回路装置 |
WO2013099474A1 (ja) * | 2011-12-26 | 2013-07-04 | オートリブ ディベロップメント エービー | 乗員拘束装置制御装置 |
WO2021044831A1 (ja) * | 2019-09-02 | 2021-03-11 | 日立オートモティブシステムズ株式会社 | 電子制御装置 |
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US20130062137A1 (en) * | 2011-09-14 | 2013-03-14 | Hitachi Automotive Systems, Ltd. | Electric Power Steering System |
CN202624132U (zh) * | 2012-06-07 | 2012-12-26 | 奥托立夫开发公司 | 车用电子控制装置 |
JP6623704B2 (ja) * | 2015-11-12 | 2019-12-25 | いすゞ自動車株式会社 | 内燃機関のアース構造 |
JP6378714B2 (ja) * | 2016-04-20 | 2018-08-22 | 矢崎総業株式会社 | 電気接続箱 |
CN107444463B (zh) | 2016-05-25 | 2021-05-14 | 均胜安全系统日本株式会社 | 方向盘 |
CN115923709A (zh) * | 2022-10-31 | 2023-04-07 | 江苏联成开拓集团有限公司 | 一种汽车安全气囊控制器 |
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2010
- 2010-03-16 JP JP2011504847A patent/JP5425182B2/ja active Active
- 2010-03-16 US US13/257,422 patent/US8532882B2/en active Active
- 2010-03-16 WO PCT/JP2010/054435 patent/WO2010107025A1/ja active Application Filing
- 2010-03-16 CN CN201080012416.5A patent/CN102356012B/zh active Active
- 2010-03-16 EP EP10753517.1A patent/EP2409880B1/en active Active
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JP2000033848A (ja) | 1998-07-17 | 2000-02-02 | Asuko Kk | エアバッグ制御装置 |
JP2003260992A (ja) * | 2002-03-06 | 2003-09-16 | Denso Corp | 電気回路保護装置 |
JP2005064938A (ja) * | 2003-08-14 | 2005-03-10 | Nec Access Technica Ltd | 小型無線機用アンテナ装置 |
JP2006319854A (ja) * | 2005-05-16 | 2006-11-24 | Matsushita Electric Ind Co Ltd | 携帯端末装置およびそのシールド板 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012121472A (ja) * | 2010-12-09 | 2012-06-28 | Autoliv Development Ab | 乗員拘束装置用の制御装置 |
CN102529848A (zh) * | 2010-12-09 | 2012-07-04 | 奥托立夫开发公司 | 驾乘员束缚装置用的控制装置 |
WO2013011747A1 (ja) * | 2011-07-21 | 2013-01-24 | オートリブ ディベロップメント エービー | エアバッグ展開用電子回路装置 |
JPWO2013011747A1 (ja) * | 2011-07-21 | 2015-02-23 | オートリブ ディベロップメント エービー | エアバッグ展開用電子回路装置 |
WO2013099474A1 (ja) * | 2011-12-26 | 2013-07-04 | オートリブ ディベロップメント エービー | 乗員拘束装置制御装置 |
WO2021044831A1 (ja) * | 2019-09-02 | 2021-03-11 | 日立オートモティブシステムズ株式会社 | 電子制御装置 |
JPWO2021044831A1 (ja) * | 2019-09-02 | 2021-03-11 |
Also Published As
Publication number | Publication date |
---|---|
EP2409880B1 (en) | 2015-08-19 |
US8532882B2 (en) | 2013-09-10 |
JP5425182B2 (ja) | 2014-02-26 |
JPWO2010107025A1 (ja) | 2012-09-20 |
CN102356012A (zh) | 2012-02-15 |
CN102356012B (zh) | 2015-04-22 |
US20120010784A1 (en) | 2012-01-12 |
EP2409880A4 (en) | 2013-11-06 |
EP2409880A1 (en) | 2012-01-25 |
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