JP4819213B2 - Electrical equipment - Google Patents

Electrical equipment Download PDF

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Publication number
JP4819213B2
JP4819213B2 JP2000175695A JP2000175695A JP4819213B2 JP 4819213 B2 JP4819213 B2 JP 4819213B2 JP 2000175695 A JP2000175695 A JP 2000175695A JP 2000175695 A JP2000175695 A JP 2000175695A JP 4819213 B2 JP4819213 B2 JP 4819213B2
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Japan
Prior art keywords
section
casing
contact
connection
wiring board
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Expired - Fee Related
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JP2000175695A
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JP2001041778A (en
Inventor
ドデラー クラウス
ライン ラルフ
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Robert Bosch GmbH
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Robert Bosch GmbH
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric 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
    • B60R16/02Electric 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
    • B60R16/023Electric 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
    • B60R16/0239Electronic boxes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Mounting Of Printed Circuit Boards And The Like (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Casings For Electric Apparatus (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、電気的な装置であって、電気的な絶縁材料から成る1つのケーシングと互いに絶縁された電気的な複数の接続部材とが設けられており、これらの接続部材がそれぞれ一方の端部側に、対応接触部材と解除可能にコンタクト形成するための接触区分を有していて、かつ他方の端部側にプリント配線板に接続するための接続区分を有しており、少なくとも1つのプリント配線板がケーシングの収容室に挿入されており、前記プリント配線板が一方ではその前面側に少なくとも1つの電気的な構成部材を有していて、他方では前記プリント配線板の背面側に導体路を有している形式のものに関する。
【0002】
【従来の技術】
ドイツ連邦共和国特許出願公開第3310477号明細書に基づき、特に自動車用の切換・制御装置として設けられている、有利には自動車の内室において保護されて装着されている電気的な装置が公知である。この装置には大体積のケーシングが設けられていて、該ケーシングは電気的に絶縁された材料から成っており、かつ少なくとも1つのプリント配線板と、互いに絶縁された複数の電気的な接続部材とを有している。
【0003】
各接続部材はわずかな部分長さにわたって、ケーシングに取り付けられたプラグ体において支承されている。
【0004】
大きな部分長さにわたって接続部材はケーシング内で露出して延在しており、最終的に端部側でプリント配線板に接続されている。
【0005】
装置の構造容積を大きくするこのような構造に基づいて、制限された構成条件下ではこのような装置をもはや使用することはできない。また自動車の保護されない箇所、例えば激しく水しぶきを浴びる車輪の領域における運転では、装置を機能損失の危険なく使用することはできない。
【0006】
【発明が解決しようとする課題】
本発明の課題は、制限された条件下でも使用可能なコンパクトな装置を提供することである。
【0007】
【課題を解決するための手段】
この課題を解決するために本発明では、電気的な装置が特に自動車用の測定値検出器を形成しており、接続部材が結合区分では接触区分を有する接触部材と、接続区分を有するばね部材とで構成されており、接触区分と接続区分と結合区分とを除いた接続部材がほぼケーシング内に埋め込まれているようにした。
【0008】
【発明の効果】
請求項1の特徴部に記載した構成を有する本発明による電気的な装置は、前述したような欠点を防止し、制限された条件下でも使用可能な、かつコンパクトな装置を実現するという利点を有している。この装置は、運転中自動車に生じ得るような不都合な限定条件下においても機能を確実に保つように構成されている。
【0009】
このために装置は測定値検出器として形成されており、接続部材が電気的に絶縁された材料からなるケーシングにほぼ埋め込まれている。これにより、接続部材を露出させて設置する場合には必要であった安全距離を減少させることができ、かつ接続部材がゆがんだ場合または接続部材が金属部材によって橋絡された場合に機能損失を生ぜしめられる短絡を排除することができるので、電気的な接続部材は別の手段を用いることなく形状安定的にわずかな所要スペースで確実に機能して互いに絶縁される。
【0010】
自動車の運転時に生じ得る高い温度変位の際、ケーシングのプラスチック材料と各接続部材の金属との異なる膨張作用が緩衝されるように、接続部材がそれぞれ1つの接触部材とばね部材とから構成されている。この際、ばね部材が生ぜしめられる温度応力を補償する。
【0011】
これにより一方でケーシング内の埋込部においてかつ他方で導体路との結合箇所において接続部材の剥離が回避される。
【0012】
接続部材の埋込部に沿ってケーシング内に空隙が形成されず、電気的な装置への湿気の浸入が防止されるという利点を有している。さらに別の利点として接続部材と導体路との間の結合箇所は応力かからない状態に保たれる。したがって電気的な装置が困難な使用条件においても機能安定的である。
【0013】
【発明の実施の形態】
次に本発明の実施形態を図面に示した実施例に基づき詳説する。
【0014】
図1には電気的な装置11が示されている。この電気的な装置11は電気的な測定値検出器、例えば角度パルス発生器(Winkelimpulsgeber)、回転速度計またはこれに類するものとして自動車に使用可能である。
【0015】
この装置11は電気的に絶縁されたプラスチックから成るケーシング12を有しており、このプラスチックは射出成形方法で加工されている。ケーシング12は長手方向に延びる本体であり、補足的にいえば直方体形状の領域と円筒形状の領域とを有する基本体である。
【0016】
ケーシング12の長手方向に直交して、ケーシング12には一方でプレート状の張出部13が、かつケーシング12の別の端部にはスリーブ状の接続部14が形成されている。
【0017】
張出部13には金属ブシュ16が挿入されていて、この金属ブシュ16は装置11を自動車のユニットに位置固定するための固定部材(図示せず)を収容するために機能する。
【0018】
接続差込部材(図示せず)を収容するために機能する接続部14には、接続部14の端面側の接続開口17に対してセットバックされて、装置11の接続部材19の露出した端部としての接触区分18が配置されている。この接触区分18は接続差込部材の対応接触部材と接触可能になっていて、例えば自動車の制御装置と装置11との接続部として機能する。
【0019】
ケーシングの他方の端部、すなわち接続部14とは反対側の端部には収容室21が形成されている。この収容室21内にはプリント配線板22が挿入されている。
【0020】
このプリント配線板22はセンサとして形成された少なくとも1つの電気的な構成部材24を前面側23で支持している。収容室21はコップ状のキャップ25によって閉鎖されている。このキャップ25はシールしてケーシング12に支承されている。
【0021】
構成部材24の電気的な接続部は図示していない汎用の形式ではプリント配線板22の背面側26に案内されていて、そこでプリント配線板22の導体路27に材料結合的に接続されている。
【0022】
さらにこれらの導体路27は接続箇所30において接続区分28と導電的に接続されている。これらの接続区分28は、接触区分18とは反対側に位置する、接続部材19の露出した端部を形成している。
【0023】
接続部材19は結合区分29では、接触区分18を有する接触部材31と接続区分28を有するばね部材32とで構成されている。結合区分29では接触部材31とばね部材32とが、これら両部材31,32のオーバーラップ領域において互いに溶接されている。接触部材31は方形の横断面を有する金属レールから成りかつ支持補助部材33によって位置固定されている。ばね部材32は円形の横断面を有する金属レールから構成されている。
【0024】
接触区分18および接続区分28を除いて、接続部材19はプラスチック射出成形方法によって完全にケーシング12内に埋め込まれている。
【0025】
自動車の運転中に生じ得るような大きな温度変位が生じた場合、プラスチックから成るケーシング12とこのケーシング内に埋め込まれた金属製の接続部材19との間に、プラスチックと金属との間の異なる膨張率に基づき引張り負荷および圧縮負荷が生ぜしめられる。引張り負荷および圧縮負荷は、接続部材19が一体的に構成されている場合には特に接続部材19と導体路27との結合箇所30でこれらの結合箇所30の破損を引き起こす。
【0026】
本発明による接続部材19の構成によって、この引張り負荷および圧縮負荷は問題ないレベルにまで低減されるようになっている。このために接続部材19のばね部材32は伸張性ループ部材34(Dehnschlaufe)を有している。この伸張性ループ部材34は、軸線方向に延在する結合区分29から出発して、半径方向に湾曲した半円形の円弧部36と半径方向に延在する延長部37とを有している。この後でばね部材32は接続湾曲部38で軸線方向の延長部と接続区分28とに移行している。
【0027】
直角に曲げられている接触部分31の主に軸線方向の経過を介して温度変位時に生ぜしめられる引張り負荷および圧縮負荷を、ばね部材32の構成、特に円弧部36によって緩衝し、かつ半径方向に延在する延長部37によって軸線方向に延在する接続区分28への負荷の伝達を完全に妨げる。
【0028】
したがって接続区分28は温度変位時に生じる引張り負荷および圧縮負荷から十分に連結をはずされ、接続区分28と導体路27との間の接続箇所30に生じる負荷と、ケーシング12内における接続部材19の埋込部に沿った負荷が問題ないレベルにまで低減される。
【0029】
したがって、直接ケーシング12内に埋め込まれた接続部材19によって小型に形成された電気的な装置は、例えば大きな温度変位および激しい水しぶきによる負荷のような不都合な運転条件下でも安定した機能が維持される。
【図面の簡単な説明】
【図1】電気的な装置の断面図である。
【符号の説明】
11 装置、 12 ケーシング、 13 張出部、 14 接続部、 16金属ブシュ、 17 接続開口、 18 接触区分、 19 接続部材、 21 収容室、 22 プリント配線板、 23 前面側、 24 構成部材、 25 キャップ、 26 背面側、 27 導体路、 28 接続区分、 29結合区分、 30 結合箇所、 31 接触部材、 32 ばね部材、 33支持補助部材、 34 伸張性ループ部材、 36 円弧部、 37 延長部、 38 接続湾曲部
[0001]
BACKGROUND OF THE INVENTION
The present invention is an electrical device, and is provided with a casing made of an electrically insulating material and a plurality of electrically connected members that are insulated from each other. A contact section for forming a releasable contact with the corresponding contact member on the part side, and a connection section for connecting to the printed wiring board on the other end side, and at least one A printed wiring board is inserted into the housing chamber of the casing, and the printed wiring board has, on the one hand, at least one electrical component on the front side, and on the other hand a conductor on the back side of the printed wiring board. It relates to a type having a road.
[0002]
[Prior art]
German Patent Application No. 3310477 discloses an electrical device which is provided as a switching and control device for a motor vehicle, preferably protected and mounted in the interior of a motor vehicle. is there. The apparatus is provided with a large volume casing, the casing being made of an electrically insulated material, and at least one printed wiring board and a plurality of electrical connection members insulated from each other. have.
[0003]
Each connecting member is supported on a plug body attached to the casing over a small part length.
[0004]
The connecting member is exposed and extended in the casing over a large length, and is finally connected to the printed wiring board on the end side.
[0005]
Based on such a structure which increases the structural volume of the device, such a device can no longer be used under limited construction conditions. Also, the device cannot be used without risk of loss of function when driving in unprotected areas of the vehicle, for example, in the area of wheels that are heavily splashed with water.
[0006]
[Problems to be solved by the invention]
The object of the present invention is to provide a compact device which can be used even under restricted conditions.
[0007]
[Means for Solving the Problems]
In order to solve this problem, in the present invention, the electrical device forms a measurement value detector for automobiles in particular, and the connecting member has a contact member having a contact section in the coupling section and a spring member having the connection section. The connection members except for the contact section, the connection section, and the connection section are embedded in the casing.
[0008]
【The invention's effect】
The electrical device according to the present invention having the configuration described in the characterizing portion of claim 1 has the advantage of preventing the above-mentioned drawbacks and realizing a compact device that can be used under limited conditions. Have. This device is configured to ensure that the function is maintained even under adverse limiting conditions that may occur in a motor vehicle during driving.
[0009]
For this purpose, the device is designed as a measurement value detector, in which the connecting member is substantially embedded in a casing made of an electrically insulated material. As a result, the safety distance required when the connecting member is exposed and installed can be reduced, and when the connecting member is distorted or when the connecting member is bridged by a metal member, functional loss is reduced. Since the short circuit that occurs can be eliminated, the electrical connection members can be reliably functioned and insulated from each other in a small required space in a form-stable manner without using another means.
[0010]
The connection members are each composed of one contact member and a spring member so that different expansion effects of the plastic material of the casing and the metal of each connection member are buffered during high temperature displacements that can occur during the operation of the automobile. Yes. At this time, the temperature stress generated by the spring member is compensated.
[0011]
As a result, peeling of the connecting member is avoided on the one hand in the embedded part in the casing and on the other hand at the connection point with the conductor track.
[0012]
There is an advantage that no gap is formed in the casing along the embedded portion of the connecting member, and moisture is prevented from entering the electrical device. As another advantage, the joint between the connecting member and the conductor track is kept free from stress. Therefore, the function is stable even under use conditions where an electrical device is difficult.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described in detail based on examples shown in the drawings.
[0014]
FIG. 1 shows an electrical device 11. This electrical device 11 can be used in an automobile as an electrical measurement detector, for example an angular pulse generator (Winkelimpulsgeber), a tachometer or the like.
[0015]
The device 11 has a casing 12 made of electrically insulated plastic, which is processed by an injection molding method. The casing 12 is a main body extending in the longitudinal direction, and supplementarily is a basic body having a rectangular parallelepiped region and a cylindrical region.
[0016]
The casing 12 has a plate-like overhanging portion 13 on one side and a sleeve-like connecting portion 14 at the other end of the casing 12, perpendicular to the longitudinal direction of the casing 12.
[0017]
A metal bush 16 is inserted into the overhanging portion 13, and this metal bush 16 functions to accommodate a fixing member (not shown) for fixing the position of the device 11 to the automobile unit.
[0018]
The connection portion 14 that functions to accommodate a connection insertion member (not shown) is set back with respect to the connection opening 17 on the end face side of the connection portion 14, and the exposed end of the connection member 19 of the device 11. A contact section 18 as a part is arranged. The contact section 18 can be brought into contact with the corresponding contact member of the connection plug-in member, and functions as, for example, a connection portion between the vehicle control device and the device 11.
[0019]
A storage chamber 21 is formed at the other end of the casing, that is, the end opposite to the connection portion 14. A printed wiring board 22 is inserted into the storage chamber 21.
[0020]
The printed wiring board 22 supports at least one electrical component 24 formed as a sensor on the front side 23. The storage chamber 21 is closed by a cup-shaped cap 25. The cap 25 is sealed and supported on the casing 12.
[0021]
In a general-purpose format (not shown), the electrical connection portion of the component member 24 is guided to the back side 26 of the printed wiring board 22 and is connected to the conductor path 27 of the printed wiring board 22 in a material-bonding manner. .
[0022]
Furthermore, these conductor paths 27 are electrically connected to the connection sections 28 at the connection points 30. These connecting sections 28 form the exposed end of the connecting member 19 which is located on the opposite side of the contact section 18.
[0023]
In the coupling section 29, the connecting member 19 is composed of a contact member 31 having the contact section 18 and a spring member 32 having the connection section 28. In the coupling section 29, the contact member 31 and the spring member 32 are welded to each other in the overlap region of both the members 31 and 32. The contact member 31 is made of a metal rail having a square cross section and is fixed in position by a support auxiliary member 33. The spring member 32 is composed of a metal rail having a circular cross section.
[0024]
Except for the contact section 18 and bight section 2 8, connecting member 19 is completely embedded in the casing 12 by a plastic injection molding process.
[0025]
In the event of a large temperature displacement that may occur during the operation of the motor vehicle, a different expansion between plastic and metal occurs between the plastic casing 12 and the metal connection member 19 embedded in the casing. A tensile load and a compressive load are generated based on the rate. The tensile load and the compressive load cause breakage of the connecting points 30 at the connecting point 30 between the connecting member 19 and the conductor path 27 particularly when the connecting member 19 is integrally formed.
[0026]
With the configuration of the connecting member 19 according to the present invention, the tensile load and the compressive load are reduced to a problem-free level. For this purpose, the spring member 32 of the connecting member 19 has an extensible loop member 34 (Dehnschlaufe). The extensible loop member 34 has a semicircular arc 36 that is curved in the radial direction and an extension 37 that extends in the radial direction, starting from a coupling section 29 extending in the axial direction. After this, the spring member 32 has shifted to the extension portion in the axial direction and the connection section 28 at the connection curved portion 38.
[0027]
The tensile and compressive loads generated during temperature displacements mainly through the axial course of the contact part 31 bent at a right angle are buffered by the arrangement of the spring member 32, in particular the arc 36, and in the radial direction. The extended extension 37 completely prevents transmission of the load to the connecting section 28 extending in the axial direction.
[0028]
Therefore, the connection section 28 is sufficiently disconnected from the tensile load and the compression load generated at the time of temperature displacement, and the load generated at the connection point 30 between the connection section 28 and the conductor path 27 and the connection member 19 in the casing 12 are buried. The load along the insert is reduced to a level where there is no problem.
[0029]
Therefore, the electrical device formed in a small size by the connecting member 19 directly embedded in the casing 12 maintains a stable function even under unfavorable operating conditions such as a load due to a large temperature displacement and intense splashing. .
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of an electrical device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 11 apparatus, 12 casing, 13 overhang | projection part, 14 connection part, 16 metal bush, 17 connection opening, 18 contact classification, 19 connection member, 21 accommodation chamber, 22 printed wiring board, 23 front side, 24 component member, 25 cap , 26 back side, 27 conductor path, 28 connection section, 29 joint section, 30 joint location, 31 contact member, 32 spring member, 33 support auxiliary member, 34 extensible loop member, 36 arc part, 37 extension part, 38 connection Curved part

Claims (3)

電気的な装置であって、電気的な絶縁材料から成る1つのケーシング(12)と互いに絶縁された電気的な複数の接続部材(19)とが設けられており、これらの接続部材(19)がそれぞれ一方の端部側に、対応接触部材と解除可能にコンタクト形成するための接触区分(18)を有していて、かつ他方の端部側にプリント配線板(22)に接続するための接続区分(28)を有しており、少なくとも1つのプリント配線板(22)が前記ケーシング(12)の収容室(21)に挿入されており、前記プリント配線板(22)が一方では接続区分(28)とは反対側の前面側(23)に少なくとも1つの電気的な構成部材(24)を有していて、他方では前記プリント配線板(22)の、接続区分(28)寄り側の背面側(26)に導体路(27)を有している形式のものにおいて、
電気的な装置(11)が特に自動車用の測定値検出器を形成しており、前記接続部材(19)が結合区分(29)では前記接触区分(18)を有する接触部材(31)と、前記接続区分(28)を有するばね部材(32)とで構成されており、前記接続部材(19)が、前記接触区分(18)と前記接続区分(28)とを除いてケーシング(12)内に埋め込まれており、前記ばね部材(32)に伸張性ループ部材(34)が形成されており、該伸張性ループ部材(34)がケーシング(12)の半径方向に湾曲した半円形の円弧部(36)と、前記半径方向に延在する延長部(37)とを有していることを特徴とする、電気的な装置。
An electrical device is provided with a casing (12) made of an electrically insulating material and a plurality of electrically connecting members (19) insulated from each other, and these connecting members (19). Each of which has a contact section (18) for forming a releasable contact with the corresponding contact member on one end side, and for connecting to the printed wiring board (22) on the other end side. It has a connection section (28), at least one printed wiring board (22) is inserted into the housing chamber (21) of the casing (12), and the printed wiring board (22) is on the one hand a connection section. At least one electrical component (24) on the front side (23) opposite to (28), and on the other side of the printed wiring board (22 ) closer to the connection section (28) Conductor track on back side (26) In of the type having a 27),
A contact member (31) in which the electrical device (11) forms a measured value detector, in particular for motor vehicles, the connecting member (19) having the contact section (18) in the coupling section (29); said connection section (28) is constructed out with the spring member (32) having the connecting member (19) is, the contact section (18) said connection section (28) and with the exception of the Ke pacing (12) A semicircular arc which is embedded in the spring member (32) and is formed with an extensible loop member (34) which is curved in the radial direction of the casing (12). An electrical device comprising a part (36) and an extension (37) extending in the radial direction .
前記接触部材(31)が直角に曲げられておりケーシング(12)の軸線方向に、前記装置(11)の長手方向に沿って延在している、請求項1記載の装置。The device according to claim 1, wherein the contact member (31) is bent at a right angle and extends in the axial direction of the casing (12) along the longitudinal direction of the device (11). 前記接触部材(31)と前記ばね部材(32)とが、前記軸線方向に延在する前記結合区分(29)において材料接続的な結合によって組み合わされて結合されている、請求項2記載の装置。The contact member (31) and said spring member (32), but the coupled in combination the coupling segment extending in the axial direction in (29) by a material connection coupling apparatus of claim 2, wherein .
JP2000175695A 1999-06-12 2000-06-12 Electrical equipment Expired - Fee Related JP4819213B2 (en)

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