JP2971643B2 - Brushless electric signal transmission device - Google Patents
Brushless electric signal transmission deviceInfo
- Publication number
- JP2971643B2 JP2971643B2 JP28152491A JP28152491A JP2971643B2 JP 2971643 B2 JP2971643 B2 JP 2971643B2 JP 28152491 A JP28152491 A JP 28152491A JP 28152491 A JP28152491 A JP 28152491A JP 2971643 B2 JP2971643 B2 JP 2971643B2
- Authority
- JP
- Japan
- Prior art keywords
- signal transmission
- electric signal
- rotor
- transmission device
- brushless electric
- 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 - Fee Related
Links
Classifications
-
- 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
- B60R16/027—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 between relatively movable parts of the vehicle, e.g. between steering wheel and column
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
- H01R35/02—Flexible line connectors without frictional contact members
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、たとえば自動車のス
テアリグ装置やエアバック回路などのごとき、限定され
た回転数内で往復回転する回転体（ロータ）と、固定体
（ハウジング）との間で電気信号を送受するブラシレス
電気信号伝達装置に関するものであり、さらに詳しくは
前記ロータとハウジングを連結するフレキシブル電路体
の屈曲耐久性がすぐれ、信頼性を向上したブラシレス電
気信号伝達装置に関するものである。BACKGROUND OF THE INVENTION The present invention relates to a rotating body (rotor) reciprocating within a limited number of rotations, such as a steering apparatus or an air bag circuit of an automobile, and a stationary body (housing). The present invention relates to a brushless electric signal transmission device for transmitting and receiving electric signals, and more particularly, to a brushless electric signal transmission device in which a flexible electric circuit body connecting the rotor and the housing has excellent bending durability and improved reliability.
【０００２】[0002]
【従来の技術】たとえば、自動車のステアリング装置な
どにおいては、限定された回転数内で往復回転するロー
タと、このロータを収容するハウジングと、一端が前記
ロータの外周に接続され、他端が前記ハウジングの内周
に接続され、電気信号を送受するフレキシブル電路体と
を備えたブラシレス電気信号伝達装置が使用されてい
る。2. Description of the Related Art For example, in a steering apparatus of an automobile, a rotor reciprocating within a limited number of rotations, a housing for accommodating the rotor, and one end connected to the outer periphery of the rotor and the other end being connected to the rotor. 2. Description of the Related Art A brushless electric signal transmission device including a flexible electric circuit which is connected to an inner periphery of a housing and transmits and receives an electric signal is used.
【０００３】すなわち、上記ブラシレス電気信号伝達装
置においては、たとえば自動車のステアリングに同期し
てロータが一方向に回転すると、フレキシブル電路体が
ハウジング内の内室から外室へ送りされ、またロータが
上記とは逆方向に回転すると、フレキシブル電路体が前
記外室から前記内室へ引き戻されるように構成されてい
るのである。[0003] That is, in the above-mentioned brushless electric signal transmission device, when the rotor rotates in one direction in synchronization with, for example, the steering of an automobile, the flexible electric circuit is sent from the inner chamber to the outer chamber in the housing, and the rotor is moved to the outer chamber. When rotated in the opposite direction, the flexible electric circuit is drawn back from the outer chamber to the inner chamber.
【０００４】上記ブラシレス電気信号伝達装置に使用さ
れるフレキシブル電路体１０は、図２に示したように、
適宜な厚みおよび幅に加工されたフラット導体１１と、
これらフラット導体１１を絶縁固定する絶縁被覆層１２
を、接着剤１３を介して接着してなり、このフレキシブ
ル電路体１０は通常リボン状のフラットなケーブルであ
って、複数のフラット導体１１を平行に内蔵し、その導
電パターンに応じて、それぞれに設けた各種電気装置に
接続される。[0004] A flexible electric circuit body 10 used in the above-mentioned brushless electric signal transmission device, as shown in FIG.
A flat conductor 11 processed to an appropriate thickness and width;
An insulating coating layer 12 for insulating and fixing these flat conductors 11
The flexible electric circuit body 10 is usually a ribbon-shaped flat cable, in which a plurality of flat conductors 11 are built in parallel, and each of the flexible electric circuit bodies 10 is provided in accordance with its conductive pattern. Connected to the various electrical devices provided.
【０００５】そして、従来のこの種の装置においては、
フラット導体１１をタフピッチ銅で、また絶縁被覆層１
２をポリエチレンテレフタレートなどの樹脂でそれぞれ
形成したフレキシブル電路体１０が、主として用いられ
ていた。[0005] In this type of conventional device,
The flat conductor 11 is made of tough pitch copper and the insulating coating layer 1
A flexible electric circuit body 10 formed of a resin 2 such as polyethylene terephthalate is mainly used.
【０００６】ところで、従来のブラシレス電気信号伝達
装置において、フレキシブル電路体１０は、ハウジング
の内室から外室への取出部でＵ字状に屈曲しているた
め、この屈曲部に係る繰返し応力が、他の部分に比較し
て高くなるという傾向があった。[0006] In the conventional brushless electric signal transmission device, the flexible electric circuit body 10 is bent in a U-shape at a portion where the housing is taken out from the inner chamber to the outer chamber. , Tend to be higher than other parts.
【０００７】しかるに、従来のフレキシブル電路体にお
いて、フラット導体として使用されるタフピッチ銅は、
導電率が約１００％ＩＡＣＳと良好であるが、それ自体
の引張り強さが約２５〜３２Kgf/mm2 、伸びが約１０％
前後程度であり、その抗張力および屈曲耐久性が劣って
いるため、このフレキシブル電路体にかかる前記繰返し
応力に対する耐久性が低く、前記屈曲が集中する部位で
フラット導体の破断を生じ、電気信号の不導通を招くと
いう問題があった。However, in a conventional flexible electric circuit, tough pitch copper used as a flat conductor is:
Good electrical conductivity of about 100% IACS, but has a tensile strength of about 25 to 32 kgf / mm 2 and an elongation of about 10%.
Since the tensile strength and bending durability are inferior, the durability against the repetitive stress applied to the flexible electric circuit body is low, and the flat conductor is broken at a portion where the bending is concentrated, resulting in an electric signal failure. There is a problem that conduction is caused.
【０００８】[0008]
【発明が解決しようとする課題】この発明は、上述した
従来のブラシレス電気信号伝達装置が有する問題点を解
決するために検討した結果、達成されたものである。SUMMARY OF THE INVENTION The present invention has been achieved as a result of study for solving the problems of the above-mentioned conventional brushless electric signal transmission device.
【０００９】したがって、この発明の目的は、ロータと
ハウジングを連結するフレキシブル電路体の屈曲耐久性
がすぐれ、信頼性を向上したブラシレス電気信号伝達装
置を提供することにある。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a brushless electric signal transmission device in which a flexible electric circuit connecting a rotor and a housing has excellent bending durability and improved reliability.
【００１０】[0010]
【課題を解決するための手段】上記の目的を達成するた
めに、この発明のブラシレス電気信号伝達装置は、相対
的に回転自在なロータと、このロータを空間を設けて収
容する固定側のハウジングと、このハウジング内に配置
され、前記ロータの回転方向と同方向に回転する中間プ
レートと、この中間プレートにより前記空間を仕切るこ
とにより形成された内室および外室と、前記ロータに一
端を接続し、前記内室から前記中間プレートに設けた取
出部を介し反転した状態で前記外室に導出され、前記ハ
ウジンクの内周に他端を接続したフレキシブル電路体と
を備えたブラシレス電気信号伝達装置において、前記フ
レキシブル電路体は、フラット導体と、このフラット導
体を絶縁固定する絶縁樹脂被覆層とからなり、前記フラ
ット導体をベリリウム銅により形成したことを特徴とす
る。In order to achieve the above object, a brushless electric signal transmission device according to the present invention comprises a relatively rotatable rotor and a fixed housing for accommodating the rotor with a space. And placed inside this housing
And an intermediate pump rotating in the same direction as the rotation direction of the rotor.
And the intermediate plate to separate the space.
And one end connected to the rotor, and an inner chamber provided on the intermediate plate from the inner chamber.
In a brushless electric signal transmission device including a flexible electric circuit body which is led out to the outer chamber in an inverted state via the output portion and has the other end connected to the inner periphery of the housing, the flexible electric circuit body includes a flat conductor, The flat conductor comprises an insulating resin coating layer for insulating and fixing the flat conductor, and the flat conductor is formed of beryllium copper.
【００１１】[0011]
【作用】この発明のブラシレス電気信号伝達装置は、フ
レキシブル電路体のフラット導体を、引張り強さおよび
伸度の高いベリリウム銅により形成したため、フレキシ
ブル電路体の屈曲耐久性がすぐれ、フレキシブル電路体
の破断に至るまでの屈曲回数が大幅に向上する。According to the brushless electric signal transmission device of the present invention, since the flat conductor of the flexible electric circuit is formed of beryllium copper having high tensile strength and elongation, the flexible electric circuit has excellent bending durability and breaks the flexible electric circuit. The number of bends up to is greatly improved.
【００１２】したがって、この発明のブラシレス電気信
号伝達装置によれば、フラット導体が破断して電気信号
の不導通を招くという不具合が軽減でき、装置自体の信
頼性をきわめて向上することができる。Therefore, according to the brushless electric signal transmission device of the present invention, it is possible to reduce the problem that the flat conductor is broken and the electric signal is disconnected, and the reliability of the device itself can be greatly improved.
【００１３】[0013]
【実施例】以下、図面を参照しつつ、この発明のブラシ
レス電気信号伝達装置の実施例について詳細に説明す
る。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of a brushless electric signal transmission device according to the present invention.
【００１４】図１はこの発明のブラシレス電気信号伝達
装置の一実施例を示す断面図である。FIG. 1 is a sectional view showing an embodiment of a brushless electric signal transmission device according to the present invention.
【００１５】図１に示した実施例において、２０は図示
しないハンドル軸に同期して回転する回転体としてのロ
ータ、３０は前記ロータ２０との間に所定の空間を設け
てこれを同心上に収容する固定体としてのハウジングで
あり、前記ロータ２０の外周にはフレキシブル電路体１
０の一端が接続され、またハウジング３０の内周壁には
フレキシブル電路体１０の他端が接続されている。In the embodiment shown in FIG. 1, reference numeral 20 denotes a rotor as a rotating body which rotates in synchronization with a handle shaft (not shown), and reference numeral 30 designates a predetermined space provided between the rotor and the rotor 20 so that the rotor is concentric. A housing as a fixed body to be accommodated, and a flexible electric circuit body 1
0 is connected to one end, and the other end of the flexible electric circuit body 10 is connected to the inner peripheral wall of the housing 30.
【００１６】さらに、ハウジング３０内には中間プレー
ト４０が配置されており、この中間プレート４０はその
外周壁によって、前記空間を内室４０ａと外室４０ｂと
に仕切っている。Further, an intermediate plate 40 is disposed in the housing 30, and the intermediate plate 40 partitions the space into an inner chamber 40a and an outer chamber 40b by an outer peripheral wall thereof.
【００１７】そして、中間プレート４０はギア比に応じ
た減速比で前記ロータ２０の回転方向と同方向に回転す
る。The intermediate plate 40 rotates in the same direction as the rotation direction of the rotor 20 at a reduction ratio according to the gear ratio.
【００１８】また、中間プレート４０内には複数のガイ
ドローラ４１が設けられると共に、その外周壁の一部に
は内室４０ａから外室４０ｂへの取出部４２が開口され
ており、フレキシブル電路体１０は前記取出部４２の近
傍において、任意の一つのガイドローラ４１ａの外周を
通って巻付状態から反転した状態で中間プレート４０の
外室４０ｂへ導出されている。A plurality of guide rollers 41 are provided in the intermediate plate 40, and a take-out portion 42 from the inner chamber 40a to the outer chamber 40b is opened in a part of the outer peripheral wall thereof. Numeral 10 is led out to the outer chamber 40b of the intermediate plate 40 in a state in which it is inverted from the wound state through the outer periphery of any one guide roller 41a in the vicinity of the take-out part 42.
【００１９】上記の構成からなるブラシレス電気信号伝
達装置が作動するに際しては、まずロータ２０に巻かれ
たフレキシブル電路体１０がロータ２０の巻き戻し方向
への回転によって緩められ、ガイドローラ４１ａにより
１８０°方向を転換し、内室４０ａから取出部４２を経
て外室４０ｂ側に移動する。When the brushless electric signal transmission device having the above configuration is operated, first, the flexible electric circuit body 10 wound around the rotor 20 is loosened by the rotation of the rotor 20 in the rewinding direction, and is rotated by 180 ° by the guide roller 41a. The direction is changed, and it moves from the inner chamber 40a to the outer chamber 40b through the take-out part 42.
【００２０】逆に、ロータ２０の巻き戻し方向への回転
によって、フレキシブル電路体１０は外室４０ｂから内
室４０ａ側へと移動する。Conversely, the flexible electric circuit body 10 moves from the outer chamber 40b to the inner chamber 40a by the rotation of the rotor 20 in the rewinding direction.
【００２１】しかるに、たとえばステアリングが中立位
置にあるとき、すなわちハンドルの操作回数が最も多い
直進位置にあるときには、フレキシブル電路体１０の同
一部分が前記取出部４２に常時位置し、この部分に位置
するフレキシブル電路体１０が、ガイドローラ４１ａの
円周に沿ったＵ字状となって、かつ屈曲回数の最も多い
屈曲部１４となり、この部分に屈曲応力が集中して、フ
レキシブル電路体１０の破断を生じる恐れが大きかっ
た。However, for example, when the steering wheel is in the neutral position, that is, when the steering wheel is in the straight-ahead position where the number of operations of the steering wheel is the largest, the same portion of the flexible electric circuit body 10 is always located at the take-out portion 42 and is located at this portion. The flexible electric circuit body 10 is formed in a U-shape along the circumference of the guide roller 41a, and becomes the bent portion 14 where the number of times of bending is the largest. The bending stress concentrates on this portion, and the flexible electric circuit body 10 is broken. The risk of occurrence was great.
【００２２】そこで、この発明では、フレキシブル電路
体１０を形成するフラット導体として、ベリリウム銅を
使用し、上記の問題点を解消したことを特徴とする。Therefore, the present invention is characterized in that beryllium copper is used as the flat conductor forming the flexible electric circuit body 10 to solve the above-mentioned problems.
【００２３】すなわち、本発明で使用するベリリウム銅
とは、ベリリウムを１．８〜２．０重量％含有する銅合
金、具体的にはベリリウム：１．８〜２．０重量％、ニ
ッケル／コバルト／鉄：最高０．６重量％および銅／ベ
リリウム／ニッケル／コバルト／鉄：最小９９．５重量
％を含有する、たとえばＣ１７２０−ＨＭミルハードン
材と称されるものであり、このベリリウム銅は、それ自
体の引張り強さが約９３〜１１３Kgf/mm2 、伸びが約６
％前後であり、その抗張力および屈曲耐久性が、上述し
たタフピッチ銅に比較してすぐれるため、これをフレキ
シブル電路体１０のフラット導体１１として適用した場
合には、フレキシブル電路体１０が大きな振幅で繰返し
屈曲しても、その破断に至るまでの屈曲回数を著しく高
めることが可能となるのである。That is, beryllium copper used in the present invention is a copper alloy containing beryllium of 1.8 to 2.0% by weight, specifically, beryllium: 1.8 to 2.0% by weight, nickel / cobalt. / Iron: up to 0.6% by weight and copper / beryllium / nickel / cobalt / iron: a minimum of 99.5% by weight, for example what is referred to as C1720-HM mill hardened material, this beryllium copper being The tensile strength of itself is about 93 to 113 kgf / mm 2 , and the elongation is about 6
%, And its tensile strength and bending durability are superior to the above-mentioned tough pitch copper. Therefore, when this is applied as the flat conductor 11 of the flexible electric circuit body 10, the flexible electric circuit body 10 has a large amplitude. Even if it is repeatedly bent, the number of times of bending until it breaks can be significantly increased.
【００２４】フレキシブル電路体１０の形状自体は、フ
ラット導体１１としてベリリウム銅を用いる以外は、上
述した図２と同様であり、フラット導体１１を平行して
複数本並べ、これを接着剤１３を介して絶縁被覆層１２
で被覆した態様である。なお、このフレキシブル電路体
１０の全長は通常６００〜８００mmの範囲にある。The shape of the flexible circuit body 10 is the same as that of FIG. 2 except that beryllium copper is used as the flat conductor 11. A plurality of the flat conductors 11 are arranged in parallel, and the Insulating coating layer 12
It is the aspect covered with. The total length of the flexible electric circuit body 10 is usually in the range of 600 to 800 mm.
【００２５】さらに、本発明においては、フレキシブル
電路体１０の略中央部に位置する最も屈曲回数が多い部
分（屈曲部）１４に位置するフラット導体１１の肉厚ｔ
´を、他のフラット導体１１の肉厚ｔと比較してｔ＞ｔ
´となるよう薄く形成することによって、フレキシブル
電路体１０の屈曲耐久性を一層高め、屈曲部１４が破断
に至るまでの屈曲回数を一層向上させることができる。
すなわち、屈曲部１４に位置するフラット導体１１を、
部分的にプレスする方法および両側または片側より切削
する方法などにより薄肉化すれば、この屈曲部１４にか
かる応力が低下するため、フラット導体１１の屈曲集中
部位における屈曲耐久性がさらに飛躍的に向上するので
ある。Further, in the present invention, the thickness t of the flat conductor 11 located at the most bent portion (bent portion) 14 located at the approximate center of the flexible electric circuit body 10.
′ Is compared with the thickness t of the other flat conductor 11 and t> t
By forming the flexible electric circuit body 10 so as to be thinner, the bending durability of the flexible electric circuit body 10 can be further increased, and the number of times of bending until the bent portion 14 breaks can be further improved.
That is, the flat conductor 11 located at the bent portion 14 is
If the thickness is reduced by a method of partially pressing or a method of cutting from both sides or one side, the stress applied to the bent portion 14 is reduced, and the bending durability at the bent concentrated portion of the flat conductor 11 is further improved dramatically. You do it.
【００２６】次に、試験例によりこの発明のブラシレス
電気信号伝達装置の構成および効果についてさらに説明
する。Next, the configuration and effects of the brushless electric signal transmission device of the present invention will be further described with reference to test examples.
【００２７】（試験例）図１において、ロータ２０の直
径を５４mm、ハウジング３０の直径を９１mmとし、フレ
キシブル電路体１０として、ベリリウム：１．８重量
％、ニッケル／コバルト：０．２重量％、ニッケル／コ
バルト／鉄：０．６重量％および銅／ベリリウム／ニッ
ケル／コバルト／鉄：９９．５重量％を含有するＣ１７
２０−ＨＭミルハードン材からなる、厚み０．１mmのフ
ラット導体１１を３本並列し、その表面をポリエチレン
テレフタレート絶縁被覆１２で被覆した長さ６００mmの
ものを用い、このフレキシブル電路体１０の一端を前記
ロータ２０に、また他端を前記ハウジング３０に接続す
ることにより、この発明のブラシレス電気信号伝達装置
を形成した。(Test Example) In FIG. 1, the diameter of the rotor 20 was set to 54 mm, the diameter of the housing 30 was set to 91 mm, and as the flexible electric circuit body 10, beryllium: 1.8% by weight, nickel / cobalt: 0.2% by weight, C17 containing 0.6% by weight of nickel / cobalt / iron and 99.5% by weight of copper / beryllium / nickel / cobalt / iron
Three flat conductors 11 made of 20-HM mill-hardened material and having a thickness of 0.1 mm are arranged in parallel, and the surface thereof is coated with a polyethylene terephthalate insulating coating 12 to have a length of 600 mm. The brushless electric signal transmission device of the present invention was formed by connecting the rotor 20 and the other end to the housing 30.
【００２８】なお、上記Ｃ１７２０−ＨＭミルハードン
材の導電率は２０％ＩＡＣＳ、引張り強さは９３Kgf/mm
2 、伸びは６％であった。The C1720-HM mill hardened material has a conductivity of 20% IACS and a tensile strength of 93 kgf / mm.
2. Elongation was 6%.
【００２９】上述の構成からなるこの発明のブラシレス
電気信号伝達装置について、フレキシブル電路体１０を
その基準位置から正方向へ１．５回転引き出し、逆方向
へ３回転させた後、さらに正方向へ１．５回転巻き戻す
動作を１サイクルとし、かつ回転速度を５０回転／分、
フレキシブル電路体１０の屈曲部における振幅応力を８
２Kgf/mm2 とした耐久試験を行い、その場合にフレキシ
ブル電路体１０の屈曲部が破断に至るまでの回数を測定
した結果、１００，０００サイクルとすぐれていた。In the brushless electric signal transmission device according to the present invention having the above-described configuration, the flexible electric circuit body 10 is pulled out 1.5 times in the forward direction from its reference position, rotated three times in the reverse direction, and then further moved in the forward direction. The operation of rewinding 5 rotations is one cycle, and the rotation speed is 50 rotations / minute,
The amplitude stress at the bent portion of the flexible circuit body 10 is set to 8
An endurance test was performed at 2 kgf / mm 2. In this case, the number of times until the bent portion of the flexible electric circuit body 10 was broken was measured, and as a result, the cycle was excellent at 100,000 cycles.
【００３０】一方、比較のために、フレキシブル電路体
１０のフラット導体１１として、上記Ｃ１７２０−ＨＭ
ミルハードン材の代わりに銅１００％のタフピッチ銅Ｃ
１１００を使用する以外は上記と同様にして、従来のブ
ラシレス電気信号伝達装置を形成した。On the other hand, for comparison, the flat conductor 11 of the flexible circuit
100% copper tough pitch copper C instead of mill hardened material
A conventional brushless electric signal transmission device was formed in the same manner as described above except that 1100 was used.
【００３１】なお、上記タフピッチ銅Ｃ１１００の導電
率は１００％ＩＡＣＳ、引張り強さは２５Kgf/mm2 、伸
びは１５％であった。The conductivity of the tough pitch copper C1100 was 100% IACS, the tensile strength was 25 kgf / mm 2 , and the elongation was 15%.
【００３２】この従来のブラシレス電気信号伝達装置に
ついて、上記と同様の条件で、フレキシブル電路体１０
の屈曲部が破断に至るまでの回数を測定した結果、１０
０サイクルと劣るものであった。With respect to this conventional brushless electric signal transmission device, the flexible electric circuit 10
As a result of measuring the number of times until the bent portion of the
It was inferior to 0 cycles.
【００３３】[0033]
【発明の効果】以上説明したように、この発明のブラシ
レス電気信号伝達装置は、フレキシブル電路体の屈曲耐
久性がすぐれ、フレキシブル電路体の破断に至るまでの
屈曲回数が大幅に向上する。As described above, in the brushless electric signal transmission device of the present invention, the bending durability of the flexible electric circuit is excellent, and the number of times of bending until the flexible electric circuit is broken is greatly improved.
【００３４】したがって、この発明のブラシレス電気信
号伝達装置によれば、フラット導体が破断して電気信号
の不導通を招くという不具合が軽減でき、すぐれた伝達
精度と耐久信頼性を期待することができる。Therefore, according to the brushless electric signal transmission device of the present invention, it is possible to reduce the problem that the flat conductor is broken and the electric signal is disconnected, and it is possible to expect excellent transmission accuracy and durability reliability. .
【図１】図１はこの発明のブラシレス電気信号伝達装置
の断面図である。FIG. 1 is a cross-sectional view of a brushless electric signal transmission device according to the present invention.
【図２】図２はフレキシブル電路体の斜視図である。FIG. 2 is a perspective view of a flexible electric circuit.
１０ フレキシブル電路体 １１ フラット導体 １２ 絶縁被覆層 １３ 接着剤 １４ 屈曲部 ２０ ロータ ３０ ハウジング ４０ 中間プレート ４０ａ 内室 ４０ｂ 外室 ４１ ガイドローラ ４２ 取出部 DESCRIPTION OF SYMBOLS 10 Flexible electric circuit body 11 Flat conductor 12 Insulating coating layer 13 Adhesive 14 Bending part 20 Rotor 30 Housing 40 Intermediate plate 40a Inner room 40b Outer room 41 Guide roller 42 Take-out part
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平３−21544（ＪＰ，Ａ) 特開 昭48−55364（ＪＰ，Ａ) 実開 昭63−133021（ＪＰ，Ｕ) ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-3-21544 (JP, A) JP-A-48-55364 (JP, A) JP-A-63-133021 (JP, U)
Claims (2)
ータを空間を設けて収容する固定側のハウジングと、こ
のハウジング内に配置され、前記ロータの回転方向と同
方向に回転する中間プレートと、この中間プレートによ
り前記空間を仕切ることにより形成された内室および外
室と、前記ロータに一端を接続し、前記内室から前記中
間プレートに設けた取出部を介し反転した状態で前記外
室に導出され、前記ハウジンクの内周に他端を接続した
フレキシブル電路体とを備えたブラシレス電気信号伝達
装置において、前記フレキシブル電路体は、フラット導
体と、このフラット導体を絶縁固定する絶縁樹脂被覆層
とからなり、前記フラット導体をベリリウム銅により形
成したことを特徴とするブラシレス電気信号伝達装置。[1 claim: a relatively rotatable rotor, a stationary side of the housing accommodating the rotor by providing a space, this
In the same direction as the rotation direction of the rotor.
The intermediate plate that rotates in the
The inner and outer chambers formed by partitioning the space
Connects the chamber, one end to said rotor, said in from the inner chamber
In the inverted state via the take-out part provided on the
It is derived in the chamber, in the brushless electric signal transmission apparatus comprising a flexible electrical path member connected to the other end to the inner periphery of the Haujinku, the flexible path body, the flat conductor and an insulating resin coating for insulating fixing the flat conductor A brushless electric signal transmission device comprising a layer and a flat conductor formed of beryllium copper.
〜２．０重量％含有する銅合金からなることを特徴する
請求項１に記載のブラシレス電気信号伝達装置。2. Beryllium copper has a beryllium content of 1.8.
The brushless electric signal transmission device according to claim 1, comprising a copper alloy containing up to 2.0% by weight.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28152491A JP2971643B2 (en) | 1991-10-28 | 1991-10-28 | Brushless electric signal transmission device |
| DE4236279A DE4236279C2 (en) | 1991-10-28 | 1992-10-27 | Transmission cable between a steering wheel and a stationary housing receiving this |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28152491A JP2971643B2 (en) | 1991-10-28 | 1991-10-28 | Brushless electric signal transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05122823A JPH05122823A (en) | 1993-05-18 |
| JP2971643B2 true JP2971643B2 (en) | 1999-11-08 |
Family
ID=17640379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28152491A Expired - Fee Related JP2971643B2 (en) | 1991-10-28 | 1991-10-28 | Brushless electric signal transmission device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2971643B2 (en) |
| DE (1) | DE4236279C2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5495996A (en) * | 1993-06-14 | 1996-03-05 | Sumitomo Electric Industries, Ltd. | Cable Reel |
| US6688898B2 (en) * | 1997-11-28 | 2004-02-10 | Furukawa Electric Co., Ltd. | Rotary connector |
| FR2779858B1 (en) * | 1998-06-15 | 2001-02-09 | Axon Cable Sa | TRANSMISSION DEVICE WITH ROTATING CONNECTOR |
| DE102004033024A1 (en) * | 2004-07-09 | 2006-02-02 | Nexans | Device for signal transmission between two terminals |
| ATE517454T1 (en) * | 2007-08-24 | 2011-08-15 | Nexans | DEVICE FOR SIGNAL OR POWER TRANSMISSION BETWEEN TERMINAL POINTS |
| CN111477388B (en) * | 2020-04-21 | 2021-09-14 | 陈连庆 | Composite flexible cable |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE628591C (en) * | 1934-01-16 | 1936-04-07 | Steatit Magnesia Akt Ges | Electric current transmission from a fixed to a movable rotating part |
| DE1615745A1 (en) * | 1967-05-16 | 1970-05-27 | Krupp Gmbh | Cable connection |
| JPS4855364A (en) * | 1971-11-12 | 1973-08-03 | ||
| US3763455A (en) * | 1971-12-17 | 1973-10-02 | Gen Motors Corp | Electrically coupled steering column |
| DE2747126A1 (en) * | 1977-10-20 | 1979-04-26 | Vahle Paul Kg | Connection between stationary terminal and rotatable part - has rotatable frame with reversing pulleys over which two sets of cables run |
| DE8522019U1 (en) * | 1985-07-31 | 1985-11-14 | Manfred Fladung GmbH, 8752 Mömbris | Device for stowing the connection cable of a central on-board power supply system |
| DE3537783A1 (en) * | 1985-10-24 | 1987-04-30 | Teldix Gmbh | Signal transmission device |
| JPS6450711A (en) * | 1987-08-21 | 1989-02-27 | Tokyo Electron Ltd | Guide structure of flat cable in rolling mechanism |
| DE3906308A1 (en) * | 1989-02-28 | 1990-09-20 | Gore W L & Ass Gmbh | Flat cable spiral |
| DE3935529A1 (en) * | 1989-10-25 | 1991-05-02 | Kabelmetal Electro Gmbh | DEVICE FOR TRANSMITTING ELECTRICITY BETWEEN TWO TERMINALS |
| DE4031235A1 (en) * | 1990-03-02 | 1991-09-12 | Thomas & Betts Corp | CONNECTING DEVICE |
-
1991
- 1991-10-28 JP JP28152491A patent/JP2971643B2/en not_active Expired - Fee Related
-
1992
- 1992-10-27 DE DE4236279A patent/DE4236279C2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE4236279A1 (en) | 1993-04-29 |
| DE4236279C2 (en) | 2003-06-18 |
| JPH05122823A (en) | 1993-05-18 |
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