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JP5100847B2 - Connection device and control center using the same - Google Patents

Connection device and control center using the same Download PDF

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Publication number
JP5100847B2
JP5100847B2 JP2010537618A JP2010537618A JP5100847B2 JP 5100847 B2 JP5100847 B2 JP 5100847B2 JP 2010537618 A JP2010537618 A JP 2010537618A JP 2010537618 A JP2010537618 A JP 2010537618A JP 5100847 B2 JP5100847 B2 JP 5100847B2
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contact
connection device
slit
conductor
pair
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JPWO2010055548A1 (en
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孝弘 山中
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/02—Details
    • H02B11/04—Isolating-contacts, e.g. mountings or shieldings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Patch Boards (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Multi-Conductor Connections (AREA)

Description

この発明は、例えば電力プラントに使用されるモ−タ等の起動制御やその保護を行うコントロ−ルセンタの機能ユニットに用いられる接続装置に関する。   The present invention relates to a connection device used in a functional unit of a control center that performs start-up control and protection of a motor used in a power plant, for example.

この種の接続装置は、板ばねをＵの字に折り曲げて形成した１対の脚部を有するクリップ状の接触子を絶縁ケ−スに収納したものであって、そのＵの字の折り曲げ部近傍である腹部に機能ユニット側の電線を溶接等で接続したうえで、前記１対の脚部の間にコントロ−ルセンタの母線であるブレ−ドを挿抜することで、前記機能ユニット側の電線と前記ブレ−ドとの電気的な接続や断路を実施していた（例えば、特許文献１）。   This type of connecting device is a device in which a clip-shaped contact having a pair of legs formed by bending a leaf spring into a U-shape is accommodated in an insulating case, and the U-shaped bent portion After connecting the functional unit side electric wire to the abdomen which is in the vicinity by welding or the like, by inserting and removing the blade which is the bus of the control center between the pair of legs, the electric wire on the functional unit side And electrical connection or disconnection between the blade and the blade (for example, Patent Document 1).

特開平６−２３３４２１号公報 （段落０００６、図８）JP-A-6-233421 (paragraph 0006, FIG. 8)

特許文献１に開示される従来の接続装置に用いらえる接触子は、板ばねをＵの字に折り曲げたものであるため、幅の広い構造体となる。このような接触子を絶縁ケ−スに収納した接続装置の幅は、ブレ−ドに流れる電流の方向に沿って幅広となる。一方、コントロ−ルセンタに収納される機能ユニットは、省スペ−ス化の要求から薄型化が求められ、これに伴って機能ユニットに用いられる接続装置も薄型化が求められる。しかし、板ばねの幅を狭くした接触子を用いて、接続装置の薄型化をしようとすると、接触子に流れる電流密度が高くなり、必要な通電容量の確保が困難になるという課題が生じる。   Since the contactor used in the conventional connecting device disclosed in Patent Document 1 is a leaf spring bent into a U-shape, it has a wide structure. The width of the connecting device in which such a contact is accommodated in the insulating case is wide along the direction of the current flowing through the blade. On the other hand, the functional unit housed in the control center is required to be thin due to the demand for space saving, and accordingly, the connecting device used for the functional unit is also required to be thin. However, when the contact device with a narrow leaf spring is used to reduce the thickness of the connecting device, the density of current flowing through the contact increases, and there arises a problem that it is difficult to ensure the necessary current carrying capacity.

この発明は上記のような課題を解決し、通電容量を減らすことなく、従来の接続装置より薄型の接続装置を得ることを目的とする。   SUMMARY OF THE INVENTION An object of the present invention is to solve the above-described problems and to obtain a connection device that is thinner than a conventional connection device without reducing the current carrying capacity.

この発明に係わる接続装置は、第１の導体に接続される接続部と第２の導体を把持する１対の脚部とが形成された接触子を絶縁ケ−スに収めた接続装置において、導電性の板ばねにスリットを入れることから、前記１対の脚部を形成した点を特徴とするものである。   A connection device according to the present invention is a connection device in which a contact formed with a connection portion connected to a first conductor and a pair of legs that hold the second conductor is housed in an insulating case. Since the slit is formed in the conductive leaf spring, the pair of legs are formed.

この発明によれば、板ばねにスリットを入れることから１対の脚部を有する接触子を形成し、この接触子を絶縁ケ−スに収めたので、接続装置の幅（ブレ−ドに流れる電流の方向に沿った幅）が板ばねの幅に依存しなくなり、薄型でかつ通電容量の大きな接続装置を得ることができる。   According to the present invention, since the slit is provided in the leaf spring, a contact having a pair of legs is formed, and the contact is accommodated in the insulating case, so that the width of the connecting device (flows to the blade). The width along the direction of current) does not depend on the width of the leaf spring, and a thin connection device having a large energization capacity can be obtained.

実施の形態１に用いられる接触子の構造図である。2 is a structural diagram of a contact used in Embodiment 1. FIG. 実施の形態１の接続装置の構成ならびにブレ−ドへの挿抜方向を示す上面図である。It is a top view which shows the structure of the connection apparatus of Embodiment 1, and the insertion / extraction direction to a braid | blade. 実施の形態１に用いられる接触子の上面図である。4 is a top view of a contact used in Embodiment 1. FIG. 実施の形態２に用いられる弾性部材の構成図である。5 is a configuration diagram of an elastic member used in Embodiment 2. FIG. 接触子に実施の形態２の弾性部材を取り付けたときの上面図である。It is a top view when the elastic member of Embodiment 2 is attached to the contact. 実施の形態３に用いられる接触子の上面図である。6 is a top view of a contact used in Embodiment 3. FIG. 実施の形態４に用いられる接触子の上面図である。6 is a top view of a contact used in Embodiment 4. FIG. 実施の形態５に用いられる接触子の上面図である。10 is a top view of a contact used in Embodiment 5. FIG. 実施の形態５に用いられる弾性部材の斜視図である。10 is a perspective view of an elastic member used in Embodiment 5. FIG. 弾性部材を実施の形態５の接触子に取り付けたときの上面図である。FIG. 11 is a top view when an elastic member is attached to the contact according to the fifth embodiment. 実施の形態５に用いられる接続装置の斜視図である。10 is a perspective view of a connection device used in Embodiment 5. FIG. 実施の形態５の接続装置にブレ−ド３０を把持したときの斜視図である。FIG. 10 is a perspective view when a blade 30 is gripped by a connection device according to a fifth embodiment. 実施の形態６に用いられる接触子の斜視図である。It is a perspective view of the contactor used for Embodiment 6. FIG. 実施の形態６に用いられる接続装置の斜視図である。FIG. 10 is a perspective view of a connection device used in a sixth embodiment. 実施の形態７に用いられる機能ユニットの外観図である。18 is an external view of a functional unit used in Embodiment 7. FIG. 実施の形態７に用いられるコントロ−ルセンタの外観図である。FIG. 20 is an external view of a control center used in a seventh embodiment.

符号の説明Explanation of symbols

１ 接続装置、
１０ 接触子、 １１ スリット、
１２ 脚部、 １３ａ 接触部、
１３ｂ ガイド部、 １４ 絶縁ケ−ス、
１５ 弾性部材、 １６ 楕円状の穴、
１７ 段差部、 １８ リベット、
２０ 接続部、
２２ 機能ユニット側の電線（第１の導体）、
３０ コントロ−ルセンタのブレ−ド（第２の導体）、
４０ 機能ユニット、 ５０ コントロ−ルセンタ1 connection device,
10 contacts, 11 slits,
12 legs, 13a contact part,
13b guide part, 14 insulation case,
15 elastic member, 16 oval hole,
17 steps, 18 rivets,
20 connections,
22 Electric wire (first conductor) on the functional unit side,
30 Blade of control center (second conductor),
40 functional units, 50 control centers

実施の形態１．
以下、図面に基づいて本発明の実施の形態１について詳細に説明する。図１は実施の形態１に用いられる接続装置の主たる構成部となる接触子の構造図であり、（ａ）に上面図、（ｂ）に側面図、（ｃ）に正面図を示す。図２はこの接触子を絶縁ケ−スに収納した接続装置の構成ならびにコントロ−ルセンタ−のブレ−ドへの挿抜方向を示す上面図である。図３は、図１の接触子に対して板ばねの幅のみを広くした接触子の上面図である。なお、図２および図３中の各部位において、図１と同一部分ないし相当部分には同一符号を付与している。Embodiment 1 FIG.
Hereinafter, Embodiment 1 of the present invention will be described in detail with reference to the drawings. 1A and 1B are structural views of a contactor that is a main component of the connection device used in Embodiment 1, wherein FIG. 1A is a top view, FIG. 1B is a side view, and FIG. 1C is a front view. FIG. 2 is a top view showing a configuration of a connecting device in which the contact is housed in an insulating case and a direction in which the control center is inserted into and removed from the blade. FIG. 3 is a top view of the contact in which only the width of the leaf spring is made wider than the contact in FIG. 2 and FIG. 3, the same reference numerals are given to the same or corresponding parts as in FIG.

図１に示すように本発明の実施の形態１に用いられる接触子１０は、りん青銅や鋼板等からなる導電性の板ばねにＹ型のスリット１１を入れることで１対の第１脚部１２ａと第２脚部１２ｂを形成し、それぞれの脚部の互いに対向する面にコントロ−ルセンタ−の母線（第２の導体）であるブレ−ドを把持するための接触部１３ａと、前記ブレ−ドを挿入しやすくするガイド部１３ｂを形成し、機能ユニット側の電線（第１の導体）と接続可能な接続部２０を取り付けたものである。   As shown in FIG. 1, the contact 10 used in the first embodiment of the present invention includes a pair of first legs by inserting a Y-shaped slit 11 in a conductive leaf spring made of phosphor bronze, a steel plate or the like. 12a and a second leg portion 12b, and a contact portion 13a for holding a blade which is a bus (second conductor) of a control center on the mutually opposing surfaces of the respective leg portions; A guide portion 13b that makes it easy to insert a cable is formed, and a connection portion 20 that can be connected to an electric wire (first conductor) on the functional unit side is attached.

接触子１０のＹ型のスリット１１や接触部１３ａ、ガイド部１３ｂ等の形成は、１枚の板ばね母材をプレス機等によって抜き加工したり、裁断機やレ−ザ加工機、ワイヤ加工機等で切り出し加工したりすることで容易に得られる。また、必要に応じて加工後に熱処理を施すことから、最適な弾性特性を板ばねに確保できるので、第１脚部１２ａと第２脚部１２ｂの間にブレ−ド３０を把持する弾性特性を有した接触子１０を得ることができる。   The Y-shaped slit 11, contact portion 13a, guide portion 13b, and the like of the contact 10 are formed by punching a single leaf spring base material with a press machine, a cutting machine, a laser processing machine, or wire processing. It can be easily obtained by cutting out with a machine or the like. In addition, since heat treatment is performed after processing as necessary, optimal elastic characteristics can be secured in the leaf spring, so that the elastic characteristics for gripping the blade 30 between the first leg portion 12a and the second leg portion 12b can be obtained. The possessed contact 10 can be obtained.

接触部１３ａの接触面の形状は、角棒状のブレ−ド３０と面接触させるため、そのブレ−ドの形状にあわせた形である平面状にしている。接続部２０は接続線を板ばねの接続箇所２１に溶接したものである。なお、上記接続部は、必ずしも接続線を用いる必要性はなく、後で詳細に説明するように板ばね母材から切り出すことも可能である。   The shape of the contact surface of the contact portion 13a is flat so as to be brought into surface contact with the square rod-shaped blade 30 in accordance with the shape of the blade. The connecting portion 20 is obtained by welding a connecting wire to a connecting portion 21 of a leaf spring. The connecting portion does not necessarily need to use a connecting line, and can be cut out from the leaf spring base material as will be described in detail later.

図２に示すように本発明の実施の形態１に用いられる接続装置１は、図１の接触子１０を絶縁ケ−ス１４に収めたものであって、接続線２０がその絶縁ケ−ス１４の外壁を貫通しており、機能ユニット側の電線と接続可能である。また絶縁ケ−ス１４には、接触子１０の脚部１２の間にブレ−ド３０を挿入する際、前記ブレ−ド３０と絶縁ケ−ス１４とが互いに干渉し合わないようにするための切り込み部１４ａが形成れている。   As shown in FIG. 2, the connection device 1 used in the first embodiment of the present invention is one in which the contact 10 of FIG. 1 is housed in an insulation case 14, and the connection wire 20 is the insulation case. It penetrates 14 outer walls and can be connected to an electric wire on the functional unit side. In order to prevent the blade 30 and the insulation case 14 from interfering with each other when the blade 30 is inserted between the legs 12 of the contact 10 in the insulation case 14. The notch part 14a is formed.

このように構成された本発明の実施の形態１の接続装置１は、図２中の矢印の方向に沿って移動させることから、接触子１０の一対の脚部１１ａ、１１ｂ間にコントロ−ルセンタ−のブレ−ド３０を挿抜でき、前記機能ユニット側の電線と前記ブレ−ドとの電気的な接続や断路を実施できる。   Since the connecting device 1 according to the first embodiment of the present invention configured as described above is moved along the direction of the arrow in FIG. 2, the control center is between the pair of legs 11 a and 11 b of the contact 10. -The blade 30 can be inserted and removed, and electrical connection and disconnection between the electric wire on the functional unit side and the blade can be performed.

図３は、図１の接触子に対して板ばねの幅のみを広くした接触子であり、このように板ばねの厚さを変えることなく、脚部１２ａ、１２ｂの幅を広くすることで、接触子に流れる電流密度を低く抑えることができる。言い換えると、この発明によれば、板ばねにスリットを設けることから１対の脚部を有する接触子を得ることができ、たとえ幅狭の接続装置（板ばねの薄い接触子を用いた）としても接触子１の脚部１２ａ、１２ｂの幅を広くすることで通電容量を増加できるため、薄型でかつ通電容量の大きな接続装置を得ることができるようになる。   FIG. 3 is a contact in which only the width of the leaf spring is made wider than that of the contact in FIG. 1, and thus the width of the legs 12a and 12b is increased without changing the thickness of the leaf spring. The current density flowing through the contact can be kept low. In other words, according to the present invention, since the leaf spring is provided with a slit, a contact having a pair of legs can be obtained, and as a narrow connection device (using a thin contact of the leaf spring) In addition, since the energization capacity can be increased by increasing the width of the leg portions 12a and 12b of the contact 1, it is possible to obtain a connection device that is thin and has a large energization capacity.

実施の形態２．
以下、図面に基づいて本発明の実施の形態２について詳細に説明する。図４は実施の形態２に用いられる接触子に取り付けられる弾性部材の構造図であり、（ａ）に上面図、（ｂ）に側面図、（ｃ）に正面図を示す。図５はこの弾性部材を図１の接触子に取り付けたときの上面図である。なお、図５中の各部位において、図１ないし図４と同一部分ないし相当部分には同一符号を付与し、その説明を省略している。Embodiment 2. FIG.
Hereinafter, a second embodiment of the present invention will be described in detail with reference to the drawings. FIG. 4 is a structural diagram of an elastic member attached to the contact used in the second embodiment, wherein (a) shows a top view, (b) shows a side view, and (c) shows a front view. FIG. 5 is a top view when the elastic member is attached to the contact shown in FIG. In addition, in each site | part in FIG. 5, the same code | symbol is provided to the same part thru | or a corresponding part as FIG. 1 thru | or FIG.

図４に示すように本発明の実施の形態２に用いられる弾性部材１５は、板ばねをＣの字に曲げて形成したものである。図５に示すように、この弾性部材１５は接触子１０の脚部１２上に嵌め込まれ、スリット１１の幅をより狭めるよう弾性力を与える。実施の形態２の接続装置１は、前記のような弾性部材を取り付けた接触子１０を絶縁ケ−ス１４に収めたものである。   As shown in FIG. 4, the elastic member 15 used in Embodiment 2 of the present invention is formed by bending a leaf spring into a C-shape. As shown in FIG. 5, the elastic member 15 is fitted on the leg portion 12 of the contact 10 and gives an elastic force so as to narrow the width of the slit 11. The connection device 1 according to the second embodiment is configured such that the contact 10 having the elastic member as described above is housed in an insulating case 14.

実施の形態２の接続装置１の脚部１２の間にブレ−ド３０を挿入すると、ブレ−ド３０は、脚部１２の間に作用する弾性力と弾性部材１５の弾性力が重なりあうため、強く把持される。これに伴ってブレ−ド３０と接続装置１の接触部１３ａとの接合面におけるミクロな接触面積が増加し、電気的な接触抵抗が下がるため、接続装置１としての信頼性が高くなるという格別の効果を有する。   When the blade 30 is inserted between the leg portions 12 of the connecting device 1 of the second embodiment, the blade 30 overlaps the elastic force acting between the leg portions 12 and the elastic force of the elastic member 15. Is gripped strongly. Along with this, the micro contact area at the joint surface between the blade 30 and the contact portion 13a of the connection device 1 is increased, and the electrical contact resistance is lowered, so that the reliability as the connection device 1 is increased. It has the effect of.

実施の形態３．
以下、図面に基づいて本発明の実施の形態３について詳細に説明する。図６は実施の形態３に用いられる接触子の上面図である。なお、図６中の各部位において、図１と同一部分ないし相当部分には同一符号を付与し、その説明を省略している。図６に示すように本発明の実施の形態３に用いられる接触子１０は、Ｙ字状のスリットの付け根部に楕円状の穴１６を設けて終端したものである。言い換えるとスリットの付け根部の構造を曲面で終端したものである。弾性性を作用するスリットの付け根部が曲面で終端されているため、ブレ−ド３０の挿入に伴って脚部１２から加わる力は、その曲面に沿って分散され、その結果、スリットの付け根部の弾性特性が安定する。従って、コントロ−ルセンタ−のブレ−ド３０の挿抜を再現性よく実施でき、またスリットの付け根部の疲労破壊や塑性変形も抑制できるという格別の効果が得られる。Embodiment 3 FIG.
Hereinafter, the third embodiment of the present invention will be described in detail with reference to the drawings. FIG. 6 is a top view of the contact used in the third embodiment. In addition, in each site | part in FIG. 6, the same code | symbol is provided to the same part thru | or a corresponding part as FIG. 1, and the description is abbreviate | omitted. As shown in FIG. 6, the contact 10 used in Embodiment 3 of the present invention is formed by providing an elliptical hole 16 at the base of a Y-shaped slit. In other words, the structure of the base of the slit is terminated with a curved surface. Since the base portion of the slit acting on elasticity is terminated with a curved surface, the force applied from the leg portion 12 along with the insertion of the blade 30 is dispersed along the curved surface, and as a result, the base portion of the slit. The elastic property of is stable. Therefore, it is possible to perform the insertion / extraction of the control center blade 30 with good reproducibility, and it is possible to obtain a special effect that fatigue fracture and plastic deformation at the base of the slit can be suppressed.

実施の形態４．
以下、図面に基づいて本発明の実施の形態４について詳細に説明する。図７は実施の形態４に用いられる接触子の上面図である。なお、図７中の各部位において、図１及び図２と同一部分ないし相当部分には同一符号を付与し、その説明を省略している。図７に示すように本発明の実施の形態４に用いられる接触子１０は、Ｉ字状のスリットを備え、その付け根部を曲面にしたものである。このような構造の接触子１０を用いた接続装置１であっても、実施の形態１ないし３の接続装置と同様に、１対の第１脚部１２ａと第２脚部１２ｂを形成することができるので、コントロ−ルセンタ−のブレ−ド３０の挿抜でき、また、穴１６ａの効果により、実施の形態３と同様に、スリットの付け根部の塑性変形も抑止できるという格別の効果を有する。Embodiment 4 FIG.
Hereinafter, the fourth embodiment of the present invention will be described in detail with reference to the drawings. FIG. 7 is a top view of a contact used in the fourth embodiment. In addition, in each site | part in FIG. 7, the same code | symbol is provided to the same part thru | or an equivalent part as FIG.1 and FIG.2, and the description is abbreviate | omitted. As shown in FIG. 7, the contact 10 used in Embodiment 4 of the present invention is provided with an I-shaped slit, and its base is curved. Even in the connection device 1 using the contact 10 having such a structure, a pair of first leg portions 12a and second leg portions 12b are formed in the same manner as in the connection devices of the first to third embodiments. Therefore, the control center blade 30 can be inserted and removed, and the effect of the hole 16a has the special effect that the plastic deformation at the base of the slit can be suppressed as in the third embodiment.

実施の形態５．
以下、図面に基づいて本発明の実施の形態５について詳細に説明する。図８は実施の形態５に用いられる接触子の上面図であり、図９はその接触子に取り付ける弾性部材の斜視図である。図１０は弾性部材を取り付けた接触子の上面図であり、図１１はこれらを絶縁ケ−スに収めた接続装置の斜視図である。図１２はブレ−ドを把持した接続装置の斜視図である。なお、図８ないし図１２中の各部位において、図１ないし図７と同一部分ないし相当部分には同一符号を付与し、その説明を省略している。Embodiment 5 FIG.
Hereinafter, the fifth embodiment of the present invention will be described in detail with reference to the drawings. FIG. 8 is a top view of a contact used in the fifth embodiment, and FIG. 9 is a perspective view of an elastic member attached to the contact. FIG. 10 is a top view of a contact to which an elastic member is attached, and FIG. 11 is a perspective view of a connection device in which these are housed in an insulating case. FIG. 12 is a perspective view of the connecting device holding the blade. 8 to 12, the same or corresponding parts as those in FIGS. 1 to 7 are denoted by the same reference numerals, and the description thereof is omitted.

本発明の実施の形態５に用いられる接触子１０は、銅板等の高い導電性を有するものであるが、ばね性に関しては弱い材料で形成されている。例えば図８に示すように、銅板にＹ型のスリット１１を入れることで形成した１対の第１脚部１２ａと第２脚部１２ｂを備え、それぞれの脚部１２の互いに対向する面にブレ−ド３０を把持する接触部１３ａと、ブレ−ドを挿入しやすくするガイド部１３ｂを形成し、また、接触部１３ａと反対側に機能ユニット側の電線と接続可能な接続部２０を形成したものである。   The contact 10 used in Embodiment 5 of the present invention has a high conductivity such as a copper plate, but is formed of a weak material with respect to the spring property. For example, as shown in FIG. 8, a pair of first leg 12a and second leg 12b formed by inserting a Y-shaped slit 11 in a copper plate is provided. -A contact portion 13a for gripping the blade 30 and a guide portion 13b for facilitating insertion of the blade are formed, and a connection portion 20 that can be connected to the electric wire on the functional unit side is formed on the opposite side of the contact portion 13a. Is.

上記Ｙ型のスリット１１は、第１スリット部１１ａ、第２スリット部１１ｂ、第３スリット部１１ｃ、第４スリット部１１ｄならびにブレ−ド３０を把持する接触部１３を壁面とする第５スリット部１１ｅからなる。第４スリット部１１ｄの隙間幅は第１スリット部１１ａより狭く切り込まれ、第５スリット部１１ｅにブレ−ド３０を挿入していないときは、隙間幅が無くなるよう、後述する本発明の実施の形態５の弾性部材１５によって締め付けられている。１対の脚部１２には、弾性部材１５を取り付けるための溝を有した一対の段差部１７が形成されている。なお、このような接触子１０の作成は、プレス機等を用いた抜き加工が多量生産する上で優れている。   The Y-shaped slit 11 includes a first slit portion 11a, a second slit portion 11b, a third slit portion 11c, a fourth slit portion 11d, and a fifth slit portion whose wall surface is the contact portion 13 that holds the blade 30. 11e. When the gap width of the fourth slit portion 11d is cut narrower than that of the first slit portion 11a and the blade 30 is not inserted into the fifth slit portion 11e, an embodiment of the present invention described later is performed so that the gap width is eliminated. It is clamped by the elastic member 15 of the form 5. A pair of stepped portions 17 having grooves for attaching the elastic members 15 are formed on the pair of leg portions 12. In addition, preparation of such a contactor 10 is excellent in mass production of punching using a press machine or the like.

図９に示すように本発明の実施の形態５に用いられる弾性部材１５は、りん青銅や鋼板等のばね材から形成された楕円状のリング部材を楕円形の長手方向の略中央部に位置する折り曲げ部１５ａで折り曲げることで、側面及び上面からみてＵ字状になるように形成されている。なお、上記折り曲げ部１５ａの短手方向の内径は、スリットの幅を狭める方向に作用する弾性力を得るため、脚部１２に形成された一対の段差部１7の間の距離よりもやや短くなっている。また、弾性部材１５の幅は、折り曲げ部１５から端にいくに従って幅広になっている。なお、弾性部材１５に用いるばね材は必ずしも導電性を有する必要性がないので、他の弾性を有するプラスチック材であってもよく、その場合の加工は金型成型が適している。   As shown in FIG. 9, the elastic member 15 used in the fifth embodiment of the present invention has an elliptical ring member formed of a spring material such as phosphor bronze or a steel plate at a substantially central portion in the longitudinal direction of the elliptical shape. It is formed to be U-shaped when viewed from the side surface and the top surface by being bent at the bending portion 15a. The inner diameter in the short direction of the bent portion 15a is slightly shorter than the distance between the pair of step portions 17 formed on the leg portion 12 in order to obtain an elastic force acting in the direction of narrowing the width of the slit. ing. Further, the width of the elastic member 15 becomes wider from the bent portion 15 toward the end. In addition, since the spring material used for the elastic member 15 does not necessarily need to have conductivity, it may be a plastic material having other elasticity, and the molding in that case is suitable.

図１０に示すように一対の弾性部材１５の曲げ部１５ａは接触子１０に形成された１対の段差部１７に当接するまでスライド挿入され、また、段差部１７の溝に嵌合し固定される。このとき、接触子１０の第４スリット部１１ｄは、弾性部材１５の弾性力によって隙間が無くなるまで押し狭められる。すなわち弾性部材１５の取り付けにより、例えばね性のほとんどない導電材料で構成された接触子１０であっても、取り付けた弾性部材１５の持つばね作用により、その第１脚部１２ａと第２脚部１２ｂの間にブレ−ド３０を強く把持することができるという効果を有している。また、塑性変形しやすい接触子１０の上下面をＵ字状の弾性部材１５が挟持するように取り付けられているので、特に接触子１０の脚部１２の変形が抑制され、塑性変形の発生し難い接触子１０を得ることができるという格別の効果を有する。   As shown in FIG. 10, the bending portions 15 a of the pair of elastic members 15 are slid and inserted until they contact a pair of stepped portions 17 formed on the contact 10, and are fitted into and fixed to the grooves of the stepped portions 17. The At this time, the fourth slit portion 11 d of the contact 10 is pushed and narrowed by the elastic force of the elastic member 15 until there is no gap. That is, even if the contact member 10 is made of a conductive material having almost no elasticity by attaching the elastic member 15, the first leg portion 12 a and the second leg portion are caused by the spring action of the attached elastic member 15. The blade 30 can be gripped strongly during 12b. Further, since the U-shaped elastic member 15 is sandwiched between the upper and lower surfaces of the contact 10 that is easily plastically deformed, the deformation of the leg portion 12 of the contact 10 is particularly suppressed, and plastic deformation occurs. It has the special effect that the difficult contactor 10 can be obtained.

図１１に示すように本発明の実施の形態５に用いられる接続装置１は、図１０の弾性部材１５を取り付けた接触子１０を、絶縁ケ−ス１４に収め、その接続部２０を前記絶縁ケ−ス１４の外に出したものである。この接続部２０は、図１２に示すよう、圧着部品２１をかしめて機能ユニット側の電線２２（第１の導体）と一体に接続している。   As shown in FIG. 11, the connecting device 1 used in the fifth embodiment of the present invention includes a contact 10 having the elastic member 15 shown in FIG. 10 attached in an insulating case 14, and the connecting portion 20 is insulated. It is taken out of the case 14. As shown in FIG. 12, the connecting portion 20 caulks the crimping component 21 and is integrally connected to the electric wire 22 (first conductor) on the functional unit side.

このように構成された本発明の実施の形態５の接続装置１は、図中の矢印の方向において、その接触子１０の一対の脚部１２ａ、１２ｂ間（第５スリット部１１ｅ）にコントロ−ルセンタ−のブレ−ド３０を挿抜することができる。なお、ブレ−ド３０が脚部１２ａ、１２ｂ間に挿入されると、隙間のなかった第４スリット部１１ｄに隙間が発生し、弾性部材１５も広げられる。広げられた弾性部材１５の弾性力は増し、脚部１２に設けられた接続部１３にブレ−ド３０を強く把持するので、電気的な接続も確実なものになる。従って、実施の形態５に用いられる接続装置１は、前記機能ユニット側の電線と前記コントロ−ルセンタ−の母線である楕円棒状のブレ−ド３０との電気的な接続や断路を確実に実施できるものである。なお、接触抵抗を減らすため、本発明の実施の形態５に用いられる接触子１０の接触部１３ａの面形状は、楕円棒状のブレ−ド３０の表面に対して面接触できるように曲面になっている。言い換えると、ブレ−ド３０の形状に合わせた接触面形状を接触子１０の接触部１３ａに形成している。   The connection device 1 according to the fifth embodiment of the present invention configured as described above is controlled between the pair of leg portions 12a and 12b (the fifth slit portion 11e) of the contact 10 in the direction of the arrow in the figure. The lucent blade 30 can be inserted and removed. When the blade 30 is inserted between the leg portions 12a and 12b, a gap is generated in the fourth slit portion 11d having no gap, and the elastic member 15 is also expanded. The elastic force of the expanded elastic member 15 is increased, and the blade 30 is firmly held by the connecting portion 13 provided on the leg portion 12, so that the electrical connection is also ensured. Therefore, the connection device 1 used in the fifth embodiment can reliably perform electrical connection and disconnection between the electric wire on the functional unit side and the elliptical rod-shaped blade 30 that is the bus bar of the control center. Is. In addition, in order to reduce contact resistance, the surface shape of the contact part 13a of the contactor 10 used in Embodiment 5 of the present invention is a curved surface so as to be in surface contact with the surface of the elliptical rod-shaped blade 30. ing. In other words, a contact surface shape matching the shape of the blade 30 is formed on the contact portion 13 a of the contact 10.

なお、本発明の実施の形態５に用いられる接触子１０は、ばね性の弱い導電材料である銅板を用いたが、ばね性の強い他のいかなる導電性の材料を用いても本発明の実施の形態５に用いられる接触子１０と同様の作用効果が得られることは明らかである。   The contactor 10 used in the fifth embodiment of the present invention uses a copper plate which is a conductive material having a weak spring property. However, any other conductive material having a strong spring property may be used to implement the present invention. Obviously, the same effect as the contact 10 used in the fifth embodiment can be obtained.

実施の形態６．
実施の形態１ないし５の接続装置では、絶縁ケ−スに収納する接触子を１枚としていたが、接触子の数を複数とすることも可能である。この場合、複数の接触子を収納できる絶縁ケ−スを用いればよい。例えば２枚の接触子を収納する絶縁ケ−スの場合、ケ−ス内が２段に区分され、その区分されたそれぞれの段に接触子を収めたものにすればよい。以下、図面に基づいて本発明の実施の形態６について詳細に説明する。Embodiment 6 FIG.
In the connection devices of the first to fifth embodiments, one contact is accommodated in the insulating case, but the number of contacts may be plural. In this case, an insulating case that can accommodate a plurality of contacts may be used. For example, in the case of an insulating case that accommodates two contacts, the inside of the case may be divided into two stages, and the contacts may be accommodated in each of the divided stages. Hereinafter, the sixth embodiment of the present invention will be described in detail with reference to the drawings.

図１３は実施の形態６に用いられる接触子の斜視図であり、図１４はそれを用いた接続装置の斜視図である。なお、図１３ならびに図１４中の各部位において、図１ないし図１２と同一部分ないし相当部分には同一符号を付与し、その説明を省略している。   FIG. 13 is a perspective view of a contact used in Embodiment 6, and FIG. 14 is a perspective view of a connection device using the contact. In addition, in each part in FIG. 13 and FIG. 14, the same code | symbol is provided to the same part thru | or a corresponding part as FIG. 1 thru | or 12, and the description is abbreviate | omitted.

図１３に示すように本発明の実施の形態６に用いられる接触子は、実施の形態５に用いられる弾性部材１５を取り付けた接触子（図１０参照）に貫通する接続用の図示しないリベット穴を設けた２枚の接触子１０ａ、１０ｂと、この２枚の接触子の間に図示しないリベット穴を設けた図示しないＵ字型の導体スペ−サ１０ｃを挟んで、上記各リベット穴にリベット１８を挿入して接続したものである。このとき、上記２枚の接触子１０ａ、１０ｂはリベット１８を回転軸として回転可能であり、各接触子１０ａ、１０ｂの第５スリット部１１ｅをともにブレ−ド３０に対向させることができるようになっている。なお、上記導体スペ−サ１０ｃは、接触子１０ａ、１０ｂに用いられる弾性部材１５の互いの接触を防ぐためのものであって、その厚さは弾性部材１５の厚さの２倍より厚くなっている。   As shown in FIG. 13, the contact used in the sixth embodiment of the present invention is a rivet hole (not shown) for connection penetrating through the contact (see FIG. 10) to which the elastic member 15 used in the fifth embodiment is attached. A pair of contactors 10a and 10b provided with a U-shaped conductor spacer 10c (not shown) provided with a rivet hole (not shown) between the two contacts. 18 is inserted and connected. At this time, the two contacts 10a and 10b can be rotated about the rivet 18 as a rotation axis so that the fifth slit portions 11e of the contacts 10a and 10b can both face the blade 30. It has become. The conductor spacer 10c is for preventing the elastic members 15 used in the contacts 10a and 10b from contacting each other, and the thickness thereof is larger than twice the thickness of the elastic member 15. ing.

図１４に示すように本発明の実施の形態６に用いられる接続装置１は、前記実施の形態６に用いられる弾性部材を取り付けた２枚の接触子１０ａ、１０ｂを１つの絶縁ケ−ス１４に収めたものである。これにより実施の形態６によれば、１つの接続装置１に２枚の接触子１０ａ、１０ｂを設けているので、１枚の時よりも通電容量が大きくなる。また、接続にリベット１８を用いたので、各接触子１０ａ、１０ｂの第５スリット部１１ｅをともに回転させてブレ−ド３０に対向させることができ、その結果、容易にブレ−ド３０を第５スリット部１１ｅに挿入できるという格別の効果を有する。言い換えると、接続装置１の組立時に、２枚の接触子１０ａ、１０ｂに形成された各第５スリット部１１ｅの向きを互いに正確にあわせなくても、リベット穴にリベット１８を通すことで容易にブレ−ド３０を第５スリット部１１ｅに挿入できる接続装置１が得られるという格別の効果を有する。   As shown in FIG. 14, the connection device 1 used in the sixth embodiment of the present invention includes two contactors 10a and 10b to which the elastic member used in the sixth embodiment is attached. It is what was contained in. Thus, according to the sixth embodiment, since the two contactors 10a and 10b are provided in one connection device 1, the energization capacity becomes larger than that in the case of one. Further, since the rivet 18 is used for the connection, the fifth slit portions 11e of the respective contacts 10a and 10b can be rotated together so as to face the blade 30. As a result, the blade 30 can be easily moved to the first position. It has a special effect that it can be inserted into the 5-slit part 11e. In other words, when the connecting device 1 is assembled, the rivets 18 can be easily passed through the rivet holes without having to align the directions of the fifth slit portions 11e formed on the two contacts 10a and 10b with each other. It has the special effect that the connecting device 1 that can insert the blade 30 into the fifth slit portion 11e is obtained.

なお、実施の形態６では、２枚の接触子１０を１本のリベット１８で止めたが、リベット１８の軸部の径よりリベット穴の径を大きくすることで、複数のリベットで止めても、各々の接触子１０を揺動させることができるため、容易にブレ−ド３０を第５スリット部１１ｅに挿入できる。また、接触子１０を２枚としたが、３枚以上の接触子１０を用いても同様の接続装置を得ることができることは明らかである。   In the sixth embodiment, the two contactors 10 are fixed by one rivet 18, but the diameter of the rivet hole is made larger than the diameter of the shaft portion of the rivet 18, so that it can be stopped by a plurality of rivets. Since each contact 10 can be swung, the blade 30 can be easily inserted into the fifth slit portion 11e. Further, although the number of the contacts 10 is two, it is obvious that a similar connection device can be obtained even when three or more contacts 10 are used.

実施の形態７．
以下、図面に基づいて本発明の実施の形態７について詳細に説明する。図１５は本発明の実施の形態７に係る機能ユニットの外観図、図１６は本発明の実施の形態７に用いられるコントロ−ルセンタの外観図である。Embodiment 7 FIG.
Hereinafter, the seventh embodiment of the present invention will be described in detail with reference to the drawings. FIG. 15 is an external view of a functional unit according to Embodiment 7 of the present invention, and FIG. 16 is an external view of a control center used in Embodiment 7 of the present invention.

図１５（ａ）の斜視図に示すように本発明の実施の形態６に用いられる機能ユニット４０は電動機回路の開閉制御やその保護を行うために、前面に配線用遮断器操作ハンドル４１、状態表示や電動機制御等を行う操作表示装置４２等を配設したものである。内部に図示しない配線用遮断器、電磁接触器などの主回路機器、図示しない電流センサや継電器などの制御回路機器が収容されている。図１５（ｂ）の底面図に示すように機能ユニット４０の背面には、機能ユニット４０と外部の三相交流を制御する図示しないコントロ−ルセンタ５０の３つのブレ−ド３０とを接続する接続装置１が３台配設されている。この接続装置１に実施の形態１ないし実施の形態６において説明した接続装置１を用いる。   As shown in the perspective view of FIG. 15 (a), the functional unit 40 used in the sixth embodiment of the present invention has a circuit breaker operation handle 41 for wiring on the front side to control opening and closing of the motor circuit and its protection. An operation display device 42 for performing display, motor control, and the like is provided. A main circuit device such as a circuit breaker (not shown) and an electromagnetic contactor (not shown) and a control circuit device (not shown) such as a current sensor and a relay are accommodated inside. As shown in the bottom view of FIG. 15B, on the back surface of the functional unit 40, a connection for connecting the functional unit 40 and three blades 30 of a control center 50 (not shown) that controls the external three-phase alternating current is connected. Three devices 1 are arranged. As the connection device 1, the connection device 1 described in the first to sixth embodiments is used.

図１６に示すように複数の機能ユニット４０は、内部を多段に仕切ったコントロ−ルセンタ５０の段毎に取り付けられ、金属製の箱体５２に設けられた前面扉５１の開閉により、引出し可能に収納されている。   As shown in FIG. 16, the plurality of functional units 40 are attached to each level of the control center 50 that is divided into multiple stages, and can be pulled out by opening and closing the front door 51 provided on the metal box 52. It is stored.

本発明の実施の形態６によれば、機能ユニット４０に薄型でかつ通電容量の大きな接続装置１を用いたので、機能ユニット４０も薄型でき、その結果、多数の機能ユニット４０を収納した省スペ−スなコントロ−ルセンタを得ることができるという効果が得られる。   According to the sixth embodiment of the present invention, since the connection unit 1 that is thin and has a large energization capacity is used for the functional unit 40, the functional unit 40 can also be thinned. -The effect that a smooth control center can be obtained is obtained.

Claims (12)

第１の導体に接続される接続部と第２の導体を把持する１対の脚部とが形成された接触子を絶縁ケ−スに収めた接続装置において、導電性の板ばねにスリットを入れることにより、前記１対の脚部を形成し、
前記スリットの幅を狭める弾性部材を前記接触子に取り付けたことを特徴とする接続装置。In a connection device in which a contact formed with a connection portion connected to a first conductor and a pair of leg portions for holding a second conductor is housed in an insulating case, a slit is formed in a conductive leaf spring. Forming the pair of legs ,
A connection device , wherein an elastic member that narrows the width of the slit is attached to the contact . 第１の導体に接続される接続部と第２の導体を把持する１対の脚部とが形成された接触子を絶縁ケ−スに収めた接続装置において、導電性の平板にスリットを入れることにより、前記１対の脚部を形成し、
前記スリットの幅を狭める弾性部材を前記接触子に取り付けたことを特徴とする接続装置。 In a connection device in which a contact formed with a connection portion connected to a first conductor and a pair of legs for holding a second conductor is housed in an insulating case, a slit is formed in a conductive flat plate. Thereby forming the pair of legs,
Connection device being characterized in that mounting an elastic member for narrowing the width of the slit in the contactor. 第１の導体に接続される接続部と第２の導体を把持する１対の脚部とが形成された接触子を絶縁ケ−スに収めた接続装置において、導電性の板ばねにスリットを入れることにより、前記１対の脚部を形成し、
前記スリットの形状がＹ型形状であることを特徴とする接続装置。In a connection device in which a contact formed with a connection portion connected to a first conductor and a pair of leg portions for holding a second conductor is housed in an insulating case, a slit is formed in a conductive leaf spring. Forming the pair of legs,
The connection device, wherein the slit has a Y-shape . スリットの付け根部を曲面にしたことを特徴とする請求項１ないし請求項３のいずれか１項に記載の接続装置。Connection device according to any one of claims 1 to 3, characterized in that the base of the slit surface. スリットの付け根部を楕円状の穴で終端したことを特徴とする請求項１ないし請求項３のいずれか１項に記載の接続装置。Connection device according to any one of claims 1 to 3, characterized in that terminates the root portion of the slit elliptic hole. 第２の導体と面接触する形状の接触部を、１対の脚部それぞれの対向する面に形成したことを特徴とする請求項１ないし請求項３のいずれか１項に記載の接続装置。 The contact portion shaped to contact the second conductor and the surface, the connection device according to any one of claims 1 to 3, characterized in that formed on the opposing surfaces legs of each pair. 第２の導体を接触部に誘導するガイド部を脚部に形成したことを特徴とする請求項６に記載の接続装置。The connecting device according to claim 6 , wherein a guide portion that guides the second conductor to the contact portion is formed on the leg portion . 溝を有した段差部を脚部に形成したことを特徴とする請求項７に記載の接続装置。The connecting device according to claim 7, wherein a stepped portion having a groove is formed in the leg portion. 楕円状のリング部材を長手方向略中央部でＵ字状に曲げられたように曲がり、側面及び平面からみてＵ字状に曲げられたように形成されている弾性部材を接触子に取り付けたことを特徴とする請求項１または請求項２に記載の接続装置。 The elliptical ring member is bent so as to be bent in a U-shape at a substantially central portion in the longitudinal direction, and an elastic member formed so as to be bent in a U-shape when viewed from the side and the plane is attached to the contact. The connection device according to claim 1 , wherein: 複数の接触子を１つの絶縁ケ−スに収めたことを特徴とする請求項１ないし請求項３のいずれか１項に記載の接続装置。The connection device according to any one of claims 1 to 3, wherein a plurality of contacts are housed in a single insulating case . リベットで接続され、前記リベットを回転軸とする複数の接触子を１つの絶縁ケ−スに収めたことを特徴とする請求項１ないし請求項３のいずれか１項に記載の接続装置。 Are connected by rivets, a plurality of contacts to the rotational axis of the rivet one insulating Ke - connecting device according to any one of claims 1 to 3, characterized in that matches the scan. 請求項１ないし１１のいずれか１項に記載の接続装置を備えた機能ユニットからA functional unit comprising the connection device according to any one of claims 1 to 11.
構成されたことを特徴とするコントロ−ルセンタ。A control center characterized by being constructed.
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