JP6883465B2 - Housing connection structure - Google Patents

Housing connection structure Download PDF

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JP6883465B2
JP6883465B2 JP2017090961A JP2017090961A JP6883465B2 JP 6883465 B2 JP6883465 B2 JP 6883465B2 JP 2017090961 A JP2017090961 A JP 2017090961A JP 2017090961 A JP2017090961 A JP 2017090961A JP 6883465 B2 JP6883465 B2 JP 6883465B2
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housing member
bus bar
relay terminal
bent portion
relay
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JP2018190807A (en
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光司 西村
光司 西村
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Yazaki Energy System Corp
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Yazaki Energy System Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Description

本発明は、筐体接続構造に関する。詳細には、電気部品が収容された第１筐体部材と第２筐体部材とを電気的に接続する接続部を有する筐体接続構造に関する。 The present invention relates to a housing connection structure. More specifically, the present invention relates to a housing connection structure having a connecting portion for electrically connecting a first housing member and a second housing member in which electrical components are housed.

従来、筐体接続構造としては、第１筐体部材としての外部機器と、この外部機器に隣接して配置された第２筐体部材としての電気接続箱と、外部機器と電気接続箱との間に設けられ外部機器と電気接続箱とを電気的に接続する接続部とを備えたものが知られている（例えば、特許文献１参照）。 Conventionally, as a housing connection structure, an external device as a first housing member, an electrical connection box as a second housing member arranged adjacent to the external device, and an external device and an electrical connection box are used. It is known that a connection portion provided between them and electrically connecting an external device and an electric connection box is provided (see, for example, Patent Document 1).

この筐体接続構造では、接続部が、外部機器に電気的に接続された第１バスバとしての外部接続端子と、電気接続箱に電気的に接続された第２バスバとしての接続端子と、外部接続端子と接続端子とを電気的に接続する中継端子としての雌−雌端子とを有している。 In this housing connection structure, the connection portion has an external connection terminal as a first bus bar electrically connected to an external device, a connection terminal as a second bus bar electrically connected to an electrical junction box, and an external connection portion. It has a female-female terminal as a relay terminal that electrically connects the connection terminal and the connection terminal.

このような筐体接続構造では、外部接続端子が外部機器から露出され、接続端子が電気接続箱に収容された雌−雌端子に挿入されており、電気接続箱に外部機器を組付けることによって、外部接続端子が雌−雌端子に挿入され、雌−雌端子を介して外部機器と電気接続箱とが電気的に接続される。 In such a housing connection structure, the external connection terminal is exposed from the external device, the connection terminal is inserted into the female-female terminal housed in the electric connection box, and the external device is assembled to the electric connection box. , The external connection terminal is inserted into the female-female terminal, and the external device and the electrical junction box are electrically connected via the female-female terminal.

特開２００６−２９６１７１号公報Japanese Unexamined Patent Publication No. 2006-296171

しかしながら、上記特許文献１のような筐体接続構造では、中継端子が第２筐体部材に収容され、第２筐体部材に第１バスバを中継端子に対して位置決めするための構造が設けられているので、第２筐体部材に対する中継端子の組付精度を高くする必要があり、構造が複雑化していた。 However, in the housing connection structure as in Patent Document 1, the relay terminal is housed in the second housing member, and the second housing member is provided with a structure for positioning the first bus bar with respect to the relay terminal. Therefore, it is necessary to increase the accuracy of assembling the relay terminal to the second housing member, and the structure is complicated.

一方、第１バスバと第２バスバとを第１筐体部材と第２筐体部材から突出させ、第１バスバと第２バスバとに第２筐体部材側と第１筐体部材側とに向けて屈曲する第１屈曲部と第２屈曲部とを設け、第１屈曲部と第２屈曲部とを中継端子に挿入して中継端子を介して第１筐体部材と第２筐体部材とを電気的に接続することが考えられる。 On the other hand, the first bus bar and the second bus bar are projected from the first housing member and the second housing member, and the first bus bar and the second bus bar are on the second housing member side and the first housing member side. A first bent portion and a second bent portion are provided, and the first bent portion and the second bent portion are inserted into the relay terminal, and the first housing member and the second housing member are inserted via the relay terminal. It is conceivable to electrically connect with.

このような構造では、第１筐体部材、或いは第２筐体部材とに対して中継端子の組付精度を高くする必要がなく、簡易な構造で中継端子を介して第１筐体部材と第２筐体部材とを電気的に接続することができる。 In such a structure, it is not necessary to increase the accuracy of assembling the relay terminal to the first housing member or the second housing member, and the relay terminal can be connected to the first housing member via the relay terminal with a simple structure. It can be electrically connected to the second housing member.

しかしながら、このような構造では、第１屈曲部と第２屈曲部とが１つの中継端子に挿入されるので、第１屈曲部と第２屈曲部とを長く設定する必要があり、第１屈曲部と第２屈曲部との屈曲角度にズレが生じると、中継端子に対する位置ズレも大きくなり、第１屈曲部と第２屈曲部とを中継端子に挿入することが困難となり、組付性が低下する恐れがあった。 However, in such a structure, since the first bent portion and the second bent portion are inserted into one relay terminal, it is necessary to set the first bent portion and the second bent portion to be long, and the first bending portion needs to be set long. If the bending angle between the portion and the second bent portion is deviated, the positional deviation with respect to the relay terminal also becomes large, and it becomes difficult to insert the first bent portion and the second bent portion into the relay terminal, resulting in poor assembly. There was a risk of decline.

そこで、この発明は、組付性を向上することができる筐体接続構造の提供を目的としている。 Therefore, an object of the present invention is to provide a housing connection structure capable of improving assembling property.

請求項１記載の発明は、電気部品が収容された第１筐体部材と、この第１筐体部材に隣接して配置され電気部品が収容された第２筐体部材と、前記第１筐体部材と前記第２筐体部材との間に設けられ前記第１筐体部材と前記第２筐体部材とを電気的に接続する接続部とを備えた筐体接続構造であって、前記接続部は、前記第１筐体部材に電気的に接続され前記第２筐体部材側に向けて屈曲された第１屈曲部を有する第１バスバと、前記第２筐体部材に電気的に接続され前記第１筐体部材側に向けて屈曲された第２屈曲部を有する第２バスバと、前記第１バスバと前記第２バスバとを電気的に接続する中継バスバとを有し、前記第１バスバと前記第２バスバとは、前記中継バスバが挿入される第１中継端子と第２中継端子とに前記第１屈曲部と前記第２屈曲部とを挿入することにより前記中継バスバを介して電気的に接続されることを特徴とする。 The invention according to claim 1 comprises a first housing member containing electrical components, a second housing member arranged adjacent to the first housing member and containing electrical components, and the first housing member. The housing connection structure is provided between the body member and the second housing member and includes a connecting portion for electrically connecting the first housing member and the second housing member. The connecting portion is electrically connected to the first housing member and has a first bus bar having a first bent portion that is bent toward the second housing member side and electrically to the second housing member. It has a second bus bar having a second bent portion that is connected and bent toward the first housing member side, and a relay bus bar that electrically connects the first bus bar and the second bus bar. The first bus bar and the second bus bar are formed by inserting the first bent portion and the second bent portion into the first relay terminal and the second relay terminal into which the relay bus bar is inserted. It is characterized by being electrically connected via.

この筐体接続構造では、第１屈曲部と第２屈曲部とが、中継バスバが挿入される第１中継端子と第２中継端子とに挿入されるので、第１屈曲部と第２屈曲部とを１つの中継端子に挿入する必要がなく、第１屈曲部と第２屈曲部とを短く設定することができる。 In this housing connection structure, the first bent portion and the second bent portion are inserted into the first relay terminal and the second relay terminal into which the relay bus bar is inserted, so that the first bent portion and the second bent portion are inserted. It is not necessary to insert and into one relay terminal, and the first bent portion and the second bent portion can be set short.

このため、第１屈曲部と第２屈曲部とを短く設定することができるので、第１屈曲部と第２屈曲部の屈曲角度にズレが生じたり、第１屈曲部と第２屈曲部に反りが生じていたとしても、第１中継端子と第２中継端子とに対する第１屈曲部と第２屈曲部との先端の位置ズレを小さくすることができる。 Therefore, since the first bent portion and the second bent portion can be set short, the bending angles of the first bent portion and the second bent portion may be deviated, or the first bent portion and the second bent portion may be set short. Even if the warp occurs, the positional deviation of the tips of the first bent portion and the second bent portion with respect to the first relay terminal and the second relay terminal can be reduced.

従って、このような筐体接続構造では、第１屈曲部と第２屈曲部とを第１中継端子と第２中継端子とに僅かな位置ズレを吸収するようにそれぞれ挿入し易くすることができ、組付性を向上することができる。 Therefore, in such a housing connection structure, the first bent portion and the second bent portion can be easily inserted into the first relay terminal and the second relay terminal so as to absorb a slight positional deviation. , The assembling property can be improved.

請求項２記載の発明は、請求項１記載の筐体接続構造であって、前記第１中継端子は、前記第１筐体部材の内部に保持され、前記第２中継端子は、前記第２筐体部材の内部に保持され、前記中継バスバは、前記第１筐体部材と前記第２筐体部材との内部で前記第１中継端子と前記第２中継端子とに挿入されていることを特徴とする。 The invention according to claim 2 is the housing connection structure according to claim 1, wherein the first relay terminal is held inside the first housing member, and the second relay terminal is the second relay terminal. It is held inside the housing member, and the relay bus bar is inserted into the first relay terminal and the second relay terminal inside the first housing member and the second housing member. It is a feature.

この筐体接続構造では、第１中継端子が、第１筐体部材の内部に保持され、第２中継端子が、第２筐体部材の内部に保持されているので、第１筐体部材と第２筐体部材の内部で、短く設定することができる第１屈曲部と第２屈曲部とを第１中継端子と第２中継端子とに容易に挿入することができる。 In this housing connection structure, since the first relay terminal is held inside the first housing member and the second relay terminal is held inside the second housing member, the first relay terminal and the first housing member Inside the second housing member, the first bent portion and the second bent portion, which can be set short, can be easily inserted into the first relay terminal and the second relay terminal.

また、中継バスバは、第１筐体部材と第２筐体部材との内部で第１中継端子と第２中継端子とに挿入されているので、接続部が外部に露出することがなく、接続部を保護することができる。 Further, since the relay bus bar is inserted into the first relay terminal and the second relay terminal inside the first housing member and the second housing member, the connection portion is not exposed to the outside and is connected. The part can be protected.

本発明によれば、組付性を向上することができる筐体接続構造を提供することができるという効果を奏する。 According to the present invention, there is an effect that it is possible to provide a housing connection structure capable of improving assembling property.

本発明の第１実施形態に係る電池パックの斜視図である。It is a perspective view of the battery pack which concerns on 1st Embodiment of this invention. 本発明の第１実施形態に係る電池パックの分解斜視図である。It is an exploded perspective view of the battery pack which concerns on 1st Embodiment of this invention. 本発明の第１実施形態に係る電池パックの接続部の分解斜視図である。It is an exploded perspective view of the connection part of the battery pack which concerns on 1st Embodiment of this invention. 本発明の第１実施形態に係る電池パックの一部を断面としたときの側面図である。It is a side view when a part of the battery pack which concerns on 1st Embodiment of this invention is a cross section. 本発明の第２実施形態に係る電池パックの斜視図である。It is a perspective view of the battery pack which concerns on 2nd Embodiment of this invention. 本発明の第２実施形態に係る電池パックの断面図である。It is sectional drawing of the battery pack which concerns on 2nd Embodiment of this invention.

図１〜図６を用いて本発明の実施の形態に係る筐体接続構造が適用された電池パックについて説明する。 A battery pack to which the housing connection structure according to the embodiment of the present invention is applied will be described with reference to FIGS. 1 to 6.

（第１実施形態）
図１〜図４を用いて第１実施形態について説明する。 (First Embodiment)
The first embodiment will be described with reference to FIGS. 1 to 4.

本実施の形態に係る電池パック１は、電気部品としての電池（不図示）が収容された第１筐体部材３と、この第１筐体部材３に隣接して配置され電気部品としての電池（不図示）が収容された第２筐体部材５と、第１筐体部材３と第２筐体部材５との間に設けられ第１筐体部材３と第２筐体部材５とを電気的に接続する接続部７とを備えている。 The battery pack 1 according to the present embodiment includes a first housing member 3 in which a battery (not shown) as an electric component is housed, and a battery as an electric component arranged adjacent to the first housing member 3. A second housing member 5 (not shown) and a first housing member 3 and a second housing member 5 provided between the first housing member 3 and the second housing member 5 are provided. It is provided with a connecting portion 7 for electrically connecting.

また、接続部７は、第１筐体部材３に電気的に接続され第２筐体部材５側に向けて屈曲された第１屈曲部１１を有する第１バスバ１３と、第２筐体部材５に電気的に接続され第１筐体部材３側に向けて屈曲された第２屈曲部１７を有する第２バスバ１９と、第１バスバ１３と第２バスバ１９とを電気的に接続する中継バスバ２１とを有する。 Further, the connecting portion 7 is a first bus bar 13 having a first bent portion 11 electrically connected to the first housing member 3 and bent toward the second housing member 5, and a second housing member. A relay that electrically connects the first bus bar 13 and the second bus bar 19 with the second bus bar 19 having a second bent portion 17 electrically connected to the fifth and bent toward the first housing member 3 side. It has a bus bar 21 and.

そして、第１バスバ１３と第２バスバ１９とは、中継バスバ２１が挿入される第１中継端子２３と第２中継端子２５とに第１屈曲部１１と第２屈曲部１７とを挿入することにより中継バスバ２１を介して電気的に接続される。 Then, the first bus bar 13 and the second bus bar 19 insert the first bent portion 11 and the second bent portion 17 into the first relay terminal 23 and the second relay terminal 25 into which the relay bus bar 21 is inserted. Is electrically connected via the relay bus bar 21.

図１〜図４に示すように、電池パック１は、それぞれ複数の電池（不図示）を収容し複数の電池を電気的に接続する回路が形成された第１筐体部材３と第２筐体部材５とを、高さ方向に２段重ねた状態で配置される。 As shown in FIGS. 1 to 4, the battery pack 1 has a first housing member 3 and a second housing in which a circuit for accommodating a plurality of batteries (not shown) and electrically connecting the plurality of batteries is formed. The body member 5 and the body member 5 are arranged in a state of being stacked in two stages in the height direction.

この重ねられた第１筐体部材３と第２筐体部材５とは、接続部７を介して電気的に接続され、電力を供給する装置（不図示）などに設けられたケーシング（不図示）に収容される。 The stacked first housing member 3 and second housing member 5 are electrically connected via a connecting portion 7, and a casing (not shown) provided in a device (not shown) for supplying electric power or the like. ).

第１筐体部材３と第２筐体部材５とに収容された電池は、例えば、充放電可能な二次電池からなり、直方体状に形成された本体内に電極エレメント（不図示）が収容され、この電極エレメントに電気的に接続された正負両極の接続子（不図示）がそれぞれ本体の同一面上に配置されている。 The battery housed in the first housing member 3 and the second housing member 5 is, for example, a rechargeable secondary battery, and an electrode element (not shown) is housed in a rectangular parallelepiped main body. The positive and negative electrode connectors (not shown) electrically connected to the electrode element are arranged on the same surface of the main body.

この電池は、第１筐体部材３と第２筐体部材５とに複数が収容された状態で、複数の電池が接続子に接続される複数のバスバ（不図示）を介して電気的に接続されている。 A plurality of these batteries are housed in the first housing member 3 and the second housing member 5, and the plurality of batteries are electrically connected via a plurality of bus bars (not shown) connected to the connector. It is connected.

第１筐体部材３は、例えば、合成樹脂などの絶縁性材料からなる２つの分割部材で構成され、複数の電池を内部に収容するように２つの分割部材を組付けることにより、直方体状に形成されている。 The first housing member 3 is composed of, for example, two divided members made of an insulating material such as synthetic resin, and is formed into a rectangular parallelepiped shape by assembling the two divided members so as to accommodate a plurality of batteries inside. It is formed.

この第１筐体部材３には、複数の電池を電気的に接続する複数のバスバの他に、例えば、電池の状況やバスバの温度などを検出するセンサに接続された電線（不図示）と、この電線に接続され第１筐体部材３の状況を検出する外部コネクタ（不図示）が接続されるコネクタ（不図示）と、電池パック１と電力が供給される装置とを電気的に接続する外部接続部（不図示）などが設けられている。 The first housing member 3 includes, in addition to a plurality of bus bars that electrically connect a plurality of batteries, for example, an electric wire (not shown) connected to a sensor that detects the state of the batteries, the temperature of the bus bars, and the like. , An external connector (not shown) that is connected to this electric wire and detects the status of the first housing member 3 is connected (not shown), and the battery pack 1 and a device to which power is supplied are electrically connected. An external connection unit (not shown) is provided.

このような第１筐体部材３は、第２筐体部材５の上方に第１筐体部材３と第２筐体部材５との間に設けられた互いに係合可能な凹凸形状の複数の嵌合部２７を介して第２筐体部材５の上方に組付けられる。 Such a first housing member 3 is provided above the second housing member 5 between the first housing member 3 and the second housing member 5, and has a plurality of concave-convex shapes that can be engaged with each other. It is assembled above the second housing member 5 via the fitting portion 27.

第２筐体部材５は、第１筐体部材３と同様に、例えば、合成樹脂などの絶縁性材料からなる２つの分割部材で構成され、複数の電池を内部に収容するように２つの分割部材を組付けることにより、直方体状に形成されている。 Like the first housing member 3, the second housing member 5 is composed of two divided members made of, for example, an insulating material such as a synthetic resin, and is divided into two so as to accommodate a plurality of batteries inside. By assembling the members, it is formed in a rectangular parallelepiped shape.

この第２筐体部材５は、第１筐体部材３と同様な構成であり、説明を省略するが、第１筐体部材３に外部接続部が設けられているので、第２筐体部材５には、外部接続部が設けられていない。 The second housing member 5 has the same configuration as the first housing member 3, and although description thereof will be omitted, since the first housing member 3 is provided with an external connection portion, the second housing member 5 is provided. No. 5 is not provided with an external connection portion.

このような第１筐体部材３と第２筐体部材５とは、接続部７を介して電気的に接続される。 Such a first housing member 3 and a second housing member 5 are electrically connected via a connecting portion 7.

接続部７は、第１筐体部材３に電気的に接続された第１バスバ１３と、第２筐体部材５に電気的に接続された第２バスバ１９と、第１バスバ１３と第２バスバ１９とを電気的に接続する中継バスバ２１とを備えている。 The connecting portion 7 includes a first bus bar 13 electrically connected to the first housing member 3, a second bus bar 19 electrically connected to the second housing member 5, and a first bus bar 13 and a second. It is provided with a relay bus bar 21 that electrically connects to the bus bar 19.

第１バスバ１３は、第１筐体部材３に収容された複数の電池に電気的に接続され第１筐体部材３の側面から突設される第１連結部９と、この第１連結部９の端部を第２筐体部材５側に向けて屈曲することにより第２筐体部材５側に向けて延設された第１屈曲部１１とを有する。 The first bus bar 13 has a first connecting portion 9 electrically connected to a plurality of batteries housed in the first housing member 3 and projecting from the side surface of the first housing member 3, and the first connecting portion. It has a first bent portion 11 extending toward the second housing member 5 side by bending the end portion of 9 toward the second housing member 5 side.

この第１バスバ１３は、第１屈曲部１１の長さが第１連結部９の長さより短く設定されている。 In the first bus bar 13, the length of the first bent portion 11 is set to be shorter than the length of the first connecting portion 9.

このため、第１屈曲部１１の先端は、第１連結部９からの屈曲角度（ここではほぼ直角）にズレが生じても、第１屈曲部１１が第１連結部９より長く設定された場合に比較して、位置ズレを小さく抑えることができる。加えて、第１屈曲部１１の剛性を高めて、反りなどの変形を抑制することができる。 Therefore, the tip of the first bent portion 11 is set longer than the first connecting portion 9 even if the bending angle (here, substantially a right angle) from the first connecting portion 9 is deviated. Compared with the case, the positional deviation can be suppressed to be small. In addition, the rigidity of the first bent portion 11 can be increased to suppress deformation such as warpage.

第２バスバ１９は、第２筐体部材５に収容された複数の電池に電気的に接続され第２筐体部材５の側面から突設される第２連結部１５と、この第２連結部１５の端部を第１筐体部材３側に向けて屈曲することにより第１筐体部材３側に向けて延設された第２屈曲部１７とを有する。 The second bus bar 19 has a second connecting portion 15 electrically connected to a plurality of batteries housed in the second housing member 5 and projecting from the side surface of the second housing member 5, and the second connecting portion. It has a second bent portion 17 that is extended toward the first housing member 3 side by bending the end portion of the 15 toward the first housing member 3 side.

この第２バスバ１９は、第１バスバ１３と同様に、第２屈曲部１７の長さが第２連結部１５の長さより短く設定されており、第２屈曲部１７の先端の位置ズレが小さくなるようにされている。加えて、第２屈曲部１７の剛性を高めて、反りなどの変形を抑制することができる。 Similar to the first bus bar 13, the length of the second bent portion 17 of the second bus bar 19 is set to be shorter than the length of the second connecting portion 15, and the positional deviation of the tip of the second bent portion 17 is small. It is designed to be. In addition, the rigidity of the second bent portion 17 can be increased to suppress deformation such as warpage.

中継バスバ２１は、直線状に形成され、両端がそれぞれ第１中継端子２３と、第２中継端子２５とに挿入される。 The relay bus bar 21 is formed in a straight line, and both ends are inserted into the first relay terminal 23 and the second relay terminal 25, respectively.

第１中継端子２３と第２中継端子２５とは、一側から第１屈曲部１１と第２屈曲部１７とを挿入可能で、他側から中継バスバ２１を挿入可能な雌雌端子からなる。 The first relay terminal 23 and the second relay terminal 25 are female and female terminals into which the first bent portion 11 and the second bent portion 17 can be inserted from one side and the relay bus bar 21 can be inserted from the other side.

このような中継バスバ２１と第１中継端子２３と第２中継端子２５とは、例えば、第１筐体部材３と第２筐体部材５とを組付ける前の状態で、第１中継端子２３に第１屈曲部１１と中継バスバ２１の一端が挿入される。 Such a relay bus bar 21, the first relay terminal 23, and the second relay terminal 25 are, for example, in a state before the first housing member 3 and the second housing member 5 are assembled, and the first relay terminal 23 One end of the first bent portion 11 and the relay bus bar 21 is inserted into the first bent portion 11.

一方、第２中継端子２５は、第１筐体部材３と第２筐体部材５とを組付ける前の状態で、第２屈曲部１７のみが挿入された状態となっている。 On the other hand, the second relay terminal 25 is in a state in which only the second bent portion 17 is inserted before assembling the first housing member 3 and the second housing member 5.

この状態では、第１中継端子２３を介して第１バスバ１３と中継バスバ２１とが電気的に接続された状態となる。 In this state, the first bus bar 13 and the relay bus bar 21 are electrically connected via the first relay terminal 23.

この状態から第１筐体部材３と第２筐体部材５とを組付けることにより、第２中継端子２５に中継バスバ２１の他端が挿入される。 By assembling the first housing member 3 and the second housing member 5 from this state, the other end of the relay bus bar 21 is inserted into the second relay terminal 25.

このため、中継バスバ２１の両端が第１中継端子２３と第２中継端子２５とを介して第１バスバ１３と第２バスバ１９とに電気的に接続された状態となり、第１筐体部材３と第２筐体部材５とを組付けた状態では、接続部７を介して第１筐体部材３と第２筐体部材５とが電気的に接続された状態となる。 Therefore, both ends of the relay bus bar 21 are electrically connected to the first bus bar 13 and the second bus bar 19 via the first relay terminal 23 and the second relay terminal 25, and the first housing member 3 In the state where the second housing member 5 and the second housing member 5 are assembled, the first housing member 3 and the second housing member 5 are electrically connected via the connecting portion 7.

このような第１筐体部材３と第２筐体部材５との組付けにおいて、第１バスバ１３の第１屈曲部１１は、中継バスバ２１の一端が挿入される第１中継端子２３に挿入され、第２バスバ１９の第２屈曲部１７は、中継バスバ２１の他端が挿入される第２中継端子２５に挿入される。 In such an assembly of the first housing member 3 and the second housing member 5, the first bent portion 11 of the first bus bar 13 is inserted into the first relay terminal 23 into which one end of the relay bus bar 21 is inserted. The second bent portion 17 of the second bus bar 19 is inserted into the second relay terminal 25 into which the other end of the relay bus bar 21 is inserted.

このため、第１屈曲部１１と第２屈曲部１７とが１つの中継端子に挿入されることがなく、第１屈曲部１１と第２屈曲部１７とに位置ズレが生じていても、第１中継端子２３に対する第１屈曲部１１の挿入と、第２中継端子２５に対する第２屈曲部１７の挿入とを別々に行うことで、位置ズレを容易に補正することができる。 Therefore, even if the first bent portion 11 and the second bent portion 17 are not inserted into one relay terminal and the first bent portion 11 and the second bent portion 17 are displaced from each other, the first bent portion 11 and the second bent portion 17 are not inserted into one relay terminal. By separately inserting the first bent portion 11 into the 1 relay terminal 23 and the second bent portion 17 into the second relay terminal 25, the positional deviation can be easily corrected.

加えて、第１屈曲部１１と第２屈曲部１７との位置ズレは、第１連結部９と第２連結部１５より短く設定することによって小さく抑えられているので、第１中継端子２３に対する第１屈曲部１１の挿入と、第２中継端子２５に対する第２屈曲部１７の挿入とを別々に行うことで、その位置ズレを容易に吸収することができる。 In addition, the positional deviation between the first bent portion 11 and the second bent portion 17 is suppressed to be smaller than that of the first connecting portion 9 and the second connecting portion 15, so that the displacement with respect to the first relay terminal 23 is suppressed. By separately inserting the first bent portion 11 and the second bent portion 17 into the second relay terminal 25, the positional deviation can be easily absorbed.

このような電池パック１では、第１屈曲部１１と第２屈曲部１７とが、中継バスバ２１が挿入される第１中継端子２３と第２中継端子２５とに挿入されるので、第１屈曲部１１と第２屈曲部１７とを１つの中継端子に挿入する必要がなく、第１屈曲部１１と第２屈曲部１７とを短く設定することができる。 In such a battery pack 1, the first bent portion 11 and the second bent portion 17 are inserted into the first relay terminal 23 and the second relay terminal 25 into which the relay bus bar 21 is inserted, so that the first bending portion 11 is bent. It is not necessary to insert the portion 11 and the second bent portion 17 into one relay terminal, and the first bent portion 11 and the second bent portion 17 can be set short.

このため、第１屈曲部１１と第２屈曲部１７とを短く設定することができるので、第１屈曲部１１と第２屈曲部１７の屈曲角度にズレが生じたり、第１屈曲部１１と第２屈曲部１７に反りが生じていたとしても、第１中継端子２３と第２中継端子２５とに対する第１屈曲部１１と第２屈曲部１７との先端の位置ズレを小さくすることができる。 Therefore, since the first bent portion 11 and the second bent portion 17 can be set short, the bending angles of the first bent portion 11 and the second bent portion 17 may be misaligned with the first bent portion 11. Even if the second bent portion 17 is warped, the positional deviation between the tips of the first bent portion 11 and the second bent portion 17 with respect to the first relay terminal 23 and the second relay terminal 25 can be reduced. ..

従って、このような電池パック１では、第１屈曲部１１と第２屈曲部１７とを第１中継端子２３と第２中継端子２５とに僅かな位置ズレを吸収するようにそれぞれ挿入し易くすることができ、組付性を向上することができる。 Therefore, in such a battery pack 1, the first bent portion 11 and the second bent portion 17 are easily inserted into the first relay terminal 23 and the second relay terminal 25 so as to absorb a slight positional deviation. It is possible to improve the assembling property.

（第２実施形態）
図５，図６を用いて第２実施形態について説明する。 (Second Embodiment)
The second embodiment will be described with reference to FIGS. 5 and 6.

本実施の形態に係る電池パック１０１は、第１中継端子２３が、第１筐体部材３の内部に保持され、第２中継端子２５が、第２筐体部材５の内部に保持され、中継バスバ２１が、第１筐体部材３と第２筐体部材５との内部で第１中継端子２３と第２中継端子２５とに挿入されている。 In the battery pack 101 according to the present embodiment, the first relay terminal 23 is held inside the first housing member 3, and the second relay terminal 25 is held inside the second housing member 5 to relay. The bus battery 21 is inserted into the first relay terminal 23 and the second relay terminal 25 inside the first housing member 3 and the second housing member 5.

なお、第１実施形態と同様の構成には、同一の記号を記して構成及び機能説明は第１実施形態を参照するものとし省略するが、第１実施形態と同一の構成であるので、得られる効果は同一である。 In addition, in the same configuration as the first embodiment, the same symbol is described and the configuration and the function description will be omitted with reference to the first embodiment, but since it is the same configuration as the first embodiment, it is obtained. The effects are the same.

図５，図６に示すように、第１中継端子２３は、第１筐体部材３の内部に撓み可能に形成された第１係止片１０３を介して第１筐体部材３の内部に設けられた第１保持部１０５に保持されている。 As shown in FIGS. 5 and 6, the first relay terminal 23 is inside the first housing member 3 via a first locking piece 103 that is flexibly formed inside the first housing member 3. It is held by the first holding portion 105 provided.

この第１保持部１０５には、第１筐体部材３の内部に第１連結部９を介して電気的に接続された第１バスバ１３の第１屈曲部１１の先端側が収容されている。 The first holding portion 105 accommodates the tip end side of the first bent portion 11 of the first bus bar 13 electrically connected to the inside of the first housing member 3 via the first connecting portion 9.

このような第１保持部１０５に対して第１中継端子２３を収容することにより、第１バスバ１３の第１屈曲部１１が第１中継端子２３に挿入され、第１バスバ１３と第１中継端子２３とが電気的に接続される。 By accommodating the first relay terminal 23 in such a first holding portion 105, the first bent portion 11 of the first bus bar 13 is inserted into the first relay terminal 23, and the first bus bar 13 and the first relay are relayed. The terminal 23 is electrically connected.

このとき、第１バスバ１３の第１屈曲部１１は、短く設定されているので、第１屈曲部１１の屈曲角度のズレや第１屈曲部１１の反りが小さく抑えられており、第１屈曲部１１を第１中継端子２３に容易に挿入することができる。 At this time, since the first bent portion 11 of the first bus bar 13 is set short, the deviation of the bending angle of the first bent portion 11 and the warp of the first bent portion 11 are suppressed to be small, and the first bending is suppressed. The unit 11 can be easily inserted into the first relay terminal 23.

第２中継端子２５は、第２筐体部材５の内部に撓み可能に形成された第２係止片１０７を介して第２筐体部材５の内部に設けられた第２保持部１０９に保持されている。 The second relay terminal 25 is held by the second holding portion 109 provided inside the second housing member 5 via the second locking piece 107 formed flexibly inside the second housing member 5. Has been done.

この第２保持部１０９には、第２筐体部材５の内部に第２連結部１５を介して電気的に接続された第２バスバ１９の第２屈曲部１７の先端側が収容されている。 The second holding portion 109 accommodates the tip end side of the second bent portion 17 of the second bus bar 19 electrically connected to the inside of the second housing member 5 via the second connecting portion 15.

このような第２保持部１０９に対して第２中継端子２５を収容することにより、第２バスバ１９の第２屈曲部１７が第２中継端子２５に挿入され、第２バスバ１９と第２中継端子２５とが電気的に接続される。 By accommodating the second relay terminal 25 in such a second holding portion 109, the second bent portion 17 of the second bus bar 19 is inserted into the second relay terminal 25, and the second bus bar 19 and the second relay are relayed. The terminal 25 is electrically connected.

このとき、第２バスバ１９の第２屈曲部１７は、短く設定されているので、第２屈曲部１７の屈曲角度のズレや第２屈曲部１７の反りが小さく抑えられており、第２屈曲部１７を第２中継端子２５に容易に挿入することができる。 At this time, since the second bent portion 17 of the second bus bar 19 is set short, the deviation of the bending angle of the second bent portion 17 and the warp of the second bent portion 17 are suppressed to be small, and the second bending is suppressed. The unit 17 can be easily inserted into the second relay terminal 25.

このように第１保持部１０５と第２保持部１０９とに保持された第１中継端子２３と第２中継端子２５とに対して、第１筐体部材３側、或いは第２筐体部材５側から中継バスバ２１を挿入することにより、中継バスバ２１が第１中継端子２３と第２中継端子２５とに挿入され、中継バスバ２１を介して第１バスバ１３と第２バスバ１９とが電気的に接続される。 With respect to the first relay terminal 23 and the second relay terminal 25 held by the first holding portion 105 and the second holding portion 109 in this way, the first housing member 3 side or the second housing member 5 By inserting the relay bus bar 21 from the side, the relay bus bar 21 is inserted into the first relay terminal 23 and the second relay terminal 25, and the first bus bar 13 and the second bus bar 19 are electrically connected via the relay bus bar 21. Connected to.

このとき、第１保持部１０５と第２保持部１０９とに対する第１中継端子２３と第２中継端子２５との位置ズレは、第１屈曲部１１と第２屈曲部１７とを短く設定することによって吸収されているので、中継バスバ２１を第１中継端子２３と第２中継端子２５とに容易に挿入することができる。 At this time, the positional deviation between the first relay terminal 23 and the second relay terminal 25 with respect to the first holding portion 105 and the second holding portion 109 should be set short between the first bending portion 11 and the second bending portion 17. Therefore, the relay bus bar 21 can be easily inserted into the first relay terminal 23 and the second relay terminal 25.

このように中継バスバ２１を第１中継端子２３と第２中継端子２５とに挿入することにより、中継バスバ２１が第１筐体部材３と第２筐体部材５との内部に配置された状態となり、接続部７が外部に露出することがなく、接続部７を保護することができる。 By inserting the relay bus bar 21 into the first relay terminal 23 and the second relay terminal 25 in this way, the relay bus bar 21 is arranged inside the first housing member 3 and the second housing member 5. Therefore, the connecting portion 7 is not exposed to the outside, and the connecting portion 7 can be protected.

なお、第１筐体部材３と第２筐体部材５との中継バスバ２１が挿入される側の面（第１バスバ１３と第２バスバ１９とが配置された側の面）には、着脱可能なカバーが組付けられており、カバーを外すことによって中継バスバ２１を第１筐体部材３と第２筐体部材５との内部に挿入することができる。 It should be noted that the surface on the side where the relay bus bar 21 of the first housing member 3 and the second housing member 5 is inserted (the surface on the side where the first bus bar 13 and the second bus bar 19 are arranged) is attached and detached. A possible cover is assembled, and the relay bus bar 21 can be inserted into the first housing member 3 and the second housing member 5 by removing the cover.

このような電池パック１０１では、第１中継端子２３が、第１筐体部材３の内部に保持され、第２中継端子２５が、第２筐体部材５の内部に保持されているので、第１筐体部材３と第２筐体部材５の内部で、短く設定することができる第１屈曲部１１と第２屈曲部１７とを第１中継端子２３と第２中継端子２５とに容易に挿入することができる。 In such a battery pack 101, the first relay terminal 23 is held inside the first housing member 3, and the second relay terminal 25 is held inside the second housing member 5. The first bent portion 11 and the second bent portion 17, which can be set short inside the first housing member 3 and the second housing member 5, can be easily connected to the first relay terminal 23 and the second relay terminal 25. Can be inserted.

また、中継バスバ２１は、第１筐体部材３と第２筐体部材５との内部で第１中継端子２３と第２中継端子２５とに挿入されているので、接続部７が外部に露出することがなく、接続部７を保護することができる。 Further, since the relay bus bar 21 is inserted into the first relay terminal 23 and the second relay terminal 25 inside the first housing member 3 and the second housing member 5, the connecting portion 7 is exposed to the outside. It is possible to protect the connection portion 7 without doing so.

なお、本発明の実施の形態に係る筐体接続構造は、電池パックに適用されているが、これに限らず、電気接続箱など、第１筐体部材と第２筐体部材とを電気的に接続する構造であれば、どのような形態であってもよい。 The housing connection structure according to the embodiment of the present invention is applied to the battery pack, but the present invention is not limited to this, and the first housing member and the second housing member such as an electric connection box are electrically connected. Any form may be used as long as it has a structure connected to.

また、本発明の実施の形態に係る電池パックでは、第１バスバと第２バスバとが１つの中継バスバを介して電気的に接続されているが、これに限らず、第１バスバと第２バスバとを複数の中継バスバを介して電気的に接続してもよい。 Further, in the battery pack according to the embodiment of the present invention, the first bus bar and the second bus bar are electrically connected via one relay bus bar, but the present invention is not limited to this, and the first bus bar and the second bus bar are not limited to this. The bus bar may be electrically connected to the bus bar via a plurality of relay bus bars.

このように複数の中継バスバを用いる場合には、第１バスバと第２バスバとの間の距離が長い場合や周辺部材との干渉回避による配置スペースの複雑化などに対応することができ、接続部の配置の自由度を向上することができる。 When a plurality of relay bus bars are used in this way, it is possible to cope with the case where the distance between the first bus bar and the second bus bar is long and the arrangement space becomes complicated by avoiding interference with peripheral members. The degree of freedom in arranging the parts can be improved.

１…電池パック
３…第１筐体部材
５…第２筐体部材
７…接続部
１１…第１屈曲部
１３…第１バスバ
１７…第２屈曲部
１９…第２バスバ
２１…中継バスバ
２３…第１中継端子
２５…第２中継端子 1 ... Battery pack 3 ... 1st housing member 5 ... 2nd housing member 7 ... Connection part 11 ... 1st bent part 13 ... 1st bus bar 17 ... 2nd bent part 19 ... 2nd bus bar 21 ... Relay bus bar 23 ... 1st relay terminal 25 ... 2nd relay terminal

Claims (2)

電気部品が収容された第１筐体部材と、この第１筐体部材に隣接して配置され電気部品が収容された第２筐体部材と、前記第１筐体部材と前記第２筐体部材との間に設けられ前記第１筐体部材と前記第２筐体部材とを電気的に接続する接続部とを備えた筐体接続構造であって、
前記接続部は、前記第１筐体部材に電気的に接続され前記第２筐体部材側に向けて屈曲された第１屈曲部を有する第１バスバと、前記第２筐体部材に電気的に接続され前記第１筐体部材側に向けて屈曲された第２屈曲部を有する第２バスバと、前記第１バスバと前記第２バスバとを電気的に接続する中継バスバとを有し、
前記第１バスバと前記第２バスバとは、前記中継バスバが挿入される第１中継端子と第２中継端子とに前記第１屈曲部と前記第２屈曲部とを挿入することにより前記中継バスバを介して電気的に接続されることを特徴とする筐体接続構造。 A first housing member containing electrical components, a second housing member arranged adjacent to the first housing member and containing electrical components, the first housing member and the second housing. It is a housing connection structure provided between the members and provided with a connecting portion for electrically connecting the first housing member and the second housing member.
The connecting portion is electrically connected to the first housing member and has a first bus bar having a first bent portion that is electrically connected to the second housing member and bent toward the second housing member side, and the second housing member is electrically connected to the first bus bar. It has a second bus bar having a second bent portion connected to the first housing member and bent toward the first housing member side, and a relay bus bar that electrically connects the first bus bar and the second bus bar.
The first bus bar and the second bus bar are the relay bus bar by inserting the first bent portion and the second bent portion into the first relay terminal and the second relay terminal into which the relay bus bar is inserted. A housing connection structure characterized by being electrically connected via. 請求項１記載の筐体接続構造であって、
前記第１中継端子は、前記第１筐体部材の内部に保持され、
前記第２中継端子は、前記第２筐体部材の内部に保持され、
前記中継バスバは、前記第１筐体部材と前記第２筐体部材との内部で前記第１中継端子と前記第２中継端子とに挿入されていることを特徴とする筐体接続構造。 The housing connection structure according to claim 1.
The first relay terminal is held inside the first housing member, and is held inside the first housing member.
The second relay terminal is held inside the second housing member, and is held inside the second housing member.
The relay bus bar is a housing connection structure characterized in that the relay bus bar is inserted into the first relay terminal and the second relay terminal inside the first housing member and the second housing member.
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JPH0564339A (en) * 1991-08-30 1993-03-12 Fujikura Ltd Electric connection box
JPH10255934A (en) * 1997-03-12 1998-09-25 Yazaki Corp Junction terminal for surface mounted equipment
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