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JP2016219631A - Cabinet, power storage system - Google Patents

Cabinet, power storage system Download PDF

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Publication number
JP2016219631A
JP2016219631A JP2015103936A JP2015103936A JP2016219631A JP 2016219631 A JP2016219631 A JP 2016219631A JP 2015103936 A JP2015103936 A JP 2015103936A JP 2015103936 A JP2015103936 A JP 2015103936A JP 2016219631 A JP2016219631 A JP 2016219631A
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JP
Japan
Prior art keywords
lid
storage box
screw
conductive portion
hole
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.)
Pending
Application number
JP2015103936A
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Japanese (ja)
Inventor
慎二 児島
Shinji Kojima
慎二 児島
篤志 中本
Atsushi Nakamoto
篤志 中本
啓道 奥井
Hiromichi Okui
啓道 奥井
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Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Priority to JP2015103936A priority Critical patent/JP2016219631A/en
Priority to PCT/JP2016/002426 priority patent/WO2016185718A1/en
Publication of JP2016219631A publication Critical patent/JP2016219631A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B81/00—Cabinets or racks specially adapted for other particular purposes, e.g. for storing guns or skis
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271—Lids or covers for the racks or secondary casings
    • H01M50/273—Lids or covers for the racks or secondary casings characterised by the material
    • H01M50/278—Organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/222—Inorganic material
    • H01M50/224—Metals
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/34—Conductive members located under head of screw
    • 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
    • H01R4/58—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 characterised by the form or material of the contacting members
    • H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/40—Wall-mounted casings; Parts thereof or accessories therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/03—Covers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/04—Metal casings
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Casings For Electric Apparatus (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Distribution Board (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a cabinet which can improve a reliability of conduction between a storage box and a lid.SOLUTION: A cabinet 1 has a storage box 2 in which an opening 300 is formed on the front surface to house an electric device, and a lid 5 covering the opening 300. In the cabinet 1, the screw 9 is coupled to a screw hole (through hole 43) provided in the storage box 2 through a screw through hole (through hole 74) provided in the lid 5, whereby the lid 5 is attached to the storage box 2. The storage box 2 has a first conductive portion (a flange portion 42) projecting from a surface facing the lid 5, and the first conductive portion has a first insertion hole (a through hole 74) through which the screw 9 passes. The lid 5 has a second conductive portion (a first flange portion 71) protruding from a surface facing the storage box 2, and the second conductive portion has a second insertion hole (through hole 74) through which the screw 9 passes . By attaching the lid 5 to the storage box 2, the first conductive part and the second conductive part come into contact with each other, and the storage box 2 and the lid 5 are electrically connected.SELECTED DRAWING: Figure 3

Description

本発明は、一般にキャビネット及びこれを用いた蓄電システム、より詳細には電気装置を収納するキャビネット及びこれを用いた蓄電システムに関する。   The present invention generally relates to a cabinet and a power storage system using the same, and more particularly to a cabinet for storing an electric device and a power storage system using the same.

従来、電気装置を収納した導電性筐体（収納箱）と、導電性の化粧パネル（蓋）とを導通させる技術が知られている（例えば、特許文献１参照）。特許文献１では、化粧パネルにおけるねじの頭部と対向する位置に平座金が溶接されており、平座金及び化粧パネルをねじによって筐体に取り付けることで、ねじを介して化粧パネルと筐体とを導通させている。   2. Description of the Related Art Conventionally, a technique for electrically connecting a conductive casing (storage box) that stores an electrical device and a conductive decorative panel (lid) is known (see, for example, Patent Document 1). In Patent Document 1, a flat washer is welded to a position facing a screw head in a decorative panel, and the flat washer and the decorative panel are attached to the casing with a screw, whereby the decorative panel and the casing are connected via the screw. Is conducted.

特開平６−２１５８１２号公報JP-A-6-215812

特許文献１では、ねじの頭部及び平座金は外部に露出しているため、ねじの頭部と平座金との間に異物などが挟まりやすく、ねじの頭部と平座金とが接触不良となり、筐体と化粧パネルとの導通が得られないおそれがあった。そこで、筐体（収納箱）と化粧パネル（蓋）との間における導通の信頼性の向上が望まれていた。   In Patent Document 1, since the screw head and the flat washer are exposed to the outside, foreign matter or the like is likely to be caught between the screw head and the flat washer, resulting in poor contact between the screw head and the flat washer. There is a possibility that electrical connection between the casing and the decorative panel cannot be obtained. Therefore, it has been desired to improve the reliability of conduction between the housing (storage box) and the decorative panel (lid).

本発明は、上記事由に鑑みてなされており、その目的は、収納箱と蓋との間における導通の信頼性を向上させることができるキャビネット及びこれを用いた蓄電システムを提供することにある。   This invention is made | formed in view of the said reason, The objective is to provide the cabinet which can improve the reliability of conduction | electrical_connection between a storage box and a lid | cover, and an electrical storage system using the same.

本発明のキャビネットは、一面に開口部が形成され電気装置を収納する金属製の収納箱、及び前記開口部を覆う金属製の蓋を有し、前記収納箱に設けられたねじ孔に、前記蓋に設けられたねじ貫通孔を介してねじが結合することで、前記収納箱に前記蓋が取り付けられるキャビネットであって、前記収納箱は、前記蓋との対向面から突出する第１導電部を有し、前記第１導電部は、前記ねじを通す第１挿通孔を有し、前記蓋は、前記収納箱との対向面から突出する第２導電部を有し、前記第２導電部は、前記ねじを通す第２挿通孔を有し、前記収納箱に前記蓋が取り付けられることで、前記第１導電部と前記第２導電部とが互いに接触し、前記収納箱と前記蓋とが電気的に接続されることを特徴とする。   The cabinet according to the present invention has a metal storage box having an opening formed on one surface thereof for storing an electric device, and a metal lid that covers the opening, and the screw hole provided in the storage box has the above-mentioned A cabinet in which the lid is attached to the storage box by coupling screws through a screw through hole provided in the lid, wherein the storage box protrudes from a surface facing the lid. The first conductive part has a first insertion hole through which the screw passes, and the lid has a second conductive part protruding from a surface facing the storage box, and the second conductive part Has a second insertion hole through which the screw is passed, and the lid is attached to the storage box so that the first conductive portion and the second conductive portion are in contact with each other, and the storage box and the lid Are electrically connected.

本発明の蓄電システムは、蓄電池モジュールと、前記蓄電池モジュールの充放電を制御する充放電装置と、一面に開口部が形成され前記蓄電池モジュール及び前記充放電装置を収納する金属製の収納箱、及び前記開口部を覆う金属製の蓋を有し、前記収納箱に設けられたねじ孔に、前記蓋に設けられたねじ貫通孔を介してねじが結合することで、前記収納箱に前記蓋が取り付けられるキャビネットとを備え、前記収納箱は、前記蓋との対向面から突出する第１導電部を有し、前記第１導電部は、前記ねじを通す第１挿通孔を有し、前記蓋は、前記収納箱との対向面から突出する第２導電部を有し、前記第２導電部は、前記ねじを通す第２挿通孔を有し、前記収納箱に前記蓋が取り付けられることで、前記第１導電部と前記第２導電部とが互いに接触し、前記収納箱と前記蓋とが電気的に接続されることを特徴とする。   The power storage system of the present invention includes a storage battery module, a charging / discharging device that controls charging / discharging of the storage battery module, a metal storage box that has an opening formed on one surface and stores the storage battery module and the charging / discharging device, and A metal lid that covers the opening, and a screw is coupled to a screw hole provided in the storage box via a screw through hole provided in the lid, so that the lid is attached to the storage box. A cabinet to be attached, wherein the storage box has a first conductive portion protruding from a surface facing the lid, and the first conductive portion has a first insertion hole through which the screw passes, and the lid Has a second conductive part projecting from the surface facing the storage box, the second conductive part has a second insertion hole through which the screw is passed, and the lid is attached to the storage box. The first conductive portion and the second conductive portion are mutually connected. Contact, the said storage box lid and is characterized in that it is electrically connected.

本発明では、収納箱と蓋との間における導通の信頼性を向上させることができるという効果がある。   In this invention, there exists an effect that the reliability of conduction | electrical_connection between a storage box and a lid | cover can be improved.

実施形態のキャビネット及び蓄電システムにおける蓋を取り外した状態の斜視図である。It is a perspective view of the state where the lid in the cabinet and power storage system of an embodiment was removed. 図２Ａは、実施形態のキャビネット及び蓄電システムの正面図である。図２Ｂは、実施形態のキャビネット及び蓄電システムの側面図である。FIG. 2A is a front view of the cabinet and the power storage system of the embodiment. FIG. 2B is a side view of the cabinet and the power storage system of the embodiment. 実施形態のキャビネットにおける図２ＡのＡ−Ａ断面図である。It is AA sectional drawing of FIG. 2A in the cabinet of embodiment. 実施形態のキャビネットの変形例の一部を拡大した断面図である。It is sectional drawing to which a part of modification of the cabinet of embodiment was expanded.

以下、本発明の実施の形態を図面に基づいて説明する。なお、下記の実施形態において説明する各図は、各構成要素の大きさや厚さそれぞれの比が必ずしも実際の寸法比を反映しているとは限らない。
（実施形態）
以下、本実施形態に係るキャビネット１について図１〜図３を参照して説明する。ただし、以下に説明する構成は本発明の一例にすぎない。本発明は、以下の実施形態に限定されず、本発明に係る技術的思想を逸脱しない範囲であれば、設計等に応じて種々の変更が可能である。なお、図１中の符号Ａ１は、キャビネット１の一部を拡大した図である。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings described in the following embodiments, the ratios of the sizes and thicknesses of the constituent elements do not necessarily reflect actual dimensional ratios.
(Embodiment)
Hereinafter, the cabinet 1 which concerns on this embodiment is demonstrated with reference to FIGS. 1-3. However, the configuration described below is only an example of the present invention. The present invention is not limited to the following embodiments, and various modifications can be made according to the design and the like as long as they do not depart from the technical idea of the present invention. In addition, the code | symbol A1 in FIG.

本実施形態のキャビネット１は、収納箱２と蓋５とを備え電気装置１００を収納する金属製のキャビネットである。キャビネット１は、電気装置１００として蓄電池モジュール１０１及び充放電装置１０２を収納し、戸建て住宅に設けられる蓄電システム１０に用いられる。以下の説明で用いる方向は、図２Ａにおける上下方向を上下方向、図２Ａにおける左右方向を左右方向、図２Ｂにおける左右方向を前後方向と規定して説明する。   The cabinet 1 of the present embodiment is a metal cabinet that includes a storage box 2 and a lid 5 and stores the electric device 100. The cabinet 1 houses a storage battery module 101 and a charge / discharge device 102 as an electric device 100 and is used in a power storage system 10 provided in a detached house. The directions used in the following description will be described by defining the vertical direction in FIG. 2A as the vertical direction, the horizontal direction in FIG. 2A as the horizontal direction, and the horizontal direction in FIG.

本実施形態のキャビネット１は、前面（図２Ｂにおける左側の面）に開口部３００が形成され蓄電池モジュール１０１及び充放電装置１０２を収納する金属製の収納箱２と、収納箱２の開口部３００を覆う金属製の蓋５とを備えている。蓋５は、丸頭ねじで構成されたねじ９を用いて収納箱２に取り付けられる。   The cabinet 1 of the present embodiment includes a metal storage box 2 in which an opening 300 is formed on the front surface (left side in FIG. 2B) and stores the storage battery module 101 and the charge / discharge device 102, and the opening 300 of the storage box 2. And a metal lid 5 covering the. The lid 5 is attached to the storage box 2 using a screw 9 composed of a round head screw.

複数個（３個）ある蓄電池モジュール１０１のそれぞれは、充電及び放電が可能な蓄電池を有している。蓄電池モジュール１０１は、直列又は並列に接続された複数の蓄電池（例えばリチウムイオン電池など）を有している。また、蓄電池モジュール１０１は、蓄電池のみ備える構成のほか、温度センサのようなセンサ類、蓄電池の特性データを格納したメモリ、蓄電池の充放電制御や異常監視を行う監視制御部、情報を伝送するための通信部などを備える構成でもよい。   Each of the plurality (three) of storage battery modules 101 has a storage battery that can be charged and discharged. The storage battery module 101 has a plurality of storage batteries (for example, lithium ion batteries) connected in series or in parallel. The storage battery module 101 has a configuration including only a storage battery, sensors such as a temperature sensor, a memory storing characteristic data of the storage battery, a monitoring control unit that performs charge / discharge control and abnormality monitoring of the storage battery, and transmits information. The communication section may be provided.

充放電装置１０２は、複数個の蓄電池モジュール１０１と屋内配線との間に電気的に接続されて電力変換を行うパワーコンディショナで構成されており、蓄電池モジュール１０１の充放電を制御する。充放電装置１０２は、屋内配線を介して商用電源から供給される交流電力を直流電力に変換して蓄電池モジュール１０１を充電する。また、充放電装置１０２は、蓄電池モジュール１０１が出力する直流電力を交流電力に変換して電気負荷に供給する。   The charging / discharging device 102 includes a power conditioner that is electrically connected between the plurality of storage battery modules 101 and the indoor wiring and performs power conversion, and controls charging / discharging of the storage battery module 101. The charging / discharging device 102 charges the storage battery module 101 by converting AC power supplied from a commercial power supply via indoor wiring into DC power. Further, the charging / discharging device 102 converts the DC power output from the storage battery module 101 into AC power and supplies it to the electric load.

収納箱２は、前面に矩形状の開口部３００が設けられた直方体状の箱本体３を備えている。箱本体３は、例えば戸建て住宅などの建物の外壁に後面（開口部３００が設けられた前面と反対側の面）を対向させ、建物の外壁と後面との間に隙間を開けた状態で設置される。箱本体３は、複数個（３個）の蓄電池モジュール１０１と、充放電装置１０２とを収納する。この箱本体３は、箱型の台座１０４に載せられて、設置場所に設置される。なお、台座１０４の上面、下面及び後面はそれぞれが開口している。   The storage box 2 includes a rectangular parallelepiped box body 3 having a rectangular opening 300 on the front surface. The box body 3 is installed with the rear surface (the surface opposite to the front surface provided with the opening 300) facing the outer wall of a building such as a detached house and a gap between the outer wall and the rear surface of the building. Is done. The box body 3 houses a plurality (three) of storage battery modules 101 and a charge / discharge device 102. The box body 3 is placed on a box-shaped pedestal 104 and installed at an installation location. The upper surface, the lower surface, and the rear surface of the pedestal 104 are open.

箱本体３の内部空間は、床板３１１から天井板３１２まで形成された隔壁３１３によって、右側の第１収納室３２１と左側の第２収納室３２２とに分けられている。さらに、左側の第２収納室３２２は、箱本体３の内部空間において上下方向のほぼ中央に設けられた棚板３１４によって上側収納室３２３と下側収納室３２４とに分かれている。   The internal space of the box body 3 is divided into a first storage chamber 321 on the right side and a second storage chamber 322 on the left side by a partition wall 313 formed from the floor plate 311 to the ceiling plate 312. Further, the second storage chamber 322 on the left side is divided into an upper storage chamber 323 and a lower storage chamber 324 by a shelf plate 314 provided substantially at the center in the vertical direction in the internal space of the box body 3.

第１収納室３２１には、充放電装置１０２が収納されている。充放電装置１０２は、電力変換を行う回路が形成された回路基板と、回路基板などの部材を収納する角筒状のカバー１０３とを有している。充放電装置１０２は第１収納室３２１における上側の位置に配置されている。   The charging / discharging device 102 is accommodated in the first storage chamber 321. The charging / discharging device 102 includes a circuit board on which a circuit that performs power conversion is formed, and a rectangular tube-like cover 103 that houses members such as the circuit board. The charging / discharging device 102 is disposed at an upper position in the first storage chamber 321.

本実施形態では、第１収納室３２１において充放電装置１０２の下側のスペースが外部配線スペースであり、屋内配線と充放電装置１０２との間を電気的に接続する外部配線Ｗ１が引き回される。箱本体３の床板３１１には、上下方向に貫通した貫通孔３１５が設けられている。外部配線Ｗ１は、例えば台座１０４の後側の開口から台座１０４の内部に挿入され、床板３１１に設けられた貫通孔３１５を通して箱本体３内に導入される。そして、外部配線Ｗ１が充放電装置１０２に接続されることで、充放電装置１０２と屋内配線とが電気的に接続される。   In the present embodiment, the space below the charging / discharging device 102 in the first storage chamber 321 is an external wiring space, and the external wiring W1 that electrically connects the indoor wiring and the charging / discharging device 102 is routed. The The floor plate 311 of the box body 3 is provided with a through hole 315 penetrating in the vertical direction. The external wiring W1 is inserted into the pedestal 104 through, for example, an opening on the rear side of the pedestal 104 and introduced into the box body 3 through a through hole 315 provided in the floor plate 311. And the external wiring W1 is connected to the charging / discharging device 102, whereby the charging / discharging device 102 and the indoor wiring are electrically connected.

第２収納室３２２の上側収納室３２３及び下側収納室３２４には、それぞれ、蓄電池モジュール１０１を収納可能な蓄電池収納スペースが設けられている。上側収納室３２３には、２つの蓄電池モジュール１０１が前後方向に並べて収納され、下側収納室３２４には、１つの蓄電池モジュール１０１が収納されている。また、上側収納室３２３及び下側収納室３２４のそれぞれには、２個の取付台３１６が左右方向に間隔を開けて配置されている。２個の取付台３１６は、板金をプレス加工して形成されている。蓄電池モジュール１０１は、２個の取付台３１６に跨がるように載せられた状態で、例えば蓄電池モジュール１０１に固定された金具を取付台３１６にねじなどで固定することによって、箱本体３に取り付けられている。そして、複数の蓄電池モジュール１０１のそれぞれは、内部配線Ｗ２を介して充放電装置１０２と電気的に接続されている。   The upper storage chamber 323 and the lower storage chamber 324 of the second storage chamber 322 are each provided with a storage battery storage space in which the storage battery module 101 can be stored. In the upper storage chamber 323, two storage battery modules 101 are stored side by side in the front-rear direction, and in the lower storage chamber 324, one storage battery module 101 is stored. In addition, in each of the upper storage chamber 323 and the lower storage chamber 324, two mounting bases 316 are arranged with a gap in the left-right direction. The two mounting bases 316 are formed by pressing a sheet metal. The storage battery module 101 is mounted on the box main body 3 by, for example, fixing a metal fitting fixed to the storage battery module 101 to the mounting base 316 with a screw or the like in a state of being placed across the two mounting bases 316. It has been. And each of the some storage battery module 101 is electrically connected with the charging / discharging apparatus 102 via the internal wiring W2.

また、箱本体３の上側には、屋根カバー１０５が取り付けられている。屋根カバー１０５は、下面が開口した扁平な直方体状であり、左右方向の寸法及び前後方向の寸法が箱本体３の天井板３１２とほぼ同じ寸法に形成されている。また、屋根カバー１０５は、箱本体３の天井板３１２の上面に設けられた操作表示器１０６を前方に露出させている。操作表示器１０６は、操作スイッチ１０７及び表示部１０８を備えている。操作スイッチ１０７は、例えば充放電装置１０２対して蓄電池モジュール１０１の放電の開始、停止などを指示する。表示部１０８は、蓄電池モジュール１０１の放電中、充電中を示す動作状態、充放電装置１０２のエラーコードなどを表示する。   A roof cover 105 is attached to the upper side of the box body 3. The roof cover 105 has a flat rectangular parallelepiped shape with an open bottom surface, and the dimensions in the left-right direction and the dimension in the front-rear direction are substantially the same as the ceiling plate 312 of the box body 3. The roof cover 105 exposes the operation indicator 106 provided on the upper surface of the ceiling plate 312 of the box body 3 to the front. The operation indicator 106 includes an operation switch 107 and a display unit 108. The operation switch 107 instructs, for example, the charging / discharging device 102 to start or stop discharging of the storage battery module 101. The display unit 108 displays an operation state indicating that the storage battery module 101 is being discharged or being charged, an error code of the charging / discharging device 102, and the like.

また、図３に示すように、箱本体３は、開口部３００の全周にわたって前方に突出した側板部３０１と、側板部３０１の前端部から開口部３００から離れる向きに突出したフランジ３０２とを有している。そして、箱本体３の前板部３０３と側板部３０１とフランジ３０２とで、開口部３００の周囲に水切り溝３０４を形成している。   As shown in FIG. 3, the box body 3 includes a side plate portion 301 that protrudes forward over the entire circumference of the opening portion 300, and a flange 302 that protrudes away from the opening portion 300 from the front end portion of the side plate portion 301. Have. A draining groove 304 is formed around the opening 300 by the front plate portion 303, the side plate portion 301 and the flange 302 of the box body 3.

蓋５は、矩形板状の前板部６１、及び前板部６１の縁の全周から後方に突出した側板部６２を有する蓋本体６を備えている。蓋本体６は、前板部６１が収納箱２のフランジ３０２と前後方向に対向して開口部３００を覆い、側板部６２が箱本体３の水切り溝３０４を覆うように箱本体３にねじ９を用いて取り付けられる。   The lid 5 includes a lid body 6 having a rectangular plate-like front plate portion 61 and a side plate portion 62 protruding rearward from the entire circumference of the edge of the front plate portion 61. The lid body 6 has a screw 9 attached to the box body 3 so that the front plate portion 61 faces the flange 302 of the storage box 2 in the front-rear direction and covers the opening 300, and the side plate portion 62 covers the draining groove 304 of the box body 3. It is attached using.

ここで、収納箱２は箱本体３に設けられた金属製の第１接触部材４を有し、蓋５は蓋本体６に設けられた金属製の第２接触部材７を有している。そして、蓋本体６が箱本体３に取り付けられることで第１接触部材４と第２接触部材７とが接触し、収納箱２と蓋５とが電気的に接続される。   Here, the storage box 2 has a metal first contact member 4 provided on the box body 3, and the lid 5 has a metal second contact member 7 provided on the lid body 6. And the 1st contact member 4 and the 2nd contact member 7 contact because the cover main body 6 is attached to the box main body 3, and the storage box 2 and the cover 5 are electrically connected.

具体的には、箱本体３のフランジ３０２には前後方向に貫通した複数の貫通孔３０５が形成されており、第１接触部材４は、貫通孔３０５に挿し込まれた状態で箱本体３に取り付けられている。第１接触部材４は、例えばナットで構成されており、貫通孔３０５を貫通する筒部４１と、筒部４１の前端部に設けられた鍔部４２とを備える。筒部４１は、前後方向に貫通した貫通孔４３を有しており、筒部４１の内周面にはねじ溝が形成されねじ９が結合される。鍔部４２は、筒部４１の前端部の全周にわたって貫通孔４３から離れる向きに突出しており、後面がフランジ３０２の前面と対向し、フランジ３０２の前面から突出している。そして、第１接触部材４は、かしめ、溶接など固定手段によって箱本体３のフランジ３０２に固定されており、箱本体３と電気的に接続されている。なお、第１接触部材４の鍔部４２が、収納箱２における蓋５との対向面から突出する第１導電部に相当する構成である。また、第１接触部材４の筒部４１に形成された貫通孔４３は、ねじ９が結合するねじ孔と、第１導電部が有しねじ９を通す第１挿通孔とを一体にした構成である。   Specifically, a plurality of through holes 305 penetrating in the front-rear direction are formed in the flange 302 of the box body 3, and the first contact member 4 is inserted into the box body 3 in a state of being inserted into the through holes 305. It is attached. The first contact member 4 is made of, for example, a nut, and includes a cylindrical portion 41 that penetrates the through hole 305 and a flange portion 42 provided at the front end portion of the cylindrical portion 41. The cylinder part 41 has a through-hole 43 penetrating in the front-rear direction. A screw groove is formed on the inner peripheral surface of the cylinder part 41 and the screw 9 is coupled thereto. The flange portion 42 protrudes in a direction away from the through hole 43 over the entire circumference of the front end portion of the cylindrical portion 41, and the rear surface faces the front surface of the flange 302 and protrudes from the front surface of the flange 302. The first contact member 4 is fixed to the flange 302 of the box body 3 by fixing means such as caulking and welding, and is electrically connected to the box body 3. In addition, the collar part 42 of the 1st contact member 4 is the structure corresponded to the 1st electroconductive part which protrudes from the opposing surface with the lid | cover 5 in the storage box 2. FIG. Further, the through hole 43 formed in the cylindrical portion 41 of the first contact member 4 has a configuration in which a screw hole to which the screw 9 is coupled and a first insertion hole that the first conductive portion has and through which the screw 9 passes are integrated. It is.

蓋本体６の前板部６１には、箱本体３のフランジ３０２に設けられた各第１接触部材４と前後方向に対向する位置に貫通孔６３が形成されており、第２接触部材７は、貫通孔６３に挿し込まれた状態で蓋本体６に取付けられている。第２接触部材７は、例えばグロメット（grommet）で構成されており、蓋本体６の前板部６１を前後方向に挟む第１鍔部７１及び第２鍔部７２と、第１鍔部７１と第２鍔部７２とを前後方向に繋ぐ筒部７３とを一体に有する。筒部７３は、前後方向に貫通した貫通孔７４を有しており、ねじ９が通される。第１鍔部７１は、筒部７３の後端部の全周にわたって貫通孔７４から離れる向きに突出しており、前面が前板部６１の後面と対向し、前板部６１の後面から突出している。第２鍔部７２は、筒部７３の前端部の全周にわたって貫通孔７４から離れる向きに突出しており、外形寸法が第１鍔部７１よりも小さい。また、蓋本体６の前板部６１は、貫通孔６３の周部が他の部位よりも厚さが小さく段差が形成されており、この段差に第２鍔部７２が嵌まり込むことで、第２鍔部７２の前面と蓋本体６の前面とが略同じ面上に段差なく並ぶ。つまり、第２鍔部７２の前面と蓋本体６の前面とが面一となる。そして、第２接触部材７は、かしめによって第１鍔部７１と第２鍔部７２とで蓋本体６における貫通孔６３の周部を挟み込むようにして、蓋本体６に固定されており、蓋本体６と電気的に接続されている。なお、第２接触部材７の第１鍔部７１が、蓋５における収納箱２との対向面から突出する第２導電部に相当する構成である。また、第２接触部材７の筒部７３に形成された貫通孔７４は、ねじ９を通すねじ貫通孔と第２挿通孔とを一体にした構成である。   A through hole 63 is formed in the front plate portion 61 of the lid body 6 at a position facing each first contact member 4 provided on the flange 302 of the box body 3 in the front-rear direction, and the second contact member 7 The lid body 6 is attached in a state of being inserted into the through hole 63. The 2nd contact member 7 is comprised, for example by the grommet (grommet), The 1st collar part 71 and the 2nd collar part 72 which pinch | interpose the front board part 61 of the cover main body 6 in the front-back direction, It has integrally the cylinder part 73 which connects the 2nd collar part 72 to the front-back direction. The cylinder part 73 has a through-hole 74 penetrating in the front-rear direction, and the screw 9 is passed therethrough. The first flange portion 71 protrudes in a direction away from the through hole 74 over the entire circumference of the rear end portion of the cylindrical portion 73, the front surface faces the rear surface of the front plate portion 61, and protrudes from the rear surface of the front plate portion 61. Yes. The second flange portion 72 protrudes in a direction away from the through hole 74 over the entire circumference of the front end portion of the cylindrical portion 73, and the outer dimension is smaller than that of the first flange portion 71. In addition, the front plate portion 61 of the lid body 6 has a step formed in the peripheral portion of the through-hole 63 with a smaller thickness than other portions, and the second collar portion 72 is fitted into the step, The front surface of the second flange 72 and the front surface of the lid body 6 are arranged on the substantially same surface without any step. That is, the front surface of the second flange 72 and the front surface of the lid body 6 are flush with each other. And the 2nd contact member 7 is being fixed to the lid body 6 so that the 1st collar part 71 and the 2nd collar part 72 may pinch | interpose the surrounding part of the through-hole 63 in the lid body 6 by caulking, The main body 6 is electrically connected. In addition, the 1st collar part 71 of the 2nd contact member 7 is the structure corresponded to the 2nd electroconductive part which protrudes from the opposing surface with the storage box 2 in the lid | cover 5. FIG. The through hole 74 formed in the cylindrical portion 73 of the second contact member 7 has a configuration in which the screw through hole through which the screw 9 is passed and the second insertion hole are integrated.

また、図１、図３に示すように、箱本体３のフランジ３０２の前面には、フランジ３０２の全周にわたってパッキン８が接着などの方法により取り付けられている。パッキン８は、複数の導電部貫通孔８１が形成されている。各導電部貫通孔８１は、フランジ３０２の前面から突出した鍔部４２（第１導電部）を通すように形成されており、鍔部４２の周りを囲う。   As shown in FIGS. 1 and 3, the packing 8 is attached to the front surface of the flange 302 of the box body 3 over the entire circumference of the flange 302 by a method such as adhesion. The packing 8 has a plurality of conductive part through holes 81 formed therein. Each conductive part through-hole 81 is formed so as to pass the flange part 42 (first conductive part) protruding from the front surface of the flange 302 and surrounds the periphery of the flange part 42.

そして、ねじ９が蓋本体６に設けられた第２接触部材７の貫通孔７４を通り、箱本体３に設けられた第１接触部材４の貫通孔４３に結合されることで、蓋５が収納箱２に取り付けられる。これにより、フランジ３０２の前面から突出した鍔部４２と、蓋本体６の後面から突出した第１鍔部７１とが互いに接触する。第１接触部材４及び第２接触部材７は、金属で構成されているので、鍔部４２と第１鍔部７１とが接触することで、第１接触部材４と第２接触部材７とが電気的に接続される。また、第１接触部材４は、箱本体３と電気的に接続され、第２接触部材７は、蓋本体６と電気的に接続されている。したがって、ねじ９を用いて蓋本体６が箱本体３に取り付けられることによって、第１接触部材４と第２接触部材７とが接触し、蓋本体６と箱本体３とが電気的に接続、すなわち導通する。また、蓋本体６が箱本体３に取り付けられることによって、蓋本体６の前板部６１と箱本体３のフランジ３０２とでパッキン８が挟み込まれる。これにより、蓋本体６の前板部６１と箱本体３のフランジ３０２との隙間がパッキン８によって埋められ、前板部６１とフランジ３０２との隙間から箱本体３の内部に水が浸入することが抑制される。   Then, the screw 5 passes through the through hole 74 of the second contact member 7 provided in the lid body 6 and is coupled to the through hole 43 of the first contact member 4 provided in the box body 3, so that the lid 5 is It is attached to the storage box 2. Thereby, the flange part 42 protruded from the front surface of the flange 302 and the first flange part 71 protruded from the rear surface of the lid body 6 come into contact with each other. Since the 1st contact member 4 and the 2nd contact member 7 are comprised with the metal, the 1st contact member 4 and the 2nd contact member 7 come into contact with the collar part 42 and the 1st collar part 71. Electrically connected. The first contact member 4 is electrically connected to the box body 3, and the second contact member 7 is electrically connected to the lid body 6. Therefore, by attaching the lid body 6 to the box body 3 using the screws 9, the first contact member 4 and the second contact member 7 come into contact with each other, and the lid body 6 and the box body 3 are electrically connected. That is, it conducts. In addition, by attaching the lid body 6 to the box body 3, the packing 8 is sandwiched between the front plate portion 61 of the lid body 6 and the flange 302 of the box body 3. As a result, the gap between the front plate portion 61 of the lid body 6 and the flange 302 of the box body 3 is filled with the packing 8, and water enters the inside of the box body 3 from the gap between the front plate portion 61 and the flange 302. Is suppressed.

このように、本実施形態のキャビネット１は、一面（前面）に開口部３００が形成され電気装置１００を収納する金属製の収納箱２、及び開口部３００を覆う金属製の蓋５を有する。そして、キャビネット１は、収納箱２に設けられたねじ孔（貫通孔４３）に、蓋５に設けられたねじ貫通孔（貫通孔７４）を介してねじ９が結合することで、収納箱２に蓋５が取り付けられる。収納箱２は、蓋５との対向面から突出する第１導電部（鍔部４２）を有し、第１導電部（鍔部４２）は、ねじ９を通す第１挿通孔（貫通孔７４）を有する。また、蓋５は、収納箱２との対向面から突出する第２導電部（第１鍔部７１）を有し、第２導電部（第１鍔部７１）は、ねじ９を通す第２挿通孔（貫通孔７４）を有する。そして、収納箱２に蓋５が取り付けられることで、第１導電部（鍔部４２）と第２導電部（第１鍔部７１）とが互いに接触し、収納箱２と蓋５とが電気的に接続される。   As described above, the cabinet 1 of the present embodiment includes the metal storage box 2 in which the opening 300 is formed on one surface (front surface) and stores the electric device 100, and the metal lid 5 that covers the opening 300. The cabinet 1 is connected to the screw hole (through hole 43) provided in the storage box 2 through the screw through hole (through hole 74) provided in the lid 5, so that the storage box 2 A lid 5 is attached to the lid. The storage box 2 has a first conductive part (a collar part 42) that protrudes from a surface facing the lid 5, and the first conductive part (a collar part 42) is a first insertion hole (through hole 74) through which the screw 9 is passed. ). The lid 5 has a second conductive portion (first flange 71) protruding from the surface facing the storage box 2, and the second conductive portion (first flange 71) is a second through which the screw 9 is passed. It has an insertion hole (through hole 74). Then, by attaching the lid 5 to the storage box 2, the first conductive portion (the flange portion 42) and the second conductive portion (the first flange portion 71) are in contact with each other, and the storage box 2 and the lid 5 are electrically connected. Connected.

上記構成により、ねじ９を用いて蓋５を収納箱２に取り付けることで、収納箱２が備える鍔部４２と蓋５が備える第１鍔部７１とが接触し、収納箱２と蓋５との間における導通を確保することができる。また、蓋５を収納箱２に取り付けた状態では、収納箱２と蓋５との接触部である鍔部４２及び第１鍔部７１が露出しないように構成される。したがって、鍔部４２と第１鍔部７１との間に異物などが挟まれることが抑制され、鍔部４２と第１鍔部７１との接触不良が抑制される。これにより、収納箱２と蓋５との間における導通の信頼性が向上する。また、鍔部４２と第１鍔部７１との接触状態は、ねじ９によって保持されるので、鍔部４２と第１鍔部７１とが離れ収納箱２と蓋５との間が非導通状態となることが抑制される。   With the above configuration, the lid 5 is attached to the storage box 2 using the screw 9, so that the collar 42 provided in the storage box 2 and the first collar 71 provided in the lid 5 come into contact with each other. Can be ensured. Further, in a state where the lid 5 is attached to the storage box 2, the flange portion 42 and the first flange portion 71 which are contact portions between the storage box 2 and the lid 5 are configured not to be exposed. Accordingly, foreign matter or the like is suppressed from being sandwiched between the collar part 42 and the first collar part 71, and poor contact between the collar part 42 and the first collar part 71 is suppressed. Thereby, the reliability of conduction between the storage box 2 and the lid 5 is improved. Moreover, since the contact state of the collar part 42 and the 1st collar part 71 is hold | maintained with the screw 9, the collar part 42 and the 1st collar part 71 leave | separate and the storage box 2 and the lid | cover 5 are a non-conduction state. Is suppressed.

また、本実施形態のキャビネット１は、収納箱２の鍔部４２と蓋５の第１鍔部７１とを接触させることで、収納箱２と蓋５との導通を図る構成であるので、ねじ９は収納箱２及び蓋５と導通させる構成は必須ではない。したがって、ねじ９に防錆処理、緩み止め処理などを施すことが可能となる。また、蓋５を収納箱２に取り付けるのみで蓋５と収納箱２とを導通させることができるので、例えば蓋５と収納箱２とを電気的に接続する電線を繋ぐ作業が不要となり、施工性が向上する。また、蓋５の取り付け時に電線の繋ぎ忘れなどによって蓋５と収納箱２とが非導通状態となることが抑制される。さらに、蓋５と収納箱２とを繋ぐ電線が不要であるので、蓋５の取り外しも容易となる。   Moreover, since the cabinet 1 of this embodiment is the structure which aims at the conduction | electrical_connection between the storage box 2 and the lid | cover 5 by making the collar part 42 of the storage box 2 and the 1st collar part 71 of the lid | cover 5 contact, it is screwed. 9 is not essential to be connected to the storage box 2 and the lid 5. Therefore, the screw 9 can be subjected to rust prevention treatment, loosening prevention treatment, and the like. In addition, since the lid 5 and the storage box 2 can be electrically connected only by attaching the lid 5 to the storage box 2, for example, it is not necessary to connect an electric wire for electrically connecting the lid 5 and the storage box 2 and Improves. Moreover, it is suppressed that the lid | cover 5 and the storage box 2 will be in a non-conduction state by forgetting to connect an electric wire etc. at the time of attachment of the lid | cover 5. FIG. Furthermore, since the electric wire which connects the lid | cover 5 and the storage box 2 is unnecessary, the removal of the lid | cover 5 becomes easy.

また、電気装置１００は、蓄電池モジュール１０１、及び蓄電池モジュール１０１の充放電を制御する充放電装置１０２を含む。蓄電池モジュール１０１、及び充放電装置１０２は、比較的大きい電力を取り扱う装置である。したがって、収納箱２と蓋５とを導通させる必要性が高く、収納箱２と蓋５との間における導通の信頼性が高い本実施形態のキャビネット１を用いることによる効果がより大きくなる。   The electric device 100 includes a storage battery module 101 and a charging / discharging device 102 that controls charging / discharging of the storage battery module 101. The storage battery module 101 and the charge / discharge device 102 are devices that handle relatively large power. Therefore, it is highly necessary to connect the storage box 2 and the lid 5, and the effect of using the cabinet 1 of the present embodiment with high reliability of connection between the storage box 2 and the lid 5 is further increased.

また、収納箱２は、金属製の箱本体３と、第１導電部（鍔部４２）を有し箱本体３と電気的に接続される金属製の第１接触部材４とを有する。蓋５は、金属製の蓋本体６と、第２導電部（第１鍔部７１）を有し蓋本体６と電気的に接続される金属製の第２接触部材７とを有する。   The storage box 2 includes a metal box main body 3 and a metal first contact member 4 having a first conductive portion (a collar portion 42) and electrically connected to the box main body 3. The lid 5 includes a metal lid main body 6 and a metal second contact member 7 that has a second conductive portion (first flange portion 71) and is electrically connected to the lid main body 6.

上記構成により、箱本体３及び蓋本体６を、例えば機械的強度が高い部材（例えば鋼板など）で構成することが可能となる。また、第１接触部材４及び第２接触部材７を、導電性が高く、腐食、電食などが発生しにくい部材（例えば錫（Sn）でメッキされた真鍮、銅合金など）で構成することが可能となる。これにより、収納箱２及び蓋５の機械的強度を向上させ、収納箱２と蓋５との間における導通の信頼性をより向上させることを可能とする。   By the said structure, it becomes possible to comprise the box main body 3 and the cover main body 6 with a member (for example, steel plate etc.) with high mechanical strength, for example. Further, the first contact member 4 and the second contact member 7 are made of a member (eg, brass plated with tin (Sn), copper alloy, etc.) that has high conductivity and is unlikely to generate corrosion, electrolytic corrosion, or the like. Is possible. Thereby, the mechanical strength of the storage box 2 and the lid 5 can be improved, and the reliability of conduction between the storage box 2 and the lid 5 can be further improved.

また、収納箱２及び蓋５の表面を塗装する場合、収納箱２と蓋５との接触部である鍔部４２及び第１鍔部７１の表面は、例えばマスキングテープなどでマスク処理され、塗装後にマスキングテープが取り外されることが望ましい。これにより、塗装時において鍔部４２及び第１鍔部７１との接触面に塗料が付着することを防止され、塗料による鍔部４２と第１鍔部７１との導通不良が抑制される。   Further, when the surfaces of the storage box 2 and the lid 5 are to be painted, the surfaces of the collar part 42 and the first collar part 71 which are the contact parts between the storage box 2 and the lid 5 are masked with, for example, a masking tape and painted. It is desirable to remove the masking tape later. Thereby, it is prevented that a coating material adheres to the contact surface with the collar part 42 and the 1st collar part 71 at the time of coating, and the conduction | electrical_connection defect of the collar part 42 and the 1st collar part 71 by a coating material is suppressed.

また、第２接触部材７は、蓋本体６を挟む第１鍔部７１及び第２鍔部７２と、第１鍔部７１と第２鍔部７２とを繋ぐように形成されねじ９を通す筒部７３とを有する。第１鍔部７１は、第２導電部を構成し、第２鍔部７２は、一面（前面）が蓋本体６の一面（前面）と同じ面上に並ぶ。   The second contact member 7 is a cylinder that is formed so as to connect the first flange 71 and the second flange 72, and the first flange 71 and the second flange 72, sandwiching the lid body 6, and through which the screw 9 is passed. Part 73. The first collar 71 constitutes a second conductive part, and the second collar 72 has one surface (front surface) arranged on the same surface as one surface (front surface) of the lid body 6.

すなわち、第２接触部材７の第２鍔部７２の前面と、蓋本体６の前板部６１の前面とは、段差なく面一となるように構成されている。上記構成により、ねじ９の頭部と、第２鍔部７２の前面及び前板部６１の前面との隙間が小さくなる。これにより、ねじ９の頭部と、前板部６１及び第２鍔部７２との隙間から水が浸入することが抑制される。   In other words, the front surface of the second flange portion 72 of the second contact member 7 and the front surface of the front plate portion 61 of the lid body 6 are configured to be flush with each other. With the above configuration, the gap between the head of the screw 9 and the front surface of the second flange portion 72 and the front surface of the front plate portion 61 is reduced. Thereby, it is suppressed that water permeates from the gap between the head portion of the screw 9 and the front plate portion 61 and the second flange portion 72.

また、収納箱２は、開口部３００の縁の全周にわたって開口部３００から離れる向きに突出して形成され蓋５と対向し第１導電部が設けられるフランジ３０２を有する。フランジ３０２と蓋５との間にパッキン８が設けられ、パッキン８は、第１導電部（鍔部４２）及び第２導電部（第１鍔部７１）を通し、第１導電部（鍔部４２）及び第２導電部（第１鍔部７１）を囲う導電部貫通孔８１を有する。   Further, the storage box 2 has a flange 302 that is formed so as to protrude from the opening 300 over the entire periphery of the edge of the opening 300 and is opposed to the lid 5 and provided with the first conductive portion. A packing 8 is provided between the flange 302 and the lid 5, and the packing 8 passes through the first conductive portion (the flange portion 42) and the second conductive portion (the first flange portion 71), and passes through the first conductive portion (the flange portion). 42) and a conductive part through-hole 81 surrounding the second conductive part (first flange 71).

上記構成により、開口部３００の外側の領域において、ねじ９による収納箱２と蓋５との結合が行われる。さらに、収納箱２と蓋５との接触部である鍔部４２及び第１鍔部７１の周囲は、パッキン８によって囲われている。これにより、ねじ９を伝って収納箱２の内部に水が浸入することが抑制され、防水性を向上させることを可能とする。さらに、パッキン８には、鍔部４２及び第１鍔部７１を通す導通部貫通孔８１が形成されているので、パッキン８が鍔部４２と第１鍔部７１とで挟まれることが抑制され、鍔部４２と第１鍔部７１との接触不良が抑制される。   With the above configuration, the storage box 2 and the lid 5 are coupled to each other by the screw 9 in the region outside the opening 300. Furthermore, the periphery of the collar part 42 and the first collar part 71, which are contact parts between the storage box 2 and the lid 5, is surrounded by the packing 8. Thereby, it is possible to prevent water from entering the inside of the storage box 2 through the screw 9 and to improve waterproofness. Further, since the packing 8 is formed with a through-hole 81 through which the flange 42 and the first flange 71 pass, the sandwiching of the packing 8 between the flange 42 and the first flange 71 is suppressed. In addition, poor contact between the flange 42 and the first flange 71 is suppressed.

また、開口部３００の周囲には水切り溝３０４が形成されており、蓋本体６の側板部６２と箱本体３との隙間から侵入した水は、水切り溝３０４によって受けられて排水されるので、収納箱２の内部に水が浸入することがより抑制される。   Further, a draining groove 304 is formed around the opening 300, and water that has entered from the gap between the side plate 62 of the lid body 6 and the box body 3 is received by the draining groove 304 and drained. It is further suppressed that water enters the inside of the storage box 2.

また、本実施形態の蓄電システム１０は、蓄電池モジュール１０１と、蓄電池モジュール１０１の充放電を制御する充放電装置１０２と、キャビネット１とを備える。キャビネット１は、一面（前面）に開口部３００が形成され蓄電池モジュール１０１及び充放電装置１０２を収納する金属製の収納箱２、及び開口部３００を覆う金属製の蓋５を有する。そして、キャビネット１は、収納箱２に設けられたねじ孔（貫通孔４３）に、蓋５に設けられたねじ貫通孔（貫通孔７４）を介してねじ９が結合することで、収納箱２に蓋５が取り付けられる。収納箱２は、蓋５との対向面から突出する第１導電部（鍔部４２）を有し、第１導電部（鍔部４２）は、ねじ９を通す第１挿通孔（貫通孔７４）を有する。また、蓋５は、収納箱２との対向面から突出する第２導電部（第１鍔部７１）を有し、第２導電部（第１鍔部７１）は、ねじ９を通す第２挿通孔（貫通孔７４）を有する。そして、収納箱２に蓋５が取り付けられることで、第１導電部（鍔部４２）と第２導電部（第１鍔部７１）とが互いに接触し、収納箱２と蓋５とが電気的に接続される。   The power storage system 10 of the present embodiment includes a storage battery module 101, a charge / discharge device 102 that controls charging / discharging of the storage battery module 101, and the cabinet 1. The cabinet 1 has a metal storage box 2 in which an opening 300 is formed on one surface (front surface) and stores the storage battery module 101 and the charge / discharge device 102, and a metal lid 5 that covers the opening 300. The cabinet 1 is connected to the screw hole (through hole 43) provided in the storage box 2 through the screw through hole (through hole 74) provided in the lid 5, so that the storage box 2 A lid 5 is attached to the lid. The storage box 2 has a first conductive part (a collar part 42) that protrudes from a surface facing the lid 5, and the first conductive part (a collar part 42) is a first insertion hole (through hole 74) through which the screw 9 is passed. ). The lid 5 has a second conductive portion (first flange 71) protruding from the surface facing the storage box 2, and the second conductive portion (first flange 71) is a second through which the screw 9 is passed. It has an insertion hole (through hole 74). Then, by attaching the lid 5 to the storage box 2, the first conductive portion (the flange portion 42) and the second conductive portion (the first flange portion 71) are in contact with each other, and the storage box 2 and the lid 5 are electrically connected. Connected.

上記構成により、蓋５を収納箱２に取り付けた状態では、収納箱２と蓋５との接触部である鍔部４２及び第１鍔部７１が露出しないように構成される。したがって、鍔部４２と第１鍔部７１との間に異物などが挟まれることが抑制され、鍔部４２と第１鍔部７１との接触不良が抑制される。これにより、収納箱２と蓋５との間における導通の信頼性が向上する。また、蓄電池モジュール１０１、及び充放電装置１０２は、比較的大きい電力を取り扱う装置である。したがって、収納箱２と蓋５とを導通させる必要性が高く、収納箱２と蓋５との間における導通の信頼性が高い本実施形態のキャビネット１を用いることによる効果がより大きくなる。   With the above configuration, when the lid 5 is attached to the storage box 2, the flange portion 42 and the first flange portion 71 that are contact portions between the storage box 2 and the lid 5 are configured not to be exposed. Accordingly, foreign matter or the like is suppressed from being sandwiched between the collar part 42 and the first collar part 71, and poor contact between the collar part 42 and the first collar part 71 is suppressed. Thereby, the reliability of conduction between the storage box 2 and the lid 5 is improved. The storage battery module 101 and the charge / discharge device 102 are devices that handle relatively large power. Therefore, it is highly necessary to connect the storage box 2 and the lid 5, and the effect of using the cabinet 1 of the present embodiment with high reliability of connection between the storage box 2 and the lid 5 is further increased.

なお、本実施形態では、第１接触部材４と箱本体３とが異なる部材で構成されているが、第１接触部材４と箱本体３とが一体に構成されていてもよい。また、第１接触部材４は、ねじ孔と第１挿通孔とを一体にした貫通孔４３が形成された筒部４１と、第１導電部を構成する鍔部４２とを有する構成であるが、この構成に限定しない。例えば、図４に示すように、第１接触部材４Ａは、第１挿通孔４５を有するリング状の第１導電部４４を備える構成であってもよい。この場合、第１接触部材４Ａは、第１挿通孔４５と、箱本体３のフランジ３０２に形成されたねじ孔３０６とが重なるように、フランジ３０２の前面に取り付けられる。   In addition, in this embodiment, although the 1st contact member 4 and the box main body 3 are comprised by a different member, the 1st contact member 4 and the box main body 3 may be comprised integrally. In addition, the first contact member 4 has a configuration including a cylindrical portion 41 in which a through hole 43 in which a screw hole and a first insertion hole are integrated and a flange portion 42 that constitutes a first conductive portion. The configuration is not limited to this. For example, as illustrated in FIG. 4, the first contact member 4 </ b> A may include a ring-shaped first conductive portion 44 having a first insertion hole 45. In this case, the first contact member 4A is attached to the front surface of the flange 302 so that the first insertion hole 45 and the screw hole 306 formed in the flange 302 of the box body 3 overlap.

また、第２接触部材７と蓋本体６とが異なる部材で構成されているが、第２接触部材７と蓋本体６とが一体に構成されていてもよい。また、第２接触部材７は、ねじ貫通孔と第２挿通孔とを一体にした貫通孔７４が形成された筒部７３と、第２導電部を構成する第１鍔部７１とを有する構成であるが、この構成に限定しない。例えば、図４に示すように、第２接触部材７Ａは、第２挿通孔７６を有するリング状の第２導電部７５を備える構成であってもよい。この場合、第２接触部材７Ａは、第２挿通孔７６と、蓋本体６の前板部６１に形成されたねじ貫通孔６４とが重なるように、前板部６１の後面に取り付けられる。   Moreover, although the 2nd contact member 7 and the lid body 6 are comprised by a different member, the 2nd contact member 7 and the lid body 6 may be comprised integrally. Further, the second contact member 7 includes a cylindrical portion 73 in which a through hole 74 in which a screw through hole and a second insertion hole are integrated, and a first flange portion 71 that constitutes a second conductive portion. However, it is not limited to this configuration. For example, as shown in FIG. 4, the second contact member 7 </ b> A may include a ring-shaped second conductive portion 75 having a second insertion hole 76. In this case, the second contact member 7 </ b> A is attached to the rear surface of the front plate portion 61 so that the second insertion hole 76 and the screw through hole 64 formed in the front plate portion 61 of the lid body 6 overlap.

１ キャビネット
１０蓄電システム
１００ 電気装置
１０１ 蓄電池モジュール
１０２ 充放電装置
２ 収納箱
３ 箱本体
３００ 開口部
３０２ フランジ
３０６ ねじ孔
４、４Ａ 第１接触部材
４２ 鍔部（第１導電部）
４３ 貫通孔（ねじ孔、第１挿通孔）
４４ 第１導電部
４５ 第１挿通孔
５ 蓋
６ 蓋本体
６４ ねじ貫通孔
７、７Ａ 第２接触部材
７１ 第１鍔部（第２導電部）
７２ 第２鍔部
７３ 筒部
７４ 貫通孔（ねじ貫通孔、第２挿通孔）
７５ 第２導電部
７６ 第２挿通孔
８ パッキン
８１ 導電部貫通孔 DESCRIPTION OF SYMBOLS 1 Cabinet 10 Power storage system 100 Electric apparatus 101 Storage battery module 102 Charging / discharging apparatus 2 Storage box 3 Box main body 300 Opening part 302 Flange 306 Screw hole 4, 4A 1st contact member 42 A collar part (1st electroconductive part)
43 Through hole (screw hole, first insertion hole)
44 1st conductive part 45 1st insertion hole 5 Lid 6 Lid main body 64 Screw through-hole 7, 7A 2nd contact member 71 1st collar part (2nd conductive part)
72 2nd collar part 73 cylinder part 74 through-hole (screw through-hole, 2nd insertion hole)
75 Second conductive portion 76 Second insertion hole 8 Packing 81 Conductive portion through hole

Claims (6)

一面に開口部が形成され電気装置を収納する金属製の収納箱、及び前記開口部を覆う金属製の蓋を有し、前記収納箱に設けられたねじ孔に、前記蓋に設けられたねじ貫通孔を介してねじが結合することで、前記収納箱に前記蓋が取り付けられるキャビネットであって、
前記収納箱は、前記蓋との対向面から突出する第１導電部を有し、前記第１導電部は、前記ねじを通す第１挿通孔を有し、
前記蓋は、前記収納箱との対向面から突出する第２導電部を有し、前記第２導電部は、前記ねじを通す第２挿通孔を有し、
前記収納箱に前記蓋が取り付けられることで、前記第１導電部と前記第２導電部とが互いに接触し、前記収納箱と前記蓋とが電気的に接続される
ことを特徴とするキャビネット。 A metal storage box having an opening formed on one side thereof for storing the electric device, and a metal lid for covering the opening, and a screw provided in the cover in a screw hole provided in the storage box A cabinet in which the lid is attached to the storage box by coupling screws through a through hole,
The storage box has a first conductive portion projecting from a surface facing the lid, and the first conductive portion has a first insertion hole through which the screw is passed,
The lid has a second conductive portion that protrudes from a surface facing the storage box, and the second conductive portion has a second insertion hole through which the screw passes.
By attaching the lid to the storage box, the first conductive portion and the second conductive portion are in contact with each other, and the storage box and the lid are electrically connected. 前記電気装置は、蓄電池モジュール、及び前記蓄電池モジュールの充放電を制御する充放電装置を含む
ことを特徴とする請求項１記載のキャビネット。 The cabinet according to claim 1, wherein the electrical device includes a storage battery module and a charge / discharge device that controls charging / discharging of the storage battery module. 前記収納箱は、金属製の箱本体と、前記第１導電部を有し前記箱本体と電気的に接続される金属製の第１接触部材とを有し、
前記蓋は、金属製の蓋本体と、前記第２導電部を有し前記蓋本体と電気的に接続される金属製の第２接触部材とを有する
ことを特徴とする請求項１または２記載のキャビネット。 The storage box includes a metal box main body, and a metal first contact member that has the first conductive portion and is electrically connected to the box main body,
The said lid | cover has a metal lid main body, and the metal 2nd contact member which has the said 2nd electroconductive part and is electrically connected with the said lid | cover main body. Cabinet. 前記第２接触部材は、前記蓋本体を挟む第１鍔部及び第２鍔部と、前記第１鍔部と前記第２鍔部とを繋ぐように形成され前記ねじを通す筒部とを有し、
前記第１鍔部は、前記第２導電部を構成し、
前記第２鍔部は、一面が前記蓋本体の一面と同じ面上に並ぶ
ことを特徴とする請求項３記載のキャビネット。 The second contact member has first and second flange portions sandwiching the lid body, and a cylindrical portion that is formed so as to connect the first flange portion and the second flange portion and passes the screw. And
The first flange portion constitutes the second conductive portion,
The cabinet according to claim 3, wherein one surface of the second flange portion is arranged on the same surface as one surface of the lid body. 前記収納箱は、前記開口部の縁の全周にわたって前記開口部から離れる向きに突出して形成され前記蓋と対向し前記第１導電部が設けられるフランジを有し、
前記フランジと前記蓋との間にパッキンが設けられ、
前記パッキンは、前記第１導電部及び前記第２導電部を通し、前記第１導電部及び前記第２導電部を囲う導電部貫通孔を有する
ことを特徴とする請求項１〜４のいずれか１項に記載のキャビネット。 The storage box has a flange that is formed so as to project away from the opening over the entire periphery of the edge of the opening, is opposed to the lid, and is provided with the first conductive part.
A packing is provided between the flange and the lid,
The said packing has the electroconductive part through-hole which penetrates the said 1st electroconductive part and the said 2nd electroconductive part through the said 1st electroconductive part and the said 2nd electroconductive part. The any one of Claims 1-4 characterized by the above-mentioned. The cabinet according to item 1. 蓄電池モジュールと、
前記蓄電池モジュールの充放電を制御する充放電装置と、
一面に開口部が形成され前記蓄電池モジュール及び前記充放電装置を収納する金属製の収納箱、及び前記開口部を覆う金属製の蓋を有し、前記収納箱に設けられたねじ孔に、前記蓋に設けられたねじ貫通孔を介してねじが結合することで、前記収納箱に前記蓋が取り付けられるキャビネットとを備え、
前記収納箱は、前記蓋との対向面から突出する第１導電部を有し、前記第１導電部は、前記ねじを通す第１挿通孔を有し、
前記蓋は、前記収納箱との対向面から突出する第２導電部を有し、前記第２導電部は、前記ねじを通す第２挿通孔を有し、
前記収納箱に前記蓋が取り付けられることで、前記第１導電部と前記第２導電部とが互いに接触し、前記収納箱と前記蓋とが電気的に接続される
ことを特徴とする蓄電システム。 A storage battery module;
A charge / discharge device for controlling charge / discharge of the storage battery module;
An opening is formed on one surface, and the storage battery module and the metal storage box that stores the charging / discharging device, and a metal lid that covers the opening, the screw hole provided in the storage box, The screw is coupled through a screw through hole provided in the lid, and includes a cabinet to which the lid is attached to the storage box.
The storage box has a first conductive portion projecting from a surface facing the lid, and the first conductive portion has a first insertion hole through which the screw is passed,
The lid has a second conductive portion that protrudes from a surface facing the storage box, and the second conductive portion has a second insertion hole through which the screw passes.
By attaching the lid to the storage box, the first conductive portion and the second conductive portion are in contact with each other, and the storage box and the lid are electrically connected. .
JP2015103936A 2015-05-21 2015-05-21 Cabinet, power storage system Pending JP2016219631A (en)

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JP2018142474A (en) * 2017-02-28 2018-09-13 住友電気工業株式会社 Power storage device, power storage device assembly, and method of assembling power storage device

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* Cited by examiner, † Cited by third party
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