JP2002246074A - Set battery - Google Patents

Set battery

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Publication number
JP2002246074A
JP2002246074A JP2001036049A JP2001036049A JP2002246074A JP 2002246074 A JP2002246074 A JP 2002246074A JP 2001036049 A JP2001036049 A JP 2001036049A JP 2001036049 A JP2001036049 A JP 2001036049A JP 2002246074 A JP2002246074 A JP 2002246074A
Authority
JP
Japan
Prior art keywords
battery
temperature sensor
circuit board
printed circuit
temperature
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
JP2001036049A
Other languages
Japanese (ja)
Inventor
Haruki Yoshimuta
治喜 吉牟田
Original Assignee
Japan Storage Battery Co Ltd
日本電池株式会社
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.)
Filing date
Publication date
Application filed by Japan Storage Battery Co Ltd, 日本電池株式会社 filed Critical Japan Storage Battery Co Ltd
Priority to JP2001036049A priority Critical patent/JP2002246074A/en
Publication of JP2002246074A publication Critical patent/JP2002246074A/en
Application status is Pending legal-status Critical

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Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage
    • Y02E60/12Battery technologies with an indirect contribution to GHG emissions mitigation

Abstract

PROBLEM TO BE SOLVED: To provide a set battery which can make accurate measurement of temperature inside the battery.
SOLUTION: Terminals 12, 12 of plural batteries 11 are electrically connected with each other through connection bars 30, disposed on a printed circuit board 20 and by bolts 31 for fixing the connection bars 30 to the printed circuit board 20 and the terminals 12. A temperature sensor 40 is fixed to the connection bar 30, and leads 43 led out from the temperature sensor 40 are soldered to circuit patterns 23 formed on the printed circuit board 20.
COPYRIGHT: (C)2002,JPO

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は、温度センサを備えた組電池に関する。 The present invention relates to relates to a battery assembly equipped with a temperature sensor.

【0002】 [0002]

【従来の技術】電池の充電電圧や放電電圧は温度によって変化するため、電池を効率よく使用するためには、電池の温度情報が必要となる。 Because the charge voltage and discharge voltage of the Related Art A battery is changed by temperature, in order to efficiently use the battery, it is necessary to temperature information of the battery.

【0003】電池の温度情報を得るために、従来は、電池本体あるいは電池ケースの表面に温度センサを貼り付けることにより温度測定を行っている。 [0003] To obtain the temperature information of the battery, prior art has performed the temperature measured by attaching a temperature sensor to the surface of the cell body or the battery case. しかし、電池内部と電池本体あるいは電池ケースの表面とは温度差があり、また貼り付け方や貼り付け位置等により測定値が変化してしまうために、電池内部の温度を正確に測定できないという問題がある。 However, there is a temperature difference between the battery inside and the battery body or battery casing surface, in order to measure the bonding Tsukekata and pasting position and the like or is changed, can not be accurately measured the temperature of the battery is there. また、電池内部の温度を正確に測定するために、温度センサを電池に内蔵することが考えられるが、そのような構成は技術的、コスト的に困難である。 Further, in order to accurately measure the temperature of the battery, it is conceivable to built-in temperature sensor in the battery, such a configuration is technically a cost difficult.

【0004】そこで、例えば特開昭60−195882 [0004] Thus, for example, JP-A-60-195882
号公報に記載されているように、電池内部の熱を伝達し易い端子に、温度センサを取り付ける構成が考えられている。 No. As described in JP, the easy terminal transmits the heat inside the battery, configured to mount the temperature sensor is considered. しかし、そうすると端子が大きくなって電池の小型化を阻む要因となるという問題がある。 However, this has a problem in that the terminal is increased a factor preventing the size of the battery.

【0005】 [0005]

【発明が解決しようとする課題】本発明は上記事情に鑑みてなされたものであって、端子を大型化しなくても電池の内部の温度を精度よく測定することが可能な組電池を提供することを目的とするものである。 [SUMMARY OF THE INVENTION The present invention was made in view of the above circumstances, to provide a battery pack that can be even without upsizing the terminal to accurately measure the temperature of the battery it is an object of the present invention.

【0006】 [0006]

【課題を解決するための手段】上記課題を解決するための請求項1の発明は、複数の電池の端子間を接続体によって接続してなる組電池において、前記接続体に温度センサを設けたところに特徴を有する。 The invention of claim 1 for solving the above problems, there is provided a means for solving], in a plurality of assembled battery formed by connecting the connecting member between the terminals of the battery, provided with a temperature sensor to the connecting body having the features in place.

【0007】また請求項2の発明は、請求項1の発明において、前記接続体はプリント基板上に配され、前記温度センサのリードが前記プリント基板上に形成された回路パターンに接続されているところに特徴を有する。 [0007] The invention of claim 2 is the invention of claim 1, wherein the connecting member is disposed on the printed circuit board, the temperature sensor leads are connected to a circuit pattern formed on the printed circuit board having the features in place.

【0008】 [0008]

【発明の作用および効果】上記請求項1の発明において、接続体を構成する金属は一般的に電気伝導性のみならず熱伝導率にも優れるから、電池の内部の熱は端子から接続体に迅速に伝達される。 In [Function and Effect of the Invention] The inventors of the preceding claims 1, since the metal constituting the connecting body is excellent in general thermal conductivity not electrically conductive only, the heat in the battery to connector from the terminal It is rapidly transmitted. このため、接続体の温度は、電池内部の温度を正確にかつ迅速に反映したものとなり、ここに設けられた温度センサによって正確に測定されることとなる。 Therefore, the temperature of the connecting body, tend to reflect accurately and rapidly the temperature within the battery, and be accurately measured by a temperature sensor provided here. なお、温度センサは全ての接続体に取り付けてもよいし、1つの接続体にのみ取り付けてもよい。 Incidentally, the temperature sensor may be attached to all the connecting member may be attached to only one connecting body. また、組電池に本来的に必要な接続体を利用しているから、温度センサを端子に取り付ける構成に比べて端子を小型化でき、しかも、温度センサの取付構造の自由度も高いため、組電池の小型化が可能であるという効果を奏する。 Also, because they utilize inherently connected body required for the assembled battery, can reduce the size of the terminal as compared with the configuration of attaching the temperature sensor to the terminal, moreover, because of the high degree of freedom of the mounting structure for a temperature sensor, a set there is an effect that it is possible to miniaturize the battery.

【0009】また、請求項2の発明によれば、温度センサにより測定された電池内部の温度情報は、プリント基板上に形成された回路パターンを利用して温度測定回路に伝達される。 [0009] According to the invention of claim 2, the temperature information of the battery measured by the temperature sensor is transmitted to the temperature measuring circuit using a circuit pattern formed on a printed circuit board. よって、組電池の構造を簡略化することができ、さらに組電池を小型化させることが可能であるという効果を奏する。 Therefore, it is possible to simplify the structure of the assembled battery, there is an effect that it is possible to miniaturize further the battery pack.

【0010】 [0010]

【発明の実施の形態】以下、本発明を具体化した一実施形態について図1ないし図3を参照して説明する。 BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described with reference to FIGS. 1 to 3 for embodying an embodiment. 図1 Figure 1
は本実施形態の組電池10の斜視図である。 Is a perspective view of the battery pack 10 of the present embodiment. 組電池10 The battery pack 10
は、複数の互いに隣り合う電池11,11の各端子1 The respective terminals of the batteries 11 adjacent a plurality of mutually 1
2,12間を、プリント基板20上に配された平板状をなす銅製の接続バー30(接続体)により例えば直列に接続したものである。 Between 2 and 12, which are connected for example in series by copper connecting bar 30 forming the disposed tabular the printed circuit board 20 on (connection member).

【0011】具体的には、各電池11は断面が長円形の円柱形状であり、その上面に正極および負極の2つの端子12,12が露出している。 [0011] Specifically, each battery 11 in cross section is oval cylindrical shape, the two terminals 12, 12 of the positive electrode and the negative electrode on the upper surface thereof is exposed. 各端子12,12は、図2および図3の断面図に示すように、電池11の上面から上方に突出しているとともに、その中央部分には後述するボルト31と螺合する接続孔(図示せず)が形成されている。 Each terminal 12 and 12, as shown in the sectional view of FIG. 2 and FIG. 3, the projects from the upper surface of the battery 11 upward to engage with the bolt 31 to be described later connection hole (shown in the center portion It not) is formed.

【0012】各電池11の上方には、プリント基板20 [0012] Above each battery 11, printed circuit board 20
が配される。 It is disposed. このプリント基板20には、電池11の各端子12,12に対応する位置に、後述するボルト31 The printed circuit board 20 at positions corresponding to the terminals 12, 12 of the battery 11, described later bolts 31
を貫通させるための位置決め孔21,21が予め形成されている。 It is previously formed positioning holes 21, 21 for passing the. また、所定の一対の位置決め孔21,21の間には透孔22が形成されている。 Further, through holes 22 are formed between the predetermined pair of positioning holes 21 and 21. さらに、プリント基板20の表面には、後述する温度センサ40のリード4 Further, on the surface of the printed circuit board 20, the temperature sensor 40 to be described later lead 4
3とコネクタ(図示せず)とを接続させるための回路パターン23が形成されている。 Circuit pattern 23 for connecting the 3 and a connector (not shown) is formed.

【0013】そして、プリント基板20の上面には、互いに隣り合う電池11,11間を直列接続するために、 [0013] Then, the upper surface of the printed circuit board 20, in order to be connected in series between batteries 11 adjacent to each other,
複数本の前記接続バー30が縦横に固定されている。 The connection bar 30 of the plurality of are fixed vertically and horizontally. この接続バー30の両端には、一対のボルト挿通孔32, At both ends of the connection bars 30, a pair of bolt insertion holes 32,
32がバーリング加工により形成され、このボルト挿通孔32にボルト31を貫通させ得るようになっている。 32 is formed by burring, so that the can is passed through the bolt 31 into the bolt insertion hole 32.
また、複数本の接続バー30のうち、所定のものには後述する温度センサ40を固定するための固定孔33が、 Further, among the plurality of connection bars 30, the fixing hole 33 for the predetermined ones for fixing the temperature sensor 40 to be described later,
上述した一対のボルト挿通孔32,32間のほぼ中央部に同じくバーリング加工により形成されている。 It is formed similarly by burring in a substantially central portion between the pair of bolt insertion holes 32, 32 described above.

【0014】そして、その所定の接続バー30の中央には、温度センサ40が固定される。 [0014] Then, the center of the predetermined connecting bar 30, the temperature sensor 40 is fixed. この温度センサ40 The temperature sensor 40
は、センサ本体41と、センサ本体41から延設された取付部42と、センサ本体41の取付部42の反対側から導出された2本のリード43,43とから構成されている。 It includes a sensor body 41, a mounting portion 42 extending from the sensor body 41, and a two leads 43, 43 Metropolitan derived from the opposite side of the mounting portion 42 of the sensor body 41. このリード43は、センサ本体41から水平に導出された後、下方へ直角に屈曲した形状となっている。 The leads 43, after being horizontally derived from the sensor main body 41, and has a right angle bent shape downwardly.
なお、取付部42の中央には、ビス45を貫通させるためのビス孔44が形成されている。 Incidentally, in the center of the mounting portion 42, the screw holes 44 for passing the screws 45 are formed.

【0015】図2および図3に示すように、プリント基板20の位置決め孔21内に、バーリング加工により接続バー30の下方に突出したボルト挿通孔32の端部が受け入れられて固定されている。 [0015] As shown in FIGS. 2 and 3, into the positioning holes 21 of the printed circuit board 20, the end portion of the bolt insertion hole 32 is fixed accepted projecting downward of the connection bar 30 by burring. この接続バー30のボルト挿通孔32にボルト31を挿入して端子12と螺合することにより、電池11をプリント基板20および接続バー30に一体化されている。 By screwing the terminals 12 by inserting the bolts 31 into the bolt insertion holes 32 of the connection bar 30 are integrated with battery 11 to the printed circuit board 20 and the connecting bar 30. またこのボルト31 Also, this bolt 31
は、電池11と接続バー30とを、電気的に接続した状態としている。 Is in a state where the connecting bar 30 and the battery 11, and electrically connected.

【0016】さらに、所定の接続バー30に形成された固定孔33の下方に突出した端部が、プリント基板20 Furthermore, an end portion protruding below the fixing hole 33 is formed in a predetermined connecting bar 30, the printed circuit board 20
の透孔22内に受け入れられており、この固定孔33に温度センサ40のビス孔44を連通させてビス45で螺合することにより、温度センサ40が接続バー30に固定されている。 Has been received in the through hole 22, by screwing the screw hole 44 of the temperature sensor 40 to the fixing hole 33 by screws 45 communicates, the temperature sensor 40 is fixed to the connecting bar 30. この温度センサ40のセンサ本体41は接続バー30と伝熱的に接触した状態となっている。 The sensor body 41 of the temperature sensor 40 is in a state of contact with the heat conductive connection bar 30. また、温度センサ40のリード43は、プリント基板20 The lead 43 of the temperature sensor 40, the printed circuit board 20
の回路パターン23と半田付けにより電気的に接続されている。 It is electrically connected by the circuit pattern 23 soldered.

【0017】上述した本実施形態の組電池10によれば、電池11の内部の温度変化は端子12から金属製で熱伝導率に優れるボルト31および接続バー30に速やかに伝わり、接続バー30上に固定された温度センサ4 According to the assembled battery 10 of the present embodiment described above, the internal temperature variation of the battery 11 is transmitted rapidly from the terminal 12 to the bolt 31 and the connecting bar 30 has excellent thermal conductivity metal, the connection bar 30 above temperature sensor 4 fixed to
0により精度よく測定される。 It is accurately measured by zero. また、この温度センサ4 Further, the temperature sensor 4
0はプリント基板20の回路パターン23と電気的に接続された状態であるので、測定された温度情報は迅速にコネクタに伝達される。 0 Since the circuit pattern 23 and the electrically connected state of the printed circuit board 20, the measured temperature information is transmitted quickly to the connector. このように、本実施形態の組電池10によれば、電池内部の正確な温度情報を得ることができる上、温度センサ40の取付構造の自由度も高く、情報伝達の構成も簡略化されているので、組電池の小型化が可能であるという優れた作用効果を奏する。 Thus, according to the battery pack 10 of the present embodiment, on can obtain accurate temperature information inside the battery, the degree of freedom of the mounting structure of the temperature sensor 40 is high, the configuration of the communication be simplified because there, exhibits an excellent effect that it is possible to miniaturize the battery pack.

【0018】<他の実施形態>本発明は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も本発明の技術的範囲に含まれ、さらに、下記以外にも要旨を逸脱しない範囲内で種々変更して実施することができる。 [0018] <Other Embodiments> The present invention is included in the technical scope of the above description and is not limited to the embodiment described by the drawings, the following embodiments are also present invention, furthermore, the following it can be carried out even when various changes without departing from the gist than.

【0019】(1)上記実施形態では、温度センサを接続バーにビス留めする構成としたが、これに限らず、押さえ板等により固定する構成としてもよく、要は温度センサと接続バーとが伝熱的に接触する構成であればどのような形態でもよい。 [0019] (1) In the above embodiment, a configuration for screwing temperature sensor connection bars, not limited thereto, may be configured to fix the holding plate, etc., in short the temperature sensor and connection bars it may be any form as long as the configuration for heat transfer contact.

【0020】(2)上記実施形態では、プリント基板の上面に温度情報を伝達する回路パターンを形成する構成としたが、これに限らず、下面側に形成する構成としてもよい。 [0020] (2) In the above embodiment, a configuration for forming a circuit pattern for transmitting the temperature information to the upper surface of the printed circuit board is not limited thereto, it may be configured to be formed on the lower surface side.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の組電池の一実施形態を示す斜視図 Perspective view showing an embodiment of a battery pack of the present invention; FIG

【図2】同じく図1のII−II断面図 [Figure 2] Similarly II-II sectional view of FIG. 1

【図3】同じく図1のIII−III断面図 [Figure 3] Similarly III-III sectional view of FIG. 1

【符号の説明】 DESCRIPTION OF SYMBOLS

10…組電池 11…電池 12…端子 13…接続孔 20…プリント基板 23…回路パターン 30…接続バー 31…ボルト 40…温度センサ 43…リード 10 ... battery assembly 11 ... Battery 12 ... terminal 13 ... contact hole 20 ... printed circuit board 23 ... circuit pattern 30 ... connecting bar 31 ... bolt 40 ... Temperature sensor 43 ... Lead

Claims (2)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 複数の電池の端子間を接続体によって接続してなる組電池において、前記接続体に温度センサを設けたことを特徴とする組電池。 1. A plurality of assembled battery formed by connecting the connecting member between the terminals of the battery, the battery pack, characterized in that a temperature sensor to the connecting member.
  2. 【請求項2】 前記接続体はプリント基板上に配され、 Wherein said connecting member is disposed on the printed circuit board,
    前記温度センサのリードが前記プリント基板上に形成された回路パターンに接続されていることを特徴とする請求項1に記載の組電池。 Assembled battery according to claim 1, characterized in that the temperature sensor leads are connected to a circuit pattern formed on the printed circuit board.
JP2001036049A 2001-02-13 2001-02-13 Set battery Pending JP2002246074A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001036049A JP2002246074A (en) 2001-02-13 2001-02-13 Set battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001036049A JP2002246074A (en) 2001-02-13 2001-02-13 Set battery

Publications (1)

Publication Number Publication Date
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Family Applications (1)

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Country Status (1)

Country Link
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JP2006252792A (en) * 2005-03-08 2006-09-21 Elna Co Ltd Connection structure of storage element and storage element module
JP2010123517A (en) * 2008-11-21 2010-06-03 Yazaki Corp Bus bar device and battery liquid temperature estimation device
WO2010030605A3 (en) * 2008-09-09 2010-07-01 Johnson Controls - Saft Advanced Power Solutions Llc Interconnection washer assembly for a battery assembly
JP2010160931A (en) * 2009-01-07 2010-07-22 Mitsubishi Motors Corp Retention structure of secondary battery
JP2010218797A (en) * 2009-03-16 2010-09-30 Kyoei Denshi Kk Metal member built-in base board, battery pack using the same, vehicle, and apparatus
EP2259365A1 (en) * 2009-06-04 2010-12-08 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Device for detecting abnormality in a secondary battery
JP2011086634A (en) * 2010-12-24 2011-04-28 Mitsubishi Motors Corp Holding structure of secondary battery
US7935438B2 (en) * 2004-05-04 2011-05-03 Samsung Sdi Co., Ltd. Secondary battery module
WO2012007428A1 (en) * 2010-07-15 2012-01-19 Elringklinger Ag Cell connector
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US20120169117A1 (en) * 2011-01-04 2012-07-05 Jong-Doo Park Battery system and electric vehicle including the same
JP2012182133A (en) * 2011-03-02 2012-09-20 Samsung Sdi Co Ltd Battery pack
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WO2014010419A1 (en) * 2012-07-11 2014-01-16 日産自動車株式会社 Battery assembly
DE102013010329A1 (en) 2013-06-20 2014-07-31 Volkswagen Aktiengesellschaft Measuring tap for measuring voltage of cells in vehicle battery for e.g. electric car, has common housing receiving combination of poles and/or pole connectors of vehicle battery, and electrically conducting contact tongue
DE102013207535A1 (en) * 2013-04-25 2014-10-30 Lisa Dräxlmaier GmbH Pole connection plate for a battery
US20150023392A1 (en) * 2013-07-18 2015-01-22 Samsung Sdi Co., Ltd. Battery pack
US8962168B2 (en) 2011-04-04 2015-02-24 Hitachi Automotive Systems, Ltd. Storage battery module
JP2015072878A (en) * 2013-10-04 2015-04-16 三菱重工業株式会社 Battery monitoring device and threshold setting method
DE102010064667B3 (en) 2010-07-15 2019-06-27 Elringklinger Ag Cell connector and electrochemical device

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US7935438B2 (en) * 2004-05-04 2011-05-03 Samsung Sdi Co., Ltd. Secondary battery module
US8465867B2 (en) 2004-05-04 2013-06-18 Samsung Sdi Co., Ltd. Secondary battery module
JP4632353B2 (en) * 2005-03-08 2011-02-23 エルナー株式会社 Storage element connection structure and storage element module
JP2006252792A (en) * 2005-03-08 2006-09-21 Elna Co Ltd Connection structure of storage element and storage element module
US8313855B2 (en) 2007-08-02 2012-11-20 Johnson Controls—SAFT Advanced Power Solutions LLC Interconnection washer assembly for a battery assembly
US8541130B2 (en) 2007-08-02 2013-09-24 Johnson Controls—SAFT Advanced Power Solutions LLC Interconnectors for a battery assembly
CN102197509B (en) * 2008-09-09 2014-11-26 江森自控帅福得先进能源动力系统有限责任公司 Interconnection washer assembly for a battery assembly
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