JP4748952B2 - Battery temperature measuring device - Google Patents

Battery temperature measuring device Download PDF

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Publication number
JP4748952B2
JP4748952B2 JP2004166815A JP2004166815A JP4748952B2 JP 4748952 B2 JP4748952 B2 JP 4748952B2 JP 2004166815 A JP2004166815 A JP 2004166815A JP 2004166815 A JP2004166815 A JP 2004166815A JP 4748952 B2 JP4748952 B2 JP 4748952B2
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battery
temperature sensor
temperature
measuring device
case
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JP2005347152A (en
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学 橋倉
克巳 西谷
修二 眞山
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Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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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

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Description

本発明は、バッテリの温度を測定するためのバッテリ温度測定装置の改良に関するものである。   The present invention relates to an improvement in a battery temperature measuring device for measuring the temperature of a battery.

例えば、自動車等に搭載されるバッテリの取付構造としては、一般に、バッテリトレイ上に搭載されたバッテリを、バッテリ固定治具でバッテリトレイへ押さえ付けて着脱自在に固定する構造とされている。   For example, an attachment structure for a battery mounted on an automobile or the like is generally a structure in which a battery mounted on a battery tray is pressed against the battery tray with a battery fixing jig and is detachably fixed.

また、バッテリの温度を測定するための温度センサを配置し、該温度センサによりバッテリの温度を測定して、バッテリの充電制御やバッテリの状態把握等の制御に利用されていた。   In addition, a temperature sensor for measuring the temperature of the battery is arranged, and the temperature of the battery is measured by the temperature sensor, which is used for control such as charge control of the battery and grasping of the state of the battery.

そして、従来の温度センサの配置においては、バッテリ交換の必要性から、温度センサをバッテリトレイの下に備えられた差込口から差し込んで装着し、バッテリトレイ下側の温度を測定することにより、その測定された温度をバッテリ内部温度とみなしていた。   And in the arrangement of the conventional temperature sensor, from the necessity of battery replacement, by inserting the temperature sensor from the insertion port provided under the battery tray and mounting it, and measuring the temperature under the battery tray, The measured temperature was regarded as the battery internal temperature.

しかしながら、バッテリトレイを介して測定した温度であるため、温度の測定精度に劣るという問題があった。   However, since the temperature is measured through the battery tray, there is a problem that the temperature measurement accuracy is inferior.

そこで、本発明の解決しようとする課題は、バッテリ温度の測定精度向上を図ったバッテリ温度測定装置を提供することにある。   Therefore, the problem to be solved by the present invention is to provide a battery temperature measuring device that improves the measurement accuracy of the battery temperature.

上記課題を解決すべく、請求項１に記載の発明によれば、バッテリ固定治具の治具固定部に対する固定により、バッテリトレイ上に載置されたバッテリが、前記バッテリ固定治具によるバッテリトレイへの押圧力で固定保持されると共に、バッテリの温度測定用の温度センサが設けられたバッテリ温度測定装置において、前記温度センサが前記バッテリのバッテリケース表面に接触状態で前記バッテリ固定治具に保持され、前記バッテリ固定治具は弾性を有し、一端部が前記治具固定部に固定され、バッテリの上面に接離自在に弾接する上面弾接部と、バッテリの側面に接離自在に弾接する側面弾接部とを備え、側面弾接部の前記バッテリケースを押圧する部位で、かつバッテリケースに面した部位に前記温度センサが設けられた構造にした点にある。 In order to solve the above problem, according to the first aspect of the present invention, the battery placed on the battery tray is fixed to the battery tray by the battery fixing jig by fixing the battery fixing jig to the jig fixing portion. In the battery temperature measuring device that is fixed and held by the pressing force to the battery and is provided with a temperature sensor for measuring the temperature of the battery, the temperature sensor is held by the battery fixing jig in contact with the battery case surface of the battery The battery fixing jig has elasticity, one end is fixed to the jig fixing part, and an upper surface elastic contact part that comes in contact with and separates from the upper surface of the battery, and an elastic member that comes in contact with and separates from the side of the battery. and a side elastic contacting portion contacting, at a site to press the battery case side elastic contacting portion, and the temperature sensor at a site facing the battery case has the structure provided Located in.

さらに、請求項２に記載の発明のように、前記温度センサが、前記バッテリ固定治具の前記バッテリケースを押圧するケース押圧面に内蔵配置されている構造としてもよい。 Further, as in a second aspect of the present invention, the temperature sensor may be built in a case pressing surface that presses the battery case of the battery fixing jig.

また、請求項３に記載の発明のように、前記温度センサが押圧される前記バッテリケースの部位が、バッテリ液面より下側とされている構造としてもよい。 Further, as in a third aspect of the present invention, a portion of the battery case where the temperature sensor is pressed may be lower than the battery liquid level.

さらに、請求項４に記載の発明のように、前記温度センサにおける前記バッテリケースに面した部位以外が断熱材で覆われている構造としてもよい。 Further, as in the invention described in claim 4 , a structure in which a portion other than the portion facing the battery case in the temperature sensor is covered with a heat insulating material may be adopted.

請求項１に記載の発明によれば、温度センサがバッテリのバッテリケース表面に接触状態でバッテリ固定治具に保持された構造とされており、温度センサをバッテリケースに直接接触させているため、従来のようにバッテリトレイを介してバッテリ温度を測定する場合と比較して、バッテリ温度の測定精度向上が図れる。   According to the first aspect of the present invention, the temperature sensor is configured to be held by the battery fixing jig in contact with the battery case surface of the battery, and the temperature sensor is in direct contact with the battery case. Compared to the conventional case where the battery temperature is measured via the battery tray, the measurement accuracy of the battery temperature can be improved.

さらに、請求項１に記載の発明によれば、バッテリ固定治具は弾性を有し、一端部が前記治具固定部に固定され、バッテリの上面に接離自在に弾接する上面弾接部と、バッテリの側面に接離自在に弾接する側面弾接部とを備え、側面弾接部の前記バッテリケースを押圧する部位で、かつバッテリケースに面した部位に前記温度センサが設けられた構造としているため、バッテリ固定治具の弾性により温度センサはバッテリに押圧状態とされており、常に接触した状態が確保でき、この点からもバッテリ温度の測定精度向上が図れる。 Furthermore, according to the first aspect of the present invention, the battery fixing jig has elasticity, one end portion is fixed to the jig fixing portion, and the upper surface elastic contact portion that elastically contacts the upper surface of the battery is provided. , and a side elastic contacting portion on the side surface of the battery separable freely bullet contacting a location to press the battery case side elastic contacting portion, and a structure in which the temperature sensor at a site facing the battery case is provided Therefore, the temperature sensor is pressed against the battery due to the elasticity of the battery fixing jig, and the state where the temperature sensor is always in contact can be secured. Also from this point, the measurement accuracy of the battery temperature can be improved.

しかも、バッテリ交換に際しては、バッテリ固定治具に温度センサが設けられているため、交換作業に何ら手間がかからず、交換後もバッテリの同じ高さ位置に温度センサは押圧状態で接触されるため、測定精度も良好に保持できる利点がある。   Moreover, since the temperature sensor is provided in the battery fixing jig when replacing the battery, the replacement work does not require any trouble, and the temperature sensor is kept in contact with the same height position of the battery even after replacement. Therefore, there is an advantage that the measurement accuracy can be maintained well.

また、請求項２に記載の発明によれば、温度センサが、バッテリ固定治具のバッテリケースを押圧するケース押圧面に内蔵配置されているため、バッテリ交換に際しても何ら支障を生じず、使い勝手に優れる利点がある。 According to the invention described in claim 2 , since the temperature sensor is built in the case pressing surface that presses the battery case of the battery fixing jig, it does not cause any trouble even when the battery is replaced, and is easy to use. There are excellent advantages.

さらに、請求項３に記載の発明によれば、温度センサが押圧されるバッテリケースの部位が、バッテリ液面より下側とされているため、バッテリの温度変化に対する応答性に優れ、この点からもバッテリ温度の測定精度のより向上が図れる。 Furthermore, according to the third aspect of the invention, since the portion of the battery case where the temperature sensor is pressed is located below the battery liquid level, the battery is excellent in responsiveness to temperature changes. The battery temperature measurement accuracy can be further improved.

また、請求項４に記載の発明によれば、温度センサにおけるバッテリケースに面した部位以外が断熱材で覆われているため、断熱材の断熱機能により、バッテリケースに面した部分以外からの熱の流入を抑止することができ、バッテリケースを通して、バッテリ温度を精度良く測定することができる。
According to the invention described in claim 4 , since the portion other than the portion facing the battery case in the temperature sensor is covered with the heat insulating material, the heat from the portion other than the portion facing the battery case is provided by the heat insulating function of the heat insulating material. The battery temperature can be accurately measured through the battery case.

以下、本発明の第１の実施形態を図面に基づいて説明すると、図１は例えば、車両に搭載されるバッテリ１部分の概略説明図を示しており、ボンネット内部に配置されたバッテリトレイ２上にバッテリ１が載置されると共に、バッテリ固定治具３により着脱自在に固定された構造とされている。   Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows, for example, a schematic explanatory diagram of a part of a battery 1 mounted on a vehicle, on a battery tray 2 arranged inside a bonnet. The battery 1 is mounted on the battery 1 and is fixed to the battery fixing jig 3 in a detachable manner.

このバッテリ固定治具３は、ステンレス材等の弾性を有した細長帯状の金属板が適宜屈曲形成されてなり、その一端部３ａが治具固定部としての車体フレーム等からなる強度メンバー４上に突設配置された雄ネジ軸４ａに挿通状に装着されると共に、その上方に突出した雄ネジ軸４ａにナット５が着脱自在に螺合締結されて、バッテリ固定治具３が強度メンバー４に固定されている。   The battery fixing jig 3 is formed by appropriately bending an elastic strip-like metal plate made of stainless steel or the like, and one end portion 3a of the battery fixing jig 3 on a strength member 4 made of a vehicle body frame or the like as a jig fixing portion. The battery fixing jig 3 is attached to the strength member 4 by being inserted into the protruding male screw shaft 4a so as to be inserted therethrough, and the nut 5 being detachably screwed to the male screw shaft 4a protruding upward. It is fixed.

また、バッテリ固定治具３は、強度メンバー４に対するその一端部３ａの固定により、バッテリ１の上面に接離自在に弾接される上面弾接部３ｂと、バッテリ１の側面に接離自在に弾接される側面弾接部３ｃとを備え、バッテリ固定治具３の他端部３ｄである側面弾接部３ｃの下端部には、バッテリケース１ａ側面を押圧する部位で、かつバッテリケース１ａに面した部位、いわゆるケース押圧面３ｅに、バッテリ１の温度測定用の温度センサ７が接着やネジ止め等により固定されている。なお、この温度センサ７としては、例えばサーミスタ等が利用され、従来同様、適宜配線を通じてその検出信号が取り出される構造とされている。   Further, the battery fixing jig 3 is fixed to the strength member 4 so that the one end portion 3 a is fixed to the upper surface elastic contact portion 3 b that is elastically contacted with the upper surface of the battery 1 and the side surface of the battery 1. A side elastic contact portion 3c that is elastically contacted, and the lower end portion of the side elastic contact portion 3c that is the other end portion 3d of the battery fixing jig 3 is a portion that presses the side surface of the battery case 1a and the battery case 1a. A temperature sensor 7 for measuring the temperature of the battery 1 is fixed to the portion facing the surface, that is, a so-called case pressing surface 3e by bonding, screwing or the like. As the temperature sensor 7, for example, a thermistor is used, and the detection signal is appropriately extracted through wiring as in the past.

さらに、この温度センサ７のバッテリケース１ａに対する接触位置は、バッテリケース１ａ内に所望量が充填されるバッテリ液のバッテリ液面１ｂよりも下側位置となるように構成されている。   Further, the contact position of the temperature sensor 7 with respect to the battery case 1a is configured to be lower than the battery liquid level 1b of the battery liquid that fills the battery case 1a with a desired amount.

そして、バッテリトレイ２上の所望位置にバッテリ１を載置した状態で、強度メンバー４にバッテリ固定治具３を固定すれば、バッテリ固定治具３の弾性変形により、上面弾接部３ｂでバッテリ１の上面をバッテリトレイ２方向に押圧付勢すると共に、バッテリ１の側面を側面弾接部３ｃで押圧付勢して、バッテリトレイ２上にバッテリ１がバッテリ固定治具３による押圧力で固定保持された状態が得られる。   If the battery fixing jig 3 is fixed to the strength member 4 in a state where the battery 1 is placed at a desired position on the battery tray 2, the battery is fixed at the upper surface elastic contact portion 3 b by elastic deformation of the battery fixing jig 3. 1 is pressed and urged in the direction of the battery tray 2, and the side surface of the battery 1 is pressed and urged by the side elastic contact portion 3 c, so that the battery 1 is fixed on the battery tray 2 by the pressing force of the battery fixing jig 3. A held state is obtained.

この際、側面弾接部３ｃ下端部に設けられた温度センサ７は、側面弾接部３ｃの弾性変形による押圧力でバッテリ１側面に押圧された接触状態で保持される。   At this time, the temperature sensor 7 provided at the lower end portion of the side elastic contact portion 3c is held in a contact state where the temperature sensor 7 is pressed against the side surface of the battery 1 by the pressing force generated by the elastic deformation of the side elastic contact portion 3c.

本実施形態は以上のように構成されており、バッテリ１の装着状態で、温度センサ７がバッテリケース１ａの側面に直接接触された構造とされているため、従来のようにバッテリトレイを介して間接的にバッテリの温度を測定する場合と比較して、バッテリ１の温度を直接測定する構造であり、しかも、バッテリ固定治具３の弾性によりバッテリケース１ａの側面に押圧状態とされているため、常に接触した状態が確保でき、バッテリ１温度の測定状態が安定しており、バッテリ１温度の測定精度向上が図れる。   The present embodiment is configured as described above, and has a structure in which the temperature sensor 7 is in direct contact with the side surface of the battery case 1a when the battery 1 is mounted. Compared with the case where the temperature of the battery is indirectly measured, the temperature of the battery 1 is directly measured, and further, the battery fixing jig 3 is elastically pressed against the side surface of the battery case 1a. Therefore, it is possible to ensure the state of contact at all times, the measurement state of the battery 1 temperature is stable, and the measurement accuracy of the battery 1 temperature can be improved.

この際、温度センサ７が押圧されるバッテリケース１ａの部位が、バッテリ液面１ｂより下側とされているため、バッテリ１の温度変化に対する応答性に優れ、この点からもバッテリ１温度の測定精度のより向上が図れる。   At this time, since the part of the battery case 1a to which the temperature sensor 7 is pressed is located below the battery liquid level 1b, the battery 1 is excellent in responsiveness to a temperature change. The accuracy can be further improved.

また、バッテリ１交換に際しても、バッテリ固定治具３に温度センサ７が設けられているため、交換作業に何ら手間がかからず、交換後もバッテリ１の同じ高さ位置に温度センサ７は押圧状態で接触されるため、測定精度も良好に保持できる利点がある。   In addition, when the battery 1 is replaced, the temperature sensor 7 is provided in the battery fixing jig 3, so that the replacement work does not require any trouble, and the temperature sensor 7 is pressed to the same height position of the battery 1 after the replacement. Since the contact is made in the state, there is an advantage that the measurement accuracy can be maintained well.

図２は第２の実施形態を示しており、前記第１の実施形態と同様構成部分は同一符号を付し、その説明を省略する。   FIG. 2 shows a second embodiment, and the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

即ち、本実施形態においては、温度センサ７が側面弾接部３ｃ下端部である他端部３ｄのケース押圧面３ｅに表面露出状として内蔵配置された構造とされている。   In other words, in the present embodiment, the temperature sensor 7 is built in and disposed on the case pressing surface 3e of the other end 3d which is the lower end of the side elastic contact portion 3c.

従って、第１の実施形態と同様の効果を奏すると共に、温度センサ７が内蔵配置されているため、バッテリ固定治具３全体としてコンパクトに構成でき、温度センサ７を有さない従来同様のバッテリ固定治具３と同様に扱え、バッテリ交換に際しても何ら支障を生じず、使い勝手に優れる利点がある。   Therefore, the same effect as that of the first embodiment is achieved, and the temperature sensor 7 is built in, so that the battery fixing jig 3 as a whole can be configured compactly, and the conventional battery fixing without the temperature sensor 7 is possible. It can be handled in the same manner as the jig 3 and has the advantage of being easy to use without causing any trouble when replacing the battery.

図３は第３の実施形態を示しており、前記第１の実施形態と同様構成部分は同一符号を付し、その説明を省略する。   FIG. 3 shows a third embodiment, and the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

即ち、本実施形態においては、温度センサ７が側面弾接部３ｃ下端部である他端部３ｄの下側に、温度センサ７が設けられ、バッテリケース１ａの表面に押圧状態で接触される構造とされている。この際、温度センサ７におけるバッテリケース１ａに面した部位以外の周囲が断熱樹脂材等の断熱材９で覆われた構造とされている。なお、第１の実施形態や第２の実施形態のような構造にあっては、断熱材９で、温度センサ７を保持する他端部３ｄと共に温度センサ７を覆う構造とすればよい。   That is, in the present embodiment, the temperature sensor 7 is provided below the other end 3d, which is the lower end of the side elastic contact portion 3c, and is in contact with the surface of the battery case 1a in a pressed state. It is said that. At this time, the periphery of the temperature sensor 7 other than the portion facing the battery case 1a is covered with a heat insulating material 9 such as a heat insulating resin material. In addition, what is necessary is just to make it the structure which covers the temperature sensor 7 with the other end part 3d which hold | maintains the temperature sensor 7 with the heat insulating material 9, in the structure like 1st Embodiment or 2nd Embodiment.

従って、第１の実施形態と同様の効果を奏すると共に、温度センサ７におけるバッテリケース１ａに面した部位以外が断熱材９で覆われているため、バッテリケース１ａに面した部分以外からの熱の流入を抑止することができ、バッテリケース１ａを通して、バッテリ１温度を精度良く測定することができる利点がある。   Accordingly, the same effect as that of the first embodiment is achieved, and the heat sensor 9 covers the temperature sensor 7 except for the portion facing the battery case 1a, so that the heat from the portion other than the portion facing the battery case 1a is covered. There is an advantage that the inflow can be suppressed and the temperature of the battery 1 can be accurately measured through the battery case 1a.

なお、上記各実施形態においては、車両のバッテリ１に採用した構造を示しているが、バッテリ１を搭載する構造のものであればよく、車両に何ら限定されない。   In addition, in each said embodiment, although the structure employ | adopted as the battery 1 of the vehicle is shown, what is necessary is just a structure which mounts the battery 1, and is not limited to a vehicle at all.

また、バッテリ固定治具３が弾性を有した構造を示しているが、温度センサ７をバッテリ１のバッテリケース１ａ表面に接触した状態で保持できれば、弾性を有さないバッテリ固定治具３であってもよい。   Further, although the battery fixing jig 3 has a structure having elasticity, if the temperature sensor 7 can be held in contact with the surface of the battery case 1 a of the battery 1, the battery fixing jig 3 does not have elasticity. May be.

本発明の第１の実施形態に係る側面説明図である。It is side surface explanatory drawing which concerns on the 1st Embodiment of this invention. 第２の実施形態に係る側面説明図である。It is side surface explanatory drawing which concerns on 2nd Embodiment. 第３の実施形態に係る側面説明図である。It is side surface explanatory drawing which concerns on 3rd Embodiment.

符号の説明Explanation of symbols

１ バッテリ
１ａ バッテリケース
１ｂ バッテリ液面
２ バッテリトレイ
３ バッテリ固定治具
３ａ 一端部
３ｂ 上面弾接部
３ｃ 側面弾接部
３ｄ 他端部
３ｅ ケース押圧面
４ 強度メンバー
７ 温度センサ
９ 断熱材 DESCRIPTION OF SYMBOLS 1 Battery 1a Battery case 1b Battery liquid level 2 Battery tray 3 Battery fixing jig 3a One end part 3b Upper surface elastic contact part 3c Side surface elastic contact part 3d Other end part 3e Case pressing surface 4 Strength member 7 Temperature sensor 9 Heat insulating material

Claims (4)

バッテリ固定治具の治具固定部に対する固定により、バッテリトレイ上に載置されたバッテリが、前記バッテリ固定治具によるバッテリトレイへの押圧力で固定保持されると共に、バッテリの温度測定用の温度センサが設けられたバッテリ温度測定装置において、
前記温度センサが前記バッテリのバッテリケース表面に接触状態で前記バッテリ固定治具に保持され、
前記バッテリ固定治具は弾性を有し、一端部が前記治具固定部に固定され、バッテリの上面に接離自在に弾接する上面弾接部と、バッテリの側面に接離自在に弾接する側面弾接部とを備え、側面弾接部の前記バッテリケースを押圧する部位で、かつバッテリケースに面した部位に前記温度センサが設けられたことを特徴とするバッテリ温度測定装置。 By fixing the battery fixing jig to the jig fixing portion, the battery placed on the battery tray is fixed and held by the pressing force to the battery tray by the battery fixing jig, and the temperature for measuring the temperature of the battery In the battery temperature measuring device provided with the sensor,
The temperature sensor is held by the battery fixing jig in contact with the battery case surface of the battery,
The battery fixing jig has elasticity, one end thereof is fixed to the jig fixing part, and an upper surface elastic contact portion that is elastically contactable with the upper surface of the battery, and a side surface that is elastically contactable with the side surface of the battery A battery temperature measuring device comprising: an elastic contact portion , wherein the temperature sensor is provided at a portion of the side elastic contact portion that presses the battery case and faces the battery case. 請求項１に記載のバッテリ温度測定装置において、
前記温度センサが、前記バッテリ固定治具の前記バッテリケースを押圧するケース押圧面に内蔵配置されていることを特徴とするバッテリ温度測定装置。 The battery temperature measuring device according to claim 1,
The battery temperature measuring device, wherein the temperature sensor is disposed on a case pressing surface that presses the battery case of the battery fixing jig. 請求項１または請求項２に記載のバッテリ温度測定装置において、
前記温度センサが押圧される前記バッテリケースの部位が、バッテリ液面より下側とされていることを特徴とするバッテリ温度測定装置。 In the battery temperature measuring device according to claim 1 or 2,
The battery temperature measuring device, wherein a portion of the battery case where the temperature sensor is pressed is located below the battery liquid level. 請求項１ないし請求項３のいずれかに記載のバッテリ温度測定装置において、
前記温度センサにおける前記バッテリケースに面した部位以外が断熱材で覆われていることを特徴とするバッテリ温度測定装置。 In the battery temperature measuring device according to any one of claims 1 to 3,
The battery temperature measuring device, wherein a portion other than the portion facing the battery case in the temperature sensor is covered with a heat insulating material.
JP2004166815A 2004-06-04 2004-06-04 Battery temperature measuring device Expired - Fee Related JP4748952B2 (en)

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JP5435442B2 (en) * 2008-02-26 2014-03-05 古河電気工業株式会社 Battery state detection sensor device
JP5137653B2 (en) * 2008-03-26 2013-02-06 古河電気工業株式会社 Current sensor device
JP5435928B2 (en) * 2008-11-21 2014-03-05 矢崎総業株式会社 Bus bar device and battery liquid temperature estimating device
KR101084969B1 (en) 2009-09-15 2011-11-23 주식회사 엘지화학 Battery Module Having Temperature Sensor and Battery Pack Employed with the Same
KR102233776B1 (en) * 2014-01-28 2021-03-30 삼성에스디아이 주식회사 Battery module
KR102256481B1 (en) * 2017-03-30 2021-05-27 주식회사 엘지에너지솔루션 Charging and discharging device for battery cell and inspection system for battery cell comprising the same
CN112366385B (en) * 2020-09-30 2023-03-17 广东广晟通信技术有限公司 Battery thermal protection mechanism of communication equipment

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