JP2007263816A - Temperature sensing apparatus - Google Patents

Temperature sensing apparatus Download PDF

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JP2007263816A
JP2007263816A JP2006090514A JP2006090514A JP2007263816A JP 2007263816 A JP2007263816 A JP 2007263816A JP 2006090514 A JP2006090514 A JP 2006090514A JP 2006090514 A JP2006090514 A JP 2006090514A JP 2007263816 A JP2007263816 A JP 2007263816A
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battery
temperature sensor
temperature
spring plate
detection unit
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Shinichi Nomoto
伸一 野元
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Furukawa Electric Co Ltd
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Furukawa Electric Co 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

Abstract

<P>PROBLEM TO BE SOLVED: To provide a temperature sensing apparatus for accurately measuring a battery temperature without receiving from a peripheral environment. <P>SOLUTION: The temperature sensing apparatus includes a temperature sensor attaching part 22 formed to be matched with the shape of a temperature sensor 10 on an end 21 of a spring plate 20. and fixes the temperature sensor 10 with the temperature sensor attaching part 22. The spring plate 20 fixes the other end 23 of a reverse side of the end 21 to which the temperature sensor 10 is attached at a prescribed proper position. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、車両用バッテリの温度を測定する温度検知装置に関するものである。   The present invention relates to a temperature detection device that measures the temperature of a vehicle battery.

車両に搭載されているバッテリは、エンジン始動に不可欠のものであり、車両の走行にとって特に重要な機器である。そのため、バッテリの放電や劣化等の不具合を早期に検出できるよう、各種のバッテリ状態検知装置が設置されている。バッテリ状態検知装置は、バッテリの温度や電圧等を測定するためのそれぞれのセンサと、各センサで測定されたデータを処理するバッテリ状態検知ユニットを備えている。
バッテリの温度を測定する温度センサは、温度測定が可能なバッテリ周辺に設置する必要があり、温度センサの設置方法に関する従来技術として、例えば特許文献１に記載のものがある。
特許文献１では、温度センサを含む複数のセンサを、１つの統合された構成ユニットにまとめた固定装置に関する技術が開示されている。該固定装置は、バッテリの１つの端子に固定できる構造とされている。
特表２００３−５１７６１３号 The battery mounted on the vehicle is indispensable for starting the engine, and is a particularly important device for running the vehicle. For this reason, various battery state detection devices are installed so that problems such as battery discharge and deterioration can be detected at an early stage. The battery state detection device includes respective sensors for measuring the temperature, voltage, and the like of the battery, and a battery state detection unit that processes data measured by each sensor.
The temperature sensor for measuring the temperature of the battery needs to be installed around the battery capable of measuring the temperature. For example, Patent Document 1 discloses a conventional technique related to the temperature sensor installation method.
Patent Document 1 discloses a technique related to a fixing device in which a plurality of sensors including temperature sensors are combined into one integrated component unit. The fixing device can be fixed to one terminal of the battery.
Special table 2003-517613

しかしながら、従来の温度センサの設置場所に関しては、以下のような問題があった。通常、車両用バッテリは、エンジンルームなどの厳しい環境の場所に設置されることが多い。そのため、エンジンからの放熱やラジエータファンからの熱風などの影響を受け、温度測定には好ましくない環境となっている。
また、バッテリ温度を測定するためのセンサは、現状、バッテリケースやバッテリユニット内の基板上に取付けられている。このように、温度センサがバッテリに直に接触するように取り付けられていないため、バッテリ温度を正確に測定するのが困難であるといった問題もある。
特許文献１に記載の温度センサの取り付け方法では、バッテリ端子に温度センサが直接取り付けられるようにしているが、エンジンからの放熱やラジエータファンからの熱風などの影響を直接受ける状態で取り付けられている。そのため、特許文献１に記載の温度センサの取り付け方法によっても、バッテリの温度を正確に測定するのが極めて困難である。
そこで、本発明はこれらの問題を解決するためになされたものであり、周辺環境からの影響を受けることなくバッテリの温度を正確に測定可能な温度検知装置を提供することを目的とする。 However, the conventional temperature sensor installation location has the following problems. Usually, a vehicle battery is often installed in a severe environment such as an engine room. Therefore, the environment is unfavorable for temperature measurement under the influence of heat dissipation from the engine and hot air from the radiator fan.
Moreover, the sensor for measuring the battery temperature is currently mounted on a substrate in the battery case or the battery unit. Thus, since the temperature sensor is not attached so as to be in direct contact with the battery, there is a problem that it is difficult to accurately measure the battery temperature.
In the temperature sensor mounting method described in Patent Document 1, the temperature sensor is directly mounted on the battery terminal. However, the temperature sensor is mounted in a state in which it is directly affected by heat dissipation from the engine or hot air from the radiator fan. . Therefore, it is extremely difficult to accurately measure the temperature of the battery even by the temperature sensor mounting method described in Patent Document 1.
Accordingly, the present invention has been made to solve these problems, and an object thereof is to provide a temperature detection device capable of accurately measuring the temperature of a battery without being affected by the surrounding environment.

この発明の温度検知装置の第１の態様は、温度センサと、前記温度センサを一方の端部に固定したばね板とを備え、前記温度センサが前記ばね板で付勢されてバッテリの筐体に押圧されるように、前記ばね板の他方の端部を固定していることを特徴とする温度検知装置である。
第２の態様は、バッテリ状態検知ユニットをさらに備え、前記ばね板の他方の端部が前記バッテリ状態検知ユニット上に固定されていることを特徴とする温度検知装置である。
第３の態様は、前記バッテリ状態検知ユニットが、前記バッテリのバッテリポストに固定されていることを特徴とする温度検知装置である。
第４の態様は、前記温度センサが、前記ばね板で前記バッテリ筐体の側面部に押圧されていることを特徴とする温度検知装置である。
第５の態様は、前記温度センサが、前記ばね板で前記バッテリポスト先端部に押圧されていることを特徴とする温度検知装置である。
第６の態様は、前記ばね板の長さを変えることで、前記温度センサが前記バッテリ筐体を押圧する位置を調整することを特徴とする温度検知装置である。 According to a first aspect of the temperature detection apparatus of the present invention, a temperature sensor and a spring plate having the temperature sensor fixed to one end thereof are provided, and the temperature sensor is urged by the spring plate to form a battery casing. The temperature detecting device is characterized in that the other end of the spring plate is fixed so as to be pressed by the spring.
A 2nd aspect is a temperature detection apparatus further provided with the battery state detection unit, The other edge part of the said spring board is being fixed on the said battery state detection unit.
A third aspect is a temperature detection device, wherein the battery state detection unit is fixed to a battery post of the battery.
A fourth aspect is a temperature detection device, wherein the temperature sensor is pressed against a side surface portion of the battery casing by the spring plate.
According to a fifth aspect, the temperature sensor is characterized in that the temperature sensor is pressed against the tip of the battery post by the spring plate.
A sixth aspect is a temperature detection device characterized in that the position at which the temperature sensor presses the battery housing is adjusted by changing the length of the spring plate.

以上説明したように本発明によれば、ラジエータファンからの熱風などの周辺環境からの影響を受けることなくバッテリの温度を正確に測定可能な温度検知装置を提供することができる。   As described above, according to the present invention, it is possible to provide a temperature detection device capable of accurately measuring the temperature of a battery without being affected by the surrounding environment such as hot air from a radiator fan.

図面を参照して本発明の好ましい実施の形態における温度検知装置の構成について詳細に説明する。なお、同一機能を有する各構成部については、図示及び説明簡略化のため、同一符号を付して示す。
図１は、本発明の実施の形態に係る温度検知装置を示す斜視図であって、温度検知装置１は温度センサ１０をバネ板２０の一端に取り付けた構造を有している。バネ板２０の端部２１には、温度センサ１０の形状に合わせて形成された温度センサ取り付け部２２が設けられており、温度センサ取り付け部２２で温度センサ１０を固定している。
バネ板２０は、温度センサ１０がばね板２０で付勢されてバッテリの筐体に押圧されるように、温度センサ１０を取り付けた端部２１とは反対側の他方の端部２３を所定の適切な位置に固定する。これにより、外部から振動等を受けても、温度センサ１０を常に前記バッテリ筐体に密着させるようにすることができ、前記バッテリの温度を正確に測定することが可能となる。
本発明の温度検知装置が、さらにバッテリ状態検知ユニットを備える場合には、バネ板２０を該バッテリ状態検知ユニットに固定することができる。バネ板２０が前記バッテリ状態検知ユニットに固定された本発明の別の実施形態を図２に示す。図２において、（ａ）はばね板２０がバッテリ状態検知ユニット３０に固定された本実施形態の温度検知装置２を示しており、（ｂ）は温度検知装置２がバッテリ筐体４０に固定された状態を示している。
バッテリ状態検知ユニット３０は、温度センサ１０で測定されたセンサ信号を温度データに変換するものである。また、前記温度データを用いて、例えば所定の閾値と比較して異常を検知する等の機能をさらに有しているものであってもよい。
図２（ａ）に示す実施例のバッテリ状態検知ユニット３０は、一部が略直角に曲げられた形状を有しており、さらに先端に固定部３１を有している。固定部３１は，バッテリ状態検知ユニット３０をバッテリ筐体４０に固定するのに用いられるものであり、図２（ｂ）に示すように、バッテリポスト４１に固定できるように形成されている。
固定部３１を図２（ｂ）のようにバッテリポスト４１に固定したとき、バネ板２０及び温度センサ１０はバッテリ筐体４０の側面部４２に位置するようになる。図２（ｂ）では、バネ板２０が温度センサ１０をバッテリ筐体４０に押圧するよう、バッテリ状態検知ユニット３０をバッテリ筐体４０の側面部４２に近接させて固定している。
上記のようにバッテリ状態検知ユニット３０をバッテリポスト４１に固定することにより、温度センサ１０がバネ板２０によって付勢されてバッテリ筐体４０に押圧されるようになる。その結果、例えば外部から振動などを受けても、温度センサ１０はバッテリ筐体４０から離れないようにすることが可能となる。
本発明のさらに別の実施形態の温度検知装置を図３に示す。図３に示す本実施形態の温度検知装置３では、図２に示すバネ板２０より長いバネ板５０を備えている。バッテリ状態検知ユニット３０をバッテリポスト４１を用いて固定する場合、バッテリ状態検知ユニット３０の設置位置はバッテリポスト４１の近傍に限られてしまう。
しかしながら、バッテリ温度の好ましい測定位置はバッテリポスト４１に近い位置に限られず、例えば側面部４２の中央部付近の温度を測定するのが好ましいこともある。そこで、図３に示す実施例では、ばね板２０の長さのみを調整することで、温度センサ１０が温度測定の好適な位置でバッテリ筐体４０に押圧されるようにしている。これにより、温度測定をさらに精度よく行うことが可能となる。
上記実施形態では、バッテリ状態検知ユニット３０がバッテリ筐体４０の側面近傍に位置し、固定部３１でバッテリポスト４１に固定されるようにしていた。そして、温度センサ１０をバッテリ状態検知ユニット３０に固定することにより、温度センサ１０がバッテリ筐体４０の側面部４２に押圧されるように配置していた。これに対し、温度センサ１０及びバッテリ状態検知ユニット３０をバッテリポスト４１に取り付けることによって、温度センサ１０の設置をよりコンパクトにすることも可能である。
バッテリポスト４１に取り付けられた本発明のさらに別の実施形態の温度検知装置を図４に示す。図４に示す温度検知装置４では、バッテリ状態検知ユニット６０がバッテリポスト４１全体を覆うように、バッテリ筐体４０に取り付けられている。また、バネ板２０の温度センサ１０が取り付けられた端部２１とは反対側の端部２３を、バッテリ状態検知ユニット６０の内側表面に固定している。
バネ板２０を上記のように取り付けることにより、端部２１に取り付けられた温度センサ１０は、バネ板２０に付勢されてバッテリポスト４１に押圧される。この場合、図２または図３に示す温度センサ１０の取り付け位置に比べて、バネ板２０の長さを十分短くすることができる。また、温度センサ１０がバッテリ状態検知ユニット６０で全体を覆われるようになることから、温度センサ１０を周辺環境の影響から保護することも可能となる。
なお、本実施の形態における記述は、本発明に係る温度検知装置の一例を示すものであり、これに限定されるものではない。本実施の形態における温度検知装置の細部構成及び詳細な動作等に関しては、本発明の趣旨を逸脱しない範囲で適宜変更可能である。 With reference to the drawings, a configuration of a temperature detection device in a preferred embodiment of the present invention will be described in detail. In addition, about each structural part which has the same function, the same code | symbol is attached | subjected and shown for simplification of illustration and description.
FIG. 1 is a perspective view showing a temperature detection device according to an embodiment of the present invention. The temperature detection device 1 has a structure in which a temperature sensor 10 is attached to one end of a spring plate 20. The end portion 21 of the spring plate 20 is provided with a temperature sensor attachment portion 22 formed in accordance with the shape of the temperature sensor 10, and the temperature sensor 10 is fixed by the temperature sensor attachment portion 22.
The spring plate 20 has a predetermined end 23 on the side opposite to the end 21 to which the temperature sensor 10 is attached so that the temperature sensor 10 is urged by the spring plate 20 and pressed against the battery casing. Fix in place. Thereby, even if it receives a vibration etc. from the outside, the temperature sensor 10 can always be brought into close contact with the battery casing, and the temperature of the battery can be accurately measured.
When the temperature detection device of the present invention further includes a battery state detection unit, the spring plate 20 can be fixed to the battery state detection unit. FIG. 2 shows another embodiment of the present invention in which the spring plate 20 is fixed to the battery state detection unit. 2A shows the temperature detection device 2 of the present embodiment in which the spring plate 20 is fixed to the battery state detection unit 30, and FIG. 2B shows the temperature detection device 2 fixed to the battery housing 40. Shows the state.
The battery state detection unit 30 converts the sensor signal measured by the temperature sensor 10 into temperature data. The temperature data may be further used, for example, to detect an abnormality compared with a predetermined threshold.
The battery state detection unit 30 of the embodiment shown in FIG. 2A has a shape that is partially bent at a substantially right angle, and further has a fixing portion 31 at the tip. The fixing portion 31 is used to fix the battery state detection unit 30 to the battery housing 40, and is formed so as to be fixed to the battery post 41 as shown in FIG.
When the fixing portion 31 is fixed to the battery post 41 as shown in FIG. 2B, the spring plate 20 and the temperature sensor 10 are positioned on the side surface portion 42 of the battery housing 40. In FIG. 2B, the battery state detection unit 30 is fixed close to the side surface portion 42 of the battery housing 40 so that the spring plate 20 presses the temperature sensor 10 against the battery housing 40.
By fixing the battery state detection unit 30 to the battery post 41 as described above, the temperature sensor 10 is urged by the spring plate 20 and pressed against the battery housing 40. As a result, for example, the temperature sensor 10 can be prevented from being separated from the battery housing 40 even when receiving vibration or the like from the outside.
FIG. 3 shows a temperature detection device according to still another embodiment of the present invention. 3 includes a spring plate 50 which is longer than the spring plate 20 shown in FIG. When the battery state detection unit 30 is fixed using the battery post 41, the installation position of the battery state detection unit 30 is limited to the vicinity of the battery post 41.
However, the preferable measurement position of the battery temperature is not limited to the position close to the battery post 41, and for example, it may be preferable to measure the temperature near the center of the side surface portion 42. Therefore, in the embodiment shown in FIG. 3, only the length of the spring plate 20 is adjusted so that the temperature sensor 10 is pressed against the battery housing 40 at a suitable position for temperature measurement. Thereby, temperature measurement can be performed with higher accuracy.
In the above embodiment, the battery state detection unit 30 is positioned in the vicinity of the side surface of the battery housing 40 and is fixed to the battery post 41 by the fixing portion 31. Then, the temperature sensor 10 is fixed to the battery state detection unit 30 so that the temperature sensor 10 is pressed against the side surface portion 42 of the battery housing 40. On the other hand, it is possible to make the installation of the temperature sensor 10 more compact by attaching the temperature sensor 10 and the battery state detection unit 30 to the battery post 41.
FIG. 4 shows a temperature detection device according to still another embodiment of the present invention attached to the battery post 41. In the temperature detection device 4 shown in FIG. 4, the battery state detection unit 60 is attached to the battery housing 40 so as to cover the entire battery post 41. Further, the end 23 of the spring plate 20 opposite to the end 21 to which the temperature sensor 10 is attached is fixed to the inner surface of the battery state detection unit 60.
By attaching the spring plate 20 as described above, the temperature sensor 10 attached to the end portion 21 is urged by the spring plate 20 and pressed against the battery post 41. In this case, the length of the spring plate 20 can be sufficiently shortened compared to the mounting position of the temperature sensor 10 shown in FIG. Further, since the temperature sensor 10 is entirely covered with the battery state detection unit 60, the temperature sensor 10 can be protected from the influence of the surrounding environment.
In addition, the description in this Embodiment shows an example of the temperature detection apparatus which concerns on this invention, and is not limited to this. The detailed configuration and detailed operation of the temperature detection device in the present embodiment can be changed as appropriate without departing from the spirit of the present invention.

図１は、本発明の実施の形態に係る温度検知装置を示す斜視図である。FIG. 1 is a perspective view showing a temperature detection device according to an embodiment of the present invention. 図２は、本発明の別の実施の形態に係る温度検知装置を示す模式図である。FIG. 2 is a schematic diagram showing a temperature detection device according to another embodiment of the present invention. 図３は、本発明のさらに別の実施の形態に係る温度検知装置を示す模式図である。FIG. 3 is a schematic diagram showing a temperature detection device according to still another embodiment of the present invention. 図４は、本発明のさらに別の実施の形態に係る温度検知装置を示す模式図である。FIG. 4 is a schematic diagram showing a temperature detection device according to still another embodiment of the present invention.

符号の説明Explanation of symbols

１，２，３，４・・・温度検知装置
１０・・・温度センサ
２０、５０・・・ばね板
２１、２３・・・端部
２２・・・温度センサ取り付け部
３０、６０・・・バッテリ状態検知ユニット
３１・・・固定部
４０・・・バッテリ筐体
４１・・・バッテリポスト
４２・・・側面部 1, 2, 3, 4 ... temperature detection device 10 ... temperature sensor 20, 50 ... spring plate 21, 23 ... end 22 ... temperature sensor mounting part 30, 60 ... battery State detection unit 31 ... fixed portion 40 ... battery casing 41 ... battery post 42 ... side portion

Claims (6)

温度センサと
前記温度センサを一方の端部に固定したばね板とを備え、
前記温度センサが前記ばね板で付勢されてバッテリの筐体に押圧されるように、前記ばね板の他方の端部を固定している
ことを特徴とする温度検知装置。 A temperature sensor and a spring plate fixed to one end of the temperature sensor;
The temperature detecting device characterized in that the other end of the spring plate is fixed so that the temperature sensor is urged by the spring plate and pressed against the housing of the battery. バッテリ状態検知ユニットをさらに備え、
前記ばね板の他方の端部が前記バッテリ状態検知ユニット上に固定されている
ことを特徴とする請求項１に記載の温度検知装置。 A battery state detection unit;
The temperature detection device according to claim 1, wherein the other end of the spring plate is fixed on the battery state detection unit. 前記バッテリ状態検知ユニットは、前記バッテリのバッテリポストに固定されている
ことを特徴とする請求項２に記載の温度検知装置。 The temperature detection device according to claim 2, wherein the battery state detection unit is fixed to a battery post of the battery. 前記温度センサが、前記ばね板で前記バッテリ筐体の側面部に押圧されている
ことを特徴とする請求項１から請求項３のいずれか１項に記載の温度検知装置。 The temperature sensor according to any one of claims 1 to 3, wherein the temperature sensor is pressed against a side surface of the battery casing by the spring plate. 前記温度センサが、前記ばね板で前記バッテリポスト先端部に押圧されている
ことを特徴とする請求項１から請求項３のいずれか１項に記載の温度検知装置。 The temperature sensor according to any one of claims 1 to 3, wherein the temperature sensor is pressed against the tip of the battery post by the spring plate. 前記ばね板の長さを変えることで、前記温度センサが前記バッテリ筐体を押圧する位置を調整する
ことを特徴とする請求項１から請求項３のいずれか１項に記載の温度検知装置。 4. The temperature detection device according to claim 1, wherein a position where the temperature sensor presses the battery housing is adjusted by changing a length of the spring plate. 5.
JP2006090514A 2006-03-29 2006-03-29 Temperature sensing apparatus Pending JP2007263816A (en)

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JP2009146574A (en) * 2007-12-11 2009-07-02 Furukawa Electric Co Ltd:The Battery sensor module
JP2011069744A (en) * 2009-09-26 2011-04-07 Asuka Denshi Kk Temperature measuring device for test of electronic component
JP2011085425A (en) * 2009-10-13 2011-04-28 Tdk Corp Thermistor device
JP2013140019A (en) * 2011-12-28 2013-07-18 Yazaki Corp Structure for fixing temperature detector
JP2014044850A (en) * 2012-08-27 2014-03-13 Auto Network Gijutsu Kenkyusho:Kk Attachment structure for temperature sensor
JP2014089912A (en) * 2012-10-31 2014-05-15 Auto Network Gijutsu Kenkyusho:Kk Wiring module
FR3017457A1 (en) * 2014-02-11 2015-08-14 Turbomeca DEVICE FOR FIXING A SENSOR ON A PIECE
JP2016054117A (en) * 2014-09-04 2016-04-14 株式会社Ｇｓユアサ Power storage device
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Publication number Priority date Publication date Assignee Title
JP2009146574A (en) * 2007-12-11 2009-07-02 Furukawa Electric Co Ltd:The Battery sensor module
JP2011069744A (en) * 2009-09-26 2011-04-07 Asuka Denshi Kk Temperature measuring device for test of electronic component
JP2011085425A (en) * 2009-10-13 2011-04-28 Tdk Corp Thermistor device
JP2013140019A (en) * 2011-12-28 2013-07-18 Yazaki Corp Structure for fixing temperature detector
JP2014044850A (en) * 2012-08-27 2014-03-13 Auto Network Gijutsu Kenkyusho:Kk Attachment structure for temperature sensor
JP2014089912A (en) * 2012-10-31 2014-05-15 Auto Network Gijutsu Kenkyusho:Kk Wiring module
FR3017457A1 (en) * 2014-02-11 2015-08-14 Turbomeca DEVICE FOR FIXING A SENSOR ON A PIECE
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JP2016054117A (en) * 2014-09-04 2016-04-14 株式会社Ｇｓユアサ Power storage device
JP2019212531A (en) * 2018-06-06 2019-12-12 矢崎総業株式会社 Protection device and battery pack
CN112366385A (en) * 2020-09-30 2021-02-12 广东广晟通信技术有限公司 Battery thermal protection mechanism of communication equipment

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