JPH08115711A - Battery pack - Google Patents
Battery packInfo
- Publication number
- JPH08115711A JPH08115711A JP6249426A JP24942694A JPH08115711A JP H08115711 A JPH08115711 A JP H08115711A JP 6249426 A JP6249426 A JP 6249426A JP 24942694 A JP24942694 A JP 24942694A JP H08115711 A JPH08115711 A JP H08115711A
- Authority
- JP
- Japan
- Prior art keywords
- outer frame
- battery pack
- terminal
- thermal deformation
- assembled battery
- 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
Links
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は外枠の熱変形を防止する
ようにした電池パックに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery pack designed to prevent thermal deformation of an outer frame.
【０００２】[0002]
【従来の技術】従来の電池パックを図３〜図５を参照し
て説明する。外部接続端子４には放電時に大電流が流れ
るため放射熱６が発生し、図４に示すように外枠２は局
部的に高温になり熱変形８する。外枠２が熱変形８した
電池パック１を充電器９に接続すると、熱変形８が電池
挿入穴１１の底面に衝突して電池パック１は、奥まで挿
入されず外部接続端子４と接触片１０は接触しないため
充電できない。2. Description of the Related Art A conventional battery pack will be described with reference to FIGS. Radiant heat 6 is generated in the external connection terminal 4 when a large current flows at the time of discharge, and the outer frame 2 locally becomes high temperature and is thermally deformed 8 as shown in FIG. When the battery pack 1 in which the outer frame 2 is thermally deformed 8 is connected to the charger 9, the thermal deformation 8 collides with the bottom surface of the battery insertion hole 11 and the battery pack 1 is not inserted all the way to the external connection terminal 4 and the contact piece. Since 10 does not touch, it cannot be charged.
【０００３】[0003]
【発明が解決しようとする課題】従来の電池パック１
は、放電時の外部接続端子４の発熱で外枠２が熱変形し
充電できなくなるという問題があった。本発明の目的
は、上記した従来技術の欠点をなくし、電池パック外枠
の熱変形を抑え、充電不能となるのを回避することであ
る。DISCLOSURE OF THE INVENTION Conventional battery pack 1
However, there is a problem that the outer frame 2 is deformed by heat due to the heat generation of the external connection terminal 4 during discharging, and charging cannot be performed. An object of the present invention is to eliminate the above-mentioned drawbacks of the prior art, suppress thermal deformation of the outer frame of the battery pack, and avoid incapability of charging.
【０００４】[0004]
【課題を解決するための手段】上記目的は、熱伝導性シ
ートを外部接続端子と外枠との間に挿入することにより
達成される。The above object is achieved by inserting a heat conductive sheet between the external connection terminal and the outer frame.
【０００５】[0005]
【作用】上記のように構成された電池パックは、外部接
続端子からの放射熱を外部接続端子と外枠との間に挿入
した熱伝導性シートにより広い範囲に分散されるので、
局部的な温度上昇が抑えられ外枠の熱変形が防止され、
充電不能となるのを回避できる。In the battery pack constructed as described above, the radiant heat from the external connection terminals is dispersed in a wide range by the heat conductive sheet inserted between the external connection terminals and the outer frame.
The local temperature rise is suppressed and thermal deformation of the outer frame is prevented,
You can avoid becoming unable to charge.
【０００６】[0006]
【実施例】本発明電池パックの一実施例を図１、図２に
示す。電池パック１は、組電池３の外部接続端子４とそ
れらを収納する外枠２との間に、熱伝導性シート５が挿
入されている。EXAMPLE An example of the battery pack of the present invention is shown in FIGS. In the battery pack 1, a heat conductive sheet 5 is inserted between the external connection terminals 4 of the battery pack 3 and the outer frame 2 that houses them.
【０００７】図２において、電池パック１を例えば電池
工具に装着して作業を行うと、外部接続端子４には大電
流が流れるため、外部接続端子４からの放射熱６を熱伝
導性シート５で広い範囲に分散させ、その分散された熱
７を外枠２に伝え放出するため外枠２には熱変形が生じ
ない。In FIG. 2, when the battery pack 1 is mounted on, for example, a battery tool and a work is performed, a large current flows through the external connection terminal 4, so that radiant heat 6 from the external connection terminal 4 is transferred to the heat conductive sheet 5. Is dispersed in a wide range, and the dispersed heat 7 is transmitted to the outer frame 2 and discharged, so that the outer frame 2 is not thermally deformed.
【０００８】[0008]
【発明の効果】本発明によれば、熱伝導性シートを外部
接続端子と外枠との間に挿入させたので、外枠の熱変形
を防止することができ、充電不能を回避することができ
る。According to the present invention, since the heat conductive sheet is inserted between the external connection terminal and the outer frame, it is possible to prevent thermal deformation of the outer frame and avoid inability to charge. it can.
【図１】 本発明電池パックの一実施例を示す断面図。FIG. 1 is a sectional view showing an embodiment of a battery pack of the present invention.
【図２】 図１の放電状態を示す断面図。FIG. 2 is a cross-sectional view showing the discharge state of FIG.
【図３】 従来の電池パックの一例を示す断面図。FIG. 3 is a cross-sectional view showing an example of a conventional battery pack.
【図４】 図３の側面図。FIG. 4 is a side view of FIG.
【図５】 図３の電池パックを充電器に挿入した状態を
示す断面図。5 is a cross-sectional view showing a state in which the battery pack of FIG. 3 is inserted in a charger.
図において、１は電池パック、２は外枠、３は組電池、
４は外部接続端子、５は熱伝導性シートである。In the figure, 1 is a battery pack, 2 is an outer frame, 3 is an assembled battery,
Reference numeral 4 is an external connection terminal, and 5 is a heat conductive sheet.
Claims (1)
池を収納する外枠からなる電池パックであって、 前記外部接続端子と外枠との間に熱伝導性シートを挿入
したことを特徴とする電池パック。1. A battery pack comprising an assembled battery provided with an external connection terminal and an outer frame for housing the assembled battery, wherein a heat conductive sheet is inserted between the external connection terminal and the outer frame. Battery pack characterized by.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6249426A JPH08115711A (en) | 1994-10-14 | 1994-10-14 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6249426A JPH08115711A (en) | 1994-10-14 | 1994-10-14 | Battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08115711A true JPH08115711A (en) | 1996-05-07 |
Family
ID=17192803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6249426A Pending JPH08115711A (en) | 1994-10-14 | 1994-10-14 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08115711A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999005748A1 (en) * | 1997-07-25 | 1999-02-04 | Minnesota Mining And Manufacturing Company | Rechargeable thin-film electrochemical generator |
-
1994
- 1994-10-14 JP JP6249426A patent/JPH08115711A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999005748A1 (en) * | 1997-07-25 | 1999-02-04 | Minnesota Mining And Manufacturing Company | Rechargeable thin-film electrochemical generator |
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