JPH07111883B2 - High power battery pack - Google Patents
High power battery packInfo
- Publication number
- JPH07111883B2 JPH07111883B2 JP61305180A JP30518086A JPH07111883B2 JP H07111883 B2 JPH07111883 B2 JP H07111883B2 JP 61305180 A JP61305180 A JP 61305180A JP 30518086 A JP30518086 A JP 30518086A JP H07111883 B2 JPH07111883 B2 JP H07111883B2
- Authority
- JP
- Japan
- Prior art keywords
- battery
- rubber
- ptc element
- battery pack
- jacket
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
-
- 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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- 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
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は高出力電池パックに関し，より詳細には、温
度上昇に伴って比較的狭い温度域で電気抵抗が急増する
性質〔PTC特性（positive temperature coefficien
t）〕を有する抵抗素子、即ち、PTC素子を備えた高出力
電池パックに関する。Description: TECHNICAL FIELD The present invention relates to a high-power battery pack, and more specifically, to a property that electric resistance rapidly increases in a relatively narrow temperature range as temperature rises [PTC characteristics (positive temperature coefficien
t)] having a resistance element, that is, a PTC element.
電池を含む回路において、回路の配線の短絡又は回路構
成素子の破壊による短絡等によつて、回路に組込まれた
電池から過剰な電流が流れ、電池の急激な消耗および回
路の致命的破壊を招き、特に高出力電池である場合、大
電流が流れて電池自体が発熱して爆発するなどの危険が
ある。したがつて、高出力電池などの電池には、保護素
子としてPTC素子が設けられている。このPTC素子は、回
路が短絡などしたときジュール熱に基づく自己発熱によ
り抵抗値が増大して過電流を所定の電流以下に制限し他
方その短絡が取除かれたとき回路が復帰するものであ
る。In a circuit that includes a battery, an excessive current flows from the battery incorporated in the circuit due to a short circuit in the circuit wiring or a short circuit due to the destruction of circuit components, which causes rapid battery consumption and fatal circuit damage. Especially, in the case of a high output battery, there is a danger that a large current flows and the battery itself generates heat and explodes. Therefore, batteries such as high-power batteries are provided with PTC elements as protective elements. In this PTC element, the resistance value increases due to self-heating due to Joule heat when the circuit is short-circuited and the overcurrent is limited to a predetermined current or less, while the circuit is restored when the short-circuit is removed. .
このPTC特性を有する物質として、種々の物質が開発さ
れており、例えば、BaTiO3に１価または３価の金属酸化
物を添加したセラミック系のもの、ポリエチレンなどの
重合体に導電性物質が分散されたポリマー系のものなど
がある。Various substances have been developed as substances having this PTC characteristic. For example, conductive substances are dispersed in a polymer such as BaTiO 3 to which a monovalent or trivalent metal oxide is added, or a polymer such as polyethylene. There are polymer-based products.
従来、PTC素子１は、第３図に示すように、主にPTC組成
物２と、これを挟持する金属電極板３と、電極板３に接
続されたリード（端子）４とからなる。このPTC素子の
製造法は、例えば、PTC組成物をまず調製し、このPTC組
成物の成形体をフィルムの上下にニッケル箔の電極を熱
圧着して積層体を形成し、この積層体を所定の寸法に切
断し、電極表面にリード板をスポット溶接、半田付けな
どで溶接することを含む。Conventionally, as shown in FIG. 3, a PTC element 1 mainly comprises a PTC composition 2, a metal electrode plate 3 sandwiching the PTC composition 2, and leads (terminals) 4 connected to the electrode plate 3. The method for producing the PTC element is, for example, to prepare a PTC composition first, form a laminate of the molded body of the PTC composition by thermocompression bonding the electrodes of nickel foil to the upper and lower sides of the film, and form the laminate in a predetermined manner. This includes cutting to the dimensions of and welding the lead plate to the electrode surface by spot welding, soldering, or the like.
電子機器、自動カメラなどに組込まれる高出力電池パッ
クは、従来、第４図Ａの回路図に示すように電気的直列
に接続された２個のリチウム電池10の間にPTC素子１が
設けられ、第４図Ｂに示すようにPTC素子のリード４
が、各々のリチウム電池の電極11にスポット溶接または
レーザー溶接によつて接続されている。高出力電池パッ
クは、第４図Ｂに示す電池10およびPTC素子１がプラス
チック製ジャケット12に直接に収納され、第６図に示す
ように組立てられて構成されている。ジャケット12は、
電池およびPTC素子をぴったりと収納するように成形さ
れており、第６図に示すようにジャケット本体13とジャ
ケットの蓋14とからなつて収納後に接着剤で接合される
か、電池などの収納後に第５図に示すように２分割され
たジャケット12が一体化され接着剤で接合される。A high-power battery pack incorporated in an electronic device, an automatic camera, or the like is conventionally provided with a PTC element 1 between two lithium batteries 10 electrically connected in series as shown in the circuit diagram of FIG. 4A. , Lead 4 of PTC element as shown in FIG. 4B
Are connected to the electrodes 11 of each lithium battery by spot welding or laser welding. The high-power battery pack is constructed by directly accommodating the battery 10 and the PTC element 1 shown in FIG. 4B in a plastic jacket 12 and assembling as shown in FIG. Jacket 12
It is shaped to fit the battery and PTC element exactly, and as shown in FIG. 6, it is connected from the jacket body 13 and the lid 14 of the jacket by an adhesive after housing, or after housing the battery. As shown in FIG. 5, the jacket 12 divided into two is integrated and joined with an adhesive.
しかしながら、電池とPTC素子とがジャケットに密に接
触されていても、その高出力電池パックの輸送中に、ま
たは組込まれた電子機器や電子カメラの使用中に振動、
衝撃および雰囲気の熱などにより、密に接触した間隔が
広がり、また電池とリードとの溶接部で破談やひび発生
が起こる恐れがある。このような現象は、電子機器等の
信頼性を著しく低下させる。However, even if the battery and the PTC element are in intimate contact with the jacket, vibration during transportation of the high-power battery pack or use of the incorporated electronic device or electronic camera,
Due to impact and heat of the atmosphere, the closely contacted space may be widened, and breakage or cracks may occur at the welded portion between the battery and the lead. Such a phenomenon significantly reduces the reliability of electronic devices and the like.
本発明者らは上記問題点を解決すべく種々の検討した結
果、高出力電池パックのジャケット内面に絶縁性弾性支
持体を配設すれば、この発明の目的達成に有効であるこ
とを見出し、この発明を完成するに至った。As a result of various studies to solve the above problems, the present inventors have found that disposing an insulative elastic support on the inner surface of the jacket of a high-power battery pack is effective in achieving the object of the present invention. The present invention has been completed.
すなわち、この発明による高出力電池パックは、高出力
電池と、その電池と電気的に直列接続されたPTC素子
と、電池およびPTC素子を収納するジャケットとからな
る電池パックであつて、ジャケット内面に電池およびPT
C素子の絶縁性弾性支持体を設けて電池端子とPTC素子端
子との間の接続を確保することを特徴とするものであ
る。That is, the high-power battery pack according to the present invention is a battery pack comprising a high-power battery, a PTC element electrically connected in series with the battery, and a jacket accommodating the battery and the PTC element. Battery and PT
An insulating elastic support for the C element is provided to secure the connection between the battery terminal and the PTC element terminal.
以下、この発明を、より詳細に説明する。Hereinafter, the present invention will be described in more detail.
高出力電池 この発明の高出力電池パックは、高出力電池と、PTC素
子と、ジャケットとから主に構成されている。High Output Battery The high output battery pack of the present invention is mainly composed of a high output battery, a PTC element, and a jacket.
この発明における電池は、化学的エネルギーを電気エネ
ルギーに変換する直流電圧源であり、一次電池もしくは
二次電池である。そのようなものとして、マンガン乾電
池、水銀電池、アルカリ・マンガン電池、銀電池、塩化
銀電池、空気湿電池、リチウム電池、鉛蓄電池、アルカ
リ蓄電池などがある。この発明において好ましい態様に
おける電池は、その電池に回路を保護する素子を備える
ことから、高出力のものである。例えば、自動カメラに
内蔵するリチウム電池などの高出力電池がある。PTC素
子を保護素子として備える電池では、この素子が、電池
端子の一方、または両方に第４図に示すように直列に設
けられる。The battery according to the present invention is a DC voltage source that converts chemical energy into electric energy, and is a primary battery or a secondary battery. As such, there are a manganese dry battery, a mercury battery, an alkaline manganese battery, a silver battery, a silver chloride battery, an air wet battery, a lithium battery, a lead storage battery, an alkaline storage battery and the like. The battery in the preferred embodiment of the present invention has high output because the battery is provided with an element for protecting the circuit. For example, there is a high output battery such as a lithium battery built into an automatic camera. In a battery provided with a PTC element as a protective element, this element is provided in series at one or both of the battery terminals as shown in FIG.
PTC組成物 この発明において用いられるPTC素子は、通常、２以上
の電極と、その電極と電気的に接合されたPTC組成物と
からなるものである。このPTC組成物は、例えば、BaTiO
3に１価または３価の金属酸化物を添加したもの、重合
体と導電性粒子との混合物などがある。PTC composition The PTC element used in the present invention usually comprises two or more electrodes and a PTC composition electrically bonded to the electrodes. This PTC composition is, for example, BaTiO 3.
3 to that by adding monovalent or trivalent metal oxide, and the like mixture of polymer and conductive particles.
この発明に於いて用いることのできる重合体として、ポ
リエチレン、ポリエチレンオキシド、ｔ−４−ポリブタ
ジエン、ポリエチレンアクリレート、エチレン−エチル
アクリレート共重合体、エチレン−アクリル酸共重合
体、ポリエステル、ポリアミド、ポリエーテル、ポリカ
プロラクタム、フッ素化エチレン−プロピレン共重合
体、塩素化ポリエチレン、クロロスルホン化エチレン、
エチレン−酢酸ビニル共重合体、ポリプロピレン、ポリ
スチレン、スチレン−アクリロニトリル共重合体、ポリ
塩化ビニル、ポリカーボネート、ポリアセタール、ポリ
アルキレンオキシド、ポリフェニレンオキシド、ポリス
ルホン、フッ素樹脂、およびこれ等のうちから選ばれた
少なくとも２種のブレンドポリマー等がある。この発明
のおいて、重合体の種類、組成比などは、所望の性能、
用途などに応じて適宜選択することができる。Polymers that can be used in the present invention include polyethylene, polyethylene oxide, t-4-polybutadiene, polyethylene acrylate, ethylene-ethyl acrylate copolymer, ethylene-acrylic acid copolymer, polyester, polyamide, polyether, Polycaprolactam, fluorinated ethylene-propylene copolymer, chlorinated polyethylene, chlorosulfonated ethylene,
At least 2 selected from ethylene-vinyl acetate copolymer, polypropylene, polystyrene, styrene-acrylonitrile copolymer, polyvinyl chloride, polycarbonate, polyacetal, polyalkylene oxide, polyphenylene oxide, polysulfone, fluororesin, and the like. There are various kinds of blend polymers. In the present invention, the type of polymer, the composition ratio, etc., the desired performance,
It can be appropriately selected depending on the application.
また、重合体に分散される導電性粒子としては、カーボ
ンブラック、グラファイト、炭素粉、スズ、銀、金、銅
などの導電性物質の粒子、銀や銅メッキされたセラミッ
ク粒子などを用いることができる。PTC組成物の調製に
際して、上記の重合体、導電性粒子以外に、必要に応じ
て種々の添加剤を混合することができる。そのような添
加剤として、例えば、アンチモン化合物、リン化合物、
塩素化合物、臭素化化合物などの難燃剤、酸化防止剤、
安定剤、熱伝導性粒子などがある。As the conductive particles dispersed in the polymer, particles of a conductive substance such as carbon black, graphite, carbon powder, tin, silver, gold and copper, and silver or copper plated ceramic particles may be used. it can. When preparing the PTC composition, various additives may be mixed, if necessary, in addition to the above-mentioned polymer and conductive particles. Examples of such additives include antimony compounds, phosphorus compounds,
Flame retardants such as chlorine compounds and brominated compounds, antioxidants,
There are stabilizers, thermally conductive particles and the like.
この発明においてPTC組成物は、その原材料、重合体、
導電性粒子、その他添加剤を所定の割合いで配合・混練
して調製される。In this invention, the PTC composition is a raw material, a polymer,
It is prepared by mixing and kneading conductive particles and other additives in a predetermined ratio.
PTC素子 この発明のPTC素子は、上述のPTC組成物と、それと接触
する２以上の電極とからなる。ここで用いることのでき
る電極材料の種類としては、通常の電極として用いるこ
とのできる金属であり、その様なものとして、例えば、
ニッケル、コバルト、アルミニウム、クロム、スズ、
銅、銀、鉄（ステンレス鋼などの鉄合金を含む）、亜
鉛、金、鉛、白金などがある。電極の形状、寸法などは
PTC素子の用途などに応じて適宜選択することが望まし
い。この発明において電極材料として、圧延金属箔の
他、焼鈍処理した金属がよい。ここで焼鈍は、金属を所
定の温度に加熱跡、徐冷して行われる。加熱速度、加熱
温度、加熱時間、加熱雰囲気、冷却速度、冷却雰囲気な
どの焼鈍条件は、熱処理対象物である金属の材質などに
よつて適宜選択する。PTC Element The PTC element of the present invention comprises the above-mentioned PTC composition and two or more electrodes in contact therewith. The type of electrode material that can be used here is a metal that can be used as a normal electrode, and as such, for example,
Nickel, cobalt, aluminum, chrome, tin,
Examples include copper, silver, iron (including iron alloys such as stainless steel), zinc, gold, lead, and platinum. The shape and dimensions of the electrodes
It is desirable to select it appropriately according to the application of the PTC element. In the present invention, as the electrode material, besides the rolled metal foil, annealed metal is preferable. Here, the annealing is performed by heating the metal to a predetermined temperature and gradually cooling it. The annealing conditions such as the heating rate, the heating temperature, the heating time, the heating atmosphere, the cooling rate, and the cooling atmosphere are appropriately selected depending on the material of the metal to be heat treated.
次いで、この発明においてPTC組成物と電極とを接合す
る方法の一例を説明する。得られたPTC組成物を、例え
ば、フィルム状に成形し金属電極をフィルムの上下に熱
圧着して積層体を形成し、また、導電性接着剤を用いて
電極板とPTC組成物とを接合して積層体を形成し、この
積層体を所定の寸法に切断し、電極表面にリード線をス
ポット溶接、半田付けなどで接続してPTC素子を製造す
ることができる。Next, an example of the method of joining the PTC composition and the electrode in the present invention will be described. The obtained PTC composition, for example, is formed into a film and the metal electrodes are thermocompression bonded to the upper and lower sides of the film to form a laminate, and the electrode plate and the PTC composition are bonded using a conductive adhesive. Then, a laminated body is formed, the laminated body is cut into a predetermined size, and a lead wire is connected to the electrode surface by spot welding, soldering or the like to manufacture a PTC element.
ジャケット この高出力電池パックにおけるジャケットは、通常の電
気機具の材料として用いられているポリ塩化ビニル、ポ
リオレフィン、ポリカーボネートなどのプラスチックな
どを成形して製造することができる。ジャケットの形
状、寸法、材質などは電池、PTC素子、および電池用途
などに応じて適宜変更・選択して決めることが望まし
い。Jacket The jacket of this high-power battery pack can be manufactured by molding plastics such as polyvinyl chloride, polyolefin, and polycarbonate that are used as materials for ordinary electric equipment. It is desirable that the shape, size, material, etc. of the jacket be appropriately changed and selected according to the battery, PTC element, and battery application.
絶縁性弾性支持体 この発明における特徴の一つは、ジャケット内面に電池
およびPTC素子の絶縁性弾性支持体が設けられているこ
とである。この絶縁性弾性支持体は、電池およびPTC素
子がジャケット内部で変動および移動することを防止
し、即ち電池およびPTC素子を固定し、外部からの衝撃
を吸収する機能を果すものである。絶縁性弾性支持体を
設けるジャケットの位置、その寸法、形状などは、上記
の機能を果たすように適宜選択することが好ましい。Insulating Elastic Support One of the features of the present invention is that an insulating elastic support for batteries and PTC elements is provided on the inner surface of the jacket. This insulative elastic support functions to prevent the battery and the PTC element from fluctuating and moving inside the jacket, that is, to fix the battery and the PTC element and to absorb the impact from the outside. The position of the jacket on which the insulative elastic support is provided, its size, shape, etc. are preferably appropriately selected so as to fulfill the above-mentioned functions.
第１図および第２図に高出力電池パックに絶縁性弾性支
持体を設けた態様例を示す。これらの例では、高出力電
池10およびPTC素子（図示せず）を内臓するジャケット1
2の底部、および蓋の内側に各々絶縁性弾性支持体８が
設けられる。FIG. 1 and FIG. 2 show an example of a mode in which an insulating elastic support is provided in a high power battery pack. In these examples, a jacket 1 containing a high power battery 10 and a PTC device (not shown).
Insulating elastic supports 8 are provided on the bottom of 2 and the inside of the lid, respectively.
この発明はこれらの例に限定されず、種々の変形例が可
能である。例えば、絶縁性弾性支持体をジャケットの側
内面に設けて電池本体を固定し、PTC素子が設けられる
ジャケットの底部または上部に空洞を設けることがで
き、また、ジャケットの内全面に絶縁性弾性支持体の層
を設けることができる。The present invention is not limited to these examples, and various modifications are possible. For example, an insulating elastic support can be provided on the inner surface of the jacket side to fix the battery main body, and a cavity can be provided at the bottom or upper part of the jacket where the PTC element is provided. Body layers can be provided.
絶縁性弾性支持体の材料として、天然ゴム、イソプレン
ゴム、ブタジエンゴム、スチレン−ブタジエンゴム、ク
ロロプレンゴム、アクリロニトリル−ブタジエンゴム、
ブチルゴム、ハロゲン化ブチルゴム、エチレン−プロピ
レンゴム、エチレン−プロピレン−ジエチレンゴム、ア
クリルゴム、エチレン−アクリルゴム、塩素化ポリエチ
レンゴム、エピクロルヒドリンゴム、ウレタンゴム、シ
リコン系ゴム、およびフッ素系ゴムから選ばれた少なく
とも一種の物質からなるものがある。その絶縁性弾性支
持体には、添加剤として、例えばアンチモン化合物、リ
ン化合物、塩素化合物および臭素化合物などの難燃剤も
しくは耐燃剤、酸化防止剤、安定剤、粘着付与剤などを
加えることができる。As the material of the insulating elastic support, natural rubber, isoprene rubber, butadiene rubber, styrene-butadiene rubber, chloroprene rubber, acrylonitrile-butadiene rubber,
At least one selected from butyl rubber, halogenated butyl rubber, ethylene-propylene rubber, ethylene-propylene-diethylene rubber, acrylic rubber, ethylene-acrylic rubber, chlorinated polyethylene rubber, epichlorohydrin rubber, urethane rubber, silicone rubber, and fluorine rubber. Some consist of a kind of substance. As additives, flame retardants or flame retardants such as antimony compounds, phosphorus compounds, chlorine compounds and bromine compounds, antioxidants, stabilizers, tackifiers and the like can be added to the insulating elastic support.
上記に述べた技術的構成を有するこの発明では、絶縁性
弾性支持体が電池およびPTC素子を固定し、外部からの
衝撃があつた場合でもジャケット内臓の電池とPTC素子
は変動しない。また、電池およびPTC素子が変動しない
ために電池とPTC素子との間の電気的機械的接続が損な
われない。外部からの衝撃があつた場合その衝撃を絶縁
性弾性支持体が吸収し、内部の電池およびPTC素子を、
またその接続を保護する。さらに弾性支持体が絶縁性を
有するためにジャケット内部の短絡の危険性を低減す
る。In the present invention having the above-described technical structure, the insulating elastic support fixes the battery and the PTC element, and the battery and the PTC element with the jacket do not change even when an external impact is applied. Further, since the battery and the PTC element do not change, the electromechanical connection between the battery and the PTC element is not damaged. When there is a shock from the outside, the insulating elastic support absorbs the shock and the internal battery and PTC element are
It also protects the connection. Furthermore, since the elastic support has an insulating property, the risk of a short circuit inside the jacket is reduced.
この発明を例を示して具体的に説明する。 The present invention will be specifically described with reference to examples.
実施例１ 第６図に示すような形状のジャケット13（30×15×50）
の蓋内側にシリコンゴム（直径４×1mm）でコーティン
グし、次いで架橋硬化した。このジャケットに第４図Ｂ
に示すようにPTC素子が接続された２個のリチウム電池
を挿入して蓋を接着した。得られた高出力電池パックを
1.5mの高さから電池の長手方向に15回落下させ、ついで
20Hzの振動を電池の長手方向から2mmの振幅で１時間振
動させて耐振耐衝撃試験をした。その結果、50個の電池
に対して全て以上が無かった。Example 1 Jacket 13 (30 × 15 × 50) having a shape as shown in FIG.
The inside of the lid was coated with silicone rubber (diameter 4 × 1 mm) and then crosslinked and cured. Figure 4B on this jacket
As shown in (2), two lithium batteries to which a PTC element was connected were inserted and the lid was adhered. The obtained high-power battery pack
Drop from the height of 1.5m in the longitudinal direction of the battery 15 times, then
A vibration and shock resistance test was performed by vibrating a vibration of 20 Hz from the longitudinal direction of the battery with an amplitude of 2 mm for 1 hour. As a result, no more than all for 50 batteries.
比較例１ 実施例１と同様に高出力電池パックを調製し、耐振耐衝
撃試験をした。その結果、50個中、３個が電池電極とPT
C素子端子との接続が破断し、PTC素子の電極と端子との
溶接に不良が生じた。Comparative Example 1 A high-power battery pack was prepared in the same manner as in Example 1 and subjected to a vibration and shock resistance test. As a result, 3 out of 50 battery electrodes and PT
The connection with the terminal of the C element was broken, and the welding of the electrode and terminal of the PTC element failed.
この発明の高出力電池パックによつて、次の効果を得る
ことができる。According to the high power battery pack of the present invention, the following effects can be obtained.
絶縁性弾性支持体が電池およびPTC素子を固定し、外部
からの衝撃があつた場合でもジャケット内臓の電池とPT
C素子は変動させない。従って、電池およびPTC素子が変
動しないために電池電極とPTC素子端子との間、およびP
TC素子電極とその端子との間の電気的機械的接続が損な
われない。その為に高出力電池パックの信頼性がより高
めることができる。外部からの衝撃があつた場合その衝
撃を絶縁性弾性支持体が吸収し、より内部の電池および
PTC素子を、またその接続を保護することができる。さ
らに弾性支持体が絶縁性を有するためにジャケット内部
の短絡の危険性を低減することができる。ジャケット自
体が電池などに道に接触させる必要がないためにジャケ
ットの製作費用を低くすることができる。The insulative elastic support fixes the battery and PTC element, and the battery and PT inside the jacket are protected even when an external shock is applied.
C element is not changed. Therefore, since the battery and PTC element do not fluctuate, between the battery electrode and the PTC element terminal, and P
The electromechanical connection between the TC element electrode and its terminal is not damaged. Therefore, the reliability of the high power battery pack can be further improved. When there is a shock from outside, the insulating elastic support absorbs the shock and
The PTC element and also its connection can be protected. Further, since the elastic support has an insulating property, the risk of short circuit inside the jacket can be reduced. Since it is not necessary for the jacket itself to come into contact with the battery or the like, the cost of manufacturing the jacket can be reduced.
第１図はこの発明による高出力電池パックの実施例を示
す透視斜視図であり、第２図はこの発明による別の実施
例を示す透視斜視図であり、第３図はPTC素子の斜視図
であり、第４図はPTC素子が接続した電池と示す説明図
であり、第５図はジャケットの分解斜視図であり、第６
図は高出力電池パックの組立てを示す斜視図である。 １……PTC素子、２……PTC組成物、３……電極、４……
端子、８……絶縁性弾性支持体、10……電池、11……電
池の電極、12……ジャケット、13……ジャケット本体、
14……蓋FIG. 1 is a perspective view showing an embodiment of a high-power battery pack according to the present invention, FIG. 2 is a perspective view showing another embodiment of the present invention, and FIG. 3 is a perspective view of a PTC element. FIG. 4 is an explanatory view showing a battery to which a PTC element is connected, FIG. 5 is an exploded perspective view of the jacket, and FIG.
The figure is a perspective view showing the assembly of the high-power battery pack. 1 ... PTC element, 2 ... PTC composition, 3 ... electrode, 4 ...
Terminal, 8 ... Insulating elastic support, 10 ... Battery, 11 ... Battery electrode, 12 ... Jacket, 13 ... Jacket body,
14 ... Lid
Claims (4)
続されたPTC素子と、電池およびPTC素子を収納するジャ
ケットとからなる電池パックであつて、ジャケット内面
に電池およびPTC素子の絶縁性弾性支持体を設けて電池
端子とPTC素子端子との間の接続を確保することを特徴
とする高出力電池パック。1. A battery pack comprising a high-power battery, a PTC element electrically connected in series with the battery, and a jacket accommodating the battery and the PTC element, wherein the inner surface of the battery is insulated from the PTC element. A high-power battery pack, characterized in that a flexible elastic support is provided to secure the connection between the battery terminal and the PTC element terminal.
範囲第１項記載の電池パック。2. The battery pack according to claim 1, wherein the battery is a high output primary battery.
許請求の範囲第１項記載の電池パック。3. The battery pack according to claim 1, wherein the high-output primary battery is a lithium battery.
ンゴム、ブタジエンゴム、スチレン−ブタジエンゴム、
クロロプレンゴム、アクリロニトリル−ブタジエンゴ
ム、ブチルゴム、ハロゲン化ブチルゴム、エチレン−プ
ロピレンゴム、エチレン−プロピレン−ジエンゴム、ア
クリルゴム、エチレン−アクリルゴム、塩素化ポリエチ
レンゴム、エピクロルヒドリンゴム、ウレタンゴム、シ
リコン系ゴム、およびフッ素系ゴムから選ばれた少なく
とも一種の物質からなる、特許請求の範囲第１項乃至第
３項のいずれかに記載の電池パック。4. The insulating elastic support is made of natural rubber, isoprene rubber, butadiene rubber, styrene-butadiene rubber,
Chloroprene rubber, acrylonitrile-butadiene rubber, butyl rubber, halogenated butyl rubber, ethylene-propylene rubber, ethylene-propylene-diene rubber, acrylic rubber, ethylene-acrylic rubber, chlorinated polyethylene rubber, epichlorohydrin rubber, urethane rubber, silicone rubber, and fluorine. The battery pack according to any one of claims 1 to 3, which is made of at least one substance selected from rubbers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61305180A JPH07111883B2 (en) | 1986-12-23 | 1986-12-23 | High power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61305180A JPH07111883B2 (en) | 1986-12-23 | 1986-12-23 | High power battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63158744A JPS63158744A (en) | 1988-07-01 |
| JPH07111883B2 true JPH07111883B2 (en) | 1995-11-29 |
Family
ID=17942019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61305180A Expired - Lifetime JPH07111883B2 (en) | 1986-12-23 | 1986-12-23 | High power battery pack |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07111883B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2585011Y2 (en) * | 1992-10-29 | 1998-11-11 | 三洋電機株式会社 | Switching means and battery pack incorporating switching means |
| US5585994A (en) * | 1993-01-22 | 1996-12-17 | Sanyo Electric Co., Ltd. | Battery over-current protection circuit |
| JP3326324B2 (en) * | 1996-03-28 | 2002-09-24 | 三洋電機株式会社 | Secondary battery protection circuit |
| JP3576767B2 (en) * | 1997-09-18 | 2004-10-13 | タイコ エレクトロニクス レイケム株式会社 | Battery pack and PTC element built in this battery pack |
| JP5657751B1 (en) | 2013-07-04 | 2015-01-21 | ファナック株式会社 | Conveying device that sucks and conveys objects |
-
1986
- 1986-12-23 JP JP61305180A patent/JPH07111883B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63158744A (en) | 1988-07-01 |
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