JPH10106520A - Storage battery power supply device - Google Patents
Storage battery power supply deviceInfo
- Publication number
- JPH10106520A JPH10106520A JP25424296A JP25424296A JPH10106520A JP H10106520 A JPH10106520 A JP H10106520A JP 25424296 A JP25424296 A JP 25424296A JP 25424296 A JP25424296 A JP 25424296A JP H10106520 A JPH10106520 A JP H10106520A
- Authority
- JP
- Japan
- Prior art keywords
- storage battery
- power supply
- supply device
- battery power
- cylindrical
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、複数の単電池を組
み合わせて所定電力量を得る蓄電池電源装置に関し、特
に集合体となる蓄電池の温度上昇を抑える放熱構造を備
えた蓄電池電源装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage battery power supply device for obtaining a predetermined amount of power by combining a plurality of cells, and more particularly to a storage battery power supply device having a heat radiation structure for suppressing a rise in temperature of a storage battery as an assembly. is there.
【０００２】[0002]
【従来の技術】多数の単電池を接続して所定電圧、所定
電力量の蓄電池電源装置を構成するとき、多数個の単電
池が密集配置されることになるため、個々の単電池の発
熱やジュール熱等により電源装置が温度上昇する。そこ
で、電池の配列間に空気等の冷媒を流通させて、電池の
温度上昇を抑制することは従来から実施されてきた。2. Description of the Related Art When a large number of cells are connected to form a storage battery power supply having a predetermined voltage and a predetermined amount of power, a large number of cells are densely arranged. The temperature of the power supply rises due to Joule heat or the like. Therefore, it has been conventionally practiced to circulate a refrigerant such as air between the arrangements of batteries to suppress a rise in the temperature of the batteries.
【０００３】[0003]
【発明が解決しようとする課題】しかし、複数列に配置
された電池の間に冷媒を流通させたとき、冷媒流通方向
の下流側に位置する電池は、上流側の電池で温度上昇し
た冷媒により冷却されることになるため冷却効率が低
く、下流側の電池の温度は上流側の電池に比べて高くな
る。また、集積された中央部に位置する電池ほど周囲の
電池からの伝熱を受ける度合いが大きく、温度上昇が激
しくなる。However, when the refrigerant is circulated between the batteries arranged in a plurality of rows, the batteries located on the downstream side in the direction of the refrigerant flow are caused by the refrigerant whose temperature has been raised by the batteries on the upstream side. Since cooling is performed, the cooling efficiency is low, and the temperature of the downstream battery is higher than that of the upstream battery. In addition, the degree of heat transfer from the surrounding batteries is greater in the battery located in the central portion where the battery is integrated, and the temperature rise becomes more severe.
【０００４】このように、集積された電池間の温度格差
が大きくなると、電池性能にも格差が生じやすく、充放
電制御にも障害をもたらし蓄電池電源装置としての信頼
性を低下させることになる。[0004] As described above, when the temperature difference between the integrated batteries becomes large, a difference in the battery performance is apt to occur, and the charge / discharge control is impaired, so that the reliability as the storage battery power supply device is reduced.
【０００５】本発明は、上記のごとき放熱性のばらつき
に伴う蓄電池電源装置の性能低下を抑制すべく、集積さ
れた電池個々の放熱性を向上させる放熱構造を備えた蓄
電池電源装置を提供することを目的とする。An object of the present invention is to provide a storage battery power supply device having a heat dissipation structure for improving the heat dissipation of each integrated battery in order to suppress the performance degradation of the storage battery power supply device due to the above-mentioned variation in heat dissipation. With the goal.
【０００６】[0006]
【課題を解決するための手段】本発明に係る蓄電池電源
装置は、単電池もしくは単電池の集合体を所要数集積し
て所定電力量を得る蓄電池電源装置において、断面外形
形状が長さ方向に一定の柱状に形成された前記単電池も
しくは単電池の集合体を、その外周面が部分的に内接す
る筒状体内に収容し、この筒状体を任意方向に連結する
と共に、前記筒状体内に形成される空間及び／又は筒状
体を相互に連結させたときに生じる空間に冷媒を強制流
通させることを特徴とする。SUMMARY OF THE INVENTION A storage battery power supply according to the present invention is a storage battery power supply that obtains a predetermined amount of electric power by integrating a required number of cells or a collection of cells in a longitudinal direction. The unit cell or the assembly of unit cells formed in a fixed columnar shape is housed in a cylindrical body whose outer peripheral surface is partially inscribed, and the cylindrical body is connected in an arbitrary direction, and the cylindrical body is The refrigerant is forcibly circulated in a space formed when the space is formed and / or when a cylindrical body is connected to each other.
【０００７】上記筒状体は、相互に連結させる連結部が
外面に形成され、任意位置に内部と外部とを連通する開
口部が形成され、熱伝導性に優れた材料で形成すること
ができる。[0007] The cylindrical body has a connecting portion to be connected to each other formed on an outer surface, an opening for communicating the inside and the outside at an arbitrary position, and can be formed of a material having excellent heat conductivity. .
【０００８】上記構成によれば、断面外形形状が長さ方
向に一定の柱状に形成された前記単電池もしくは単電池
の集合体を、その外周面が部分的に内接する筒状体内に
収容し、この筒状体を連結部により任意方向に連結する
と、単電池もしくは単電池の集合体と筒状体との間及び
／又は筒状体間に形成される空間が生じるので、この空
間に冷媒を流通させる。単電池もしくは単電池の集合体
からの放熱は、筒状体との間を流れる冷媒により直接的
に冷却されるのと、熱伝導性のよい筒状体に伝熱した熱
が筒状体の内外を流れる冷媒により間接的に冷却される
のと、２通りに行われることになる。筒状体は互いに連
結されて全体としても放熱し、多数に形成された冷媒流
路で冷却されるので、部分的な温度格差は抑制される。
また、筒状体に、その内外を連通する開口部を要所に設
けると、冷媒の流路が増し、冷媒の流速の変化も生じる
ので、より効果的な冷却を実施することができる。According to the above construction, the unit cell or the assembly of unit cells, whose cross-sectional outer shape is formed in a constant column shape in the length direction, is housed in a cylindrical body whose outer peripheral surface is partially inscribed. When the cylindrical body is connected in any direction by the connecting portion, a space is formed between the unit cells or the aggregate of the unit cells and the cylindrical body and / or a space formed between the cylindrical bodies. Is distributed. The heat radiated from the single cell or the aggregate of the single cells is directly cooled by the refrigerant flowing between the single cell and the cylindrical body, and the heat transferred to the cylindrical body having good thermal conductivity is generated by the heat of the cylindrical body. Indirect cooling by the refrigerant flowing inside and outside is performed in two ways. The tubular bodies are connected to each other and dissipate heat as a whole, and are cooled by a large number of formed refrigerant channels, so that a partial temperature difference is suppressed.
Further, when an opening communicating the inside and outside of the tubular body is provided at a key point, the flow path of the coolant increases and the flow speed of the coolant changes, so that more effective cooling can be performed.
【０００９】[0009]
【発明の実施の形態】以下、添付図面を参照して本発明
の一実施形態について説明し、本発明の理解に供する。
尚、以下の実施形態は本発明を具体化した一例であっ
て、本発明の技術的範囲を限定するものではない。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings to provide an understanding of the present invention.
The following embodiments are examples embodying the present invention and do not limit the technical scope of the present invention.
【００１０】図１は、本実施形態に係る蓄電池電源装置
１の構成を示す斜視図である。蓄電池２を挿入した筒状
ケース（筒状体）３を４個連結した状態を示している
が、同じ構成を図示右方向及び下方向に連続して、所要
数の蓄電池２を収容した筒状ケース３が連結される。
又、ここで示す蓄電池２は、複数の単電池を直列接続し
た単電池の集合体として構成されている。電気的な接続
構成は省略しているが、連結した蓄電池２、２……を接
続することによって、所定の出力電圧と電力量が得られ
るよう構成される。FIG. 1 is a perspective view showing the configuration of a storage battery power supply device 1 according to this embodiment. The figure shows a state in which four cylindrical cases (cylindrical bodies) 3 into which the storage batteries 2 are inserted are connected, and the same configuration is continuously formed in the rightward and downward directions in the drawing to form a cylindrical shape in which a required number of storage batteries 2 are accommodated. Case 3 is connected.
The storage battery 2 shown here is configured as an aggregate of unit cells in which a plurality of unit cells are connected in series. Although an electrical connection configuration is omitted, a predetermined output voltage and a predetermined amount of power can be obtained by connecting the connected storage batteries 2, 2,....
【００１１】図１において、蓄電池２は円柱形に形成さ
れており、筒状ケース３は断面形状８角形の筒に形成さ
れているので、筒状ケース３内に蓄電池２を挿入する
と、蓄電池２は円周部の長さ方向の４箇所で筒状ケース
３の内面に接し、その他の部分では筒状ケース３の内部
に空間Ａを形成する。また、筒状ケース３、３……は互
いに連結し合ったとき、角部に空間Ｂが形成される。こ
の空間Ｂは、蓄電池２を収容した筒状ケース３を複数個
連結し、これを収納ケース４内に収めて蓄電池電源装置
１を構成したとき、個々の筒状ケース３の角部にも形成
させることができる。これらの空間Ａ及び空間Ｂに冷媒
としての空気を流通させることにより、効果的に冷却を
行うことができる。In FIG. 1, the storage battery 2 is formed in a cylindrical shape, and the cylindrical case 3 is formed in an octagonal cross-sectional shape. When the storage battery 2 is inserted into the cylindrical case 3, Are in contact with the inner surface of the cylindrical case 3 at four locations in the longitudinal direction of the circumferential portion, and form a space A inside the cylindrical case 3 at other portions. When the cylindrical cases 3, 3, ... are connected to each other, a space B is formed at a corner. This space B is also formed at the corners of the individual cylindrical cases 3 when a plurality of cylindrical cases 3 accommodating the storage batteries 2 are connected and stored in the storage case 4 to constitute the storage battery power supply device 1. Can be done. By allowing air as a refrigerant to flow through these spaces A and B, cooling can be performed effectively.
【００１２】前記筒状ケース３は、アルミニウム等の熱
伝導性のよい材料で形成されているので、蓄電池２から
直接、間接的に熱を奪うと共に、連結された相互間で熱
伝導させるので、蓄電池電源装置１として多数集積させ
たときにも、全体の温度の均一化を促進する。Since the cylindrical case 3 is made of a material having good heat conductivity such as aluminum, it directly and indirectly removes heat from the storage battery 2 and conducts heat between the connected batteries. Even when a large number of storage battery power supplies 1 are integrated, uniformization of the entire temperature is promoted.
【００１３】また、筒状ケース３には、図１に示すよう
に、通気孔（開口部）５を設けることができる。この通
気孔５は、図示するように８角形に形成された筒状ケー
ス３の空間Ｂに接する狭い辺の奥側に開設することによ
り、図１に示す蓄電池電源装置１の手前側を冷媒の入口
に設定し、図２に示すように、奥側を遮蔽板６により空
間Ｂに相当する位置の通気を遮蔽すると、空間Ａを流通
した空気は蓄電池２を冷却して奥側に抜け、空間Ｂから
入った空気は前記通気孔５から空間Ａに入って奥側に抜
ける。蓄電池２は複数個の単電池を連結して構成されて
いるので、空気流通の下流側は冷却効率が低下して温度
上昇が大きくなるが、通気孔５から侵入する空気は下流
側の単電池を冷却することになるので、冷却による温度
の均一化を図ることができる。Further, as shown in FIG. 1, a ventilation hole (opening) 5 can be provided in the cylindrical case 3. The vent hole 5 is formed in the back side of the narrow side in contact with the space B of the cylindrical case 3 formed in an octagon as shown in the figure, so that the front side of the storage battery power supply device 1 shown in FIG. When it is set at the entrance and the ventilation at the position corresponding to the space B is blocked by the shielding plate 6 on the back side as shown in FIG. 2, the air flowing through the space A cools the storage battery 2 and escapes to the back side, The air entering from B enters the space A from the ventilation hole 5 and escapes to the back side. Since the storage battery 2 is formed by connecting a plurality of unit cells, the cooling efficiency is reduced and the temperature rise is increased on the downstream side of the air circulation. Is cooled, so that the temperature can be made uniform by cooling.
【００１４】尚、前記遮蔽板６は、図１に示すように筒
状ケース３の一端に遮蔽板６を形成しておき、筒状ケー
ス３を連結したとき、隣接間で互いに当接し、空間Ｂの
冷媒流通の下流側を遮蔽する。この遮蔽板６は、所要数
に集積される筒状ケース３に別途取り付けるようにして
もよい。The shielding plate 6 has a shielding plate 6 formed at one end of the cylindrical case 3 as shown in FIG. The downstream side of the refrigerant flow of B is shielded. The shielding plates 6 may be separately attached to the required number of cylindrical cases 3 to be integrated.
【００１５】次に、筒状ケース３の連結構造について説
明する。図３及び図４に連結構造の例を断面図として示
す。Next, the connection structure of the cylindrical case 3 will be described. 3 and 4 show examples of the connection structure as cross-sectional views.
【００１６】図３に示す連結構造は、８角形に形成され
た筒状ケース３ａの２辺に凹部７、他の２辺に凸部８を
形成し、隣り合う筒状ケース３ａの凹部７と凸部８とを
嵌め合わせることによって、筒状ケース３ａ、３ａ……
が互いに連結される。The connecting structure shown in FIG. 3 is such that a concave portion 7 is formed on two sides of a cylindrical case 3a formed in an octagon, and a convex portion 8 is formed on the other two sides. The cylindrical case 3a, 3a,...
Are connected to each other.
【００１７】図４に示す連結構造は、８角形に形成され
た筒状ケース３ｂの４辺に全て凹部７を形成したもの
で、連結は別ピースとなる連結部材９の両端を隣り合う
間の筒状ケース３ｂ、３ｂの凹部７、７間に嵌め込むこ
とによりなされる。この連結部材９は、同図（ｂ）に示
すように、長さを変えて連結間隔を変化できるように形
成することができ、多数集積した筒状ケース３ｂの周囲
に冷媒流通の空間を形成することもできる。The connecting structure shown in FIG. 4 is one in which concave portions 7 are formed on all four sides of a cylindrical case 3b formed in an octagon, and the connection is made by connecting both ends of a connecting member 9 which is a separate piece. This is performed by fitting between the concave portions 7, 7 of the cylindrical cases 3b, 3b. The connecting member 9 can be formed so that the connecting interval can be changed by changing the length, as shown in FIG. 3B, and a space for refrigerant circulation is formed around the cylindrical case 3b in which many are integrated. You can also.
【００１８】上記例に示したように、筒状ケース３は上
下左右に自由に連結できるので、蓄電池電源装置１とし
て所望される出力電圧、電力量に応じ、あるいは蓄電池
電源装置１を搭載するスペースに応じて、自在に集積数
を変化させ、集積形状を変化させることができる。図５
は比較的小容量の蓄電池電源装置１を構成した例で、横
並列に１段積みにした構成である。図６は縦横に４列づ
つに集積した例、図７は変形４段積みにした例である。
このように、集積数や集積形状は自在に変化させ得るの
で、例えば、電気自動車の駆動電源として利用する場合
のように、搭載スペースに制約を受ける場合でも、充分
に対応させることができる。As shown in the above example, since the cylindrical case 3 can be freely connected in the up, down, left and right directions, the space according to the output voltage and the amount of power desired for the storage battery power supply 1 or the space in which the storage battery power supply 1 is mounted. , The number of accumulations can be freely changed, and the accumulation shape can be changed. FIG.
Is an example in which a relatively small-capacity storage battery power supply device 1 is configured, and has a configuration in which the storage battery power supply devices 1 are stacked in a horizontal parallel manner. FIG. 6 shows an example in which four columns are stacked vertically and horizontally, and FIG. 7 shows an example in which a modified four-stage stack is used.
As described above, since the number of accumulations and the shape of the accumulation can be freely changed, even when the mounting space is restricted, for example, when used as a driving power source of an electric vehicle, it is possible to sufficiently cope with the situation.
【００１９】尚、筒状ケース３は、以上説明したような
８角形でなく、図８に示すように４角形に形成すること
も、あるいは、蓄電池２が円柱形状でなく角柱形状であ
る場合には、円筒形に形成すれば、上記構成と同様に蓄
電池２と筒状ケース３とを部分的に接触させ、周囲に冷
媒通路を形成する形態を実現することができる。図８に
示す４角形の筒に形成した筒状ケース３ｃの場合は、蓄
電池２の周囲に冷媒通路を広く形成することができ、こ
こを流通させる冷媒により蓄電池２と筒状ケース３ｃと
を冷却させることになる。また、集積した複数の筒状ケ
ース３ｃを収納する収納ケースとの間に間隔を設けて、
その間隔部分に冷媒を流通させることもできる。The cylindrical case 3 may be formed not in the octagon as described above but in a quadrangle as shown in FIG. 8, or when the storage battery 2 has a prismatic shape instead of a cylindrical shape. If it is formed in a cylindrical shape, it is possible to realize a form in which the storage battery 2 and the cylindrical case 3 are partially brought into contact with each other to form a refrigerant passage around the same as in the above configuration. In the case of the cylindrical case 3c formed in a quadrangular cylinder shown in FIG. 8, a refrigerant passage can be formed widely around the storage battery 2, and the storage battery 2 and the cylindrical case 3c are cooled by the refrigerant flowing therethrough. Will be. In addition, an interval is provided between the storage case that stores the plurality of cylindrical cases 3c that have been accumulated,
A coolant can be circulated in the space.
【００２０】以上説明した筒状ケース３、３ａ、３ｂ、
３ｃは、アルミニウム等の熱伝導性に優れた材料により
形成されるので、収容した蓄電池２の発熱を奪い、相互
間の熱伝導により外部に放熱するので、温度分布の均一
化はより促進される。The above described cylindrical cases 3, 3a, 3b,
3c is made of a material having excellent thermal conductivity such as aluminum, so that the stored battery 2 is deprived of heat and radiated to the outside by heat conduction between the batteries, so that the temperature distribution is more uniform. .
【００２１】[0021]
【実施例】図１に示す実施形態により単電池を６個直列
接続した蓄電池２を４２個集積した蓄電池電源装置１を
構成し、図９に示す比較例とする蓄電池電源装置１０と
ともに、使用時の温度分布について以下の検証を実施し
た。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiment shown in FIG. 1 constitutes a storage battery power supply device 1 in which 42 storage batteries 2 in which six unit cells are connected in series are integrated and used together with a storage battery power supply device 10 as a comparative example shown in FIG. The following verification was carried out for the temperature distribution of.
【００２２】比較例とする蓄電池電源装置１０の概略構
成を説明する。図９に示すように、本実施例と同様に、
６個の単電池を直列接続した蓄電池２を横並列で５段積
みにして４２個を集積したもので、３ｍｍ厚のポリプロ
ピレン製の蓄電池保持部材１１で各積層段の蓄電池２を
保持している。A schematic configuration of a storage battery power supply device 10 as a comparative example will be described. As shown in FIG. 9, similar to the present embodiment,
The storage batteries 2 in which six unit cells are connected in series are stacked in five rows in a horizontal parallel manner and 42 batteries are integrated, and the storage batteries 2 in each stacked stage are held by a storage battery holding member 11 made of polypropylene having a thickness of 3 mm. .
【００２３】温度分布測定の条件は、環境温度２４℃
で、各蓄電池電源装置１及び１０の蓄電池群を１Ａｈで
充電しながら、単電池の表面温度が５０℃に達した時点
でファンを作動させ、蓄電池２の長さ方向に３リットル
／ｃｍ2 の空気を流通させた。The conditions for measuring the temperature distribution are as follows: an ambient temperature of 24 ° C.
Then, while charging the storage battery group of each of the storage battery power supplies 1 and 10 at 1 Ah, when the surface temperature of the unit cell reached 50 ° C., the fan was operated, and 3 liter / cm 2 in the length direction of the storage battery 2 was used. Air was circulated.
【００２４】温度測定は、ファン作動開始から２時間後
の単電池の表面温度を測定した。測定は、集積された最
外列より２層目の蓄電池列に対して実施し、長さ３７０
ｍｍの蓄電池２に対して、空気流通の上流端から５０ｍ
ｍ（点１）、１７０ｍｍ（点２）、２６０ｍｍ（点
３）、及び３４０ｍｍ（点４）の各位置での温度を熱電
対を用いて測定した。In the temperature measurement, the surface temperature of the cell was measured two hours after the start of the operation of the fan. The measurement is performed on the battery row of the second layer from the integrated outermost row, and has a length of 370
50 m from the upstream end of the air flow
The temperature at each position of m (point 1), 170 mm (point 2), 260 mm (point 3), and 340 mm (point 4) was measured using a thermocouple.
【００２５】上記温度分布測定結果は、表１及び図１０
に示す通りである。The results of the temperature distribution measurement are shown in Table 1 and FIG.
As shown in FIG.
【００２６】[0026]
【表１】 [Table 1]
【００２７】表１及び図１０からわかるように、比較例
の蓄電池電源装置１０では、空気流通下流側の単電池の
表面温度が４０℃を超え、上流下流間で約９℃の温度差
が生じているのに対して、実施例の蓄電池電源装置１で
は、約４℃の温度差内にまで抑制されている。空気流通
の最上流側の単電池の温度が低いのは当然のこととして
も、下流側に至っても大きな温度上昇がなく、効果的に
冷却がなされ、単電池間の温度差が少ないことが実証さ
れた。As can be seen from Table 1 and FIG. 10, in the battery power supply device 10 of the comparative example, the surface temperature of the unit cells on the downstream side of the air flow exceeds 40 ° C., and a temperature difference of about 9 ° C. occurs between the upstream and downstream sides. On the other hand, in the storage battery power supply device 1 of the embodiment, the temperature difference is suppressed to within about 4 ° C. Naturally, the temperature of the cell at the most upstream side of the air circulation is low, but there is no significant temperature rise even downstream, the cooling is effective, and the temperature difference between the cells is demonstrated to be small Was done.
【００２８】[0028]
【発明の効果】以上の説明の通り本発明によれば、断面
外形形状が長さ方向に一定の柱状に形成された前記単電
池もしくは単電池の集合体を、その外周面が部分的に内
接する筒状体内に収容し、この筒状体を連結部により任
意方向に連結すると、単電池もしくは単電池の集合体と
筒状体との間及び／又は筒状体間に形成される空間が生
じるので、この空間に冷媒を流通させる。単電池もしく
は単電池の集合体からの放熱は、筒状体との間を流れる
冷媒により直接的に冷却されるのと、熱伝導性のよい筒
状体に伝熱した熱が筒状体の内外を流れる冷媒により間
接的に冷却されるのと、２通りに行われることになる。
筒状体は互いに連結されて全体としても放熱し、多数に
形成された冷媒流路で冷却されるので、部分的な温度格
差は抑制される。また、筒状体に、その内外を連通する
開口部を要所に設けると、冷媒の流路が増し、冷媒の流
速の変化も生じるので、より効果的な冷却を実施するこ
とができる。According to the present invention, as described above, according to the present invention, the single cell or the assembly of single cells whose cross-sectional outer shape is formed in a columnar shape in the length direction is formed by partially fixing the outer peripheral surface to the inside. When the cylindrical body is housed in the cylindrical body in contact with the cylindrical body and connected in an arbitrary direction by a connecting portion, a space formed between the cylindrical body or the unit cell and the cylindrical body and / or between the cylindrical bodies is formed. As a result, the refrigerant is circulated through this space. The heat radiated from the single cell or the aggregate of the single cells is directly cooled by the refrigerant flowing between the single cell and the cylindrical body, and the heat transferred to the cylindrical body having good thermal conductivity is generated by the heat of the cylindrical body. Indirect cooling by the refrigerant flowing inside and outside is performed in two ways.
The tubular bodies are connected to each other and dissipate heat as a whole, and are cooled by a large number of formed refrigerant channels, so that a partial temperature difference is suppressed. Further, when an opening communicating the inside and outside of the tubular body is provided at a key point, the flow path of the coolant increases and the flow speed of the coolant changes, so that more effective cooling can be performed.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明の一実施形態に係る蓄電池電源装置の構
成を示す斜視図である。FIG. 1 is a perspective view illustrating a configuration of a storage battery power supply device according to an embodiment of the present invention.
【図２】図１に示す構成の後方部分の構成例を説明する
平面図である。FIG. 2 is a plan view illustrating a configuration example of a rear portion of the configuration illustrated in FIG. 1;
【図３】筒状ケースの連結構造の例を示す断面図であ
る。FIG. 3 is a cross-sectional view illustrating an example of a connection structure of a cylindrical case.
【図４】筒状ケースの連結構造の例を示す断面図（ａ）
と連結部材の形状例を示す断面図（ｂ）である。FIG. 4 is a sectional view showing an example of a connection structure of a cylindrical case (a).
FIG. 4B is a cross-sectional view illustrating an example of the shape of a connecting member.
【図５】筒状ケースに収容した蓄電池の集積構造例を示
す斜視図である。FIG. 5 is a perspective view showing an example of an integrated structure of storage batteries housed in a cylindrical case.
【図６】筒状ケースに収容した蓄電池の集積構造例を示
す斜視図である。FIG. 6 is a perspective view showing an example of an integrated structure of storage batteries housed in a cylindrical case.
【図７】筒状ケースに収容した蓄電池の集積構造例を示
す斜視図である。FIG. 7 is a perspective view showing an example of an integrated structure of storage batteries housed in a cylindrical case.
【図８】筒状ケースの変形例を示す斜視図である。FIG. 8 is a perspective view showing a modification of the cylindrical case.
【図９】温度分布測定の比較例とした蓄電池電源装置の
構成を示す正面図である。FIG. 9 is a front view showing a configuration of a storage battery power supply device as a comparative example of temperature distribution measurement.
【図１０】温度分布測定の結果を示す温度グラフであ
る。FIG. 10 is a temperature graph showing a result of temperature distribution measurement.
１ 蓄電池電源装置 ２ 蓄電池 ３、３ａ、３ｂ 筒状ケース ５ 通気孔 ７ 凹部 ８ 凸部 Ａ、Ｂ 冷媒流通空間 DESCRIPTION OF SYMBOLS 1 Storage battery power supply 2 Storage battery 3, 3a, 3b Cylindrical case 5 Vent hole 7 Concave part 8 Convex part A, B Refrigerant circulation space
───────────────────────────────────────────────────── フロントページの続き (72)発明者 松浪 隆夫 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takao Matsunami 1006 Kazuma Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd.
Claims (4)
集積して所定電力量を得る蓄電池電源装置において、 断面外形形状が長さ方向に一定の柱状に形成された前記
単電池もしくは単電池の集合体を、その外周面が部分的
に内接する筒状体内に収容し、この筒状体を任意方向に
連結すると共に、前記筒状体内に形成される空間及び／
又は筒状体を相互に連結させたときに生じる空間に冷媒
を強制流通させることを特徴とする蓄電池電源装置。1. A storage battery power supply device for obtaining a predetermined amount of electric power by integrating a required number of unit cells or a group of unit cells, wherein the unit cell or unit cell is formed in a columnar shape having a constant cross-sectional outer shape in a length direction. Is accommodated in a cylindrical body whose outer peripheral surface is partially inscribed, the cylindrical bodies are connected in an arbitrary direction, and a space formed in the cylindrical body and / or
Alternatively, a storage battery power supply device for forcibly circulating a refrigerant in a space generated when the cylindrical bodies are connected to each other.
せる連結部を形成したことを特徴とする請求項１記載の
蓄電池電源装置。2. The storage battery power supply device according to claim 1, wherein a connecting portion for connecting the cylindrical bodies to each other is formed on an outer surface of the cylindrical body.
通する開口部を形成したことを特徴とする請求項１記載
の蓄電池電源装置。3. The storage battery power supply device according to claim 1, wherein an opening communicating between the inside and the outside is formed at an arbitrary position of the tubular body.
れてなることを特徴とする請求項１記載の蓄電池電源装
置。4. The storage battery power supply device according to claim 1, wherein the tubular body is formed of a material having excellent heat conductivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25424296A JPH10106520A (en) | 1996-09-26 | 1996-09-26 | Storage battery power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25424296A JPH10106520A (en) | 1996-09-26 | 1996-09-26 | Storage battery power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10106520A true JPH10106520A (en) | 1998-04-24 |
Family
ID=17262257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25424296A Pending JPH10106520A (en) | 1996-09-26 | 1996-09-26 | Storage battery power supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10106520A (en) |
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