WO2013057965A1 - Battery module for vehicle - Google Patents
Battery module for vehicle Download PDFInfo
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- WO2013057965A1 WO2013057965A1 PCT/JP2012/053658 JP2012053658W WO2013057965A1 WO 2013057965 A1 WO2013057965 A1 WO 2013057965A1 JP 2012053658 W JP2012053658 W JP 2012053658W WO 2013057965 A1 WO2013057965 A1 WO 2013057965A1
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- junction box
- shield case
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/04—Arrangement of batteries
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- the present invention relates to a battery module for a vehicle, and in particular, a junction box having a built-in relay connected to a battery pack-side power source in a metal shield case that houses a battery pack mounted on an electric vehicle or a hybrid vehicle.
- a junction box having a built-in relay connected to a battery pack-side power source in a metal shield case that houses a battery pack mounted on an electric vehicle or a hybrid vehicle.
- heat dissipation in the junction box is intended.
- the battery pack is arranged on the vehicle compartment side, and the junction box including the fuse connected to the battery pack is arranged at a position different from the engine room side, and the high voltage power cable 101 is used. Connected.
- the wiring length of the high-voltage power cable is increased, and the device 103 connected to the high-voltage power cable 101 is also housed in a metal shield case, and noise generated from the high-voltage electric wire in the device 103 needs to be shielded.
- a junction box is also accommodated in a metal case (shield case) that accommodates the battery pack, a shielded wire is connected to the load side of the branch connection circuit including the relay and fuse accommodated in the junction box, Battery modules have been developed that draw the shielded wires outward from the shield case.
- the inside of the shield case that houses the battery pack and the inside of the junction box that houses the shield case overheats when energized.
- the temperature inside the junction box rapidly rises due to heat generation. Due to the heat generation, stress relaxation of the terminal connection portion may occur, resulting in poor contact.
- junction box size increases the installation interval of relays that serve as heat sources, increase the width of the bus bar, etc.
- Possible countermeasures are possible.
- the junction box becomes large, which in turn leads to an increase in the size of the battery module, and a problem arises in the installation space of the battery module in a small vehicle.
- the present invention has been made in view of the above problems, and it is an object of the present invention to achieve heat dissipation in the entire shield case and in the junction box when the junction box is accommodated in the shield case that accommodates the battery pack.
- the present invention accommodates a junction box inside a metal shield case that houses a battery pack, and a resin case of the junction box is mounted on the bottom wall of the shield case, A fan is attached to the wall of the shield case and an exhaust port for discharging the air that has circulated inside the shield case is provided, and a vent is provided in the case of the junction box, and a part of the air that flows into the shield case
- the battery module is configured to circulate in a junction box case.
- the relay is exposed on the upper surface of the case of the junction box.
- the junction box disposed in the shield case can be cooled as a whole.
- the bus bar and the like accommodated in the junction box can be cooled.
- the junction box case is mounted and fixed in contact with the bottom surface of the shield case, the heat of the junction box case can be conducted to the metal shield case to radiate heat.
- FIG. 1 is an overall view showing an embodiment of the present invention. It is an expansion schematic perspective view of the junction box shown in FIG. It is the schematic which shows 2nd Embodiment. It is drawing which shows a prior art example.
- FIG. 1 shows a battery module 1 mounted on an electric vehicle.
- the battery module 1 contains a battery pack 3 in a shield case 2 made of metal such as aluminum alloy.
- a junction box accommodating region X is provided in a portion surrounded by the front wall 2 a and the right side wall 2 b of the shield case 2, and the junction box 5 is accommodated in the accommodating region X.
- the junction box 5 accommodates a bus bar (not shown) that forms a branch connection circuit inside a case 10 made of a resin molded product, and a relay accommodating portion and a fuse accommodating portion are provided on the surface of the case 10. 12 is exposed on the surface.
- the case 10 includes a lower case 10a having a lower surface opening and front and rear side walls, and an upper case 10b that is locked to the upper portion of the lower case 10a. It is mounted on the upper surface of the case 10b.
- the load-side electric wire connected to the junction box 5 is a shielded electric wire, and is inserted from the outside through a through hole (not shown) provided in the shield case 2.
- a fan (blower) 6 is attached to the upper part on the front end side of the left side wall 2c on the left side of the shield case 2 that accommodates only the battery pack 3, so that cooling air from the outside flows into the shield case 2.
- the fan 6 is automatically controlled so as to be driven only when power is supplied from the battery during driving of the automobile.
- An exhaust duct 7 is provided on the rear end side of the right side wall 2b facing the mounting position of the fan 6 so that the air introduced from the fan 6 is exhausted from the exhaust duct 7 after circulating through the entire inside of the shield case 2. ing.
- ventilation holes 15 (15a to 15d) are provided in the left and right side walls 10c and 10d and the front and rear side walls 10e and 10f of the lower case 10a of the case 10 of the junction box 5.
- the ventilation openings 15a provided on the left side are mainly on the air inflow side
- the right ventilation openings 15b are on the exhaust side.
- These ventilation openings 15 are positioned in a circulation path of air circulating in the shield case 2 and set so that the air circulating in the shield case 2 circulates in the case 10 of the junction box 5.
- the vent hole 15 provided in the case 10 is provided with an opening at the lower end that contacts the bottom wall 2r of the shield case 2 so that relatively low temperature air flowing along the bottom wall 2r flows in.
- the junction box 5 can also suppress a temperature rise with external air.
- the relay 11 serving as a heating element is mounted on the upper surface of the upper case 10 b of the junction box 5, heating can be suppressed by the air flowing above the junction box 10.
- the wind from the fan 6 that circulates in the shield case 2 can be circulated through the vent 15 into the case 10 of the junction box 5.
- the heating air inside the case 10 can be radiated and the heating of the bus bar can be suppressed.
- the lower case 10a of the case 10 has an opening on the lower surface, and the heated air in the case 10 can be conducted to the bottom wall 2r of the shield case 2 to radiate heat, so that the junction box 5 can be formed without increasing the size of the case 10.
- the outer surface and the inner heat can be radiated, and the reliability of electrical connection can be improved.
- FIG. 3 shows a second embodiment.
- the high voltage relay 21 and the resistor 22 which are large heat sources among the mounted components of the junction box are separated without being mounted on the junction box 5, and the metal plate 24 laid on the bottom wall of the shield case of the battery module. It is fixed directly on the top.
- the case 10 of the junction box 5 is covered so as to surround the high-voltage relay 21 and the like, and the bus bar 25 is disposed on the upper wall 10 u of the case 10.
- the case 10 opens the upper surfaces of the high-voltage relay 21 and the resistor 22.
- the junction box 5 fixes a metal plate 24 on the bottom wall 2r of the shield case 2 of the battery module 1.
- the configuration in which the fan 6 and the exhaust duct 7 are attached to the shield case 2 is the same as in the first embodiment.
- the fan attached to a shield case is not limited to 1 unit
- the exhaust port may be provided without attaching the exhaust duct.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Connection Or Junction Boxes (AREA)
Abstract
The present invention dissipates heat from the inside of a battery module having a battery pack housed therein. The present invention has a configuration wherein: a junction box is housed in a metallic shield case having the battery pack housed therein; a resin case of the junction box is mounted on the bottom wall of the shield case; a fan is attached to a wall of the shield case, and an air-releasing port for releasing air that has been circulated inside of the shield case is provided in a wall of the shield case; the case of the junction box is provided with a ventilation hole; and a part of the air flowed into the shield case is circulated inside of the case of the junction box.
Description
本発明は車両用の電池モジュールに関し、特に、電気自動車やハイブリッド自動車に搭載される電池パックを収容する金属製のシールドケース内に、該電池パック側電源と接続するリレー等を内蔵するジャンクションボックスを収容配置する電池モジュールにおいて、ジャンクションボックス内の放熱を図るものである。
The present invention relates to a battery module for a vehicle, and in particular, a junction box having a built-in relay connected to a battery pack-side power source in a metal shield case that houses a battery pack mounted on an electric vehicle or a hybrid vehicle. In the battery module to be accommodated and arranged, heat dissipation in the junction box is intended.
電気自動車やハイブリッド自動車においては、従来、特開2010-36594号公報のハイブリッド自動車で図4に示すように、高電圧の電池パック100を車室内のリヤ側等に配置し、該電池パック100を高圧電源ケーブル101を介してエンジンルーム内に搭載した機器103と接続し、該機器103内でヒューズ104、高圧・低圧のジャンクションボックスと一体または近接配置したDC-DCモジュール105と接続している。
Conventionally, in an electric vehicle and a hybrid vehicle, as shown in FIG. 4 in a hybrid vehicle disclosed in Japanese Patent Application Laid-Open No. 2010-36594, a high-voltage battery pack 100 is disposed on the rear side of the vehicle interior, and the battery pack 100 is mounted. A device 103 mounted in the engine room is connected via a high-voltage power cable 101, and a fuse 104 and a DC-DC module 105 arranged in close proximity to the high-voltage / low-voltage junction box are connected in the device 103.
特許文献1に開示されたハイブリッド自動車等では、電池パックは車室側、該電池パックに接続されるヒューズ等を含むジャンクションボックスはエンジンルーム側と別位置に配置し、高圧電源ケーブル101を介して接続している。該構成とすると高圧電源ケーブルの配線長さが大きくなり、かつ、高圧電源ケーブル101と接続する機器103も金属製のシールドケースに収容し、該機器103内の高圧電線から生じるノイズを遮蔽する必要があり、機器や設備が大型化する問題がある。
In the hybrid vehicle disclosed in Patent Document 1, the battery pack is arranged on the vehicle compartment side, and the junction box including the fuse connected to the battery pack is arranged at a position different from the engine room side, and the high voltage power cable 101 is used. Connected. With this configuration, the wiring length of the high-voltage power cable is increased, and the device 103 connected to the high-voltage power cable 101 is also housed in a metal shield case, and noise generated from the high-voltage electric wire in the device 103 needs to be shielded. There is a problem that equipment and facilities are enlarged.
よって、近時、電池パックを収容する金属製ケース(シールドケース)内にジャンクションボックスも収容し、該ジャンクションボックスに収容するリレーやヒューズを含む分岐接続回路の負荷側にシールド電線を接続し、該シールド電線をシールドケースより外方へ引き出す電池モジュールが開発されている。
Therefore, recently, a junction box is also accommodated in a metal case (shield case) that accommodates the battery pack, a shielded wire is connected to the load side of the branch connection circuit including the relay and fuse accommodated in the junction box, Battery modules have been developed that draw the shielded wires outward from the shield case.
しかしながら、電池パックを収容するシールドケース内および該シールドケース内に収容するジャンクションボックス内は、通電時に過熱する。特にジャンクションボックス内のケース内に密閉されたバスバー、発熱体となるリレーに高電流が流れると、発熱によりジャンクションボックス内の温度は急上昇する。該発熱により、端子接続部の応力緩和が発生し接触不良を起こす恐れがある。
However, the inside of the shield case that houses the battery pack and the inside of the junction box that houses the shield case overheats when energized. In particular, when a high current flows through a bus bar sealed in a case inside the junction box and a relay that serves as a heating element, the temperature inside the junction box rapidly rises due to heat generation. Due to the heat generation, stress relaxation of the terminal connection portion may occur, resulting in poor contact.
この電池モジュール内にジャンクションボックスを収容配置した時に発生する過熱の問題は、ジャンクションボックスを大型化し、発熱源となるリレーの設置間隔を明けたり、バスバーの幅を広げて発熱量を抑制する等の対策が考えられる。しかしながら、いずれの場合もジャンクションボックスが大型化し、ひいては電池モジュールの大型化を招き、小型車では電池モジュールの設置スペースに問題が発生する。
The problem of overheating that occurs when the junction box is accommodated in the battery module is to increase the junction box size, increase the installation interval of relays that serve as heat sources, increase the width of the bus bar, etc. Possible countermeasures. However, in any case, the junction box becomes large, which in turn leads to an increase in the size of the battery module, and a problem arises in the installation space of the battery module in a small vehicle.
本発明は前記問題に鑑みてなされたもので、電池パックを収容するシールドケース内にジャンクションボックスを収容する場合に、シールドケース内の全体およびジャンクションボックス内の放熱を図ることを課題としている。
The present invention has been made in view of the above problems, and it is an object of the present invention to achieve heat dissipation in the entire shield case and in the junction box when the junction box is accommodated in the shield case that accommodates the battery pack.
前記課題を解決するため、本発明は、電池パックを収容する金属製のシールドケースの内部にジャンクションボックスを収容し、該ジャンクションボックスの樹脂製のケースを前記シールドケースの底壁上に搭載し、
前記シールドケースの壁にファンを取り付けると共に該シールドケース内部を流通した空気を排出する排気口を設け、かつ、前記ジャンクションボックスのケースに通気口を設け、前記シールドケース内に流入した空気の一部をジャンクションボックスのケース内に流通させる構成としている電池モジュールを提供している。 In order to solve the above problems, the present invention accommodates a junction box inside a metal shield case that houses a battery pack, and a resin case of the junction box is mounted on the bottom wall of the shield case,
A fan is attached to the wall of the shield case and an exhaust port for discharging the air that has circulated inside the shield case is provided, and a vent is provided in the case of the junction box, and a part of the air that flows into the shield case The battery module is configured to circulate in a junction box case.
前記シールドケースの壁にファンを取り付けると共に該シールドケース内部を流通した空気を排出する排気口を設け、かつ、前記ジャンクションボックスのケースに通気口を設け、前記シールドケース内に流入した空気の一部をジャンクションボックスのケース内に流通させる構成としている電池モジュールを提供している。 In order to solve the above problems, the present invention accommodates a junction box inside a metal shield case that houses a battery pack, and a resin case of the junction box is mounted on the bottom wall of the shield case,
A fan is attached to the wall of the shield case and an exhaust port for discharging the air that has circulated inside the shield case is provided, and a vent is provided in the case of the junction box, and a part of the air that flows into the shield case The battery module is configured to circulate in a junction box case.
前記ジャンクションボックスのケースの上面にリレーを露出させて搭載することが好ましい。
該構成とすると、発熱体となるリレーをシールドケース内に循環する空気で放熱できるとともに、ジャンクションボックス内部に発生する熱を低減することができる。 It is preferable that the relay is exposed on the upper surface of the case of the junction box.
With this configuration, it is possible to dissipate heat with the air circulating in the shield case, and to reduce the heat generated inside the junction box.
該構成とすると、発熱体となるリレーをシールドケース内に循環する空気で放熱できるとともに、ジャンクションボックス内部に発生する熱を低減することができる。 It is preferable that the relay is exposed on the upper surface of the case of the junction box.
With this configuration, it is possible to dissipate heat with the air circulating in the shield case, and to reduce the heat generated inside the junction box.
前記のように、電池モジュールのシールドケースにファンを取り付け、冷却した空気をシールドケース内に流入させ、該シールドケース内を循環させると、該シールドケース内に配置したジャンクションボックスを全体的に冷却できると共に、該ジャンクションボックス内にも循環する空気を流通させるため、ジャンクションボックス内に収容されたバスバー等も冷却することができる。このように、シールドケース内を冷却する空気で該シールドケース内に収容するジャンクションボックス内の冷却を同時に図ることができる。
さらに、ジャンクションボックスのケースをシールドケースの底面に接触させて搭載固定すると、ジャンクションボックスのケースの熱を金属製のシールドケースへと伝導して放熱を図ることができる。
これにより、ジャンクションボックスの過熱を抑制し、端子接続部の接触不良を防止する等、電気接続信頼性を高めることができる。 As described above, by attaching a fan to the shield case of the battery module, allowing the cooled air to flow into the shield case, and circulating through the shield case, the junction box disposed in the shield case can be cooled as a whole. At the same time, since the circulating air is also circulated in the junction box, the bus bar and the like accommodated in the junction box can be cooled. In this way, it is possible to simultaneously cool the junction box housed in the shield case with the air that cools the shield case.
Furthermore, when the junction box case is mounted and fixed in contact with the bottom surface of the shield case, the heat of the junction box case can be conducted to the metal shield case to radiate heat.
Thereby, overheating of a junction box can be suppressed and contact failure of a terminal connection part can be prevented, and electrical connection reliability can be improved.
さらに、ジャンクションボックスのケースをシールドケースの底面に接触させて搭載固定すると、ジャンクションボックスのケースの熱を金属製のシールドケースへと伝導して放熱を図ることができる。
これにより、ジャンクションボックスの過熱を抑制し、端子接続部の接触不良を防止する等、電気接続信頼性を高めることができる。 As described above, by attaching a fan to the shield case of the battery module, allowing the cooled air to flow into the shield case, and circulating through the shield case, the junction box disposed in the shield case can be cooled as a whole. At the same time, since the circulating air is also circulated in the junction box, the bus bar and the like accommodated in the junction box can be cooled. In this way, it is possible to simultaneously cool the junction box housed in the shield case with the air that cools the shield case.
Furthermore, when the junction box case is mounted and fixed in contact with the bottom surface of the shield case, the heat of the junction box case can be conducted to the metal shield case to radiate heat.
Thereby, overheating of a junction box can be suppressed and contact failure of a terminal connection part can be prevented, and electrical connection reliability can be improved.
以下、本発明の実施形態を図面を参照して説明する。
図1および図2に本発明の第1実施形態を示す。
図1に電気自動車に搭載する電池モジュール1を示す。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 and 2 show a first embodiment of the present invention.
FIG. 1 shows abattery module 1 mounted on an electric vehicle.
図1および図2に本発明の第1実施形態を示す。
図1に電気自動車に搭載する電池モジュール1を示す。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 and 2 show a first embodiment of the present invention.
FIG. 1 shows a
電池モジュール1はアルミニウム合金等の金属製のシールドケース2内に電池パック3を収容している。シールドケース2の前壁2aと右側壁2bに囲まれた部分にジャンクションボックスの収容領域Xを設け、該収容領域Xにジャンクションボックス5を収容している。
The battery module 1 contains a battery pack 3 in a shield case 2 made of metal such as aluminum alloy. A junction box accommodating region X is provided in a portion surrounded by the front wall 2 a and the right side wall 2 b of the shield case 2, and the junction box 5 is accommodated in the accommodating region X.
前記ジャンクションボックス5は樹脂成形品からなるケース10の内部に分岐接続回路を形成するバスバー(図示せず)を収容し、ケース10の表面にリレー収容部およびヒューズ収容部を設け、リレー11およびヒューズ12を表面に露出させて搭載している。
詳細には、図2に示すように、ケース10は下面開口で前後左右の側壁からなるロアケース10aと該ロアケース10aの上部にロック結合するアッパーケース10bとからなり、前記リレー11、ヒューズ12はアッパーケース10bの上面に搭載している。
また、該ジャンクションボックス5に接続する負荷側の電線はシールド電線とし、シールドケース2に設けた貫通穴(図示せず)を通して外部から挿入している。 The junction box 5 accommodates a bus bar (not shown) that forms a branch connection circuit inside acase 10 made of a resin molded product, and a relay accommodating portion and a fuse accommodating portion are provided on the surface of the case 10. 12 is exposed on the surface.
Specifically, as shown in FIG. 2, thecase 10 includes a lower case 10a having a lower surface opening and front and rear side walls, and an upper case 10b that is locked to the upper portion of the lower case 10a. It is mounted on the upper surface of the case 10b.
The load-side electric wire connected to the junction box 5 is a shielded electric wire, and is inserted from the outside through a through hole (not shown) provided in theshield case 2.
詳細には、図2に示すように、ケース10は下面開口で前後左右の側壁からなるロアケース10aと該ロアケース10aの上部にロック結合するアッパーケース10bとからなり、前記リレー11、ヒューズ12はアッパーケース10bの上面に搭載している。
また、該ジャンクションボックス5に接続する負荷側の電線はシールド電線とし、シールドケース2に設けた貫通穴(図示せず)を通して外部から挿入している。 The junction box 5 accommodates a bus bar (not shown) that forms a branch connection circuit inside a
Specifically, as shown in FIG. 2, the
The load-side electric wire connected to the junction box 5 is a shielded electric wire, and is inserted from the outside through a through hole (not shown) provided in the
前記シールドケース2の電池パック3のみを収容した左側の左側壁2cの前端側上部にファン(送風機)6を取り付け、シールドケース2内に外部からの冷却用の空気を流入させるようにしている。該ファン6は自動車運転時の電池からの通電時にのみ駆動するように自動制御している。該ファン6の取り付け位置と対向する右側壁2bの後端側に排気ダクト7を設け、ファン6から導入される空気がシールドケース2内部の全体を循環した後に排気ダクト7から排気されるようにしている。
A fan (blower) 6 is attached to the upper part on the front end side of the left side wall 2c on the left side of the shield case 2 that accommodates only the battery pack 3, so that cooling air from the outside flows into the shield case 2. The fan 6 is automatically controlled so as to be driven only when power is supplied from the battery during driving of the automobile. An exhaust duct 7 is provided on the rear end side of the right side wall 2b facing the mounting position of the fan 6 so that the air introduced from the fan 6 is exhausted from the exhaust duct 7 after circulating through the entire inside of the shield case 2. ing.
また、前記ジャンクションボックス5のケース10のロアケース10aの左右側壁10c、10d及び前後側壁10e、10fには通風口15(15a~15d)を設けている。これら通風口15のうち左側に設ける通風口15aは主として空気流入側となり、右側の通風口15bは排気側となる。これら通風口15はシールドケース2内を循環する空気の循環経路に位置させ、シールドケース2内を循環する空気がジャンクションボックス5のケース10内を流通するように設定している。
Also, ventilation holes 15 (15a to 15d) are provided in the left and right side walls 10c and 10d and the front and rear side walls 10e and 10f of the lower case 10a of the case 10 of the junction box 5. Of these ventilation openings 15, the ventilation openings 15a provided on the left side are mainly on the air inflow side, and the right ventilation openings 15b are on the exhaust side. These ventilation openings 15 are positioned in a circulation path of air circulating in the shield case 2 and set so that the air circulating in the shield case 2 circulates in the case 10 of the junction box 5.
前記ケース10に設ける通風口15はシールドケース2の底壁2rに接触する下端を開口して設け、底壁2rに沿って流れる比較的低温の空気が流入するようにしている。
The vent hole 15 provided in the case 10 is provided with an opening at the lower end that contacts the bottom wall 2r of the shield case 2 so that relatively low temperature air flowing along the bottom wall 2r flows in.
前記のように、ファン6からシールドケース2内に強制的に外部の冷却した空気を流入し、図1に示すように、シールドケース2内を循環させ、シールドケース2内の空気を下降させて排気ダクト7から排気している。これにより、シールドケース2内の加熱空気が排気ダクト7を通して放熱されることで、シールドケース2の内部温度を低下させることができる。よって、収容した電池パック3の温度上昇を抑制できると共に、ジャンクションボックス5も外部空気で温度上昇を抑制できる。特に、ジャンクションボックス5のアッパーケース10bの上面に発熱体となるリレー11を露出させて搭載しているため、ジャンクションボックス10の上方を流れる空気により加熱を抑制できる。
As described above, externally cooled air is forced to flow into the shield case 2 from the fan 6 and circulates in the shield case 2 as shown in FIG. 1 to lower the air in the shield case 2. The air is exhausted from the exhaust duct 7. As a result, the heated air in the shield case 2 is radiated through the exhaust duct 7 so that the internal temperature of the shield case 2 can be lowered. Therefore, while the temperature rise of the accommodated battery pack 3 can be suppressed, the junction box 5 can also suppress a temperature rise with external air. In particular, since the relay 11 serving as a heating element is mounted on the upper surface of the upper case 10 b of the junction box 5, heating can be suppressed by the air flowing above the junction box 10.
さらに、シールドケース2内を循環させるファン6からの風をジャンクションボックス5のケース10の内部に通風口15を通して流通させることができる。これにより、ケース10の内部の加熱空気を放熱でき、バスバーの加熱を抑制できる。かつ、ケース10のロアケース10aを下面開口とし、ケース10内の加熱した空気をシールドケース2の底壁2rに伝導して放熱を図ることができ、ケース10の大型化を図ることなくジャンクションボックス5の外面および内部の放熱を図ることができ、電気接続信頼性を高めることができる。
Furthermore, the wind from the fan 6 that circulates in the shield case 2 can be circulated through the vent 15 into the case 10 of the junction box 5. Thereby, the heating air inside the case 10 can be radiated and the heating of the bus bar can be suppressed. In addition, the lower case 10a of the case 10 has an opening on the lower surface, and the heated air in the case 10 can be conducted to the bottom wall 2r of the shield case 2 to radiate heat, so that the junction box 5 can be formed without increasing the size of the case 10. The outer surface and the inner heat can be radiated, and the reliability of electrical connection can be improved.
図3に第2実施形態を示す。
第2実施形態では、ジャンクションボックスの搭載部品の中でも大きな発熱源となる高圧リレー21およびレジスタ22をジャンクションボックス5に搭載せずに分離し、電池モジュールのシールドケースの底壁に敷設する金属板24上に直接固定している。該高圧リレー21等を囲むようにジャンクションボックス5のケース10を被せ、該ケース10の上壁10uにバスバー25を配置している。該ケース10は高圧リレー21およびレジスタ22の上面を開口している。
該ジャンクションボックス5は金属板24を電池モジュール1のシールドケース2底壁2r上に固定している。シールドケース2にファン6および排気ダクト7を取り付けている構成は第1実施形態と同様である。 FIG. 3 shows a second embodiment.
In the second embodiment, thehigh voltage relay 21 and the resistor 22 which are large heat sources among the mounted components of the junction box are separated without being mounted on the junction box 5, and the metal plate 24 laid on the bottom wall of the shield case of the battery module. It is fixed directly on the top. The case 10 of the junction box 5 is covered so as to surround the high-voltage relay 21 and the like, and the bus bar 25 is disposed on the upper wall 10 u of the case 10. The case 10 opens the upper surfaces of the high-voltage relay 21 and the resistor 22.
The junction box 5 fixes ametal plate 24 on the bottom wall 2r of the shield case 2 of the battery module 1. The configuration in which the fan 6 and the exhaust duct 7 are attached to the shield case 2 is the same as in the first embodiment.
第2実施形態では、ジャンクションボックスの搭載部品の中でも大きな発熱源となる高圧リレー21およびレジスタ22をジャンクションボックス5に搭載せずに分離し、電池モジュールのシールドケースの底壁に敷設する金属板24上に直接固定している。該高圧リレー21等を囲むようにジャンクションボックス5のケース10を被せ、該ケース10の上壁10uにバスバー25を配置している。該ケース10は高圧リレー21およびレジスタ22の上面を開口している。
該ジャンクションボックス5は金属板24を電池モジュール1のシールドケース2底壁2r上に固定している。シールドケース2にファン6および排気ダクト7を取り付けている構成は第1実施形態と同様である。 FIG. 3 shows a second embodiment.
In the second embodiment, the
The junction box 5 fixes a
該構成とすることで、高圧リレー21、レジスタ22に発生した熱を金属板24を介してシールドケース2の底壁2rに直接伝導して放熱できる。また、高圧リレー21、レジスタ22をジャンクションボックス5のケース10の開口に露出して設置していることで、シールドケース2内を流れるファン6の冷却空気で過熱防止を図ることができる。
With this configuration, heat generated in the high-voltage relay 21 and the resistor 22 can be directly conducted to the bottom wall 2r of the shield case 2 through the metal plate 24 to be dissipated. Further, since the high-voltage relay 21 and the resistor 22 are disposed so as to be exposed at the opening of the case 10 of the junction box 5, it is possible to prevent overheating with the cooling air of the fan 6 flowing in the shield case 2.
なお、本発明は前記実施形態に限定されず、シールドケースに取り付けるファンは1台に限定されず、複数台としてもよい。また、排気ダクトを取り付けずに排気口を設けただけでもよい。
In addition, this invention is not limited to the said embodiment, The fan attached to a shield case is not limited to 1 unit | set, It is good also as multiple units | sets. Further, the exhaust port may be provided without attaching the exhaust duct.
1 電池モジュール
2 シールドケース
3 電池パック
5 ジャンクションボックス
6 送風機
7 排気ダクト
10 ジャンクションボックスのケース
11 リレー
15 通風口 DESCRIPTION OFSYMBOLS 1 Battery module 2 Shield case 3 Battery pack 5 Junction box 6 Blower 7 Exhaust duct 10 Junction box case 11 Relay 15 Ventilation opening
2 シールドケース
3 電池パック
5 ジャンクションボックス
6 送風機
7 排気ダクト
10 ジャンクションボックスのケース
11 リレー
15 通風口 DESCRIPTION OF
Claims (2)
- 電池パックを収容する金属製のシールドケースの内部にジャンクションボックスを収容し、該ジャンクションボックスの樹脂製のケースを前記シールドケースの底壁上に搭載し、
前記シールドケースの壁にファンを取り付けると共に該シールドケース内部を流通した空気を排出する排気口を設け、かつ、前記ジャンクションボックスのケースに通気口を設け、前記シールドケース内に流入した空気の一部をジャンクションボックスのケース内に流通させる構成としていることを特徴とする電池モジュール。 A junction box is accommodated inside a metal shield case that accommodates the battery pack, and a resin case of the junction box is mounted on the bottom wall of the shield case,
A fan is attached to the wall of the shield case and an exhaust port for discharging the air that has circulated inside the shield case is provided, and a vent is provided in the case of the junction box, and a part of the air that flows into the shield case The battery module is configured to circulate in a case of a junction box. - 前記ジャンクションボックスのケースの上面にリレーを露出させて配置している請求項1に記載の電池モジュール。 2. The battery module according to claim 1, wherein a relay is exposed on an upper surface of the case of the junction box.
Applications Claiming Priority (2)
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JP2011-229897 | 2011-10-19 | ||
JP2011229897A JP5879914B2 (en) | 2011-10-19 | 2011-10-19 | Battery module for vehicles |
Publications (1)
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WO2013057965A1 true WO2013057965A1 (en) | 2013-04-25 |
Family
ID=48140625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2012/053658 WO2013057965A1 (en) | 2011-10-19 | 2012-02-16 | Battery module for vehicle |
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WO (1) | WO2013057965A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2569016A (en) * | 2017-11-24 | 2019-06-05 | Jaguar Land Rover Ltd | A mounting system for mounting an electrical module in a vehicle |
CN112649702A (en) * | 2019-10-10 | 2021-04-13 | 许继集团有限公司 | Fireproof monitor for high-voltage equipment and converter valve |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6015573B2 (en) * | 2013-06-26 | 2016-10-26 | 株式会社デンソー | Cooling system |
JP6265046B2 (en) * | 2014-05-21 | 2018-01-24 | 住友電装株式会社 | Power supply junction box |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0662724U (en) * | 1993-02-08 | 1994-09-02 | 矢崎総業株式会社 | Electrical junction box |
JP2004123046A (en) * | 2002-10-07 | 2004-04-22 | Auto Network Gijutsu Kenkyusho:Kk | Power supply package for vehicle power supply system |
JP2009050155A (en) * | 2006-07-31 | 2009-03-05 | Hitachi Vehicle Energy Ltd | Cell controller, battery module, and power supply system |
-
2011
- 2011-10-19 JP JP2011229897A patent/JP5879914B2/en not_active Expired - Fee Related
-
2012
- 2012-02-16 WO PCT/JP2012/053658 patent/WO2013057965A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0662724U (en) * | 1993-02-08 | 1994-09-02 | 矢崎総業株式会社 | Electrical junction box |
JP2004123046A (en) * | 2002-10-07 | 2004-04-22 | Auto Network Gijutsu Kenkyusho:Kk | Power supply package for vehicle power supply system |
JP2009050155A (en) * | 2006-07-31 | 2009-03-05 | Hitachi Vehicle Energy Ltd | Cell controller, battery module, and power supply system |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2569016A (en) * | 2017-11-24 | 2019-06-05 | Jaguar Land Rover Ltd | A mounting system for mounting an electrical module in a vehicle |
GB2569016B (en) * | 2017-11-24 | 2020-09-23 | Jaguar Land Rover Ltd | A mounting system for mounting an electrical module in a vehicle |
CN112649702A (en) * | 2019-10-10 | 2021-04-13 | 许继集团有限公司 | Fireproof monitor for high-voltage equipment and converter valve |
Also Published As
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JP2013090484A (en) | 2013-05-13 |
JP5879914B2 (en) | 2016-03-08 |
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