JP2021114878A - 電動車両のバッテリ温度制御装置 - Google Patents
電動車両のバッテリ温度制御装置 Download PDFInfo
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- 238000001816 cooling Methods 0.000 claims abstract description 144
- 238000007599 discharging Methods 0.000 claims description 27
- 230000002457 bidirectional effect Effects 0.000 claims description 19
- 239000003507 refrigerant Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000000498 cooling water Substances 0.000 description 20
- 230000005540 biological transmission Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008520 organization Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
Description
a.充電率
b.バッテリの出力(充電/放電)の制限値
c.充電率の制限値
d.充電完了時間
e.バッテリの加温要求
f.バッテリの要求出力プロファイル
上記データeは、バッテリ21の温度が低く、バッテリ21が加温すべき状態であることを通知するものである。また、データfは、バッテリ21の充電及び放電を実行するに当たり、電動車両3側が要求する出力プロファイルである。この出力プロファイルは、現在のバッテリ21の状態において、充放電による出力が可能な充放電の波形データや、充電及び放電のデューティ比などのデータである。なお、データfについては、バッテリ21の温度が所定温度よりも低いときに限らず、所定温度以上のときに送信することも可能である。
α.V2Gの実行の開始/終了
β.バッテリの出力(充電/放電)の要求
上記のデータαは、V2Gの実行の開始あるいは終了の指令である。また、データβは、V2Gの実行時に、バッテリ21に対して要求する出力、すなわち、充電時にはバッテリ21に充電すべき電力値であり、放電時にはバッテリ21から放電すべき電力値である。
2 電力系統
3 電動車両
7 アグリゲータ(電力系統側バッテリ充放電管理手段)
20 ECU(車両側制御手段)
20a 送受信部
21 バッテリ
22 双方向充電器(電力変換器)
31 冷却装置
40 エンジン冷却回路
50 バッテリ冷却回路
51 第2流路
54 四方弁
54a 第1出入り口
54b 第2出入り口
54c 第3出入り口
54d 第4出入り口
57a 第1連通路
57b 第2連通路
57c 第3連通路
57d 第4連通路
60 充電器冷却回路(電力変換器冷却回路)
61 第3流路
65 バイパス流路
71 バッテリ温度センサ
TB バッテリの温度
TBREF 所定温度
TW_BAT バッテリ冷却回路の冷却水温
TW_CHG 充電器冷却回路の冷却水温
DCLMT 放電リミット
CHLMT 充電リミット
RQMAX 最大要求出力
RQMIN 最小要求出力
QRPW 要求出力幅
Claims (5)
- 電動車両に搭載された車両駆動用のバッテリと電力系統との間で双方向の電力の授受が可能なV2Gにおいて、当該V2Gに参加している電動車両の前記バッテリの温度を制御するための電動車両のバッテリ温度制御装置であって、
前記バッテリを、冷媒を循環させることによって冷却又は加温するためのバッテリ冷却回路と、
前記バッテリと前記電力系統との間で電力を変換する電力変換器を、冷媒を循環させることによって冷却するための電力変換器冷却回路と、
前記バッテリ冷却回路と前記電力変換器冷却回路とを連結可能な冷却回路連結手段と、
前記バッテリの温度を検出するバッテリ温度検出手段と、
前記電動車両に設けられ、前記冷却回路連結手段及び前記バッテリの充放電を制御するとともに、前記バッテリに関する情報を送受信可能な車両側制御手段と、
前記電力系統に設けられ、前記車両側制御手段との間で前記バッテリに関する情報を送受信可能に構成されるとともに、前記バッテリの充放電を管理する電力系統側バッテリ充放電管理手段と、
を備えており、
前記電力系統側バッテリ充放電管理手段が前記バッテリの充放電の開始指令を前記車両側制御手段に送信することにより、V2Gの実行を開始した場合において、
前記車両側制御手段は、前記検出されたバッテリ温度が所定温度よりも低いときに、前記冷却回路連結手段を制御することにより、前記バッテリ冷却回路と前記電力変換器冷却回路とを連結することを特徴とする電動車両のバッテリ温度制御装置。 - 前記車両側制御手段は、前記検出されたバッテリ温度が前記所定温度よりも低いときに、前記電力系統側バッテリ充放電管理手段に、前記バッテリが加温されるべき状態であることを表す加温要求を送信するとともに、前記バッテリが充放電する際の出力制限値を送信し、
前記電力系統側バッテリ充放電管理手段は、前記加温要求を受信したときに、受信した前記出力制限値に応じ、当該出力制限値を超えないよう、前記車両側制御手段に対し、前記バッテリが充放電すべき出力要求を行うことを特徴とする請求項1に記載の電動車両のバッテリ温度制御装置。 - 前記車両側制御手段は、前記電力系統側バッテリ充放電管理手段に、前記バッテリに対する所定の出力プロファイルを送信し、
前記電力系統側バッテリ充放電管理手段は、受信した前記出力プロファイルに応じて、前記車両側制御手段に対し、前記バッテリが充放電すべき出力要求を行うことを特徴とする請求項1又は2に記載の電動車両のバッテリ温度制御装置。 - 前記車両側制御手段は、前記検出されたバッテリ温度が前記所定温度以上のときに、前記冷却回路連結手段を制御することにより、前記バッテリ冷却回路と前記電力変換器冷却回路との連結を解除することを特徴とする請求項1から3のいずれかに記載の電動車両のバッテリ温度制御装置。
- 前記冷却回路連結手段は、前記冷媒が流出入可能な4つの出入り口を有しかつ当該4つの出入り口のうちの任意の2つの出入り口を互いに連通可能に構成された四方弁を備えており、
前記4つの出入り口のうちの2つの出入り口に前記バッテリ冷却回路が接続され、他の2つの出入り口に前記電力変換器冷却回路が接続されていることを特徴とする請求項1から4のいずれかに記載の電動車両のバッテリ温度制御装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020007704A JP7427454B2 (ja) | 2020-01-21 | 2020-01-21 | 電動車両のバッテリ温度制御装置 |
CN202011536508.5A CN113224403B (en) | 2020-01-21 | 2020-12-23 | Battery temperature control device for electric vehicle |
US17/153,847 US11787308B2 (en) | 2020-01-21 | 2021-01-20 | Battery temperature control device of electric vehicle |
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JP2020007704A JP7427454B2 (ja) | 2020-01-21 | 2020-01-21 | 電動車両のバッテリ温度制御装置 |
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JP2021114878A true JP2021114878A (ja) | 2021-08-05 |
JP7427454B2 JP7427454B2 (ja) | 2024-02-05 |
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JP6911064B2 (ja) * | 2019-01-09 | 2021-07-28 | 本田技研工業株式会社 | 蓄電池の充電システム及び蓄電池の充電システムの制御装置 |
JP7111078B2 (ja) * | 2019-08-27 | 2022-08-02 | トヨタ自動車株式会社 | 電動車両 |
KR20210129482A (ko) * | 2020-04-20 | 2021-10-28 | 현대자동차주식회사 | 차량용 전력계의 냉각 시스템 |
JP2022156569A (ja) * | 2021-03-31 | 2022-10-14 | 本田技研工業株式会社 | グリッドシステム、電力授受方法及びコンピュータプログラム |
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US11780607B2 (en) | 2021-10-31 | 2023-10-10 | Beta Air, Llc | Connector with ambience monitoring capability and methods of use for charging an electric aircraft |
CN114285053B (zh) * | 2021-11-11 | 2024-06-14 | 华为数字能源技术有限公司 | 储能充电站 |
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