JP7472189B2 - 温調装置及び車両 - Google Patents
温調装置及び車両 Download PDFInfo
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- 238000005259 measurement Methods 0.000 claims description 39
- 238000001816 cooling Methods 0.000 claims description 17
- 238000011144 upstream manufacturing Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 25
- 238000010438 heat treatment Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 12
- 239000002826 coolant Substances 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Description
下記特許文献1には、バッテリを冷却する第1の冷却水流路と、モータジェネレータ及びインバータを冷却する第2の冷却水流路と、を備え、外気温又はバッテリ水温に応じて、第1の冷却水流路と、第2の冷却水流路とを接続または分離する冷却水流路が開示されている。
(1):この発明の一態様に係る温調装置は、熱媒体を循環させる温調回路と、前記熱媒体の温度を測定する第1温度センサと、前記温調回路に熱的に接続されたバッテリと、前記バッテリの温度を測定する第2温度センサと、前記温調回路に熱的に接続された発熱機器と、前記温調回路の流路を切り替えて、前記バッテリの下流側を前記発熱機器の下流側に接続する第1温調回路と、前記バッテリの下流側を前記発熱機器の上流側に接続する第2温調回路と、を形成する流路切替装置と、前記第1温度センサ及び前記第2温度センサの測定結果に基づいて、前記流路切替装置を制御し、前記温調回路を、前記第1温調回路または前記第2温調回路に間欠的に切り替えさせる間欠運転モードを有する制御装置と、を備え、前記流路切替装置は、前記温調回路において、前記バッテリの下流側を前記発熱機器の下流側に接続するバイパス流路と、前記バイパス流路を開閉して、前記第1温調回路と前記第2温調回路とを切り替える流路切換弁と、を有する。
温調装置1は、図示しない車両に搭載されている。当該車両は、例えば、駆動源としてモータのみを有する電気自動車であってもよく、モータ及び内燃機関を有するハイブリッド自動車でもよい。
温調装置1は、図1に示すように、熱媒体を循環させる温調回路10を備えている。
図2に示すように、温調装置1は、上述した複数の温度センサ30,31,32,33、第1流路切替装置40、及び第2流路切替装置41と電気的に接続されると共に、上述したバッテリ20及び発熱機器(駆動装置21、充電装置22)と電気的に接続された制御装置50を備える。制御装置50は、バッテリ20及び発熱機器の温度を管理する複数の運転モードを備える。
図3に示すように、制御装置50は、第1流路切替装置40を制御し、温調回路10を、第1温調回路10aまたは第2温調回路10bに間欠的に切り替えさせる間欠運転モード10Aを有する。間欠運転モード10Aは、主に熱容量の大きいバッテリ20を加温する運転モードである。
図4に示すように、制御装置50は、第1流路切替装置40を制御し、温調回路10を上述した第2温調回路10bとする通常運転モード10Bを有する。通常運転モード10Bは、低温のバッテリ20及び発熱機器を加温する運転モードである。
図5に示すように、制御装置50は、第2流路切替装置41を制御し、ラジエータ15によって熱媒体を冷却させる冷却運転モード10Cを有する。冷却運転モード10Cは、高温のバッテリ20及び発熱機器を冷却する運転モードである。
図6に示すように、制御装置50は、温度センサ30(バッテリ20の入口の熱媒体の温度)の測定結果(TW)、及び、温度センサ31(バッテリ20自体の温度)の測定結果(Tbatt)に基づいて、運転モードを、間欠運転モード10A、通常運転モード10B、または冷却運転モード10Cに切り替える。
これにより、バッテリ20を、低温出力低下状態から、要求出力を出すことができる通常出力状態(例えば40℃~60℃)まで加温することができる。
冷却運転モード10Cでは、水加熱電気ヒータ13がOFFになると共にラジエータ15がONとなり、図5に示すように、ラジエータ15によって冷却された熱媒体が、バッテリ20及び発熱機器に供給される。これにより、バッテリ20及び発熱機器を冷却し、バッテリ20及び発熱機器が高温(例えば60℃以上)となり制御的にPS(Power Save)がかからないようにすることができる。
車両100の車体101には、車室102の床下部分にバッテリ20を収容するバッテリケース103が搭載されている。車両100の前部には、モータルーム104が設けられている。モータルーム104内には、モータ23、駆動装置21、分岐ユニット106、充電装置22等が設けられている。
10 温調回路
10a 第1温調回路
10b 第2温調回路
10A 間欠運転モード
10B 通常運転モード
10C 冷却運転モード
15 ラジエータ
20 バッテリ
21 駆動装置(発熱機器)
22 充電装置(発熱機器)
23 モータ
30 温度センサ(第1温度センサ)
32 温度センサ(第2温度センサ)
40 第1流路切替装置
41 第2流路切替装置
50 制御装置
100 車両
Claims (8)
- 熱媒体を循環させる温調回路と、
前記熱媒体の温度を測定する第1温度センサと、
前記温調回路に熱的に接続されたバッテリと、
前記バッテリの温度を測定する第2温度センサと、
前記温調回路に熱的に接続された発熱機器と、
前記温調回路の流路を切り替えて、前記バッテリの下流側を前記発熱機器の下流側に接続する第1温調回路と、前記バッテリの下流側を前記発熱機器の上流側に接続する第2温調回路と、を形成する流路切替装置と、
前記第1温度センサ及び前記第2温度センサの測定結果に基づいて、前記流路切替装置を制御し、前記温調回路を、前記第1温調回路または前記第2温調回路に間欠的に切り替えさせる間欠運転モードを有する制御装置と、を備え、
前記流路切替装置は、前記温調回路において、前記バッテリの下流側を前記発熱機器の下流側に接続するバイパス流路と、前記バイパス流路を開閉して、前記第1温調回路と前記第2温調回路とを切り替える流路切換弁と、を有する、温調装置。 - 前記制御装置は、前記第1温度センサの測定結果が高いほど、前記第1温調回路と前記第2温調回路とを間欠的に切り替える時間を短くする、請求項1に記載の温調装置。
- 前記発熱機器は、前記バッテリより熱容量が小さい、請求項1または2に記載の温調装置。
- 前記制御装置は、前記第1温度センサ及び前記第2温度センサの測定結果が所定の閾値未満、且つ、前記第1温度センサの測定結果が前記第2温度センサの測定結果以上の場合、前記流路切替装置を制御し、前記温調回路を前記第2温調回路とする通常運転モードを有し、
前記第1温度センサ及び前記第2温度センサの測定結果が前記閾値未満、且つ、前記第1温度センサの測定結果が前記第2温度センサの測定結果未満の場合、前記通常運転モードから前記間欠運転モードに切り替える、請求項3に記載の温調装置。 - 前記温調回路に熱的に接続され、前記熱媒体を冷却するラジエータを備え、
前記制御装置は、前記第1温度センサ及び前記第2温度センサの測定結果が前記閾値以上の場合、前記ラジエータによって前記熱媒体を冷却させる冷却運転モードを有する、請求項4に記載の温調装置。 - 前記発熱機器には、モータを駆動させる駆動装置が含まれる、請求項1~5のいずれか一項に記載の温調装置。
- 前記発熱機器には、外部電源と電気的に接続され、前記バッテリを充電する充電装置が含まれる、請求項1~6のいずれか一項に記載の温調装置。
- 請求項1~7のいずれか一項に記載の温調装置を備える、車両。
Priority Applications (3)
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JP2010064651A (ja) | 2008-09-11 | 2010-03-25 | Fuji Heavy Ind Ltd | 車両用モータ駆動系の温調制御装置 |
JP2019023059A (ja) | 2017-07-24 | 2019-02-14 | 株式会社デンソー | 冷却水回路 |
JP2020185829A (ja) | 2019-05-10 | 2020-11-19 | トヨタ自動車株式会社 | 車載温調装置 |
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JP2010064651A (ja) | 2008-09-11 | 2010-03-25 | Fuji Heavy Ind Ltd | 車両用モータ駆動系の温調制御装置 |
JP2019023059A (ja) | 2017-07-24 | 2019-02-14 | 株式会社デンソー | 冷却水回路 |
JP2020185829A (ja) | 2019-05-10 | 2020-11-19 | トヨタ自動車株式会社 | 車載温調装置 |
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