JP6011800B2 - Electric vehicle cooling control device - Google Patents

Electric vehicle cooling control device Download PDF

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JP6011800B2
JP6011800B2 JP2013025621A JP2013025621A JP6011800B2 JP 6011800 B2 JP6011800 B2 JP 6011800B2 JP 2013025621 A JP2013025621 A JP 2013025621A JP 2013025621 A JP2013025621 A JP 2013025621A JP 6011800 B2 JP6011800 B2 JP 6011800B2
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cooling
cooling water
control unit
traveling
control device
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JP2014155410A (en
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大嗣 竹中
大嗣 竹中
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Suzuki Motor Co Ltd
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Suzuki Motor Co Ltd
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Priority to DE102014001645.5A priority patent/DE102014001645A1/en
Priority to CN201410046266.XA priority patent/CN103978891B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • B60L50/62—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles charged by low-power generators primarily intended to support the batteries, e.g. range extenders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/40—DC to AC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/36—Temperature of vehicle components or parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/421—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/425—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles
    • 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
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    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
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    • Y02T10/64—Electric machine technologies in electromobility
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
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    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
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    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
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    • Y02T10/72—Electric energy management in electromobility

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Description

この発明は、走行用の電動機を含む走行装置を備えた電動車両に関し、特に、走行装置の冷却を行う冷却制御装置に関する。   The present invention relates to an electric vehicle including a traveling device including an electric motor for traveling, and more particularly to a cooling control device that cools the traveling device.

近年、電気自動車（ＥＶ）、ハイブリッド自動車（ＨＥＶ）、燃料電池自動車ＦＣＶ）等の、環境に配慮した電動車両が注目されている。電動車両には、走行用の電動機を含む走行装置が搭載されている。走行装置は、電動機以外にも、発電機、電動機制御用のインバータ、アクセサリーコンセントＡＣ１００Ｖ出力用のＤＣＡＣインバータ、ＤＣ１２Ｖ供給用のＤＣＤＣコンバータ、高電圧バッテリ、高電圧バッテリ用の充電器などの、高電圧機器が含まれる。
電動車両は、これらの高電圧機器を含む走行装置の冷却、または加温のために、走行装置を冷却するための冷却水を収めて走行装置に接続される冷却装置と、冷却装置に流れる冷却水の循環速度を変更する制御装置とを備えた冷却制御装置を用意し、高電圧機器を含む走行装置に冷却水通路にて冷却水を循環させて過熱防止、低温下での性能低下を防いでいる。 In recent years, environmentally-friendly electric vehicles such as electric vehicles (EV), hybrid vehicles (HEV), and fuel cell vehicles FCV) have attracted attention. An electric vehicle is equipped with a traveling device including an electric motor for traveling. In addition to the electric motor, the traveling device has a high voltage such as a generator, an inverter for controlling the electric motor, a DCAC inverter for accessory outlet AC100V output, a DCDC converter for supplying DC12V, a high voltage battery, a charger for high voltage battery, etc. Equipment is included.
In order to cool or warm the traveling device including these high-voltage devices, the electric vehicle stores cooling water for cooling the traveling device and is connected to the traveling device, and cooling that flows through the cooling device. A cooling control device equipped with a control device that changes the circulation speed of water is prepared, and cooling water is circulated through the cooling water passage to the traveling device including high voltage equipment to prevent overheating and performance deterioration at low temperatures. It is out.

従来、電動車両の冷却制御装置は、車両の走行に用いられる電動機を冷却するために、電動機にウォータジャケットを形成し、このウォータジャケットに冷却水を循環供給する冷却水通路を接続した電動機の冷却装置が知られている（特許文献１）。また、この冷却装置は、冷却水を加圧するウォータポンプと冷却水が電動機から受け取った熱を放熱するためのヒートシンクが設けられ、電動機を冷却中に冷却水の温度が上昇することを防止している。   2. Description of the Related Art Conventionally, a cooling control device for an electric vehicle has a water jacket formed in the electric motor for cooling the electric motor used for running the vehicle, and the cooling of the electric motor is connected to a cooling water passage that circulates and supplies cooling water to the water jacket. An apparatus is known (Patent Document 1). In addition, this cooling device is provided with a water pump for pressurizing the cooling water and a heat sink for dissipating the heat received by the cooling water from the electric motor, and prevents the temperature of the cooling water from rising while cooling the electric motor. Yes.

特開２００８−２０６２１３号公報JP 2008-206213 A

ところで、前記冷却制御装置に備えられた冷却装置は、放熱用のラジエータ、水を循環させる電動ウォータポンプ、冷却水通路内のエアを注入口から大気に排出するデガスタンクで構成される。このデガスタンクは、冷却水通路内の余剰水、冷却水の熱膨張、経年による水量増減を吸収する、リザーブタンクの機能も備えている。
上記のような冷却装置においては、冷却水の交換や使用による変質などの原因により冷却水通路中に気泡が発生することがある。また、気泡は、冷却水と比較して熱の吸収が悪く、電動機の冷却性能を低下させてしまうため、電動ウォータポンプで冷却水を定期的に循環させ、デガスタンクに気泡を放出させる必要がある。 Incidentally, the cooling device provided in the cooling control device includes a radiator for heat dissipation, an electric water pump for circulating water, and a degas tank for discharging air in the cooling water passage from the inlet to the atmosphere. This degas tank also has a reserve tank function for absorbing excess water in the cooling water passage, thermal expansion of the cooling water, and fluctuations in water volume over time.
In the cooling device as described above, bubbles may be generated in the cooling water passage due to changes in the cooling water or deterioration due to use. In addition, air bubbles absorb less heat than cooling water and reduce the cooling performance of the electric motor, so it is necessary to periodically circulate the cooling water with an electric water pump and release the air bubbles to the degas tank. is there.

しかし、冷却制御装置による電動ウォータポンプの駆動条件は、車両が走行可能状態であることや高電圧バッテリが充電状態であり、かつ、冷却水温が設定温度に達した場合など、動作する条件が限定される。このため、容易に電動ウォータポンプを駆動することができず、冷却水を循環させ、デガスタンクに気泡を放出させることができなかった。
しかも、気泡放出のために電動ウォータポンプを駆動する手法には、特殊な工具やサービスツールを用意し、複雑な操作や長時間の作業を要求される。さらに、冷却水通路は、一般的に屈曲させながら設けられるため、単に電動ウォータポンプを駆動して冷却水を循環させても、気泡が通路内に残留する虞があった。
このため、電動車両を使用する乗員は、車両メーカーなどに気泡の除去を依頼しなければならず、利便性が悪いという問題があった。 However, the driving condition of the electric water pump by the cooling control device is limited to operating conditions such as when the vehicle is ready to travel, the high voltage battery is in a charged state, and the cooling water temperature reaches the set temperature. Is done. For this reason, the electric water pump could not be driven easily, the cooling water was circulated, and the bubbles could not be discharged into the degas tank.
In addition, a special tool or service tool is prepared as a method for driving the electric water pump for releasing bubbles, and complicated operations and long-time work are required. Furthermore, since the cooling water passage is generally provided while being bent, there is a possibility that bubbles may remain in the passage even if the electric water pump is simply driven to circulate the cooling water.
For this reason, the passenger | crew who uses an electric vehicle had to request removal of a bubble from a vehicle maker etc., and there existed a problem that the convenience was bad.

そこで、この発明は上記の問題に鑑みて成されたものであり、利便性が良く、確実な気泡除去ができる電動車両の冷却制御装置を提供することを目的とする。   Therefore, the present invention has been made in view of the above problems, and an object thereof is to provide a cooling control device for an electric vehicle that is convenient and can reliably remove bubbles.

この発明は、走行用の駆動力を出力する電動機を含む走行装置と、前記走行装置を冷却するための冷却水を収め、前記走行装置に接続される冷却装置と、前記冷却装置に流れる冷却水の循環速度を変更する制御装置と、前記走行装置に電力を供給する蓄電池とを備えた電動車両の冷却制御装置であって、前記制御装置は、前記走行装置の温度に応じて前記冷却水の循環速度を変更する冷却制御部と、乗員が行う所定の操作を検出する操作検出部と、前記蓄電池の充電量が走行可能な量であると判断され、前記所定の操作が検出されたとき、前記冷却制御部が設定する循環速度より速い循環速度に前記冷却水を制御する気泡除去制御部とを備えることを特徴とする。 The present invention relates to a traveling device including an electric motor that outputs a driving force for traveling, a cooling device for storing cooling water for cooling the traveling device, connected to the traveling device, and cooling water flowing through the cooling device. An electric vehicle cooling control device comprising: a control device that changes the circulation speed of the vehicle; and a storage battery that supplies electric power to the traveling device , wherein the control device is configured to control the cooling water according to the temperature of the traveling device. When the cooling control unit that changes the circulation speed, the operation detection unit that detects a predetermined operation performed by an occupant, and the amount of charge of the storage battery is determined to be a travelable amount, and the predetermined operation is detected, A bubble removal control unit configured to control the cooling water at a circulation rate faster than a circulation rate set by the cooling control unit.

このような構成によって、乗員は、車両メーカーなどへ気泡の除去を依頼する必要がなく、利便性が向上する。また、屈曲した冷却水通路であっても確実に気泡を除去することができる。
当然ながら気泡除去制御による冷却水の循環速度は、冷却装置の電動ウォータポンプを最大出力で駆動させたとき、最も効率良く気泡を除去することができる。 With such a configuration, the power of members, vehicle manufacturers there is no need to ask the removal of air bubbles to, such as, the convenience is improved. Further, it can be a cooling water passage that bending song to remove reliably the bubbles.
The circulation rate of the cooling water by Naturally while bubble removing control, the electric water pump of the cooling device when driven at maximum output, can be removed most efficiently bubbles.

図１は電動車両の冷却制御装置のシステム構成図である。（実施例）FIG. 1 is a system configuration diagram of a cooling control device for an electric vehicle. (Example) 図２は電動車両の冷却制御装置の制御フローチャートである。（実施例）FIG. 2 is a control flowchart of the cooling control device for the electric vehicle. (Example)

以下、図面に基づいて、この発明の実施例を説明する。   Embodiments of the present invention will be described below with reference to the drawings.

図１、図２は、この発明の実施例を示すものである。図１において、電動車両の冷却制御装置１は、走行装置２と冷却装置３と制御装置４とを備えている。
前記走行装置２は、走行用の駆動力を出力する電動機５を含み、発電機６、電動機制御用のインバータ７、アクセサリーコンセントＡＣ１００Ｖ出力用のＤＣＡＣインバータ８、ＤＣ１２Ｖ供給用のＤＣＤＣコンバータ９、高電圧バッテリ１０、高電圧バッテリ１０用の充電器１１などの、高電圧機器が含まれる。
前記冷却装置３は、放熱用のラジエータ１２、冷却水を循環させる電動ウォータポンプ１３、エアを排出するデガスタンク１４、冷却水を還流させる冷却水通路１５で構成される。冷却水通路１５（走行装置２内部を流通する通路を合む）は、電動ウォータポンプ１３の駆動による水流で、その経路内のエアが全てデガスタンク１４まで送出される構造となっている。電動ウォータポンプ１３は、冷却水通路１５内のエアをデガスタンク１４まで排出できる圧送（揚水）能力を持っている。
デガスタンク１４は、冷却水の注入口１６を有し、冷却水通路１５内のエアを注入口１６から大気に排出できる構造となっている。このデガスタンク１４は、冷却水通路１５内の余剰水、冷却水の熱膨張、経年による水量増減を吸収する、リザーブタンクの機能も備えている。
前記冷却装置３は、走行装置２を冷却するための冷却水を収め、冷却水通路１５で走行装置２の電動機５、発電機６、インバータ７、ＤＣＡＣインバータ８、ＤＣＤＣコンバータ９、高電圧バッテリ１０、充電器１１に接続される。冷却装置３は、電動ウォータポンプ１３で冷却水を循環させて受熱し、ラジエータ１２で冷却水を冷却して放熱することで、走行装置２を構成する電動機５などの過熱防止、低温下での性能低下を防いでいる。電動ウォータポンプ１３は、前記制御装置４に接続されている。 1 and 2 show an embodiment of the present invention. In FIG. 1, a cooling control device 1 for an electric vehicle includes a traveling device 2, a cooling device 3, and a control device 4.
The traveling device 2 includes an electric motor 5 that outputs a driving force for traveling, a generator 6, an inverter 7 for motor control, a DCAC inverter 8 for output of an accessory outlet AC100V, a DCDC converter 9 for supplying DC12V, a high voltage High voltage devices such as the battery 10 and the charger 11 for the high voltage battery 10 are included.
The cooling device 3 includes a radiator 12 for heat dissipation, an electric water pump 13 for circulating cooling water, a degas tank 14 for discharging air, and a cooling water passage 15 for circulating cooling water. The cooling water passage 15 (combined with the passage that circulates inside the traveling device 2) is a water flow driven by the electric water pump 13, and has a structure in which all the air in the passage is sent to the degas tank 14. The electric water pump 13 has a pumping (pumping) capability capable of discharging the air in the cooling water passage 15 to the degas tank 14.
The degas tank 14 has a cooling water inlet 16, and has a structure in which air in the cooling water passage 15 can be discharged from the inlet 16 to the atmosphere. The degas tank 14 also has a reserve tank function for absorbing excess water in the cooling water passage 15, thermal expansion of the cooling water, and increase / decrease in the amount of water due to aging.
The cooling device 3 stores cooling water for cooling the traveling device 2, and an electric motor 5, a generator 6, an inverter 7, a DCAC inverter 8, a DCDC converter 9, and a high voltage battery 10 of the traveling device 2 through the cooling water passage 15. , Connected to the charger 11. The cooling device 3 circulates cooling water with the electric water pump 13 to receive heat, and cools the cooling water with the radiator 12 to dissipate heat, thereby preventing overheating of the electric motor 5 and the like constituting the traveling device 2 at a low temperature. This prevents performance degradation. The electric water pump 13 is connected to the control device 4.

前記制御装置４は、電動ウォータポンプ１３を制御して冷却装置３に流れる冷却水の循環速度を変更する。制御装置４は、走行装置２の温度として冷却水通路１５を流れる冷却水温度を検出する水温検出手段（水温センサ）１７と、水温検出手段１７により検出された走行装置２の温度に応じて冷却水の循環速度Ｖ１を変更する冷却制御部１８と、乗員が行う所定の操作を検出する操作検出部１９と、前記操作検出部１９により所定の操作が検出されたとき、前記冷却制御部１８が設定する循環速度Ｖ１より速い循環速度Ｖ２（Ｖ１＜Ｖ２）に前記冷却水を制御する気泡除去制御部２０とを備えている。
冷却制御部１８は、電動ウォータポンプ１３の駆動を制御することで、冷却水の循環速度Ｖ１を変更する。気泡除去制御部２０は、電動ウォータポンプ１３の駆動を制御することで、循環速度Ｖ１より速い循環速度Ｖ２に変更する。
前記操作検出部１９は、少なくとも電動車両のフードの開閉状態を物理的に検出するフードスイッチからなる。前記制御装置４は、乗員がフードを開く操作を行って操作検出部１９によりフードが開状態であることを検出したとき、前記気泡除去制御部２０に気泡除去制御の実行許可を出力する。
なお、制御装置４には、バッテリ状態検出装置２１、インバータ制御装置２２、バッテリ充電器制御装置２３、ＤＣＤＣコンバータ制御装置２４、ＤＣＡＣインバータ制御装置２５、内燃機関制御装置２６が接続されている。制御装置４は、これら各制御装置２１〜２６と通信により情報を交換し、各種の制御を行う。 The control device 4 controls the electric water pump 13 to change the circulation speed of the cooling water flowing through the cooling device 3. The control device 4 cools according to the temperature of the traveling device 2 detected by the water temperature detecting means (water temperature sensor) 17 that detects the temperature of the cooling water flowing through the cooling water passage 15 as the temperature of the traveling device 2 and the water temperature detecting means 17. When the cooling control unit 18 that changes the water circulation speed V1, the operation detection unit 19 that detects a predetermined operation performed by an occupant, and the operation detection unit 19 detects a predetermined operation, the cooling control unit 18 And a bubble removal control unit 20 for controlling the cooling water to a circulation speed V2 (V1 <V2) faster than the circulation speed V1 to be set.
The cooling control unit 18 controls the drive of the electric water pump 13 to change the cooling water circulation speed V1. The bubble removal control unit 20 controls the driving of the electric water pump 13 to change the circulation speed V2 to be faster than the circulation speed V1.
The operation detection unit 19 includes at least a hood switch that physically detects the open / closed state of the hood of the electric vehicle. When the occupant performs an operation to open the hood and the operation detection unit 19 detects that the hood is in the open state, the control device 4 outputs an execution permission for the bubble removal control to the bubble removal control unit 20.
The controller 4 is connected to a battery state detector 21, an inverter controller 22, a battery charger controller 23, a DCDC converter controller 24, a DCAC inverter controller 25, and an internal combustion engine controller 26. The control device 4 exchanges information through communication with these control devices 21 to 26, and performs various controls.

次に作用を説明する。
電動車両の冷却制御装置１は、冷却制御部１８により冷却制御を実行して電動機５を含む走行装置２を冷却し、気泡除去制御部２０により気泡除去制御を実行して気泡を除去する。
電動車両の冷却制御装置１は、図２に示すように、制御のプログラムがスタートすると（１００）、電源がＯＮされて電力を供給されているかを判断する（１０１）。
この判断（１０１）がＹＥＳの場合は、バッテリ状態検出装置２１と通信し、高電圧バッテリ１０の充電量が電動機５による走行が可能な量（電動車両が走行可能状態）であるかを判断する（１０２）。
この判断（１０２）がＮＯ（電動車両が走行不可能状態）の場合は、判断（１０１）にリターンする（１０５）。この判断（１０２）がＹＥＳ（電動車両が走行可能状態）の場合は、操作検出部１９によりフードが開状態であることを検出したかを判断する（１０３）。
この判断（１０３）がＹＥＳの場合は、気泡除去制御を実行し（１０４）、判断（１０１）にリターンする（１０５）。
一方、前記判断（１０１）がＮＯの場合は、内燃機関制御装置２６と通信し、内燃機関制御装置２６が内燃機関で発電機６を駆動して高電圧バッテリ１０を充電中であるかを判断する（１０６）。
この判断（１０６）がＮＯの場合は、判断（１０１）にリターンする（１０５）。この判断（１０６）がＹＥＳの場合は、操作検出部１９によりフードが開状態であることを検出したかを判断する（１０３）。
この判断（１０３）がＹＥＳの場合は、前記のように気泡除去制御を実行し（１０４）、判断（１０１）にリターンする（１０５）。この判断（１０３）がＮＯの場合は、冷却制御を実行し（１０７）、判断（１０１）にリターンする（１０５）。
前記冷却制御においては、電動機５やインバータ７などの走行装置２を流れる冷却水温度に応じて電動ウォータポンプ１３の回転数を決定して駆動し、冷却水の循環速度Ｖ１を変更する。前記気泡除去制御においては、電動ウォータポンプ１３を冷却制御よりも高い回転数で駆動し、冷却制御部１８が設定する循環速度Ｖ１より速い循環速度Ｖ２（Ｖ１＜Ｖ２）に冷却水を制御する。 Next, the operation will be described.
The cooling control device 1 of the electric vehicle executes cooling control by the cooling control unit 18 to cool the traveling device 2 including the electric motor 5, and executes bubble removal control by the bubble removal control unit 20 to remove bubbles.
As shown in FIG. 2, when the control program starts (100), the cooling control apparatus 1 for the electric vehicle determines whether the power is turned on and electric power is supplied (101).
When this determination (101) is YES, it communicates with the battery state detection device 21 to determine whether the charge amount of the high voltage battery 10 is an amount that allows the electric motor 5 to travel (the electric vehicle can travel). (102).
If this determination (102) is NO (the electric vehicle cannot travel), the process returns to determination (101) (105). If the determination (102) is YES (the electric vehicle can travel), it is determined whether the operation detection unit 19 has detected that the hood is open (103).
If this determination (103) is YES, bubble removal control is executed (104), and the process returns to determination (101) (105).
On the other hand, when the determination (101) is NO, the communication with the internal combustion engine control device 26 is performed, and it is determined whether the internal combustion engine control device 26 is driving the generator 6 with the internal combustion engine and charging the high voltage battery 10. (106).
If this determination (106) is NO, the process returns to determination (101) (105). If this determination (106) is YES, it is determined whether the operation detection unit 19 has detected that the hood is open (103).
If the determination (103) is YES, the bubble removal control is executed as described above (104), and the process returns to the determination (101) (105). If this determination (103) is NO, cooling control is executed (107), and the process returns to determination (101) (105).
In the cooling control, the rotational speed of the electric water pump 13 is determined and driven according to the temperature of the cooling water flowing through the traveling device 2 such as the electric motor 5 and the inverter 7 to change the circulating speed V1 of the cooling water. In the bubble removal control, the electric water pump 13 is driven at a higher rotational speed than the cooling control, and the cooling water is controlled to a circulation speed V2 (V1 <V2) faster than the circulation speed V1 set by the cooling control unit 18.

電動車両の冷却制御装置１は、水温検出手段１７の検出する水温が設定水温に到達した場合に、冷却制御部１８による冷却制御を実行し、電動ウォータポンプ１３を駆動して冷却水を循環速度Ｖ１で循環させ、走行装置２を冷却する。冷却制御部１８は、水温に従って、段階的に電動ウォータポンプ１３の回転数を増加させて循環速度Ｖ１を変更し、冷却を行う。冷却制御部１８は、冷却対象の走行装置２から、冷却要求信号を受信した場合も、電動ウォータポンプ１３を駆動させる。
なお、冷却制御部１８は、上記に加えて、車速に応じ、ラジエータ冷却用電動ファンも駆動させる。冷却制御部１８は、冷却水が入っていない状態（空転）を検知すると、電動ウォータポンプ１３の軸受けの過熱を防止するために間欠運転を行う制御を実行する。
また、電動車両の冷却制御装置１は、電動車両が走行可能状態（高電圧バッテリ１０の充電量が電動機５による走行が可能な量）、または、高電圧バッテリ１０が充電状態（充電中）であり、かつ、操作検出部１９によりフードが開状態であることを検出した場合に、気泡除去制御部２０による気泡除去制御に移行し、気泡除去制御部２０に気泡除去制御の実行許可を出力し、電動ウォータポンプ１３を駆動させる。このとき、気泡除去制御部２０は、電動ウォータポンプ１３を冷却制御よりも高い回転数で駆動し、冷却制御部１８が設定する循環速度Ｖ１より速い循環速度Ｖ２（Ｖ１＜Ｖ２）に冷却水を制御する。
気泡除去制御を実行する条件を判定する際に、電動車両の状態とフードの開状態との順序は問わない。気泡除去制御部２０は、気泡除去制御の実行中に、水温、冷却対象の走行装置２からの冷却信号、に関係なく、電動ウォータポンプ１３を全開駆動させる。これにより、気泡除去制御部２０は、冷却制御部１８が設定する循環速度Ｖ１より速い循環速度Ｖ２（Ｖ１＜Ｖ２）に冷却水を制御する。
気泡除去制御部２０は、操作検出部１９によりフードが閉状態であることを検出した場合、イグニッションキーがオフ操作された場合、高電圧バッテリ１０の充電が停止した場合に、冷却制御部１８による冷却制御に戻る。なお、気泡除去制御部２０は、冷却水が入っていない状態（空転）を検知すると、冷却制御部１８による冷却制御と同様に、電動ウォータポンプ１３の軸受けの過熱を防止するために間欠運転を行う制御を実行する。 When the water temperature detected by the water temperature detecting means 17 reaches the set water temperature, the cooling control device 1 for the electric vehicle executes cooling control by the cooling control unit 18 and drives the electric water pump 13 to circulate the cooling water. The traveling device 2 is cooled by circulating at V1. The cooling control unit 18 increases the rotational speed of the electric water pump 13 in a stepwise manner according to the water temperature, changes the circulation speed V1, and performs cooling. The cooling control unit 18 also drives the electric water pump 13 when receiving a cooling request signal from the traveling device 2 to be cooled.
In addition to the above, the cooling control unit 18 also drives a radiator cooling electric fan according to the vehicle speed. When the cooling control unit 18 detects a state in which cooling water is not contained (idling), the cooling control unit 18 performs control to perform intermittent operation in order to prevent overheating of the bearing of the electric water pump 13.
The cooling control apparatus 1 for an electric vehicle is in a state where the electric vehicle can travel (the amount of charge of the high voltage battery 10 can be traveled by the electric motor 5) or the high voltage battery 10 is in a charged state (charging). If the operation detection unit 19 detects that the hood is in the open state, the operation shifts to the bubble removal control by the bubble removal control unit 20 and outputs the bubble removal control execution permission to the bubble removal control unit 20. Then, the electric water pump 13 is driven. At this time, the bubble removal control unit 20 drives the electric water pump 13 at a higher rotational speed than the cooling control, and supplies the cooling water to a circulation speed V2 (V1 <V2) faster than the circulation speed V1 set by the cooling control unit 18. Control.
When determining the conditions for executing the bubble removal control, the order of the state of the electric vehicle and the open state of the hood does not matter. During the execution of the bubble removal control, the bubble removal control unit 20 drives the electric water pump 13 to be fully opened regardless of the water temperature and the cooling signal from the traveling device 2 to be cooled. Thereby, the bubble removal control unit 20 controls the cooling water at a circulation speed V2 (V1 <V2) faster than the circulation speed V1 set by the cooling control unit 18.
When the operation detection unit 19 detects that the hood is closed, the bubble removal control unit 20 performs the cooling control unit 18 when the ignition key is turned off, or when the charging of the high voltage battery 10 is stopped. Return to cooling control. When the bubble removal control unit 20 detects a state in which no cooling water is contained (idling), the air bubble removal control unit 20 performs intermittent operation to prevent overheating of the bearing of the electric water pump 13 as in the cooling control by the cooling control unit 18. Execute the control to be performed.

このように、電動車両の冷却制御装置１は、気泡除去制御部２０が、冷却制御より速い循環速度Ｖ２で冷却水を循環させ、気泡を除去する。従って、乗員は、車両メーカーなどへ気泡の除去を依頼する必要がなく、利便性が向上する。
また、乗員が所定の操作を行うと、気泡除去制御部２０は、冷却水の循環を開始する。このとき、気泡除去制御部２０は、冷却制御時の循環速度Ｖ１より速い循環速度Ｖ２で冷却水を循環させるため、屈曲した冷却水通路１５であっても確実に気泡を除去することができる。
なお、当然ながら気泡除去制御による冷却水の循環速度Ｖ２は、電動ウォータポンプ１３を最大出力で駆動させたとき、最も効率良く気泡を除去することができる。
乗員が行う所定の操作を検出する操作検出部１９は、乗員が行う操作による少なくとも電動車両のフードの開閉状態を検出する。制御装置４は、電動車両が走行可能状態（高電圧バッテリ１０の充電量が電動機５による走行が可能な量）、または、高電圧バッテリ１０が充電状態（充電中）であり、かつ、乗員が行った操作で操作検出部１９によりフードが開状態であることを検出したとき、気泡除去制御部１８に気泡除去制御の実行許可を出力する。
これにより、乗員がフードを開いたときには、冷却制御装置１により気泡除去制御が実行されるため、電動車両の点検時に自動的に気泡除去制御を実行させることができる。
Thus, the cooling control device 1 of the electric vehicle, bubble removing control unit 20, by circulating cooling water at a faster than cooling control circulation rate V2, to remove air bubbles. Therefore, the occupant does not need to request removal of bubbles from a vehicle manufacturer or the like, and convenience is improved.
Moreover, if a passenger | crew performs predetermined | prescribed operation, the bubble removal control part 20 will start the circulation of cooling water. At this time, since the bubble removal control unit 20 circulates the cooling water at a circulation speed V2 that is faster than the circulation speed V1 during the cooling control, the bubbles can be reliably removed even in the bent cooling water passage 15.
Of course, the cooling water circulation speed V <b> 2 by the bubble removal control can remove bubbles most efficiently when the electric water pump 13 is driven at the maximum output.
The operation detection unit 19 that detects a predetermined operation performed by the occupant detects at least the open / closed state of the hood of the electric vehicle by the operation performed by the occupant. The control device 4 is in a state in which the electric vehicle can travel (the amount of charge of the high voltage battery 10 can be traveled by the electric motor 5), or the high voltage battery 10 is in a charged state (charging), and the occupant When the operation detection unit 19 detects that the hood is in the open state in the performed operation, the execution permission of the bubble removal control is output to the bubble removal control unit 18.
As a result, when the occupant opens the hood, the bubble removal control is executed by the cooling control device 1, so that the bubble removal control can be automatically executed when the electric vehicle is inspected.

この発明は、電動車両の冷却制御装置において、便性が良く、確実な気泡除去ができるものであり、高温下、低温下では充放電性能が低下する高電圧バッテリを水で冷却、加温する冷却装置を備えた電動車両にも適用することが可能である。   The present invention provides a cooling control device for an electric vehicle, which has good convenience and can reliably remove bubbles, and cools and heats a high voltage battery whose charge / discharge performance deteriorates at high and low temperatures with water. The present invention can also be applied to an electric vehicle equipped with a cooling device.

１ 電動車両の冷却制御装置
２ 走行装置
３ 冷却装置
４ 制御装置
５ 電動機
６ 発電機
７ インバータ
８ ＤＣＡＣインバータ
９ ＤＣＤＣコンバータ
１０ 高電圧バッテリ
１１ 充電器
１２ ラジエータ
１３ 電動ウォータポンプ
１４ デガスタンク
１５ 冷却水通路
１６ 注入口
１７ 水温検出手段
１８ 冷却制御部
１９ 操作検出部
２０ 気泡除去制御部
２１ バッテリ状態検出装置
２２ インバータ制御装置
２３ バッテリ充電器制御装置
２４ ＤＣＤＣコンバータ制御装置
２５ ＤＣＡＣインバータ制御装置
２６ 内燃機関制御装置 DESCRIPTION OF SYMBOLS 1 Cooling control apparatus of electric vehicle 2 Traveling apparatus 3 Cooling apparatus 4 Control apparatus 5 Electric motor 6 Generator 7 Inverter 8 DCAC inverter 9 DCDC converter 10 High voltage battery 11 Charger 12 Radiator 13 Electric water pump 14 Degas tank 15 Cooling water passage 16 Inlet 17 Water temperature detection means 18 Cooling control unit 19 Operation detection unit 20 Bubble removal control unit 21 Battery state detection device 22 Inverter control device 23 Battery charger control device 24 DCDC converter control device 25 DCAC inverter control device 26 Internal combustion engine control device

Claims (2)

走行用の駆動力を出力する電動機を含む走行装置と、前記走行装置を冷却するための冷却水を収め、前記走行装置に接続される冷却装置と、前記冷却装置に流れる冷却水の循環速度を変更する制御装置と、前記走行装置に電力を供給する蓄電池とを備えた電動車両の冷却制御装置であって、前記制御装置は、前記走行装置の温度に応じて前記冷却水の循環速度を変更する冷却制御部と、乗員が行う所定の操作を検出する操作検出部と、前記蓄電池の充電量が走行可能な量であると判断され、前記所定の操作が検出されたとき、前記冷却制御部が設定する循環速度より速い循環速度に前記冷却水を制御する気泡除去制御部とを備えることを特徴とする電動車両の冷却制御装置。 A traveling device including an electric motor that outputs a driving force for traveling, cooling water for cooling the traveling device, a cooling device connected to the traveling device, and a circulation rate of cooling water flowing through the cooling device A cooling control device for an electric vehicle including a control device to be changed and a storage battery for supplying power to the traveling device , wherein the control device changes a circulation rate of the cooling water according to a temperature of the traveling device. A cooling control unit that detects a predetermined operation performed by an occupant, and when the predetermined operation is detected when the charge amount of the storage battery is determined to be a travelable amount, the cooling control unit And a bubble removal control unit for controlling the cooling water at a circulation speed faster than a circulation speed set by the cooling control apparatus for an electric vehicle. 走行用の駆動力を出力する電動機を含む走行装置と、前記走行装置を冷却するための冷却水を収め、前記走行装置に接続される冷却装置と、前記冷却装置に流れる冷却水の循環速度を変更する制御装置と、前記走行装置に電力を供給する蓄電池とを備えた電動車両の冷却制御装置であって、前記制御装置は、前記走行装置の温度に応じて前記冷却水の循環速度を変更する冷却制御部と、乗員が行う所定の操作を検出する操作検出部と、前記蓄電池が充電中であると判断され、前記所定の操作が検出されたとき、前記冷却制御部が設定する循環速度より速い循環速度に前記冷却水を制御する気泡除去制御部とを備えることを特徴とする電動車両の冷却制御装置。 A traveling device including an electric motor that outputs a driving force for traveling, cooling water for cooling the traveling device, a cooling device connected to the traveling device, and a circulation rate of cooling water flowing through the cooling device A cooling control device for an electric vehicle including a control device to be changed and a storage battery for supplying power to the traveling device, wherein the control device changes a circulation rate of the cooling water according to a temperature of the traveling device. A cooling control unit, an operation detection unit for detecting a predetermined operation performed by an occupant, and a circulation speed set by the cooling control unit when the storage battery is determined to be charging and the predetermined operation is detected. A cooling control device for an electric vehicle , comprising: a bubble removal control unit that controls the cooling water at a faster circulation speed .
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