JPH0773906A - Charging device for electric automobile - Google Patents

Charging device for electric automobile

Info

Publication number
JPH0773906A
JPH0773906A JP22110293A JP22110293A JPH0773906A JP H0773906 A JPH0773906 A JP H0773906A JP 22110293 A JP22110293 A JP 22110293A JP 22110293 A JP22110293 A JP 22110293A JP H0773906 A JPH0773906 A JP H0773906A
Authority
JP
Japan
Prior art keywords
battery
temperature
charging
air conditioner
vehicle
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
Application number
JP22110293A
Other languages
Japanese (ja)
Inventor
Naotaka Hamada
直孝 濱田
Muneharu Ino
宗治 井野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Kojima Industries Corp
Original Assignee
Kojima Press Industry Co Ltd
Toyota Motor Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kojima Press Industry Co Ltd, Toyota Motor Corp filed Critical Kojima Press Industry Co Ltd
Priority to JP22110293A priority Critical patent/JPH0773906A/en
Publication of JPH0773906A publication Critical patent/JPH0773906A/en
Pending legal-status Critical Current

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
    • 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
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Abstract

PURPOSE:To provide a charging device for an electric automobile capable of maintaining a battery at the optimum temperature for efficiently performing the charge and discharge of the battery while restraining the increase of the vehicle weight of an electric automobile to the utmost. CONSTITUTION:An air conditioner unit 12 for adjusting in-cabin temperature is also used to adjust battery temperature. In accordance with the next use time of an electric automobile 10 to be inputted in a charge control part 24 from a charge panel 22 or the temperature of a battery 14 to be detected by a temperature sensor 16, the air conditioner unit 12 is controlled to supply cooling air or heating air to the inside of a heat-insulating cover 28 housing the battery 14 to maintain the battery 14 at optimum temperature for charging and using. This cooling air or heating air is supplied through a duct 30 communicating the air conditioner unit 12 with the heat-insulating cover 28.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】この発明は、電気自動車に搭載さ
れる充電装置に関するものであり、特に、バッテリの充
電・放電時の温度制御に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging device mounted on an electric vehicle, and more particularly to temperature control during charging / discharging of a battery.

【０００２】[0002]

【従来の技術】繰り返し充電可能なバッテリを搭載し
て、それを駆動源とする電気自動車が広く普及している
が、この駆動源たるバッテリは定期的に充電を行う必要
がある。バッテリを外部電源によって充電する場合、外
気温度が低くバッテリの温度が低いと充電電流が低下し
充電不足の原因となり、外気温度が高かったり急速充電
を行ってバッテリの温度が高くなると充電電流が不安定
になったり、バッテリの寿命低下の要因になっていた。
従って、バッテリは適切な温度領域で充電する必要があ
った。2. Description of the Related Art An electric vehicle equipped with a rechargeable battery and using it as a drive source is widely used. However, the drive source battery needs to be charged periodically. When charging the battery from an external power source, if the outside air temperature is low and the battery temperature is low, the charging current will decrease, causing insufficient charging.If the outside air temperature is high or the battery temperature is high due to rapid charging, the charging current will become insufficient. It became stable and became a factor of shortening the battery life.
Therefore, the battery needs to be charged in an appropriate temperature range.

【０００３】また、バッテリの機能が十分に発揮され使
用効率が最も高められる最適使用温度は２５℃程度あ
り、電気自動車使用開始時及び使用時にはバッテリの温
度を最適使用温度に保つことが要求される。Further, the optimum operating temperature at which the battery function is fully exhibited and the use efficiency is maximized is about 25 ° C., and it is required to keep the battery temperature at the optimum operating temperature at the time of starting and using the electric vehicle. .

【０００４】そこでバッテリの温度を所定の温度にする
ために従来の充電装置として、例えば、バッテリの温度
を検出してベンチレータとヒータによって生成される冷
風及び温風によってバッテリの温度を調整する電気自動
車用蓄電池の温度制御装置が実開昭５２−７３４２４号
公報に開示されている。また、実開平４−１２４８０３
号公報には複数の保温層とヒータ層によって蓄電池の保
温を行う電気車両の蓄電池保温装置が開示されている。
さらに、実開昭５５−４６９１号公報及び特開平３−５
２５２３号公報にはタイマを利用して電気自動車の使用
直前に充電を完了し、充電時の発熱によってバッテリの
内部抵抗を低下させて効率よくバッテリを使用する充電
装置が開示されている。Therefore, as a conventional charging device for adjusting the temperature of the battery to a predetermined temperature, for example, an electric vehicle that detects the temperature of the battery and adjusts the temperature of the battery by cold air and warm air generated by a ventilator and a heater. A storage battery temperature control device is disclosed in Japanese Utility Model Laid-Open No. 52-73424. In addition, the actual Kaihei 4-124803
The publication discloses a storage battery heat retaining device for an electric vehicle that keeps a storage battery warm by a plurality of heat retaining layers and a heater layer.
Furthermore, Japanese Utility Model Laid-Open No. 55-4691 and Japanese Unexamined Patent Publication No. 3-5.
Japanese Unexamined Patent Publication No. 2523 discloses a charging device that uses a timer to complete charging just before using the electric vehicle and lowers the internal resistance of the battery due to heat generated during charging to efficiently use the battery.

【０００５】[0005]

【発明が解決しようとする課題】しかし、従来の充電装
置においては、バッテリの温度を最適温度に制御するた
めに新たにファンや、ヒータを追加する必要があり、車
両重量を増加させる要因となり電気自動車の駆動効率を
低下させるという問題があった。However, in the conventional charging device, it is necessary to newly add a fan and a heater in order to control the temperature of the battery to the optimum temperature, which causes an increase in vehicle weight and electric power. There is a problem that the driving efficiency of the automobile is reduced.

【０００６】また、バッテリの温度は外気温度の変化よ
って大きく変化するためタイマを用いて電気自動車の使
用直前に充電を完了させる場合、バッテリの温度を予測
することは困難であり、バッテリの充電時及び電気自動
車の使用開始時にバッテリの温度を最適温度にすること
が困難であるという問題があった。Further, since the temperature of the battery changes greatly due to the change in the outside temperature, it is difficult to predict the temperature of the battery when the charging is completed immediately before the use of the electric vehicle by using the timer, and it is difficult to predict the battery temperature. Also, there is a problem that it is difficult to set the temperature of the battery to the optimum temperature when the electric vehicle is used.

【０００７】そこで、本発明は、車両重量の増加を極力
抑制すると共に、バッテリを充電・放電時に最適温度に
維持することのできる電気自動車用充電装置を提供する
ことを目的とするものである。Therefore, an object of the present invention is to provide an electric vehicle charging device capable of suppressing an increase in vehicle weight as much as possible and maintaining the battery at an optimum temperature during charging and discharging.

【０００８】[0008]

【課題を解決するための手段】この発明は、上記問題点
を解決するため、第１として、車室内の温度調整を行う
車載空気調和装置を備え、外部電源によって充電可能な
バッテリを有する電気自動車の充電装置において、バッ
テリを収納する収納空間と車載空気調和装置とを連通す
る連通路と、バッテリの温度を検出して検出信号を出力
する温度検出手段と、少なくともバッテリの充電時に温
度検出手段からの検出信号に従って、前記連通路を介し
て車載空気調和装置からの冷却空気または加熱空気を収
納空間に供給し、バッテリを冷却または加熱し該バッテ
リの温度を所望の温度に保つ温度制御手段と、を有する
ことを特徴とするものであり、第２として、第１におい
て、電気自動車の次回使用時刻を設定する時刻設定手段
と、バッテリの消耗量を検出し、充電必要量を算出する
充電量算出手段と、前記時刻設定手段によって設定され
た時刻にバッテリの充電が完了するように充電開始時刻
を算出し前記温度制御手段を動作させる充電開始時刻算
出手段と、を有することを特徴とするものである。In order to solve the above-mentioned problems, the present invention is, firstly, an electric vehicle having an on-vehicle air conditioner for adjusting the temperature of the vehicle interior and having a battery rechargeable by an external power source. In the charging device, the communication passage that connects the storage space for storing the battery and the vehicle-mounted air conditioner, the temperature detecting means for detecting the temperature of the battery and outputting a detection signal, and the temperature detecting means for charging the battery at least Temperature control means for supplying cooling air or heating air from the vehicle-mounted air conditioner to the storage space via the communication passage to cool or heat the battery to keep the temperature of the battery at a desired temperature, Secondly, in the first, the time setting means for setting the next use time of the electric vehicle and the battery depletion in the first. A charge amount calculating means for detecting the amount of charge and calculating the required charge amount, and a charge start time for operating the temperature control means by calculating the charge start time so that charging of the battery is completed at the time set by the time setting means. And a time calculation means.

【０００９】また、第３として、車室内の温度調整を行
う車載空気調和装置を備え、外部電源によって充電可能
なバッテリを有する電気自動車の充電装置において、バ
ッテリを収納する収納空間と車載空気調和装置とを連通
する連通路と、バッテリの温度を検出して検出信号を出
力する温度検出手段と、を有し、車載空気調和装置が設
定温度に基づき車室内の温度を一定に保つオートマッチ
ックエアコンディショナであって、少なくともバッテリ
の充電時に温度検出手段からの検出信号に従って、前記
連通路を介してオートマッチックエアコンディショナか
らの冷却空気または加熱空気を収納空間に供給し、バッ
テリを冷却または加熱し該バッテリの温度を所望の温度
に保つオートマッチックエアコンディショナであること
を特徴とするものであり、第４として、第３において、
電気自動車の次回使用時刻を設定する時刻設定手段と、
バッテリの消耗量を検出し、充電必要量を算出する充電
量算出手段と、前記時刻設定手段によって設定された時
刻にバッテリの充電が完了するように充電開始時刻を算
出しオートマッチックエアコンディショナを動作させる
充電開始時刻算出手段と、を有することを特徴とするも
のである。Thirdly, in a charging device for an electric vehicle having an on-vehicle air conditioner for adjusting the temperature inside the vehicle compartment and having a battery rechargeable by an external power source, a storage space for accommodating the battery and the on-vehicle air conditioner. And an air conditioner for detecting the temperature of the battery and outputting a detection signal, and the in-vehicle air conditioner keeps the temperature in the vehicle interior constant based on the set temperature. A conditioner, which supplies cooling air or heating air from the automatic match air conditioner to the storage space via the communication passage in accordance with a detection signal from the temperature detecting means at least when the battery is charged to cool the battery or An automatic match air conditioner which is heated to keep the temperature of the battery at a desired temperature There, as a fourth, in the third,
Time setting means for setting the next use time of the electric vehicle,
A charge amount calculating means for detecting a consumed amount of the battery and calculating a required charge amount, and a charge start time for calculating the charge start time so that the battery is completely charged at the time set by the time setting means. And a charging start time calculating means for operating.

【００１０】[0010]

【作用】本発明における電気自動車用充電装置において
は、温度検出手段によってバッテリの温度を検出する。
温度検出手段から出力される検出信号に従って温度制御
手段は車載空気調和装置を制御し、冷却空気または加熱
空気を連通路を通してバッテリの収納された収納空間に
供給する。In the charging device for an electric vehicle according to the present invention, the temperature of the battery is detected by the temperature detecting means.
The temperature control means controls the vehicle-mounted air conditioner according to the detection signal output from the temperature detection means, and supplies cooling air or heating air to the storage space in which the battery is stored, through the communication passage.

【００１１】また、電気自動車の次回使用時刻を時刻設
定手段によって入力する。充電量算出手段はバッテリの
充電必要量を算出し、充電開始時刻算出手段は、設定さ
れた時刻にバッテリの充電が終了するように充電開始時
刻を算出し、温度制御手段を動作させてバッテリの温度
を最適温度に制御する。Further, the next use time of the electric vehicle is input by the time setting means. The charge amount calculation means calculates the required charging amount of the battery, the charge start time calculation means calculates the charge start time so that the charging of the battery is completed at the set time, and the temperature control means is operated to operate the battery. Control the temperature to the optimum temperature.

【００１２】[0012]

【実施例】以下、この発明の一実施例を図を用いて説明
する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

【００１３】図１は本発明の電気自動車用充電装置を説
明する略概念図である。電気自動車１０は車室内の温度
調整を行う車載空気調和装置（以下、エアコンユニット
という）１２と、繰り返し充電可能なバッテリ１４と、
前記バッテリ１４の温度を検出する温度検出手段として
の温度センサ１６と、充電量算出手段等を含みバッテリ
１４の充電状態を管理するバッテリ制御部１８と、前記
エアコンユニット１２の動作管理を行うエアコン制御部
２０と、電気自動車１０の次回使用時刻を入力する時刻
設定手段としての充電パネル２２と、この電気自動車用
充電装置全体を制御し、温度制御手段等を有する充電制
御部２４とを含んでいる。また、電気自動車用充電装置
の外部装置としては、電気自動車１０に電力を供給する
外部充電設備２６が準備されている。FIG. 1 is a schematic conceptual view for explaining a charging device for an electric vehicle according to the present invention. The electric vehicle 10 includes an in-vehicle air conditioner (hereinafter, referred to as an air conditioner unit) 12 that adjusts a temperature in a vehicle compartment, a rechargeable battery 14, and
A temperature sensor 16 as a temperature detecting means for detecting the temperature of the battery 14, a battery control section 18 including a charge amount calculating means and the like for managing the charging state of the battery 14, and an air conditioner control for managing the operation of the air conditioner unit 12. It includes a section 20, a charging panel 22 as a time setting means for inputting the next use time of the electric vehicle 10, and a charging control section 24 for controlling the entire charging device for the electric vehicle and having a temperature control means and the like. . An external charging facility 26 that supplies electric power to the electric vehicle 10 is prepared as an external device of the electric vehicle charging device.

【００１４】本発明の特徴とするところは、車室内温度
調整用のエアコンユニット１２をバッテリ温度の調整に
兼用したものであり、バッテリ１４を収納している収納
空間としての断熱カバー２８とエアコンユニット１２と
を連通路としてのダクト３０によって連通し、充電制御
部２４に入力される電気自動車１０の次回使用時刻やバ
ッテリ１４の温度に応じて、エアコンユニット１２を制
御し冷却風または加熱風を断熱カバー２８内部に供給し
て、バッテリ１４を充電に最適な、また使用に最適な温
度に維持していることである。The feature of the present invention is that the air conditioner unit 12 for adjusting the vehicle interior temperature is also used for adjusting the battery temperature, and the heat insulating cover 28 and the air conditioner unit as a storage space for storing the battery 14 are used. 12 is communicated with a duct 30 as a communication passage, and the air conditioner unit 12 is controlled to insulate cooling air or heating air in accordance with the next use time of the electric vehicle 10 and the temperature of the battery 14 which are input to the charging control unit 24. This is to supply the inside of the cover 28 to maintain the battery 14 at a temperature that is optimal for charging and optimal for use.

【００１５】次に、この電気自動車用充電装置の充電動
作について説明する。Next, the charging operation of this electric vehicle charging device will be described.

【００１６】電気自動車１０を外部充電設備２６にコネ
クタ３２を介して接続する。次に、充電パネル２２に電
気自動車１０の次回使用時刻（日・時）、例えば８月３
０日、８時３０分を入力する。この入力された次回使用
時刻は充電制御部２４に記憶される。バッテリ制御部１
８はバッテリ１４の消耗状態を検出し、充電に必要な時
間を算出して充電制御部２４に出力する。充電制御部２
４は次回使用時刻と充電必要時間とから充電開始時刻を
算出し設定する。つまり、充電必要時間が６時間の場
合、前記例によれば８月３０日、２時３０分が充電開始
時刻として設定される。このように電気自動車の使用開
始直前で充電を完了するようにして、バッテリ１４の自
然放電を最小限に抑制することができる。The electric vehicle 10 is connected to the external charging facility 26 via the connector 32. Next, on the charging panel 22, the next use time (day / hour) of the electric vehicle 10, for example, August 3
Enter 0:30 on the 0th. The input next use time is stored in the charging control unit 24. Battery control unit 1
Reference numeral 8 detects the consumption state of the battery 14, calculates the time required for charging, and outputs it to the charge control unit 24. Charge control unit 2
4 calculates and sets the charging start time from the next use time and the required charging time. That is, when the required charging time is 6 hours, according to the above example, 2:30 on August 30th is set as the charging start time. In this way, the charging is completed just before the start of use of the electric vehicle, so that the natural discharge of the battery 14 can be suppressed to the minimum.

【００１７】充電制御部２４はバッテリ１４の近傍（本
実施例ではバッテリ１４の上面）に配置された温度セン
サ１６によって検出されるバッテリ１４の温度に応じて
エアコンユニット１２を駆動するための制御信号をエア
コン制御部２０に出力する。つまり、バッテリ１４の充
電最適温度が２５℃である場合、充電開始時刻にバッテ
リ１４の温度が２５℃になるようにエアコンユニット１
２を駆動し、冷却風または加熱風をダクト３０を介して
断熱カバー２８内部に送り込む。従って、バッテリ１４
の温度が非常に高い場合や非常に低い場合には充電開始
時刻前からエアコンユニット１２が駆動し、バッテリ１
４の冷却または加熱が開始される場合もある。The charging control section 24 is a control signal for driving the air conditioner unit 12 according to the temperature of the battery 14 detected by the temperature sensor 16 arranged in the vicinity of the battery 14 (the upper surface of the battery 14 in this embodiment). Is output to the air conditioner control unit 20. That is, when the optimum charging temperature of the battery 14 is 25 ° C., the air conditioner unit 1 is controlled so that the temperature of the battery 14 becomes 25 ° C. at the charging start time.
2 is driven to send cooling air or heating air into the heat insulating cover 28 through the duct 30. Therefore, the battery 14
When the temperature of the battery is very high or very low, the air conditioner unit 12 is driven before the charging start time, and the battery 1
In some cases, cooling or heating of No. 4 is started.

【００１８】バッテリ１４を収納している断熱カバー２
８は開閉可能な換気孔２８ａを有している。この換気孔
２８ａは断熱カバー２８内部にエアコンユニット１２か
ら冷却風が送り込まれた場合に開放され、加熱風が送り
込まれた場合にも開放される。従って、換気孔２８ａが
開放された場合にはバッテリ１４の冷却及び加熱が効率
よく行われる。但し、加熱の際には、所望の温度に加熱
が完了した後は換気孔２８ａを閉鎖して温度を維持し、
温度が低下した場合に再び換気孔２８ａを開放して加熱
を行う。また、換気孔２８ａを換気ファンにすることに
よって冷却をより効率的に行うことができる。A heat insulating cover 2 for accommodating the battery 14
Reference numeral 8 has a ventilation hole 28a that can be opened and closed. The ventilation hole 28a is opened when cooling air is sent from the air conditioner unit 12 into the heat insulating cover 28, and is also opened when heating air is sent. Therefore, when the ventilation hole 28a is opened, the battery 14 is efficiently cooled and heated. However, at the time of heating, after the heating to the desired temperature is completed, the ventilation hole 28a is closed to maintain the temperature,
When the temperature drops, the ventilation hole 28a is opened again to perform heating. Further, cooling can be performed more efficiently by using the ventilation hole 28a as a ventilation fan.

【００１９】充電開始時刻になると充電制御部２４はバ
ッテリ制御部１８に対して充電開始信号を出力し、バッ
テリ１４に対して外部充電設備２６による電力供給を開
始する。バッテリ１４の充電が開始されると充電による
発熱によってバッテリ１４の温度は上昇する。特に、急
速充電を行う場合にはバッテリ１４の発熱が大きいため
エアコンユニット１２による冷却が主に行われるように
なる。また、バッテリ１４の充電が完了した後もバッテ
リ１４を使用最適温度に維持するため温度センサ１６は
バッテリ１４の温度の検出を継続し、充電制御部２４に
よるエアコンユニット１２の制御を持続する。At the charging start time, the charging control unit 24 outputs a charging start signal to the battery control unit 18 and starts the power supply to the battery 14 by the external charging facility 26. When the charging of the battery 14 is started, the temperature of the battery 14 rises due to the heat generated by the charging. In particular, when performing rapid charging, the heat generated by the battery 14 is large, so that the cooling by the air conditioner unit 12 is mainly performed. Further, the temperature sensor 16 continues to detect the temperature of the battery 14 in order to maintain the battery 14 at the optimum temperature for use even after the charging of the battery 14 is completed, and the charge control unit 24 continues to control the air conditioner unit 12.

【００２０】このようにバッテリ１４の温度をエアコン
ユニット１２によって制御し、最適状態で該バッテリ１
４の充電を行うことができるので十分な充電を効率よく
行うことができる。さらに、充電終了後もエアコンユニ
ット１２によるバッテリ１４の温度制御が可能であるた
め電気自動車１０の使用開始時刻に狂いが生じた時でも
バッテリ１４を最適状態で充電させて使用することがで
きる。また、車両に予め搭載されている車室内用の車載
空気調和装置を利用するので車両重量の低減を計ること
が可能である。In this way, the temperature of the battery 14 is controlled by the air conditioner unit 12, and the battery 1 is controlled in the optimum state.
Since the charging of No. 4 can be performed, sufficient charging can be efficiently performed. Furthermore, since the temperature of the battery 14 can be controlled by the air conditioner unit 12 even after the end of charging, the battery 14 can be charged and used in an optimum state even when the use start time of the electric vehicle 10 is distorted. Further, since the vehicle-mounted on-vehicle air conditioner installed in the vehicle in advance is used, the weight of the vehicle can be reduced.

【００２１】また、上記実施例ではエアコンユニット１
２に対する温度制御を充電制御部２４からの制御信号に
よって行う例について説明したが、設定温度に基づき車
室内の温度を一定に保つオートマチックエアコンディシ
ョナを搭載する電気自動車の場合、バッテリ１４の近傍
に設けられた温度センサ１６の検出信号をオートマチッ
クエアコンディショナの制御部に入力し、断熱カバー２
８内部に供給する送風量及び送風温度を制御してもよ
い。このようにオートマチックエアコンディショナを温
度制御手段の一部として兼用することにより温度制御手
段を簡略化することが可能であり、車両重量の低減をさ
らに計ることができる。Further, in the above embodiment, the air conditioner unit 1
The example in which the temperature control for 2 is performed by the control signal from the charge control unit 24 has been described. The detection signal of the temperature sensor 16 provided is input to the control unit of the automatic air conditioner, and the heat insulation cover 2
8 The amount of air blown and the temperature of the air blown may be controlled. By thus using the automatic air conditioner as a part of the temperature control means, the temperature control means can be simplified and the weight of the vehicle can be further reduced.

【００２２】[0022]

【発明の効果】以上説明したように、この発明によれ
ば、バッテリの温度制御を予め電気自動車に搭載されて
いる車載空気調和装置を利用して行うことが可能である
ため、車両重量の増加を極力抑制することが可能である
と共に、バッテリを最適温度で効率よく充電・放電する
ことが可能である。また、充電開始時刻算出手段によっ
て電気自動車の使用開始時刻に合わせて充電を完了する
ことができるので、バッテリの自然放電を最小限に抑制
することができる。従って、電気自動車を効率よく充電
し駆動することができる。As described above, according to the present invention, the temperature of the battery can be controlled by using the vehicle-mounted air conditioner installed in advance in the electric vehicle, which increases the vehicle weight. Can be suppressed as much as possible, and the battery can be efficiently charged and discharged at the optimum temperature. Further, since the charging start time calculating means can complete the charging in accordance with the use start time of the electric vehicle, it is possible to suppress the spontaneous discharge of the battery to the minimum. Therefore, the electric vehicle can be efficiently charged and driven.

【００２３】さらに、車載空気調和装置がオートマチッ
クエアコンディショナである場合、温度制御手段を簡略
化することが可能であり、車両重量の低減をさらに計る
ことができる。Further, when the on-vehicle air conditioner is an automatic air conditioner, the temperature control means can be simplified and the weight of the vehicle can be further reduced.

【図面の簡単な説明】[Brief description of drawings]

【図１】この発明に係る一実施例に基づく電気自動車用
充電装置の概略図である。FIG. 1 is a schematic diagram of a charging device for an electric vehicle according to an embodiment of the present invention.

【符号の説明】[Explanation of symbols]

１０ 電気自動車 １２ エアコンユニット １４ バッテリ １６ 温度センサ １８ バッテリ制御部 ２０ エアコン制御部 ２２ 充電パネル ２４ 充電制御部 ２６ 外部充電設備 ２８ 断熱カバー ３０ ダクト 10 Electric Vehicle 12 Air Conditioner Unit 14 Battery 16 Temperature Sensor 18 Battery Control Unit 20 Air Conditioner Control Unit 22 Charging Panel 24 Charging Control Unit 26 External Charging Facility 28 Insulation Cover 30 Duct

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｈ０２Ｊ 7/14 Ｅ 4235−5Ｇ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Office reference number FI technical display location H02J 7/14 E 4235-5G

Claims (4)

【特許請求の範囲】[Claims] 【請求項１】 車室内の温度調整を行う車載空気調和装
置を備え、外部電源によって充電可能なバッテリを有す
る電気自動車の充電装置において、 バッテリを収納する収納空間と車載空気調和装置とを連
通する連通路と、 バッテリの温度を検出して検出信号を出力する温度検出
手段と、 少なくともバッテリの充電時に温度検出手段からの検出
信号に従って、前記連通路を介して車載空気調和装置か
らの冷却空気または加熱空気を収納空間に供給し、バッ
テリを冷却または加熱し該バッテリの温度を所望の温度
に保つ温度制御手段と、 を有することを特徴とする電気自動車用充電装置。1. A charging device for an electric vehicle, comprising a vehicle-mounted air conditioner for adjusting the temperature inside a vehicle compartment, and having a battery rechargeable by an external power supply, wherein a storage space for storing the battery and a vehicle-mounted air conditioner communicate with each other. A communication passage, a temperature detecting means for detecting the temperature of the battery and outputting a detection signal, and at least a cooling air from the vehicle-mounted air conditioner via the communication passage according to the detection signal from the temperature detecting means at the time of charging the battery. A charging device for an electric vehicle, comprising: temperature control means for supplying heated air to the storage space to cool or heat the battery to keep the temperature of the battery at a desired temperature. 【請求項２】 請求項１記載の電気自動車用充電装置に
おいて、 電気自動車の次回使用時刻を設定する時刻設定手段と、 バッテリの消耗量を検出し、充電必要量を算出する充電
量算出手段と、 前記時刻設定手段によって設定された時刻にバッテリの
充電が完了するように充電開始時刻を算出し前記温度制
御手段を動作させる充電開始時刻算出手段と、 を有することを特徴とする電気自動車用充電装置。2. The charging device for an electric vehicle according to claim 1, further comprising a time setting means for setting a next use time of the electric vehicle, and a charge amount calculating means for detecting a battery consumption amount and calculating a required charging amount. Charging means for calculating the charging start time and operating the temperature control means so that charging of the battery is completed at the time set by the time setting means, charging for an electric vehicle, apparatus. 【請求項３】 車室内の温度調整を行う車載空気調和装
置を備え、外部電源によって充電可能なバッテリを有す
る電気自動車の充電装置において、 バッテリを収納する収納空間と車載空気調和装置とを連
通する連通路と、 バッテリの温度を検出して検出信号を出力する温度検出
手段と、を有し、 車載空気調和装置が設定温度に基づき車室内の温度を一
定に保つオートマッチックエアコンディショナであっ
て、少なくともバッテリの充電時に温度検出手段からの
検出信号に従って、前記連通路を介してオートマッチッ
クエアコンディショナからの冷却空気または加熱空気を
収納空間に供給し、バッテリを冷却または加熱し該バッ
テリの温度を所望の温度に保つオートマッチックエアコ
ンディショナであることを特徴とする電気自動車用充電
装置。3. A charging device for an electric vehicle, comprising an in-vehicle air conditioner for adjusting a temperature in a vehicle compartment and having a battery rechargeable by an external power source, wherein a storage space for accommodating a battery and an in-vehicle air conditioner communicate with each other. It is an auto-matching air conditioner that has a communication passage and temperature detection means that detects the temperature of the battery and outputs a detection signal, and that the in-vehicle air conditioner keeps the temperature inside the vehicle interior constant based on the set temperature. In accordance with a detection signal from the temperature detecting means at least during charging of the battery, the cooling air or the heating air from the automatic match air conditioner is supplied to the storage space through the communication passage to cool or heat the battery. Charging device for electric vehicle, characterized by being an automatic match air conditioner for keeping the temperature of a vehicle at a desired temperature . 【請求項４】 請求項３記載の電気自動車用充電装置に
おいて、 電気自動車の次回使用時刻を設定する時刻設定手段と、 バッテリの消耗量を検出し、充電必要量を算出する充電
量算出手段と、 前記時刻設定手段によって設定された時刻にバッテリの
充電が完了するように充電開始時刻を算出しオートマッ
チックエアコンディショナを動作させる充電開始時刻算
出手段と、 を有することを特徴とする電気自動車用充電装置。4. The charging device for an electric vehicle according to claim 3, further comprising: a time setting means for setting a next use time of the electric vehicle; and a charge amount calculating means for detecting a battery consumption amount and calculating a required charging amount. An electric vehicle comprising: a charging start time calculating unit that calculates a charging start time and operates an automatic match air conditioner so that charging of the battery is completed at the time set by the time setting unit. Charging device.
JP22110293A 1993-09-06 1993-09-06 Charging device for electric automobile Pending JPH0773906A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22110293A JPH0773906A (en) 1993-09-06 1993-09-06 Charging device for electric automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22110293A JPH0773906A (en) 1993-09-06 1993-09-06 Charging device for electric automobile

Publications (1)

Publication Number Publication Date
JPH0773906A true JPH0773906A (en) 1995-03-17

Family

ID=16761528

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22110293A Pending JPH0773906A (en) 1993-09-06 1993-09-06 Charging device for electric automobile

Country Status (1)

Country Link
JP (1) JPH0773906A (en)

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JP2016082651A (en) * 2014-10-14 2016-05-16 トヨタ自動車株式会社 Electric vehicle
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