JPH11107748A - Cooling system of hybrid electric vehicle - Google Patents
Cooling system of hybrid electric vehicleInfo
- Publication number
- JPH11107748A JPH11107748A JP27458697A JP27458697A JPH11107748A JP H11107748 A JPH11107748 A JP H11107748A JP 27458697 A JP27458697 A JP 27458697A JP 27458697 A JP27458697 A JP 27458697A JP H11107748 A JPH11107748 A JP H11107748A
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- water temperature
- generator
- radiator
- inverter
- 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.)
- Granted
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
- 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
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、ハイブリッド電
気自動車の発電機、インバータ、走行用電動機、駆動用
電動機および補機類を冷却する冷却システムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling system for cooling a generator, an inverter, a driving motor, a driving motor, and accessories of a hybrid electric vehicle.
【０００２】[0002]
【従来の技術】従来から排気エミッションを改善するた
め、エンジンと電動機を組み合わせたハイブリッド電気
自動車がある。2. Description of the Related Art Conventionally, there is a hybrid electric vehicle in which an engine and an electric motor are combined to improve exhaust emission.
【０００３】このようなハイブリッド電気自動車は、エ
ンジンにより駆動される発電機と、発電された電力を蓄
えるバッテリとを備え、これらを電源にインバータを介
して走行用の電動機を駆動して走行する。[0003] Such a hybrid electric vehicle includes a generator driven by an engine, and a battery for storing the generated power, and uses the power as a power source to drive a driving motor through an inverter to travel.
【０００４】[0004]
【発明が解決しようとする課題】このようなハイブリッ
ド電気自動車は、エンジンの外に、発電機、インバー
タ、走行用の電動機、駆動用電動機およびエアコンプレ
ッサ、エアコンユニット等の補機類の温度を適正に保つ
ために、これら発電機、インバータ、走行用の電動機、
駆動用電動機および補機類を冷却する冷却装置を設ける
必要がある。In such a hybrid electric vehicle, in addition to the engine, the temperature of auxiliary equipment such as a generator, an inverter, a driving motor, a driving motor, an air compressor, an air conditioner unit and the like is adjusted appropriately. In order to keep these generators, inverters, motors for traveling,
It is necessary to provide a cooling device for cooling the driving motor and the auxiliary devices.
【０００５】しかし、このように発電機、インバータ、
走行用の電動機、駆動用電動機および補機類の多数の機
器を冷却回路に接続する場合、冷却水の配管が複雑にな
ってしまう。また、各機器に要求に合った水量の冷却水
を供給しにくく、そのため所要の冷却を行いにくいとい
う問題がある。また、冷却回路のラジエータへの送風状
態によっては、冷却を過度に行う心配がある。However, as described above, the generator, the inverter,
When connecting many devices, such as a motor for driving, a motor for driving, and accessories, to a cooling circuit, piping of cooling water becomes complicated. In addition, there is a problem that it is difficult to supply a cooling water of a water amount that meets a demand to each device, and thus it is difficult to perform required cooling. Also, depending on the state of air flow to the radiator of the cooling circuit, there is a concern that cooling will be excessive.
【０００６】なお、実開平７ー３８６２５号、特開平７
ー１８９６８９号、４２６２３号公報に、エンジンのラ
ジエータとエアコンのコンデンサに共通に送風する冷却
ファンの制御装置、コンデンサファンの油圧駆動装置、
冷却ファンを駆動するエンジンシステム等がある。Incidentally, Japanese Utility Model Laid-Open No. Hei 7-38625,
No. 189689, 42623, a control device for a cooling fan that blows air commonly to a radiator of an engine and a condenser of an air conditioner, a hydraulic drive device of a condenser fan,
There is an engine system for driving a cooling fan.
【０００７】この発明は、このような問題点を解決でき
るハイブリッド電気自動車の冷却システムを提供するこ
とを目的としている。An object of the present invention is to provide a cooling system for a hybrid electric vehicle which can solve such problems.
【０００８】[0008]
【課題を解決するための手段】第１の発明は、エンジン
により駆動される発電機と、バッテリと、これらを電源
としてインバータを介して駆動される走行用電動機とを
備えるハイブリッド電気自動車において、発電機、イン
バータ、走行用電動機、駆動用電動機およびエアコンプ
レッサ、エアコンユニット等の補機類それぞれに冷却ジ
ャケットを設け、これら発電機、インバータ、走行用電
動機、駆動用電動機および補機類を複数の系統に分け
て、各系統をそれぞれ系統毎に配管を介して並列にラジ
エータおよび電動ポンプを設けた冷却回路に接続すると
共に、各系統の配管径をそれぞれの系統の発熱量によっ
て定める。A first aspect of the present invention is directed to a hybrid electric vehicle including a generator driven by an engine, a battery, and a traveling motor driven by an inverter using the generator as a power source. Equipment, inverters, traveling motors, driving motors and auxiliary equipment such as air compressors and air conditioners are provided with cooling jackets, and these generators, inverters, traveling motors, driving motors and accessories are connected to multiple systems. Each system is connected to a cooling circuit provided with a radiator and an electric pump in parallel via piping for each system, and the piping diameter of each system is determined based on the calorific value of each system.
【０００９】第２の発明は、第１の発明において、ラジ
エータの冷却水入口側の冷却水温を検出する水温センサ
と、ラジエータに冷却風を送る電動ファンと、水温セン
サの検出値に応じて電動ファンを駆動する制御装置とを
設ける。According to a second aspect of the present invention, in the first aspect, a water temperature sensor for detecting a cooling water temperature at a cooling water inlet side of the radiator, an electric fan for sending cooling air to the radiator, and an electric fan according to a detection value of the water temperature sensor. And a control device for driving the fan.
【００１０】第３の発明は、第１の発明において、各系
統の入口側にそれぞれ冷却水の流量制御弁を、出口側に
それぞれ冷却水温を検出する水温センサを設け、各水温
センサの検出値に応じて各流量制御弁の開度を制御する
制御装置を設ける。According to a third aspect, in the first aspect, a cooling water flow control valve is provided on an inlet side of each system, and a water temperature sensor for detecting a cooling water temperature is provided on an outlet side. A control device for controlling the opening degree of each flow control valve according to the condition is provided.
【００１１】[0011]
【発明の効果】第１の発明によれば、発電機、インバー
タ、走行用電動機、駆動用電動機およびエアコンプレッ
サ、エアコンユニット等の補機類の各機器の冷却回路の
配管を容易に行えると共に、各系統にそれぞれ発熱量に
応じた水量の冷却水が供給されるため、発電機、インバ
ータ、走行用電動機、駆動用電動機およびエアコンプレ
ッサ、エアコンユニット等の補機類の各機器を的確に冷
却できる。According to the first aspect of the present invention, the piping of the cooling circuit of each device such as a generator, an inverter, a traveling motor, a driving motor, and auxiliary equipment such as an air compressor and an air conditioner unit can be easily performed. Cooling water of the amount corresponding to the calorific value is supplied to each system, so that each device such as generator, inverter, traveling motor, drive motor and auxiliary equipment such as air compressor and air conditioner unit can be cooled accurately. .
【００１２】第２の発明によれば、発電機、インバー
タ、走行用電動機、駆動用電動機およびエアコンプレッ
サ、エアコンユニット等の補機類の各機器を的確に冷却
できると共に、省エネルギ化できる。According to the second aspect of the invention, it is possible to accurately cool the generator, the inverter, the traveling motor, the driving motor, and the accessories such as the air compressor and the air conditioner unit, and to save energy.
【００１３】第３の発明によれば、水温センサの検出値
に応じて冷却水量を制御でき、発電機、インバータ、走
行用電動機、駆動用電動機およびエアコンプレッサ、エ
アコンユニット等の補機類の各機器を効率良く、的確に
冷却でき、高い冷却性能を確保できる。According to the third aspect of the present invention, the amount of cooling water can be controlled in accordance with the value detected by the water temperature sensor, and each of auxiliary equipment such as a generator, an inverter, a driving motor, a driving motor and an air compressor, an air conditioner unit, etc. Equipment can be cooled efficiently and accurately, and high cooling performance can be secured.
【００１４】[0014]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１５】図１はバス等の車両の後部に動力室１を設
けたもので、２はエンジン、３はエンジン２により駆動
される発電機、４は発電機３により発電された電力を蓄
えるバッテリ、５，６は発電機３およびバッテリ４によ
りインバータ７を介して駆動される走行用の電動機であ
る。FIG. 1 shows a power room 1 provided at the rear of a vehicle such as a bus. Reference numeral 2 denotes an engine, 3 denotes a generator driven by the engine 2, and 4 denotes a battery for storing electric power generated by the generator 3. , 5 and 6 are running motors driven by a generator 3 and a battery 4 via an inverter 7.
【００１６】動力室１の前面部（車室側）、上部等には
隔壁が形成され、左右は車両の外壁パネル８に、後面部
（車両後方側）は点検用の開閉扉等を設けた車両の後面
パネル等に囲われる。Partition walls are formed at the front part (vehicle side), upper part, etc. of the power room 1, and the left and right sides are provided on the outer wall panel 8 of the vehicle, and the rear part (rear side of the vehicle) is provided with a door for inspection and the like. Surrounded by the rear panel of the vehicle.
【００１７】エンジン２は動力室１の図左側（車両左
側）に横置きに配置され、発電機３はエンジン２に直接
連結される。９はエアクリーナである。電動機５，６は
動力室１の図右側（車両右側）にて減速機１０に取付け
られ、減速機１０を介してその駆動力がドライブシャフ
ト、差動装置から駆動輪へ伝えられる。The engine 2 is disposed horizontally on the left side of the power room 1 (left side of the vehicle) in the figure, and the generator 3 is directly connected to the engine 2. 9 is an air cleaner. The electric motors 5 and 6 are mounted on the speed reducer 10 on the right side of the power room 1 (right side of the vehicle), and the driving force is transmitted from the drive shaft and the differential device to the drive wheels via the speed reducer 10.
【００１８】インバータ７は４つ設けられて（１つは発
電機３用、２つは走行電動機５，６用、１つは補機類駆
動電動機用）、動力室１の図右側（車両右側）の中段部
位のインバータ室１１に配置され、バッテリ４はインバ
ータ室１１の上方のバッテリ室１２に配置される。Four inverters 7 are provided (one for the generator 3, two for the traveling motors 5 and 6, one for the auxiliary drive motor), and the right side of the power room 1 (the right side of the vehicle). The battery 4 is arranged in the battery room 12 above the inverter room 11.
【００１９】発電機３、電動機５，６とインバータ室１
１との間にはエアコンプレッサ１３、エアコンユニット
１４、ラジエータ２０等の補機類が配置される。ラジエ
ータ２０は、図２、図３のように電動ファン２１が組付
けられ、ユニット化されて、エアコンユニット１４の近
傍（車両後方側）に配設される。Generator 3, motors 5, 6 and inverter room 1
Auxiliary equipment such as an air compressor 13, an air conditioner unit 14, and a radiator 20 are arranged between the control unit 1 and the control unit 1. The radiator 20 is assembled with the electric fan 21 as shown in FIGS. 2 and 3, is unitized, and is disposed near the air conditioner unit 14 (on the rear side of the vehicle).
【００２０】エンジン２と発電機３との間に、エンジン
２の周辺の熱風が発電機３の周辺に流れ込まないように
遮熱板１５が配設される。遮熱板１５は、動力室１の前
面部から後面部にかけてエンジン室１６と発電機室１７
とを画成するように形成されると共に、そのエンジン室
１６に対して、インバータ室１１、バッテリ室１２も画
成するように動力室１の上部まで延設される。A heat shield plate 15 is provided between the engine 2 and the generator 3 so that hot air around the engine 2 does not flow into the vicinity of the generator 3. The heat shield plate 15 includes an engine room 16 and a generator room 17 from the front to the rear of the power room 1.
And the engine room 16 is extended to the upper part of the power room 1 so as to also define the inverter room 11 and the battery room 12.
【００２１】そして、発電機３、電動機５，６、インバ
ータ７およびエアコンプレッサ１３等の補機類（駆動用
電動機を含む）を冷却する冷却装置が備えられる。A cooling device is provided for cooling auxiliary equipment (including a driving motor) such as the generator 3, the motors 5, 6, the inverter 7, and the air compressor 13.
【００２２】この冷却装置として、発電機３、電動機
５，６、インバータ７およびエアコンプレッサ１３等の
補機類にそれぞれ冷却ジャケット（図示しない）が設け
られ、これらが配管を介してラジエータ２０、電動ポン
プ２２が介装された冷却回路２３に接続される。As the cooling device, cooling jackets (not shown) are provided for auxiliary equipment such as the generator 3, the motors 5, 6, the inverter 7, and the air compressor 13, and these are connected to the radiator 20 and the electric motor via pipes. A pump 22 is connected to a cooling circuit 23 provided therein.
【００２３】図４のように、発電機３、電動機５，６、
インバータ７およびエアコンプレッサ１３等の補機類が
複数の系統（第１、第２、第３の系統）に分けられると
共に、各系統がそれぞれ系統毎に配管２４，２５，２６
を介して並列に冷却回路２３に接続される。As shown in FIG. 4, the generator 3, the motors 5, 6,
Auxiliary equipment such as the inverter 7 and the air compressor 13 are divided into a plurality of systems (first, second, and third systems), and each system is provided with a pipe 24, 25, and 26 for each system.
Are connected in parallel to the cooling circuit 23 via the.
【００２４】この場合、発電機３、電動機５，６、イン
バータ７およびエアコンプレッサ１３等の補機類は、発
熱量が近いもの同士で、例えば第１の系統には４つのイ
ンバータ７が、第２の系統にはエアコンプレッサ１３、
その他の補機類１４，２７が、第３の系統には発電機
３、電動機５，６が配置される。In this case, the auxiliary equipment such as the generator 3, the electric motors 5, 6, the inverter 7, and the air compressor 13 have similar calorific values. For example, four inverters 7 are provided in the first system. The second system has an air compressor 13,
Other auxiliary equipments 14 and 27 are arranged, and a generator 3 and electric motors 5 and 6 are arranged in the third system.
【００２５】そして、第１、第２、第３の系統の配管２
４，２５，２６の径は、それぞれの系統の機器の発熱量
に応じて定められ、例えば発電機３、電動機５，６が配
置される第３の系統の配管２６の径は、第１、第２の系
統の配管２４，２５の径よりも大きく形成される。Then, the first, second and third system piping 2
The diameters of the pipes 4, 25, 26 are determined according to the calorific values of the devices of the respective systems. For example, the diameters of the pipes 26 of the third system in which the generator 3, the motors 5, 6 are arranged are the first, The pipes 24 and 25 of the second system are formed so as to be larger in diameter than the pipes.
【００２６】なお、ラジエータ２０の電動ファン２１、
電動ポンプ２２は、キースイッチのＯＮにより駆動され
る。The electric fan 21 of the radiator 20
The electric pump 22 is driven by turning on a key switch.
【００２７】このように、発電機３、電動機５，６、イ
ンバータ７およびエアコンプレッサ１３等の補機類を、
複数の系統に分けて並列に冷却回路２３に接続するの
で、配管２４，２５，２６が複雑になることがなく、ま
たこれら多数の機器を搭載するハイブリッド電気自動車
において、冷却回路の配管を容易に行える。As described above, auxiliary equipment such as the generator 3, the electric motors 5, 6, the inverter 7, and the air compressor 13 are
Since it is divided into a plurality of systems and connected to the cooling circuit 23 in parallel, the piping 24, 25, and 26 do not become complicated, and in a hybrid electric vehicle equipped with these many devices, the piping of the cooling circuit is easily formed. I can do it.
【００２８】また、電動ポンプ２２によって送られた冷
却水は、各系統に分配され、それぞれの系統の機器を冷
却するが、この場合各系統の配管２４，２５，２６の径
が、それぞれの系統の発熱量に応じて、発熱量が大きい
ほど大きく形成されているため、発熱量の大きい系統ほ
ど大きな量の冷却水が供給される。したがって、発電機
３、電動機５，６、インバータ７およびエアコンプレッ
サ１３等の補機類の温度を適温に保つことができる。The cooling water sent by the electric pump 22 is distributed to each system and cools the equipment of each system. In this case, the diameter of the pipes 24, 25, and 26 of each system is reduced by the respective systems. The larger the heat value, the larger the amount of cooling water is supplied to the system with the larger heat value. Therefore, it is possible to keep the temperatures of the auxiliary equipment such as the generator 3, the electric motors 5, 6, the inverter 7, and the air compressor 13 at an appropriate temperature.
【００２９】図５は別の実施の形態を示す。FIG. 5 shows another embodiment.
【００３０】これは、冷却回路２３のラジエータ２０の
冷却水入口側に冷却水温を検出する水温センサ３０を設
け、水温センサ３０の検出水温に応じて、制御装置３１
がラジエータ２０に冷却風を送る電動ファン２１を駆動
制御するものである。この場合、水温センサ３０の検出
水温が設定値Ｔ以下のときはラジエータ２０の電動ファ
ン２１を停止し、検出水温が設定値Ｔを越えたときにラ
ジエータ２０の電動ファン２１を駆動する。This is provided with a water temperature sensor 30 for detecting a cooling water temperature at a cooling water inlet side of the radiator 20 of the cooling circuit 23, and a control device 31 according to the detected water temperature of the water temperature sensor 30.
Controls the drive of an electric fan 21 that sends cooling air to a radiator 20. In this case, when the detected water temperature of the water temperature sensor 30 is equal to or lower than the set value T, the electric fan 21 of the radiator 20 is stopped, and when the detected water temperature exceeds the set value T, the electric fan 21 of the radiator 20 is driven.
【００３１】これによれば、発電機３、電動機５，６、
インバータ７およびエアコンプレッサ１３等の補機類の
各機器を的確に冷却できると共に、省エネルギ化でき、
バッテリ４等の負担が軽減する。According to this, the generator 3, the motors 5, 6,
Auxiliary equipment such as the inverter 7 and the air compressor 13 can be properly cooled and energy can be saved.
The burden on the battery 4 and the like is reduced.
【００３２】図６は別の実施の形態を示す。FIG. 6 shows another embodiment.
【００３３】これは、各系統の入口側にそれぞれ冷却水
の流量制御弁４０，４１，４２を、出口側にそれぞれ冷
却水温を検出する水温センサ４３，４４，４５を設け、
各水温センサ４３，４４，４５の検出水温Ｔ1、Ｔ2、Ｔ
3に応じて、制御装置４６が各流量制御弁４０，４１，
４２の開度を制御するものである。この場合、制御装置
４６は、各水温センサ４３，４４，４５の検出水温
Ｔ1、Ｔ2、Ｔ3に応じて、検出水温が高い系統の流量制
御弁の開度を大きく、検出水温が低い系統の流量制御弁
の開度を小さくするように制御する。In this system, cooling water flow control valves 40, 41, 42 are provided at the inlet side of each system, and water temperature sensors 43, 44, 45 for detecting the cooling water temperature are provided at the outlet side.
The water temperatures T 1 , T 2 , T detected by the water temperature sensors 43, 44, 45
According to 3 , the control device 46 controls the flow control valves 40, 41,
The opening 42 is controlled. In this case, the control device 46 increases the opening degree of the flow control valve of the system with the higher detected water temperature and lowers the detected water temperature in accordance with the detected water temperatures T 1 , T 2 , and T 3 of the respective water temperature sensors 43, 44, and 45. Control is performed to reduce the opening of the flow control valve in the system.
【００３４】即ち、検出水温の高い系統ほど冷却水量を
増加し、検出水温の低い系統は冷却水量を減少する。That is, the system with a higher detected water temperature increases the amount of cooling water, and the system with a lower detected water temperature decreases the amount of cooling water.
【００３５】このようにすれば、発電機３、電動機５，
６、インバータ７およびエアコンプレッサ１３等の補機
類の各機器を効率良く、的確に冷却でき、高い冷却性能
を確保できる。By doing so, the generator 3, the motor 5,
6. It is possible to efficiently and accurately cool the auxiliary devices such as the inverter 7 and the air compressor 13 and to ensure high cooling performance.
【００３６】なお、この場合各系統毎に基準値を設定し
て、水温センサ４３，４４，４５の検出水温を基準値と
比較して、その比較に基づき流量制御弁の開度を制御す
るようにしても良い。In this case, a reference value is set for each system, the detected water temperatures of the water temperature sensors 43, 44 and 45 are compared with the reference value, and the opening of the flow control valve is controlled based on the comparison. You may do it.
【図１】実施の形態を示す配置構成図である。FIG. 1 is an arrangement configuration diagram showing an embodiment.
【図２】車両後方から見たラジエータの配置図である。FIG. 2 is a layout view of a radiator as viewed from the rear of the vehicle.
【図３】車両側方から見たラジエータの配置図である。FIG. 3 is a layout view of a radiator viewed from a side of the vehicle.
【図４】冷却回路の構成図である。FIG. 4 is a configuration diagram of a cooling circuit.
【図５】別の実施の形態の冷却回路の構成図である。FIG. 5 is a configuration diagram of a cooling circuit according to another embodiment.
【図６】別の実施の形態の冷却回路の構成図である。FIG. 6 is a configuration diagram of a cooling circuit according to another embodiment.
【符号の説明】 １ 動力室 ２ エンジン ３ 発電機 ４ バッテリ ５，６ 電動機 ７ インバータ １１ インバータ室 １２ バッテリ室 １３ エアコンプレッサ １４ エアコンユニット ２０ ラジエータ ２１ 電動ファン ２２ 電動ポンプ ２３ 冷却回路 ２４，２５，２６ 配管 ２７ 補機類 ３０ 水温センサ ３１ 制御装置 ４０，４１，４２ 流量制御弁 ４３，４４，４５ 水温センサ ４６ 制御装置[Description of Signs] 1 power room 2 engine 3 generator 4 battery 5, 6 electric motor 7 inverter 11 inverter room 12 battery room 13 air compressor 14 air conditioner unit 20 radiator 21 electric fan 22 electric pump 23 cooling circuit 24, 25, 26 piping 27 Auxiliary equipment 30 Water temperature sensor 31 Control device 40,41,42 Flow control valve 43,44,45 Water temperature sensor 46 Control device
───────────────────────────────────────────────────── フロントページの続き (72)発明者 家中 弘 埼玉県上尾市大字壱丁目一番地 日産ディ ーゼル工業株式会社内 (72)発明者 阿部 聡彦 埼玉県上尾市大字壱丁目一番地 日産ディ ーゼル工業株式会社内 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hiroshi Ienaka Nissan Diesel Industry Co., Ltd. Inside the corporation
Claims (3)
ッテリと、これらを電源としてインバータを介して駆動
される走行用電動機とを備えるハイブリッド電気自動車
において、 発電機、インバータ、走行用電動機、駆動用電動機およ
びエアコンプレッサ、エアコンユニット等の補機類それ
ぞれに冷却ジャケットを設け、 これら発電機、インバータ、走行用電動機、駆動用電動
機および補機類を複数の系統に分けて、各系統をそれぞ
れ系統毎に配管を介して並列にラジエータおよび電動ポ
ンプを設けた冷却回路に接続すると共に、 各系統の配管径をそれぞれの系統の発熱量によって定め
たことを特徴とするハイブリッド電気自動車の冷却シス
テム。1. A hybrid electric vehicle comprising a generator driven by an engine, a battery, and a driving motor driven by an inverter using the battery as a power source, wherein the generator, the inverter, the driving motor, Cooling jackets are provided for each of the electric motors, air compressors, air conditioner units, and other auxiliary equipment, and these generators, inverters, traveling motors, drive motors, and auxiliary equipment are divided into multiple systems, and each system is A cooling system for a hybrid electric vehicle, wherein the cooling system is connected to a cooling circuit provided with a radiator and an electric pump in parallel via a pipe, and a pipe diameter of each system is determined by a heat value of each system.
検出する水温センサと、ラジエータに冷却風を送る電動
ファンと、水温センサの検出値に応じて電動ファンを駆
動する制御装置とを設けた請求項１に記載のハイブリッ
ド電気自動車の冷却システム。2. A water temperature sensor for detecting a cooling water temperature on a cooling water inlet side of a radiator, an electric fan for sending cooling air to the radiator, and a control device for driving the electric fan in accordance with a detection value of the water temperature sensor. The cooling system for a hybrid electric vehicle according to claim 1.
制御弁を、出口側にそれぞれ冷却水温を検出する水温セ
ンサを設け、各水温センサの検出値に応じて各流量制御
弁の開度を制御する制御装置を設けた請求項１に記載の
ハイブリッド電気自動車の冷却システム。3. A cooling water flow control valve is provided at an inlet side of each system, and a water temperature sensor for detecting a cooling water temperature is provided at an outlet side, and an opening of each flow control valve is determined according to a detection value of each water temperature sensor. The cooling system for a hybrid electric vehicle according to claim 1, further comprising a control device that controls the temperature of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27458697A JP3443296B2 (en) | 1997-10-07 | 1997-10-07 | Hybrid electric vehicle cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27458697A JP3443296B2 (en) | 1997-10-07 | 1997-10-07 | Hybrid electric vehicle cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11107748A true JPH11107748A (en) | 1999-04-20 |
| JP3443296B2 JP3443296B2 (en) | 2003-09-02 |
Family
ID=17543814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27458697A Expired - Fee Related JP3443296B2 (en) | 1997-10-07 | 1997-10-07 | Hybrid electric vehicle cooling system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3443296B2 (en) |
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| US6467286B2 (en) | 2000-12-20 | 2002-10-22 | Honda Giken Kogyo Kabushiki Kaisha | Cooling apparatus of hybrid vehicle, including serially-connected cooling systems for electric devices which have different heat resisting allowable temperatures |
| JP2004112855A (en) * | 2002-09-13 | 2004-04-08 | Nissan Motor Co Ltd | Controller for vehicle |
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