CN207466354U - Vehicle intelligent cooling system and electric vehicle - Google Patents
Vehicle intelligent cooling system and electric vehicle Download PDFInfo
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- CN207466354U CN207466354U CN201721344359.6U CN201721344359U CN207466354U CN 207466354 U CN207466354 U CN 207466354U CN 201721344359 U CN201721344359 U CN 201721344359U CN 207466354 U CN207466354 U CN 207466354U
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Abstract
The utility model is related to vehicular electric machine cooling technology fields, particularly vehicle intelligent cooling system and electric vehicle.The electric vehicle includes driving motor, electric machine controller and cooling system, wherein cooling system includes control device, the first cooling branch for being provided with the first water pump, the first control valve and driving motor cooling line, the second cooling branch for being provided with the second water pump, the second control valve and electric machine controller cooling line, is provided with the heat dissipation branch of radiator and connects the downstream of driving motor cooling line and the connecting pipeline of electric machine controller cooling line upstream, and third control valve is provided on connecting pipeline.By way of controlling water pump, control valve, regulation and control cooling system by connect and it is in parallel have both in the form of cool down, solve the problems, such as register in cooling system, driving motor cooling line, electric machine controller cooling line, water pump cool in series or in parallel caused by cooling-down effect difference or energy consumption it is higher.
Description
Technical field
The utility model is related to vehicular electric machine cooling technology fields, particularly vehicle intelligent cooling system and electric vehicle.
Background technology
The continual mileage of electric vehicle is to hinder the universal of electric vehicle and develop vital factor now, and energy saving
It is to improve a kind of effective approach of continual mileage.The type of cooling of current drive system of electric automobile is by radiator, driving
Motor, electric machine controller, water pump are cooled down in a manner of constant current speed in series or in parallel, but when drive system temperature increases
When, constant current speed cannot effectively reduce drive system temperature, influence its working efficiency, and when drive system temperature reduces, water pump is still
It is so worked with constant current speed, leads to the waste of battery capacity.
The Chinese patent literature for having publication No. to be CN105196860A discloses a kind of temperature control type electric electrical automobile cooling means
And system, including cooling water radiator, cooling water radiator fan, controller, temperature sensor and water pump, the driving of electric vehicle
Motor, electric machine controller and DCDC modules are respectively equipped with temperature sensor, and pass through pipeline parallel connection and cooling water radiator into
Between water end (W.E.) and water outlet, controller control connection water pump, temperature sensor and cooling water radiator fan, according to the drive detected
The temperature of dynamic motor, electric machine controller and DCDC modules, judges and controls the flow velocity of cooling water and the operating mode of radiator fan.
But when radiator, driving motor, electric machine controller, water pump are cooled down in series, driving motor and
The excessively high cooling-down effect that be easy to cause is poor simultaneously for electric machine controller temperature, influences normal vehicle operation；When in parallel into
During row cooling, while power demand height of multiple water pumps to vehicle is opened, energy expenditure is larger, influences the applicability of vehicle.
Utility model content
The purpose of this utility model is to provide vehicle intelligent cooling system and electric vehicle, to solve to dissipate in cooling system
Cooling-down effect difference or energy consumption caused by hot device, driving motor, electric machine controller, water pump cool in series or in parallel
The problem of higher.
To achieve the above object, the utility model provides following technical scheme：
Scheme one：A kind of vehicle intelligent cooling system cools down branch and heat dissipation branch including the first cooling branch, second,
The first water pump, the first control valve and driving motor cooling line are provided in the first cooling branch；The second cooling branch
The second water pump, the second control valve and electric machine controller cooling line are provided in road；Radiator is provided in the heat dissipation branch,
Further include the connecting pipeline in downstream Yu the electric machine controller cooling line upstream for connecting the driving motor cooling line, institute
It states and third control valve is provided on connecting pipeline.
Advantageous effect is that cooling system is divided into parallel and serial by the utility model by way of setting control valve
The cooling water circulation pipeline having both solves radiator in cooling system, driving motor cooling line, electric machine controller cooling tube
The problem of cooling-down effect difference caused by road, water pump cool in series or in parallel or higher energy consumption.
Scheme two：On the basis of scheme one, control device is further included, the control device control connects first water
Pump, the second water pump, the first control valve, the second control valve and third control valve.
Scheme three：On the basis of scheme two, driving motor temperature sensor and electric machine controller temperature sensing are further included
Device, the control device sampling connection driving motor temperature sensor and electric machine controller temperature sensor.
Scheme four：On the basis of scheme one, scheme two or scheme three, the heat dissipation branch road is provided with to be dissipated for radiator
The radiator fan of heat, the control device control connection radiator fan.
Scheme five：On the basis of scheme four, the radiator is also parallel with air-conditioning duct, and air-conditioning includes compressor and cold
Condenser, the control device control connect the compressor and the condenser.
Scheme six：On the basis of scheme five, the control device is entire car controller.
Scheme seven：A kind of electric vehicle, including driving motor, electric machine controller and cooling system, the cooling system packet
The first cooling branch, the second cooling branch and heat dissipation branch are included, the first water pump, the first control are provided in the first cooling branch
Valve and driving motor cooling line processed；The second water pump, the second control valve and motor control are provided in the second cooling branch
Device cooling line；Radiator is provided in the heat dissipation branch, which further includes the connection driving motor cooling tube
The connecting pipeline of the downstream on road and the electric machine controller cooling line upstream is provided with third control on the connecting pipeline
Valve.
Scheme eight：On the basis of scheme seven, control device is further included, the control device control connects first water
Pump, the second water pump, the first control valve, the second control valve and third control valve.
Scheme nine：On the basis of scheme eight, driving motor temperature sensor and electric machine controller temperature sensing are further included
Device, the control device sampling connection driving motor temperature sensor and electric machine controller temperature sensor.
Scheme ten：On the basis of scheme seven, scheme eight or scheme nine, the heat dissipation branch road is provided with to be dissipated for radiator
The radiator fan of heat, the control device control connection radiator fan.
Scheme 11：On the basis of scheme ten, the radiator is also parallel with air-conditioning duct, air-conditioning include compressor and
Condenser, the control device control connect the compressor and the condenser.
Scheme 12：On the basis of scheme 11, the control device is entire car controller.
Description of the drawings
Fig. 1 is a kind of connection diagram of vehicle intelligent cooling system；
Fig. 2 is a kind of schematic diagram of the control method of vehicle intelligent cooling system.
Specific embodiment
The utility model is described in more detail below in conjunction with the accompanying drawings.
The utility model provides a kind of electric vehicle, is cooled down including driving motor, electric machine controller and a kind of vehicle intelligent
System, as shown in Figure 1, the vehicle intelligent cooling system includes control device (being not drawn into figure), driving motor temperature sensor
5th, electric machine controller temperature sensor 6, first cools down branch, the second cooling branch and heat dissipation branch, wherein the first cooling branch
In be provided with driving motor cooling line 1, the first water pump 3 and the first control valve 13, driving motor cooling line 1 is used for driving
Electric motor temperature reduction；Electric machine controller cooling line 2, the second water pump 4 and the second control valve 11, motor are provided in second cooling branch
Controller cooling line 2 is used to cool down to electric machine controller；Radiator is provided in heat dissipation branch；The cooling system further includes company
Connect the downstream of driving motor cooling line 1 and the connecting pipeline of 2 upstream of electric machine controller cooling line, wherein connecting pipeline
On be provided with third control valve 12.
Driving motor temperature sensor 5 and electric machine controller temperature sensor 6 control for detecting driving motor and motor
The temperature and rate of temperature change of device, for ease of drawing, by driving motor temperature sensor 5 and electric machine controller temperature in Fig. 1
Sensor 6 is drawn on driving motor cooling line 1 and electric machine controller cooling line 2.
It is preferred that control device be entire car controller, preferably radiate branch road be additionally provided with radiator fan 7 and with radiator simultaneously
The air-conditioning duct of connection, wherein air-conditioning include compressor 9 and condenser 10.
The first water pump 3 of entire car controller output terminal connection control, the second water pump 4, the first control valve 13, the second control valve 11
Water pump, third control valve 12, radiator fan 7, compressor 9 and condenser 10；Entire car controller input terminal connection sampling driving electricity
Machine temperature sensor 5 and electric machine controller temperature sensor 6.
First control valve 11 is controlled through the second cooling including the electric machine controller cooling line 2 of electric machine controller
The conducting and disconnection of branch, the second control valve 12 are controlled through including the driving motor cooling line 1 of driving motor
The conducting and disconnection of one cooling branch, by controlling the closing of the first control valve 11 and the second control valve 12, control third control
The conducting of valve 13 can obtain the state that driving motor cooling line 1 and electric machine controller cooling line 2 are connected.
The utility model provides a kind of control method of vehicle intelligent cooling system, as shown in Fig. 2, corresponding driving motor
Temperature presets that the first set temperature value of driving motor is a0, the second set temperature value of driving motor is a1, driving motor third is set
Constant temperature angle value is a2, wherein a2>a1>A0, a2 are to be worth near the criticality alarm less than driving motor；The temperature of corresponding electric machine controller
Default the first set temperature value of electric machine controller of degree is b0, the second set temperature value of electric machine controller is b1, electric machine controller the
Three set temperature values are b2, wherein b2>b1>B0, b2 are to be worth near the criticality alarm less than electric machine controller；Pass through driving motor
The driving motor real time temperature that temperature sensor 5 detects is T1 and rate of temperature change is K1, passes through electric machine controller temperature sensing
The electric machine controller real time temperature that device 6 detects is T2 and rate of temperature change is K2.
Step S1：Judge whether T1 is more than a0, whether T2 is more than b0.
If T1<A0 and T2<B0, then cooling system do not start work；If T1>A0 or T2>B0, cooling system open work,
The first control valve 13 and the second control valve 11 is controlled to close, control third control valve 12 is opened so that driving motor cooling line 1
Series connection cooling is realized with electric machine controller cooling line 2, and perform step S2；If T1>A0 and T2>B0, cooling system open work
Make, the first control valve 13 and the second control valve 11 is controlled to open, control third control valve 12 is closed so that driving motor cooling tube
Road 1 and electric machine controller cooling line 2 realize cooling in parallel, and perform step S3.
Step S2：Judge whether K1 is more than whether zero, K2 is more than zero.
If K1>0 or/and K2>0, then the power for improving the first water pump 3 is controlled, so as to be promoted through driving motor cooling tube
Road 1 and the cooling water flow velocity of electric machine controller cooling line 2；If K1=0 and K2=0, the first water pump 3 is controlled, makes cooling water
Flow velocity is constant；Otherwise the first water pump 3 is controlled to reduce cooling water flow velocity.
Step S3：Judge whether K1 is more than whether zero, K2 is more than zero.
If K1>0, then the first water pump 3 is controlled, promotes the cooling water flow velocity by driving motor cooling line；If K1=0,
The first water pump 3 is then controlled, makes cooling water flow velocity constant；Otherwise the first water pump 3 is controlled to reduce cooling water flow velocity.
If K2>0, then the second water pump 4 is controlled, promotes the cooling water flow velocity by electric machine controller cooling line；If K2=
0, then the second water pump 4 is controlled, makes cooling water flow velocity constant；Otherwise the second water pump 4 is controlled to reduce cooling water flow velocity.
Step S4：Judge whether T1 is more than a1, whether T2 is more than b1.
If T1>A1 or T2>B1, radiator fan 7 is opened in control, and performs step S2, until T1<A1 and T2<It is performed after b1
Step S1；If T1>A1 and T2>B1 is then controlled and is started radiator fan 7, and performs step S3, until T1<A1 and T2<It is performed after b1
Step S1.
Step S5：Judge whether T1 is more than a2, whether T2 is more than b2.
If T1>A2 or T2>B2 is then controlled and is opened the compressor 9 of air-conditioning and condenser 10, to the cooling water in radiator 8
It cools down, and performs step S2, until T1<A2 and T2<Step S4 is performed after b2；If T1>A2 and T2>B2 is then controlled
The compressor 9 of air-conditioning and condenser 10 are opened, the cooling water in radiator 8 is cooled down, and perform step S3, until
T1<A2 and T2<Step S4 is performed after b2.
Be presented above the utility model is related to specific embodiment, but the utility model is not limited to described reality
Apply mode.It is in the basic ideas of the utility model by setting driving motor and electricity in cooling system as three control valves
The cooling line of machine controller forms the forms such as series connection and parallel connection, and definitive requirement is not done for specific control strategy,
In the case of the principle and spirit for not departing from the utility model to the change, modification, replacement and modification of embodiment progress still
It falls into the scope of protection of the utility model.
Claims (12)
1. a kind of vehicle intelligent cooling system, including the first cooling branch, the second cooling branch and heat dissipation branch, described first is cold
But the first water pump, the first control valve and driving motor cooling line are provided in branch；It is provided in the second cooling branch
Second water pump, the second control valve and electric machine controller cooling line；Radiator is provided in the heat dissipation branch, feature exists
In further including the connecting tube in downstream Yu the electric machine controller cooling line upstream for connecting the driving motor cooling line
Road is provided with third control valve on the connecting pipeline.
2. vehicle intelligent cooling system according to claim 1, which is characterized in that further include control device, the control
Device control connects first water pump, the second water pump, the first control valve, the second control valve and third control valve.
3. vehicle intelligent cooling system according to claim 2, which is characterized in that further include driving motor temperature sensor
With electric machine controller temperature sensor, the control device sampling connection driving motor temperature sensor and electric machine controller temperature
Sensor.
4. the vehicle intelligent cooling system according to Claims 2 or 3, which is characterized in that the heat dissipation branch road is provided with
For the radiator fan of radiator heat-dissipation, the control device control connection radiator fan.
5. vehicle intelligent cooling system according to claim 4, which is characterized in that the radiator is also parallel with air-conditioner pipe
Road, air-conditioning include compressor and condenser, and the control device control connects the compressor and the condenser.
6. vehicle intelligent cooling system according to claim 5, which is characterized in that the control device is full-vehicle control
Device.
A kind of 7. electric vehicle, including driving motor, electric machine controller and cooling system, which is characterized in that the cooling system
Including the first cooling branch, the second cooling branch and heat dissipation branch, the first water pump, first are provided in the first cooling branch
Control valve and driving motor cooling line；The second water pump, the second control valve and motor control are provided in the second cooling branch
Device cooling line processed；Radiator is provided in the heat dissipation branch, it is cold that the cooling system further includes the connection driving motor
But the connecting pipeline of the downstream of pipeline and the electric machine controller cooling line upstream is provided with third control on the connecting pipeline
Valve processed.
8. electric vehicle according to claim 7, which is characterized in that further include control device, the control device control
Connect first water pump, the second water pump, the first control valve, the second control valve and third control valve.
9. electric vehicle according to claim 8, which is characterized in that further include driving motor temperature sensor and motor control
Device temperature sensor processed, the control device sampling connection driving motor temperature sensor and electric machine controller temperature sensor.
10. electric vehicle according to claim 8 or claim 9, which is characterized in that the heat dissipation branch road is provided with as radiator
The radiator fan of heat dissipation, the control device control connection radiator fan.
11. electric vehicle according to claim 10, which is characterized in that the radiator is also parallel with air-conditioning duct, empty
It stealthily substitutes and includes compressor and condenser, the control device control connects the compressor and the condenser.
12. electric vehicle according to claim 11, which is characterized in that the control device is entire car controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721344359.6U CN207466354U (en) | 2017-10-18 | 2017-10-18 | Vehicle intelligent cooling system and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721344359.6U CN207466354U (en) | 2017-10-18 | 2017-10-18 | Vehicle intelligent cooling system and electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN207466354U true CN207466354U (en) | 2018-06-08 |
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ID=62266986
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721344359.6U Active CN207466354U (en) | 2017-10-18 | 2017-10-18 | Vehicle intelligent cooling system and electric vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108990395A (en) * | 2018-09-19 | 2018-12-11 | 苏州艾思控科技有限公司 | A kind of heat dissipating method and cooling system for automatically controlled integrated controller |
| CN109228836A (en) * | 2018-11-01 | 2019-01-18 | 珠海格力电器股份有限公司 | Integrated cooling system and automobile electric drive system |
| CN109677255A (en) * | 2017-10-18 | 2019-04-26 | 河南森源重工有限公司 | A kind of vehicle intelligent cooling system and electric car |
| CN110949647A (en) * | 2019-10-30 | 2020-04-03 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Cooling water path structure of marine electric propulsion device |
-
2017
- 2017-10-18 CN CN201721344359.6U patent/CN207466354U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109677255A (en) * | 2017-10-18 | 2019-04-26 | 河南森源重工有限公司 | A kind of vehicle intelligent cooling system and electric car |
| CN109677255B (en) * | 2017-10-18 | 2024-05-31 | 河南森源重工有限公司 | Intelligent cooling system for vehicle and electric automobile |
| CN108990395A (en) * | 2018-09-19 | 2018-12-11 | 苏州艾思控科技有限公司 | A kind of heat dissipating method and cooling system for automatically controlled integrated controller |
| CN108990395B (en) * | 2018-09-19 | 2023-11-07 | 苏州艾思控科技有限公司 | Heat dissipation method and heat dissipation system for electric control integrated controller |
| CN109228836A (en) * | 2018-11-01 | 2019-01-18 | 珠海格力电器股份有限公司 | Integrated cooling system and automobile electric drive system |
| CN110949647A (en) * | 2019-10-30 | 2020-04-03 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Cooling water path structure of marine electric propulsion device |
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