CN104390785B - Test stand for pure electric automobile cooling system - Google Patents
Test stand for pure electric automobile cooling system Download PDFInfo
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- CN104390785B CN104390785B CN201410589488.6A CN201410589488A CN104390785B CN 104390785 B CN104390785 B CN 104390785B CN 201410589488 A CN201410589488 A CN 201410589488A CN 104390785 B CN104390785 B CN 104390785B
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- stop valve
- cooling system
- water pump
- electronic
- electric automobile
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Abstract
The invention provides a test stand for a pure electric automobile cooling system. The test stand comprises a heat radiator, an electronic fan assembly, a sensing part, a control valve part, a water tank, an electronic water pump and heat radiation components. The sensing part comprises temperature sensors, pressure sensors and a flow sensor. The control valve part comprises a first stop valve, an adjustable throttle valve, a second stop valve and a third stop valve. A lift flow characteristic test loop of the electronic water pump, a heat radiation performance test loop of the heat radiator and the electronic fan assembly, and a flow resistance test loop of the cooling system are formed via controlling opening and closing of each valve in the control valve part. Firstly temperature and pressure of each position of the cooling system and system cooling liquid flow are outputted in real time via the temperature sensors, the pressure sensors and the flow sensor, and then the acquired data are processed via acquisition data processing equipment equipped on the test stand.
Description
Technical field
The present invention relates to the cooling system of pure electric automobile, and in particular to a kind of pure electric automobile cooling system test platform.
Background technology
In pure electric automobile, the motor and controller for power output operationally gives out amount of heat, is guarantor
It is one of function of cooling system to demonstrate,prove it and can work within the scope of normal temperature, is that one kind can be by using water cooling circulation
The heat that each part is distributed efficiently conducts the efficient type of cooling, and in the development process of cooling system, must be to cold
But the characteristic of the heat dissipation characteristics, system flow resistance and water pump of each part of system is grasped and studied.
At present for the design of electric automobile cooling system, analytical calculation is often relied on merely, or be individually directed to certain
Individual characterisitic parameter is tested, and cannot carry out systematic measurement and analysis to overall from the angle of amount.
The content of the invention
In view of this, the present invention provides a kind of pure electric automobile cooling system test platform, realizes cooling system each position
The real-time output of temperature, pressure and system coolant rate.
The technical solution used in the present invention is specially：A kind of pure electric automobile cooling system test platform, including radiator and
Electronic fan assembly, detecting means, control valve portion, water tank, electronic water pump and radiating subassembly；The detecting means include TEMP
Device, pressure sensor and flow sensor, the control valve portion include the first stop valve, adjustable throttling, the second stop valve and
3rd stop valve；Opening and closing by each valve in control control valve portion, forming the lift discharge characteristic test of electronic water pump
The heat dispersion test loop in loop, radiator and electronic fan assembly, the flow resistance test loop of cooling system.
In above-mentioned pure electric automobile cooling system test platform, first stop valve and second stop valve are closed,
The adjustable throttling and the 3rd stop valve are opened, the electronic water pump, the adjustable throttling, the water tank and described
3rd stop valve is by lift discharge characteristic test loop that the closed loop that pipeline is formed is the electronic water pump.
In above-mentioned pure electric automobile cooling system test platform, it is provided between the electronic water pump and the adjustable throttling
Pressure sensor and flow sensor, between the 3rd stop valve and the electronic water pump pressure sensor is provided with.
In above-mentioned pure electric automobile cooling system test platform, first stop valve and the 3rd stop valve are closed,
Second stop valve is opened, and adjustable throttling is opened to maximum, the electronic water pump, the adjustable throttling, the water tank, institute
It is radiator and electricity that the second stop valve, the radiator and electronic fan assembly and electronic water pump are stated by the closed loop that pipeline is formed
The heat dispersion test loop of sub- fan assembly.
In above-mentioned pure electric automobile cooling system test platform, it is provided between the electronic water pump and the adjustable throttling
Pressure sensor and flow sensor, are provided with pressure biography between second stop valve and the radiator and electronic fan assembly
Sensor and temperature sensor, are provided with temperature sensor and pressure between the radiator and electronic fan assembly and the electronic water pump
Force snesor.
In above-mentioned pure electric automobile cooling system test platform, first stop valve and second stop valve are opened,
3rd stop valve and the adjustable throttling are closed, the electronic water pump, first stop valve, the radiating subassembly,
The loop that the water tank, second stop valve, the radiator and electronic fan assembly and the electronic water pump are formed is formed
The flow resistance test loop of the cooling system.
In above-mentioned pure electric automobile cooling system test platform, it is provided between the electronic water pump and first stop valve
Pressure sensor and flow sensor, are provided with temperature sensor between first stop valve and the radiating subassembly and pressure is passed
Sensor, is provided with temperature sensor and pressure sensor, second stop valve and institute between the radiating subassembly and the water tank
State and pressure sensor and temperature sensor are provided between radiator and electronic fan assembly, the radiator and electronic fan assembly
Temperature sensor and pressure sensor are provided with and the electronic water pump between.
In above-mentioned pure electric automobile cooling system test platform, the electronic water pump is connected with the pipeline at two ends using hoop
Connect.
In above-mentioned pure electric automobile cooling system test platform, the water tank is closing constant temperature water tank.
In above-mentioned pure electric automobile cooling system test platform, the radiating subassembly is replaced with the motor in motor bench
And electric machine controller, the pipeline of cooling system stand is connected by pipeline with the motor and electric machine controller, the cooling
System test stand can be used as the cooling system of the motor bench.
The beneficial effect comprise that：
The testing stand of the present invention is completed to current design and design object by carrying out the measurement of system in entire vehicle design
Matching degree is tested, in overtemperature alarm to the analysis of the parameter amount of carrying out of cooling system, to electric automobile cooling system
Comprehensively measured.
Description of the drawings
When considered in conjunction with the accompanying drawings, the present invention can more completely be more fully understood.Accompanying drawing described herein is used for providing
A further understanding of the present invention, embodiment and its illustrates, for explaining the present invention, not constituting inappropriate limitation of the present invention.
Fig. 1 is a kind of structural representation of pure electric automobile cooling system test platform of the invention.
In figure：1st, heat-sink unit 2, temperature sensor 3, pressure sensor 4, water pump 5, flow sensor 6, first
Stop valve 7, radiating subassembly 8, adjustable throttling 9, water tank 10, the second stop valve 11, the 3rd stop valve 12, pipeline.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is described in further detail to technical scheme.
A kind of pure electric automobile cooling system test platform as shown in Figure 1, including radiator and electronic fan assembly, by by
The detecting means of temperature sensor 2, pressure sensor 3 and flow sensor 5 composition, by the first stop valve 6, adjustable throttling 8, the
Control valve portion, water tank, electronic water pump and radiating subassembly that two stop valves 10 and the 3rd stop valve 11 are constituted；Water tank 9 is preferably sealed
Constant temperature water tank is closed, the pipe at an invariable power thermal source, electronic water pump 4 and two ends is provided for cooling system test platform by thermostatic control
Road 12 is connected using hoop, and sustained height is in water pump with the pressure sensor for during replacing for facilitating different water pumps, making two ends.
Opening and closing by each valve in control control valve portion, forming lift discharge characteristic test loop, the radiator of electronic water pump
And heat dispersion test loop, the flow resistance test loop of cooling system of electronic fan assembly；Wherein：
(1)
When stop valve (6,10) closing, the 3rd stop valve 11 are opened, the loop of formation is the lift flow of electronic water pump
Characteristic test loop, concrete loop is：5 → adjustable throttling of electronic water pump 4 → pressure sensor, 3 → flow sensor 8 → envelope
Close constant temperature water tank 9 → the 3rd 11 → pressure sensor of stop valve, 3 → electronic water pump 4.By the aperture for controlling adjustable throttling 8,
The different flow resistance of loop correspondence, the flow sensor 5 after pressure sensor 3 and electronic water pump 4 before and after electronic water pump 4 is exported not
Same numerical value, using gathered data processing equipment data processing calculating is carried out, and the lift discharge characteristic for obtaining electronic water pump 4 is bent
Line.
In above-mentioned loop, radiating subassembly 7 is corresponded to the motor and electric machine controller in motor bench, will by pipeline 12
The pipeline of cooling system stand is connected with motor and electric machine controller in motor bench, and the testing stand can be used as motor platform
The cooling system of frame, by the output motor of temperature sensor 2 and the coolant temperature before and after controller, obtains motor controller
Heat dissipation characteristics curve.
(2)
When stop valve (6,11) close, the second stop valve 10 is opened, adjustable throttling 8 is opened to maximum when, the loop of formation
For radiator and the heat dispersion test loop of electronic fan assembly 1, circuit is specially：4 → pressure sensor of electronic water pump 3 →
Stop valve 10 → pressure sensor, the 3 → TEMP of 5 → adjustable throttling of flow sensor 8 → closing constant temperature water tank 9 → the second
2 → radiator of device and 3 → electronic water pump of electronic fan assembly 1 → temperature sensor, 2 → pressure sensor 4, close constant temperature water tank 9
Carry out different temperatures thermostatic control, output flow sensor 5, the temperature sensor 2 before and after radiator and electronic fan assembly 1
Numerical value, using gathered data processing equipment data processing calculating is carried out, and obtains the thermal diffusivity of radiator and electronic fan assembly 1
Energy.
(3)
Close when the 3rd stop valve 11 and adjustable throttling 8, when stop valve (6,10) is opened, form the flow resistance of cooling system
Test loop, concrete loop is：4 → pressure sensor of electronic water pump, 3 → flow sensor 5 → the first, 6 → temperature of stop valve is passed
2 → pressure sensor of sensor 2 → pressure sensor, 3 → radiating subassembly, 7 → temperature sensor 3 → closing constant temperature water tank 9 → the second
Stop valve 10 → pressure sensor, 3 → temperature sensor, 2 → radiator and electronic fan assembly 1 → temperature sensor, 2 → pressure
3 → electronic water pump of sensor 4, by the pressure value of the pressure sensor 3 before and after output electronic water pump 4, carries out mathematic interpolation, obtains
To the flow resistance of cooling system.
In the same manner, radiating subassembly 7 is corresponded to the motor and electric machine controller in motor bench, by output motor and control
The pressure value of the pressure sensor 3 before and after device, carries out mathematic interpolation, obtains the flow resistance of motor controller.
Testing stand exports in real time cooling system each position by temperature sensor 2, pressure sensor 3 and flow sensor 5
Temperature, pressure and system coolant rate, by the gathered data processing equipment being equipped with, at the data that collect
Reason.
As described above, being explained to embodiments of the invention, it is clear that if essentially without depart from this
Bright inventive point and effect, will be readily apparent to persons skilled in the art deformation, also be all contained in the guarantor of the present invention
Within the scope of shield.
Claims (9)
1. a kind of pure electric automobile cooling system test platform, it is characterised in that including radiator and electronic fan assembly, sensing
Portion, control valve portion, water tank, electronic water pump and radiating subassembly；The detecting means include temperature sensor, pressure sensor and flow
Sensor, the control valve portion includes the first stop valve, adjustable throttling, the second stop valve and the 3rd stop valve；By control
Each valve being opened and closing in control valve portion, forms lift discharge characteristic test loop, radiator and the electron wind of electronic water pump
Heat dispersion test loop, the flow resistance test loop of cooling system of fan assembly；
Wherein, first stop valve and second stop valve are closed, and the adjustable throttling and the 3rd stop valve are beaten
Open, the electronic water pump, the adjustable throttling, the water tank and the 3rd stop valve are institute by the closed loop that pipeline is formed
State the lift discharge characteristic test loop of electronic water pump.
2. pure electric automobile cooling system test platform according to claim 1, it is characterised in that the electronic water pump and institute
State and be provided between adjustable throttling pressure sensor and flow sensor, set between the 3rd stop valve and the electronic water pump
There is pressure sensor.
3. pure electric automobile cooling system test platform according to claim 1, it is characterised in that first stop valve and
3rd stop valve is closed, and second stop valve is opened, and adjustable throttling is opened to maximum, the electronic water pump, it is described can
Flow regulating valve, the water tank, second stop valve, the radiator and electronic fan assembly and electronic water pump pass through pipeline shape
Into closed loop be radiator and electronic fan assembly heat dispersion test loop.
4. pure electric automobile cooling system test platform according to claim 3, it is characterised in that the electronic water pump and institute
State and be provided between adjustable throttling pressure sensor and flow sensor, second stop valve and the radiator and electron wind
Be provided with pressure sensor and temperature sensor between fan assembly, the radiator and electronic fan assembly and the electronic water pump it
Between be provided with temperature sensor and pressure sensor.
5. pure electric automobile cooling system test platform according to claim 1, it is characterised in that first stop valve and
Second stop valve is opened, and the 3rd stop valve and the adjustable throttling are closed, the electronic water pump, described first section
Only valve, the radiating subassembly, the water tank, second stop valve, the radiator and electronic fan assembly and the electronics
The loop that water pump is formed forms the flow resistance test loop of the cooling system.
6. pure electric automobile cooling system test platform according to claim 5, it is characterised in that the electronic water pump and institute
State and pressure sensor and flow sensor are provided between the first stop valve, set between first stop valve and the radiating subassembly
There are temperature sensor and pressure sensor, temperature sensor and pressure sensing are provided between the radiating subassembly and the water tank
Device, is provided with pressure sensor and temperature sensor, institute between second stop valve and the radiator and electronic fan assembly
State and temperature sensor and pressure sensor are provided between radiator and electronic fan assembly and the electronic water pump.
7. pure electric automobile cooling system test platform according to claim 1, it is characterised in that the electronic water pump and two
The pipeline at end is connected using hoop.
8. pure electric automobile cooling system test platform according to claim 1, it is characterised in that the water tank is permanent for closing
Reservoir.
9. pure electric automobile cooling system test platform according to claim 1, it is characterised in that replace the radiating subassembly
The motor and electric machine controller being changed in motor bench, the pipeline of cooling system stand is by pipeline and the motor and motor control
Device processed is connected, and the cooling system test stand can be used as the cooling system of the motor bench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410589488.6A CN104390785B (en) | 2014-10-28 | 2014-10-28 | Test stand for pure electric automobile cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410589488.6A CN104390785B (en) | 2014-10-28 | 2014-10-28 | Test stand for pure electric automobile cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104390785A CN104390785A (en) | 2015-03-04 |
| CN104390785B true CN104390785B (en) | 2017-05-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410589488.6A Active CN104390785B (en) | 2014-10-28 | 2014-10-28 | Test stand for pure electric automobile cooling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198048B (en) * | 2016-07-06 | 2019-02-05 | 浙江大学 | Cooling system of vehicle cold side resistance simulation is test bed and its method |
| CN109425490A (en) * | 2017-08-31 | 2019-03-05 | 深圳市万斯得自动化设备有限公司 | New-energy automobile simulated testing system |
| CN107727166B (en) * | 2017-11-22 | 2019-07-12 | 中国第一汽车股份有限公司 | A kind of automobile power cell packet internal cooling system fluid flow test method |
| CN108963368B (en) * | 2018-06-15 | 2020-07-03 | 北京长城华冠汽车科技股份有限公司 | Flow testing method and device for thermal management pipeline of power battery of electric automobile |
| CN109540538B (en) * | 2018-08-27 | 2021-06-18 | 浙江中车电车有限公司 | Failure analysis method for passenger car cooling system |
| CN109596883A (en) * | 2018-11-24 | 2019-04-09 | 苏州驿力机车科技股份有限公司 | A kind of detection system and detection method of automobile radiators heat radiation power |
| CN109708897A (en) * | 2019-01-17 | 2019-05-03 | 北京航空航天大学 | Rocket engine test stand water system |
| CN110987495B (en) * | 2019-12-02 | 2021-12-07 | 深圳市禾望电气股份有限公司 | Radiator testing device |
| CN111579181B (en) * | 2020-04-26 | 2021-08-13 | 东风汽车集团有限公司 | Filling test system and method of cooling system |
| CN112033714B (en) * | 2020-08-12 | 2021-07-02 | 大连理工大学 | Test platform for evaluating heat dissipation performance of water-cooled radiator and use method |
| CN112284748B (en) * | 2020-10-27 | 2023-04-07 | 无锡沃尔福汽车技术有限公司 | Engine cooling system heat dissipation balance test mechanism |
| CN112412767B (en) * | 2020-11-02 | 2023-04-18 | 东风汽车股份有限公司 | New energy automobile electronic water pump performance detection system and detection method thereof |
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| CN104390785A (en) | 2015-03-04 |
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