CN2897695Y - Cooling system of electric automobile - Google Patents
Cooling system of electric automobile Download PDFInfo
- Publication number
- CN2897695Y CN2897695Y CN 200620013889 CN200620013889U CN2897695Y CN 2897695 Y CN2897695 Y CN 2897695Y CN 200620013889 CN200620013889 CN 200620013889 CN 200620013889 U CN200620013889 U CN 200620013889U CN 2897695 Y CN2897695 Y CN 2897695Y
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- CN
- China
- Prior art keywords
- heat exchange
- communicated
- radiator
- cooling system
- exchange rig
- 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.)
- Expired - Lifetime
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model provides a cooling system for electric vehicles, which comprises a water pump, a heat exchanged device and a radiator cooled by circulating water. The cooling system firstly cools the vehicle controller and the DC/CD converter, and can also be provided with a defrost heat exchanger. This utility model of a cooling system for electric vehicles has a simple structure, is economic and applied, and can hold the operating temperature of the parts of the electric vehicle in an appropriate scope.
Description
Technical field
The utility model relates to a kind of cooling system, especially a kind of economic and practical cooling system that is applicable to cooling electronlmobil parts.
Background technology
Electronlmobil has received increasing concern as a kind of transportation means of clear energy sources that adopts, and especially automobile manufacturers has been carried out a large amount of work aspect the designing and developing of electronlmobil.In the existing design, a lot of parts of electronlmobil all comprise a large amount of heat elements, so these parts can give out heat at work, make the ambient temperature of these parts raise.For harsh some parts (as vehicle control device, DC/DC conv etc.) that require of existence on operating ambient temperature, this is very disadvantageous.
Designer's independently a/c system that has been each component design is arranged, adopt compressor and refrigerant to realize cooling performance.This makes complex structure and cost costliness.Also have the designer to propose to adopt the compact form design, each parts closely is arranged together mutually concentrates cooling, this has brought difficulty for again the structure design of vehicle, and each parts closely is arranged together mutually, the too small meeting of space length is each other necessarily reducing cooling effectiveness.
The utility model content
Technical problem to be solved in the utility model provides a kind of economic and practical cooling system that is applicable to cooling electronlmobil parts.
For solving the problems of the technologies described above, the utility model provides a kind of electric automobile cooling system, comprises water pump, heat exchange rig and can be to the radiator of circulating water cooling; Water pump, heat exchange rig and radiator are communicated with; Heat exchange rig has 4 at least, and 4 heat exchange rigs wherein cool off vehicle control device, DC/DC conv, electrical motor, the air-conditioner controller of electronlmobil respectively; Water pump directly is communicated with the vehicle control device heat exchange rig, the vehicle control device heat exchange rig is communicated with and is communicated with DC/DC conv heat exchange rig, perhaps water pump directly is communicated with DC/DC conv heat exchange rig, DC/DC conv heat exchange rig is communicated with the vehicle control device heat exchange rig again, and perhaps water pump directly is communicated with vehicle control device heat exchange rig and DC/DC conv heat exchange rig simultaneously.
This electric automobile cooling system adopts recirculated cooling water successively vehicle control device, DC/DC conv, electrical motor, air-conditioner controller to be cooled off, and is simple in structure, implements easily, with low cost.In the heat exchange rig 4 cool off vehicle control device, DC/DC conv, electrical motor, the air-conditioner controller of electronlmobil respectively.The low-temperature cooling water that flows out in the water pump at first cools off, then the DC/DC conv is cooled off, other parts cooled off again vehicle control device, perhaps the low-temperature cooling water that flows out in the water pump at first cools off, then vehicle control device is cooled off, other parts cooled off again the DC/DC conv, and perhaps the low-temperature cooling water that flows out in the water pump cools off, other parts cooled off again vehicle control device and DC/DC conv at first simultaneously.Traditional cooling system generally all is earlier the lower object of temperature to be cooled off, again the lower object of temperature is cooled off, and the vehicle control device of electronlmobil and DC/DC conv all comprise a large amount of heat elements, cal val is bigger, and it is because vehicle control device, the desired ambient temperature of DC/DC conv lower (below 60 ℃) that the utility model electric automobile cooling system is taked earlier the structure design that vehicle control device and DC/DC conv cool off.
Temperature can raise after circulating water cooled off each parts, and radiator makes behind the drop in temperature of circulating water again through the heat exchange rig of water pump pump to each parts, reaches the circulation cooling effect.
When outside air temperature was low, windshield may frosting, influenced driver and crew's sight line.It is higher that cooling water expansion tank cools off the back temperature to parts such as vehicle control devices, can utilize the waste heat of cooling water expansion tank to defrost.For this reason, according to the flow direction of circulating water change-over swith and defrosting heat-exchange system are set in the place ahead of radiator, the defrosting heat-exchange system comprises defrosting heat exchanger and interchange of heat supply air system; Change-over swith has two outlets, in the outlet one directly is communicated with radiator, another be communicated with radiator by the defrosting heat exchanger.Like this, when needs defrost, adjusting change-over swith makes the defrosting heat exchanger be communicated with change-over swith, radiator, (the circulating water water temperature of the defrosting heat exchanger of flowing through was high more a lot of than outside air temperature for temperature build-up after the interchange of heat supply air system made outside air and defrosting heat exchanger generation interchange of heat, especially true under the situation of Windshield meeting frosting), air after the intensification is blowed to Windshield by the interchange of heat supply air system again, reaches the defrosting purpose; Simultaneously, circulating water flow is drop in temperature behind the defrosting heat exchanger, can make the efficient of radiator reduction circulating water temperature higher.Such cooling system has higher energy use efficiency.
The temperature of the circulating water that flows out from vehicle control device heat exchange rig and DC/DC conv heat exchange rig is lower than 60 ℃.Can guarantee that like this vehicle control device and DC/DC conv operating mode are good.
In order to guarantee cooling performance, the temperature that flows into the circulating water of water pump from radiator remains on below 40 ℃.
The circulating water channel of the circulating water outlet of connection defrosting heat exchanger and the circulating water inlet of radiator is provided with check valve, and the inlet of this check valve is communicated with the circulating water outlet of defrosting heat exchanger, outlet is communicated with the circulating water inlet of radiator.
Change-over swith can be selected solenoid directional control valve for use.
Heat exchange rig can be the radiating gill that is positioned at the parts surface that respectively is cooled, and also can be the parts shell that respectively is cooled that has cooling water expansion tank gangway and circulating path.
The utility model electric automobile cooling system is simple in structure, and is economical and practical, and electronlmobil parts operating temperature is remained within the suitable scope.
Description of drawings
For convenience of explanation, the utility model uses following preferred embodiment and accompanying drawing to do to describe in detail.
Fig. 1 is the schematic process flow diagram of a kind of embodiment of the utility model.
The specific embodiment
Fig. 1 shows the workflow of a kind of embodiment of the present utility model.
This cooling system comprises water pump, radiator, solenoid directional control valve, check valve, defrosting heat exchanger, interchange of heat supply air system and 4 heat exchange rigs.
Single direction of arrow among Fig. 1 is the flow of cooling water direction of cooling system, and the double-head arrow direction is carried the direction of air for the interchange of heat supply air system.
4 heat exchange rigs cool off vehicle control device, DC/DC conv, air-conditioner controller, the electrical motor of electronlmobil respectively, and corresponding relation is: vehicle control device-heat exchange rig 1, DC/DC conv-heat exchange rig 2, electrical motor-heat exchange rig 3, air-conditioner controller-heat exchange rig 4.
As shown in Figure 1, the cooling water path of this cooling system comprises first circulation path and second circulation path.
The flow direction of circulating water is in first circulation path:
Water pump-heat exchange rig 1-heat exchange rig 2-heat exchange rig 3-heat exchange rig 4-solenoid directional control valve-radiator-water pump;
The flow direction of circulating water is in second circulation path:
Water pump-heat exchange rig 1-heat exchange rig 2-heat exchange rig 3-heat exchange rig 4-solenoid directional control valve-defrosting heat exchanger-check valve-radiator-water pump.
When cooling water flow through defrosting during heat exchanger, the interchange of heat supply air system makes extraneous air (temperature is lower than the heat exchanger that defrosts this moment and reaches the wherein temperature of cooling water expansion tank) and defrosting heat exchanger generation interchange of heat earlier, and the hot air after the interchange of heat supply air system will heat up again then blows to Windshield.
Vehicle control device and the desired operating temperature of DC/DC conv are below 60 ℃, operating temperature than air-conditioner controller, electrical motor is low, and heat exchange rig 1 and heat exchange rig 2 are at first to cool off vehicle control device and DC/DC conv so cooling water expansion tank is flowed through earlier.
When not needing to defrost, adjust solenoid directional control valve cooling water expansion tank is flowed in first circulation path.
When needs defrost, adjusting solenoid directional control valve flows cooling water expansion tank in second circulation path, cooling water expansion tank enters the defrosting heat exchanger after solenoid directional control valve flows out, again through the check valve inflow radiator, radiator remains on below 40 ℃ the cooling water expansion tank water temperature that flows into water pump.The interchange of heat supply air system makes air and defrosting heat exchanger generation interchange of heat, and the cooling water expansion tank water temperature in the defrosting heat exchanger reduces, and air themperature raises, and the air after the intensification is blowed to Windshield by the interchange of heat supply air system again and realizes defrosting.
Claims (6)
1, a kind of electric automobile cooling system comprises water pump, heat exchange rig and can be to the radiator of circulating water cooling; Described water pump, heat exchange rig and radiator are communicated with; It is characterized in that: comprise at least 4 heat exchange rigs, 4 heat exchange rigs wherein cool off vehicle control device, DC/DC conv, electrical motor, the air-conditioner controller of electronlmobil respectively; Described water pump directly is communicated with described vehicle control device heat exchange rig, described vehicle control device heat exchange rig is communicated with described DC/DC conv heat exchange rig again, perhaps described water pump directly is communicated with described DC/DC conv heat exchange rig, described DC/DC conv heat exchange rig is communicated with described vehicle control device heat exchange rig again, and perhaps described water pump directly is communicated with described vehicle control device heat exchange rig and described DC/DC conv heat exchange rig simultaneously.
2, electric automobile cooling system according to claim 1 is characterized in that: the flow direction according to circulating water is provided with change-over swith and defrosting heat-exchange system in the place ahead of described radiator; Described defrosting heat-exchange system comprises defrosting heat exchanger and interchange of heat supply air system; Described change-over swith has two outlets, in the described outlet one directly is communicated with described radiator, another be communicated with described radiator by described defrosting heat exchanger.
3, electric automobile cooling system according to claim 1 and 2 is characterized in that: the temperature of the circulating water that flows out from described vehicle control device heat exchange rig and DC/DC conv heat exchange rig is lower than 60 ℃.
4, electric automobile cooling system according to claim 3 is characterized in that: the temperature that flows into the circulating water of described water pump from described radiator is lower than 40 ℃.
5, electric automobile cooling system according to claim 3 is characterized in that: be provided with check valve between described defrosting heat exchanger and described radiator, the inlet of this check valve is communicated with described defrosting heat exchanger, outlet is communicated with described radiator.
6, electric automobile cooling system according to claim 5 is characterized in that: described change-over swith is a solenoid directional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620013889 CN2897695Y (en) | 2006-04-30 | 2006-04-30 | Cooling system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620013889 CN2897695Y (en) | 2006-04-30 | 2006-04-30 | Cooling system of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2897695Y true CN2897695Y (en) | 2007-05-09 |
Family
ID=38073033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620013889 Expired - Lifetime CN2897695Y (en) | 2006-04-30 | 2006-04-30 | Cooling system of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2897695Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844501A (en) * | 2010-05-21 | 2010-09-29 | 重庆长安汽车股份有限公司 | Waste heat utilizing system of electric automobile |
| CN102795095A (en) * | 2011-05-27 | 2012-11-28 | 康奈可关精株式会社 | Combined heat exchanger system |
| CN107776386A (en) * | 2016-08-26 | 2018-03-09 | 湖南中车时代电动汽车股份有限公司 | Motor cooling system and application process with defrosting function |
| CN108679803A (en) * | 2018-03-28 | 2018-10-19 | 珠海格力电器股份有限公司 | Electrical appliance kit and air-conditioner system with it |
-
2006
- 2006-04-30 CN CN 200620013889 patent/CN2897695Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844501A (en) * | 2010-05-21 | 2010-09-29 | 重庆长安汽车股份有限公司 | Waste heat utilizing system of electric automobile |
| CN101844501B (en) * | 2010-05-21 | 2011-11-09 | 重庆长安汽车股份有限公司 | Waste heat utilizing system of electric automobile |
| CN102795095A (en) * | 2011-05-27 | 2012-11-28 | 康奈可关精株式会社 | Combined heat exchanger system |
| CN107776386A (en) * | 2016-08-26 | 2018-03-09 | 湖南中车时代电动汽车股份有限公司 | Motor cooling system and application process with defrosting function |
| CN108679803A (en) * | 2018-03-28 | 2018-10-19 | 珠海格力电器股份有限公司 | Electrical appliance kit and air-conditioner system with it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070509 |
|
| EXPY | Termination of patent right or utility model |