CN209230068U - A kind of novel pure electric automobile heat-pump air-conditioning system - Google Patents
A kind of novel pure electric automobile heat-pump air-conditioning system Download PDFInfo
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- CN209230068U CN209230068U CN201822132143.4U CN201822132143U CN209230068U CN 209230068 U CN209230068 U CN 209230068U CN 201822132143 U CN201822132143 U CN 201822132143U CN 209230068 U CN209230068 U CN 209230068U
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Abstract
The utility model discloses a kind of novel pure electric automobile heat-pump air-conditioning system, which includes: vapor compression heat pump circulation and coolant liquid auxiliary heating circulation；Wherein vapor compression heat pump circulation is made of compressor, four-way reversing valve, two heat exchangers, two expansion valves, five check valves, dry liquid reservoir, electric expansion valve, two gas-liquid separators and two blowers, and coolant liquid auxiliary heating circulation is made of constant temperature water tank, driving motor, power battery pack, ptc heater, two solenoid valves, heat exchanger, pump and blower；The switching of the cooling system and heating mode relies primarily on expansion valve and the opening and closing cooperation of four-way reversing valve is realized.The novel pure electric automobile heat-pump air-conditioning system under different environmental working conditions can stable and high effective operation, the especially heating condition under the lower environment of temperature, application and popularization value with higher.
Description
Technical field
The utility model belongs to electrical equipment and electrical engineering field, and in particular to a kind of novel pure electric automobile heat-pump is empty
Adjusting system.
Background technique
The progress of auto industry to our life bring conveniently, but simultaneously also along with environmental disruption the problem of.For
It solves these problems, major automobile vendor proposes a variety of new-energy automobile schemes, and wherein pure electric automobile (EV) is a kind of
Ideal scheme.To improve the comfort that people ride, pure electric automobile must be equipped with air-conditioning system.But pure electric automobile
Energy itself is small and can use without engine exhaust heat, it is necessary to use Electric heating, but this mode will affect it is electronic
Automobile cruising ability, there is very big influences for energy consumption and power performance to vehicle, so cooling-and-warming heat pump type pure electric automobile
Air-conditioning system becomes fast-developing one of the key technology urgently to be resolved of pure electric automobile.
For heat pump techniques as a kind of novel energy conservation and environmental protection technology, it has good application prospect on pure electric automobile,
But the performance of heat pump is not very stable at low ambient temperatures, if outdoor environment temperature reduces, it will lead to scroll compressor
The inspiratory capacity of machine strongly reduces, heating capacity reduces, efficiency declines rapidly, the pressure ratio of compressor can become larger, delivery temperature increases etc.
Problem, the heating demand not being able to satisfy under low temperature condition, especially in extremely frigid zones, it is suppressed that heat pump air conditioner technology is in electronic vapour
Promotion and application on vehicle.
Summary of the invention
For problems described above, the utility model provides a kind of novel pure electric automobile heat-pump air-conditioning system, compared with
More heating capacity can be generated under low environment temperature, the delivery temperature for the low compressor that can effectively drop improves system energy
The advantages that effect is than EER.
The purpose of this utility model is to be achieved through the following technical solutions:
The utility model relates to a kind of novel pure electric automobile heat-pump air-conditioning system, the system comprises: steam compression type
Heat pump cycle and coolant liquid auxiliary heating circulation；Wherein vapor compression heat pump circulation by compressor (1), four-way reversing valve (2),
Vehicle outer layer stacked heat exchanger (3), expansion valve A(4), dry liquid reservoir (5), expansion valve B(6), interior heat exchanger (7), gas-liquid point
From device A(8), electric expansion valve (9), gas-liquid separator B(10), check valve A(11), check valve B(12), check valve C(13), it is single
To valve D(14), check valve E(15), device for drying and filtering (16), liquid-sighting glass (17), axial flow blower (18) and cross flow fan (19) group
At；Coolant liquid auxiliary heating recycle by constant temperature water tank (20), driving motor A(21), ptc heater (22), power battery pack
(23), solenoid valve A(24), heat exchanger (25), pump (26), solenoid valve B(27), cooling blower (28) composition.
The utility model relates to a kind of novel pure electric automobile heat-pump air-conditioning system, in the vapor compression heat pump circulation
Refrigerant be HFC-134a, compressor is the Gas-supplying enthalpy-increasing scroll compressor with auxilairy air intake, and dry liquid reservoir exists
Environment temperature serves as dry liquid reservoir when being greater than 2 DEG C, serves as flash evaporation when environment temperature is less than 2 DEG C.
The utility model relates to a kind of novel pure electric automobile heat-pump air-conditioning systems, when system is in refrigeration mode, unidirectionally
Valve A(11), expansion valve B(6), check valve B(12) open, refrigerant according to flow successively through compressor (1), four-way reversing valve (2),
Vehicle outer layer stacked heat exchanger (3), check valve A(11), dry liquid reservoir (5), expansion valve B(6), check valve B(12), interior heat exchange
Device (7), four-way reversing valve (2), gas-liquid separator A(8), the direction of compressor (1) circulate, vapor compression heat pump at this time
Recycle in refrigeration mode, refrigerant will evaporation absorbs heat in heat exchanger in the car, condenses in vehicle outer layer stacked heat exchanger
Heat is discharged, refrigerant gives the indoor heat transfer of vehicle to car room external environment, reduces vehicle room temperature；Coolant liquid is circulated through perseverance
Reservoir (20) is divided into two-way in constant temperature water tank (20) exit, wherein coolant liquid flows successively through driving motor A(21 all the way),
Another way coolant liquid flows successively through ptc heater (22), power battery pack (23), and so far two-way coolant liquid is handing over interface mixed
Close, flow successively through solenoid valve A(24), heat exchanger (25), pump (26), constant temperature water tank (20) direction circulate, cool down at this time
Coolant liquid in liquid auxiliary heating circulation is served only for cooling driving motor and power battery pack, ptc heater are in close state.
The utility model relates to a kind of novel pure electric automobile heat-pump air-conditioning system, system is in heating mode and environment temperature
When degree is greater than 2 DEG C, expansion valve B(6) standard-sized sheet is equivalent to pipeline, check valve C(13), expansion valve A(4), check valve D(14) open,
Refrigerant is according to flowing successively through compressor (1), four-way reversing valve (2), vehicle indoor heat exchanger (7), check valve C(13), it is dried
Filter (16), expansion valve B(6), dry liquid reservoir (5), liquid-sighting glass (17), expansion valve A(4), check valve D(14), vehicle outer stack
Formula heat exchanger (3), four-way reversing valve (2), gas-liquid separator A(8), the direction of compressor (1) circulate, it is steam compressed at this time
Formula heat pump cycle is in one-stage steam compressed heating mode, and refrigerant evaporates in vehicle outer layer stacked heat exchanger absorbs heat,
Condensation release heat, heats vehicle room air in interior heat exchanger, improves the indoor temperature of vehicle；Coolant liquid is circulated through thermostatted water
Case (20) is divided into two-way in constant temperature water tank (20) exit, wherein coolant liquid flows successively through driving motor A(21 all the way), it is another
Road coolant liquid flows successively through ptc heater (22), power battery pack (23), and so far two-way coolant liquid is handing over interface mixing, according to
It is secondary to flow through solenoid valve A(24), heat exchanger (25), pump (26), constant temperature water tank (20) direction circulate, at this time coolant liquid assist
Coolant liquid in heating circulation is served only for cooling driving motor and power battery pack.
The utility model relates to a kind of novel pure electric automobile heat-pump air-conditioning system, system is in heating mode, environment temperature
When degree is less than 2 DEG C, expansion valve A(4), expansion valve B(6), electric expansion valve (9), check valve C(13), check valve D(14), it is unidirectional
Valve E(15) it opens, refrigerant is according to flowing successively through compressor (1), four-way reversing valve (2), interior heat exchanger (7), check valve C
(13), device for drying and filtering (16), expansion valve B(6), the direction flowing of dry liquid reservoir (5), the refrigeration in dry liquid reservoir (5)
Agent is divided into main road and bypass refrigerant, and wherein main road refrigerant is according to flowing successively through dry liquid reservoir (5), liquid-sighting glass (17), swollen
Swollen valve A(4), check valve D(14), vehicle outer layer stacked heat exchanger (3), four-way reversing valve (2), gas-liquid separator A(8), compressor
(1) direction circulates；Bypass refrigerant is according to flowing successively through dry liquid reservoir (5), electric expansion valve (9), check valve E
(15), gas-liquid separator B(10), the flowing of the direction of compressor (1)；Vapor compression heat pump circulation is in quasi- second level steam at this time
Compression pyrogenic mode, main road refrigerant evaporates in vehicle outer layer stacked heat exchanger absorbs heat, and condensation is released in heat exchanger in the car
Thermal discharge heats interior air, improves vehicle interior temperature；The refrigerant of bypass can reduce the delivery temperature of compressor；It is cooling
Liquid recycle stream crosses constant temperature water tank (20), is divided into two-way in constant temperature water tank (20) exit, wherein coolant liquid flows successively through drive all the way
Dynamic motor A(21), another way coolant liquid flows successively through ptc heater (22), power battery pack (23), and so far two-way coolant liquid exists
Hand over interface mixing, flow successively through solenoid valve A(24), heat exchanger (25), pump (26), constant temperature water tank (20) direction recycle stream
Dynamic, the coolant liquid in coolant liquid auxiliary heating circulation is served only for cooling driving motor and power battery pack at this time, if constant temperature at this time
The temperature of water tank is less than battery required temperature, then ptc heater is opened, to meet the temperature of power battery pack.
The utility model relates to a kind of novel pure electric automobile heat-pump air-conditioning system, system is in heating mode and environment temperature
When degree is less than -7 DEG C, and meet coolant temperature TwHigher than environment temperature TambAt 10 DEG C, expansion valve A(4), expansion valve B
(6), electric expansion valve (9), check valve C(13), check valve D(14), check valve E(15), solenoid valve B(27) open, refrigerant
According to flowing successively through compressor (1), four-way reversing valve (2), interior heat exchanger (7), check valve C(13), device for drying and filtering (16),
Expansion valve B(6), the direction flowing of dry liquid reservoir (5), refrigerant is divided into main road and bypass refrigeration in dry liquid reservoir (5)
Agent, wherein main road refrigerant is according to flowing successively through dry liquid reservoir (5), liquid-sighting glass (17), expansion valve A(4), check valve D(14),
Vehicle outer layer stacked heat exchanger (3), four-way reversing valve (2), gas-liquid separator A(8), the direction of compressor (1) circulates；Bypass
Refrigerant is according to flowing successively through dry liquid reservoir (5), electric expansion valve (9), check valve E(15), gas-liquid separator B(10), pressure
It flows in the direction of contracting machine (1)；Vapor compression heat pump circulation is in the steam compressed heating mode of quasi- second level, main road refrigerant at this time
Evaporation absorbs heat in vehicle outer layer stacked heat exchanger, and condensation release heat in heat exchanger, heats vehicle room air, mention in the car
The high indoor temperature of vehicle；The delivery temperature of bypass refrigerant significant decrease compressor；Coolant liquid is circulated through constant temperature water tank (20),
It is divided into two-way in constant temperature water tank (20) exit, wherein coolant liquid flows successively through driving motor A(21 all the way), another way coolant liquid
Ptc heater (22), power battery pack (23) are flowed successively through, so far two-way coolant liquid is handing over interface mixing, flows to solenoid valve B
(27), vehicle outer layer stacked heat exchanger (3), pump (26), constant temperature water tank (20) direction circulate, coolant liquid auxiliary heating at this time
Coolant liquid in circulation is applied not only to cooling driving motor and power battery pack, while accessing vehicle outer layer stacked heat exchanger to main road
Refrigerant provides heat.
The utility model relates to a kind of novel pure electric automobile heat-pump air-conditioning system, which can be applied to different temperature
Degree environmental working condition is able to satisfy the requirement of the heating performance of electric car especially in the environment of low temperature, which can reduce
The delivery temperature of compressor increases the refrigerant flow of heat pump cycle, improves the performance of system.
The utility model relates to a kind of novel pure electric automobile heat-pump air-conditioning systems, utilize Matlab/Simulink software
Simulation calculating is carried out, and carries out experimental verification.
Detailed description of the invention
Attached drawing 1 is novel pure electric automobile heat-pump air-conditioning system process flow chart；
Wherein: 1- compressor, 2- four-way reversing valve, 3- vehicle outer layer stacked heat exchanger, the dry liquid reservoir of 4- expansion valve A, 5-,
6- expansion valve B, 7- car heat exchanger, 8- gas-liquid separator A, 9- electric expansion valve, 10- gas-liquid separator B, 11- check valve A,
12- check valve B, 13- check valve C, 14- check valve D, 15- check valve E, 16- device for drying and filtering, 17- liquid-sighting glass, 18- axis stream wind
Machine, 19- cross flow fan, 20- constant temperature water tank, 21- driving motor A, 22-PTC heater, 23- power battery pack, 24- solenoid valve
A, 25- heat exchanger, 26- pump, 27- solenoid valve B, 28- cooling blower, 29- driving motor B, 30- inverter.
Specific embodiment
With reference to the accompanying drawing 1 and specific embodiment the utility model is described in further detail.Following implementation
It will be helpful to those skilled in the art and further understand the utility model, but do not limit the utility model in any form.It answers
When, it is noted that those skilled in the art, without departing from the concept of the premise utility, can also do
Several modifications and improvements out.These are all within the protection scope of the present invention.
A kind of novel pure electric automobile heat-pump air-conditioning system of the utility model, as shown in Fig. 1, which includes steam
Compression type heat pump circulation and coolant liquid auxiliary heating circulation.
A kind of novel pure electric automobile heat-pump air-conditioning system of the utility model is made in vapor compression heat pump circulation
Cryogen is HFC-134a, and compressor is the Gas-supplying enthalpy-increasing scroll compressor with auxilairy air intake, and dry liquid reservoir is in environment
Temperature serves as dry liquid reservoir when being greater than 2 DEG C, serves as flash evaporation when environment temperature is less than 2 DEG C.
A kind of novel pure electric automobile heat-pump air-conditioning system of the utility model, the vapor compression heat pump circulation are in
When refrigeration mode, check valve A(11), expansion valve B(6), check valve B(12) open, check valve C(13), expansion valve A(4), it is unidirectional
Valve D(14), electric expansion valve (9) close, the circulation enabled at this time be one-stage steam compressed refrigeration cycle.Coolant liquid auxiliary heating
Solenoid valve A(24 in circulation) open, solenoid valve B(27) close, the coolant liquid in coolant liquid auxiliary heating circulation is served only for cooling down
Driving motor and power battery pack.
A kind of novel pure electric automobile heat-pump air-conditioning system of the utility model, the vapor compression heat pump circulation are in
When heating mode and environment temperature are greater than 2 DEG C, expansion valve B(6) standard-sized sheet, check valve C(13), expansion valve A(4), check valve D(14)
Open, electric expansion valve (9), check valve A(11), check valve B(12) close, only enable at this time it is one-stage steam compressed heating follow
Ring；When environment temperature is less than 2 DEG C, check valve C(13), expansion valve B(6), expansion valve A(4), check valve C(13), electronic expansion
Valve (9), check valve E(15) open, check valve A(11), check valve B(12) close, enable the steam compressed heating of quasi- second level at this time
Circulation.Solenoid valve A(24 in coolant liquid auxiliary heating circulation) open, solenoid valve B(27) close, in coolant liquid auxiliary heating circulation
Coolant liquid be served only for cooling driving motor and power battery pack.
A kind of novel pure electric automobile heat-pump air-conditioning system of the utility model, when environment temperature is less than -7 DEG C and driving electricity
Machine and power battery pack coolant temperature TwHigher than environment temperature TambAt 10 DEG C, check valve C(13), expansion valve B(6), expansion
Valve A(4), check valve C(13), electric expansion valve (9), check valve E(15) open, check valve A(11), check valve B(12) close,
Solenoid valve B(27 in coolant liquid auxiliary heating circulation) open, solenoid valve A(24) close, i.e., enable quasi- second level steam simultaneously at this time
Compression pyrogenic circulation and coolant liquid auxiliary heating circulation.
Claims (7)
1. a kind of novel pure electric automobile heat-pump air-conditioning system, it is characterized in that the system includes vapor compression heat pump circulation and cold
But liquid auxiliary heating recycles；Wherein vapor compression heat pump circulation is changed by compressor (1), four-way reversing valve (2), vehicle outer layer stacked
Hot device (3), expansion valve A(4), dry liquid reservoir (5), expansion valve B(6), interior heat exchanger (7), gas-liquid separator A(8), electronics
Expansion valve (9), gas-liquid separator B(10), check valve A(11), check valve B(12), check valve C(13), check valve D(14), it is single
It is formed to valve E(15), device for drying and filtering (16), liquid-sighting glass (17), axial flow blower (18) and cross flow fan (19)；Coolant liquid auxiliary
Heating circulation by constant temperature water tank (20), driving motor A(21), ptc heater (22), power battery pack (23), solenoid valve A
(24), heat exchanger (25), pump (26), solenoid valve B(27), cooling blower (28) composition；Driving motor B(29), inverter (30)
For converting different operating condition compressor rotary speeds.
2. a kind of novel pure electric automobile heat-pump air-conditioning system according to claim 1, it is characterized in that compressor (1) is band
There is the scroll compressor of Gas-supplying enthalpy-increasing.
3. a kind of novel pure electric automobile heat-pump air-conditioning system according to claim 1, it is characterised in that dry liquid reservoir
(5) dry liquid reservoir is served as when environment temperature is higher than 2 DEG C, serves as flash evaporation lower than 2 DEG C in environment temperature.
4. a kind of novel pure electric automobile heat-pump air-conditioning system according to claim 1, which is characterized in that system is in system
When cold mode, refrigerant is according to flowing successively through compressor (1), four-way reversing valve (2), vehicle outer layer stacked heat exchanger (3), check valve
A(11), dry liquid reservoir (5), expansion valve B(6), check valve B(12), interior heat exchanger (7), four-way reversing valve (2), gas-liquid point
Direction from device A(8), compressor (1) circulates；Coolant liquid is circulated through constant temperature water tank (20), goes out in constant temperature water tank (20)
Mouth punishment is two-way, wherein coolant liquid flows successively through driving motor A(21 all the way), another way coolant liquid flows successively through PTC heating
Device (22), power battery pack (23), so far two-way coolant liquid hand over interface mixing, flow successively through solenoid valve A(24), heat exchanger
(25), (26) are pumped, the direction of constant temperature water tank (20) circulates.
5. a kind of novel pure electric automobile heat-pump air-conditioning system according to claim 1, which is characterized in that system is in system
When heat pattern and environment temperature are greater than 2 DEG C, refrigerant is according to flowing successively through compressor (1), four-way reversing valve (2), interior exchange heat
Device (7), check valve C(13), device for drying and filtering (16), expansion valve B(6), dry liquid reservoir (5), liquid-sighting glass (17), expansion valve A
(4), check valve D(14), vehicle outer layer stacked heat exchanger (3), four-way reversing valve (2), gas-liquid separator A(8), compressor (1)
Direction circulates；Coolant liquid is circulated through constant temperature water tank (20), is divided into two-way in constant temperature water tank (20) exit, wherein all the way
Coolant liquid flows successively through driving motor A(21), another way coolant liquid flows successively through ptc heater (22), power battery pack (23),
So far two-way coolant liquid hand over interface mixing, flow successively through solenoid valve A(24), heat exchanger (25), pump (26), constant temperature water tank
(20) direction circulates.
6. a kind of novel pure electric automobile heat-pump air-conditioning system according to claim 1, which is characterized in that system is in system
Heat pattern and when environment temperature is less than 2 DEG C, refrigerant is according to flowing successively through compressor (1), four-way reversing valve (2), interior exchange heat
Device (7), check valve C(13), device for drying and filtering (16), expansion valve B(6), the direction flowing of dry liquid reservoir (5), store dry
Refrigerant is divided into main road and bypass refrigerant in liquid device (5), wherein main road refrigerant according to flow successively through dry liquid reservoir (5),
Liquid-sighting glass (17), expansion valve A(4), check valve D(14), vehicle outer layer stacked heat exchanger (3), four-way reversing valve (2), gas-liquid separation
Device A(8), the direction of compressor (1) circulates；Bypass refrigerant is according to flowing successively through dry liquid reservoir (5), electric expansion valve
(9), check valve E(15), gas-liquid separator B(10), the flowing of the direction of compressor (1)；Coolant liquid is circulated through constant temperature water tank
(20), it is divided into two-way in constant temperature water tank (20) exit, wherein coolant liquid flows successively through driving motor A(21 all the way), another way
Coolant liquid flows successively through ptc heater (22), power battery pack (23), and so far two-way coolant liquid is handing over interface mixing, successively
Flow through solenoid valve A(24), heat exchanger (25), pump (26), constant temperature water tank (20) direction circulate.
7. a kind of novel pure electric automobile heat-pump air-conditioning system according to claim 1, which is characterized in that system is in system
When heat pattern and environment temperature are less than -7 DEG C, and meet the mixing temperature of driving motor coolant liquid Yu power battery pack coolant liquid
TwHigher than environment temperature TambAt 10 DEG C, refrigerant is according to flowing successively through compressor (1), four-way reversing valve (2), interior heat exchanger
(7), check valve C(13), device for drying and filtering (16), expansion valve B(6), the direction flowing of dry liquid reservoir (5), in dry reservoir
Refrigerant is divided into main road and bypass refrigerant in device (5), wherein main road refrigerant according to flow successively through dry liquid reservoir (5), view
Liquid mirror (17), expansion valve A(4), check valve D(14), vehicle outer layer stacked heat exchanger (3), four-way reversing valve (2), gas-liquid separator A
(8), the direction of compressor (1) circulates；Bypass refrigerant is according to flowing successively through dry liquid reservoir (5), electric expansion valve
(9), check valve E(15), gas-liquid separator B(10), the flowing of the direction of compressor (1)；Coolant liquid is circulated through constant temperature water tank
(20), it is divided into two-way in constant temperature water tank (20) exit, wherein coolant liquid flows successively through driving motor A(21 all the way), another way
Coolant liquid flows successively through ptc heater (22), power battery pack (23), and so far two-way coolant liquid is handing over interface mixing, successively
Flow through solenoid valve B(27), vehicle outer layer stacked heat exchanger (3), pump (26), constant temperature water tank (20) direction circulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822132143.4U CN209230068U (en) | 2018-12-18 | 2018-12-18 | A kind of novel pure electric automobile heat-pump air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822132143.4U CN209230068U (en) | 2018-12-18 | 2018-12-18 | A kind of novel pure electric automobile heat-pump air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209230068U true CN209230068U (en) | 2019-08-09 |
Family
ID=67508232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822132143.4U Expired - Fee Related CN209230068U (en) | 2018-12-18 | 2018-12-18 | A kind of novel pure electric automobile heat-pump air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209230068U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631385A (en) * | 2018-12-18 | 2019-04-16 | 郑州大学 | A kind of novel pure electric automobile heat-pump air-conditioning system |
| CN113983620A (en) * | 2021-10-27 | 2022-01-28 | 郑州新基业汽车电子有限公司 | Novel multi-functional clarifier of electricity generation |
-
2018
- 2018-12-18 CN CN201822132143.4U patent/CN209230068U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631385A (en) * | 2018-12-18 | 2019-04-16 | 郑州大学 | A kind of novel pure electric automobile heat-pump air-conditioning system |
| CN113983620A (en) * | 2021-10-27 | 2022-01-28 | 郑州新基业汽车电子有限公司 | Novel multi-functional clarifier of electricity generation |
| CN113983620B (en) * | 2021-10-27 | 2022-05-17 | 郑州新基业汽车电子有限公司 | Novel multifunctional power generation purifier |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 Termination date: 20191218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |