CN208760371U - A kind of electric automobile heat-pump air-conditioning system - Google Patents
A kind of electric automobile heat-pump air-conditioning system Download PDFInfo
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- CN208760371U CN208760371U CN201820466130.8U CN201820466130U CN208760371U CN 208760371 U CN208760371 U CN 208760371U CN 201820466130 U CN201820466130 U CN 201820466130U CN 208760371 U CN208760371 U CN 208760371U
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Abstract
The utility model discloses a kind of electric automobile heat-pump air-conditioning systems, and including the compressor with air injection enthalpy-increasing, the outlet of the compressor with air injection enthalpy-increasing is divided into two-way, are connected all the way with the import of vehicle external condenser, and another way is connected with the import of interior condenser.The air-conditioning system of the utility model uses the compressor with air injection enthalpy-increasing function, other than it can be realized simultaneously refrigeration, heat-production functions, the COP and refrigerating/heating amount of air-conditioning system can also be increased, realize fast cooling/heating, it is compared with tradition without air injection enthalpy-increasing air-conditioning system, the energy consumption of air-conditioning system about 10%~15% can be reduced, compared with existing PTC electric heating heating, can reduce about be more than 50% energy consumption, increase the course continuation mileage of electric car.
Description
Technical field
The utility model relates to a kind of electric automobile heat-pump air-conditioning systems, belong to automobile air conditioning technology field.
Background technique
With environmental pollution and the growing tension of petroleum resources, the development of conventional fuel oil automobile is increasingly restricted, newly
Type electric car is current most promising alternative solution.
Electric car has developed into important one of road vehicles, the compressor power source of air-conditioning system and winter
Season, heating system was essentially different compared with ordinary internal combustion engine automobile.For existing electric automobile air-conditioning system, use
The air-conditioning system of plain edition motor compressor also has its limitation: electric car does not have engine exhaust heat, and refrigeration system is only in the summer
Ji Yunhang is to meet the requirement of air cooling-down in car room, and winter uses PTC heating mode mainly to meet heating requirement,
Heating efficiency is relatively low, larger to the power consumption of Vehicular accumulator cell, and the serious curtailment mileages of continuation of electric car restricts
Electric car promotion and popularization.
Heat pump type air conditioner compressor is mainly used in household and business air conditioner device at present, and outer dimension is larger, complete machine
Heavier-weight is difficult to be suitable for electric automobile air-conditioning system.Meanwhile the working environment of air conditioning for automobiles has its particularity: bearing frequency
Numerous vibration and impact, the thermic load of air-conditioning is big, and the mounting structure space of air-conditioning system is limited.Therefore, it is necessary to according to electronic vapour
Vehicle work characteristics designs novel both cooling and heating formula (pump type heat) electric automobile air-conditioning system, is that current electric car needs in a hurry
It asks.
Summary of the invention
Technical problem to be solved by the utility model is: solving current heat pump type air conditioner compressor and the electronic pressure of plain edition
Contracting machine is difficult the problem of being suitable for electric automobile air-conditioning system.
In order to solve the above-mentioned technical problem, there is provided a kind of electric automobile heat-pump air-conditionings for the technical solution of the utility model
System, which is characterized in that including the compressor with air injection enthalpy-increasing, the outlet of the compressor with air injection enthalpy-increasing is divided into two-way, and one
Road is connected with the import of vehicle external condenser, and another way is connected with the import of interior condenser；The outlet of vehicle external condenser passes through one
A first check valve is connected with the fluid loop entrance of air injection enthalpy-increasing economizer, the fluid loop entrance point of air injection enthalpy-increasing economizer
Out all the way, the gas return path entrance of air injection enthalpy-increasing economizer is accessed by expansion valve, the gas return path of air injection enthalpy-increasing economizer goes out
The air injection enthalpy-increasing mouth of the compressor of mouth tape splicing air injection enthalpy-increasing, fluid loop outlet and the air conditioner electronic of air injection enthalpy-increasing economizer expand
Valve inlet is connected, and air conditioner electronic expansion valve outlet is connected with the entrance of interior evaporator, and interior evaporator outlet is connected to gas-liquid
Separation-liquid storage device entrance, gas-liquid separation-reservoir outlet are connected with the air entry of the compressor with air injection enthalpy-increasing；Jet increases
The outlet of enthalpy economizer fluid loop is connected by heating electric expansion valve with the entrance of vehicle external condenser, the outlet of interior condenser
It is connected with the entrance of subcooler outside vehicle, the outer subcooler of vehicle exports and by a second one-way valve and air injection enthalpy-increasing economizer
Fluid loop entrance is connected, and the entrance front end of air conditioner electronic expansion valve is connected with gas-liquid separation-liquid storage device entrance.
Preferably, the compressor with air injection enthalpy-increasing is electric scroll compressor.
Preferably, the 5th is equipped between the entrance of the air conditioner electronic expansion valve and gas-liquid separation-liquid storage device entrance
Solenoid valve.
Preferably, the outlet of the compressor with air injection enthalpy-increasing passes through the first solenoid valve, second solenoid valve respectively
It is connect with the import of vehicle external condenser, the import of interior condenser；The fluid loop outlet of the air injection enthalpy-increasing economizer is logical
It crosses the 4th solenoid valve to be connected with air conditioner electronic expansion valve entrance, the fluid loop of air injection enthalpy-increasing economizer inlet and outlet parallel connection one the
Three solenoid valves, the both ends of third solenoid valve are separately connected the 4th solenoid valve and the first check valve.
Preferably, the outlet of the compressor with air injection enthalpy-increasing passes through an electric T-shaped valve or four-way valve and vehicle
The import of external condenser, the import connection of interior condenser；The fluid loop inlet and outlet of the air injection enthalpy-increasing economizer pass through
One electric T-shaped valve or four-way valve are connected with air conditioner electronic expansion valve entrance.
Preferably, the front end of the interior evaporator is equipped with air-conditioning draught fan, and the front end of air-conditioning draught fan is equipped with outdoor fresh
The inlet of air intake and interior circulated air entrance, outdoor fresh air entrance and interior circulated air entrance, which is equipped with, adjusts wind
Door, the rear end of interior condenser are equipped with head air outlet and foot's air outlet, interior evaporator, interior condenser and interior air-conditioning
Blower is set in a shell；Vehicle external condenser and the outer subcooler of vehicle arrange that the outer subcooler of vehicle is located at vehicle external condenser parallel
Front, be equipped with electronic air-inlet grille before the outer subcooler of vehicle, vehicle external condenser is below equipped with vehicle condensed exterior blower.
Preferably, into one pressure sensor of setting on gas-liquid separation-liquid storage device pipeline and one first
Temperature sensor；
Preferably, the expansion valve is electric expansion valve, and the gas return path entrance and exit of air injection enthalpy-increasing economizer is each
One temperature sensor is set.
Preferably, the expansion valve is heating power expansion valve, and heating power expansion valve and solenoid valve are connected in series.
Preferably, the vehicle external condenser and the outer subcooler of vehicle are merged into a heat exchanger, and the outer subcooler of vehicle is heat exchange
First row circuit on device, vehicle external condenser be heat exchanger on other flow back to road.
The air-conditioning system of the utility model use the compressor with air injection enthalpy-increasing function, in addition to can be realized simultaneously refrigeration,
Outside heat-production functions, the COP and refrigerating/heating amount of air-conditioning system can also be increased, realize fast cooling/heating, with tradition without
Air injection enthalpy-increasing air-conditioning system is compared, and the energy consumption of air-conditioning system about 10%~15% can be reduced, and heats phase with existing PTC electric heating
Than, can reduce about be more than 50% energy consumption, increase the course continuation mileage of electric car.
Detailed description of the invention
Fig. 1 is a kind of flow chart of electric automobile heat-pump air-conditioning system (with refrigerant stream when realizing refrigerating/heating function
To)；
Fig. 2 is a kind of flow chart of electric automobile heat-pump air-conditioning system (with refrigerant stream when realizing demisting/defrosting function
To).
Specific embodiment
To be clearer and more comprehensible the utility model, hereby with preferred embodiment, and attached drawing is cooperated to be described in detail below.
Embodiment 1
A kind of electric automobile heat-pump air-conditioning system provided by the utility model is a cold, hot two-purpose type automotive air-conditioning system,
As shown in Figure 1 and Figure 2, the electric scroll formula compressor 1 with air injection enthalpy-increasing function is selected, sets two heat exchangers respectively inside and outside compartment,
That is the outer subcooler 7 of vehicle external condenser 6 and vehicle, interior evaporator 9 and interior condenser 8.Interior evaporator 9, interior condenser 8 with
Interior air-conditioning draught fan 10 is placed on together in a shell 12, is integrated into air-conditioning box assembly, is sequentially arranged are as follows: outdoor fresh air
Entrance 13 and interior circulated air entrance 14, air-conditioning draught fan 10, A/C evaporator 9, interior condenser 8, remove nebelwind at damper 11
Door 15, head air outlet 16 and foot's air outlet 17.The front end of interior evaporator 9 is equipped with air-conditioning draught fan 10, outdoor fresh air
The front end of air-conditioning draught fan 10 is arranged in entrance 13 and interior circulated air entrance 14, and a damper is arranged in the two inlet
11, when outdoor fresh air entrance 13 opens big, interior circulated air entrance 14 reduces, and vice versa.After interior condenser 8
End is equipped with head air outlet 16 and foot's air outlet 17.Vehicle external condenser 6 and the parallel arrangement of the outer subcooler 7 of vehicle, the outer subcooler 7 of vehicle
Positioned at the front of vehicle external condenser 6, it is equipped with electronic air-inlet grille 31 before the outer subcooler 7 of vehicle, is set behind vehicle external condenser 6
There is vehicle condensed exterior blower 5.
1 outlet of screw compressor is divided into two-way, controls refrigerant with the first solenoid valve 2 and second solenoid valve 3 respectively
Flow direction, is connected with the import of vehicle external condenser 6 all the way, and another way is connected with the import of interior condenser 8.Vehicle external condenser 6
Outlet is connected by first check valve 18 with 27 fluid loop entrance of air injection enthalpy-increasing economizer, 27 liquid of air injection enthalpy-increasing economizer
Body circuit entrance separates all the way, and the gas return path entrance of air injection enthalpy-increasing economizer 27 is accessed by electric expansion valve 28, and jet increases
The gas return path outlet of enthalpy economizer 27 connects the air injection enthalpy-increasing mouth of electric scroll compressor 1, and 27 liquid of air injection enthalpy-increasing economizer returns
Way outlet is connected by the 4th solenoid valve 21 with 22 entrance of air conditioner electronic expansion valve, the outlet of air conditioner electronic expansion valve 22 and car
The entrance of evaporator 9 is connected, and interior evaporator 9 exports the entrance for being connected to gas-liquid separation-liquid storage device 26, gas-liquid separation-liquid storage
The outlet of device 26 is connected with the air entry of electric scroll compressor 1.One is arranged on the pipeline for entering gas-liquid separation-liquid storage device 26
Pressure sensor 25 and first temperature sensor 24.It is each in the gas return path entrance and exit of air injection enthalpy-increasing economizer 27
One temperature sensor (i.e. second temperature sensor 29 and third temperature sensor 30) is set.
In order to realize heat-production functions, some special piping connections, the outlet of 27 fluid loop of air injection enthalpy-increasing economizer are increased
It is connected by heating electric expansion valve 4 with the entrance of vehicle external condenser 6, the outlet of interior condenser 8 and entering for the outer subcooler 7 of vehicle
Mouth is connected, and the outlet of the outer subcooler 7 of vehicle enters with by a second one-way valve 19 and the fluid loop of air injection enthalpy-increasing economizer 27
Mouth is connected, and the fluid loop of air injection enthalpy-increasing economizer 27 imports and exports a third solenoid valve 20 in parallel, air conditioner electronic expansion valve 22
Entrance front end be connected with the entrance of gas-liquid separation-liquid storage device 26.
There are four types of operational modes for the air-conditioning system tool of the utility model design: operation of air conditioner, operation of heat pump, heating demisting fortune
Row, vehicle external condenser Defrost operation.
Air conditioning operating mode: high-temperature high-pressure refrigerant gas enters from the outlet of screw compressor 1 by the first solenoid valve 2
Vehicle external condenser 6 is condensed into after liquid in vehicle external condenser 6 and enters 27 liquid of air injection enthalpy-increasing economizer by the first check valve 18
Body circuit becomes the two-phase refrigeration of low-temp low-pressure then into the 4th solenoid valve 21 is crossed into air conditioner electronic expansion valve 22 after throttling
Agent, evaporation becomes gas in evaporator 9 in the car, then returns to screw compressor 1 by gas-liquid separation-liquid storage device 26.
Heat pump operation mode: high-temperature high-pressure refrigerant gas enters from the outlet of screw compressor 1 by second solenoid valve 3
Interior condenser 8 is condensed into after liquid in condenser 8 in the car and enters the outer subcooler 7 of vehicle, then by second one-way valve 19 into
Enter 27 fluid loop of air injection enthalpy-increasing economizer, vehicle external condenser 6 is then entered after heating 28 reducing pressure by regulating flow of electric expansion valve
Interior evaporation, the of the third solenoid valve 20 and bypass of gas after evaporation by the bypass of 27 fluid loop of air injection enthalpy-increasing economizer
Enter gas-liquid separation-liquid storage device 26 after five solenoid valves 23 and returns to screw compressor 1.
Heat demisting operational mode: refrigerant flow direction is identical as heating operation mode, and air conditioner electronic expansion valve 22 is opened,
Some refrigerant evaporator 9 into the car, are then return to gas-liquid separation-liquid storage device 26, return screw compressor 1.
6 Defrost operation mode of vehicle external condenser: identical as air conditioning operating mode, condenser is entered the wind electronic grid 31 and is closed.
Embodiment 2
In the present embodiment, screw compressor 1 can be replaced with other pattern compressors with air injection enthalpy-increasing.
Electric expansion valve 28, second temperature sensor 29 and the third of 27 gas return path of air injection enthalpy-increasing economizer inlet and outlet
Temperature sensor 30 can also be replaced with solenoid valve and heating power expansion valve.Pass through solenoid valve and heating power expansion valve series connection substitution electricity
Sub- expansion valve 28, while cancelling second temperature sensor 29 and third temperature sensor 30.
First solenoid valve 2 and second solenoid valve 3 can also be substituted with an electric T-shaped valve or four-way valve, third solenoid valve
20 and the 4th solenoid valve 21 can also use an electric T-shaped valve or four-way valve substitution.
In actual fabrication, vehicle external condenser 6 and the outer subcooler 7 of vehicle can be merged into a heat exchanger, and the outer subcooler 7 of vehicle can
Think the first row circuit on heat exchanger, it is vehicle external condenser 6 that other, which flow back to road,.
Other are same as Example 1.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of electric automobile heat-pump air-conditioning system, which is characterized in that including the compressor with air injection enthalpy-increasing, with air injection enthalpy-increasing
The outlet of compressor is divided into two-way, is connected all the way with the import of vehicle external condenser (6), another way and interior condenser (8)
Import is connected；The liquid of first check valve (18) and air injection enthalpy-increasing economizer (27) is passed through in the outlet of vehicle external condenser (6)
Circuit entrance is connected, and the fluid loop entrance of air injection enthalpy-increasing economizer (27) separates all the way, accesses air injection enthalpy-increasing by expansion valve
The gas return path entrance of economizer (27), the compressor of the gas return path outlet tape splicing air injection enthalpy-increasing of air injection enthalpy-increasing economizer (27)
Air injection enthalpy-increasing mouth, air injection enthalpy-increasing economizer (27) fluid loop outlet is connected with air conditioner electronic expansion valve (22) entrance, sky
Electric expansion valve (22) outlet and the entrance of interior evaporator (9) is adjusted to be connected, interior evaporator (9) outlet is connected to gas-liquid point
Entrance from-liquid storage device (26), gas-liquid separation-liquid storage device (26) outlet are connected with the air entry of the compressor with air injection enthalpy-increasing；
The outlet of air injection enthalpy-increasing economizer (27) fluid loop is connected by heating electric expansion valve (4) with the entrance of vehicle external condenser (6),
The entrance of the outer subcooler (7) of the outlet of interior condenser (8) and vehicle is connected, the outlet of the outer subcooler (7) of vehicle with pass through one the
Two check valves (19) are connected with the fluid loop entrance of air injection enthalpy-increasing economizer (27), before the entrance of air conditioner electronic expansion valve (22)
End is connected with the entrance of gas-liquid separation-liquid storage device (26).
2. a kind of electric automobile heat-pump air-conditioning system as described in claim 1, which is characterized in that described with air injection enthalpy-increasing
Compressor is electric scroll compressor (1).
3. a kind of electric automobile heat-pump air-conditioning system as described in claim 1, which is characterized in that the air conditioner electronic expansion
The 5th solenoid valve (23) is equipped between the entrance of valve (22) and the entrance of gas-liquid separation-liquid storage device (26).
4. a kind of electric automobile heat-pump air-conditioning system as described in claim 1, which is characterized in that described with air injection enthalpy-increasing
It is cold that the outlet of compressor passes through the first solenoid valve (2), second solenoid valve (3) and the import of vehicle external condenser (6), car respectively
The import of condenser (8) connects；The air injection enthalpy-increasing economizer (27) fluid loop outlet by the 4th solenoid valve (21) with
Air conditioner electronic expansion valve (22) entrance is connected, and the fluid loop of air injection enthalpy-increasing economizer (27) imports and exports a third electromagnetism in parallel
Valve (20), the both ends of third solenoid valve (20) are separately connected the 4th solenoid valve (21) and the first check valve (18).
5. a kind of electric automobile heat-pump air-conditioning system as described in claim 1, which is characterized in that described with air injection enthalpy-increasing
The outlet of compressor passes through the imports of an electric T-shaped valve or four-way valve and vehicle external condenser (6), interior condenser (8)
Import connection；The fluid loop inlet and outlet of the air injection enthalpy-increasing economizer (27) by an electric T-shaped valve or four-way valve with
Air conditioner electronic expansion valve (22) entrance is connected.
6. a kind of electric automobile heat-pump air-conditioning system as described in claim 1, which is characterized in that the interior evaporator
(9) front end is equipped with air-conditioning draught fan (10), and the front end of air-conditioning draught fan (10) is equipped with outdoor fresh air entrance (13) and car follows
The inlet of ring wind entrance (14), outdoor fresh air entrance (13) and interior circulated air entrance (14) is equipped with damper
(11), the rear end of interior condenser (8) is equipped with head air outlet (16) and foot's air outlet (17)；The vehicle external condenser
(6) it is arranged parallel with the outer subcooler (7) of vehicle, the outer subcooler (7) of vehicle is located at the front of vehicle external condenser (6), the outer subcooler (7) of vehicle
Before be equipped with electronic air-inlet grille (31), vehicle external condenser (6) is below equipped with vehicle condensed exterior blower (5).
7. a kind of electric automobile heat-pump air-conditioning system as described in claim 1, which is characterized in that enter the gas-liquid point
From a pressure sensor (25) and first temperature sensor (24) is arranged on the pipeline of-liquid storage device (26).
8. a kind of electric automobile heat-pump air-conditioning system as described in claim 1, which is characterized in that the expansion valve is electronics
A temperature sensor is respectively arranged in expansion valve (28), the gas return path entrance and exit of air injection enthalpy-increasing economizer (27).
9. a kind of electric automobile heat-pump air-conditioning system as described in claim 1, which is characterized in that the expansion valve is heating power
Expansion valve, heating power expansion valve and solenoid valve are connected in series.
10. a kind of electric automobile heat-pump air-conditioning system as described in claim 1, which is characterized in that the vehicle external condenser
(6) and the outer subcooler (7) of vehicle is merged into a heat exchanger, and the outer subcooler (7) of vehicle is the first row circuit on heat exchanger, cold outside vehicle
Condenser (6) be heat exchanger on other flow back to road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820466130.8U CN208760371U (en) | 2018-04-03 | 2018-04-03 | A kind of electric automobile heat-pump air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820466130.8U CN208760371U (en) | 2018-04-03 | 2018-04-03 | A kind of electric automobile heat-pump air-conditioning system |
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| CN208760371U true CN208760371U (en) | 2019-04-19 |
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ID=66125208
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820466130.8U Active CN208760371U (en) | 2018-04-03 | 2018-04-03 | A kind of electric automobile heat-pump air-conditioning system |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569095A (en) * | 2018-04-03 | 2018-09-25 | 上海威乐汽车空调器有限公司 | Electric automobile heat-pump air-conditioning system |
| CN110525169A (en) * | 2019-09-05 | 2019-12-03 | 上海理工大学 | Pure electric automobile integrated crew module's heat pump air conditioner and three electric heating management systems |
| CN110654199A (en) * | 2019-10-10 | 2020-01-07 | 上海理工大学 | New energy automobile heat pump air conditioning system with ejector |
-
2018
- 2018-04-03 CN CN201820466130.8U patent/CN208760371U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569095A (en) * | 2018-04-03 | 2018-09-25 | 上海威乐汽车空调器有限公司 | Electric automobile heat-pump air-conditioning system |
| CN110525169A (en) * | 2019-09-05 | 2019-12-03 | 上海理工大学 | Pure electric automobile integrated crew module's heat pump air conditioner and three electric heating management systems |
| CN110525169B (en) * | 2019-09-05 | 2022-08-23 | 上海理工大学 | Integrated passenger cabin heat pump air conditioner and three-electric heating management system for pure electric vehicle |
| CN110654199A (en) * | 2019-10-10 | 2020-01-07 | 上海理工大学 | New energy automobile heat pump air conditioning system with ejector |
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