CN209726563U - 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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- CN209726563U CN209726563U CN201920238016.4U CN201920238016U CN209726563U CN 209726563 U CN209726563 U CN 209726563U CN 201920238016 U CN201920238016 U CN 201920238016U CN 209726563 U CN209726563 U CN 209726563U
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Abstract
The utility model discloses a kind of electric automobile heat-pump air-conditioning systems, including the indoor heat exchanger, outdoor heat exchanger and expansion valve being connected in turn on the first pipeline, and the gas-liquid separator, compressor and the Defrost heater that are connected in turn on the second pipeline;Four-way reversing valve is equipped between first pipeline and the second pipeline, the connection of the first port of indoor heat exchanger and four-way reversing valve, the connection of the second port of outdoor heat exchanger and four-way reversing valve, 4th port of the connection of the third port of gas-liquid separator and four-way reversing valve, Defrost heater and four-way reversing valve connects;It further include third pipeline, third pipeline one end is connect with outdoor heat exchanger by expansion valve one end, and the other end is connect with the first outlet of defrost solenoid valve, and the import of defrost solenoid valve and the outlet of compressor connect, and defrost solenoid valve second outlet is connect with Defrost heater.Whole system component is less, and pipeline is simple, and mode handover procedure is fairly simple, easy to operate.
Description
Technical field
The utility model relates to automotive air-conditioning system technical fields, in particular to a kind of electric automobile heat-pump air-conditioning system.
Background technique
Existing automotive air-conditioning system, mainstream are to realize the functions such as heating using PTC, and refrigerating function then needs other one
It covers refrigerant system to complete, two systems, which cooperate, can realize the mode of multiple needs;And it directlys adopt electric heating and adopts
It is warm, including the schemes such as PTC air heater and PTC water heater, it is converted into thermal energy by directly consuming electric energy, its advantage is that
Efficient heat can be also obtained at a temperature of very low, but the disadvantage is that heating efficiency is low, power consumption is big, seriously affects in vehicle driving
Journey.
It is empty that Chinese patent CN106042827B discloses a kind of electric automobile air-conditioning system, electric car and electric car
Adjusting system control method.Including compressor, four-way valve, vehicle external heat exchanger, the first interior heat exchanger, the second interior heat exchanger, the
One pipeline, the second pipeline, third pipeline and the 4th pipeline and the first control valve and the second control valve.When vehicle external heat exchanger needs
When defrost, four-way valve first port is connected to the 4th port.Second port is connected to third port, second branch and the first pipeline
With the second pipeline connection;First control valve and the second control valve control third pipeline and the 4th pipeline conducting, the first branch
It is disconnected with the first pipeline and the second pipeline.The air-conditioning system pipeline and component are more, and control process is complex.
Utility model content
The purpose of this utility model seeks to overcome above-mentioned the shortcomings of the prior art, and it is few to provide a kind of system unit,
Control the complete electric automobile heat-pump air-conditioning system of simple functions.
To achieve the above object, the utility model provides a kind of electric automobile heat-pump air-conditioning system, it is characterised in that: including
Indoor heat exchanger, outdoor heat exchanger and the expansion valve being connected in turn on the first pipeline, and be connected in turn on the second pipeline
Gas-liquid separator, compressor and Defrost heater;
Four-way reversing valve is equipped between first pipeline and the second pipeline, the indoor heat exchanger and four-way reversing valve
The second port of first port connection, the outdoor heat exchanger and four-way reversing valve connects, and the gas-liquid separator is changed with four-way
It is connected to the third port of valve, the 4th port of the Defrost heater and four-way reversing valve connects;
Further include third pipeline, the third pipeline one end connect with outdoor heat exchanger by expansion valve one end, the other end and
The first outlet of defrost solenoid valve connects, and the defrost solenoid valve is two-bit triplet solenoid valve, the import of the defrost solenoid valve
It is connect with the outlet of compressor, the defrost solenoid valve second outlet is connect with Defrost heater.
Further, when the air-conditioning system is refrigeration mode, the first port of the four-way reversing valve and third end
Mouth connection, the second port of the four-way reversing valve are connect with the 4th port, the import of the defrost solenoid valve and defrost electromagnetism
The second outlet of valve connects.
Further, when the air-conditioning system is heating mode, the first port of the four-way reversing valve and the 4th end
Mouth connection, the second port of the four-way reversing valve are connect with third port, the import of the defrost solenoid valve and defrost electromagnetism
The second outlet of valve connects.
Further, when the air-conditioning system is defrost pattern, the first port of the four-way reversing valve and the 4th end
Mouth connection, the second port of the four-way reversing valve are connect with third port, the import of the defrost solenoid valve and defrost electromagnetism
The first outlet of valve connects.
Further, further include regenerator, include in the regenerator, the first heat exchanger channels and the second heat exchanger channels, institute
The first heat exchanger channels are stated to be connected between expansion valve and outdoor heat exchanger, second heat exchanger channels be connected to gas-liquid separator with
Between the third port of four-way reversing valve.
The beneficial effects of the utility model are as follows:
1, system unit is few, and control is simple.The utility model the 4th port of gas-liquid separator and four-way reversing valve it
Between be equipped with Defrost heater, the switching of defrost pattern is controlled by third pipeline and defrost solenoid valve, passes through four-way reversing valve
Control the switching of refrigeration mode and heating mode.Whole system component in this way is less, and pipeline is simple, and mode handover procedure is simpler
It is single, it is easy to operate.
2, increase refrigerating capacity.Regenerator is set, in cooling mode, makes refrigerant after the first heat exchanger channels are cooling
In supercooled state, the refrigerating capacity of indoor heat exchanger is increased, so that air conditioner heat is more efficient.
Detailed description of the invention
Fig. 1 is the schematic diagram of electric automobile heat-pump air-conditioning system in cooling mode.
Fig. 2 is the schematic diagram of electric automobile heat-pump air-conditioning system in a heating mode.
Fig. 3 is schematic diagram of the electric automobile heat-pump air-conditioning system under defrost pattern.
Fig. 4 is the electric automobile heat-pump air-conditioning system schematic diagram with regenerator.
Fig. 5 for no defrost solenoid valve electric automobile heat-pump air-conditioning system schematic diagram.
Each part numbers are as follows in figure: compressor 1, gas-liquid separator 2, four-way reversing valve 3, indoor heat exchanger 4, expansion valve
5, outdoor heat exchanger 6, Defrost heater 7, defrost solenoid valve 8, defrosting stop valve 801, regenerator 9, the first heat exchanger channels 901,
Second heat exchanger channels 902, the first pipeline 101, the second pipeline 102, third pipeline 103.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, convenient for more clearly understanding that this is practical new
Type, but they do not constitute the utility model and limit.
As shown in figures 1-4, a kind of electric automobile heat-pump air-conditioning system, it is characterised in that: including being connected to the first pipe in turn
Indoor heat exchanger 4, outdoor heat exchanger 6 and expansion valve 5 on road 101, and the gas-liquid point being connected in turn on the second pipeline 102
From device 2, compressor 1 and Defrost heater 7;Four-way reversing valve 3 is equipped between first pipeline 101 and the second pipeline 102, interior is changed
Hot device 4 is connect with the first port of four-way reversing valve 3, and outdoor heat exchanger 6 is connect with the second port of four-way reversing valve 3, gas-liquid
Separator 2 is connect with the third port of four-way reversing valve 3, and Defrost heater 7 is connect with the 4th port of four-way reversing valve 3;Also
Including third pipeline 103,103 one end of third pipeline is connect with outdoor heat exchanger 6 by 5 one end of expansion valve, the other end and defrost electricity
The first outlet of magnet valve 8 connects, and defrost solenoid valve 8 is two-bit triplet solenoid valve, import and the compressor 1 of defrost solenoid valve 8
Outlet connection, 8 second outlet of defrost solenoid valve are connect with Defrost heater 7.It is controlled by third pipeline and defrost solenoid valve
The switching of defrost pattern controls the switching of refrigeration mode and heating mode by four-way reversing valve.In this way whole system component compared with
Few, pipeline is simple, and mode handover procedure is fairly simple, easy to operate.
In above-mentioned technical proposal, when air-conditioning system is refrigeration mode, as shown in Figure 1, the first port of four-way reversing valve 3
It is connect with third port, the second port of four-way reversing valve 3 is connect with the 4th port, import and the defrost electricity of defrost solenoid valve 8
The second outlet of magnet valve 8 connects, and indoor heat exchanger 4 absorbs the heat of car room at this time, and outdoor heat exchanger 6 discharges heat.When
When front windshield fogging, keep refrigeration mode constant, defroster door is opened, and defrosting heat exchanger is started to work, indoor heat exchanger
Dehumidification cooling first is carried out to air, then Defrost heater again heats air, the low humidity being achieved in that and suitable temperature
The air of degree blows to glass and carries out demisting, and defogging effect can be better.
In above-mentioned technical proposal, when air-conditioning system is heating mode, as shown in Fig. 2, the first port of four-way reversing valve 3
It is connect with the 4th port, the second port of four-way reversing valve 3 is connect with third port, import and the defrost electricity of defrost solenoid valve 8
The second outlet of magnet valve 8 connects, and indoor heat exchanger 4 discharges heat into automobile, and outdoor heat exchanger 6 absorbs heat.Before automobile
When windshield frosting, keep heating mode constant, defroster door opens Defrost heater work, will be by indoor heat exchanger
Hot wind further heats and blows to front windshield, realizes front windshield quickly defrosting.
In above-mentioned technical proposal, when air-conditioning system is outdoor heat exchanger defrost pattern, as shown in figure 3, four-way reversing valve 3
First port connect with the 4th port, the second port of four-way reversing valve 3 is connect with third port, defrost solenoid valve 8 into
Mouth is connect with the first outlet of defrost solenoid valve 8, in 103 access system of third pipeline.Refrigerant constantly enters compressor in this way
Then middle increasing temperature and pressure transfers heat to the shell of outdoor heat exchanger, so that outdoor heat exchanger absorbs heat and carries out defrost.
It as a preferred embodiment, include the first heat exchanger channels 901 in regenerator 9 as shown in figure 4, further including regenerator 9
With the second heat exchanger channels 902, the first heat exchanger channels 901 are connected between expansion valve 5 and outdoor heat exchanger 6, the second heat exchanger channels
902 are connected between gas-liquid separator 2 and the third port of four-way reversing valve.In this way when air-conditioning system is in refrigeration mode,
Setting regenerator can make refrigerant, in supercooled state, increase the system of indoor heat exchanger after the first heat exchanger channels are cooling
Cooling capacity, so that air conditioner heat is more efficient.
Alternatively preferred embodiment, as shown in figure 5,801 substitutionization of defrosting stop valve is arranged on third pipeline 103
White solenoid valve 8,103 one end of third pipeline are connected to outdoor heat exchanger 6 by 5 one end of expansion valve, the outlet of the other end and compressor 1
Connection, meanwhile, the outlet of compressor 1 is also connected to defrosting heat exchanger 7.When air-conditioning system is in refrigeration or heating mode, change
White shut-off valve is closed, and system work process is constant, is directly connected between compressor outlet and defrosting heat exchanger;At air-conditioning system
When defrost pattern, defrosting stop valve is opened, and expansion valve is closed, and the gaseous coolant of the high temperature and pressure come out from compressor is direct
Heat is discharged into outdoor heat exchanger, realizes the defrosting function of its outer surface.Defrosting stop valve is lower than defrost solenoid valve price,
Reduce the cost of whole system.
Claims (5)
1. a kind of electric automobile heat-pump air-conditioning system, it is characterised in that: including the interior being connected in turn on the first pipeline (101)
Heat exchanger (4), expansion valve (5) and outdoor heat exchanger (6), and the gas-liquid separator being connected in turn on the second pipeline (102)
(2), compressor (1) and Defrost heater (7);
Between first pipeline (101) and the second pipeline (102) be equipped with four-way reversing valve (3), the indoor heat exchanger (4) with
The first port of four-way reversing valve (3) connects, and the outdoor heat exchanger (6) connect with the second port of four-way reversing valve (3), institute
It states gas-liquid separator (2) to connect with the third port of four-way reversing valve (3), the Defrost heater (7) and four-way reversing valve (3)
The 4th port connection;
It further include third pipeline (103), described third pipeline (103) one end and outdoor heat exchanger (6) connect by expansion valve (5) one end
It connects, the other end is connect with the first outlet of defrost solenoid valve (8), and the defrost solenoid valve (8) is two-bit triplet solenoid valve, described
The import of defrost solenoid valve (8) is connect with the outlet of compressor (1), and defrost solenoid valve (8) second outlet and defrosting are heated
Device (7) connection.
2. a kind of electric automobile heat-pump air-conditioning system according to claim 1, it is characterised in that: when the air-conditioning system is
When refrigeration mode, the first port of the four-way reversing valve (3) is connect with third port, and the second of the four-way reversing valve (3)
Port is connect with the 4th port, and the import of the defrost solenoid valve (8) is connect with the second outlet of defrost solenoid valve (8).
3. a kind of electric automobile heat-pump air-conditioning system according to claim 1, it is characterised in that: when the air-conditioning system is
When heating mode, the first port of the four-way reversing valve (3) is connect with the 4th port, and the second of the four-way reversing valve (3)
Port is connect with third port, and the import of the defrost solenoid valve (8) is connect with the second outlet of defrost solenoid valve (8).
4. a kind of electric automobile heat-pump air-conditioning system according to claim 1, it is characterised in that: when the air-conditioning system is
When defrost pattern, the first port of the four-way reversing valve (3) is connect with the 4th port, and the second of the four-way reversing valve (3)
Port is connect with third port, and the import of the defrost solenoid valve (8) is connect with the first outlet of defrost solenoid valve (8).
5. a kind of electric automobile heat-pump air-conditioning system according to claim 1, it is characterised in that: it further include regenerator (9),
Include in the regenerator (9), the first heat exchanger channels (901) and the second heat exchanger channels (902), first heat exchanger channels
(901) it is connected between expansion valve (5) and outdoor heat exchanger (6), second heat exchanger channels (902) are connected to gas-liquid separator
(2) between the third port of four-way reversing valve (3).
Priority Applications (1)
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CN201920238016.4U CN209726563U (en) | 2019-02-25 | 2019-02-25 | A kind of electric automobile heat-pump air-conditioning system |
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CN201920238016.4U CN209726563U (en) | 2019-02-25 | 2019-02-25 | A kind of electric automobile heat-pump air-conditioning system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109737635A (en) * | 2019-02-25 | 2019-05-10 | 东风汽车集团有限公司 | A kind of electric automobile heat-pump air-conditioning system |
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2019
- 2019-02-25 CN CN201920238016.4U patent/CN209726563U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109737635A (en) * | 2019-02-25 | 2019-05-10 | 东风汽车集团有限公司 | A kind of electric automobile heat-pump air-conditioning system |
CN109737635B (en) * | 2019-02-25 | 2024-04-16 | 东风汽车集团有限公司 | Heat pump air conditioning system of electric automobile |
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