CN205615302U - Passenger car heat pump air conditioning system - Google Patents
Passenger car heat pump air conditioning system Download PDFInfo
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- CN205615302U CN205615302U CN201620374011.0U CN201620374011U CN205615302U CN 205615302 U CN205615302 U CN 205615302U CN 201620374011 U CN201620374011 U CN 201620374011U CN 205615302 U CN205615302 U CN 205615302U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses passenger car heat pump air conditioning system, by the different heat exchanger of three structure: outside heat exchanger, first inside heat exchanger, the inside heat exchanger of second and one -way stop valve, oil separator, four -way reversing valve, first, second, two three -way valves of third, the coaxitron, throttling arrangement and connecting line constitution air conditioner major loop, throttling arrangement includes the first and second nozzle stub choke valves. In addition, increased oil separator and solved the not good problem of compressor oil return under the low temperature in the air conditioner major loop, set up the coaxitron and promote the heat transfer ability and be equipped with and increase enthalpy import, can solve under low temperature environment that refrigerant flow distribution is uneven, the drainage not not freely, the problem of frosting easily, can realize heat pump system freely switching in the refrigeration and between heating the operating mode, reduced circulation and control circuit and spare part quantity, saved space and practice thrift the cost, can be for providing comfortable driving space in the car, suitable electricelectric moves and thoughtlessly moves the new energy automobile use.
Description
Technical field
This utility model relates to design and the manufacturing technology field of pure electronic and mixed dynamic new-energy automotive air-conditioning system, specifically
Ground is said, relates to the design of heat pump type air conditioning system and manufacture that passenger car uses, be for pure electronic and mixed move new-energy automobile heat,
The heat pump type air conditioning system freezing, defrosting, use except mist.
Background technology
Along with the development of auto industry, the efficiency of automobile engine is more and more higher；Use engine exhaust heat in the winter time
Situation about warming oneself in realizing car is fewer and feweri.Meanwhile, the pure electronic and mixed dynamic new-energy automobile of new-energy automobile is quick
Development, new-energy automobile is particular about flying power, and air conditioning for automobiles power consumption is many and flying power is contradiction, and present automobile
Air-conditioning self must solve the problem of heating, and therefore, the standard that automotive air-conditioning system is energy-saving and cost-reducing is proposed more by present people
High requirement.
At present new-energy automobile solves the way of heating under worst cold case and deficiency is: (1) utilizes traditional air conditioner to install
Electrical heating PTC realize heat or utilize water heating PTC circulation system water after by heater cores realize heat, this is not only
Energy consumption is high, system complex, and affects the course continuation mileage of car load.(2) current heat pump circulating system huge structure, Energy Efficiency Ratio
Low, the easy frosting of outdoor heat exchanger at low ambient temperatures, heat pump wants frequent defrost, make the COP of system low and impact by bus
Comfortableness.(3) owing to system not having oil eliminator, under low-temperature heating operating mode, compressor lubrication is easily caused oil circulation not
Freely, cause compressor reliability difference and be easily damaged.(4) use the throttling arrangement of one-way flow to increase and there is cutoff function
Parts and for the branch road of cold-producing medium reverse flow, this makes the connection of air conditioning system increasingly complex, cold-producing medium leakage probability
Increase.(5) it is respectively mounted device for drying and filtering and gas-liquid separator can make the parts of air conditioning system increase a system, makes knot
Structure is huge and cost remains high.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of passenger car heat pump type air conditioning system, it
There is under low-temperature heating operating mode high energy efficiency ratio (COP), outdoor heat exchanger is difficult to frosting, the parts of air conditioning system are less, can
Save installing space；The comfortableness taken can be improved.
For achieving the above object, this utility model have employed techniques below scheme.
A kind of passenger car heat pump type air conditioning system, containing compressor, air-conditioning major loop and throttling arrangement, it is characterised in that institute
State air-conditioning major loop include external heat exchanger, the first internal exchanger, the second internal exchanger, unidirectional stop valve, oil eliminator,
Four-way change-over valve, the first two-position three-way valve, the second two-position three-way valve, the 3rd two-position three-way valve, coaxitron, throttling arrangement and company thereof
Adapter road；Described throttling arrangement includes the first short-tube throttle valve and the second short-tube throttle valve；Institute is passed through in one end of described compressor
State unidirectional stop valve, oil eliminator, four-way change-over valve respectively with described external heat exchanger and with described 3rd two-position three-way valve
Connect: be directly connected with described second internal exchanger by described 3rd two-position three-way valve, by described 3rd two-bit triplet
Valve is reconnected described second two-position three-way valve and is connected with described first internal exchanger by described second two-position three-way valve；Institute
State and can be connected by described second two-position three-way valve between the first internal exchanger with described second internal exchanger, described
Indoor ptc heater it is provided with by two internal exchangers；The other end of described first internal exchanger is by described the first two three
Logical valve Hou mono-tunnel is connected with the coaxitron containing the second short-tube throttle valve, and another road can be by described increasing enthalpy import and described pressure
Contracting machine connects；The other end of described coaxitron is connected with described external heat exchanger by described first short-tube throttle valve；Outside described
Portion's heat exchanger is connected with described compressor and described oil eliminator respectively by the gas-liquid separator of band dry filter function.
Further, described oil eliminator is connected on compressor exhaust pipe, and its spill port is connected with the air entry of compressor.
Further, volume is little, lightweight, have two-way joint for described first short-tube throttle valve and the employing of the second short-tube throttle valve
The short-tube throttle valve of stream function.
Further, the gas-liquid separator of described band dry filter function is arranged at the air inlet of described compressor.
Further, described coaxitron is made up of with outer tube inner tube, and the gas-liquid two-phase coolant after throttling flows in inner tube
Dynamic, and between inner and outer pipes, the high-pressure liquid phase coolant of flowing carries out heat exchange.
Further, described second short-tube throttle valve has one end can be connected with described compressor by increasing enthalpy import.
Optionally, described external heat exchanger uses sheet string type external heat exchanger.
Optionally, described first internal exchanger and the second internal exchanger use parallel flow type internal exchanger or pipe
Chip internal exchanger.
The good effect of this utility model passenger car heat pump type air conditioning system is:
(1) use the external heat exchanger of the sheet string type aiming at heat pump exploitation, coolant stream can be solved at low ambient temperatures
Dynamic skewness, impeded drainage, the problem of easy frosting.
(2) use the short-tube throttle valve replacement expansion valve that volume is little, lightweight, have bidirectional throttle function, heat can be realized
Pumping system freely switching under refrigeration with heating condition, effectively instead of other heat pump type air conditioning systems at present and uses two groups or two
Group, with the solenoid structure combined with common single ported thermostatic expansion valve, decreases circulation and controls loop and amount of parts, joint
Save space is the most cost-effective.
(3) substitute traditional device for drying and filtering and gas-liquid separator with the gas-liquid separator of band dry filter function, make heat
Parts and the joint quantity of pump air conditioner system significantly reduce, and improve the sealing of air conditioning system, more energy-conservation and environmental protection.
(4) HVAC assembly is internal uses two heat exchangers and a ptc heater, and heat exchange unit is by the first internal heat
Device, the second internal exchanger and indoor ptc heater composition；Heat exchange system is participated individually in by the first internal exchanger under cooling condition
Cold；It is cascaded by the first internal exchanger and the second internal exchanger under heating condition and jointly participates in heat exchange, it is achieved that
Under worst cold case, system heat balance is stable, and under the low temperature environment of pole, indoor ptc heater also can be got involved and participate in heat exchange, further
Heat or defrosting effect in improve car, compensate for the defect that conventional heat pump system heating performance is not enough.
(5) rational in infrastructure, the pure electronic and mixed new-energy automobile that moves can be suitable for make for providing comfortable riding space in car
With.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model passenger car heat pump type air conditioning system.
Fig. 2 is the refrigerative circle system schematic diagram of this utility model passenger car heat pump type air conditioning system.
Fig. 3 be this utility model passenger car heat pump type air conditioning system heat cyclic process schematic diagram.
Label in figure is respectively as follows:
1, compressor；101, enthalpy import is increased；
2, unidirectional stop valve；3, oil eliminator；
4, four-way change-over valve；401, four-way change-over valve import；
402, four-way change-over valve first is imported and exported；403, four-way change-over valve second is imported and exported；
404, four-way change-over valve outlet；5, external heat exchanger；
6, the first short-tube throttle valve；601, the first short-tube throttle valve first is imported and exported；
602, the first short-tube throttle valve second is imported and exported；7, coaxitron；
8, the first two-position three-way valve；801, the first two-position three-way valve first is imported and exported；
802, the first two-position three-way valve second is imported and exported；803, the first two-position three-way valve the 3rd is imported and exported；
9, the second short-tube throttle valve；10, the first internal exchanger；
11, the second internal exchanger；12, indoor ptc heater；
13, the second two-position three-way valve；1301, the second two-position three-way valve first is imported and exported；
1302, the second two-position three-way valve second is imported and exported；1303, the second two-position three-way valve the 3rd is imported and exported；
14, the 3rd two-position three-way valve；1401, the 3rd two-position three-way valve first is imported and exported；
1402, the 3rd two-position three-way valve second is imported and exported；1403, the 3rd two-position three-way valve the 3rd is imported and exported；
15, the gas-liquid separator of band dry filter function.
Detailed description of the invention
The detailed description of the invention of this utility model passenger car heat pump type air conditioning system is further illustrated below in conjunction with accompanying drawing, but
It it is noted that enforcement of the present utility model is not limited to following embodiment.
See Fig. 1.A kind of passenger car heat pump type air conditioning system, containing compressor 1, unidirectional stop valve 2, oil eliminator 3, four-way
Reversal valve 4, external heat exchanger the 5, first short-tube throttle valve 6, coaxitron the 7, first two-position three-way valve the 8, second short-tube throttle valve 9,
First internal exchanger the 10, second internal exchanger 11, indoor ptc heater the 12, second two-position three-way valve the 13, the 3rd two three
Logical valve 14 and the gas-liquid separator 15 of band dry filter function.
By described unidirectional stop valve 2, oil eliminator 3, four-way change-over valve 4, sheet string type external heat exchanger 5, coaxitron 7,
First two-position three-way valve the 8, second two-position three-way valve the 13, the 3rd two-position three-way valve 14, parallel flow type internal exchanger 10, pipe type
Internal exchanger 11, throttling arrangement and connecting line thereof constitute air-conditioning major loop.Described throttling arrangement includes the first short-tube restrictor
Valve 6 and the second short-tube throttle valve 9.In enforcement, described external heat exchanger 5 uses sheet string type external heat exchanger；Described first is internal
Heat exchanger 10 and the second internal exchanger 11 use parallel flow type or pipe type internal exchanger.
By one end of described compressor 1 by described unidirectional stop valve 2, oil eliminator 3, four-way change-over valve 4 respectively with adopt
Sheet string type external heat exchanger 5 and be connected with described 3rd two-position three-way valve 14: by described 3rd two-position three-way valve 14
Directly it is connected with pipe type the second internal exchanger 11 used, reconnects described second by described 3rd two-position three-way valve 14
Two-position three-way valve 13 is also connected with parallel flow type the first internal exchanger 10 used by described second two-position three-way valve 13.Institute
State and can be connected by described second two-position three-way valve 13 between the first internal exchanger 10 with described second internal exchanger 11.?
Described second internal exchanger 11 is other arranges indoor ptc heater 12.Institute is passed through in the other end of described first internal exchanger 10
State the first two-position three-way valve 8 Hou mono-tunnel and be connected (described second short-tube restrictor with the coaxitron 7 containing the second short-tube throttle valve 9
One end of valve 9 can be connected with described compressor 1 by increasing enthalpy import 101), separately lead up to described increasing enthalpy import 101 with described
Compressor 1 connects.The other end of described coaxitron 7 is connected with described external heat exchanger 5 by described first short-tube throttle valve 6；
Described external heat exchanger 5 is divided with described compressor 1 and described oil respectively by the gas-liquid separator 15 of band dry filter function
Connect from device 3.
In enforcement, described oil eliminator 3 should be connected on the exhaustor of compressor 1, by the spill port of oil eliminator 3 with
The air entry of compressor 1 connects.So, under low-temperature heating operating mode, it is effective to ensure that the smooth and easy circulation of compressor lubricant oil,
Excessive discharge temperature can be solved and cause the flimsy problem of compressor 1, improve the reliability of compressor 1.
In enforcement, described first short-tube throttle valve 6 and the second short-tube throttle valve 9 can use that volume is little, lightweight, it is double to have
To the short-tube throttle valve of throttling function.So, heat pump freely switching under refrigeration with heating condition can be realized, effectively replace
Generation other heat pump type air conditioning systems at present use the structure that two groups or more electromagnetic valve is combined with common single ported thermostatic expansion valve, energy
Reduce circulation and control loop and amount of parts, saving the installing space of air-conditioning cost-effective.
In enforcement, the gas-liquid separator 15 of described band dry filter function should be arranged on the air inlet of described compressor 1
Place.The gas-liquid separator 15 of described band dry filter function can by the function of traditional drying filter and gas-liquid separator effectively
Combine, make the parts of heat pump type air conditioning system and joint quantity significantly reduce, improve the sealing of air conditioning system.
In enforcement, described coaxitron 7 is made up of with outer tube inner tube, and the gas-liquid two-phase coolant after throttling is in inner tube
Flowing, and between inner and outer pipes, the high-pressure liquid phase coolant of flowing carries out heat exchange.Coaxitron 7 is used to substitute in traditional air-conditioning system
Economizer can reduce weight and the cost of heat pump.
In enforcement, at the air entry of compressor 1, arrange one increase enthalpy import 101, in the work that outdoor environment temperature is the lowest
Under condition, air injection enthalpy-increasing system can be started by increasing enthalpy import 101.
The refrigerative circle system of this utility model passenger car heat pump type air conditioning system is (seeing Fig. 2):
The four-way change-over valve import 401 of four-way change-over valve 4, four-way change-over valve first are imported and exported 402, four-way change-over valve
Two import and export 403, four-way change-over valve outlet 404 conducting, import and export first two-position three-way valve first of the first two-position three-way valve 8
801, the first two-position three-way valve second is imported and exported second two-position three-way valve second of the 802, second two-position three-way valve 13 and is imported and exported
1302, the 3rd two-position three-way valve second of the second two-position three-way valve the 3rd import and export 1303 and the 3rd two-position three-way valve 14 passes in and out
Mouth the 1402, the 3rd two-position three-way valve the 3rd imports and exports 1403 conductings.
The cold-producing medium of High Temperature High Pressure is discharged by compressor 1 air vent, enters four-way change through unidirectional stop valve 2, oil eliminator 3
To the four-way change-over valve import 401 of valve 4, four-way change-over valve second import and export 403 and be discharged into external heat exchanger 5, with the external world
Air is condensed into the liquid phase state of high pressure low temperature after carrying out heat exchange；Then 601 warps are imported and exported through the first short-tube throttle valve first
The cold-producing medium becoming low-temp low-pressure gas-liquid two-phase after first short-tube throttle valve 6 throttling is imported and exported through the first short-tube throttle valve second
602 discharge, and import and export the 801, first two-position three-way valve second by coaxitron the 7, first two-position three-way valve first subsequently and import and export
802 enter the first internal exchanger 10 carries out heat exchange with air in car, becomes the superheated vapor phase cold-producing medium of low-temp low-pressure；Then
Import and export the 1302, second two-position three-way valve the 3rd through the second two-position three-way valve second and import and export the 1303, the 3rd two-position three-way valve the
Two import and export that the 1402, the 3rd two-position three-way valves the 3rd import and export 1403, four-way change-over valve first imports and exports 402, four-way change-over valve
Outlet 404, the gas-liquid separator 15 of last band dry filter function enters compressor 1 air entry, completes a kind of refrigeration cycle.
The cyclic process that heats of this utility model passenger car heat pump type air conditioning system is (seeing Fig. 3):
Heating starts the automatically controlled automatic control system of air-conditioning while opening: commutated by the four-way of four-way change-over valve 4
Valve import 401, four-way change-over valve first import and export 402, four-way change-over valve second imports and exports 403, four-way change-over valve outlet 404 is led
Logical, first two-position three-way valve first of the first two-position three-way valve 8 is imported and exported the 801, first two-position three-way valve second and imports and exports
802, second two-position three-way valve first of the second two-position three-way valve 13 is imported and exported the 1301, second two-position three-way valve second and is imported and exported
1302 and the 3rd the 3rd two-position three-way valve first of two-position three-way valve 14 import and export the 1401, the 3rd two-position three-way valve second and pass in and out
First two-position three-way valve the 3rd (also should be imported and exported 803 conductings) by mouth 1402 conducting under the low temperature condition of pole.
The cold-producing medium of High Temperature High Pressure is discharged by compressor 1 air vent, enters four-way change through unidirectional stop valve 2, oil eliminator 3
To the four-way change-over valve import 401 of valve 4, four-way change-over valve first import and export 402 discharges through the 3rd two-position three-way valve the 3rd
Import and export the 1403, the 3rd two-position three-way valve first and import and export 1401 entrance the second internal exchangers 11, then through the second two-bit triplet
Valve first is imported and exported the 1301, second two-position three-way valve second and is imported and exported 1302 entrance and be cascaded with the second internal exchanger 11
The first internal exchanger 10, the cold-producing medium of High Temperature High Pressure condenses after in two internal exchangers and car, air carries out heat exchange
For the liquid phase state of high pressure low temperature, then through the first two-position three-way valve second import and export 802 and first two-position three-way valve first pass in and out
Mouthfuls 801, the runner between coaxitron 7 inner tube and outer tube imports and exports 602 entrance the first short tubes joints through the first short-tube throttle valve second
Stream valve 6, reducing pressure by regulating flow is that the cold-producing medium of low-temp low-pressure gas-liquid two-phase imports and exports 601 discharges through the first short-tube throttle valve first, with
Rear entrance external heat exchanger 5 is evaporated to the superheated vapor phase cold-producing medium of low-temp low-pressure after carrying out heat exchange with outside air, then through four
Logical reversal valve second imports and exports 403 and four-way change-over valve outlet 404, and the gas-liquid separator 15 of last band dry filter function enters
Enter compressor 1 air entry, complete one and heat circulation.
This heats cyclic process and uses the sheet string type external heat exchanger 5 aiming at heat pump exploitation, thus it is suitable to have draining
Freely, the separatory feature such as uniformly, the heat exchange efficiency of system can be effectively improved；Two internal exchanger the first internal exchangers 10
It is together in series with the second internal exchanger 11 and jointly participates in heat exchange, it is achieved that the thermal balance of air conditioning system is steady under worst cold case
Fixed, in limited space, considerably increase the heating performance of internal exchanger, improve the Energy Efficiency Ratio (COP) of air conditioning system,
Compensate for the defect that conventional heat pump system heating performance is not enough.
Under low-temperature heating operating mode, compressor lubricant oil is discharged through compressor 1 together with cold-producing medium, through unidirectional stop valve
2 enter oil eliminator 3, cold-producing medium and small part lubricating oil discharges through the outlet of oil eliminator 3, and major part lubricating oil can divide through oil
Spill port from device 3 returns the suction nozzle of compressor 1 and enters compressor 1 together with cold-producing medium, if compressor 1 is with spill port,
Lubricating oil then can be entered compressor 1 by compressor spill port.The addition of described oil eliminator 3 ensure that moistens under low-temperature heating operating mode
The smooth and easy circulation of lubricating oil, when solving low-temperature heating operating mode, compressor 1 excessive discharge temperature makes compressor 1 be easily damaged, reliably
Property difference problem.
Additionally, use, volume is little, lightweight, have the first short-tube throttle valve 6 of bidirectional throttle function, can make air conditioning system
Switching freely under refrigeration, heating condition, loop and amount of parts reduce, and the setting of system is the most flexible, can save installation
Space reduction cost.
Under extremely low temperature heating condition, the first two-position three-way valve the 3rd is imported and exported 803 and is automatically turned on, by the first internal heat
Device 10 cold-producing medium out is divided into two parts, and a part is imported and exported 801 through the first two-position three-way valve first and is directly entered coaxially
Passage between pipe 7 inner tube and outer tube, another part is dropped by the second short-tube throttle valve 9 throttling for the cold-producing medium of air injection enthalpy-increasing
The passage of coaxitron 7 internal tube is entered back into after pressure；Two parts cold-producing medium carries out heat exchange in coaxitron 7, through throttling fall
After pressure, the refrigerant temperature for air injection enthalpy-increasing raises enthalpy increase, is directly entered the increasing enthalpy import 101 of compressor 1, another portion
Point cold-producing medium is through the first short-tube throttle valve 6 reducing pressure by regulating flow, then is dried by four-way change-over valve 4, band after external heat exchanger 5 is evaporated
The gas-liquid separator 15 of filtering function enters the air entry of compressor 1, finally together with entering the cold-producing medium increasing enthalpy import 101 by
Discharged by air vent after compressor 1 compression, enter next cycle of operation.
Due to the intervention having air injection enthalpy-increasing to circulate, through the flow of second internal exchanger the 11, first internal exchanger 10
For through external heat exchanger 5 flow and for air injection enthalpy-increasing refrigerant flow sum, adding refrigerant mass fluxes, enhance
The heat exchange efficiency of two internal exchangers, improves heat exchange amount, makes air conditioning system Energy Efficiency Ratio (COP) be further improved.
Compact conformation, the coaxitron 7 of light weight is used to substitute the economizer in traditional air injection enthalpy-increasing system or flash evaporation,
Can effectively reduce weight and the cost of heat pump.Additionally, use indoor ptc heater 12 can effectively promote crew module's internal ring
The comfortableness in border.
The defrosting cyclic process of sheet string type external heat exchanger 5 is: starts heat pump in the winter time under the low temperature environment of pole and heats
During heating, the external heat exchanger 5 of sheet string type is it sometimes appear that the phenomenon of a small amount of frosting.Therefore, can be at external heat exchanger 5 outer surface
Refrigerant side import and export, air side be respectively provided with pressure or temperature sensor, when obtain pressure or temperature parameter reach to set
During fixed defrosting mode unlatching value, electric-control system can automatically control four-way change-over valve the 4, first two-position three-way valve 8, the second two three
The import and export of logical valve the 13, the 3rd two-position three-way valve 14 are in the conduction state and be kind of refrigeration cycle by system call interception, detailed recycle stream
Journey is shown in and is described above, and now utilizes the cold-producing medium of the high-temperature high-pressure state flowing through external heat exchanger 5 to defrost, meanwhile, outside
Condenser fan quits work, indoor ptc heater is connected, to ensure speed and the comfortableness of occupant's indoor environment of defrosting.
Indoor dehumidification cyclic process is: season in spring and autumn, and vehicle humidity is excessive when needing dehumidifying, can open kind of refrigeration cycle system
System, carries out cool-down dehumidification by the first internal exchanger 10, then heats up to ensure crew module's internal ring by indoor ptc heater 12
The comfortableness in border.
Claims (8)
1. a passenger car heat pump type air conditioning system, containing compressor (1), air-conditioning major loop and throttling arrangement, it is characterised in that institute
State air-conditioning major loop and include external heat exchanger (5), the first internal exchanger (10), the second internal exchanger (11), unidirectional cutoff
Valve (2), oil eliminator (3), four-way change-over valve (4), the first two-position three-way valve (8), the second two-position three-way valve (13), the 3rd two
Three-way valve (14), coaxitron (7), throttling arrangement and connecting line thereof；Described throttling arrangement include the first short-tube throttle valve (6) and
Second short-tube throttle valve (9)；One end of described compressor (1) is changed by described unidirectional stop valve (2), oil eliminator (3), four-way
It is connected with described external heat exchanger (5) and with described 3rd two-position three-way valve (14) respectively to valve (4): by described 3rd liang
Position three-way valve (14) is directly connected with described second internal exchanger (11), is reconnected by described 3rd two-position three-way valve (14)
Described second two-position three-way valve (13) is also connected with described first internal exchanger (10) by described second two-position three-way valve (13)
Connect；Described second two-position three-way valve can be passed through between described first internal exchanger (10) and described second internal exchanger (11)
(13) connection, is provided with indoor ptc heater (12) on described second internal exchanger (11) side；Described first internal exchanger
(10) other end is by described first two-position three-way valve (8) Hou mono-tunnel and the coaxitron containing the second short-tube throttle valve (9)
(7) connecting, another road can connect with described compressor (1) by increasing enthalpy import (101)；The other end of described coaxitron (7) leads to
Cross described first short-tube throttle valve (6) to be connected with described external heat exchanger (5)；Described external heat exchanger (5) is dried by band
The gas-liquid separator (15) of filter function is connected with described compressor (1) and described oil eliminator (3) respectively.
Passenger car heat pump type air conditioning system the most according to claim 1, it is characterised in that described oil eliminator (3) is connected to
On compressor (1) exhaustor, its spill port is connected with the air entry of compressor (1).
Passenger car heat pump type air conditioning system the most according to claim 1, it is characterised in that described first short-tube throttle valve (6)
Volume is little, lightweight, have the short-tube throttle valve of bidirectional throttle function with the second short-tube throttle valve (9) employing.
Passenger car heat pump type air conditioning system the most according to claim 1, it is characterised in that the gas of described band dry filter function
Liquid/gas separator (15) is arranged at the air inlet of described compressor (1).
Passenger car heat pump type air conditioning system the most according to claim 1, it is characterised in that described coaxitron (7) by inner tube with
Outer tube is constituted, and the gas-liquid two-phase coolant after throttling is at interior Bottomhole pressure, and the high-pressure liquid phase of flowing is cold between inner and outer pipes
Matchmaker carries out heat exchange.
Passenger car heat pump type air conditioning system the most according to claim 1, it is characterised in that described second short-tube throttle valve (9)
There is one end can be connected with described compressor (1) by increasing enthalpy import (101).
Passenger car heat pump type air conditioning system the most according to claim 1, it is characterised in that described external heat exchanger (5) uses
Sheet string type external heat exchanger.
Passenger car heat pump type air conditioning system the most according to claim 1, it is characterised in that described first internal exchanger (10)
Parallel flow type internal exchanger or pipe type internal exchanger is used with the second internal exchanger (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620374011.0U CN205615302U (en) | 2016-04-28 | 2016-04-28 | Passenger car heat pump air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620374011.0U CN205615302U (en) | 2016-04-28 | 2016-04-28 | Passenger car heat pump air conditioning system |
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| CN205615302U true CN205615302U (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620374011.0U Active CN205615302U (en) | 2016-04-28 | 2016-04-28 | Passenger car heat pump air conditioning system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107415635A (en) * | 2017-08-07 | 2017-12-01 | 珠海格力电器股份有限公司 | Automobile, heat pump air-conditioning system, automobile heat pump air-conditioning assembly and control method thereof |
| CN107791789A (en) * | 2017-11-02 | 2018-03-13 | 珠海格力电器股份有限公司 | Pure electric bus heat pump air-conditioning system and operation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107415635A (en) * | 2017-08-07 | 2017-12-01 | 珠海格力电器股份有限公司 | Automobile, heat pump air-conditioning system, automobile heat pump air-conditioning assembly and control method thereof |
| CN107791789A (en) * | 2017-11-02 | 2018-03-13 | 珠海格力电器股份有限公司 | Pure electric bus heat pump air-conditioning system and operation method |
| CN108168139A (en) * | 2018-03-19 | 2018-06-15 | 吉林大学 | A kind of gas compensating type electric automobile heat-pump air-conditioning system |
| CN108870573A (en) * | 2018-07-16 | 2018-11-23 | 珠海格力电器股份有限公司 | Refrigeration unit dehumidification control method and device, refrigeration unit main board and storage medium |
| CN108870573B (en) * | 2018-07-16 | 2020-12-08 | 珠海格力电器股份有限公司 | Refrigeration unit dehumidification control method and device, refrigeration unit main board and storage medium |
| CN109080409A (en) * | 2018-09-29 | 2018-12-25 | 重庆超力高科技股份有限公司 | A kind of heat pump system, air-conditioning and automobile |
| CN109080409B (en) * | 2018-09-29 | 2024-04-09 | 重庆超力电器有限责任公司 | Heat pump system, air conditioner and car |
| CN109624650A (en) * | 2018-12-12 | 2019-04-16 | 上海加冷松芝汽车空调股份有限公司 | A kind of air conditioning system for vehicle |
| CN109624650B (en) * | 2018-12-12 | 2023-09-01 | 上海加冷松芝汽车空调股份有限公司 | Air conditioning system for vehicle |
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