CN205980092U - Heat pump air conditioning system and electric automobile - Google Patents
Heat pump air conditioning system and electric automobile Download PDFInfo
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- CN205980092U CN205980092U CN201620420812.6U CN201620420812U CN205980092U CN 205980092 U CN205980092 U CN 205980092U CN 201620420812 U CN201620420812 U CN 201620420812U CN 205980092 U CN205980092 U CN 205980092U
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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
Abstract
The utility model discloses a heat pump air conditioning system and electric automobile, wherein heat pump air conditioning system includes the compressor, indoor condenser, indoor evaporator, outdoor heat exchanger and expansion switch valve, the outlet selection nature ground of compressor feeds through or feeds through via the entry of the through -flow branch road of second with indoor condenser via the entry of first through -flow branch road with the expansion switch valve, indoor condenser's export and the entry of expansion switch valve intercommunication, the export of expansion switch valve and outdoor heat exchanger's entry intercommunication, outdoor heat exchanger's outlet selection nature ground is via the entry intercommunication of the through -flow branch road of third and compressor or via the entry intercommunication of throttle branch road with indoor evaporator, indoor evaporator's export and the entry of compressor intercommunication. From this, can reach and improve the heating efficiency, satisfy defrosting defogging laws and regulations, the effects such as installation of being convenient for.
Description
Technical field
This utility model is related to the field of air conditioning of electric automobile, in particular it relates to a kind of heat pump type air conditioning system and electronic vapour
Car.
Background technology
Electric automobile does not have orthodox car for the engine exhaust heat of heating it is impossible to provide heating reservoir.Therefore, electronic vapour
The air conditioning system of car itself must have the function of heating, that is, adopt heat pump type air conditioner system and/or electrical heating heat supply.
The application for a patent for invention of Publication No. CN102788397A discloses a kind of electric automobile heat-pump air-conditioning system.This heat
Although pump air conditioner system can use in all kinds of electric automobiles, this system uses two outdoor heat exchanger (outdoors
Condenser and an outdoor evaporator), lead to that front-end module windage is larger, system structure is more complicated, affect heating effect.
Utility model content
The purpose of this utility model is to provide a kind of heat pump type air conditioning system and electric automobile, is followed with solving no engine exhaust heat
The pure electric vehicle of loop systems or hybrid electric vehicle use that the automobile heat pump air-conditioning system heating efficiency of electric-only mode is low, Wu Faman
The problems such as sufficient defrosting-defogging laws and regulations requirement, installation are complicated.
To achieve these goals, according to of the present utility model in a first aspect, providing a kind of heat pump type air conditioning system, including pressure
Contracting machine, indoor condenser, indoor evaporator, outdoor heat exchanger and expansion switch valve, the egress selection ground warp of described compressor
Connected with the described entrance expanding switch valve by the first through-flow branch road or via the second through-flow branch road and described interior condenser
Entrance connects, and the outlet of described interior condenser is connected with the described entrance expanding switch valve, the described outlet expanding switch valve
Connect with the entrance of described outdoor heat exchanger, the egress selection of described outdoor heat exchanger ground via three-way flow branch road with described
The entrance of compressor is connected or is connected with the entrance of described indoor evaporator via throttling branch road, the outlet of described indoor evaporator
Connect with the entrance of described compressor.
Alternatively, described first through-flow branch road is provided with first switch valve, described second through-flow branch road is provided with
Two switch valves.
Alternatively, the outlet of described compressor is optionally through-flow with the described first through-flow branch road or second by three-way valve
Branch road connects.
Alternatively, described three-way flow branch road is provided with the 3rd switch valve, described throttling branch road is provided with expansion valve.
Alternatively, the outlet of described indoor evaporator is connected with the entrance of described compressor via check valve.
Alternatively, described heat pump type air conditioning system is applied to electric automobile, described three-way flow branch road is additionally provided with board-like
Heat exchanger, this plate type heat exchanger is simultaneously located in the electromotor cooling system of described electric automobile.
Alternatively, described three-way flow branch road is provided with the 3rd switch valve, the refrigerant inlet of described plate type heat exchanger
With the outlet of described outdoor heat exchanger, the entrance of the refrigerant outlet of described plate type heat exchanger and described 3rd switch valve is even
Logical.
Alternatively, described electromotor cooling system include connecting with described plate type heat exchanger with form loop motor, motor
Radiator and water pump.
Alternatively, described system also includes gas-liquid separator, the outlet of described indoor evaporator and described gas-liquid separator
Entrance connection, the outlet of described outdoor heat exchanger via the described second through-flow branch road and described gas-liquid separator entrance even
Logical, the outlet of described gas-liquid separator is connected with the entrance of described compressor.
Alternatively, described system also includes ptc heater, and this ptc heater flows through described interior condenser for heating
Wind.
Alternatively, described ptc heater is arranged on the described interior windward side of condenser or leeward side, and with described interior
Condenser is abreast arranged.
According to second aspect of the present utility model, provide a kind of electric automobile, carry including first aspect of the present utility model
For described heat pump type air conditioning system.
The heat pump type air conditioning system that this utility model provides, can achieve vapour in the case of not changing refrigerant cycle direction
Car air conditioning system is freezed and is heated, outdoor heat exchanger defrosting function, and can meet the demand of refrigeration and heating simultaneously.Change in outdoor
During hot device bypass defrosting, remain to meet in-car heating demand.Indoor condenser be arranged on compressor with expand switch valve it
Between one of two parallel branches on, that is, when freezing, wind is not passed through indoor condenser, and cold-producing medium is also not passed through indoor condenser institute
In branch road, the flow direction of wind flows only through indoor evaporator simultaneously；During heating, cold-producing medium is not passed through indoor evaporator, and cold-producing medium stream is through room
Inner condenser place branch road；Need simultaneously refrigeration and heating when can change as needed changes in temperature air door aperture can achieve difference go out
Wind demand.Further, since heat pump type air conditioning system of the present utility model is only with an outdoor heat exchanger, therefore, it is possible to reduce automobile
The windage of front-end module, solves the no pure electric vehicle of engine exhaust heat blood circulation or hybrid electric vehicle and uses electric-only mode
Automobile heat pump air-conditioning system heating efficiency low, the problems such as defrosting-defogging laws and regulations requirement cannot be met, install complicated, reduce
Energy consumption, simplied system structure, facilitate the effect of pipeline arrangement.It is simple that the heat pump type air conditioning system that this utility model provides has structure
Feature, be thus susceptible to produce in batches.
Other feature and advantage of the present utility model will be described in detail in subsequent specific embodiment part.
Brief description
Accompanying drawing is used to provide and further understands to of the present utility model, and constitutes a part for description, and following
Specific embodiment be used for together explaining this utility model, but do not constitute to restriction of the present utility model.In the accompanying drawings：
Fig. 1 is according to a kind of structural representation of the heat pump type air conditioning system of embodiment of the present utility model；
Fig. 2 is the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model；
Fig. 3 is the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model；
Fig. 4 is the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model；
Fig. 5 is the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model；
Fig. 6 is the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model；
Fig. 7 is the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model；
Fig. 8 is the overlooking the structure diagram of the expansion switch valve that this utility model preferred implementation provides；
Fig. 9 is the cross-sectional view crossed by along Fig. 8 center line AB-AB, and wherein, the first valve port and the second valve port are all located
In open mode；
Figure 10 is that the structure of facing along a visual angle of the expansion switch valve that this utility model preferred implementation provides is shown
It is intended to；
Figure 11 is the cross-sectional view crossed by along Fig. 8 center line AB-AB, and wherein, the first valve port is in open mode,
Second valve port is in closure state；
Figure 12 is the cross-sectional view crossed by along Fig. 8 center line AB-AB, and wherein, the first valve port is in closure state,
Second valve port is in open mode；
Figure 13 be the expansion switch valve that this utility model preferred implementation provides face structure along another visual angle
Schematic diagram；
Figure 14 is the cross-sectional view crossed by along Figure 13 center line AC-AC, and wherein, the first valve port is in open shape
State, the second valve port is in closure state；
Figure 15 is the first internal structure schematic diagram of the expansion switch valve that this utility model preferred implementation provides, its
In, the first valve port and the second valve port are in open mode；
Figure 16 is the partial enlarged drawing in A portion in Figure 15；
Figure 17 is the second internal structure schematic diagram of the expansion switch valve that this utility model preferred implementation provides, its
In, the first valve port is in open mode, and the second valve port is closed；
Figure 18 is the 3rd internal structure schematic diagram of the expansion switch valve that this utility model preferred implementation provides, its
In, the first valve port is closed, and the second valve port is in open mode.
Specific embodiment
Below in conjunction with accompanying drawing, specific embodiment of the present utility model is described in detail.It should be appreciated that herein
Described specific embodiment is merely to illustrate and explains this utility model, is not limited to this utility model.
In this utility model, in the case of illustrating on the contrary, the noun of locality such as " upper and lower, left and right " of use is generally
It is for the page of accompanying drawing, " upstream, downstream " is with respect to medium, e.g., for the flow direction of cold-producing medium
, specifically, the flow direction towards cold-producing medium is downstream, and the flow direction deviating from cold-producing medium is upstream, and " inside and outside " refers to phase
Answer the interior and outer of component outline.In addition, the arrow in Fig. 4 and Fig. 5 is oriented to the flow direction of cold-producing medium.
Additionally, in this utility model, electric automobile can include pure electric automobile, hybrid vehicle, fuel cell
Automobile.
Fig. 1 is according to a kind of structural representation of the heat pump type air conditioning system of embodiment of the present utility model.As Fig. 1 institute
Show, this system can include：HVAC (heating and ventilation and air-conditioning, Heating Ventilation and Air
Conditioning) assembly 600 and air door mechanism (not shown), wherein, air door mechanism can be used for conducting and leads to indoor evaporation
Device 602 and the air channel of indoor condenser 601.Additionally, system also includes compressor 604 and outdoor heat exchanger 605.Wherein, HVAC
Assembly 600 can include indoor condenser 601 and indoor evaporator 602.
As shown in figure 1, the egress selection ground of compressor 604 is via the first through-flow branch road and expansion the entering of switch valve 603
Mouthful connection or via the second through-flow branch road with interior condenser 601 entrance connect, the outlet of indoor condenser 601 with expand
Close the entrance connection of valve 603.Specifically, in one embodiment, the first through-flow branch road is provided with first switch valve 620,
Second switch valve 621 is provided with the second through-flow branch road, the outlet of first switch valve 620 is with the entrance expanding switch valve 603 even
Lead to, the outlet of second switch valve 621 is connected with the entrance of indoor condenser 601, the outlet of indoor condenser 601 switchs with expanding
The entrance connection of valve 603.Here, indoor condenser 601 is arranged on compressor 604 and expands in parallel two between switch valve 603
On one of individual branch road, according to the different working modes of system, can be by being opened and closed first switch valve 620 and second switch valve 621
Come whether control room inner condenser 601 participates in circulation.For example, when system carries out kind of refrigeration cycle, open first switch valve
620, close second switch valve 621, make cold-producing medium be not passed through indoor condenser 601, its specific mode of operation will be following detailed
Describe in detail bright.
Additionally, the outlet expanding switch valve 603 is connected with the entrance of outdoor heat exchanger 605, the outlet of outdoor heat exchanger 605
Optionally connect with the entrance of compressor 604 via three-way flow branch road or via throttling branch road and indoor evaporator 602
Entrance connects, and the outlet of indoor evaporator 602 is connected with the entrance of compressor 604.
Alternatively, the outlet of compressor 604 can also by three-way valve 622 optionally with the first through-flow branch road or the
Two through-flow branch road connections.Specifically, as shown in Fig. 2 the outlet of compressor 604 is connected with the import 622a of three-way valve 622, threeway
First outlet 622b of valve 622 is connected with the entrance expanding switch valve 603, and second outlet 622c of three-way valve 622 is cold with interior
The entrance connection of condenser 601, thus, by this three-way valve 622, can control cold-producing medium to selectively flow through the first through-flow branch road
Or the second through-flow branch road.
It should be noted that in this utility model, expanding switch valve is to have expansion valve function (also referred to as electricity simultaneously
Sub- expansion valve function) and switch valve function (also referred to as electromagnetic valve function) valve, can be regarded as being switch valve with swollen
Swollen valve integrated.Expand switch valve be internally formed through-flow runner and throttling runner, when expand switch valve as switch valve
During use, its internal through-flow runner conducting, now form through-flow branch road；When expansion switch valve uses as expansion valve, its
Internal throttling runner conducting, now forms throttling branch road.
In this utility model, the egress selection ground of outdoor heat exchanger 605 is via three-way flow branch road and compressor
Entrance connection or connect with the entrance of indoor evaporator 602 via throttling branch road, the outlet of indoor evaporator 602 and compressor
604 entrance connection.Specifically, as shown in figure 1, this heat pump type air conditioning system can also include the 3rd switch valve 610 and expansion valve
609, wherein, three-way flow branch road is provided with the 3rd switch valve 610, throttling branch road is provided with expansion valve 609, outdoor heat exchange
The outlet of device 605 connects to form three-way flow branch road via the 3rd switch valve 610 with the entrance of compressor 604, outdoor heat exchange
The outlet of device 605 is connected to form throttling branch road with the entrance of indoor evaporator 602 via expansion valve 609.When system is in height
When under warm refrigeration mode, expansion valve 609 turns on, and the 3rd switch valve 610 cuts out, and the outlet of outdoor heat exchanger 605 is via throttling
Road is connected with the entrance of indoor evaporator 602.When system is under low temperature heating pattern, the 3rd switch valve 610 turns on, and expands
Valve 609 cuts out, and the outlet of outdoor heat exchanger 605 is connected with the entrance of indoor evaporator 602 via three-way flow branch road.
Fig. 3 shows the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model.As Fig. 3
Shown, this heat pump type air conditioning system can also include gas-liquid separator 611 and check valve 615, wherein, the going out of indoor evaporator 602
Mouth is connected with the entrance of gas-liquid separator 611, and the outlet of gas-liquid separator 611 is connected with the entrance of compressor 604.So, make
Cryogen can first pass around gas-liquid separator 611 and carry out gas-liquid separation, and the gas isolated is back in compressor 604 again, from
And prevent liquid refrigerant from entering into compressor 604 and damaging compressor 604, such that it is able to extend the use longevity of compressor 604
Life, and improve the efficiency of whole heat pump type air conditioning system.Check valve 615 and gas-liquid separator are passed through in the outlet of indoor evaporator 602
611 entrance connection.Here, setting check valve 615 is to prevent system under low temperature heating pattern (described in detail below)
Cryogen is back to indoor evaporator 602, affects heating effect.
The heat pump type air conditioning system to describe this utility model offer below in detail by different works taking Fig. 3 to Fig. 5 as a example
Cyclic process under operation mode and principle.It should be appreciated that other embodiment (for example, the embodiment party shown in Fig. 1 and Fig. 2
Formula) under system circulation process and principle be similar to Fig. 3 to Fig. 5, just no longer repeat one by one herein.
Pattern one：High-temperature refrigeration pattern.System in this mode when, whole system forms the circulation of high-temperature refrigeration
System.As shown in figure 3, first, compressor 604 discharges the gas of High Temperature High Pressure through overcompression, and first switch valve 620 is opened, the
Two switch valves 621 cut out, and compressor 604 outlet is connected to expansion switch valve 603.Now, by air door mechanism control wind without
Cross indoor condenser 601, due to calm process, also no cold-producing medium passes through, therefore, heat will not be carried out in condenser 601 indoors
Exchange, this indoor condenser 601 is not involved in kind of refrigeration cycle.Compressor 604 exports and expands switch valve 603 and be connected, and now expands
Switch valve 603 switches valve action, is only used as runner and flows through, and now expands switch valve 603 and exports the still gas for High Temperature High Pressure.
Expand switch valve 603 to export and be connected with outdoor heat exchanger 605, outdoor heat exchanger 605 and outdoor air heat exchange, heat is dispersed into
In the air, outdoor heat exchanger 605 exports the liquid for middle temperature high pressure.Now, the 3rd switch valve 610 cuts out, outdoor heat exchanger 605
Outlet is connected with expansion valve 609, and expansion valve 609 plays throttling action as restricting element, and it exports as Low temperature low pressure liquid.Swollen
Swollen valve 609 aperture can give certain aperture according to the actual requirements, and this aperture can be according to being arranged on indoor evaporator 602
The pressure and temperature gathered data of the pressure-temperature sensor between outlet and the entrance of gas-liquid separator 611 calculates vaporizer
Export refrigerant superheat degree to adjust.Expansion valve 609 is exported and is connected with the entrance of indoor evaporator 602, and Low temperature low pressure liquid exists
It is evaporated in indoor evaporator 602 so that indoor evaporator 602 exports the gas for low-temp low-pressure.Indoor evaporator 602
Outlet is connected with the entrance of check valve 615, and the outlet of check valve 615 is connected with the entrance of gas-liquid separator 611, not being evaporated
Liquid pass through gas-liquid separator 611 separate, the gas of last low-temp low-pressure returns in compressor 604, is consequently formed one and follows
Ring.Now the flow direction of HVAC assembly 600 apoplexy flows only through indoor evaporator 602, the calm process of indoor condenser 601.
Pattern two：Low temperature heating pattern.System in this mode when, whole system forms low temperature heating circulation
System.As shown in figure 4, first, compressor 604 discharges the gas of High Temperature High Pressure through overcompression, and first switch valve 620 cuts out, the
Two switch valves 621 are opened, and the outlet of compressor 604 is connected with indoor condenser 601, and now, indoor condenser 601 has wind warp
Cross, the gas of High Temperature High Pressure is condensed so that indoor condenser 601 exports as middle temperature high pressure in condenser 601 indoors
Liquid.Indoor condenser 601 exports and expands switch valve 603 and be connected, and now expands the effect that switch valve 603 plays expansion valve, makees
Play throttling action for restricting element, it exports the liquid for low-temp low-pressure.Wherein, the aperture expanding switch valve 603 can root
Give certain aperture according to actual demand, this aperture can sense according to the pressure-temperature in the exit being arranged on compressor 604
The number of the temperature acquisition data (i.e. compressor exhaust temperature) of device is adjusting.Expand switch valve 603 to export and outdoor heat exchanger
605 entrance is connected, and outdoor heat exchanger 605 absorbs the heat of outdoor air, and outdoor heat exchanger 605 exports the gas for low-temp low-pressure
Body.Now, the 3rd switch valve 610 is opened, and expansion valve 609 cuts out, and cold-producing medium is directly entered gas-liquid without indoor evaporator 602
In separator 611, the liquid not being evaporated passes through gas-liquid separator 611 and separates, and the gas of last low-temp low-pressure returns to compressor
In 604, it is consequently formed a circulation.
Pattern three：Refrigeration and heating pattern simultaneously.System in this mode when, whole system formed a refrigeration and heating
Open cycle system simultaneously.As shown in figure 5, first, compressor 604 discharges the gas of High Temperature High Pressure, first switch valve through overcompression
620 closings, second switch valve 621 is opened, and the outlet of compressor 604 is connected with indoor condenser 601, and the gas of High Temperature High Pressure exists
Condensed in indoor condenser 601 so that indoor condenser 601 exports the liquid for middle temperature high pressure.Indoor condenser 601 goes out
Mouth is connected with expanding switch valve 603, now expands the effect that switch valve 603 plays expansion valve, plays throttling as restricting element and makees
With it exports as Low temperature low pressure liquid.Wherein, the aperture expanding switch valve 603 can give certain opening according to the actual requirements
Degree, this aperture (can be pressed according to the temperature acquisition data of the pressure-temperature sensor in the exit being arranged on compressor 604
Contracting machine delivery temperature) number adjusting.Expand switch valve 603 and export and be connected with outdoor heat exchanger 605, outdoor heat exchanger 605
Export the liquid for low-temp low-pressure, so that it is exported still by incomplete evaporation and keep Low temperature low pressure liquid state.Now, the 3rd open
Close valve 610 to close, expansion valve 609 is opened, and expansion valve 609 throttles once as restricting element again.Expansion valve 609 outlet and interior
Vaporizer 602 is connected, and the liquid of low-temp low-pressure is evaporated so that indoor evaporator 602 exports and is in vaporizer 602 indoors
The gas of low-temp low-pressure.Indoor evaporator 602 is connected with gas-liquid separator 605, and the liquid not being evaporated is passed through gas-liquid separation
Device 611 separates, and the gas of last low-temp low-pressure returns in compressor 604, is consequently formed a circulation.Now HVAC assembly 600
In wind simultaneously flow through indoor condenser 601 and indoor evaporator 602.
Pattern four：Outdoor heat exchanger defrosting mode.As shown in figure 3, first, it is high that compressor 604 discharges high temperature through overcompression
The gas of pressure, first switch valve 620 is opened, and second switch valve 621 cuts out, and indoor condenser 601 is not involved in circulating.Compressor
604 outlet is connected with expanding switch valve 603, now expands switch valve 603 switches valve action, is only used as runner and flows through, this
When expand switch valve 603 export still be High Temperature High Pressure gas.Expand switch valve 603 and export and be connected with outdoor heat exchanger 605, room
External heat exchanger 605 and outdoor air heat exchange, are dispersed in the air heat, outdoor heat exchanger 605 exports the liquid for middle temperature high pressure
Body.Now, the 3rd switch valve 610 cuts out, and expansion valve 609 is opened, and expansion valve 609 plays throttling action as restricting element, its
Export as Low temperature low pressure liquid.Expansion valve 609 aperture can give certain aperture according to the actual requirements, and this aperture can basis
It is arranged on the pressure of pressure-temperature sensor and the temperature between the outlet of indoor evaporator 602 and the entrance of gas-liquid separator 611
Degree gathered data calculates Refrigerant Superheat at Evaporator Outlet to adjust.Expansion valve 609 is exported and is connected with indoor evaporator 602,
Indoor evaporator 602 exports the gas for low-temp low-pressure.Indoor evaporator 602 is connected with gas-liquid separator 611, not being evaporated
Liquid pass through gas-liquid separator 611 separate, the gas of last low-temp low-pressure returns in compressor 604, is consequently formed one and follows
Ring, now HVAC assembly can not blow in.
In sum, the heat pump type air conditioning system that this utility model provides, in the case of not changing refrigerant cycle direction
Can achieve automotive air-conditioning system refrigeration and heat, outdoor heat exchanger defrosting function, and the need of refrigeration and heating simultaneously can be met
Ask.During outdoor heat exchanger bypass defrosting, remain to meet in-car heating demand.Further, since heat pump of the present utility model
Air conditioning system, only with an outdoor heat exchanger, therefore, it is possible to reduce the windage of front-end module, solves no more than electromotor
The pure electric vehicle of heat circulating system or hybrid electric vehicle use the automobile heat pump air-conditioning system heating efficiency of electric-only mode low, no
The problems such as method meets defrosting-defogging laws and regulations requirement, installs complicated, reduces energy consumption, simplied system structure, facilitates pipeline to arrange
Effect.Additionally, by the setting of the first through-flow branch road and the second through-flow branch road, whether can participate in making with control room inner condenser
During cold or heating circulates, the service life of indoor condenser can be improved, improve the work efficiency of system.This utility model provides
Heat pump type air conditioning system there is the simple feature of structure, be thus susceptible to produce in batches.
Under low temperature heating pattern and simultaneously refrigeration and heating pattern, in order to improve heating ability it is preferable that as Fig. 6 institute
Show, whole heat pump type air conditioning system is provided with plate type heat exchanger 612, this plate type heat exchanger 612 is also disposed in electronic simultaneously
In the electromotor cooling system of automobile.As such, it is possible to utilize the waste heat of electromotor cooling system to air conditioning system refrigerant heat, thus
Suction temperature and the inspiration capacity of compressor 604 can be improved.Plate type heat exchanger 612 can arbitrarily be arranged on the 3rd switch valve 610
Upstream or downstream.In the embodiment that is shown in figure 6, plate type heat exchanger 612 is arranged on the upstream of the 3rd switch valve 610, i.e. plate
The refrigerant inlet 612a of formula heat exchanger 612 and the outlet of outdoor heat exchanger 605, the cold-producing medium of plate type heat exchanger 612 goes out
Mouth 612b is connected with the entrance of the 3rd switch valve 610.(not shown) in another embodiment, plate type heat exchanger 612 is arranged
Downstream in the 3rd switch valve 610, i.e. the outlet of the refrigerant inlet 612a of plate type heat exchanger 612 and the 3rd switch valve 610 is even
Logical, the refrigerant outlet 612b of plate type heat exchanger 612 is connected with the entrance of gas-liquid separator 611.
Meanwhile, plate type heat exchanger 612 is simultaneously located in electromotor cooling system.As shown in fig. 6, electromotor cooling system
Motor, motor radiator 613 and the water pump 614 to form loop of connecting with plate type heat exchanger 612 can be included.So, freeze
Agent can carry out heat exchange by plate type heat exchanger 612 with the coolant in electromotor cooling system.Through the 3rd switch valve 610
Afterwards, cold-producing medium is the gas of low-temp low-pressure, and is back in compressor 604.
In the heat pump type air conditioning system that this utility model provides, the various refrigeration such as R134a, R410a, R32, R290 can be used
Agent, preferentially selects high temperature cold-producing medium.
Fig. 7 is the structural representation of the heat pump type air conditioning system according to another embodiment of the present utility model.As Fig. 7 institute
Show, HVAC assembly 600 can also include ptc heater 619, this ptc heater 619 is used for flowing through indoor condenser 601
Wind is heated.
In this utility model, ptc heater 619 can be high pressure PTC (being driven by car load high-tension battery), voltage model
Enclose：200V-900V.Or, ptc heater 619 can also be low pressure PTC (driving of 12V or 24V accumulator), voltage range：
9V-32V.In addition, one that this ptc heater 619 can be made up of several or several pieces of PTC-ceramic piece modules and radiating fin
The PTC-ceramic piece module of complete core body or the strip with radiating fin or bulk.
In this utility model, this ptc heater 619 can arrange the windward side of condenser 601 or leeward side indoors.
And, in order to improve the heats to the wind flowing through indoor condenser 601, this ptc heater 619 can be with indoor condenser
601 be arranged in parallel.In other embodiments, this ptc heater 619 can also be arranged in blowing of the casing of HVAC assembly 600
At foot air port and defrosting outlet, can also be arranged at the air port of defrosting duct.
If ptc heater 619 to be arranged in windward side or the leeward side of casing interior room inner condenser 601, cold with interior
Condenser 601 is arranged in parallel, can grooving on casing housing, ptc heater 619 is inserted perpendicularly into puts casing into it is also possible to indoors
Welding support on condenser 601 side plate, ptc heater 619 is fixed by screws on the support of indoor condenser 601.If
Ptc heater 619 is arranged in the blowing at foot air port and defrosting outlet of casing, or is arranged at the air port of defrosting duct, can lead to
Cross screw to be directly anchored at casing air outlet and the air port of wind passage mouth.
By this embodiment, when the outer temperature of car is too low, when the heating capacity of heat pump low temperature heating is unsatisfactory for in-car demand,
Ptc heater 619 auxiliary heating heating can be run, when thus can eliminate heat pump type air conditioning system low-temperature heating, heating capacity is little, whole
Car defrosting-defogging is slow, the defect such as heating effect is not good.
As described above, in this utility model, expanding switch valve is to have expansion valve function and switch valve function simultaneously
Valve, can be regarded as being switch valve integrated with expansion valve.Will be provided below a kind of example expanding switch valve in fact
Apply mode.
As shown in figure 8, expansion switch valve mentioned above can include valve body 500, wherein, this valve body 500 is formed with
Import 501, the outlet 502 and connection inner flow passage between import 501 and outlet 502, inner flow passage is provided with first
Valve element 503 and the second valve element 504, the first valve element 503 makes import 501 directly connect or disconnect connection, the second valve with outlet 502
Core 504 makes import 501 connect by restriction 505 with outlet 502 or disconnect connection.
Wherein, " directly the connecting " that the first valve element is realized refers to that the coolant of import 501 entrance from valve body 500 is permissible
Cross the first valve element and pass through the outlet 502 that inner flow passage insusceptibly flows directly to valve body 500, the first valve element is realized
" disconnecting connection " refers to that the coolant entering from the import 501 of valve body 500 cannot be crossed the first valve element and can not flow by inside
Road flows to the outlet 502 of valve body 500." being connected by restriction " that second valve element is realized refers to the import 501 from valve body 500
The coolant entering can be crossed the second valve element and flow to the outlet 502 of valve body 500 after the throttling of restriction, and the second valve
" disconnect connection " that core is realized refer to the coolant entering from the import 501 of valve body 500 cannot cross the second valve element and can not
Flow to the outlet 502 of valve body 500 by restriction 505.
So, by the control to the first valve element and the second valve element, expansion switch valve of the present utility model so that from
Three kinds of states at least realized by the coolant that import 501 enters.That is, 1) cut-off state；2) cross the direct connection of the first valve element 503
State；And 3) cross the throttling mode of communicating of the second valve element 504.
Wherein, the liquid refrigerant of High Temperature High Pressure, again after restriction 505 throttling, can become the vaporific of low-temp low-pressure
Hydraulic pressure cold-producing medium, can be cold-producing medium evaporation create conditions, that is, the cross-sectional area of restriction 505 be less than outlet 504 horizontal stroke
Sectional area, and by controlling the second valve element, the aperture size of restriction 505 can be adjusted, with controlling stream through restriction 505
Flow, prevents the refrigeration deficiency because of the very few generation of cold-producing medium, and prevents from making compressor produce liquid hammer because cold-producing medium is excessive
Phenomenon.That is, the cooperation of the second valve element 504 and valve body 500 is so that expand the function that switch valve has expansion valve.
So, by the first valve element 503 and the second valve element 504 are installed on the inner flow passage of same valve body 500, to realize
The break-make of import 501 and outlet 502 controls and/or throttling control function, and structure is simply it is easy to producing and installing, and works as this reality
When being applied to heat pump with the expansion switch valve of new offer, it is possible to reduce the refrigerant charge of whole heat pump, fall
Low cost, simplifies pipeline and connects, the more conducively oil return of heat pump.
As a kind of exemplary inner mounting structure of valve body 500, as shown in Fig. 8 to Figure 13, valve body 500 includes being formed
The valve seat 510 of inner flow passage and the first valve casing 511 being arranged on this valve seat 510 and the second valve casing 512, in the first valve casing 511
The first electromagnetic drive part 521 for driving the first valve element 503 is installed, is provided with the second valve casing 512 for driving second
Second electromagnetic drive part 522 of valve element 504, the first valve element 503 extends to the inner flow passage in valve seat 510 from the first valve casing 511,
Second valve element 504 extends to the inner flow passage in valve seat 510 from the second valve casing 512.
Wherein, by the first electromagnetic drive part 521, e.g., solenoid, the control of power on/off can easily control
The position of the first valve element 503, and then control import 501 directly to connect with outlet 502 or disconnect connection；By driving to the second electromagnetism
Dynamic portion 522, e.g., solenoid, the control of power on/off can easily control the position of the second valve element 504, thus control into
Whether mouth 501 is connected with restriction 505 with outlet 502.In other words, it has been installed in parallel total import 501 and outlet in valve body 500
502 electric expansion valve and electromagnetic valve it is thus possible to realize expanding the break-make of switch valve and/or the Automated condtrol of throttling, and
Simplify pipeline trend.
For making full use of the locus of all directions expanding switch valve, it is to avoid expand switch valve and different pipeline connects
Produce and interfere, valve seat 510 is formed as polyhedral structure, the first valve casing 511, the second valve casing 512, import 501 and outlet 502 are respectively
It is arranged on the different surfaces of this polyhedral structure, wherein, the installation direction of the first valve casing 511 and the second valve casing 512 is mutually vertical
Directly, the opening direction of import 501 and outlet 502 is mutually perpendicular to.As such, it is possible to import, export pipeline are connected to polyhedron knot
On the different surfaces of structure, it can be avoided that pipeline arranges problem that is in disorder, tangling.
As expand switch valve a kind of typical internal structure, as shown in Figs. 8 to 11, inner flow passage include respectively with
The first flow 506 of import 501 connection and second flow channel 507, first flow 506 are formed with and the first valve element 503 cooperation
First valve port 516, restriction 505 is formed in second flow channel 507 to be formed as the second valve port with the second valve element 504 cooperation
517, first flow 506 and second flow channel 507 are intersected in the downstream of the second valve port 517 and are connected with outlet 502.
That is, by converting the position of the first valve element 503 and realizing the closing to the first valve port 516 or open, and then control
Connection import 501 being blocked or turning on, such that it is able to realize above-described electromagnetic valve with the first flow 506 of outlet 502
Connection or the function of disconnecting connection.Similarly, realize cutting to the second valve port 517 by converting the position of the second valve element 504
Break or turn on, such that it is able to realize the throttling function of electric expansion valve.
First flow 506 and second flow channel 507 can be respectively communicated with import 501 and outlet with any appropriate arrangement
502, the entirety for reducing valve body 500 takes up room, and as shown in figure 12, second flow channel 507 is opened up in the same direction with outlet 502, and first
Runner 506 is formed as the orthogonal first through hole 526 with second flow channel 507, and import 501 is by being opened in second flow channel 507
The second through hole 527 on the wall of side is connected with second flow channel 507, and first through hole 526 and the second through hole 527 are connected respectively with import 501
Logical.Wherein, first through hole 526 or can be arranged in parallel in spatial vertical setting with the second through hole 527, and this utility model is to this
It is not restricted, belong among protection domain of the present utility model.
Entirety for simplifying valve body 500 further takes up room, as shown in FIG. 15 to 18, import 501 and outlet 502 phases
Mutually vertically it is opened on valve body 500.So, as shown in Figure 15 to Figure 17, the axis of import 501, outlet 502 axis (i.e.
The axis of second flow channel 507), and the axis of first flow 506 is vertically arranged two-by-two in space, thus preventing the first valve element
503 and second the mobile generation of valve element 504 interfere, and can substantially utilize the inner space of valve body 500.
As is illustrated by figs. 11 and 12, for ease of realizing the closing of the first valve port 516 and opening, the first valve element 503 is along movement
Direction and the first valve port 516 are coaxially laid selectively to block or to depart from the first valve port 516.
For ease of realizing the closing of the second valve port 517 and opening, the second valve element 504 is along moving direction and the second valve port 517
Coaxially lay selectively to block or to depart from the second valve port 517.
Wherein, as shown in figure 14, for ensureing the reliability that the first valve element 503 blocks, the first valve element to first flow 506
503 can include the first valve rod 513 and the first plug 523 being connected to this first valve rod 513 end, and this first plug 523 is used
To block first flow 506 on the end face being sealed against the first valve port 516.
For ease of adjusting the aperture size of the restriction 505 expanding switch valve, as is illustrated by figs. 11 and 12, the second valve element
504 include the second valve rod 514, and the end of this second valve rod 514 is formed as taper header structure, and the second valve port 517 is formed as and is somebody's turn to do
The taper pore structure that taper header structure matches.
Wherein, restriction 505 aperture expanding switch valve can be adjusted by the second moving up and down of valve element 504, and
Moving up and down of second valve element 504 can be adjusted by the second electromagnetic drive part 522.If expanding the restriction 505 of switch valve
Aperture be zero, as shown in figure 11, the second valve element 504 is in extreme lower position, the second valve element 504 block the second valve port 517, refrigeration
Agent can not pass through restriction 505, i.e. the second valve port 517 completely；If expanding switch valve restriction 505 there is aperture, as Figure 12 institute
Show there is between the taper header structure of the end of the second valve element 504 and restriction 505 space, flow to out again after cold-producing medium throttling
Mouth 502.When if desired increasing the throttle opening expanding switch valve, can be by controlling the second electromagnetic drive part 522 so that second
Valve element 504 moves up, so that taper header structure is away from restriction 505, thus the change realizing restriction 505 aperture is big；Phase
Instead, when the aperture needing to reduce the restriction 505 expanding switch valve, can order about mobile under the second valve element 504 phase.
During use, when only needing to the electromagnetic valve function using expansion switch valve, as shown in Figure 11, Figure 14 and Figure 17, the
One valve element 503 departs from the first valve port 516, and the first valve port 516 is in open mode, and the second valve element 504 is in extreme lower position, and second
Throttle orifice 505 is blocked by valve element 504, and the cold-producing medium flowing into inner flow passage from import 501 can not pass through throttle orifice completely
505, the first valve port 516 can only be passed sequentially through, first through hole 526 flows in outlet 502.When electromagnetic valve power-off, the first valve element
503 are moved to the left, and the first plug 523 and the first valve port 516 separate, and cold-producing medium can pass through from first through hole 526；Work as electromagnetism
Valve is energized, and the first valve element 503 moves right, and the first plug 523 and the first valve port 516 are fitted, and cold-producing medium cannot be from first through hole
Pass through in 526.
It should be noted that the dotted line with arrow in Figure 11 and Figure 17 represents cold-producing medium when using electromagnetic valve function
Flow route and trend.
When only needing to the electric expansion valve function using expansion switch valve, as shown in Figure 12 and Figure 18, the second valve port
517, that is, restriction 505 be in open mode, the first valve element 503 blocks the first valve port 516, flows into internal stream from import 501
The cold-producing medium in road cannot pass through first through hole 526, can only pass sequentially through the second through hole 527, restriction 505 flows into outlet 502
In, and the second valve element 504 can be moved up and down to adjust the size of the aperture of restriction 505.
It should be noted that the dotted line with arrow in Figure 12 and Figure 18 represents cold-producing medium using electric expansion valve function
When flow route and trend.
When needing simultaneously using the electromagnetic valve function of expanding switch valve and electric expansion valve function, such as Fig. 9, Figure 15 and Tu
Shown in 16, wherein, the dotted line with arrow represents glide path and the trend of cold-producing medium, and the first valve element 503 departs from the first valve port
516, the first valve port 516 is in open mode, and restriction 505 is in open mode, and the cold-producing medium flowing into inner flow passage is permissible
Flow to outlet 502 along first flow 506 and second flow channel 507 respectively, thus have electromagnetic valve function and electric expansion valve simultaneously
Function.
It should be appreciated that above-mentioned embodiment as just expand switch valve one of which example, and and without
In limiting this utility model, other have expansion valve function simultaneously and the expansion switch valve of switch valve function is equally applicable to this reality
With new.
This utility model also provides a kind of electric automobile, including the above-mentioned heat pump air conditioner system being provided according to this utility model
System.Wherein, this electric automobile can include pure electric automobile, hybrid vehicle, fuel cell car.
Describe preferred implementation of the present utility model above in association with accompanying drawing in detail, but, this utility model does not limit
Detail in above-mentioned embodiment, in range of the technology design of the present utility model, can be to skill of the present utility model
Art scheme carries out multiple simple variant, and these simple variant belong to protection domain of the present utility model.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means.In order to avoid unnecessary repetition, this utility model is to each
Plant possible compound mode no longer separately to illustrate.
Additionally, combination in any can also be carried out, as long as it is not disobeyed between various different embodiment of the present utility model
Carry on the back thought of the present utility model, it equally should be considered as content disclosed in the utility model.
Claims (12)
1. a kind of heat pump type air conditioning system is it is characterised in that include compressor (604), indoor condenser (601), indoor evaporator
(602), outdoor heat exchanger (605) and expand switch valve (603), the egress selection ground of described compressor (604) is via first
Through-flow branch road is connected with the described entrance expanding switch valve (603) or via the second through-flow branch road and described interior condenser
(601) entrance connection, the outlet of described interior condenser (601) is connected with the described entrance expanding switch valve (603), described
The outlet expanding switch valve (603) is connected with the entrance of described outdoor heat exchanger (605), the going out of described outdoor heat exchanger (605)
Mouth is optionally connected with the entrance of described compressor (604) via three-way flow branch road or via throttling branch road and described interior
The entrance connection of vaporizer (602), the outlet of described indoor evaporator (602) is connected with the entrance of described compressor (604).
2. heat pump type air conditioning system according to claim 1 is it is characterised in that be provided with first on described first through-flow branch road
Switch valve (620), described second through-flow branch road is provided with second switch valve (621).
3. heat pump type air conditioning system according to claim 1 is it is characterised in that the outlet of described compressor (604) passes through three
Port valve (622) is optionally connected with the described first through-flow branch road or the second through-flow branch road.
4. heat pump type air conditioning system according to claim 1 is it is characterised in that be provided with the 3rd on described three-way flow branch road
Switch valve (610), described throttling branch road is provided with expansion valve (609).
5. heat pump type air conditioning system according to claim 1 is it is characterised in that the outlet warp of described indoor evaporator (602)
Connected with the entrance of described compressor (604) by check valve (615).
6. heat pump type air conditioning system according to claim 1 it is characterised in that described heat pump type air conditioning system be applied to electronic
Automobile, described three-way flow branch road is additionally provided with plate type heat exchanger (612), and this plate type heat exchanger (612) is simultaneously located at institute
State in the electromotor cooling system of electric automobile.
7. heat pump type air conditioning system according to claim 6 is it is characterised in that be provided with the 3rd on described three-way flow branch road
The outlet of switch valve (610), the refrigerant inlet of described plate type heat exchanger (612) and described outdoor heat exchanger (605), institute
The refrigerant outlet stating plate type heat exchanger (612) is connected with the entrance of described 3rd switch valve (610).
8. heat pump type air conditioning system according to claim 6 is it is characterised in that described electromotor cooling system includes and described plate
Formula heat exchanger (612) is connected to form motor, motor radiator (613) and the water pump (614) in loop.
9. heat pump type air conditioning system according to claim 1 is it is characterised in that described system also includes gas-liquid separator
(611), the outlet of described indoor evaporator (602) is connected with the entrance of described gas-liquid separator (611), described outdoor heat exchanger
(605) outlet is connected with the entrance of described gas-liquid separator (611) via the described second through-flow branch road, described gas-liquid separator
(611) outlet is connected with the entrance of described compressor (604).
10. heat pump type air conditioning system according to claim 1 is it is characterised in that described system also includes ptc heater
(619), this ptc heater (619) flows through the wind of described interior condenser (601) for heating.
11. heat pump type air conditioning systems according to claim 10 are it is characterised in that described ptc heater (619) is arranged on institute
State windward side or the leeward side of indoor condenser (601), and abreast arrange with described interior condenser (601).
A kind of 12. electric automobiles are it is characterised in that include the heat pump air conditioner system according to any one in claim 1-11
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620420812.6U CN205980092U (en) | 2016-05-10 | 2016-05-10 | Heat pump air conditioning system and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620420812.6U CN205980092U (en) | 2016-05-10 | 2016-05-10 | Heat pump air conditioning system and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205980092U true CN205980092U (en) | 2017-02-22 |
Family
ID=58019236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620420812.6U Active CN205980092U (en) | 2016-05-10 | 2016-05-10 | Heat pump air conditioning system and electric automobile |
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| Country | Link |
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| CN (1) | CN205980092U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019029092A1 (en) * | 2017-08-07 | 2019-02-14 | 格力电器（武汉）有限公司 | Automobile, heat pump air conditioning system, and automobile heat pump air conditioning assembly and control method therefor |
| CN111051751A (en) * | 2017-07-31 | 2020-04-21 | 株式会社电装 | Integrated valve device |
| CN112140829A (en) * | 2019-06-28 | 2020-12-29 | 比亚迪股份有限公司 | Vehicle thermal management system and vehicle |
| CN114440496A (en) * | 2022-01-26 | 2022-05-06 | 同济大学 | Air conditioner floor heating two-combined air source heat pump system |
| WO2022253124A1 (en) * | 2021-05-31 | 2022-12-08 | 比亚迪股份有限公司 | Valve group integration module, thermal management system of vehicle, and vehicle |
| WO2022253122A1 (en) * | 2021-05-31 | 2022-12-08 | 比亚迪股份有限公司 | Valve group integration module, thermal management system and vehicle |
-
2016
- 2016-05-10 CN CN201620420812.6U patent/CN205980092U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111051751A (en) * | 2017-07-31 | 2020-04-21 | 株式会社电装 | Integrated valve device |
| CN111051751B (en) * | 2017-07-31 | 2022-07-19 | 株式会社电装 | Integrated valve device |
| WO2019029092A1 (en) * | 2017-08-07 | 2019-02-14 | 格力电器（武汉）有限公司 | Automobile, heat pump air conditioning system, and automobile heat pump air conditioning assembly and control method therefor |
| CN112140829A (en) * | 2019-06-28 | 2020-12-29 | 比亚迪股份有限公司 | Vehicle thermal management system and vehicle |
| CN112140829B (en) * | 2019-06-28 | 2022-03-15 | 比亚迪股份有限公司 | Vehicle thermal management system and vehicle |
| WO2022253124A1 (en) * | 2021-05-31 | 2022-12-08 | 比亚迪股份有限公司 | Valve group integration module, thermal management system of vehicle, and vehicle |
| WO2022253122A1 (en) * | 2021-05-31 | 2022-12-08 | 比亚迪股份有限公司 | Valve group integration module, thermal management system and vehicle |
| CN114440496A (en) * | 2022-01-26 | 2022-05-06 | 同济大学 | Air conditioner floor heating two-combined air source heat pump system |
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