CN205736772U - Electric automobile air-conditioning system and electric automobile - Google Patents

Electric automobile air-conditioning system and electric automobile Download PDF

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Publication number
CN205736772U
CN205736772U CN201620541431.3U CN201620541431U CN205736772U CN 205736772 U CN205736772 U CN 205736772U CN 201620541431 U CN201620541431 U CN 201620541431U CN 205736772 U CN205736772 U CN 205736772U
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CN
China
Prior art keywords
air
heat exchanger
bellows
electric automobile
conditioning system
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Active
Application number
CN201620541431.3U
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Chinese (zh)
Inventor
李俊峰
郭爱斌
陈华英
王哲
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201620541431.3U priority Critical patent/CN205736772U/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00878Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
    • B60H1/00899Controlling the flow of liquid in a heat pump system
    • B60H1/00907Controlling the flow of liquid in a heat pump system where the flow direction of the refrigerant changes and an evaporator becomes condenser
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00878Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
    • B60H2001/00935Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices comprising four way valves for controlling the fluid direction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00878Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
    • B60H2001/00961Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices comprising means for defrosting outside heat exchangers

Abstract

This utility model provides a kind of electric automobile air-conditioning system, including heat pump assembly and bellows, bellows is provided with air inlet, air outlet and exhaust outlet;Box heat exchanger is placed in air inlet in the air channel that air outlet is formed, and exhaust outlet is placed in the leeward side of box heat exchanger;Air draft air door it is provided with at exhaust outlet;When air draft air door is opened, the air channel between leeward side and the air outlet of box heat exchanger is closed.Electric automobile air-conditioning system of the present utility model and electric automobile, be expelled directly out outdoor by opening air draft air door by the cold air produced during defrost, can avoid the impact to vehicle interior temperature during defrost, thus impact on vehicle interior temperature during reducing defrost.After defrost terminates, by switching cross valve, heat pump assembly being converted to heating mode, now, the hot-air of the high humility produced by box heat exchanger can be directly from exhaust outlet discharge, it is to avoid the front windshield fogging caused during defrost.

Description

Electric automobile air-conditioning system and electric automobile
Technical field
This utility model relates to electric vehicle engineering field, particularly relates to a kind of electric automobile air-conditioning system and electronic vapour Car.
Background technology
The air conditioning system great majority of general pure electric automobile use single cold air conditioning system+PTC (critesistor) system to add The scheme of heat, i.e. cooling in summer majority use single cold air conditioning system as cooling energy source;And winter heating many employings PTC is electric Heating, replaces the original electromotor source as heat.So, the structure of conventional engines air conditioning system is substantially without improvement The air conditioning system demand of pure electric automobile can be met.But this scheme is due to as the PTC heating DIRECT ENERGY source Efficiency the lowest (the highest be not more than 1), so under winter heating's pattern, a big chunk electricity of electric automobile will be used Heat, can reach 50%, the course continuation mileage of pure electric automobile will be greatly shortened.
Heat pump type air conditioning system can well realize the switching of refrigeration and heating mode by cross valve, and is to need to use Electricity drives, and efficiency higher (the most all more than 1), is preferable air-conditioning solution for electric automobile.But two During the heat pump type air conditioning system heat supply the most again that individual heat exchanger is formed, in air channel, the condensate evaporation on heat exchanger is made in car Become windshield fogging, affect driving safety;On the other hand, conventional heat pump air conditioning system only one of which condenser and an evaporation Device, is directly used on automobile, except fog effect is poor, and except impacting vehicle interior temperature during mist.
Utility model content
In view of in prior art, electric automobile air-conditioning system can cause the problem of front windshield fogging during defrosting, The purpose of this utility model is to provide a kind of electric automobile air-conditioning system and electric automobile, it is to avoid air conditioning system is in defrosting process In the problem of front windshield fogging that causes, improve the performance of air conditioning system.
For achieving the above object, this utility model adopts the following technical scheme that
A kind of electric automobile air-conditioning system, including:
Heat pump assembly, described heat pump assembly includes compressor, cross valve, headstock heat exchanger, throttling arrangement and bellows heat exchange Device, described cross valve includes the first port, the second port, the 3rd port and the 4th port;The air vent of described compressor is even Logical described first port, described second port is sequentially connected with described box heat exchanger, described throttling arrangement and described headstock heat exchange Device, described headstock heat exchanger is connected to described 4th port, and described 3rd port connects the air entry of described compressor;And
Bellows, described bellows are provided with air inlet, air outlet and exhaust outlet;Described box heat exchanger is entered described in being placed in In air port to the air channel that described air outlet is formed, described exhaust outlet is placed in the leeward side of described box heat exchanger;Described exhaust outlet Place is provided with air draft air door;When described air draft air door is opened, between leeward side and the described air outlet of described box heat exchanger Air channel is closed.
Wherein in an embodiment, it is additionally provided with in described bellows and is positioned at the first side wall of described bellows and described bellows The second sidewall between demarcation strip, described box heat exchanger is placed between described demarcation strip and the second sidewall of described bellows;
When described air draft air door is opened, the free end of described air draft air door abuts with the second end of described demarcation strip, makes institute State the air channel between the leeward side of box heat exchanger and described air outlet to close.
Wherein in an embodiment, in described bellows, it is additionally provided with the rotation of the inlet side being positioned at described box heat exchanger Air door, described rotary air valve has the second sidewall of the primary importance abutted with the first side wall of described bellows and described bellows The second position abutted, and the 3rd position between described primary importance and the described second position, make air may select Flow through described box heat exchanger.
Wherein in an embodiment, the first end of described rotary air valve is installed on the first end of described demarcation strip, described Second end of rotary air valve can rotate around the first end of described demarcation strip, makes described rotary air valve in described primary importance, institute State and switch between the second position and described 3rd position.
Wherein in an embodiment, described air inlet is provided with inlet air door;
Described inlet air door has the first air intake position that the first end with described air inlet abuts and described air inlet The second air intake position that second end abuts, and the 3rd between described first air intake position and described second air intake position Air intake position;The air source of described bellows is selected to enter by switching the air intake position of described inlet air door.
Wherein in an embodiment, described air outlet includes defrosting/mist air outlet, face air outlet and foot's air-out Mouthful;
Described air-out air door includes the defrosting/nebelwind door being arranged at described defrosting/mist air outlet, is arranged on described face Facial air door at air outlet, is arranged on the foot's air door at described foot air outlet.
Wherein in an embodiment, also include described assisted heating device;Described assisted heating device is placed in described row On rear side of air port.
Wherein in an embodiment, described assisted heating device is electric heater unit or regenerative apparatus, and described accumulation of heat fills Put the waste heat for storing described batteries of electric automobile and/or the waste heat of described heat pump assembly.
Wherein in an embodiment, being additionally provided with circulating fan in described bellows, described circulating fan is placed in described The position that air inlet is corresponding.
Wherein in an embodiment, described compressor is single-stage compressor or Dual-level enthalpy adding compressor.
This utility model additionally provides a kind of electric automobile, including the electric automobile air-conditioning system described in any of the above-described item.
The beneficial effects of the utility model are:
Electric automobile air-conditioning system of the present utility model and electric automobile, offer row by the leeward side in box heat exchanger Wind air port and air draft air door, during the defrost of air conditioning system, open air draft air door, by exhaust damper by box heat exchanger Leeward side and air outlet between air channel close, so, air inlet is box heat exchanger by heat pump assembly, Ke Yizeng through air channel The evaporation effect of box heat exchanger during strengthening frost, such that it is able to during improving defrost speed and defrost heat pump assembly can By property.Meanwhile, it is expelled directly out outside car by exhaust outlet through box heat exchanger cooled air, it is to avoid vehicle interior temperature is caused Impact.Afterwards, when heat pump transfers heating mode to, the condensed water that box heat exchanger produces during defrost can evaporate and with Air inlet to be discharged outside car by air vent together, thus avoid this part Hot wet air heating to cause front windshield to tie into the car Mist.Meanwhile, by arranging demarcation strip, air channel is divided into the first air channel and the second air channel, during the defrost of air conditioning system, Portion of air can be introduced and pass through the first air channel, carry out heating through assisted heating device and deliver in car, it is achieved continuous heat supply Function.
Accompanying drawing explanation
Fig. 1 is that the electric automobile air-conditioning system of an embodiment of the present utility model is under headstock heat exchanger defrosting pattern System block diagram;
Fig. 2 be in Fig. 1 electric automobile air-conditioning system heating/refrigeration mode under system block diagram;
Fig. 3 is electric automobile air-conditioning system system block diagram under defogging mode in Fig. 1;
Fig. 4 is electric automobile air-conditioning system system block diagram under vehicle window defrosting pattern in Fig. 1.
Detailed description of the invention
In order to make the technical solution of the utility model clearer, below in conjunction with accompanying drawing, to electronic vapour of the present utility model Car air conditioning system and electric automobile are described in further detail.Should be appreciated that specific embodiment described herein only in order to Explain that this utility model is not used to limit this utility model.It should be noted that in the case of not conflicting, in the application Feature in embodiment and embodiment can be mutually combined.
As it is shown in figure 1, this utility model one embodiment provides a kind of electric automobile air-conditioning system, including heat pump assembly and Bellows 200.Wherein, heat pump assembly includes compressor 100, box heat exchanger 140, throttling arrangement 130, headstock heat exchanger 120 and Cross valve 110, cross valve 110 includes the first port, the second port, the 3rd port and the 4th port;The aerofluxus of compressor 100 Mouth connection the first port, the second port is sequentially connected with box heat exchanger 140, throttling arrangement 130 and headstock heat exchanger 120, headstock Heat exchanger 120 is connected to the 4th port, and the 3rd port connects the air entry of described compressor 100.In the present embodiment, compressor 100 can be single-stage compressor or the Dual-level enthalpy adding compressor of band Gas-supplying enthalpy-increasing.
Cross valve 110 is used for controlling this heat pump assembly and works in different modes, when the first port of cross valve 110 connects Logical second port, during the 3rd port connection four port, this heat pump assembly is in refrigeration mode.The first end when cross valve 110 Mouth connection the 4th port, during the second port connection three port, this heat pump assembly is in heating mode.
It is outside that compressor 100, headstock heat exchanger 120 are placed in bellows 200, and box heat exchanger 140 is placed in bellows 200.Tool Body ground, bellows 200 is provided with the air inlet of the inlet side being positioned at box heat exchanger 140 and is positioned at going out of box heat exchanger 140 The air outlet of wind side, box heat exchanger 140 is placed in air inlet in the air channel formed between air outlet, i.e. box heat exchanger 140 Being placed between air inlet and air outlet, air flows to air outlet from air inlet in air channel.
It is additionally provided with the exhaust outlet of the leeward side being placed in box heat exchanger 140 on bellows 200 and is arranged at exhaust outlet Air draft air door 240, when air draft air door 240 is opened, air channel between leeward side and the air outlet of box heat exchanger 140 is closed Close so that the air after box heat exchanger 140 processes is from exhaust outlet drains into car, without by air outlet into the car. When air draft air door 240 is closed, whole air channel is in unimpeded state, and the air after box heat exchanger 140 processes can only be from going out Air port is discharged.So during the defrost of air conditioning system, open air draft air door, by exhaust damper by the back of the body of box heat exchanger Air channel between wind side and air outlet is closed, and by opening air draft air door, the cold air produced during defrost is expelled directly out room Outward, the impact to vehicle interior temperature during defrost can be avoided, thus impact on vehicle interior temperature during reducing defrost.Defrost After end, by switching cross valve, heat pump assembly is converted to heating mode, now, the height produced by box heat exchanger 140 The hot-air of humidity can directly be discharged from exhaust outlet, it is to avoid the front windshield fogging caused during defrost.
In one embodiment, being provided with demarcation strip 290 in bellows 200, demarcation strip 290 is placed in the first side of bellows 200 Between wall and the second sidewall of bellows 200, air channel is divided into the first air channel of the first side wall near bellows 200 by demarcation strip 290 The second air channel with the second sidewall near bellows 200.Box heat exchanger 140 is placed in the second air channel, i.e. box heat exchanger 140 It is placed between demarcation strip 290 and the second sidewall of bellows 200.When air draft air door 240 is opened, the free end of air draft air door 240 with Second end of demarcation strip 290 abuts so that the second air channel between leeward side and the air outlet of box heat exchanger 140 is closed.This Time, the air flowing through the first air channel is discharged by air outlet, flows through the air air through box heat exchanger 140 in the second air channel Can only discharge from exhaust outlet, and can not be into the car.
In one embodiment, the rotary air valve of the inlet side being positioned at box heat exchanger 140 it is additionally provided with in bellows 200 230, rotary air valve 230 has primary importance A that the first side wall with bellows 200 abuts and abuts with the second sidewall of bellows 200 Second position C, and the 3rd position B between primary importance A and second position C, make that air is selectable flows through wind Case heat exchanger 140.
When rotary air valve 230 is placed in primary importance A, rotary air valve 230 abuts with the first side wall of bellows 200 so that Air in bellows 200 can only flow to air outlet by box heat exchanger 140.When rotary air valve 230 is in second position C Time, rotary air valve 230 abuts with the second sidewall of bellows 200, thus is closed the inlet side of box heat exchanger 140 so that wind Air in case 200 directly flows to air outlet from air inlet, and without box heat exchanger 140.When rotary air valve 230 is placed in During three position B, portion of air directly flows to air outlet from air inlet, and without box heat exchanger 140, another part is empty Air-flow arrives air outlet through box heat exchanger 140.
Further, the first end of rotary air valve 230 is installed on the first end of demarcation strip 290, the second of rotary air valve 230 End can around demarcation strip 290 first end rotate, make rotary air valve 230 primary importance A, second position C and the 3rd position B it Between switch.By arranging rotary air valve 230, air can enter heat pump assembly with selectivity and process, and improves this air-conditioning system The performance of system.
So, this air conditioning system to front windshield except mist during, can cut according to the humidity condition of air Change the position of rotary air valve 230, thus use different demister patterns to carry out front windshield except mist.Such as, when air When humidity is bigger, rotary air valve 230 can be switched to primary importance A so that air is all made through box heat exchanger 140 Cold treatment, to obtain the air being dried.When air is more dried, rotary air valve 230 can be switched to second position C, make Obtain air directly to carry out except mist from air outlet discharge, thus improve the performance of this air conditioning system.
In one embodiment, inlet air door 210 is placed in air inlet, for entering the air source entering bellows 200 Row selects and switching.Inlet air door 210 has the first air intake position A1 and the of air inlet that the first end with air inlet abuts The second air intake position C1 that two ends abut, and the 3rd air intake between the first air intake position A1 and the second air intake position C1 Position B1;Select to enter the air source of bellows 200 by the air intake position of switching inlet air door 210.Wherein, air source can To be air or car outer air and the mixing of air in car in fresh air outside car, car.
When inlet air door 210 is placed in the first air intake position A1, in car, air is in air inlet enters bellows 200;When entering When wind air door 210 is placed in the second air intake position C1, the fresh air outside car is in air inlet enters bellows 200;Work as inlet air door 210 when being placed in the 3rd air intake position B1, the mixing air warp that in a part of car, the fresh air outside air and a part of car is formed Air inlet enters in bellows 200.Be there is by setting the inlet air door 210 of three air intake positions so that this air conditioning system is permissible The selection of air source is carried out, such that it is able to reduce box heat exchanger 140 to greatest extent according to its concrete operational mode Load, further increases the performance of this air conditioning system.
Concrete, one end of the inlet air door 210 in the present embodiment is fixedly installed on the installation portion of electric automobile, air intake The other end of air door 210, as free end, can rotate to the second air intake position from the first air intake position around installation portion, thus real Switching between each air intake position existing.
Wherein in an embodiment, at the air outlet on bellows 200, it is provided with air-out air door;In the present embodiment, air-out Mouth includes defrosting/mist air outlet, face air outlet and foot's air outlet;Wherein, defrosting/mist air outlet keeps out the wind glass for Herba Plantaginis Glass except mist or defrosting, face air outlet is for blowing to face, and foot's air outlet is for blowing to foot.Accordingly, air-out Air door includes the defrosting/nebelwind door 260 being arranged at defrosting/mist air outlet, is arranged on the facial air door at face air outlet 270, it is arranged on the foot's air door 280 at foot's air outlet.When needs front windshield is defrosted/except mist time, open and remove Frost/nebelwind door 260.When needs are blown to face, open face air door 270;When needs are blown to foot, open foot's wind Door 280.
Further, also include that assisted heating device 250, assisted heating device 250 are placed in the leeward of box heat exchanger 140 Side, to improve the leaving air temp of bellows 200 further.Specifically, assisted heating device 250 is placed in the rear side of exhaust outlet, works as row When wind air door is opened, the air after box heat exchanger processes directly is discharged from exhaust outlet, and will not flow to auxiliary and add hot charging Put 250.Wherein, assisted heating device 250 is electric heater unit or the regenerative apparatus of power-adjustable, and regenerative apparatus is used for storing electricity The waste heat of electrical automobile battery and/or the waste heat of heat pump assembly.In the present embodiment, assisted heating device 250 can as required certainly Row carries out hand switch or automatic control switch.
Being additionally provided with circulating fan 220 in bellows 200, circulating fan 220 is placed in the position corresponding with air inlet, is used for The effect that the air of the bellows 200 entered from air inlet is drawn, it is also possible to accelerate the air flowing in bellows 200.
Illustrate the operation principle of this electric automobile air-conditioning system below in conjunction with the accompanying drawings:
As it is shown in figure 1, when this air conditioning system needs that headstock heat exchanger 120 is carried out defrost, control the of cross valve 110 Single port connects the second port, and the 3rd port connection the 4th port, this heat pump assembly is in refrigeration mode.From compressor 100 row The coolant gone out initially enters in headstock heat exchanger 120, and headstock heat exchanger 120 is carried out defrost, and then coolant passes through throttling arrangement Compressor 100 is returned to after 130 entrance box heat exchanger 140 carry out heat exchange.
Now inlet air door 210 can be placed in the first air intake position A1, the second air intake position C1 or the 3rd air intake position B1, The air i.e. entered in bellows 200 from air inlet can be car in fresh air air, car or the outer fresh air of car with The mixing of air in car, air inlet afterwards is flowed to air outlet direction through the traction of circulating fan 220.
During headstock heat exchanger 120 defrost, air draft air door 240 is in the state opened, i.e. air draft air door all the time 240 are in B2 position all the time so that the second air channel between leeward side and the air outlet of box heat exchanger is closed.
Rotary air valve 230 can also be positioned at the 3rd position B or second position C, when rotary air valve 230 is in the 3rd position B Time, a part of air inlet carries out heat treated through the first air channel by assisted heating device 250, to realize air inlet is heated, with Continuous heating in car during guarantee defrost, it is ensured that the equilibrium of vehicle interior temperature.Another part air inlet passes through heat through the second air channel The box heat exchanger 140 of pump installation, can strengthen the evaporation effect of box heat exchanger 140 during defrost, such that it is able to improve The reliability of heat pump assembly during defrost speed and defrost.Meanwhile, through box heat exchanger 140 cooled air by row Air port is expelled directly out outside car, it is to avoid impact vehicle interior temperature.After defrost terminates, heat pump assembly is converted to heating mode, The condensed water that box heat exchanger 140 produces during defrost can evaporate and along with air inlet is discharged outside car by air vent together, Thus avoid this part Hot wet air heating to cause front windshield fogging into the car.
When rotary air valve 230 is placed in second position C, air inlet is without the process of heat pump assembly.Now, box heat exchanger 140 are in the confined space that rotary air valve 230, the second sidewall of bellows 200, air draft air door 240 and demarcation strip 290 are formed. Box heat exchanger 140 is evaporated in confined space, after defrost terminates, when heat pump assembly is converted to heating mode, and bellows The condensed water that heat exchanger 140 produces during defrost can evaporate and along with air inlet is discharged outside car by air vent together, thus This part Hot wet air heating is avoided to cause front windshield fogging into the car.The all air inlets entering bellows 200 from air inlet are equal Heated by assisted heating device 250, with the continuous heating ensured during defrost in car, it is ensured that vehicle interior temperature equal Weighing apparatus.
When defrost completes, after the condensed water in box heat exchanger 140 evaporates completely by the time, close air draft air door 240, i.e. Air draft air door 240 switches to A2 position, and afterwards, this air conditioning system can carry out the refrigeration of routine or heat, defrosting or defogging Operational mode.
As in figure 2 it is shown, when this electric automobile air-conditioning system needs routine to heat or freezes, air draft air door 240 is located all the time In closed mode, i.e. air draft air door 240 is in A2 position all the time.Now inlet air door 210 can be placed in the first air intake position A1, Second air intake position C1 or the 3rd air intake position B1, i.e. enters air, car in the air in bellows 200 can be car from air inlet The outer fresh air of outer fresh air or car and the mixing of air in car, air inlet afterwards through the traction of circulating fan 220 to going out Flow in direction, air port.Now, rotary air valve 230 can also be positioned at primary importance A, second position C or the 3rd position B.
When this air conditioning system needs to freeze, control cross valve 110 and switch to refrigerating state so that cross valve 110 The first port and the connection of the second port, the 3rd port and the 4th port connect, and this heat pump assembly is in refrigeration mode, from compression The coolant that machine 100 is discharged returns to compressor after passing sequentially through headstock heat exchanger 120, throttling arrangement 130 and box heat exchanger 140 100.Rotary air valve 230 now can switch to primary importance A or the 3rd position B, and air inlet will be all or part of through bellows Heat exchanger 140, to produce cold wind, it is achieved the function of refrigeration.Certainly, rotary air valve 230 can also be positioned at second position C, i.e. enters Gas, without the process of box heat exchanger 140, realizes the effect of refrigeration, now, bellows 200 phase by air-supply in bellows 200 When in the effect of fan, it is achieved the ventilation in car.Afterwards, by opening or closing of air-out air door different on bellows 200, will system The cold wind taken delivers to different positions.
When this air conditioning system needs to heat, control cross valve 110 and switch to the state of heating, i.e. cross valve 110 First port connection the 4th port, the second port connection the 3rd port, heat pump assembly is in heating mode, from compressor 100 row The coolant gone out returns to compressor after sequentially passing through the heat exchange of box heat exchanger 140, throttling arrangement 130 and headstock heat exchanger 120 100.Now, rotary air valve 230 may be located at primary importance A, second position C or the 3rd position B, when rotary air valve 230 is placed in When primary importance A and the 3rd position B, by heat pump assembly and/or assisted heating device 250, air inlet is processed, it is achieved car Inside heat.When rotary air valve 230 is positioned at second position C, air inlet is without the process of heat pump assembly, and now, heat pump assembly can To be in stopped status, control assisted heating device 250 and air inlet is heated, to heat in realizing car.Afterwards, bellows are passed through The the opening or closing of different air-out air doors on 200, delivers to different positions by the hot blast produced.
As it is shown on figure 3, when this electric automobile air-conditioning system needs to carry out windshield except mist, air draft air door 240 begins Be closed eventually, i.e. air draft air door 240 is in A2 position all the time.Now inlet air door 210 can be placed in the second air intake position Putting C1 or the 3rd air intake position B1, the air i.e. entered in bellows 200 from air inlet can be the fresh air car or car Outer fresh air and the mixing of air in car, air inlet afterwards is flowed to air outlet direction through the traction of circulating fan 220.This enforcement In example, concrete demister pattern can be selected according to the concrete condition of air intake.
When the humidity of air inlet is bigger, rotary air valve 230 can be switched to primary importance A, and cross valve 110 is switched For refrigerating state so that the first port of cross valve 110 and the connection of the second port, the 3rd port and the connection of the 4th port, this heat Pump installation is in refrigeration mode, and the coolant discharged from compressor 100 passes sequentially through headstock heat exchanger 120, throttling arrangement 130 and wind Return to compressor 100 after case heat exchanger 140, complete kind of refrigeration cycle.Now, air inlet will all be carried out through box heat exchanger 140 Dehumidifying.After being dehumidified by heat pump assembly, assisted heating device 250 can be started and further air inlet is heated, with Obtain the hot-air being dried.By the way of refrigeration and auxiliary heating, front windshield is carried out except mist, should such that it is able to improve Air conditioning system except fog effect, it is possible to shorten except time of mist.
When the humidity of air inlet is less, when i.e. air inlet is the most relatively dry, now, air inlet only need to carry out heating to obtain The hot-air being dried, at this point it is possible to switch to primary importance A or second position C by rotary air valve 230.Work as rotary air valve 230 when being in primary importance A, controls cross valve 110 and is in the state of heating, i.e. the first port connection the 4th end of cross valve 110 Mouthful, the second port connection the 3rd port, heat pump assembly is in heating mode, and the coolant that compressor is discharged initially enters bellows heat exchange Air inlet is heated by device 140, returns to compressor 100 through throttling arrangement 130, headstock heat exchanger 120 the most successively.Air inlet warp Carry out heating that (certainly, assisted heating device 250 can also be located after box heat exchanger 140 heating again through assisted heating device 250 In closed mode), to obtain the hot-air being dried, thus realize to front windshield except mist process.At rotary air valve 230 When second position C, control this heat pump assembly and shut down, air inlet is heated to obtain dry by assisted heating device 250 Hot-air.Certainly, assisted heating device 250 can also be closed so that the air inlet being dried is fed directly to air outlet, Mode now by air-supply realizes the function except mist.
In other embodiments, rotary air valve 230 can also be positioned at the 3rd position B, now can by heat pump assembly and/ Or assisted heating device 250 carries out heat treated to air inlet, to obtain the hot-air being dried, carry out defogging operation.
As shown in Figure 4, when this air conditioning system needs to defrost front windshield, air draft air door 240 is in all the time Closed mode, i.e. air draft air door 240 are in location A all the time.Now inlet air door 210 can be placed in the first air intake position, second Air intake position or the 3rd air intake position, the air i.e. entered in bellows 200 from air inlet can be car in fresh air, car The outer fresh air of air or car and the mixing of air in car, air inlet afterwards through the traction of circulating fan 220 to air outlet direction Flowing.
Heat pump assembly is in heating mode, controls cross valve 110 and is in the state of heating, i.e. the first port of cross valve 110 Connect the 4th port, the second port connection the 3rd port, the coolant discharged from compressor 100 sequentially pass through box heat exchanger 140, Compressor 100 is returned to after the heat exchange of throttling arrangement 130 and headstock heat exchanger 120.Now, rotary air valve 230 may be located at first Position A, whole air inlets carry out heat treated by heat pump assembly and/or assisted heating device 250, it is achieved the quick system to air inlet Heat, improves defrosting effect.Then, by opening defrosting/nebelwind door 260 so that vehicle window front windshield can be entered by hot-air Row defrosting.Certainly, assisted heating device 250 can also be now not turned on.
Certainly, in other embodiments, rotary air valve 230 can also be positioned at the 3rd position B or second position C.Work as rotation When air door 230 is in the 3rd position B, partial-air admission carries out heat treated by heat pump assembly, and partial-air admission is heated by auxiliary Device 250 carries out heat treated, to realize heating air inlet, improves defrosting effect.Then, by opening defrosting/nebelwind door 260 so that vehicle window front windshield can be defrosted by hot-air.Certainly, assisted heating device can also be now not turned on 250。
When rotary air valve 230 is placed in second position C, air inlet is without the process of heat pump assembly, and now, heat pump assembly can To be in stopped status, control assisted heating device 250 and air inlet is heated, then by opening defrosting/nebelwind door 260, Vehicle window front windshield can be defrosted by hot-air.
This utility model one embodiment additionally provides a kind of electric automobile, including the electric automobile of any of the above-described embodiment Air conditioning system.
Electric automobile air-conditioning system of the present utility model and electric automobile, offer row by the leeward side in box heat exchanger Wind air port and air draft air door, during the defrost of air conditioning system, open air draft air door, by exhaust damper by box heat exchanger Leeward side and air outlet between air channel close, so, air inlet is box heat exchanger by heat pump assembly, Ke Yizeng through air channel The evaporation effect of box heat exchanger during strengthening frost, such that it is able to during improving defrost speed and defrost heat pump assembly can By property.Meanwhile, it is expelled directly out outside car by exhaust outlet through box heat exchanger cooled air, it is to avoid vehicle interior temperature is caused Impact.Afterwards, when heat pump transfers heating mode to, the condensed water that box heat exchanger produces during defrost can evaporate and with Air inlet to be discharged outside car by air vent together, thus avoid this part Hot wet air heating to cause front windshield to tie into the car Mist.Meanwhile, by arranging demarcation strip, air channel is divided into the first air channel and the second air channel, during the defrost of air conditioning system, Portion of air can be introduced and pass through the first air channel, carry out heating through assisted heating device and deliver in car, it is achieved continuous heat supply Function.Meanwhile, electric automobile air-conditioning system of the present utility model and electric automobile, by setting have the first air intake position, Two air intake positions and the inlet air door of the 3rd air intake position, consequently facilitating this air conditioning system refrigerating/heating, defrosting/except mist or Air source under each pattern such as defrost selects.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed, But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, common for this area For technical staff, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these all belong to In protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.

Claims (11)

1. an electric automobile air-conditioning system, it is characterised in that including:
Heat pump assembly, described heat pump assembly includes compressor (100), cross valve (110), headstock heat exchanger (120), throttling arrangement (130) and box heat exchanger (140), described cross valve (110) includes the first port, the second port, the 3rd port and the 4th Port;The air vent of described compressor (100) connects described first port, and described second port is sequentially connected with described bellows heat exchange Device (140), described throttling arrangement (130) and described headstock heat exchanger (120), described headstock heat exchanger (120) is connected to described 4th port, described 3rd port connects the air entry of described compressor (100);And
Bellows (200), described bellows are provided with air inlet, air outlet and exhaust outlet;Described box heat exchanger (140) is placed in In the described air inlet air channel that extremely described air outlet is formed, described exhaust outlet is placed in the leeward side of described box heat exchanger (140); Air draft air door (240) it is provided with at described exhaust outlet;When described air draft air door (240) is opened, described box heat exchanger (140) Air channel between leeward side and described air outlet is closed.
Electric automobile air-conditioning system the most according to claim 1, it is characterised in that be additionally provided with in described bellows and be positioned at institute Stating the demarcation strip (290) between the first side wall of bellows and the second sidewall of described bellows, described demarcation strip (290) is by described wind Road is divided into the first air channel of the first side wall near described bellows (200) and the of the second sidewall near described bellows (200) Two air channels;
Described box heat exchanger (140) is placed in described second air channel;When described air draft air door (240) is opened, described air draft wind The door free end of (240) abuts with the second end of described demarcation strip (290), makes described second air channel close.
Electric automobile air-conditioning system the most according to claim 2, it is characterised in that be additionally provided with in described bellows and be positioned at institute Stating the rotary air valve (230) of the inlet side of box heat exchanger (140), described rotary air valve (230) has with described bellows The second position that the primary importance that one sidewall abuts abuts with the second sidewall of described bellows, and between described primary importance And the 3rd position between the described second position, make that air is selectable flows through described box heat exchanger (140).
Electric automobile air-conditioning system the most according to claim 3, it is characterised in that the first of described rotary air valve (230) End is installed on the first end of described demarcation strip (290), and the second end of described rotary air valve (230) can be around described demarcation strip (290) the first end rotates, and makes described rotary air valve (230) described primary importance, the described second position and described 3rd Switch between putting.
Electric automobile air-conditioning system the most according to claim 1, it is characterised in that described air inlet is provided with air intake wind Door (210);
Described inlet air door (210) has the first air intake position and the described air inlet that the first end with described air inlet abuts The second air intake position of abutting of the second end, and the between described first air intake position and described second air intake position Three air intake positions;The air source of described bellows is selected to enter by switching the air intake position of described inlet air door (210).
Electric automobile air-conditioning system the most according to claim 1, it is characterised in that described air outlet includes that defrosting/mist goes out Air port, face air outlet and foot's air outlet;
Described air-out air door includes the defrosting/nebelwind door (260) being arranged at described defrosting/mist air outlet, is arranged on described Facial air door (270) at portion's air outlet, is arranged on the foot's air door (280) at described foot air outlet.
7. according to the electric automobile air-conditioning system described in any one of claim 1-6, it is characterised in that also include that described auxiliary adds Thermal (250);Described assisted heating device (250) is placed on rear side of described exhaust outlet.
Electric automobile air-conditioning system the most according to claim 7, it is characterised in that described assisted heating device (250) is Electric heater unit or regenerative apparatus, described regenerative apparatus is for storing the waste heat of described batteries of electric automobile and/or described heat pump The waste heat of device.
9. according to the electric automobile air-conditioning system described in any one of claim 1-6, it is characterised in that also set up in described bellows Circulating fan (220), described circulating fan (220) is had to be placed in the position corresponding with described air inlet.
10. according to the electric automobile air-conditioning system described in any one of claim 1-6, it is characterised in that described compressor (100) For single-stage compressor or Dual-level enthalpy adding compressor.
11. 1 kinds of electric automobiles, it is characterised in that include the electric automobile air-conditioning system described in any one of claim 1-10.
CN201620541431.3U 2016-06-06 2016-06-06 Electric automobile air-conditioning system and electric automobile Active CN205736772U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105922845A (en) * 2016-06-06 2016-09-07 珠海格力电器股份有限公司 Air conditioning system for electric vehicle and electric vehicle
CN111503787A (en) * 2020-04-28 2020-08-07 宁波奥克斯电气股份有限公司 Air conditioner and control method thereof
CN111678206A (en) * 2020-06-17 2020-09-18 珠海格力电器股份有限公司 Air conditioning unit and control method thereof
EP3643993A4 (en) * 2017-06-19 2021-03-10 Gree Electric Appliances (Wuhan) Co., Ltd. Electric vehicle, electric vehicle heat pump air conditioner assembly and control method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105922845A (en) * 2016-06-06 2016-09-07 珠海格力电器股份有限公司 Air conditioning system for electric vehicle and electric vehicle
CN105922845B (en) * 2016-06-06 2018-11-27 珠海格力电器股份有限公司 Electric automobile air-conditioning system and electric car
EP3643993A4 (en) * 2017-06-19 2021-03-10 Gree Electric Appliances (Wuhan) Co., Ltd. Electric vehicle, electric vehicle heat pump air conditioner assembly and control method thereof
US11254186B2 (en) 2017-06-19 2022-02-22 Gree Electric Appliances (Wuhan) Co., Ltd Electric vehicle, heat pump air conditioner assembly for electric vehicle, and control method thereof
CN111503787A (en) * 2020-04-28 2020-08-07 宁波奥克斯电气股份有限公司 Air conditioner and control method thereof
CN111678206A (en) * 2020-06-17 2020-09-18 珠海格力电器股份有限公司 Air conditioning unit and control method thereof

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