CN108016231A - The air-conditioning system of pure electric vehicle - Google Patents
The air-conditioning system of pure electric vehicle Download PDFInfo
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- CN108016231A CN108016231A CN201610974786.6A CN201610974786A CN108016231A CN 108016231 A CN108016231 A CN 108016231A CN 201610974786 A CN201610974786 A CN 201610974786A CN 108016231 A CN108016231 A CN 108016231A
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- air
- refrigerant
- conditioning system
- compressor
- condenser
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/06—Filtering
- B60H3/0608—Filter arrangements in the air stream
- B60H3/0641—Filter arrangements in the air stream near ventilating openings in the vehicle exterior
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/023—Cleaning windscreens, windows or optical devices including defroster or demisting means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/54—Cleaning windscreens, windows or optical devices using gas, e.g. hot air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/06—Filtering
- B60H2003/0683—Filtering the quality of the filter or the air being checked
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention relates to the technical field of electric automobile, there is provided a kind of air-conditioning system of pure electric vehicle, including the first compressor, the first condenser, the first expansion valve and the first refrigeration cycle of the first evaporator formation are connected by the first refrigerant tubing；Second compressor, the second condenser, the second expansion valve and the second refrigeration cycle of the second evaporator formation are connected by second refrigerant pipeline；And the 3rd refrigeration cycle formed is connected with the demister for carrying out cold wind demisting to vehicle front windshield by the second compressor, the second condenser, the 3rd expansion valve.It is compared with the prior art, the air-conditioning system of pure electric vehicle provided by the invention, there is enough refrigerating capacities, improves the comfort level of vehicle；Demister and the second evaporator share the second compressor, can make full use of the cold air of air-conditioning system, can not only reduce cost, and demister when preceding windshield hazes using cold wind demisting to ensure the safety of driving.
Description
Technical field
The present invention relates to the technical field of electric automobile, more particularly, to a kind of air-conditioning system of pure electric vehicle.
Background technology
With the development of science and technology, people are higher and higher to the performance requirement of vehicle, the requirement especially to heat pump performance.
At present, frost removal configuration, this design volume are larger before mainstream middle-bus is added using overhead integral air conditioner more
Adjusting, the front windshield glass that temperature and humidity is carried out to interior air for seriously affecting vehicle modeling beauty and can only be merely
Glass carries out hot wind defrosting and natural wind demisting, the lifting for interior air quality seem helpless, and single
Natural wind demisting, it is impossible to which complete demisting, effect is always not ideal, and only cold wind demisting can just reach the effect got twice the result with half the effort
Fruit, but space is smaller at the front glass of driver, then install the refrigeration plant of similar air-conditioning additional, it is especially unrealistic.
In recent years, also there is a part of configuration for adding preceding frost removal using split-type air conditioner in mini-bus in the market, this to set
Meter has reasonably saved the degree handsome in appearance that arrangement space substantially increases middle-bus, but at the same time, due to monosystem
Unite separating refrigerating ability deficiency, front glass defogging effect it is undesirable, leverage the comfort level of vehicle.With automobile
Popularization, in-vehicle air pollution has been cited as one of common causative factors being detrimental to health in the world.Environment inside car is asked
Topic influences the health for having car cluster, has aroused great concern.Narrow and small in-car, smoke, musty, gasoline
Taste, stink with perspiration, the harmful substance such as the various bad smells being unable to explain clearly, formaldehyde, benzene, acetone are unconsciously making one to be poisoned, gradually
Occur having a headache weak etc..And threat of the microparticle thing to health also can not be ignored in in-car air.More than 10 microns of particle diameter
Particulate matter, can be blocked in outside the nose of people；Particulate matter of the particle diameter between 2.5 microns to 10 microns, can enter and above exhale
Road is inhaled, but part can be excreted by sputum etc., in addition can also be stopped by the fine hair of nasal cavity, to human health damage phase
To smaller；And fine particle of the particle diameter below 2.5 microns, it is not easy to be blocked, bronchus can be directly entered after being inhaled into human body,
The gas exchanges of lung are disturbed, trigger the disease for including asthma, bronchitis and cardiovascular disease etc..We are only comprehensive sharp
With the resource of vehicle, using new design, as much as possible the car space of waste is preferably minimized and meanwhile maximum possible
Improve vehicle refrigerating capacity and preceding shelves glass demisting ability and cleanliness factor, the comfort level of cabin air, design a one kind
New multi-functional pure electric vehicle air-conditioning system be it is extremely urgent, it is imperative.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of air-conditioning system of pure electric vehicle, it is intended to solve existing skill
In art, due to the deficiency of single system separating refrigerating ability, front glass defogging effect it is undesirable, leverage vehicle relax
The defects of appropriate.
A kind of air-conditioning system of pure electric vehicle provided by the invention, including pass through the first compression of the first refrigerant tubing connection
Machine, the first condenser, the first expansion valve and first for making to be formed supplied to air cooled first evaporator in compartment
Refrigeration cycle；Wherein, further include：
Second compressor, for compressing refrigerant；
Second condenser, for making refrigerant with vehicle environmental air heat exchange and by through second compressor compresses
Refrigerant condenses；
Second expansion valve, for expanding the refrigerant through second condenser condensation to refrigerant expenditure and pressure；
Second evaporator, for being evaporated the refrigerant expanded through second expansion valve and making the sky supplied in compartment
Air cooling；
Second refrigerant pipeline, connects second compressor, second condenser, second expansion valve and described
Second evaporator simultaneously forms the second refrigeration cycle；
3rd expansion valve, for expanding the refrigerant through second condenser condensation to refrigerant expenditure and pressure；
And
Demister, for carrying out cold wind demisting to vehicle front windshield；
Second compressor, second condenser, the 3rd expansion valve and the demister form the 3rd refrigeration
Circulation loop.
Further, the demister have the refrigerant inflow port that is connected with the port of export of second condenser and with
The refrigerant outflow port of the arrival end connection of second compressor；The first triple valve is provided with the second refrigerant pipeline
With the second triple valve；First triple valve has the entrance and the 3rd expansion valve be connected with the port of export of the second condenser
The first outlet of arrival end connection and the second outlet being connected with the arrival end of the second evaporator；Second triple valve have with
The first entrance of the port of export connection of second evaporator, the second entrance that is connected with the refrigerant outflow port and compressed with second
The outlet of the arrival end connection of machine；The port of export of 3rd expansion valve is connected with the refrigerant inflow port.
Further, be connected with the first pipeline on the refrigerant inflow port of the demister, first pipeline it is another
End is connected with the first outlet of first triple valve；The second pipeline, second pipe are connected with the refrigerant outflow port
The other end on road is connected with the second entrance of second triple valve；Set on first pipeline and/or second pipeline
For the solenoid valve turned on and block refrigerant flows.
Further, the demister include a cavity, at least one exhaust outlet for being connected with the cavity, for by sky
The breeze fan that the gas of intracavitary is sent out through the exhaust outlet and the condensate pipe connected with the cavity.
Further, the demister further includes the heating component for heating gas in the cavity；The heating group
Part includes being built-in with the hot-water line of fluid and makes the elevated heater element of fluid temperature (F.T.) in the hot-water line, and the hot-water line is at least
Part is inserted in the cavity.
Further, have in the compartment and be used to for gas in the cavity to be delivered to the warm wind wind at clutch pedal
Road.
Further, the air-conditioning system further includes the air monitoring device for monitoring PM2.5 concentration in compartment in real time
And air cleaning unit.
Further, there is an air outlet and a return air inlet, the air cleaning unit is arranged on outlet air in the compartment
At mouthful, the air monitoring device is arranged at the return air inlet.
Further, the display device for being used to show PM2.5 concentration values in compartment is further included, the display device is set
Put in rearview mirror.
Further, the refrigerant is R410A.
It is compared with the prior art, the air-conditioning system of pure electric vehicle provided by the invention, the first refrigeration cycle and first
Refrigeration cycle mutually independent the second refrigeration cycle and the 3rd refrigeration cycle, the 3rd refrigeration cycle include
For carrying out the demister of cold wind demisting to vehicle front windshield, in this way, using the first refrigeration cycle independent of each other
With the second refrigeration cycle to ensure that air-conditioning system has enough refrigerating capacities, the comfort level of vehicle is improved；Demister
The second compressor is shared with the second evaporator, it is not necessary to is individually added a compressor again, can be made full use of air-conditioning system
Cold air, can not only reduce cost, and play energy saving effect, in addition, the defogging effect of demister is good, in preceding windshield
When hazing using cold wind demisting with ensure driving safety.
Brief description of the drawings
Fig. 1 is that the simple structure of the air-conditioning system of pure electric vehicle provided in an embodiment of the present invention illustrates schematic diagram；
Fig. 2 is the structural representation of the second refrigeration cycle and the 3rd refrigeration cycle provided in an embodiment of the present invention
Figure；
Fig. 3 is that the simple structure of the second refrigeration cycle and the 3rd refrigeration cycle provided in an embodiment of the present invention is said
Express intention.
Fig. 4 is the schematic perspective view of demister provided in an embodiment of the present invention.
Main element symbol description
100：Air-conditioning system
10：First refrigeration cycle 11：First refrigerant tubing
12：First compressor 13：First condenser
14：First expansion valve 15：First evaporator
16：First pressure sensor
20：Second refrigeration cycle 21：Second refrigerant pipeline
22：Second compressor 22a：The arrival end of second compressor
22b：The port of export 23 of second compressor：Second condenser
23a：The arrival end 23b of second condenser：The port of export of second condenser
24：Second expansion valve 25：Second evaporator
25a：The port of export of the second evaporators of arrival end 25b of second evaporator
26：Device for drying and filtering 27：Liquid-sighting glass
28：Low tension switch 29：High-voltage switch gear
210：Outdoor fan 211：Indoor fan
212：Gas-liquid separator
213：First triple valve 213a：The entrance of first triple valve
213b：The first outlet 213c of first triple valve：The second outlet of first triple valve
214：Second triple valve 214a：The first entrance of second triple valve
214b：The second entrance 214c of second triple valve：The outlet of second triple valve
30：3rd refrigeration cycle
31：Demister 31a：Refrigerant inflow port
31b：Refrigerant outflow port 311：Exhaust outlet
312：Breeze fan 313：Condensate pipe
314：Hot-water line
32：3rd expansion valve 32a：3rd expansion valve inlet end
32a：3rd expansion valve outlet end 33：Solenoid valve
34：First pipeline 35：Second pipeline
L1：L2 processed in first refrigeration cycle：Made in second refrigeration cycle
The flow direction of the flow direction cryogen of cryogen
L3：215 are made in 3rd refrigeration cycle：Second pressure sensor
The flow direction of cryogen
Embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that described embodiment is the one of the present invention
Section Example, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art exist
All other embodiments obtained on the premise of without creative work, belong to the scope of protection of the invention.
For the core of the present invention to provide a kind of air-conditioning system of pure electric vehicle, the air-conditioning system is independent using two sets
Refrigerating circuit designs, while the temperature to vehicle interior, humidity automatically adjust jointly, additionally it is possible to front windshield
Glass carries out cold wind demisting, hot wind defrosting operation, and the PM2.5 values of air in a car compartment are monitored, shown and purified, and are supplied
The face and warming feet of driver, therefore on the one hand can avoid influencing vehicle because of the refrigerating capacity of single refrigerating circuit deficiency
Comfort level, on the other hand can improve the defrosting-defogging effect to front windshield again, and another further aspect can also be improved in compartment
Air quality and the comfort for multiplying frame, are a set of intelligence, multifunction, the novel air conditioning system of energy-saving.
For sake of convenience, hereinafter alleged " preceding " " rear " " left side " " right side " " on " " under " and attached drawing in itself it is forward and backward, left,
Right, upper and lower does not play restriction effect to consistent to the structure of the present invention.
Unless otherwise defined, technical term or scientific terminology used herein should be in fields of the present invention and have
The ordinary meaning that the personage of general technical ability is understood.Used in present patent application specification and claims " the
One ", " second " and similar word are not offered as any order, quantity or importance, and are used only to distinguish different
Part.Equally, the similar word such as "one" or " one " does not indicate that quantity limits yet, but represents that there are at least one.
In order to make those skilled in the art more fully understand technical scheme, with reference to specific attached drawing to this
The realization of invention is described in detail.
As illustrated in fig. 1 and 2, the air-conditioning system 100 of pure electric vehicle provided in this embodiment, including pass through the first refrigerant pipe
Road 11 connects the first compressor 12, the first condenser 13, the first expansion valve 14 and the air cooling for making to be supplied in compartment
The first evaporator 15 formed the first refrigeration cycle 10, and pass through second refrigerant pipeline 21 connect the second compressor
22nd, the second condenser 23, the second expansion valve 24 and air cooled second evaporator 25 for making to be supplied in compartment are formed
The second refrigeration cycle 20, the first refrigeration cycle 10 and the second refrigeration cycle 20 are separate.The air-conditioning system
System 100 further includes 31 and the 3rd expansion valve 32 of demister for carrying out cold wind demisting to vehicle front windshield, the second compression
Machine 22, the second condenser 23, the 3rd expansion valve 32 and demister 31 form the 3rd refrigeration cycle 30.It is noted that
Refrigerant used in air-conditioning system 100 in the present embodiment is R410A, and R410A is a kind of non-azeotrope mixing system of two-component
Cryogen, is mixed, the gas released will not cause brokenly atmospheric ozone layer by R32 (difluoromethane) and R125 (pentafluoroethane)
Bad effect；In addition, the heat transfer performance of R410A is more excellent, refrigerating capacity is big.
Referring to Fig. 1, in the first refrigeration cycle 10, the first compressor 12 is located on the flow direction L1 of refrigerant
First condenser, 13 upstream, the first compressor 12 are suitable for refrigerant being changed into high pressure, and the first condenser 13 is equivalent to condensation
The outdoor heat exchanger of function, is arranged at the outside in compartment, so as to carry out heat exchange with extraneous air and realize its condensation function.The
One evaporator 15 is located at 13 downstream of the first condenser on the flow direction L1 of refrigerant, equivalent to the interior with vaporization function
Heat exchanger, is arranged at the inside in compartment and has vaporization function, and the is equipped between the first condenser 13 and the first evaporator 15
One pressure sensor 16 and the first expansion valve 14.It is understood that refrigerant is compressed into high temperature height through the first compressor 12
After the steam of pressure, liquid is condensed into the first condenser 13, the heat that when condensation discharges is arranged by condensation fan (not shown)
It is put into air, condensed refrigerant is through 14 expenditure and pressure of the first expansion valve, and the refrigerant after decompression is in the first evaporator 15
Interior absorb in the evaporator is gasified after the heat of air, and cooled air is sent into compartment by evaporation fan (not shown), together
The first compressor 12 is flowed back to after Shi Chengwei low-pressure steams, completes a kind of refrigeration cycle.
Referring to Fig. 1 and 2, the second refrigeration cycle 20 includes being used to compress the second compressor 22 of refrigerant, for making
23 (the phase of the second condenser that refrigerant is condensed with vehicle environmental air heat exchange and by the refrigerant compressed through the second compressor 22
When in have the function of condensation outdoor heat exchanger), for refrigerant expenditure and pressure is made through the second condenser 23 condense system
Second expansion valve 24 of cryogen expansion, the system for making refrigerant carry out heat exchange with air and being expanded through the second expansion valve 24
Air cooled second evaporator 25 that cryogen evaporates and makes to be supplied in compartment is (equivalent to the indoor heat exchange with vaporization function
Device), the second pressure sensor 215 and second refrigerant pipeline that are arranged between the second condenser 23 and the second expansion valve 24
21, second refrigerant pipeline 21 connects the second compressor 22, the second condenser 23, the second expansion valve 24 and the second evaporator 25 simultaneously
Form the second refrigeration cycle 20.Figure it is seen that it is provided between the second condenser 23 and the second expansion valve 24 dry
Dry filter 26 and liquid-sighting glass 27.The heat that second condenser 23 is discharged when condensing is discharged into air by outdoor fan 210, the
Two evaporators, 25 surrounding cooled air is sent into in-car by indoor fan 211, so as to achieve the purpose that refrigeration.Due to the second system
SAPMAC method circuit 20 and the operation principle of the first refrigeration cycle 10 are essentially identical, thus for the second refrigeration cycle 20
Refrigeration principle it is no longer repeated.It is understood that relative at present on the market only with the compressor of a huge discharge
Refrigeration system ensures the automotive air-conditioning system 100 of vehicle cooling-down effect, and air-conditioning system 100 provided in this embodiment, have two
The refrigeration cycle 10,20 of bar independence, has refrigeration emergency system equivalent to vehicle, once wherein a refrigeration cycle goes out
Existing failure, another refrigeration cycle still can normally freeze, so as to ensure that air in a car compartment is continuously in cooling state.
Referring to Fig. 2, the second refrigeration cycle 20 is further included for controlling the second compressor 22 to close when pressure is too small
Low tension switch 28 and for controlled when pressure is excessive second compressor 22 close high-voltage switch gear 29,28 basis of low tension switch
Flow direction L2 of the refrigerant in the second refrigeration cycle 20 is arranged in the upstream of the second compressor 22, high-voltage switch gear 29
The downstream of the second compressor 22 is arranged according to flow direction L2 of the refrigerant in the second refrigeration cycle 20.It is readily comprehensible
It is, when the arrival end 22a pressure values of the second compressor 22 are less than setting value, or the port of export 22b in the second compressor 22
When pressure value is more than setting value, low tension switch 28 or 29 control system circuit of high-voltage switch gear disconnect, to avoid the second compressor 22
Damage.
Referring to Fig. 2, the second refrigeration cycle 20 further includes gas-liquid separator 212, and gas-liquid separator 212 is according to refrigerant
Flow direction L2 in the second refrigeration cycle 20 is arranged in the upstream of the second compressor 22, specifically, gas-liquid separator
212 between 28 and second evaporator 25 of low tension switch, and gas-liquid separator 212 can prevent liquid refrigerant from the second compression
The arrival end 22a of machine 22 enters in the second compressor 22, and only allows gaseous refrigerant to enter in the second compressor 22, to prevent the
Two compressors 22 produce liquid hit phenomenon, the security performance of system is further lifted.
Referring to Fig. 1 and 2, demister 31 is used to carry out cold wind demisting to vehicle front windshield, and the 3rd expansion valve 32 is used for
Refrigerant expenditure and pressure is made through the second condenser 23 condensation refrigerant expand, the second compressor 22, the second condenser 23,
3rd expansion valve 32 and demister 31 form the 3rd refrigeration cycle 30.Refrigerant is in the 3rd refrigeration cycle 30 along L3
Direction (the L3 directions in diagram) is flowed, and refrigerant is low refrigerant throttling by the second condenser 23, the 3rd expansion valve 32
The liquid of warm low pressure, into demister 31 after the heat for the air for passing through the demister 31 is absorbed in the demister 31 and by vapour
Change, become low-pressure steam, while cooled air is sent at the front glass in compartment, and the mist on glass is removed.Easily
Understand, due to the continuous work of the second compressor 22, kind of refrigeration cycle is constantly carried out, this creates the terminal continuous cooling
Effect, is given front glass demisting while passenger is freezed in compartment similarly in a manner of refrigeration, reaches the second compressor 22
The purpose of one drag two (driving the second evaporator 25 and demister 31 to work), realizes the effect of cold wind demisting.Relative to current
Demister on the market is, it is necessary to one compressor of independent arrangement and condenser, air-conditioning system 100 provided in this embodiment, with
The demister 31 of cold wind demister pattern demisting can with the compressor (i.e. the second compressor 22) of Personalized air conditioning refrigeration system, without
A compressor is independently arranged again, therefore, can not only reduce cost, and improves the defogging effect to front windshield, carried
The comfort of vehicle is risen.
Referring to Fig. 3, in the present embodiment, demister 31 has the refrigeration being connected with the port of export 23b of the second condenser 23
The agent inflow entrance 31a and refrigerant outflow port 31b being connected with the arrival end 22a of the second compressor 22.Specifically, second refrigerant
The first triple valve 213 and the second triple valve 214 are provided with pipeline 21.First triple valve 213 has entrance 213a, first outlet
213b and second outlet 213c, wherein, the entrance 213a of the first triple valve 213 is connected with the port of export 23b of the second condenser 23,
The first outlet 213b of first triple valve 213 is connected with the arrival end 32a of the 3rd expansion valve 32, and the second of the first triple valve 213
Outlet 213c is connected with the arrival end 25a of the second evaporator 25, the port of export 32a and refrigerant inflow port of the 3rd expansion valve 32
31a connections.Second triple valve 214 has first entrance 214a, second entrance 214b and outlet 214c, wherein, the second triple valve
214 first entrance 214a is connected with the port of export 25b of the second evaporator 25, the second entrance 214b of the second triple valve 214 with
Refrigerant outflow port 31b connections, the outlet 214c of the second triple valve 214 are connected with the arrival end 22a of the second compressor 22.
Referring to Fig. 3, in order to open demister 31 when needing and using demisting, or will be removed when demisting is not required
Day with fog 31 is closed, and air-conditioning system 100 provided in this embodiment further includes the solenoid valve 33 for switching demister 31.In this implementation
In example, the quantity of solenoid valve 33 is but is not limited to two, and the first pipeline is connected with the refrigerant inflow port 31a of demister 31
It is connected with the second pipeline 35 on 34, refrigerant outflow port 31b, the first of the other end of the first pipeline 34 and the first triple valve 213
213b connections are exported, the other end of the second pipeline 35 is connected with the second entrance 214b of the second triple valve 214, in the first pipeline 34
Be respectively provided with the second pipeline 35 for turn on and block refrigerant flowing a solenoid valve 33.It is easily understood that solenoid valve
33 can realize that refrigerant flows through the break-make of demister 31, and when needing cold wind demisting, solenoid valve 33 is opened；After demisting
Or when demisting is not required, closes demister 31 and switch, two solenoid valves 33 at the same time inside air-conditioning locate closed mode at this time, make
Refrigerant cycle path only returns to the second compressor 22 by the second evaporator 25, leads to the first pipeline 34 and second of demister 31
Pipeline 35 is not turned on, and air-conditioning becomes an independent individual, to ensure that maximum refrigeration is realized in compartment.
Referring to Fig. 2 and 4, demister 31 includes a cavity (not shown), the exhaust outlet 311 that is connected with cavity, for by sky
The breeze fan 312 that the gas of intracavitary is sent out through exhaust outlet 311 and the condensate pipe 313 connected with cavity.In the present embodiment
In, the quantity of exhaust outlet 311 is multiple, and multiple exhaust outlets 311 are divided into two rows, wherein several rows of air port 311 is set straight up,
Another row is inclined to be set up, and after the unlatching of demister 31, the cold wind formed in the cavity of demister 31 can be by breeze fan
312 through exhaust outlet 311 upwards and blow out forward, the mist on preceding perspex is removed, liquefied liquid is by condensing in cavity
Water pipe 313 flows out.
Referring to Fig. 4, defrost to realize to front windshield, demister 31 further include in heating cavities gas plus
Hot component, heating component include being built-in with the hot-water line 314 of fluid and make the elevated heater element of fluid temperature (F.T.) in hot-water line 314
(not shown), heater element can be heating wire, ceramic heating plate, silicone rubber heating sheet or metal fever tablet, and the hot-water line 314 is at least
Part is inserted in cavity, it is to be understood that heater element can be such that the temperature of fluid in hot-water line 314 raise in adstante febre, stream
The gas in cavity is transferred heat to after body heating, then the hot wind after temperature is raised by breeze fan 312 is through exhaust outlet 311
Blow out upwards and forward, the frost on preceding perspex is removed.
As further optimizing, have in compartment and be used to for gas in cavity to be delivered to the warm wind air passage at clutch pedal
(not shown), the one end in warm wind air passage are connected with cavity, in this way, can by the hot wind in demister 31 by warm wind air passage by from
Position blowout at pedal is closed, for the warming feet of driver and passenger.It is noted that it can also be set on demister 31
Put towards driver side to exhaust outlet 311, in this way, can warm oneself for the face of driver and passenger.
As further optimizing, in order to realize the monitoring and purification to air in a car compartment quality, the air-conditioning of the present embodiment
System 100 further includes the air monitoring device (not shown) and air cleaning unit for monitoring PM2.5 concentration in compartment in real time
(not shown).Specifically, air monitoring device can be analyzed in PM2.5 values and the air of deleterious particle in air in a car compartment
Formaldehyde, the content of bacterium, air monitoring device include being used for the PM2.5 sensor (not shown) for obtaining PM2.5 concentration in compartment
With the controller (not shown) of the PM2.5 concentration signals for receiving the transmission of PM2.5 sensors, air cleaning unit may include
HEPA (High efficiency particulate air Filter, high efficiency particle air filter) filter screen, anion, etc. from
The generating means such as son.In compartment there is an air outlet (not shown) and a return air inlet (not shown), air cleaning unit to be arranged on
At air outlet, air monitoring device is arranged at return air inlet.It is understood that pass through air monitoring device centering deleterious particle
PM2.5 values monitored in real time, then the air being blown into compartment is purified by air cleaning unit, to reduce in compartment
The PM2.5 contents of air.
Certainly, air monitoring device and air cleaning unit can also be arranged at return air inlet.
As further optimizing, the air-conditioning system 100 of the present embodiment is further included for showing PM2.5 concentration values in compartment
Display device (not shown), display device may be provided in rearview mirror, and display device can communicate with air monitoring device.Value
Obtain one to be mentioned that, compared with existing vehicle, can seldom install air purifier additional, even if the high-grade touring car in part, also most adds
Vehicular air purifier is filled, the fan delivery of vehicular air purifier is smaller, can only realize local air purification, does not have whole
Effective fast purification of car air；And in the present embodiment, air cleaning unit design arrangement is in the air outlet side of evaporator, sky
Gas monitoring device is arranged in return air inlet side, and display device is integrated on rearview mirror display module, in this way, can be greatly quick
Vehicle interior air quality is purified, and can monitor, show the PM2.5 concentration values of interior at any time, for driving
Member and passenger know the air quality in compartment, improve the comfort and satisfaction of occupant.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, it is all the present invention spirit and
Any modification, equivalent substitution or improvement for being made within principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of air-conditioning system of pure electric vehicle, including by the first refrigerant tubing connect the first compressor, the first condenser,
First expansion valve and the first refrigeration cycle for forming air cooled first evaporator supplied in compartment；Its
It is characterized in that, further includes：
Second compressor, for compressing refrigerant；
Second condenser, for making refrigerant and vehicle environmental air heat exchange by the refrigeration through second compressor compresses
Agent condenses；
Second expansion valve, for expanding the refrigerant through second condenser condensation to refrigerant expenditure and pressure；
Second evaporator, for being evaporated the refrigerant expanded through second expansion valve and making the air supplied in compartment cold
But；
Second refrigerant pipeline, connects second compressor, second condenser, second expansion valve and described second
Evaporator simultaneously forms the second refrigeration cycle；
3rd expansion valve, for expanding the refrigerant through second condenser condensation to refrigerant expenditure and pressure；And
Demister, for carrying out cold wind demisting to vehicle front windshield；
Second compressor, second condenser, the 3rd expansion valve and the demister form the 3rd kind of refrigeration cycle
Circuit.
2. the air-conditioning system of pure electric vehicle according to claim 1, it is characterised in that the demister has and described the
The refrigerant inflow port of the port of export connection of two condensers and the refrigerant outflow being connected with the arrival end of second compressor
Mouthful；The first triple valve and the second triple valve are provided with the second refrigerant pipeline；First triple valve has and second
The entrance of the port of export connection of condenser, the first outlet that is connected with the arrival end of the 3rd expansion valve and enter with the second evaporator
The second outlet of mouth end connection；Second triple valve has the first entrance being connected with the port of export of the second evaporator and institute
The outlet stated the second entrance of refrigerant outflow port connection and be connected with the arrival end of the second compressor；The outlet of 3rd expansion valve
End is connected with the refrigerant inflow port.
3. the air-conditioning system of pure electric vehicle according to claim 2, it is characterised in that the refrigerant of the demister flows into
The first pipeline is connected with mouthful, the other end of first pipeline is connected with the first outlet of first triple valve；The system
The second pipeline is connected with cryogen flow export, the other end of second pipeline and the second entrance of second triple valve connect
Connect；The solenoid valve for being used for turning on and block refrigerant flows is set on first pipeline and/or second pipeline.
4. the air-conditioning system of pure electric vehicle according to any one of claim 1 to 3, it is characterised in that the demister
At least one exhaust outlet for being connected including a cavity, with the cavity, for the gas in cavity to be sent out through the exhaust outlet
Breeze fan and with the cavity connect condensate pipe.
5. the air-conditioning system of pure electric vehicle according to claim 4, it is characterised in that the demister is further included for adding
The heating component of gas in the heat cavity；The heating component includes being built-in with the hot-water line of fluid and makes in the hot-water line
The elevated heater element of fluid temperature (F.T.), the hot-water line are at least partly inserted in the cavity.
6. the air-conditioning system of pure electric vehicle according to claim 5, it is characterised in that have in the compartment and be used for institute
State the warm wind air passage that gas in cavity is delivered at clutch pedal.
7. the air-conditioning system of pure electric vehicle according to any one of claim 1 to 3, it is characterised in that the air-conditioning system
System further includes the air monitoring device and air cleaning unit for monitoring PM2.5 concentration in compartment in real time.
8. the air-conditioning system of pure electric vehicle according to claim 7, it is characterised in that there is an air outlet in the compartment
With a return air inlet, the air cleaning unit is arranged at air outlet, and the air monitoring device is arranged at the return air inlet.
9. the air-conditioning system of pure electric vehicle according to claim 7, it is characterised in that further include described for showing compartment
The display device of interior PM2.5 concentration values, the display device are arranged in rearview mirror.
10. the air-conditioning system of pure electric vehicle according to any one of claim 1 to 3, it is characterised in that the refrigerant
For R410A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610974786.6A CN108016231A (en) | 2016-10-28 | 2016-10-28 | The air-conditioning system of pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610974786.6A CN108016231A (en) | 2016-10-28 | 2016-10-28 | The air-conditioning system of pure electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN108016231A true CN108016231A (en) | 2018-05-11 |
Family
ID=62084753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610974786.6A Pending CN108016231A (en) | 2016-10-28 | 2016-10-28 | The air-conditioning system of pure electric vehicle |
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| Country | Link |
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| CN (1) | CN108016231A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110149740A (en) * | 2019-06-17 | 2019-08-20 | 郭康宁 | A kind of glass for vehicle window is anti-to haze and device and anti-hazes and Defrost method |
| CN110525162A (en) * | 2018-05-25 | 2019-12-03 | 江苏秋实汽车空调有限公司 | A kind of automotive air-conditioning system that can carry out air detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110525162A (en) * | 2018-05-25 | 2019-12-03 | 江苏秋实汽车空调有限公司 | A kind of automotive air-conditioning system that can carry out air detection |
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| CN110149740B (en) * | 2019-06-17 | 2024-02-20 | 郭康宁 | Anti-fogging device for car window glass and anti-fogging and defrosting method |
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