CN108016241A - A kind of pure electric automobile heat pump type air conditioning system - Google Patents
A kind of pure electric automobile heat pump type air conditioning system Download PDFInfo
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- CN108016241A CN108016241A CN201810012212.XA CN201810012212A CN108016241A CN 108016241 A CN108016241 A CN 108016241A CN 201810012212 A CN201810012212 A CN 201810012212A CN 108016241 A CN108016241 A CN 108016241A
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- cut
- expansion valve
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 230000008676 import Effects 0.000 claims description 61
- 239000003507 refrigerant Substances 0.000 claims description 53
- 238000001816 cooling Methods 0.000 claims description 30
- 239000002826 coolant Substances 0.000 claims description 19
- 238000001704 evaporation Methods 0.000 claims description 9
- 230000008020 evaporation Effects 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 32
- 238000007791 dehumidification Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
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
-
- 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
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
-
- 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
- B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
-
- 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
- B60H1/3205—Control means therefor
- B60H1/3213—Control means therefor for increasing the efficiency in a vehicle heat pump
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
A kind of pure electric automobile heat pump type air conditioning system.Include compressor, two-phase shut-off valve A, two-phase shut-off valve B, cut-off expansion valve A, two-phase shutoff valve C, three-phase shut-off valve A, outdoor heat exchanger, three-phase shut-off valve B, cut-off expansion valve C, indoor heat exchanger, gas-liquid separator, refrigerating module and heat collecting module；The indoor heat exchanger includes evaporator and condenser, and the refrigerating module includes battery pack and cut-off expansion valve B, and the heat collecting module includes water pump, frequency converter, motor, water tank, expansion tank and heat exchanger；The compressor, two-phase shut-off valve A, condenser, cut-off expansion valve A, outdoor heat exchanger, three-phase shut-off valve B, cut-off expansion valve C, evaporator and vapour liquid separator are sequentially connected in series, the refrigerating module is parallel to evaporator and cut-off expansion valve C, and the heat collecting module is series between three-phase shut-off valve B and vapour liquid separator.It realizes making full use of for water tank heat, protects battery, stable, saving space and cost.
Description
Technical field
The present invention relates to automobile air conditioning technology field, and in particular to a kind of pure electric automobile heat pump type air conditioning system.
Background technology
With the development of economic technology and the increasingly raising of people's living standard, people constantly advocate and establish energy-saving and environmental protection
The requirement in the type world, low-carbon economy become the theme of China's economic development.Pure electric automobile refers to using vehicle power supply as power,
Wheels travel is driven with motor, meets road traffic, the vehicle of security legislation requirements.Pure electric automobile can reduce oil
Consumption, reduces polluted gas discharge, it has also become the industry that China greatly develops, gradually receives more and more attention.
In pure electric automobile field, since no engine water tank for heater provides heat, pure electric automobile
Which kind of mode air-conditioning takes heat as key, has proposed to use heat pump air conditioner currently on the market as solution, heat pump
Air-conditioning can save power consumption compared to PTC heating, such as patent of invention 201620147369.X provides for a kind of heat pump sky
Solution is adjusted, but heat exchanger outdoor in the case where outdoor temperature is relatively low during the heating of such heat pump air conditioner provides heat and has
Limit, and is likely to occur frosting around heat exchanger, cause its can not normal operation, be unable to reach comfort temperature.In summer, if
Temperature is excessive, and automobile batteries job contract makees bad environments, it is necessary to cool down in time to battery pack, otherwise may influence the work of battery pack
Make.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of pure electric automobile heat pump air conditioner system
System, the thermal energy that heat exchanger provides when it can solve current pure electric vehicle heat pump air conditioner heating are limited, in fact it could happen that around heat exchanger
Frosting, cause its can not normal operation, be unable to reach comfortable temperature, if temperature is excessive, automobile batteries bag working environment dislike
It is bad, it is necessary in time to battery pack cool down, otherwise may influence battery pack work the defects of.
To achieve the above object, the present invention is using following technical scheme：It includes compressor, two-phase shut-off valve A, two-phase
Shut-off valve B, cut-off expansion valve A, two-phase shutoff valve C, three-phase shut-off valve A, outdoor heat exchanger, three-phase shut-off valve B, cut-off expansion valve
C, indoor heat exchanger, gas-liquid separator, refrigerating module and heat collecting module；The indoor heat exchanger is located in automobile bodies, comprising
Evaporator and condenser, the refrigerating module include battery pack and cut-off expansion valve B, and the heat collecting module includes water pump, frequency conversion
Device, motor, water tank, expansion tank and heat exchanger；The water pump, frequency converter, motor, water tank are sequentially connected in series, the swelling water
Case is connected with water tank；The compressor, two-phase shut-off valve A, condenser, cut-off expansion valve A, outdoor heat exchanger, three-phase shut-off valve
B, end expansion valve C, evaporator and vapour liquid separator to be sequentially connected in series, the refrigerating module is parallel to evaporator and cut-off expansion valve
C, the heat collecting module are series between three-phase shut-off valve B and vapour liquid separator；The two-phase shut-off valve B mono- terminates two-phase cut-off
Valve A flows into end, another termination condensator outlet；The cut-off expansion valve A connects for shut-off valve and expansion valve integral structure, import
Condensator outlet, outlet connect three-phase shut-off valve A imports；The termination of the two-phase shutoff valve C one cut-off expansion valve A ports of export, it is another
Terminate evaporator end；The three-phase shut-off valve A is one-in-and-two-out formula, and import is connected with cut-off expansion valve A outlets, outlet one
It is connected with outdoor heat exchanger import, outlet two is connected with outdoor heat exchanger outlet；The three-phase shut-off valve B is one-in-and-two-out formula,
Import is connected with outdoor heat exchanger outlet, and outlet one is connected with expansion shutoff valve C import, outlet two and the import one of heat exchanger
It is connected；The cut-off expansion valve C imports connect three-phase shut-off valve B outlets one, and outlet connects evaporator；The cut-off expansion valve B
Import connects cut-off expansion valve C input ends, and outlet connects battery pack cooling tube import；The heat exchanger is four ports, import one
Three-phase shut-off valve B outlets two are connect, outlet one connects vapour liquid separator import two, and two water receiving case input end of import, exports two water receiving casees
The port of export；The vapour liquid separator goes out formula for two into one, and import one connects evaporator outlet, and import two connects heat exchanger outlet one,
Outlet connects compressor inlet.
Further, the outdoor heat exchanger is Overcold.
Further, the evaporator, condenser or outdoor heat exchanger are parallel flow type.
Further, the cut-off expansion valve B or cut-off expansion valve C is shut-off valve expansion valve integral type.
Further, the heat exchanger is board-like.
Further, the refrigerant in the heat exchanger and coolant flow direction are opposite.
Further, the evaporator, condenser and outdoor heat exchanger port are presser type.
Further, the condenser outflow end string has check valve.
The operation principle of the present invention：The heat of water tank cooling system is collected by increasing heat collecting module realization, increase is cold
But module realizes the cooling protection to battery pack, and increase three-phase shut-off valve A ensures the normal operation of whole system, and increase two-phase is cut
Only valve C realizes the purpose of indoor dehumidification, meets the problem of pure electric automobile winter heating is insufficient, ensure that system even in cold
Cryogenic region also can normal operation, realize the high temperature protection to battery pack, by the control to various valve bodies, can realize system
Cold, maximum heating, maximum heating+dehumidifying, heating, heating+dehumidifying, largest battery bag cool down six kinds of patterns, meet user's
Demand.
After adopting the above technical scheme, the present invention has the beneficial effect that：By increasing heat collecting module, water tank heat is realized
Make full use of, electric energy is saved, by increasing refrigerating module, it is possible to achieve to the refrigerating function of battery pack, protection battery is due to temperature
Spending height causes danger, while also add the cut-off expansion valve of integral type, is compared to traditional expansion valve electricity in parallel
Magnet valve, has the function that stable, saving space and cost.Additionally by adding a three-phase shut-off valve A, it is ensured that
Outdoor heat exchanger due to temperature it is too low can not work normally in the case of system still be able to skip outdoor heat exchanger and utilize water
Case heat works on.By control three-phase shut-off valve, two-phase shut-off valve, cut-off expansion valve can realize refrigeration, maximum heating,
Maximum heating+dehumidifying, heating, heating+dehumidifying, the switching of largest battery bag six kinds of patterns of cooling.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is the functional block diagram of refrigeration mode of the present invention；
Fig. 3 is the functional block diagram of maximum heating pattern of the invention；
Fig. 4 is the functional block diagram of maximum heating+dehumidification mode of the invention；
Fig. 5 is the functional block diagram of heating pattern of the present invention；
Fig. 6 is the functional block diagram of heating+dehumidification mode of the present invention；
Fig. 7 is the functional block diagram of largest battery bag refrigerating mode of the present invention.
Embodiment
Referring to shown in Fig. 1-Fig. 7, the technical solution that present embodiment uses is：It includes compressor, two-phase ends
Valve A, two-phase shut-off valve B, cut-off expansion valve A, two-phase shutoff valve C, three-phase shut-off valve A, outdoor heat exchanger, three-phase shut-off valve B, cut
Only expansion valve C, indoor heat exchanger, gas-liquid separator, refrigerating module and heat collecting module；The indoor heat exchanger is located at automobile bodies
Interior, comprising evaporator and condenser, the refrigerating module includes battery pack and cut-off expansion valve B, and the heat collecting module includes water
Pump, frequency converter, motor, water tank, expansion tank and heat exchanger；The water pump, frequency converter, motor, water tank are sequentially connected in series, described
Expansion tank is connected with water tank；The compressor, two-phase shut-off valve A, condenser, cut-off expansion valve A, outdoor heat exchanger, three-phase
Shut-off valve B, cut-off expansion valve C, evaporator and vapour liquid separator are sequentially connected in series, and the refrigerating module is parallel to evaporator and cut-off
Expansion valve C, the heat collecting module are series between three-phase shut-off valve B and vapour liquid separator；The terminations of two-phase shut-off valve B mono- two
Phase shut-off valve A flows into end, another termination condensator outlet；The cut-off expansion valve A is shut-off valve and expansion valve integral structure,
Import connects condensator outlet, and outlet connects three-phase shut-off valve A imports；The termination of the two-phase shutoff valve C one cut-off expansion valve A outlets
End, another termination evaporator end；The three-phase shut-off valve A is one-in-and-two-out formula, import and cut-off expansion valve A outlets phase
Even, outlet one is connected with outdoor heat exchanger import, and outlet two is connected with outdoor heat exchanger outlet；The three-phase shut-off valve B is one
Go out formula into two, import is connected with outdoor heat exchanger outlet, and outlet one is connected with expansion shutoff valve C import, outlet two and heat exchange
The import one of device is connected；The cut-off expansion valve C imports connect three-phase shut-off valve B outlets one, and outlet connects evaporator；Described section
Only expansion valve B imports connect cut-off expansion valve C input ends, and outlet connects battery pack cooling tube import；The heat exchanger is four ends
Mouthful, import one connects three-phase shut-off valve B outlets two, and outlet one connects vapour liquid separator import two, two water receiving case input end of import, outlet
The two water receiving case ports of export；The vapour liquid separator goes out formula for two into one, and import one connects evaporator outlet, and import two connects heat exchanger
Outlet one, outlet connect compressor inlet.The outdoor heat exchanger is Overcold.The evaporator, condenser or outdoor heat exchanger
For parallel flow type.The cut-off expansion valve B or cut-off expansion valve C is shut-off valve expansion valve integral type.The heat exchanger is plate
Formula.Refrigerant and coolant flow direction in the heat exchanger is opposite.The evaporator, condenser and outdoor heat exchanger port
For presser type.The condenser outflow end string has check valve.
The pure electric automobile heat pump type air conditioning system can realize refrigeration, maximum heating, maximum heating+dehumidifying, heating, heating
+ dehumidifying, largest battery bag cool down six kinds of patterns.
Refrigeration mode is as shown in Fig. 2, arrow represents that refrigerant or coolant flow in figure, and arrow is in water tank cooling system
Coolant flows to, other arrows are refrigerant flow direction.Under the pattern, two-phase shut-off valve A is closed, and two-phase shut-off valve B is opened, two-phase
Shutoff valve C is closed, and cut-off expansion valve A is opened for path completely, does not play expansion valve action at this time, three-phase shut-off valve A imports and is connect
The outlet one of outdoor heat exchanger is opened, and the outlet two for connecing outdoor heat exchanger outlet is closed, and three-phase shut-off valve B imports and connects cut-off
The outlet one of expansion valve C imports is opened, and the outlet two for connecing heat exchanger is closed, and cut-off expansion valve B is opened, and plays expansion valve work(at this time
Can, cut-off expansion valve C is opened, and plays expansion valve function at this time.The low-temp low-pressure that compressor compresses will come out by vapour liquid separator
Refrigerant compression be high-temperature high-pressure state, the refrigerant of high temperature and pressure passes through outdoor heat exchanger, at this time outdoor heat exchanger rise it is cold
The effect of condenser, the refrigerant of high temperature and pressure discharge big calorimetric through outdoor heat exchanger, are converted into the refrigerant of cryogenic high pressure, then
By ending expansion valve, end expansion valve at this time and play the role of expansion valve, the refrigerant of cryogenic high pressure is by cut-off expansion valve B
Sprayed with after cut-off expansion valve C, absorb big calorimetric by evaporating, the purpose of battery pack cooling and room temperature lowering is realized, through battery
The refrigerant of the vapour-liquid mixing of bag and evaporator outflow flows out steam to compressor after entering vapour liquid separator.So far whole heat pump
The refrigeration mode of system is completed one and is circulated, and under the refrigeration mode, can be realized while room temperature lowering is met to battery pack
Cooling.
Maximum heating pattern is as shown in figure 3, arrow represents refrigerant or coolant flow direction, arrow in water tank cooling system in figure
Head flows to for coolant, other arrows are refrigerant flow direction.Under the pattern, two-phase shut-off valve A is opened, and two-phase shut-off valve B is closed,
Two-phase shutoff valve C is closed, and cut-off expansion valve A is opened, and plays expansion valve action at this time, three-phase shut-off valve A imports and connects outdoor heat friendship
The outlet one of parallel operation is opened, and the outlet two for connecing outdoor heat exchanger outlet is closed, and three-phase shut-off valve B imports and meets going out for heat exchanger
Mouth two is opened, and the outlet one for connecing cut-off expansion valve C imports is closed, by the high-temperature high-pressure refrigerant of compressor, by condenser
It is changed into cryogenic high pressure after evaporation, release heat improves room temperature, and the cryogenic high pressure refrigerant of condensed device outflow is expanded by cut-off
Valve A, ends expansion valve A and plays expansion valve action at this time, and refrigerant evaporates after spraying, and absorbs heat into outdoor heat exchanger, at this time
Outdoor heat exchanger plays the role of evaporator, and the refrigerant of the medium temperature low pressure come out through outdoor heat exchanger is again by heat collecting module
The water tank cooling system of heat exchanger, heat exchanger access frequency converter and motor, heat exchanger is interior only to occur heat exchange, water
The refrigerant in coolant and heat pump type air conditioning system in case cooling system does not exchange, and refrigerant becomes after heat collecting module
For high-temperature low-pressure gas-liquid mixed, steam flows to compressor after vapour liquid separator.So far maximum heating Pattern completion one follows
Ring, completes the heat collection to water tank cooling system.
Maximum heating+dehumidification mode is as shown in figure 4, arrow represents refrigerant or coolant flow direction, water tank cooling system in figure
Arrow flows to for coolant in system, other arrows are refrigerant flow direction.Under the pattern, two-phase shut-off valve A is opened, two-phase shut-off valve
B is closed, and two-phase shutoff valve C is opened, and cut-off expansion valve A is opened, and plays expansion valve action at this time, three-phase shut-off valve A imports and connects room
The outlet one of outer heat-exchanger is opened, and the outlet two for connecing outdoor heat exchanger outlet is closed, and three-phase shut-off valve B imports and connects heat exchange
The outlet two of device is opened, and the outlet one for connecing cut-off expansion valve C imports is closed, and by the high-temperature high-pressure refrigerant of compressor, is passed through
It is changed into cryogenic high pressure after condenser evaporation, release heat improves room temperature, and the cryogenic high pressure refrigerant of condensed device outflow is by cutting
Only expansion valve A, ends expansion valve A and plays expansion valve action, after refrigerant sprays, be partly into the evaporation of indoor heat exchanger at this time
Being evaporated in device, indoor vapor liquefies to the cold, plays dehumidifying purpose, and another part enters outdoor heat exchanger evaporation and absorbs heat,
Outdoor heat exchanger plays the role of evaporator at this time, and the refrigerant of the medium temperature low pressure come out through outdoor heat exchanger is again by collection hot-die
The water tank cooling system of the heat exchanger of block, heat exchanger access frequency converter and motor, the interior heat that only occurs of heat exchanger are handed over
Change, the refrigerant in coolant and heat pump type air conditioning system in water tank cooling system does not exchange, and is made after heat collecting module
Cryogen is changed into high-temperature low-pressure gas-liquid mixed, enters vapour-liquid after the refrigerant mixing that heat collecting module and indoor evaporator flow out
Separator, steam flows to compressor after vapour liquid separator.So far maximum heating+dehumidification mode completes a circulation, completes
To the heat collection of water tank cooling system and the purpose of indoor dehumidification.
Heating pattern is as shown in figure 5, arrow represents that refrigerant or coolant flow in figure, and arrow is in water tank cooling system
Coolant flows to, other arrows are refrigerant flow direction.Under the pattern, two-phase shut-off valve A is opened, and two-phase shut-off valve B is closed, two-phase
Shutoff valve C is closed, and cut-off expansion valve A is opened, and plays expansion valve action at this time, three-phase shut-off valve A imports and connects outdoor heat exchanger
Outlet one open, connect outdoor heat exchanger outlet outlet two open, three-phase shut-off valve B imports and the outlet two for connecing heat exchanger
Open, the outlet one for connecing cut-off expansion valve C imports is closed, and by the high-temperature high-pressure refrigerant of compressor, is evaporated by condenser
After be changed into cryogenic high pressure, release heat improves room temperature, the cryogenic high pressure refrigerant of condensed device outflow by cut-off expansion valve A,
End expansion valve A at this time and play expansion valve action, refrigerant sprays rear portion and absorbs heat into outdoor heat exchanger evaporation, at this time
Outdoor heat exchanger plays the role of evaporator, and another part directly skips outdoor heat exchanger and enters three-phase shut-off valve B, medium temperature low pressure
Refrigerant again pass through heat collecting module heat exchanger, the heat exchanger access frequency converter and motor water tank cooling system, heat
Only occur heat exchange in exchanger, the refrigerant in coolant and heat pump type air conditioning system in water tank cooling system is not handed over
Change, refrigerant is changed into high-temperature low-pressure gas-liquid mixed after heat collecting module, and steam flows to compressor after vapour liquid separator.Extremely
One circulation of this heating Pattern completion, completes the heat collection to water tank cooling system, and can make full use of collection hot-die
Block collects heat, saves electric energy, when frost or other problems are coagulated in surface caused by outdoor heat exchanger is too low due to temperature
Whole heat pump system still is able to continue to run with, and improves indoor temperature.
Heating+dehumidification mode is as shown in fig. 6, arrow represents that refrigerant or coolant flow in figure, in water tank cooling system
Arrow flows to for coolant, other arrows are refrigerant flow direction.Under the pattern, two-phase shut-off valve A is opened, and two-phase shut-off valve B is closed
Close, two-phase shutoff valve C is opened, and cut-off expansion valve A is opened, and plays expansion valve action at this time, three-phase shut-off valve A imports and is connect outdoor hot
The outlet one of exchanger is opened, and the outlet two for connecing outdoor heat exchanger outlet is opened, and three-phase shut-off valve B imports and connects heat exchanger
Outlet two is opened, and the outlet one for connecing cut-off expansion valve C imports is closed, by the high-temperature high-pressure refrigerant of compressor, by condensation
It is changed into cryogenic high pressure after device evaporation, release heat improves room temperature, and the cryogenic high pressure refrigerant of condensed device outflow is swollen by ending
Swollen valve A, ends expansion valve A and plays expansion valve action, after refrigerant sprays, refrigerant has three places to go, is partly into room at this time
Evaporated in the evaporator of interior heat exchanger, indoor vapor liquefies to the cold, plays dehumidifying purpose, and another part enters outdoor heat exchanger
Evaporation absorbs heat, and outdoor heat exchanger plays the role of evaporator at this time, and last part is skipped outdoor heat exchanger and is directly entered
Three-phase shut-off valve B, the refrigerant of medium temperature low pressure pass through the heat exchanger of heat collecting module, heat exchanger access frequency converter and horse again
The water tank cooling system reached, only occurs heat exchange in heat exchanger, coolant and heat pump air conditioner system in water tank cooling system
Refrigerant in system does not exchange, and refrigerant is changed into high-temperature low-pressure gas-liquid mixed after heat collecting module, by heat collecting module
Enter vapour liquid separator with after the refrigerant mixing of indoor evaporator outflow, the steam flow direction compression after vapour liquid separator
Machine.So far heating+dehumidification mode completes a circulation, completes the mesh of the heat collection and indoor dehumidification to water tank cooling system
, and heat collecting module can be made full use of to collect heat, electric energy is saved, is caused even in outdoor heat exchanger since temperature is too low
Surface coagulate frost or whole heat pump system still is able to continue to run with during other problems, improve indoor temperature.
Largest battery bag refrigerating mode is as shown in fig. 7, arrow represents refrigerant or coolant flow direction, water tank cooling system in figure
Arrow flows to for coolant in system, other arrows are refrigerant flow direction.Under the pattern, two-phase shut-off valve A is closed, two-phase shut-off valve
B is opened, and two-phase shutoff valve C is closed, and cut-off expansion valve A is opened for path completely, does not play expansion valve action, three-phase shut-off valve at this time
A imports and connect the outlet one of outdoor heat exchanger and open, the outlet two for connecing outdoor heat exchanger outlet is closed, three-phase shut-off valve B into
Mouth is opened with the outlet two for connecing heat exchanger, and the outlet one for connecing cut-off expansion valve C imports is closed, and cut-off expansion valve B is opened, at this time
Expansion valve function is played, cut-off expansion valve C is closed.Compressor compresses will pass through the refrigerant for the low-temp low-pressure that vapour liquid separator comes out
Boil down to high-temperature high-pressure state, the liquid refrigerant of high temperature and pressure pass through outdoor heat exchanger, and outdoor heat exchanger plays condenser at this time
Effect, the refrigerant of high temperature and pressure discharges big calorimetric through outdoor heat exchanger, is converted into the refrigerant of cryogenic high pressure, then passes through
End expansion valve, end expansion valve at this time and play the role of expansion valve, the refrigerant of cryogenic high pressure sprays after ending expansion valve B
Go out, evaporated by battery pack cooling tube, realize battery pack fast cooling.The refrigerant that vapour-liquid through battery pack outflow mixes enters
Steam is flowed out after vapour liquid separator to compressor.So far the largest battery bag refrigerating module completion one of whole heat pump system follows
Ring, under the pattern, quickly can cool down battery pack, can to avoid due to battery pack environment temperature it is excessive caused by
Battery is scrapped and other problems.
The pure electric automobile heat pump type air conditioning system is particularly suitable in pure electric automobile field, is realized by increasing heat collecting module
The heat of water tank cooling system is collected, increase refrigerating module realizes the cooling protection to battery pack, and increase three-phase shut-off valve A is protected
The normal operation of whole system is demonstrate,proved, increase two-phase shutoff valve C realizes the purpose of indoor dehumidification, meets pure electric automobile winter system
The problem of hot deficiency, ensure that system even in cold district also can normal operation, realize the high temperature protection to battery pack,
By the control to various valve bodies, refrigeration, maximum heating, maximum heating+dehumidifying, heating, heating+dehumidifying, maximum can be realized
Battery pack cools down six kinds of patterns, meets the demand of user.
The above, is merely illustrative of the technical solution of the present invention and unrestricted, those of ordinary skill in the art are to this hair
The other modifications or equivalent substitution that bright technical solution is made, without departing from the spirit and scope of technical solution of the present invention,
It should all cover among scope of the presently claimed invention.
Claims (8)
- A kind of 1. pure electric automobile heat pump type air conditioning system, it is characterised in that：It includes compressor, two-phase shut-off valve A, two-phase cut-off Valve B, cut-off expansion valve A, two-phase shutoff valve C, three-phase shut-off valve A, outdoor heat exchanger, three-phase shut-off valve B, cut-off expansion valve C, room Interior heat exchanger, gas-liquid separator, refrigerating module and heat collecting module；The indoor heat exchanger is located in automobile bodies, includes evaporation Device and condenser, the refrigerating module include battery pack and cut-off expansion valve B, and the heat collecting module includes water pump, frequency converter, horse Reach, water tank, expansion tank and heat exchanger；The water pump, frequency converter, motor, water tank are sequentially connected in series, the expansion tank and water Case connects；The compressor, two-phase shut-off valve A, condenser, cut-off expansion valve A, outdoor heat exchanger, three-phase shut-off valve B, cut-off Expansion valve C, evaporator and vapour liquid separator are sequentially connected in series, and the refrigerating module is parallel to evaporator and cut-off expansion valve C, described Heat collecting module is series between three-phase shut-off valve B and vapour liquid separator；The two-phase shut-off valve B mono- terminates two-phase shut-off valve A streams Enter end, another termination condensator outlet；The cut-off expansion valve A is shut-off valve and expansion valve integral structure, and import connects condensation Device exports, and outlet connects three-phase shut-off valve A imports；The termination of the two-phase shutoff valve C one cut-off expansion valve A ports of export, another termination Evaporator end；The three-phase shut-off valve A is one-in-and-two-out formula, and import is connected with cut-off expansion valve A outlets, outlet one and room External heat exchanger import is connected, and outlet two is connected with outdoor heat exchanger outlet；The three-phase shut-off valve B is one-in-and-two-out formula, import It is connected with outdoor heat exchanger outlet, outlet one is connected with expansion shutoff valve C import, outlet two and one phase of import of heat exchanger Even；The cut-off expansion valve C imports connect three-phase shut-off valve B outlets one, and outlet connects evaporator；The cut-off expansion valve B into Mouth connects cut-off expansion valve C input ends, and outlet connects battery pack cooling tube import；The heat exchanger is four ports, and import one connects Three-phase shut-off valve B outlets two, outlet one connect vapour liquid separator import two, two water receiving case input end of import, and two water receiving casees of outlet go out Mouth end；The vapour liquid separator goes out formula for two into one, and import one connects evaporator outlet, and import two connects heat exchanger outlet one, goes out Mouth connects compressor inlet.
- A kind of 2. pure electric automobile heat pump type air conditioning system according to claim 1, it is characterised in that：The outdoor heat exchanger For Overcold.
- A kind of 3. pure electric automobile heat pump type air conditioning system according to claim 1, it is characterised in that：It is the evaporator, cold Condenser or outdoor heat exchanger are parallel flow type.
- A kind of 4. pure electric automobile heat pump type air conditioning system according to claim 1, it is characterised in that：The cut-off expansion valve B or cut-off expansion valve C is shut-off valve expansion valve integral type.
- A kind of 5. pure electric automobile heat pump type air conditioning system according to claim 1, it is characterised in that：The heat exchanger is It is board-like.
- A kind of 6. pure electric automobile heat pump type air conditioning system according to claim 1, it is characterised in that：In the heat exchanger Refrigerant and coolant flow direction it is opposite.
- A kind of 7. pure electric automobile heat pump type air conditioning system according to claim 1, it is characterised in that：It is the evaporator, cold Condenser and outdoor heat exchanger port are presser type.
- A kind of 8. pure electric automobile heat pump type air conditioning system according to claim 1, it is characterised in that：The condenser outflow End string has check valve.
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| CN201810012212.XA CN108016241B (en) | 2018-01-05 | 2018-01-05 | Heat pump air conditioning system of pure electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012212.XA CN108016241B (en) | 2018-01-05 | 2018-01-05 | Heat pump air conditioning system of pure electric vehicle |
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| CN108016241A true CN108016241A (en) | 2018-05-11 |
| CN108016241B CN108016241B (en) | 2024-01-26 |
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| CN201810012212.XA Active CN108016241B (en) | 2018-01-05 | 2018-01-05 | Heat pump air conditioning system of pure electric vehicle |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489162A (en) * | 2018-06-04 | 2018-09-04 | 泰铂（上海）环保科技股份有限公司 | A kind of new-energy automobile heat pump system |
| CN108790684A (en) * | 2018-06-04 | 2018-11-13 | 泰铂（上海）环保科技股份有限公司 | A kind of new-energy automobile heat pump air conditioning system and control method |
| CN109080409A (en) * | 2018-09-29 | 2018-12-25 | 重庆超力高科技股份有限公司 | A kind of heat pump system, air-conditioning and automobile |
| CN109177689A (en) * | 2018-10-12 | 2019-01-11 | 泰铂（上海）环保科技股份有限公司 | A kind of novel new-energy automobile heat pump air conditioning system |
| CN109747379A (en) * | 2018-12-28 | 2019-05-14 | 大乘汽车有限公司 | Pure electric vehicle Vehicular heat pump system |
| CN109760484A (en) * | 2018-12-29 | 2019-05-17 | 中国科学院广州能源研究所 | An electric vehicle thermal management system |
| CN109823138A (en) * | 2019-02-20 | 2019-05-31 | 珠海格力电器股份有限公司 | Vehicle thermal management system and vehicle |
| CN110834514A (en) * | 2019-09-26 | 2020-02-25 | 浙江合众新能源汽车有限公司 | A high-efficiency thermal energy conversion system suitable for electric vehicles |
| CN114111129A (en) * | 2021-11-12 | 2022-03-01 | 蔚来汽车科技(安徽)有限公司 | Vehicles and their air conditioning systems |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1302731A1 (en) * | 2001-10-12 | 2003-04-16 | Peugeot Citroen Automobiles SA | Device for the thermal control of a car |
| CN1457303A (en) * | 2001-02-13 | 2003-11-19 | 三洋电机株式会社 | On-vehicle air conditioner |
| JP2008251216A (en) * | 2007-03-29 | 2008-10-16 | Equos Research Co Ltd | Fuel cell system |
| KR20080098936A (en) * | 2007-05-08 | 2008-11-12 | 한라공조주식회사 | CO2 air conditioning system |
| JP2010111269A (en) * | 2008-11-06 | 2010-05-20 | Mitsubishi Heavy Ind Ltd | Vehicular air-conditioning system, and method for operation control threrefor |
| CN102958724A (en) * | 2010-11-01 | 2013-03-06 | 三菱重工业株式会社 | Heat-pump vehicular air conditioner and defrosting method thereof |
| CN203964454U (en) * | 2013-12-27 | 2014-11-26 | 比亚迪汽车工业有限公司 | A kind of pure electric automobile heat pump type air conditioning system and pure electric automobile |
| CN205403230U (en) * | 2016-02-26 | 2016-07-27 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Heat pump -type vehicle air conditioner system |
| CN107020915A (en) * | 2017-04-10 | 2017-08-08 | 延擎动力科技（上海）有限公司 | A kind of new-energy automobile air conditioner heat pump system with coolant circuit |
| WO2017193851A1 (en) * | 2016-05-10 | 2017-11-16 | 比亚迪股份有限公司 | Heat pump air-conditioning system and electric vehicle |
| CN207697428U (en) * | 2018-01-05 | 2018-08-07 | 泰铂（上海）环保科技股份有限公司 | A kind of pure electric automobile heat pump air conditioning system |
-
2018
- 2018-01-05 CN CN201810012212.XA patent/CN108016241B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1457303A (en) * | 2001-02-13 | 2003-11-19 | 三洋电机株式会社 | On-vehicle air conditioner |
| EP1302731A1 (en) * | 2001-10-12 | 2003-04-16 | Peugeot Citroen Automobiles SA | Device for the thermal control of a car |
| JP2008251216A (en) * | 2007-03-29 | 2008-10-16 | Equos Research Co Ltd | Fuel cell system |
| KR20080098936A (en) * | 2007-05-08 | 2008-11-12 | 한라공조주식회사 | CO2 air conditioning system |
| JP2010111269A (en) * | 2008-11-06 | 2010-05-20 | Mitsubishi Heavy Ind Ltd | Vehicular air-conditioning system, and method for operation control threrefor |
| CN102958724A (en) * | 2010-11-01 | 2013-03-06 | 三菱重工业株式会社 | Heat-pump vehicular air conditioner and defrosting method thereof |
| CN203964454U (en) * | 2013-12-27 | 2014-11-26 | 比亚迪汽车工业有限公司 | A kind of pure electric automobile heat pump type air conditioning system and pure electric automobile |
| CN205403230U (en) * | 2016-02-26 | 2016-07-27 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Heat pump -type vehicle air conditioner system |
| WO2017193851A1 (en) * | 2016-05-10 | 2017-11-16 | 比亚迪股份有限公司 | Heat pump air-conditioning system and electric vehicle |
| CN107020915A (en) * | 2017-04-10 | 2017-08-08 | 延擎动力科技（上海）有限公司 | A kind of new-energy automobile air conditioner heat pump system with coolant circuit |
| CN207697428U (en) * | 2018-01-05 | 2018-08-07 | 泰铂（上海）环保科技股份有限公司 | A kind of pure electric automobile heat pump air conditioning system |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790684A (en) * | 2018-06-04 | 2018-11-13 | 泰铂（上海）环保科技股份有限公司 | A kind of new-energy automobile heat pump air conditioning system and control method |
| CN108489162A (en) * | 2018-06-04 | 2018-09-04 | 泰铂（上海）环保科技股份有限公司 | A kind of new-energy automobile heat pump system |
| CN109080409A (en) * | 2018-09-29 | 2018-12-25 | 重庆超力高科技股份有限公司 | A kind of heat pump system, air-conditioning and automobile |
| CN109080409B (en) * | 2018-09-29 | 2024-04-09 | 重庆超力电器有限责任公司 | Heat pump system, air conditioner and car |
| CN109177689A (en) * | 2018-10-12 | 2019-01-11 | 泰铂（上海）环保科技股份有限公司 | A kind of novel new-energy automobile heat pump air conditioning system |
| CN109747379A (en) * | 2018-12-28 | 2019-05-14 | 大乘汽车有限公司 | Pure electric vehicle Vehicular heat pump system |
| CN109760484B (en) * | 2018-12-29 | 2021-01-05 | 中国科学院广州能源研究所 | An electric vehicle thermal management system |
| CN109760484A (en) * | 2018-12-29 | 2019-05-17 | 中国科学院广州能源研究所 | An electric vehicle thermal management system |
| CN109823138A (en) * | 2019-02-20 | 2019-05-31 | 珠海格力电器股份有限公司 | Vehicle thermal management system and vehicle |
| CN109823138B (en) * | 2019-02-20 | 2024-04-05 | 珠海格力电器股份有限公司 | Vehicle thermal management system and vehicle |
| CN110834514B (en) * | 2019-09-26 | 2021-12-03 | 浙江合众新能源汽车有限公司 | High-use-efficiency heat energy conversion system suitable for electric vehicle |
| CN110834514A (en) * | 2019-09-26 | 2020-02-25 | 浙江合众新能源汽车有限公司 | A high-efficiency thermal energy conversion system suitable for electric vehicles |
| CN114111129A (en) * | 2021-11-12 | 2022-03-01 | 蔚来汽车科技(安徽)有限公司 | Vehicles and their air conditioning systems |
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