CN102331048B - Air conditioning system of combined-type gas-water dual-heat-source heat-pump-type electric automobile - Google Patents
Air conditioning system of combined-type gas-water dual-heat-source heat-pump-type electric automobile Download PDFInfo
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- CN102331048B CN102331048B CN2011102070626A CN201110207062A CN102331048B CN 102331048 B CN102331048 B CN 102331048B CN 2011102070626 A CN2011102070626 A CN 2011102070626A CN 201110207062 A CN201110207062 A CN 201110207062A CN 102331048 B CN102331048 B CN 102331048B
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 113
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 238000006243 chemical reaction Methods 0.000 claims abstract description 45
- 239000007789 gas Substances 0.000 claims description 187
- 239000002918 waste heat Substances 0.000 claims description 132
- 239000012530 fluid Substances 0.000 claims description 46
- 238000001816 cooling Methods 0.000 claims description 41
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 31
- 229910052782 aluminium Inorganic materials 0.000 claims description 31
- 238000002156 mixing Methods 0.000 claims description 31
- 239000000498 cooling water Substances 0.000 claims description 26
- 230000008676 import Effects 0.000 claims description 24
- 230000005855 radiation Effects 0.000 claims description 22
- 239000004411 aluminium Substances 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000011084 recovery Methods 0.000 claims description 14
- 230000003068 static effect Effects 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 27
- 238000010257 thawing Methods 0.000 description 14
- 238000001914 filtration Methods 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The invention provides an air conditioning system of a combined-type gas-water dual-heat-source heat-pump-type electric automobile. The air conditioning system is characterized by comprising a full-seal frequency conversion air-conditioning compressor for an automobile driven by a direct-current motor, a combined-type gas-water dual-heat-source utilizing device out of the automobile, a dual-heat-exchange device in the automobile, a liquid storage drier, a gas-liquid separator, a low-pressure throttling valve, a compressor temperature-reduction synergism mixed gas system, a motive power motor residual heat recycling system, a system model switching device and the like. The air conditioning system of the electric automobile provided by the invention is used for solving the prominent problems that the air conditioning system of the electric automobile developed at present can not heat normally when the outdoor temperature is over low, and the air conditioning system model of the electric automobile which operates with the mutual cooperation of a refrigerating system and electric heating consumes over great electricity energy.
Description
Technical field
The present invention relates to a kind of electric automobile air-conditioning system, relate to specifically a kind of combined gas-water double heat source heat pump type electromobile air-conditioning system.
Background technology
Along with the development of electric vehicle engineering, electric automobile air conditioner is also increasing to the restriction of its development, and its reason is: owing to having lacked explosive motor, winter heating is subject to very large restriction.The electric automobile air-conditioning system of exploitation can cause that when outdoor environment temperature is too low compressor exhaust temperature is too high at present, it can't normally be moved when low-temperature heat supply, therefore the system model that basically adopts refrigeration system and electrical heating to cooperatively interact and move, thereby the power consumption when greatly having increased Winter heat supply has had a strong impact on the application and popularization of electric automobile at northern area.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of combined gas-water double heat source heat pump type electromobile air-conditioning system, can't normally heat when outdoor temperature is too low and the cooperatively interact excessive outstanding problem of electric automobile air-conditioning system pattern power consumption of operation of refrigeration system and electrical heating with the electric automobile air-conditioning system that solves present exploitation.
Purpose of the present invention can realize by following technique measures:
Combined gas-water double heat source heat pump type electromobile air-conditioning system of the present invention comprises two heat-exchanger rigs, liquid storage dryer, low pressure choke valve, gas-liquid separator, system model switching device shifter, the mixed gas system of cooling compressor synergy and power motor residual neat recovering system etc. in the outer combined type air-water pair thermal source use devices of the automobile-used totally-enclosed frequency conversion type air conditioning compressor, the car that are driven by direct current generator, car.Wherein said automobile-used totally-enclosed frequency conversion type air conditioning compressor is made of compressor housing, motor, static vortex, moving vortex and the mixed gas of cooling synergy system.The mixed gas of described cooling compressor synergy system is comprised of the built-in cooling synergy of compressor air mixing machine structure and the outside mixed gas disposal of compressor and control device; The built-in cooling synergy of described compressor air mixing machine structure is by the built-in gas mixed hole of compressor, the built-in gas mixed hole interface channel of compressor and be connected with the built-in gas mixed hole interface channel of the compressor other end and the external snap joint that is fixed on compressor housing forms, and is divided into low pressure air mixing machine structure, medium-pressure mechanism, three kinds of forms of high pressure air mixing machine structure; The built-in gas mixed hole of compressor of described low pressure air mixing machine structure is opened in housing part corresponding to compressor air suction chamber or is opened in the relevant position of compressor static vortex and the second compression chamber corresponding part by the built-in gas mixed hole of compressor that the fast three-way joint is connected with compressor suction duct, the built-in gas mixed hole of compressor of described medium-pressure mechanism is opened in the relevant position of compressor static vortex and the first compression chamber corresponding part, described high pressure air mixing machine structure; The outside mixed gas disposal of described compressor and control device are comprised of mixed gas choke valve, mixed gas heat exchanger, mixed gas check-valves, the mixed gas interface external connecting pipe of compressor, and wherein mixed gas choke valve is any one reducing pressure by regulating flow device in electric expansion valve, heating power expansion valve, capillary or restriction sleeve; Mixed gas heat exchanger is that reducing bushing formula, interval are board-like, any one in case tubular type or shell and tube exchanger; Described power motor residual neat recovering system is comprised of the two thermal source use devices of the outer combined type air-water of car, the waste heat water-cooled radiator cooler of motor, motor cooling water pump, first, second and third motor waste heat circulation control valve, first and second air-motor waste heat auxiliary thermal source two media heat exchangers and connecting pipe.Described system model switching device shifter by function control valve, first, second, third and fourth check valve, mixed gas control valve, mixed gas heat exchanger bypass valve, defrost bypass valve, the first air-conditioning duct control valve and the second air-conditioning duct control valve form (can realize automotive air-conditioning system to the refrigeration in electric automobile, commonly heat, low-temperature heating, vehicle window defrosting/demist and five kinds of mode of operations of the outer low-temperature heat source heat exchanger surface defrosting of car switch).
described automobile-used totally-enclosed frequency conversion type air conditioning compressor outlet is connected with air-heat pump fluid two media heat exchangers, gas-liquid separator the corresponding interface of two heat-exchanger rigs in the two thermal source use devices of the outer combined type air-water of car, car respectively by function control valve and corresponding connecting line, the automobile-used totally-enclosed frequency conversion type air conditioning compressor air suction mouth of described gas-liquid separator outlet access, another interface of the two thermal source heat-exchanger rigs of the outer combined type air-water of described car connects the first check valve outlet and the second check valve entrance, the second check valve outlet connects liquid storage dryer and the outlet of the 4th check valve, liquid storage dryer outlet respectively with the entrance of mixed gas control valve, the first entrance of the entrance of mixed gas heat exchanger bypass valve and mixed gas heat exchanger connects, mixed gas heat exchanger bypass valve outlet port and the first outlet of mixed gas heat exchanger connect low pressure choke valve entrance and defrost bypass valve entrance, the outlet of low pressure choke valve connects the first check valve entrance and the 3rd check valve entrance, the defrost bypass valve outlet connects the first check valve entrance and the 3rd check valve entrance, the 3rd check valve outlet connects air-heat pump fluid two media heat exchanger entrances and the 4th check valve entrance of two heat-exchanger rigs in car, described mixed gas control valve outlet connects mixed moral stream valve inlet, and mixed moral stream valve outlet port connects mixed gas heat exchanger the second entrance, and mixed gas heat exchanger the second outlet connects mixed gas check-valves entrance, and mixed gas check-valves outlet connects the mixed gas port of automobile-used totally-enclosed frequency conversion type air conditioning compressor, two heat-exchanger rigs are arranged in car in the air channel by the first air-motor waste heat auxiliary thermal source two media heat exchangers and the two media heat exchangers combinations of air-heat pump fluid in described car, and combination is that the first air-motor waste heat auxiliary thermal source two media heat exchangers are placed in air-heat pump fluid two media heat exchanger air outlet one sides, the first air-conditioning duct control valve is arranged on the air outlet place mutual switching of mist air outlet and Che Nei air outlet (can realize defrosting /) of air-conditioning duct in car, the second air-conditioning duct control valve is arranged on the air inlet place mutual switching of car external air inlet (can realize in car) of air-conditioning duct in car.
The automobile-used totally-enclosed frequency conversion type air conditioning compressor that is driven by direct current generator of the present invention is any one in piston type, vortex, triangle rotor type compressor, and described automobile-used totally-enclosed frequency conversion type air conditioning compressor and direct current generator are enclosed in same closed shell.
more specifically, the present invention forms on structure from system can be divided into major circulatory system and the mixed gas circulatory system, wherein major circulatory system is characterized as: the automobile-used totally-enclosed frequency conversion type air conditioning compressor outlet connection function control valve that direct current generator drives, the function control valve connects the interface of the two thermal source use devices of the outer combined type air-water of car, another interface of the two thermal source use devices of the outer combined type air-water of car connects the first check valve outlet and the second check valve entrance, the second check valve outlet connects liquid storage dryer and the outlet of the 4th check valve, the liquid storage dryer outlet connects mixed gas heat exchanger the first entrance and mixed gas heat exchanger bypass valve inlet, mixed gas heat exchanger the first outlet connects low pressure choke valve entrance, mixed gas heat exchanger bypass valve outlet port connects low pressure choke valve entrance and defrost bypass valve entrance, the outlet of low pressure choke valve connects the first check valve entrance and the 3rd check valve entrance, the defrost bypass valve outlet connects the first check valve entrance and the 3rd check valve entrance, the 3rd check valve outlet connects air-heat pump fluid two media heat exchanger entrances of two heat-exchanger rigs in car, air-heat pump fluid two media heat exchanger outlet connection function control valves of two heat-exchanger rigs in car, the function control valve connects the gas-liquid separator entrance, the gas-liquid separator outlet connects the automobile-used totally-enclosed frequency conversion type air conditioning compressor air suction mouth that direct current generator drives.
the mixed gas circulatory system is characterized as: the automobile-used totally-enclosed frequency conversion type air conditioning compressor outlet connection function control valve that direct current generator drives, the function control valve connects the interface of the two thermal source heat-exchanger rigs of the outer combined type air-water of car, another interface of the two thermal source heat-exchanger rigs of the outer combined type air-water of car connects the first check valve outlet and the second check valve entrance, the second check valve outlet connects liquid storage dryer and the outlet of the 4th check valve, the liquid storage dryer outlet connects mixed gas control valve entrance, mixed gas control valve outlet connects mixed moral stream valve inlet, mixed moral stream valve outlet port connects mixed gas heat exchanger the second entrance, mixed gas heat exchanger the second outlet connects mixed gas check-valves entrance, mixed gas check-valves outlet connects the mixed gas port of automobile-used totally-enclosed frequency conversion type air conditioning compressor that direct current generator drives.
the two thermals source of air-water utilize system features to be: the outlet of motor waste heat cooling device connects the import of motor cooling water pump, the outlet of motor cooling water pump connects respectively the first waste heat recovery control valve import, the second waste heat recovery control valve import and the 3rd waste heat recovery control valve import, the first waste heat recovery control valve outlet connects the import of the first air of being arranged in car in air-conditioning duct and being arranged on two heat-exchanger rig air outlet one sides in car-motor waste heat auxiliary thermal source two media heat exchangers, the outlet of the first air-motor waste heat auxiliary thermal source two media heat exchangers connects the import of motor waste heat cooling device, the second waste heat recovery control valve outlet connects the motor waste heat auxiliary thermal source channel entrance of the two thermal source heat-exchanger rigs of the outer combined type air-water of car, the 3rd waste heat recovery control valve outlet connects car the second air of two thermal source heat-exchanger rig air inlet one sides of combined type air-water-motor waste heat auxiliary thermal source two media heat exchanger imports outward, the motor waste heat auxiliary thermal source channel outlet of the two thermal source heat-exchanger rigs of the outer combined type air-water of car, the outlet of the second air-motor waste heat auxiliary thermal source two media heat exchangers connects the import of motor waste heat cooling device.
described system model switching device shifter can realize that by the function control valve interface of the two thermal source heat-exchanger rigs of the outer combined type air-water of automobile-used totally-enclosed frequency conversion type air conditioning compressor outlet and car is connected, automobile-used totally-enclosed frequency conversion type air conditioning compressor outlet is connected with air-heat pump fluid two media heat exchanger interfaces of two heat-exchanger rigs in car, the gas-liquid separator entrance is connected with another interface of the two thermal source heat-exchanger rigs of the outer combined type air-water of car, the mutual switching that the gas-liquid separator entrance is connected with another interface of air-heat pump fluid two media heat exchangers of two heat-exchanger rigs in car.Mixed gas control valve can be realized liquid storage dryer outlet and mix air circuit and be connected.The first check valve, the second check valve, the 3rd check valve, the 4th check valve can be realized electric automobile refrigeration, commonly heat, low-temperature heating, vehicle window defrosting/demist and five kinds of system models of the outer low-temperature heat source heat exchanger surface defrosting of car share refrigeration pipe and equipment; Mixed gas heat exchanger bypass valve can be realized bypass to mixed gas heat exchanger; Defrost bypass valve can realize bypass to the low pressure choke valve; The first air-conditioning duct control valve can realize defrosting/and mutual switching, the second air-conditioning duct control valve of mist air outlet and Che Nei air outlet can be realized in car, the mutual switching of car external air inlet.
The present invention adopts gas mixing device to solve the problem that conventional automotive air-conditioning system can't normally move when outdoor temperature is too low.The mixed gas of cooling compressor synergy system is comprised of the built-in cooling synergy of compressor air mixing machine structure and the outside mixed gas disposal of compressor and control device; The built-in cooling synergy of described compressor air mixing machine structure is by the built-in gas mixed hole of compressor, the built-in gas mixed hole interface channel of compressor and be connected with the built-in gas mixed hole interface channel of the compressor other end and the external snap joint that is fixed on compressor housing forms, and is divided into low pressure air mixing machine structure, medium-pressure mechanism, three kinds of forms of high pressure air mixing machine structure; Mixed gas heat exchanger can be divided into that reducing bushing formula, interval are board-like, case tubular type and shell-tube type etc.Mixed gas choke valve can adopt any one reducing pressure by regulating flow device in electric expansion valve, heating power expansion valve, capillary or restriction sleeve.Mixed gas check-valves can be realized the maximization of mixed tolerance, strengthens mixed gas effect.
Mixed gas circulation theory is as follows, and refrigerant liquid is divided into two-way after condenser flows out, and one the tunnel enters major cycle, through the heat exchange of overmulling gas heat exchanger, enters evaporimeter after the low pressure choke valve, is sucked by the compressor air entry at last; Another road enters mixed gas circulation, enters mixed gas heat exchanger heat exchange after overmulling moral stream valve, becomes gaseous state after cooling major cycle cold-producing medium, enters compressor by the mixed gas interface of compressor at last.Its principle is: fill into the refrigerant gas of a certain amount of a certain intermediate pressure to compressor centre position or suction location by mixed air circuit, to reach delivery temperature with compressor from T
e' be reduced to T
ePurpose, and can increase to a certain extent the capacity of compressor, thereby improve total heating capacity of heat pump cycle; Simultaneously through the high pressure refrigerant liquid of overmulling gas heat exchanger main road by T
fBe cooled to T
g, make the caloric receptivity that has increased from outdoor Cryogenic air thermal source, thereby improve operational efficiency and the reliability (referring to Figure 14) of heat pump.
Power motor residual neat recovering system described in the present invention is comprised of the two thermal source heat-exchanger rigs of the outer combined type air-water of car, the waste heat water-cooled radiator cooler of motor, motor cooling water pump, first, second and third motor waste heat circulation control valve, first and second air-motor waste heat auxiliary thermal source two media heat exchangers and connecting pipe.
The waste heat water-cooled radiator cooler of motor described in the present invention comprises closed water jacket inner casing, the closed water jacket shell as motor housing and is connected to cooling water channel dividing plate between closed water jacket inside and outside shell, be provided with the some axial direct ribs that consist of cooling air channel on closed water jacket inner casing inwall, in the ring cavity that is consisted of by some axial direct rib inner faces, direct current generator is installed, an axle head at motor shaft is equipped with built-in air-cooling fan, and jointly consists of electric machine built-in air cooling mechanism by axial direct rib and built-in air-cooling fan.
The automobile-used totally-enclosed frequency conversion type air conditioning compressor that is driven by direct current generator described in the present invention is any one in piston type, vortex, triangle rotor type compressor, and described automobile-used totally-enclosed frequency conversion type air conditioning compressor and direct current generator are enclosed in same closed shell.
The two thermal source use devices of the outer combined type air-water of car described in the present invention are the integral type structure; In car, two heat-exchanger rigs are knockdown grading heating device; The two thermal source use devices of the outer combined type air-water of described integral in-vehicle are any one in fin-pipe bushing type, laminates pipe box tubular type or parallel stream flat pipe double pipe heat exchanger, and all have heat pump fluid, motor waste heat auxiliary thermal source and three medium channels of Cryogenic air thermal source.In described car, two heat-exchanger rigs are installed and are formed by air-heat pump fluid two media heat exchangers and air-motor waste heat auxiliary thermal source two media heat exchanger combinations.Described air-heat pump fluid two media heat exchangers and air-motor waste heat auxiliary thermal source two media heat exchangers all can be divided into the forms such as fin-tube type heat exchanger, stacked heat exchanger and parallel flow heat exchanger.
Fin-tube type two media heat exchangers described in the present invention put the aluminium fin by copper or aluminium matter pipe and form, and pipe inner formation motor waste heat auxiliary thermal source or heat pump fluid medium channel, pipe outer surface and fin consist of Cryogenic air heat source medium passage;
Stacked two media heat exchangers described in the present invention are to be laminated by a plurality of unit, each unit is stacked and is formed motor waste heat auxiliary thermal source or heat pump fluid medium channel by two sizes, aluminium sheet that shape is identical (for any form of plane or corrugated surface), forms Cryogenic air thermal source passage by snakelike heat radiation aluminium strip between every two thermal source passages.
Parallel flow type two media heat exchangers described in the present invention are comprised of corrugated heat radiation fin and the tube connector installed between a plurality of parallel aluminum internal-rib flat tubes of installing between two cylinder headers, two cylinder headers, aluminum internal-rib flat tube.Described aluminum internal-rib flat tube is that the flat tube inwall is equipped with a plurality of fins, consists of a plurality of microchannels.The inner microchannel of cylinder header inside and aluminum internal-rib flat tube consists of motor waste heat auxiliary thermal source or heat pump fluid medium channel, and aluminum internal-rib flat tube outer surface and corrugated heat radiation fin consist of Cryogenic air thermal source passage.
The outer two thermal source heat-exchanger rigs of fin described in the present invention-pipe bushing type car are set in together by the pipe of two different tube diameters, be that the pipe with small pipe diameter inner tube is installed in the tube chamber of Large Diameter Pipeline outer tube, the outer wall cover of Large Diameter Pipeline outer tube has fin, and consists of the outer surface of auxiliary thermal source passage, Large Diameter Pipeline outer tube and annular space that fin consists of between Cryogenic air thermal source passage, inner tube and outer tube consists of the heat pump fluid passage by the tube chamber of pipe with small pipe diameter inner tube.
The outer two thermal source heat-exchanger rigs of the pipe box of laminates described in the present invention tubular type car are that the sheet pipe-in-pipe unit by the snakelike heat radiation aluminium strip of a plurality of tyres is laminated, each unit is fitted together by the identical big or small slice pipe box of shape that two aluminium sheets (for any form of plane or corrugated surface) are welded into, form the auxiliary thermal source medium channel in the small pieces pipe, form heat pump fluid passage, large stretch of tube outer surface and snakelike heat radiation aluminium strip between the big or small slice pipe and consist of Cryogenic air heat source medium passage.
The outer two thermal source heat-exchanger rigs of the bushing type of parallel stream flat pipe described in the present invention car are comprised of many groups of the parallel stream flat pipe-in-pipe that are arranged in parallel, corrugated heat radiation fin and the tube connectors between the parallel stream flat pipe-in-pipe installing between two cylinder afflux sleeve pipes, two cylinder afflux sleeve pipes; Described cylinder afflux sleeve pipe is set in together by the pipe of two different tube diameters, be that the pipe with small pipe diameter inner tube is installed in the tube chamber of Large Diameter Pipeline outer tube, the annular space that the tube chamber of pipe with small pipe diameter inner tube consists of between auxiliary thermal source passage, inner tube and outer tube consists of the heat pump fluid passage.Described parallel stream flat pipe-in-pipe is set in together by two aluminium flats that shape is identical, cross-sectional area is different, and the interior flat tube that cross-sectional area is little is installed in the tube chamber of the large outer flat tube of cross-sectional area.A plurality of fins are equipped with in wherein said interior flat tube inside, consist of a plurality of microchannels, and form the auxiliary thermal source medium channel; Ring-like space between inside and outside flat tube is provided with a plurality of fins, consists of a plurality of microchannels, and forms the heat pump fluid passage; Outer flat tube outer surface and corrugated heat radiation fin form Cryogenic air heat source medium passage.Beneficial effect of the present invention is as follows:
A kind of multi-source heat pump type electric automobile heat-pump air-conditioning system provided by the invention, by the mixed gas of cooling compressor synergy system, automobile motor residual neat recovering system and the two thermal source use devices of the outer combined type air-water of car that arrange, the delivery temperature of compressor in the time of can significantly reducing the heat pump air conditioner cold operation, raising system reliability of operation, can greatly improve simultaneously heat capacity and the heating efficiency of this air-conditioning system, the power consumption when reducing the electric automobile air conditioner Winter heat supply.through a kind of multi-source heat pump type electric automobile heat-pump air-conditioning system preliminary experiment research the data obtained provided by the invention is shown: the ultralow temperature when outdoor temperature is-10 ℃ is under thermal condition, the delivery temperature of compressor is reduced to below 70 ℃, the coefficient of heat supply of air-conditioning system is up to more than 2.5, and when can realize at air-water multi-source heat pump outdoor ultra-low temperature surroundings temperature in winter uninterrupted heat supply, carry out the synchronous high-efficiency defrosting of Cryogenic air heat source side, the excessive discharge temperature of compressor in the time of can solving preferably the operation of pump type heat electric automobile air conditioner worst cold case, heating capacity is obviously not enough, the outer low-temperature heat source heat exchanger surface defrosting of car difficulty waits three key technology difficult problems that need to be resolved hurrily.The present invention provides air-conditioning technical support for electric automobile in the development of northern area to accelerating the universal significant with application of electric automobile.
Description of drawings
Fig. 1 is structure principle chart of the present invention.
Fig. 2 is fin-tube type heat exchanger.
Fig. 3 is stacked heat exchanger.
Fig. 4 is the cutaway view of Fig. 3.
Fig. 5 is parallel flow heat exchanger.
Fig. 6 is the cutaway view of Fig. 5.
Fig. 7 is the top view of Fig. 5.
Fig. 8 is the two thermal source use devices of the outer combined type air-water of fin-pipe bushing type car.
Fig. 9 is the two thermal source use devices of the outer combined type air-water of laminates pipe box tubular type car.
Figure 10 is the cutaway view of Fig. 9.
Figure 11 is the two thermal source use devices of the outer combined type air-water of parallel stream flat pipe bushing type car.
Figure 12 is the cutaway view of Figure 11.
Figure 13 is the top view of Figure 11.
Figure 14 is the mixed gas schematic diagram of the present invention.
Figure 15 is mixed a kind of structure chart of gas port in gas mixing device of the present invention.
Figure 16 is mixed gas port the second structure chart in gas mixing device of the present invention.
Figure 17 is mixed the third structure chart of gas port in gas mixing device of the present invention.
Figure 18 is mixed the 4th kind of structure chart of gas port in gas mixing device of the present invention.
Figure 19 is the waste heat water-cooled radiator cooler structure chart of the motor described in the present invention.
Figure 20 is the side view of Figure 19.
Figure 21, Figure 22, Figure 23, Figure 24, Figure 25 are each mode of operation flow charts of the present invention.
sequence number in figure: the 1st, automobile-used totally-enclosed frequency conversion type air conditioning compressor, 2-1 is the function control valve, 2-2 to 2-5 is check valve, 2-6 is mixed gas control valve, 2-7 is mixed gas heat exchanger bypass valve, 2-8 is defrost bypass valve, 2-9 and 2-10 are air-conditioning duct control valves in car, the 3rd, the two thermal source use devices of the outer combined type air-water of car, the 4th, liquid storage dryer, 5-1 is mixed gas choke valve, 5-2 is mixed gas heat exchanger, 5-3 is mixed gas check-valves, the 6th, the low pressure choke valve, the 7th, two heat-exchanger rigs in car, the 8th, gas-liquid separator, 9-1 is the waste heat water-cooled radiator cooler of motor, 9-2 is the motor cooling water pump, 9-3 to 9-5 is motor waste heat circulation control valve, 9-6 is the outer motor waste heat radiator of car, 9-7 is motor waste heat radiator in car, the 10th, fin, the 11st, snakelike heat radiation aluminium strip, the 12nd, the cylinder header, the 13rd, partition, the 14th, inner tube, the 15th, annular space, the 16th, outer tube, the 17th, pipe with small pipe diameter cylinder header, the 18th, Large Diameter Pipeline cylinder header, the 20th, closed water jacket inner casing, the 21st, closed water jacket shell, the 22nd, the cooling water channel dividing plate, the 23rd, the axial direct rib, the 24th, built-in air-cooling fan, the 25th, the built-in gas mixed hole of compressor, the 26th, the built-in gas mixed hole interface channel of compressor, the 27th, be connected with the built-in gas mixed hole interface channel of the compressor other end and be fixed on external snap joint on compressor housing, the 28th, compressor housing, the 29th, motor, the 30th, the compressor static vortex, the 31st, compress motor-driven vortex, the 32nd, compressor air suction snap joint, the 33rd, compressor air-discharging snap joint.
The specific embodiment
The present invention is further described below with reference to embodiment (accompanying drawing), but does not limit the present invention.
As shown in Figure 1, combined gas-water double heat source heat pump type electromobile air-conditioning system of the present invention is characterized in that: described air-conditioning system comprises two heat-exchanger rigs 7 in the two thermal source use devices 3 of the outer combined type air-water of automobile-used totally-enclosed frequency conversion type air conditioning compressor 1, car that driven by direct current generator, car, liquid storage dryer 4, gas-liquid separator 8, low pressure choke valve 6, the mixed gas of cooling compressor synergy system, power motor residual neat recovering system, system model switching device shifter etc.The two thermal source use devices 3 of the outer combined type air-water of described car are the integral type structure; In car, two heat-exchanger rigs 7 are knockdown grading heating device; The two thermal source use devices of the outer combined type air-water of described integral in-vehicle are any one in fin-pipe bushing type, laminates pipe box tubular type or parallel stream flat pipe double pipe heat exchanger, and all have heat pump fluid, motor waste heat auxiliary thermal source and three medium channels of Cryogenic air thermal source.In described car, two heat-exchanger rigs are installed and are formed by air-heat pump fluid two media heat exchangers and air-motor waste heat auxiliary thermal source two media heat exchanger combinations.Described air-heat pump fluid two media heat exchangers and air-motor waste heat auxiliary thermal source two media heat exchangers all can be divided into the forms such as fin-tube type heat exchanger, stacked heat exchanger and parallel flow heat exchanger.Described system model switching device shifter is comprised of function control valve 2-1, mixed gas control valve 2-6, mixed gas heat exchanger bypass valve 2-7, defrost bypass valve 2-8, first, second, third and fourth check valve 2-2,2-3,2-4,2-5, the first air-conditioning duct control valve 2-9 and the second air-conditioning duct control valve 2-10; Described automobile-used totally-enclosed frequency conversion type air conditioning compressor is made of compressor housing 28, motor 29, static vortex 30, moving vortex 31 and the mixed gas of cooling synergy system.compressor housing 28 is provided with compressor air suction snap joint 32 and compressor air-discharging snap joint 33, the mixed gas of described cooling compressor synergy system is comprised of the built-in cooling synergy of compressor air mixing machine structure and the outside mixed gas disposal of compressor and control device, the built-in cooling synergy of described compressor air mixing machine structure is by the built-in gas mixed hole 25 of compressor, the built-in gas mixed hole interface channel 26 of compressor and be connected with the built-in gas mixed hole interface channel of the compressor other end and the external snap joint 27 that is fixed on compressor housing forms, and is divided into low pressure air mixing machine structure, medium-pressure mechanism, three kinds of forms of high pressure air mixing machine structure, the built-in gas mixed hole 25 of the compressor of described low pressure air mixing machine structure is opened in housing part corresponding to compressor air suction chamber or is opened in the relevant position of compressor static vortex 30 and the second compression chamber corresponding part by the built-in gas mixed hole 25 of compressor that the fast three-way joint is connected with compressor suction duct, the built-in gas mixed hole 25 of compressor of described medium-pressure mechanism is opened in the relevant position of compressor static vortex 30 and the first compression chamber corresponding part, described high pressure air mixing machine structure, the outside mixed gas disposal of described compressor and control device are comprised of mixed gas choke valve 5-1, mixed gas heat exchanger 5-2, mixed gas check-valves 5-3, the mixed gas interface external connecting pipe of compressor, described automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 outlet is connected with two heat-exchanger rigs 7, gas-liquid separator 8 the corresponding interface in the two thermal source use devices 3 of the outer combined type air-water of car, car respectively by function control valve 2-1 and corresponding connecting line, described gas-liquid separator 8 automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 air entries of outlet access, two thermal source use device 3 another interfaces of the outer combined type air-water of described car connect the first check valve 2-2 outlet and the second check valve 2-3 entrance, the second check valve 2-3 outlet connects liquid storage dryer 4 and the 4th check valve 2-5 outlet, liquid storage dryer 4 outlet respectively with the entrance of mixed gas control valve 2-6, the first entrance of the entrance of mixed gas heat exchanger bypass valve 2-7 and mixed gas heat exchanger 5-2 connects, mixed gas heat exchanger bypass valve 2-7 exports and mixes gas heat exchanger 5-2 the first outlet and connects low pressure choke valve 6 entrances and defrost bypass valve 2-8 entrance, 6 outlets of low pressure choke valve connect the first check valve 2-2 entrance and the 3rd check valve 2-4 entrance, defrost bypass valve 2-8 outlet connects the first check valve 2-2 entrance and the 3rd check valve 2-4 entrance, the 3rd check valve 2-4 outlet connects two heat-exchanger rig 7 entrances and the 4th check valve 2-5 entrance in car, described mixed gas control valve 2-6 outlet connects mixed gas choke valve 5-1 entrance, mixed gas choke valve 5-1 outlet connects mixed gas heat exchanger 5-2 the second entrance, mixed gas heat exchanger 5-2 the second outlet connects mixed gas check-valves 5-3 entrance, and mixed gas check-valves 5-3 outlet connects the mixed gas port of automobile-used totally-enclosed frequency conversion type air conditioning compressor, the first air-conditioning duct control valve 2-9 is arranged on the air outlet place of air-conditioning duct in car, the second air-conditioning duct control valve 2-10 is arranged on the air inlet place of air-conditioning duct in car, the waste heat recovery control device that described power motor residual neat recovering system comprises the two thermal source use devices 3 of the outer combined type air-water of car, the waste heat water-cooled radiator cooler 9-1 of motor, motor cooling water pump 9-2, the first air-motor waste heat auxiliary thermal source two media heat exchanger 9-7, the second air-motor waste heat auxiliary thermal source two media heat exchanger 9-6, is made of the first motor waste heat circulation control valve 9-3, the second motor waste heat circulation control valve 9-4 and the 3rd motor waste heat circulation control valve 9-5, the outlet of the waste heat water-cooled radiator cooler 9-1 of wherein said motor connects motor cooling water pump 9-2 import, motor cooling water pump 9-2 outlet connects respectively the first waste heat recovery control valve 9-3 import, the second waste heat recovery control valve 9-4 import and the 3rd waste heat recovery control valve 9-5 import, the first waste heat recovery control valve 9-3 outlet connects the import of the first air of being arranged in car in air-conditioning duct and being arranged on two heat-exchanger rig 7 air outlet one sides in car-motor waste heat auxiliary thermal source two media heat exchanger 9-7, the first air-motor waste heat auxiliary thermal source two media heat exchanger 9-7 outlets connect the waste heat water-cooled radiator cooler 9-1 of motor import, the second waste heat recovery control valve 9-4 outlet connects the corresponding interface of the two thermal source use devices 3 of the outer combined type air-water of car, the 3rd waste heat recovery control valve 9-5 outlet connects the second air-motor waste heat auxiliary thermal source two media heat exchanger 9-6 imports, the second air-motor waste heat auxiliary thermal source two media heat exchanger 9-6 outlets connect respectively two thermal source use device 3 the corresponding interface of the outer combined type air-water of car and the waste heat water-cooled radiator cooler 9-1 of motor import.
Two heat exchange source apparatus 7 are arranged in car in the air channel by the first air-motor waste heat auxiliary thermal source two media heat exchanger 9-7 and the two media heat exchangers combinations of air-heat pump fluid in described car, and combination is that the first air-motor waste heat auxiliary thermal source two media heat exchanger 9-7 are placed in air-heat pump fluid two media heat exchanger air outlet one sides; The first air-conditioning duct control valve 2-9 is arranged on the air outlet place mutual switching of mist air outlet and Che Nei air outlet (can realize defrosting /) of air-conditioning duct in car; The second air-conditioning duct control valve 2-10 is arranged on the air inlet place mutual switching of car external air inlet (can realize in car) of air-conditioning duct in car.
Power motor residual neat recovering system described in the present invention is comprised of the two thermal source use devices 3 of the outer combined type air-water of car, the waste heat water-cooled radiator cooler 9-1 of motor, motor cooling water pump 9-2, first, second and third motor waste heat circulation control valve 9-3,9-4,9-5, first and second air-motor waste heat auxiliary thermal source two media heat exchanger 9-7,9-6 and connecting pipe.
As shown in Figure 2, described fin-tube type two media heat exchangers put aluminium fin 10 by copper or aluminium matter pipe and form, and pipe inner formation auxiliary thermal source or heat pump fluid medium channel, pipe outer surface and fin consist of Cryogenic air heat source medium passage.
As shown in Figure 3, Figure 4, described stacked two media heat exchangers are to be laminated by a plurality of unit, each unit is stacked and is formed auxiliary thermal source or heat pump fluid medium channel by two sizes, aluminium sheet that shape is identical (for any form of plane or corrugated surface), forms Cryogenic air heat source medium passage by snakelike heat radiation aluminium strip 11 between every two defrosting auxiliary thermal sources or heat pump fluid medium channel.
As Fig. 5, Fig. 6, shown in Figure 7, described parallel flow type two media heat exchangers are comprised of corrugated heat radiation fin and the tube connector installed between a plurality of parallel aluminum internal-rib flat tubes of two cylinder headers 12,12 installations of two cylinder headers, aluminum internal-rib flat tube.Described aluminum internal-rib flat tube is that the flat tube inwall is equipped with a plurality of fins, consists of a plurality of microchannels.The inner microchannel of cylinder header inside and aluminum internal-rib flat tube consists of defrosting auxiliary thermal source or heat pump fluid medium channel, and aluminum internal-rib flat tube outer surface and corrugated heat radiation fin consist of Cryogenic air heat source medium passage.
As shown in Figure 8, the two thermal source use devices of the outer combined type air-water of described fin-pipe bushing type car are set in together by the pipe of two different tube diameters, be that the pipe with small pipe diameter inner tube is installed in the tube chamber of Large Diameter Pipeline outer tube, the outer wall cover of Large Diameter Pipeline outer tube has fin, and consists of the outer surface of auxiliary thermal source passage, Large Diameter Pipeline outer tube and annular space that fin consists of between Cryogenic air thermal source passage, inner tube and outer tube consists of the heat pump fluid passage by the tube chamber of pipe with small pipe diameter inner tube.
As Fig. 9, shown in Figure 10, the two thermal source use devices of the outer combined type air-water of described laminates pipe box tubular type car are that the sheet pipe-in-pipe unit by the snakelike heat radiation aluminium strip of a plurality of tyres is laminated, each unit is fitted together by the identical big or small slice pipe box of shape that two aluminium sheets (for any form of plane or corrugated surface) are welded into, form the auxiliary thermal source medium channel in the small pieces pipe, form heat pump fluid passage, large stretch of tube outer surface and snakelike heat radiation aluminium strip between the big or small slice pipe and consist of Cryogenic air heat source medium passage.
As Figure 11, Figure 12, shown in Figure 13, the two thermal source use devices of the outer combined type air-water of described parallel stream flat pipe bushing type car are comprised of many groups of the parallel stream flat pipe-in-pipe that are arranged in parallel, corrugated heat radiation fin and the tube connectors between the parallel stream flat pipe-in-pipe installing between two cylinder afflux sleeve pipes, two cylinder afflux sleeve pipes; Described cylinder afflux sleeve pipe is set in together by the pipe of two different tube diameters, be that the pipe with small pipe diameter inner tube is installed in the tube chamber of Large Diameter Pipeline outer tube, the annular space that the tube chamber of pipe with small pipe diameter inner tube consists of between auxiliary thermal source passage, inner tube and outer tube consists of the heat pump fluid passage.Described parallel stream flat pipe-in-pipe is set in together by two aluminium flats that shape is identical, cross-sectional area is different, and the interior flat tube that cross-sectional area is little is installed in the tube chamber of the large outer flat tube of cross-sectional area.A plurality of fins are equipped with in wherein said interior flat tube inside, consist of a plurality of microchannels, and form the auxiliary thermal source medium channel; Ring-like space between inside and outside flat tube is provided with a plurality of fins, consists of a plurality of microchannels, and forms the heat pump fluid passage; Outer flat tube outer surface and corrugated heat radiation fin form Cryogenic air heat source medium passage.
Mixed gas circulation (as shown in figure 14), refrigerant liquid is divided into two-way after condenser flows out, and one the tunnel enters major cycle, through the heat exchange of overmulling gas heat exchanger, enters evaporimeter after the low pressure choke valve, is sucked by the compressor air entry at last; Another road enters mixed gas circulation, enters mixed gas heat exchanger heat exchange after overmulling moral stream valve, becomes gaseous state after cooling major cycle cold-producing medium, enters compressor by the mixed gas interface of compressor at last.Its principle is: fill into the refrigerant gas of a certain amount of a certain intermediate pressure to compressor centre position or suction location by mixed air circuit, to reach delivery temperature with compressor from T
e' be reduced to T
ePurpose, and can increase to a certain extent the capacity of compressor, thereby improve total heating capacity of heat pump cycle; Simultaneously through the high pressure refrigerant liquid of overmulling gas heat exchanger main road by T
fBe cooled to T
g, make the caloric receptivity that has increased from outdoor Cryogenic air thermal source, thereby improve operational efficiency and the reliability of heat pump.
As Figure 15, Figure 16, Figure 17, shown in Figure 180, automobile-used totally-enclosed frequency conversion type air conditioning compressor described in the present invention is made of compressor housing 28, motor 29, static vortex 30, moving vortex 31 and the mixed gas of cooling synergy system.Compressor housing 28 is provided with compressor air suction snap joint 32 and compressor air-discharging snap joint 33.The mixed gas of cooling compressor synergy system is comprised of the built-in cooling synergy of compressor air mixing machine structure and the outside mixed gas disposal of compressor and control device; The built-in cooling synergy of described compressor air mixing machine structure is by the built-in gas mixed hole 25 of compressor, the built-in gas mixed hole interface channel 26 of compressor and be connected with the built-in gas mixed hole interface channel of the compressor other end and the external snap joint 27 that is fixed on compressor housing forms, and is divided into low pressure air mixing machine structure, medium-pressure mechanism, three kinds of forms of high pressure air mixing machine structure; Described low pressure is mixed gas (as Figure 15,16), and heat pump fluid enters the compressor air suction chamber to be mixed with superheated steam.The compressor gas mixed hole can be opened on compressor suction duct or be connected with compressor suction duct by the fast three-way joint, make low pressure mix gas elder generation and compressor air suction mixes after more compressed machine air entry enter the compressor air suction chamber.Described medium-pressure (as Figure 17), heat pump fluid enter the intermediate pressure cavity of compressor sound vortex formation to be mixed with the superheated steam that is compressed to intermediate pressure.The built-in gas mixed hole 25 of compressor is opened in the relevant position of compressor static vortex 30 and the first compression chamber corresponding part and is connected with external snap joint 27 on being fixed on the compressor air-discharging cavity shell by the built-in gas mixed hole interface channel 26 of compressor.Described high pressure mixes gas (as Figure 18), and mix with the superheated steam that is compressed to high pressure in heat pump fluid enters that compressor sound vortex forms high pressure chamber.The built-in gas mixed hole 25 of compressor is opened in the relevant position of compressor static vortex 30 and the second compression chamber corresponding part and is connected with external snap joint 27 on being fixed on the compressor air-discharging cavity shell by the built-in gas mixed hole interface channel 26 of compressor.The outside mixed gas disposal of described compressor and control device are comprised of mixed gas choke valve 5-1, mixed gas heat exchanger 5-2, mixed gas check-valves 5-3, the mixed gas interface external connecting pipe of compressor;
Mixed gas choke valve 5-1 described in the present invention is any one reducing pressure by regulating flow device in electric expansion valve, heating power expansion valve, capillary or restriction sleeve; Described mixed gas heat exchanger 5-2 is that reducing bushing formula, interval are board-like, any one in case tubular type or shell and tube exchanger.
The automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 by the direct current generator driving described in the present invention is any one in piston type, vortex, triangle rotor type compressor, and described automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 is enclosed in same closed shell with direct current generator.
As Figure 19, shown in Figure 20, the waste heat water-cooled radiator cooler 9-1 of described motor comprises closed water jacket inner casing 20, the closed water jacket shell 21 as motor housing and is connected to cooling water channel dividing plate 22 between closed water jacket inside and outside shell, be provided with the some axial direct ribs 23 that consist of cooling air channel on closed water jacket inner casing 20 inwalls, in the ring cavity that is consisted of by some axial direct rib 23 inner faces, direct current generator is installed, an axle head at motor shaft is equipped with built-in air-cooling fan 24, and jointly consists of electric machine built-in air cooling mechanism by axial direct rib 23 and built-in air-cooling fan 24.
The present invention is described each mode of operation respectively below with reference to Figure 21,22,23,24,25:
As shown in figure 21, when air-conditioning system is in refrigeration mode, cold-producing medium is compressed into the refrigerant vapour of HTHP through automobile-used totally-enclosed frequency conversion type air conditioning compressor 1, this steam enters through function control valve 2-1 the liquid refrigerant that becomes HTHP outside car after the two thermal source use device 3 heat pump fluid passage heat radiations of combined type air-water, discharges outdoor after air themperature raises.The liquid cold-producing medium of HTHP flows to low pressure choke valve 6 by device for drying and filtering 4 after super-dry, filtration.Through the throttling of low pressure choke valve, state occurs sharply to change, and becomes the liquid refrigerant of low-temp low-pressure.Evaporate in air-heat pump fluid two media heat exchangers of low-temp low-pressure liquid refrigerant two heat-exchanger rigs 7 in car, the liquid refrigerant of low-temp low-pressure becomes the gaseous refrigerant of low-temp low-pressure, thereby is sent to indoor after air themperature is reduced.After the gaseous refrigerant process function control valve 2-1 of low-temp low-pressure, turn back to automobile-used totally-enclosed frequency conversion type air conditioning compressor 1.The circulation that goes round and begins again has so just realized the refrigerating function of air-conditioning system.At this moment, mixed gas heat exchanger bypass valve 2-7 opens; Mixed gas control valve 2-6, defrost bypass valve 2-8 and first and second motor waste heat circulation control valve 9-3 and 9-4 close, and the 3rd motor waste heat circulation control valve 9-5 opens.Motor waste heat cooling water passes through motor cooling water pump 9-2, the 3rd motor waste heat circulation control valve 9-5, the second air-motor waste heat auxiliary thermal source two media heat exchanger 9-6 successively after the waste heat water-cooled radiator cooler 9-1 of motor flows out, return the waste heat water-cooled radiator cooler 9-1 of motor.
As shown in figure 22, when air-conditioning system is in common heating mode, cold-producing medium is compressed into the refrigerant vapour of HTHP through automobile-used totally-enclosed frequency conversion type air conditioning compressor 1, this steam becomes the liquid refrigerant of HTHP after two heat-exchanger rig 7 heat pump fluid passage heat radiations into the car through function control valve 2-1, thereby air themperature is raise.The liquid cold-producing medium of HTHP flows to low pressure choke valve 6 by device for drying and filtering 4 after super-dry, filtration.Through the throttling of low pressure choke valve, state occurs sharply to change, and becomes the liquid refrigerant of low-temp low-pressure.Evaporate in the two thermal source use devices 3 of low-temp low-pressure liquid refrigerant combined type air-water outside car, the liquid refrigerant of low-temp low-pressure becomes the gaseous refrigerant of low-temp low-pressure.After the gaseous refrigerant process function control valve 2-1 of low-temp low-pressure, turn back to automobile-used totally-enclosed frequency conversion type air conditioning compressor 1.The circulation that goes round and begins again has so just realized the heat-production functions of air-conditioning system.At this moment, mixed gas control valve 2-6, defrost bypass valve 2-8 close, and mixed gas heat exchanger bypass valve 2-7, first and second motor waste heat circulation control valve 9-3 and 9-4 open, the 3rd motor waste heat circulation control valve 9-5 closes.Motor waste heat cooling water flows out through being divided into two-way after motor cooling water pump 9-2 from the waste heat water-cooled radiator cooler 9-1 of motor, and one the tunnel successively through getting back to the waste heat water-cooled radiator cooler 9-1 of motor after the first air of two heat-exchanger rigs 7 in the first motor waste heat circulation control valve 9-3, car-motor waste heat auxiliary thermal source two media heat exchanger 9-7; Another road is successively through getting back to the waste heat water-cooled radiator cooler 9-1 of motor after the second motor waste heat circulation control valve 9-4, the two thermal source use devices 3 of the outer combined type air-water of car.
As shown in figure 23, when outdoor temperature was the ultra-low temperature surroundings temperature, air-conditioning system is in the mixed gas pattern that heats: mixed gas control valve 2-6 opened.Cold-producing medium is discharged through automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 exhaust outlet, through after two heat-exchanger rigs 7, check valve 2-5, liquid storage dryer 4, mixed gas heat exchanger 5-2, low pressure choke valve 6, check valve 2-2, the two thermal source use devices 3 of the outer combined type air-water of car, gas-liquid separator 8 in car, sucked from air entry by automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 successively; Another road cold-producing medium is discharged through automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 exhaust outlet, through after two heat-exchanger rigs 7, check valve 2-5, liquid storage dryer 4, mixed gas control valve 2-6, mixed gas choke valve 5-1, mixed gas heat exchanger 5-2, mixed gas check-valves 5-3 in car, enter automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 from the mixed gas port of automobile-used totally-enclosed frequency conversion type air conditioning compressor successively.At this moment, mixed gas heat exchanger bypass valve 2-7, defrost bypass valve 2-8 close, and first and second motor waste heat circulation control valve 9-3 and 9-4 open, and the 3rd motor waste heat circulation control valve 9-5 closes.Motor waste heat cooling water flows out through being divided into two-way after motor cooling water pump 9-2 from the waste heat water-cooled radiator cooler 9-1 of motor, and one the tunnel successively through getting back to the waste heat water-cooled radiator cooler 9-1 of motor after the first air of two heat-exchanger rigs 7 in the first motor waste heat circulation control valve 9-3, car-motor waste heat auxiliary thermal source two media heat exchanger 9-7; Another road is successively through getting back to the waste heat water-cooled radiator cooler 9-1 of motor after the second motor waste heat circulation control valve 9-4, the two thermal source use devices 3 of the outer combined type air-water of car.
As shown in figure 24, when air-conditioning system is in vehicle window vehicle window defrosting/demist, cold-producing medium is discharged through automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 exhaust outlet, through after two heat-exchanger rigs 7, gas-liquid separator 8 in the two thermal source use devices 3 of the outer combined type air-water of car, check valve 2-3, liquid storage dryer 4, mixed gas heat exchanger bypass valve 2-7, low pressure choke valve 6, check valve 2-4, car, sucked from air entry by automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 successively.This moment, mixed gas control valve 2-6 closed; Mixed gas heat exchanger bypass valve 2-7, defrost bypass valve 2-8, first and second motor waste heat circulation control valve 9-3 and 9-4 open, and motor waste heat circulation control valve 9-5 closes.Motor waste heat cooling water flows out through being divided into two-way after motor cooling water pump 9-2 from the waste heat water-cooled radiator cooler 9-1 of motor, and one the tunnel successively through getting back to the waste heat water-cooled radiator cooler 9-1 of motor after the first air of two heat-exchanger rigs 7 in the first motor waste heat circulation control valve 9-3, car-motor waste heat auxiliary thermal source two media heat exchanger 9-7; Another road is successively through getting back to the waste heat water-cooled radiator cooler 9-1 of motor after the second motor waste heat circulation control valve 9-4, the two thermal source use devices 3 of the outer combined type air-water of car.By regulating air-conditioning control valve 2-9 in car, hot-air is ejected into can be to vehicle window defrosting/demist on vehicle window.
As shown in figure 25, when the two thermal source use devices of combined type air-water defrost outside air-conditioning system is in car, cold-producing medium is compressed into the refrigerant vapour of HTHP through automobile-used totally-enclosed frequency conversion type air conditioning compressor 1, this steam becomes the liquid refrigerant of HTHP after two heat-exchanger rig 7 heat pump fluid passage heat radiations into the car through function control valve 2-1, thereby air themperature is raise.And the operation of auxiliary thermal source is further improved air themperature.The liquid cold-producing medium of HTHP flows to low pressure choke valve 6 by device for drying and filtering 4 after super-dry, filtration.Through the throttling of low pressure choke valve, state occurs sharply to change, and becomes the liquid refrigerant of low-temp low-pressure.Evaporate in the two thermal source use devices 3 of low-temp low-pressure liquid refrigerant combined type air-water outside car, the liquid refrigerant of low-temp low-pressure becomes the gaseous refrigerant of low-temp low-pressure.After the gaseous refrigerant process function control valve 2-1 of low-temp low-pressure, turn back to automobile-used totally-enclosed frequency conversion type air conditioning compressor 1.This moment, mixed gas control valve 2-6 closed; Mixed gas heat exchanger bypass valve 2-7, defrost bypass valve 2-8, first and second motor waste heat circulation control valve 9-3 and 9-4 open, and the 3rd motor waste heat circulation control valve 9-5 closes.Motor waste heat cooling water flows out through being divided into two-way after motor cooling water pump 9-2 from the waste heat water-cooled radiator cooler 9-1 of motor, and one the tunnel successively through getting back to the waste heat water-cooled radiator cooler 9-1 of motor after the first air of two heat-exchanger rigs 7 in the first motor waste heat circulation control valve 9-3, car-motor waste heat auxiliary thermal source two media heat exchanger 9-7; Another road is successively through getting back to the waste heat water-cooled radiator cooler 9-1 of motor after the second motor waste heat circulation control valve 9-4, the two thermal source use devices 3 of the outer combined type air-water of car.The design feature of the two thermal source use devices 3 of combined type air-water outer according to integral in-vehicle, auxiliary thermal source can first heat to improve its temperature to cold-producing medium, further heats the purpose that Cryogenic air reaches defrosting.
Claims (8)
1. combined gas-water double heat source heat pump type electromobile air-conditioning system is characterized in that: described air-conditioning system comprises two heat-exchanger rigs (7) in the two thermal source use devices (3) of the outer combined type air-water of automobile-used totally-enclosed frequency conversion type air conditioning compressor (1), car that driven by direct current generator, car, liquid storage dryer (4), gas-liquid separator (8), low pressure choke valve (6), the mixed gas of cooling compressor synergy system, power motor residual neat recovering system, system model switching device shifter etc., the two thermal source use devices (3) of the outer combined type air-water of described car are the integral type structure, in car, two heat-exchanger rigs (7) are knockdown grading heating device, described system model switching device shifter is comprised of function control valve (2-1), mixed gas control valve (2-6), mixed gas heat exchanger bypass valve (2-7), defrost bypass valve (2-8), first, second, third and fourth check valve (2-2,2-3,2-4,2-5), the first air-conditioning duct control valve (2-9) and the second air-conditioning duct control valve (2-10), described automobile-used totally-enclosed frequency conversion type air conditioning compressor is made of compressor housing (28), motor (29), static vortex (30), moving vortex (31) and the mixed gas of cooling synergy system, compressor housing (28) is provided with compressor air suction snap joint (32) and compressor air-discharging snap joint (33), the mixed gas of described cooling compressor synergy system is comprised of the built-in cooling synergy of compressor air mixing machine structure and the outside mixed gas disposal of compressor and control device, the built-in cooling synergy of described compressor air mixing machine structure is by the built-in gas mixed hole of compressor (25), the built-in gas mixed hole interface channel of compressor (26) and be connected with the built-in gas mixed hole interface channel of the compressor other end and the external snap joint (27) that is fixed on compressor housing forms, and is divided into low pressure air mixing machine structure, medium-pressure mechanism, three kinds of forms of high pressure air mixing machine structure, the built-in gas mixed hole of compressor (25) of described low pressure air mixing machine structure is opened in housing part corresponding to compressor air suction chamber or is connected with compressor suction duct by the fast three-way joint, the built-in gas mixed hole of compressor (25) of described medium-pressure mechanism is opened in the relevant position of compressor static vortex (30) and the first compression chamber corresponding part, the built-in gas mixed hole of compressor (25) of described high pressure air mixing machine structure is opened in the relevant position of compressor static vortex (30) and the second compression chamber corresponding part, the outside mixed gas disposal of described compressor and control device are comprised of mixed gas choke valve (5-1), mixed gas heat exchanger (5-2), mixed gas check-valves (5-3), the mixed gas interface external connecting pipe of compressor, described automobile-used totally-enclosed frequency conversion type air conditioning compressor (1) outlet is connected with the two thermal source use devices (3) of the outer combined type air-water of car, the interior two heat-exchanger rigs (7) of car, gas-liquid separator (8) the corresponding interface respectively by function control valve (2-1) and corresponding connecting line, described gas-liquid separator (8) outlet access automobile-used totally-enclosed frequency conversion type air conditioning compressor (1) air entry, two another interfaces of thermal source use device (3) of the outer combined type air-water of described car connect the first check valve (2-2) outlet and the second check valve (2-3) entrance, the second check valve (2-3) outlet connects liquid storage dryer (4) and the 4th check valve (2-5) outlet, liquid storage dryer (4) outlet respectively with the entrance of mixed gas control valve (2-6), the first entrance of the entrance of mixed gas heat exchanger bypass valve (2-7) and mixed gas heat exchanger (5-2) connects, mixed gas heat exchanger bypass valve (2-7) outlet and mixed gas heat exchanger (5-2) the first outlet connect low pressure choke valve (6) entrance and defrost bypass valve (2-8) entrance, low pressure choke valve (6) outlet connects the first check valve (2-2) entrance and the 3rd check valve (2-4) entrance, defrost bypass valve (2-8) outlet connects the first check valve (2-2) entrance and the 3rd check valve (2-4) entrance, the 3rd check valve (2-4) outlet connects two heat-exchanger rig (7) entrances and the 4th check valve (2-5) entrance in car, described mixed gas control valve (2-6) outlet connects mixed gas choke valve (5-1) entrance, mixed gas choke valve (5-1) outlet connects mixed gas heat exchanger (5-2) the second entrance, mixed gas heat exchanger (5-2) the second outlet connects mixed gas check-valves (5-3) entrance, and mixed gas check-valves (5-3) outlet connects the mixed gas port of automobile-used totally-enclosed frequency conversion type air conditioning compressor, the first air-conditioning duct control valve (2-9) is arranged on the air outlet place of air-conditioning duct in car, the second air-conditioning duct control valve (2-10) is arranged on the air inlet place of air-conditioning duct in car, described power motor residual neat recovering system comprises the two thermal source use devices (3) of the outer combined type air-water of car, the waste heat water-cooled radiator cooler of motor (9-1), motor cooling water pump (9-2), the first air-motor waste heat auxiliary thermal source two media heat exchangers (9-7), the second air-motor waste heat auxiliary thermal source two media heat exchangers (9-6), by the first motor waste heat circulation control valve (9-3), the waste heat recovery control device that the second motor waste heat circulation control valve (9-4) and the 3rd motor waste heat circulation control valve (9-5) consist of, the outlet of the waste heat water-cooled radiator cooler of wherein said motor (9-1) connects motor cooling water pump (9-2) import, motor cooling water pump (9-2) outlet connects respectively the first motor waste heat circulation control valve (9-3) import, the second motor waste heat circulation control valve (9-4) import and the 3rd motor waste heat circulation control valve (9-5) import, the first motor waste heat circulation control valve (9-3) outlet connects the import of the first air of being arranged in car in air-conditioning duct and being arranged on two heat-exchanger rig (7) air outlet one sides in car-motor waste heat auxiliary thermal source two media heat exchangers (9-7), the first air-motor waste heat auxiliary thermal source two media heat exchangers (9-7) outlet connects the waste heat water-cooled radiator cooler of motor (9-1) import, the second motor waste heat circulation control valve (9-4) outlet connects the corresponding interface of the two thermal source use devices (3) of the outer combined type air-water of car, the 3rd motor waste heat circulation control valve (9-5) outlet connects the second air-motor waste heat auxiliary thermal source two media heat exchangers (9-6) import, the second air-motor waste heat auxiliary thermal source two media heat exchangers (9-6) outlet connects respectively two thermal source use device (3) the corresponding interface of the outer combined type air-water of car and the waste heat water-cooled radiator cooler of motor (9-1) import.
2. combined gas-water double heat source heat pump type electromobile air-conditioning system according to claim 1, it is characterized in that: the waste heat water-cooled radiator cooler of described motor (9-1) comprises the closed water jacket inner casing (20) as motor housing, closed water jacket shell (21) and be connected to cooling water channel dividing plate (22) between closed water jacket inside and outside shell, be provided with the some axial direct ribs (23) that consist of cooling air channel on closed water jacket inner casing (20) inwall, direct current generator is installed in the ring cavity that is consisted of by some axial direct ribs (23) inner face, an axle head at motor shaft is equipped with built-in air-cooling fan (24), and jointly consist of electric machine built-in air cooling mechanism by axial direct rib (23) and built-in air-cooling fan (24).
3. combined gas-water double heat source heat pump type electromobile air-conditioning system according to claim 1, it is characterized in that: the described automobile-used totally-enclosed frequency conversion type air conditioning compressor (1) that is driven by direct current generator is any one in piston type, vortex, triangle rotor type compressor, and described automobile-used totally-enclosed frequency conversion type air conditioning compressor and direct current generator are enclosed in same closed shell.
4. combined gas-water double heat source heat pump type electromobile air-conditioning system according to claim 1 is characterized in that: the two thermal source use devices (3) of the outer combined type air-water of described car are the integral type structure; In car, two heat-exchanger rigs (7) are knockdown grading heating device; The two thermal source use devices of the outer combined type air-water of described integral in-vehicle are any one in fin-pipe bushing type, laminates pipe box tubular type or parallel stream flat pipe double pipe heat exchanger, and all have heat pump fluid, motor waste heat auxiliary thermal source and three medium channels of Cryogenic air thermal source.
5. combined gas-water double heat source heat pump type electromobile air-conditioning system according to claim 4, it is characterized in that: the two thermal source use devices of the outer combined type air-water of described fin-pipe bushing type car are set in together by the pipe of two different tube diameters, be that pipe with small pipe diameter inner tube (14) is installed in the tube chamber of Large Diameter Pipeline outer tube (16), the outer wall cover of Large Diameter Pipeline outer tube has fin, and consist of the auxiliary thermal source passage by the tube chamber of pipe with small pipe diameter inner tube, the outer surface of Large Diameter Pipeline outer tube and fin consist of Cryogenic air thermal source passage, annular space between inner tube and outer tube (15) consists of the heat pump fluid passage.
6. combined gas-water double heat source heat pump type electromobile air-conditioning system according to claim 4, it is characterized in that: the two thermal source use devices of the outer combined type air-water of described laminates pipe box tubular type car are that the sheet pipe-in-pipe unit by the snakelike heat radiation aluminium strip of a plurality of tyres is laminated, each unit is fitted together by the identical big or small slice pipe box of shape that the aluminium sheet of two planes or corrugated surface is welded into, form the auxiliary thermal source medium channel in the small pieces pipe, form the heat pump fluid passage between the big or small slice pipe, large stretch of tube outer surface and snakelike heat radiation aluminium strip consist of Cryogenic air heat source medium passage.
7. combined gas-water double heat source heat pump type electromobile air-conditioning system according to claim 4 is characterized in that: the two thermal source use devices of the outer combined type air-water of described parallel stream flat pipe bushing type car are comprised of many groups of the parallel stream flat pipe-in-pipe that are arranged in parallel, corrugated heat radiation fin and the tube connectors between the parallel stream flat pipe-in-pipe installing between two cylinder afflux sleeve pipes, two cylinder afflux sleeve pipes; Described cylinder afflux sleeve pipe is set in together by the pipe of two different tube diameters, be that the pipe with small pipe diameter inner tube is installed in the tube chamber of Large Diameter Pipeline outer tube, the annular space that the tube chamber of pipe with small pipe diameter inner tube consists of between auxiliary thermal source passage, inner tube and outer tube consists of the heat pump fluid passage; Described parallel stream flat pipe-in-pipe is set in together by two aluminium flats that shape is identical, cross-sectional area is different, and the interior flat tube that cross-sectional area is little is installed in the tube chamber of the large outer flat tube of cross-sectional area; A plurality of fins are equipped with in wherein said interior flat tube inside, consist of a plurality of microchannels, and form the auxiliary thermal source medium channel; Ring-like space between inside and outside flat tube is provided with a plurality of fins, consists of a plurality of microchannels, and forms the heat pump fluid passage; Outer flat tube outer surface and corrugated heat radiation fin form Cryogenic air heat source medium passage.
8. combined gas-water double heat source heat pump type electromobile air-conditioning system according to claim 4, it is characterized in that: two heat-exchanger rigs (7) are arranged in car in the air channel by air-motor waste heat auxiliary thermal source two media heat exchangers and the two media heat exchangers combinations of air-heat pump fluid in described car, and combination is that air-motor waste heat auxiliary thermal source two media heat exchangers are placed in air-heat pump fluid two media heat exchanger air outlet one sides; Described air-motor waste heat auxiliary thermal source two media heat exchangers and air-heat pump fluid two media heat exchangers are any one version in fin-tube type, stacked or parallel flow heat exchanger.
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| CN2011102070626A CN102331048B (en) | 2011-07-23 | 2011-07-23 | Air conditioning system of combined-type gas-water dual-heat-source heat-pump-type electric automobile |
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| CN2011102070626A CN102331048B (en) | 2011-07-23 | 2011-07-23 | Air conditioning system of combined-type gas-water dual-heat-source heat-pump-type electric automobile |
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| CN105307883B (en) * | 2013-06-04 | 2017-04-12 | 株式会社电装 | Vehicular heat management system |
| JPWO2015008463A1 (en) * | 2013-07-17 | 2017-03-02 | パナソニックＩｐマネジメント株式会社 | Air conditioner for vehicle and component unit thereof |
| CN106595151A (en) * | 2016-12-30 | 2017-04-26 | 中原工学院 | Three-stage combined type fast defrosting system of refrigeration device with intelligent control |
| JP6458079B2 (en) * | 2017-05-19 | 2019-01-23 | 本田技研工業株式会社 | Air conditioner |
| DE102017219888A1 (en) * | 2017-11-08 | 2019-05-09 | Volkswagen Aktiengesellschaft | Method for operating a heat pump |
| CN108715125A (en) * | 2018-08-01 | 2018-10-30 | 苏州赛普瑞新能源汽车空调有限公司 | A kind of heat management system of new-energy automobile |
| CN108725137A (en) * | 2018-08-01 | 2018-11-02 | 苏州赛普瑞新能源汽车空调有限公司 | A kind of heat exchange module of new-energy automobile |
| CN108773257A (en) * | 2018-08-01 | 2018-11-09 | 苏州赛普瑞新能源汽车空调有限公司 | The heat management system of new-energy automobile |
| CN108709342B (en) * | 2018-08-01 | 2024-03-29 | 苏州赛普瑞新能源汽车空调有限公司 | New energy automobile water-cooled condenser |
| CN118248900B (en) * | 2024-05-27 | 2024-08-13 | 山东国创燃料电池技术创新中心有限公司 | Gas circulation system and control method thereof |
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Address after: 459000 No. 6 high-tech industry agglomeration area, Henan, Jiyuan Patentee after: HENAN BEIDI NEW ENERGY REFRIGERATION INDUSTRY Co.,Ltd. Patentee after: ZHONGYUAN University OF TECHNOLOGY Address before: Jiyuan City, Henan province 454652 Jiaozuo Asia Bridge mound head Patentee before: Qiyuan Beidi Geothermal Energy Resources Central Air Conditioning Equipment Co.,Ltd. Patentee before: Zhongyuan University of Technology |
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