CN202229328U - Ultralow temperature heat source heat pump type electromobile air-conditioning system - Google Patents
Ultralow temperature heat source heat pump type electromobile air-conditioning system Download PDFInfo
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- CN202229328U CN202229328U CN201120261922XU CN201120261922U CN202229328U CN 202229328 U CN202229328 U CN 202229328U CN 201120261922X U CN201120261922X U CN 201120261922XU CN 201120261922 U CN201120261922 U CN 201120261922U CN 202229328 U CN202229328 U CN 202229328U
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Abstract
The utility model provides an ultralow temperature heat source heat pump type electromobile air-conditioning system which is characterized by comprising an automobile fully-closed frequency conversion air condition compressor driven by a direct current driver, an outside air heat exchanger, an inside air heat exchanger, a storage liquid dryer, an air-liquid separator, a lower pressure throttle valve, a compressor cooling synergy air mixing system, an auxiliary electric heater, a system mode switching device and the like, wherein the compressor comprises a shell, a motor, a fixed vortex body, a movable vortex body and a cooling synergy air mixing system, and the compressor cooling synergy air mixing system comprises an internal compressor cooling synergy air mixing mechanism and an external compressor air mixing treating and controlling device. The ultralow temperature heat source heat pump type electromobile air-conditioning system can realize five working modes including electromobile refrigerating, common heating, low temperature heating, window defrosting/demisting, and defrosting of the outside air heat changer; and the ultralow temperature heat source heat pump type electromobile air-conditioning system can carry out normal heating circulation under the outdoor ultralow temperature environment by the compressor cooling synergy air mixing system and the auxiliary electric heater.
Description
Technical field
The utility model relates to a kind of automotive air-conditioning system, relates to a kind of ultralow temperature heat source heat pump type electric automobile air-conditioning system specifically.
Background technology
Along with the development of electric vehicle engineering, the electric automobile air-conditioning is also increasing to the restriction of its development, and its reason is: owing to lacked explosive motor, winter heating receives very big restriction.The electric automobile air-conditioning system of exploitation is too high at the low excessively compressor exhaust temperature that causes of outdoor environment temperature at present; It can't normally be moved when low-temperature heat supply; So system model that adopts refrigeration system and electrical heating to cooperatively interact and move basically; Thereby power consumption when having increased Winter heat supply greatly, had a strong impact on electric automobile the application of northern area with popularize.
Summary of the invention
Existing weak point and a kind of ultralow temperature heat source heat pump type electric automobile air-conditioning system is provided in the prior art shown in the purpose of the utility model is directed against just.This automotive air-conditioning system can solve the electric automobile air-conditioning system of present exploitation and cross the problem that can't normally heat when hanging down in outdoor temperature.
The purpose of the utility model can realize through following technique measures:
The ultralow temperature heat source heat pump type electric automobile air-conditioning system of the utility model comprises by air heat exchanger, liquid storage drier, gas-liquid separator, low pressure choke valve, the mixed gas system of cooling compressor synergy, electrical auxiliary heater, system model switching device shifter etc. in the automobile-used totally-enclosed frequency conversion type air conditioning compressor of direct current generator driving, car outer air heat exchanger, the car; Wherein said automobile-used totally-enclosed frequency conversion type air conditioning compressor mixes the gas system by compressor housing, motor, static vortex, moving vortex and cooling synergy and constitutes; Said cooling compressor synergy mixes the gas system and is made up of mixed gas disposal of the built-in cooling synergy of compressor air mixing machine structure and compressor outside and control device; The built-in cooling synergy of said compressor air mixing machine structure is connected by the built-in gas mixed hole of compressor, the built-in gas mixed hole interface channel of compressor and with the built-in gas mixed hole interface channel of the compressor other end and the external snap joint that is fixed on the compressor housing is formed, and is divided into low pressure air mixing machine structure, middle pressure air mixing machine structure, three kinds of forms of high pressure air mixing machine structure; The built-in gas mixed hole of compressor of said low pressure air mixing machine structure is opened in the corresponding housing part in compressor air suction chamber or is opened in the relevant position of the compressor static vortex and the second compression chamber counterpart through 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 said middle pressure air mixing machine structure is opened in the relevant position of the compressor static vortex and the first compression chamber counterpart, said high pressure air mixing machine structure; Outside mixed gas disposal of said compressor and control device are mixed gas interface external connecting pipe and are formed by mixed gas choke valve, mixed gas heat exchanger, mixed gas check-valves, compressor.Said mixed gas choke valve is any one throttling dropping equipment in electric expansion valve, heating power expansion valve, capillary or the restriction sleeve; Said mixed gas heat exchanger is reducing bushing formula, any one in board-like, case tubular type or the shell and tube exchanger at interval; Said system model switching device shifter by the function control valve, mix gas control valve, mix gas heat exchanger bypass valve, defrost bypass valve, first check valve to the, four check valves, the first air-conditioning duct control valve and the second air-conditioning duct control valve and forms (can realize the electric automobile air-conditioning system refrigeration, commonly heat, low temperature mixes that gas heats, vehicle window defrosting/demist and five kinds of mode of operations switchings of car outer air heat exchanger defrosting); Said automobile-used totally-enclosed frequency conversion type air conditioning compressor outlet through function control valve and corresponding connecting line respectively with car outer air heat exchanger, car in air heat exchanger, gas-liquid separator the corresponding interface be connected; Said gas-liquid separator outlet inserts automobile-used totally-enclosed frequency conversion type air conditioning compressor air suction mouth; Said another interface of car outer air heat exchanger connects outlet of first check valve and second check valve inlet; The outlet of second check valve connects liquid storage drier and the outlet of the 4th check valve; The liquid storage dryer export is connected with first inlet of the inlet of mixed gas control valve, the inlet that mixes gas heat exchanger bypass valve and mixed gas heat exchanger respectively; Mixed gas heat exchanger bypass valve outlet port and first outlet of mixed gas heat exchanger connect low pressure choke valve inlet and defrost bypass valve inlet; The outlet of low pressure choke valve connects first check valve inlet and the 3rd check valve inlet; The defrost bypass valve outlet connects first check valve inlet and the 3rd check valve inlet, and the outlet of the 3rd check valve connects air heat exchanger inlet and the 4th check valve inlet in the car; Said mixed gas control valve outlet connects and mixes moral stream valve inlet, mixes moral stream valve outlet port and connects and mix gas heat exchanger second inlet, mixes second outlet of gas heat exchanger and connects and mix gas check-valves inlet, mixes the outlet of gas check-valves and connects automobile-used totally-enclosed frequency conversion type air conditioning compressor and mix gas port; Electrical auxiliary heater is arranged in the interior air-conditioning duct of car and is installed in air heat exchanger air outlet one side in the car; The first air-conditioning duct control valve is installed in the air outlet place mutual switching of mist air outlet and Che Nei air outlet (can realize defrosting /) of air-conditioning duct in the car; The air inlet place of air-conditioning duct in the second air-conditioning duct control valve car mutual switching of car external air inlet (can realize in the car).
The described automobile-used totally-enclosed frequency conversion type air conditioning compressor that is driven by direct current generator of the utility model is any one in piston type, vortex, the three-apexed rotor formula compressor, and described automobile-used totally-enclosed frequency conversion type air conditioning compressor and direct current generator are enclosed in the same closed shell.
The said electrical auxiliary heater of the utility model is that power is realized the assistant heating to air in the car with the vehicle power.Can realize electric automobile air-conditioning system refrigeration, commonly heat, low temperature mixes that gas heats, vehicle window defrosting/demist and five kinds of mode of operations of car outer air heat exchanger defrosting are switched.
More specifically say; The utility model is formed on the structure from system can be divided into the 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, and the function control valve connects car outer air heat exchanger interface, and another interface of car outer air heat exchanger connects outlet of first check valve and second check valve inlet; The outlet of second check valve connects liquid storage drier and the outlet of the 4th check valve; The liquid storage dryer export connects and mixes gas heat exchanger first inlet and the mixed gas heat exchanger bypass valve inlet, mixes first outlet of gas heat exchanger and connects low pressure choke valve inlet, mixes gas heat exchanger bypass valve outlet port and connects low pressure choke valve inlet and defrost bypass valve inlet; The outlet of low pressure choke valve connects first check valve inlet and the 3rd check valve inlet; The defrost bypass valve outlet connects first check valve inlet and the 3rd check valve inlet, and the outlet of the 3rd check valve connects air heat exchanger inlet in the car, air heat exchanger outlet connection function control valve in the car; The function control valve connects the gas-liquid separator inlet, and 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.
Mixing the 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 car outer air heat exchanger interface; Another interface of car outer air heat exchanger connects outlet of first check valve and second check valve inlet; The outlet of second check valve connects liquid storage drier and the outlet of the 4th check valve; The liquid storage dryer export connects and mixes the gas control valve inlet, mixes the gas control valve outlet and connects and mix moral stream valve inlet, mixes moral stream valve outlet port and connects and mix gas heat exchanger second inlet; Mix second outlet of gas heat exchanger and connect mixed gas check-valves inlet, mix the outlet of gas check-valves and connect the mixed gas port of automobile-used totally-enclosed frequency conversion type air conditioning compressor that direct current generator drives.
Described system model switching device shifter can be realized the mutual switching that automobile-used totally-enclosed frequency conversion type air conditioning compressor outlet is connected with car outer air heat exchanger interface, automobile-used totally-enclosed frequency conversion type air conditioning compressor outlet is connected with the interior air heat exchanger interface of car, the gas-liquid separator inlet is connected with another interface of car outer air heat exchanger, the gas-liquid separator inlet is connected with interior another interface of air heat exchanger of car through the function control valve.Mixed gas control valve can realize that the liquid storage dryer export links to each other with mixed air circuit.First check valve, 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 shared refrigeration pipes of system model of car outer air heat exchanger defrosting and equipment; Mix gas heat exchanger bypass valve and can realize bypass mixing the 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 the car, the mutual switching of car external air inlet.
The utility model adopts gas mixing device to solve conventional automotive air-conditioning system and crosses the problem that can't normally move when hanging down in outdoor temperature.Cooling compressor synergy mixes the gas system and is made up of mixed gas disposal of the built-in cooling synergy of compressor air mixing machine structure and compressor outside and control device the mixed gas system of cooling compressor synergy; The built-in cooling synergy of said compressor air mixing machine structure is connected by the built-in gas mixed hole of compressor, the built-in gas mixed hole interface channel of compressor and with the built-in gas mixed hole interface channel of the compressor other end and the external snap joint that is fixed on the compressor housing is formed, and is divided into low pressure air mixing machine structure, middle pressure air mixing machine structure, three kinds of forms of high pressure air mixing machine structure; Mix the gas heat exchanger and can be divided into reducing bushing formula, board-like, case tubular type and shell-tube type etc. at interval.Mix the gas choke valve and can adopt any one throttling dropping equipment in electric expansion valve, heating power expansion valve, capillary or the restriction sleeve.Mix the gas check-valves and can realize mixing the maximization of tolerance, strengthen and mix the gas effect.
It is following to mix the gas circulation theory, and refrigerant liquid is divided into two-way after condenser flows out, and one the tunnel gets into major cycle, through the heat exchange of overmulling gas heat exchanger, behind the low pressure choke valve, gets into evaporimeter, is compressed the machine air entry at last and sucks; Another road gets into mixes the gas circulation, behind overmulling moral stream valve, gets into and mixes the heat exchange of gas heat exchanger, becomes gaseous state behind the cooling major cycle cold-producing medium, mixes gas port by compressor at last and gets into compressor.Its principle is: mend the refrigerant gas into a certain amount of a certain intermediate pressure through mixing air circuit to compressor centre position or suction location, to reach delivery temperature with compressor from T
e' be reduced to T
ePurpose, and can increase the capacity of compressor to a certain extent, 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, making has increased from the caloric receptivity of outdoor Cryogenic air thermal source, thereby improves the operational efficiency and the reliability (referring to Fig. 2) of heat pump.
Electrical auxiliary heater is characterized in that with the vehicle power being that power is realized the assistant heating to air in the car, is arranged in the car in the air-conditioning duct and is installed in air heat exchanger air outlet one side in the car.Its role is to: when outdoor temperature cross when low heat pump heating load deficiency or system defrost/demist mode operation wind pushing temperature crosses when low; Air in car after the air heat exchanger heating further improves temperature through electrical auxiliary heater again, thereby strengthens vehicle window defrosting/the remove comfort level of fog effect and Che Nei.
The beneficial effect of the utility model is following:
A kind of ultralow temperature heat source heat pump type electric automobile air-conditioning system that the utility model provides; Through the cooling synergy air mixing machine structure of compressor set inside and the mixed gas disposal and the control device of compressor outer setting; The delivery temperature of compressor in the time of can significantly reducing the heat pump air conditioner cold operation; Improve reliability of system operation, can improve the heat capacity and the heating efficiency of this air-conditioning system simultaneously, the power consumption when reducing electric automobile air-conditioning Winter heat supply.Getting data through the preliminary experiment research institute that a kind of ultralow temperature heat source heat pump type electric automobile air-conditioning system that the utility model is provided adopts low pressure to mix the gas mode of operation shows: this air-conditioning system is under the ultralow temperature heat supply operating mode of outdoor temperature-10 ℃; The delivery temperature of compressor is reduced to below 80 ℃; The heating efficiency of heat pump type air conditioning system reaches more than 1.8, two key technology difficult problems that need to be resolved hurrily such as the excessive discharge temperature of compressor, the obvious deficiency of heating capacity in the time of can solving the operation of pump type heat electric automobile air conditioner low temperature operating mode preferably.The utility model is significant to accelerating popularizing with application of electric automobile, for electric automobile provides the air-conditioning technical support in the development of northern area.
Description of drawings
Fig. 1 is the structure principle chart of the utility model.
Fig. 2 is the mixed gas schematic diagram of the utility model.
Fig. 3 mixes a kind of structure chart of gas port in the utility model gas mixing device.
Fig. 4 mixes second kind of structure chart of gas port in the utility model gas mixing device.
Fig. 5 mixes the third structure chart of gas port in the utility model gas mixing device.
Fig. 6 mixes the 4th kind of structure chart of gas port in the utility model gas mixing device.
Fig. 7 is first kind of mode of operation flow chart of the utility model.
Fig. 8 is second kind of mode of operation flow chart of the utility model.
Fig. 9 is the third mode of operation flow chart of the utility model.
Figure 10 is the 4th kind of mode of operation flow chart of the utility model.
Figure 11 is the 5th kind of mode of operation flow chart of the utility model.
Sequence number among the 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 a check valve; 2-6 mixes gas control valve; 2-7 mixes gas heat exchanger bypass valve; 2-8 is a defrost bypass valve; 2-9 and 2-10 are air-conditioning duct control valves in the car; The 3rd, car outer air heat exchanger; The 4th, the liquid storage drier; 5-1 mixes the gas choke valve; 5-2 mixes the gas heat exchanger; 5-3 mixes the gas check-valves; The 6th, the low pressure choke valve; The 7th, air heat exchanger in the car; The 8th, gas-liquid separator; The 9th, electrical auxiliary heater; The 10th, the built-in gas mixed hole of compressor; The 11st, the built-in gas mixed hole interface channel of compressor; The 12nd, be connected with the built-in gas mixed hole interface channel of the compressor other end and be fixed on the external snap joint on the compressor housing; The 13rd, compressor housing; The 14th, motor; The 15th, the compressor static vortex; The 16th, compress motor-driven vortex; The 17th, compressor air suction snap joint; The 18th, compressor air-discharging snap joint.
The specific embodiment
To combine embodiment (accompanying drawing) to do below the utility model and further describe, but not limit the utility model.
As shown in Figure 1; The ultralow temperature heat source heat pump type electric automobile air-conditioning system of the utility model is characterized in that: said air-conditioning system comprises by air heat exchanger 7, liquid storage drier 4, gas-liquid separator 8, low pressure choke valve 6, cooling compressor synergy in the automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 of direct current generator driving, car outer air heat exchanger 3, the car mixes gas system, electrical auxiliary heater 9, system model switching device shifter etc.; Wherein said cooling compressor synergy mixes the gas system and is made up of mixed gas disposal of the built-in cooling synergy of compressor air mixing machine structure and compressor outside and control device; The built-in cooling synergy of said compressor air mixing machine structure is connected by the built-in gas mixed hole of compressor 10, the built-in gas mixed hole interface channel 11 of compressor and with the built-in gas mixed hole interface channel of the compressor other end and the external snap joint 12 that is fixed on the compressor housing is formed, and is divided into low pressure air mixing machine structure, middle pressure air mixing machine structure, three kinds of forms of high pressure air mixing machine structure; The built-in gas mixed hole 10 of the compressor of said low pressure air mixing machine structure is opened in the corresponding housing part in compressor air suction chamber or is opened in the relevant position of the compressor static vortex 15 and the second compression chamber counterpart through the built-in gas mixed hole 10 of compressor that the fast three-way joint is connected with compressor suction duct, the built-in gas mixed hole 10 of compressor of said middle pressure air mixing machine structure is opened in the relevant position of the compressor static vortex 15 and the first compression chamber counterpart, said high pressure air mixing machine structure; Outside mixed gas disposal of said compressor and control device are mixed gas interface external connecting pipe and are formed by mixed gas choke valve 5-1, mixed gas heat exchanger 5-2, mixed gas check-valves 5-3, compressor; Said system model switching device shifter by function control valve 2-1, mix gas control valve 2-6, mix 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 and forms (can realize the electric automobile air-conditioning system refrigeration, commonly heat, low temperature mixes that gas heats, vehicle window defrosting/demist and five kinds of mode of operations switchings of car outer air heat exchanger defrosting); Said automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 outlet through function control valve 2-1 and corresponding connecting line respectively with car outer air heat exchanger 3, car in air heat exchanger 7, gas-liquid separator 8 the corresponding interface be connected; Said gas-liquid separator 8 outlets insert automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 air entry; Said car outer air heat exchanger 3 another interfaces connect first check valve 2-2 outlet and second check valve 2-3 inlet; Second check valve 2-3 outlet connects liquid storage drier 4 and the 4th check valve 2-5 outlet; 4 outlets of liquid storage drier are connected with first inlet of the inlet of mixed gas control valve 2-6, the inlet that mixes gas heat exchanger bypass valve 2-7 and mixed gas heat exchanger 5-2 respectively; Mix gas heat exchanger bypass valve 2-7 outlet and mix gas heat exchanger 5-2 first outlet and connect low pressure choke valve 6 inlets and defrost bypass valve 2-8 inlet; 6 outlets of low pressure choke valve connect first check valve 2-2 inlet and the 3rd check valve 2-4 inlet; Defrost bypass valve 2-8 outlet connects first check valve 2-2 inlet and the 3rd check valve 2-4 inlet, and the 3rd check valve 2-4 outlet connects air heat exchanger 7 inlets and the 4th check valve 2-5 inlet in the car; Said mixed gas control valve 2-6 outlet connects and mixes gas choke valve 5-1 inlet; Mix gas choke valve 5-1 outlet and connect mixed gas heat exchanger 5-2 second inlet; Mix gas heat exchanger 5-2 second outlet and connect mixed gas check-valves 5-3 inlet, mixed gas check-valves 5-3 outlet connects automobile-used totally-enclosed frequency conversion type air conditioning compressor and mixes gas port; Electrical auxiliary heater 9 is arranged in the interior air-conditioning duct of car and is installed in air heat exchanger air outlet one side in the car; The first air-conditioning duct control valve 2-9 is installed in the air outlet place mutual switching of mist air outlet and Che Nei air outlet (can realize defrosting /) of air-conditioning duct in the car; The air inlet place of air-conditioning duct in the second air-conditioning duct control valve 2-10 car mutual switching of car external air inlet (can realize in the car).
Electrical auxiliary heater described in the utility model 9 is a power with the vehicle power, when outdoor air ultralow temperature operating mode, can realize air in the car after this heat pump heating is assisted post bake.
Mix gas circulation (as shown in Figure 2), refrigerant liquid is divided into two-way after condenser flows out, and one the tunnel gets into major cycle, through the heat exchange of overmulling gas heat exchanger, behind the low pressure choke valve, gets into evaporimeter, is compressed the machine air entry at last and sucks; Another road gets into mixes the gas circulation, behind overmulling moral stream valve, gets into and mixes the heat exchange of gas heat exchanger, becomes gaseous state behind the cooling major cycle cold-producing medium, mixes the gas interface by compressor at last and gets into compressor.Its principle is: mend the refrigerant gas into a certain amount of a certain intermediate pressure through mixing air circuit to compressor centre position or suction location; To reach the purpose that the delivery temperature of compressor is reduced to Te from Te '; And can increase the capacity of compressor to a certain extent, thereby improved total heating capacity of heat pump cycle; High pressure refrigerant liquid through overmulling gas heat exchanger main road is cooled to Tg by Tf simultaneously, and making has increased from the caloric receptivity of outdoor Cryogenic air thermal source, thereby improves the operational efficiency and the reliability of heat pump.
Like Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, automobile-used totally-enclosed frequency conversion type air conditioning compressor described in the utility model mixes the gas system by compressor housing 13, motor 14, static vortex 15, moving vortex 16 and cooling synergy and constitutes.Compressor housing 13 is provided with compressor air suction snap joint 17 and compressor air-discharging snap joint 18.Cooling compressor synergy mixes the gas system and is made up of mixed gas disposal of the built-in cooling synergy of compressor air mixing machine structure and compressor outside and control device; The built-in cooling synergy of said compressor air mixing machine structure is connected by the built-in gas mixed hole of compressor 10, the built-in gas mixed hole interface channel 11 of compressor and with the built-in gas mixed hole interface channel of the compressor other end and (referring to Fig. 5, Fig. 6) formed in the external snap joint 12 that is fixed on the compressor housing, and is divided into low pressure air mixing machine structure, middle pressure air mixing machine structure, three kinds of forms of high pressure air mixing machine structure; Said low pressure is mixed gas (like Fig. 3,4), and heat pump fluid gets into the compressor air suction chamber to be mixed with superheated steam.The compressor gas mixed hole can be opened on the compressor suction duct or through the fast three-way joint and be connected with compressor suction duct, makes low pressure mix gas and gets into the compressor air suction chamber through the compressor air suction mouth more earlier with after compressor air suction mixes.Press in said and mix gas (like Fig. 5), heat pump fluid gets into 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 10 of compressor is opened in the relevant position of compressor static vortex 15 and the first compression chamber counterpart and is connected with external snap joint 12 on being fixed on the compressor air-discharging cavity shell through the built-in gas mixed hole interface channel 11 of compressor.Said high pressure mixes gas (like Fig. 6), and heat pump fluid gets into the high pressure chamber of compressor sound vortex formation to be mixed with the superheated steam that is compressed to high pressure.The built-in gas mixed hole 10 of compressor is opened in the relevant position of compressor static vortex 15 and the second compression chamber counterpart and is connected with external snap joint 12 on being fixed on the compressor air-discharging cavity shell through the built-in gas mixed hole interface channel 11 of compressor.Outside mixed gas disposal of said compressor and control device are mixed gas interface external connecting pipe and are formed by mixed gas choke valve 5-1, mixed gas heat exchanger 5-2, mixed gas check-valves 5-3, compressor;
Mixing gas choke valve 5-1 described in the utility model is any one throttling dropping equipment in electric expansion valve, heating power expansion valve, capillary or the restriction sleeve; Said mixed gas heat exchanger 5-2 is reducing bushing formula, any one in board-like, case tubular type or the shell and tube exchanger at interval.
The automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 by the direct current generator driving described in the utility model is any one in piston type, vortex, the three-apexed rotor formula compressor, and described automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 is enclosed in the same closed shell with direct current generator.
The refrigeration work model process of the utility model:
As shown in Figure 7, through function control valve 2-1, automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 outlet is communicated with car outer air heat exchanger 3 interfaces, gas-liquid separator 8 inlets are communicated with interior air heat exchanger 7 another interfaces of car; Mixing gas control valve 2-6 closes; Mixing gas heat exchanger bypass valve 2-7 opens; Defrost bypass valve 2-8 closes.Cold-producing medium is discharged through automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 exhaust outlet; Successively through car outer air heat exchanger 3, the second check valve 2-3, liquid storage drier 4, mix in gas heat exchanger bypass valve 2-7, low pressure choke valve 6, the 3rd check valve 2-4, the car behind air heat exchanger 7, the gas-liquid separator 8, sucked from air entry by automobile-used totally-enclosed frequency conversion type air conditioning compressor 1.
The utility model heat the mode of operation flow process:
As shown in Figure 8, through function control valve 2-1, automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 outlet is communicated with interior air heat exchanger 7 interfaces of car, gas-liquid separator 8 inlets are communicated with another interface of car outer air heat exchanger; Mixing gas control valve 2-6 closes; Mixing gas heat exchanger bypass valve 2-7 opens; Defrost bypass valve 2-8 closes.Cold-producing medium is discharged through automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 exhaust outlet; Through behind air heat exchanger 7, the 4th check valve 2-5, liquid storage drier 4, mixed gas heat exchanger bypass valve 2-7, low pressure choke valve 6, the first check valve 2-2, car outer air heat exchanger 3, the gas-liquid separator 8 in the car, sucked from air entry successively by automobile-used totally-enclosed frequency conversion type air conditioning compressor 1.
The mixed gas of the utility model heats the mode of operation flow process:
As shown in Figure 9, through function control valve 2-1, automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 outlet is communicated with interior air heat exchanger 7 interfaces of car, gas-liquid separator 8 inlets are communicated with another interface of car outer air heat exchanger; Mixing gas control valve 2-6 opens; Mixing gas heat exchanger bypass valve 2-7 closes; Defrost bypass valve 2-8 closes.Cold-producing medium is discharged through automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 exhaust outlet; Through behind air heat exchanger 7, the 4th check valve 2-5, liquid storage drier 4, mixed gas heat exchanger 5-2, low pressure choke valve 6, the first check valve 2-2, car outer air heat exchanger 3, the gas-liquid separator 8 in the car, sucked from air entry successively by automobile-used totally-enclosed frequency conversion type air conditioning compressor 1; Another road cold-producing medium is discharged through automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 exhaust outlet; Behind the interior air heat exchanger 7 of process car, the 4th check valve 2-5, liquid storage drier 4, mixed gas control valve 2-6, mixed gas choke valve 5-1, mixed gas heat exchanger 5-2, the mixed gas check-valves 5-3, get into automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 successively from the mixed gas interface of compressor.When how low outdoor temperature is, when the heat pump heating load is not enough, open electrical auxiliary heater 9, to carrying out auxiliary heat supplying in the car.
The vehicle window defrosting of the utility model/demist mode of operation flow process:
Shown in figure 10, through function control valve 2-1, automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 outlet is communicated with car outer air heat exchanger 3 interfaces, gas-liquid separator 8 inlets are communicated with interior air heat exchanger 7 another interfaces of car; Mixing gas control valve 2-6 closes; Mixing gas heat exchanger bypass valve 2-7 opens; Defrost bypass valve 2-8 closes.Cold-producing medium is discharged through automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 exhaust outlet; Through behind air heat exchanger 7, the gas-liquid separator 8 in car outer air heat exchanger 3, the second check valve 2-3, liquid storage drier 4, mixed gas heat exchanger 5-2, low pressure choke valve 6, the 3rd check valve 2-4, the car, sucked from air entry successively by automobile-used totally-enclosed frequency conversion type air conditioning compressor 1.Electrical auxiliary heater 9 is opened, and the air in car after the air heat exchanger heating further improves temperature through electrical auxiliary heater 9 again, thereby strengthens vehicle window defrosting/the remove comfort level of fog effect and Che Nei.
The car outer air heat exchanger defrosting mode of operation flow process of the utility model:
Shown in figure 11, when the frosting of car outer air heat exchanger,, automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 outlet is communicated with car outer air heat exchanger 3 interfaces through function control valve 2-1, gas-liquid separator 8 inlets are communicated with interior air heat exchanger 7 another interfaces of car; Mixing gas control valve 2-6 closes; Mixing gas heat exchanger bypass valve 2-7 opens; Defrost bypass valve 2-8 opens.Cold-producing medium is discharged through automobile-used totally-enclosed frequency conversion type air conditioning compressor 1 exhaust outlet; After passing through car outer air heat exchanger 3, the second check valve 2-3, liquid storage drier 4, gas heat exchanger bypass valve 2-7, low pressure choke valve 6 and defrost bypass valve 2-8, the 3rd check valve 2-4, the interior air heat exchanger 7 of car, gas-liquid separator 8 successively; Sucked from air entry by automobile-used totally-enclosed frequency conversion type air conditioning compressor 1, car outer air heat exchanger is defrosted.Part of refrigerant has improved cold-producing medium evaporating temperature air heat exchanger 7 in car through defrost bypass valve 2-8, and temperature is near vehicle interior temperature when making in the car air through the interior air heat exchanger 7 of car.
Claims (5)
1. ultralow temperature heat source heat pump type electric automobile air-conditioning system is characterized in that: said air-conditioning system comprises that air heat exchanger (7), liquid storage drier (4), gas-liquid separator (8), low pressure choke valve (6), cooling compressor synergy mix gas system, electrical auxiliary heater (9), system model switching device shifter in the automobile-used totally-enclosed frequency conversion type air conditioning compressor (1) that driven by direct current generator, car outer air heat exchanger (3), the car; Wherein said automobile-used totally-enclosed frequency conversion type air conditioning compressor mixes the gas system by compressor housing (13), motor (14), static vortex (15), moving vortex (16) and cooling synergy and constitutes; Compressor housing (13) is provided with compressor air suction snap joint (17) and compressor air-discharging snap joint (18); Said cooling compressor synergy mixes the gas system and is made up of mixed gas disposal of the built-in cooling synergy of compressor air mixing machine structure and compressor outside and control device; The built-in cooling synergy of said compressor air mixing machine structure is connected by the built-in gas mixed hole of compressor (10), the built-in gas mixed hole interface channel of compressor (11) and with the built-in gas mixed hole interface channel of the compressor other end and the external snap joint (12) that is fixed on the compressor housing is formed, and is divided into low pressure air mixing machine structure, middle pressure air mixing machine structure, three kinds of forms of high pressure air mixing machine structure; The built-in gas mixed hole of compressor (10) of said low pressure air mixing machine structure is opened in the corresponding housing part in compressor air suction chamber or is connected with compressor suction duct through the fast three-way joint; The built-in gas mixed hole of compressor (10) of pressure air mixing machine structure is opened in the relevant position of the compressor static vortex (15) and the first compression chamber counterpart in said; The built-in gas mixed hole of compressor (10) of said high pressure air mixing machine structure is opened in the relevant position of the compressor static vortex (15) and the second compression chamber counterpart; Outside mixed gas disposal of said compressor and control device are mixed gas interface external connecting pipe and are formed by mixed gas choke valve (5-1), mixed gas heat exchanger (5-2), mixed gas check-valves (5-3), compressor; Said system model switching device shifter is made up 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 check valve (2-2) to the 4th check valve (2-5), the first air-conditioning duct control valve (2-9) and the second air-conditioning duct control valve (2-10); Said automobile-used totally-enclosed frequency conversion type air conditioning compressor (1) outlet is connected with car outer air heat exchanger (3), the interior air heat exchanger (7) of car, gas-liquid separator (8) the corresponding interface respectively through function control valve (2-1) and corresponding connecting line; Said gas-liquid separator (8) outlet inserts automobile-used totally-enclosed frequency conversion type air conditioning compressor (1) air entry; Another interface of said car outer air heat exchanger (3) connects first check valve (2-2) outlet and second check valve (2-3) inlet; Second check valve (2-3) outlet connects liquid storage drier (4) and the 4th check valve (2-5) outlet; Liquid storage drier (4) outlet is connected with first inlet of the inlet of mixed gas control valve (2-6), the inlet that mixes gas heat exchanger bypass valve (2-7) and mixed gas heat exchanger (5-2) respectively; Mixed gas heat exchanger bypass valve (2-7) outlet and mixed gas heat exchanger (5-2) first outlet connect low pressure choke valve (6) inlet and defrost bypass valve (2-8) inlet; Low pressure choke valve (6) outlet connects first check valve (2-2) inlet and the 3rd check valve (2-4) inlet; Defrost bypass valve (2-8) outlet connects first check valve (2-2) inlet and the 3rd check valve (2-4) inlet, and the 3rd check valve (2-4) outlet connects air heat exchanger (7) inlet in the car; Said mixed gas control valve (2-6) outlet connects and mixes gas choke valve (5-1) inlet; Mix gas choke valve (5-1) outlet and connect mixed gas heat exchanger (5-2) second inlet; Mix gas heat exchanger (5-2) second outlet and connect mixed gas check-valves (5-3) inlet, mixed gas check-valves (5-3) outlet connects automobile-used totally-enclosed frequency conversion type air conditioning compressor and mixes gas port; Electrical auxiliary heater (9) is arranged in the interior air-conditioning duct of car and is installed in air heat exchanger air outlet one side in the car; The first air-conditioning duct control valve (2-9) is installed in electrical auxiliary heater (9) air channel afterwards; The second air-conditioning duct control valve (2-10) is installed in interior air heat exchanger (7) air channel before of car.
2. a kind of ultralow temperature heat source heat pump type electric automobile air-conditioning system with the mixed gas system of cooling compressor synergy according to claim 1 is characterized in that: said mixed gas choke valve (5-1) is any one throttling dropping equipment in electric expansion valve, heating power expansion valve, capillary or the restriction sleeve.
3. according to claim 1ly a kind ofly mix the ultralow temperature heat source heat pump type electric automobile air-conditioning system of gas system with cooling compressor synergy, it is characterized in that: said mixed gas heat exchanger (5-2) is reducing bushing formula, any one in board-like, case tubular type or the shell and tube exchanger at interval.
4. a kind of ultralow temperature heat source heat pump type electric automobile air-conditioning system that mixes the gas system with cooling compressor synergy 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, the three-apexed rotor formula compressor, and described automobile-used totally-enclosed frequency conversion type air conditioning compressor (1) is enclosed in the same closed shell with direct current generator.
5. ultralow temperature heat source heat pump type electric automobile air-conditioning system according to claim 1; It is characterized in that: said electrical auxiliary heater (9) is power with the vehicle power, when outdoor air ultralow temperature operating mode, can realize air in the car after this heat pump heating is assisted post bake.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120261922XU CN202229328U (en) | 2011-07-23 | 2011-07-23 | Ultralow temperature heat source heat pump type electromobile air-conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201120261922XU CN202229328U (en) | 2011-07-23 | 2011-07-23 | Ultralow temperature heat source heat pump type electromobile air-conditioning system |
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| CN202229328U true CN202229328U (en) | 2012-05-23 |
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| CN201120261922XU Expired - Fee Related CN202229328U (en) | 2011-07-23 | 2011-07-23 | Ultralow temperature heat source heat pump type electromobile air-conditioning system |
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| CN (1) | CN202229328U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331050A (en) * | 2011-07-23 | 2012-01-25 | 济源市贝迪地能中央空调设备有限公司 | Ultralow-temperature heat source and heat pump type air conditioning system for electric automobile |
| CN103342094A (en) * | 2013-07-26 | 2013-10-09 | 上海交通大学 | Blade electric vehicle heat pump air-conditioning system |
| CN108361807A (en) * | 2018-01-26 | 2018-08-03 | 青岛海尔空调电子有限公司 | A kind of heat pump system and its control method |
| CN108375145A (en) * | 2018-01-26 | 2018-08-07 | 青岛海尔空调电子有限公司 | A kind of heat pump system and its defrosting control method |
| CN110671799A (en) * | 2019-10-12 | 2020-01-10 | 青岛海信日立空调系统有限公司 | Air conditioning system and refrigerant flow control method |
| CN111692778A (en) * | 2019-03-12 | 2020-09-22 | 奥迪股份公司 | Method for operating a refrigeration system of a vehicle having a refrigerant circuit with a heat pump function |
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2011
- 2011-07-23 CN CN201120261922XU patent/CN202229328U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102331050A (en) * | 2011-07-23 | 2012-01-25 | 济源市贝迪地能中央空调设备有限公司 | Ultralow-temperature heat source and heat pump type air conditioning system for electric automobile |
| CN102331050B (en) * | 2011-07-23 | 2013-03-27 | 济源市贝迪地能中央空调设备有限公司 | Ultralow-temperature heat source and heat pump type air conditioning system for electric automobile |
| CN103342094A (en) * | 2013-07-26 | 2013-10-09 | 上海交通大学 | Blade electric vehicle heat pump air-conditioning system |
| CN103342094B (en) * | 2013-07-26 | 2016-01-13 | 上海交通大学 | Pure electric automobile heat pump type air conditioning system |
| CN108361807A (en) * | 2018-01-26 | 2018-08-03 | 青岛海尔空调电子有限公司 | A kind of heat pump system and its control method |
| CN108375145A (en) * | 2018-01-26 | 2018-08-07 | 青岛海尔空调电子有限公司 | A kind of heat pump system and its defrosting control method |
| WO2019144618A1 (en) * | 2018-01-26 | 2019-08-01 | 青岛海尔空调电子有限公司 | Heat pump system and control method therefor |
| CN111692778A (en) * | 2019-03-12 | 2020-09-22 | 奥迪股份公司 | Method for operating a refrigeration system of a vehicle having a refrigerant circuit with a heat pump function |
| CN111692778B (en) * | 2019-03-12 | 2022-11-11 | 奥迪股份公司 | Method for operating a refrigeration system of a vehicle having a refrigerant circuit with a heat pump function |
| CN110671799A (en) * | 2019-10-12 | 2020-01-10 | 青岛海信日立空调系统有限公司 | Air conditioning system and refrigerant flow control method |
| CN110671799B (en) * | 2019-10-12 | 2021-02-19 | 青岛海信日立空调系统有限公司 | Air conditioning system and refrigerant flow control method |
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