CN111284304B - Air conditioner with condensation and evaporation coupled together - Google Patents
Air conditioner with condensation and evaporation coupled together Download PDFInfo
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- CN111284304B CN111284304B CN202010230126.3A CN202010230126A CN111284304B CN 111284304 B CN111284304 B CN 111284304B CN 202010230126 A CN202010230126 A CN 202010230126A CN 111284304 B CN111284304 B CN 111284304B
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- 238000001704 evaporation Methods 0.000 title claims abstract description 19
- 238000009833 condensation Methods 0.000 title claims abstract description 11
- 230000005494 condensation Effects 0.000 title claims abstract description 11
- 230000008020 evaporation Effects 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 74
- 238000004378 air conditioning Methods 0.000 claims abstract description 23
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- 230000001012 protector Effects 0.000 claims description 23
- 238000005057 refrigeration Methods 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/323—Cooling devices using compression characterised by comprising auxiliary or multiple systems, e.g. plurality of evaporators, or by involving auxiliary cooling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
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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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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an air conditioning device with condensation and evaporation coupled together, which comprises a refrigerating system A, a refrigerating system B, a ventilation system and an electric control system. Wherein: the compressor A, the condenser A, the liquid storage device A, the filter A, the thermal expansion valve A, the evaporator AI, the electromagnetic valve, the electronic expansion valve, the evaporator AII and the gas-liquid separator A form a refrigerating system A; the compressor B, the condenser B, the liquid storage device B, the filter B, the thermal expansion valve B and the evaporator B, and the gas-liquid separator B form a refrigerating system B; the axial flow fan and the centrifugal fan form a ventilation system; the power supply and the control unit form an electric control system; the parking is powered to the centrifugal fan and the compressor A through the control unit; the driving direct current power supply supplies power to the centrifugal fan through the control unit, and the driving engine shaft drives the compressor B and the axial flow fan to work. The invention realizes the cooling of the condensing side without driving the parking axial flow fan.
Description
Technical Field
The invention relates to the field of vehicle-mounted air conditioning equipment, in particular to an air conditioning device with condensation and evaporation coupled together.
Background
The special air conditioner is matched with a special mobile vehicle, has the functions of refrigerating, heating and the like, and provides good temperature and humidity environment for equipment and personnel in the vehicle. Because the special vehicle is mobile and has the characteristics of all days, the special vehicle provides various different powers (direct current power supply, engine shaft power taking and alternating current power supply), and only provides direct current power and engine shaft power taking during driving and only provides alternating current power during parking, the vehicle air conditioner is required to work under various power supply systems.
If the double-compressor double-system mode is adopted to realize refrigeration, when the engine shaft is powered by the travelling crane, the compressor and the axial flow fan are driven by the belt to refrigerate; when the vehicle is in parking alternating current power supply, because the space of the vehicle is limited, the space for installing an axial flow fan for alternating current power supply cannot be provided, and therefore, when the alternating current power supply is performed, the condensing side of the air conditioning device can only seek other modes for external heat dissipation, based on the power supply mode, how to realize the alternating current power supply and the power taking of an engine shaft to realize refrigeration, new requirements are put forward on the air conditioning device, the air conditioning device adopts vapor compression to realize refrigeration, and the parts needing to be driven are a compressor, a centrifugal fan, an axial flow fan and an electric control system. The compressor can meet the requirement of double driving of alternating current and engine power taking, the centrifugal fan adopts a direct current power supply fan although the centrifugal fan is a single fan, the centrifugal fan can work in the two power taking driving processes through power conversion, and the axial flow fan can work by means of the engine shaft driven by the belt, so that the centrifugal fan cannot work in the alternating current power supply process.
Disclosure of Invention
The invention aims at solving the problems in the prior art and provides an air conditioning device which has the advantages of simple structure, easy implementation, less equipment and components, high efficiency, convenient maintenance and high efficiency, and can adapt to condensation and evaporation coupling of alternating current power supply and engine shaft power.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the condensing and evaporating coupled air conditioning device is characterized in that: comprises a refrigerating system A, a refrigerating system B and a ventilation system, wherein:
the refrigerating system A comprises a compressor A, a condenser A, a liquid storage device A, a filter A, a thermal expansion valve A, an evaporator AI, an electromagnetic valve, an electronic expansion valve, an evaporator AII and a gas-liquid separator A, wherein the outlet end of the compressor A is connected with one end of the condenser A through a pipeline, the other end of the condenser A is communicated with the inside of the liquid storage device A through a pipeline, the inside of the liquid storage device A is also communicated with one end of the filter A through a pipeline, the other end of the filter A is connected with two pipelines, one pipeline is connected with the inlet end of the thermal expansion valve A, the outlet end of the thermal expansion valve A is connected with one end of the evaporator AI through a pipeline, the second pipeline connected with the other end of the filter A is connected with the inlet end of the electromagnetic valve, the outlet end of the electromagnetic valve is connected with the inlet end of the electronic expansion valve through a pipeline, the outlet end of the electronic expansion valve is connected with one end of the evaporator AII through a pipeline, the other ends of the evaporator AI and the evaporator AII are respectively converged with the inlet end of the gas-liquid separator A through pipelines, and the outlet end of the gas-liquid separator A is connected with the inlet end of the compressor A through a pipeline, thereby forming a circulating loop of the refrigerating system A;
The refrigerating system B comprises a compressor B, a condenser B, a liquid storage device B, a filter B, a thermal expansion valve B, an evaporator B and a gas-liquid separator B; the outlet end of the compressor B is connected with one end of the condenser B through a pipeline, the other end of the condenser B is communicated with the inside of the liquid storage device B through a pipeline, the inside of the liquid storage device B is also communicated with one end of the filter B through a pipeline, the other end of the filter B is connected with the inlet end of the thermal expansion valve B through a pipeline, the outlet end of the thermal expansion valve B is connected with one end of the evaporator B through a pipeline, the other end of the evaporator B is connected with the inlet end of the gas-liquid separator B through a pipeline, and the outlet end of the gas-liquid separator B is connected with the inlet end of the compressor B through a pipeline, so that a refrigeration cycle of the refrigerating system B is formed;
in the refrigerating system A and the refrigerating system B, a condenser A, a condenser B, an evaporator AI, an evaporator AII and an evaporator B are used for realizing heat exchange between a refrigerating circulation loop in the refrigerating system A and a refrigerating circulation loop in the refrigerating system B;
The ventilation system comprises an axial flow fan and a centrifugal fan, wherein the condenser A, the evaporator AII and the condenser B share the axial flow fan, and the evaporator AI and the evaporator B share the centrifugal fan to supply air indoors.
The condensing and evaporating coupled air conditioning device is characterized in that: the condenser a is coupled with the evaporator AII and the condenser B to share the axial flow fan.
The condensing and evaporating coupled air conditioning device is characterized in that: evaporator AI and evaporator B are coupled together to share a centrifugal fan.
The condensing and evaporating coupled air conditioning device is characterized in that: in the refrigerating system A, a pipeline between the gas-liquid separator A and the compressor A is also connected with a fluorine filling nozzle A in a bypass communication way.
The condensing and evaporating coupled air conditioning device is characterized in that: in the refrigerating system B, a pipeline between the gas-liquid separator B and the compressor B is also connected with a fluorine filling nozzle B in a bypass communication way.
The condensing and evaporating coupled air conditioning device is characterized in that: the electric control system is formed by a power supply and a control unit, wherein the power supply is connected to the compressor A, the compressor B, the axial flow fan and the centrifugal fan through the power supply of the control unit.
The condensing and evaporating coupled air conditioning device is characterized in that: the protection system comprises a temperature sensor, a low-pressure protector A and a low-pressure protector B, wherein the temperature sensor is arranged at the air inlet of the coupled evaporator AI and the air inlet of the evaporator B to monitor the air inlet temperature of the evaporator, a bypass of the low-pressure protector A is communicated to a pipeline between the gas-liquid separator A and the compressor A, and a bypass of the low-pressure protector B is communicated to a pipeline between the gas-liquid separator B and the compressor B;
The temperature sensor, the low-pressure protector A and the low-pressure protector B are respectively connected with a control unit in the electric control system, and the control unit controls the compressor A, B, the axial flow fan and the centrifugal fan in the refrigeration system A, B based on signals of the temperature sensor and the low-pressure protector A, B.
The invention has the advantages that:
(1) And selecting a refrigeration system to be started according to the driving and parking modes.
(2) The power supply of the system is switched on according to the evaporating air inlet temperature, so that the control is stable, the energy is saved, and the normal use of the air conditioner is ensured;
(3) When the parking refrigerating system is started, the condensation heat dissipation balance is adjusted according to the electronic expansion valve, so that the energy efficiency ratio is improved, and energy conservation is achieved;
(4) The condensing side heat dissipation in the alternating current power supply refrigerating system during parking is effectively realized, and all-weather air cooling of the mobile vehicle is met.
The invention has the advantages of simple structure, easy manufacture, low cost, high efficiency, convenient installation, low failure rate, high reliability and convenient maintenance, and can efficiently realize air conditioning. In addition, the refrigerating system can be effectively protected, the safety and the reliability are realized, and the energy is saved.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and examples.
As shown in fig. 1, the air conditioning device with condensation and evaporation coupled together comprises a refrigeration system a, a refrigeration system B, a ventilation system and an electric control system, wherein:
the refrigeration system A comprises a compressor A1, a condenser A2, a liquid storage device A3, a filter A4, a thermal expansion valve A5, an evaporator AI6, an electromagnetic valve 7, an electronic expansion valve 8, an evaporator AII9 and a gas-liquid separator A10;
The refrigerating system B comprises a compressor B11, a condenser B12, a liquid storage B13, a filter B14, a thermal expansion valve B15, an evaporator B16 and a gas-liquid separator B25;
The compressor A1, the condenser A2, the liquid storage device A3, the filter A4, the thermal expansion valve A5, the evaporator AI6, the electromagnetic valve 7, the electronic expansion valve 8, the evaporator AII9 and the gas-liquid separator A10 in the refrigerating system A form a refrigerating circulation loop, the compressor B11, the condenser B12, the liquid storage device B13, the filter B14, the thermal expansion valve B15 and the evaporator B16 in the refrigerating system B form a refrigerating circulation loop, and the gas-liquid separator B25 forms heat exchange between the refrigerating circulation loop of the refrigerating system A and the refrigerating circulation loop of the refrigerating system B by the condenser A2, the condenser B12, the evaporator AI6, the evaporator AII9 and the evaporator B16;
the ventilation system comprises an axial flow fan 17 which is used for a condenser A2 in the refrigeration system A, an evaporator AII9 and a condenser B12 in the refrigeration system B, and a centrifugal fan 18 which is used for an evaporator AI6 and an evaporator B16 and supplies air indoors;
The electric control system comprises a power supply and a control unit, wherein the power supply is connected to the compressor A1, the compressor B11, the axial flow fan 17 and the centrifugal fan 18 through the power supply of the control unit.
The refrigeration system A comprises a compressor A1, a condenser A2, a liquid storage device A3, a filter A4, a thermal expansion valve A5, an evaporator AI6, an electromagnetic valve 7, an electronic expansion valve 8, an evaporator AII9 and a gas-liquid separator A10, wherein the outlet end of the compressor A1 is connected with one end of the condenser A2 through a pipeline, the other end of the condenser A2 is communicated with the liquid storage device A3 through a pipeline, the liquid storage device A3 is also connected with one end of the filter A4 through a pipeline, the filter A4 is divided into two paths through a pipeline, one path is connected with the inlet of the thermal expansion valve A5 through a pipeline, the outlet of the expansion valve A5 is connected with one end of the evaporator AI6 through a pipeline, the other path is communicated with the inlet end of the electromagnetic valve 7 through a pipeline, the outlet end of the electromagnetic valve 7 is communicated with the inlet end of the electronic expansion valve 8 through a pipeline, the outlet end of the electronic expansion valve 8 is communicated with the inlet end of the evaporator AII9 through a pipeline, the outlet ends of the evaporator AI6 and the evaporator AII9 are converged through a pipeline to the inlet end of the gas-liquid separator A10, the other end of the gas-liquid separator A10 is connected with the inlet of the compressor A1 through a pipeline, and the refrigeration loop A is formed by the refrigeration system;
The refrigerating system B comprises a compressor B11, a condenser B12, a liquid storage device B13, a filter B14, a thermal expansion valve B15 and an evaporator B16, wherein the outlet end of the compressor B11 is respectively connected with one end of the condenser B12 through a pipeline, the other end of the condenser B12 is communicated with the liquid storage device B13 through a pipeline, the liquid storage device B13 is connected with one end of the filter B14 through a pipeline, the other end of the filter B14 is connected with the inlet of the thermal expansion valve B15 through a pipeline, the outlet of the thermal expansion valve B15 is connected with one end of the evaporator B16 through a pipeline, the other end of the evaporator B16 is connected with the inlet of the gas-liquid separator B25 through a pipeline, and the other end of the gas-liquid separator B25 is connected with the inlet end of the compressor B11 through a pipeline, so that a refrigerating cycle loop of the refrigerating system B is formed;
The condenser A2, the evaporator AII9 and the condenser B12 are coupled together and commonly equipped with an axial flow fan 17.
Evaporator AI6 and evaporator B16 are coupled together and cooperate with centrifugal fan 18.
The fluorine charging nozzle A19 in the refrigeration system A is in bypass communication with a pipeline between the gas-liquid separator A10 and the compressor A1.
The fluorine charging nozzle B20 in the refrigeration system B is in bypass communication with a pipeline between the gas-liquid separator B25 and the compressor B11.
The protection system comprises a temperature sensor 21, a low-pressure protector A22 and a low-pressure protector B23, wherein the temperature sensor 21 is arranged at the air inlet of the coupled evaporator AI6 and the air inlet of the evaporator B16 to monitor the air inlet temperature of the evaporator, the low-pressure protector A22 is in bypass communication with a pipeline between the gas-liquid separator A10 and the compressor A1, and the low-pressure protector B23 is in bypass communication with a pipeline between the gas-liquid separator B25 and the compressor B11;
the temperature sensor 21, the low-pressure protector a22, and the low-pressure protector B23 are respectively connected to the control unit 24, and the control unit 24 controls power supply to the compressors A1 and B11, the axial flow fan 17, and the centrifugal fan 18 in the refrigeration system A, B based on signals of the temperature sensor 21 and the low-pressure protectors a22 and B23.
The invention is further described below with reference to the accompanying drawings:
When parking alternating current power supply, the compressor A1 works to compress refrigerant into high-temperature high-pressure gas, the high-temperature high-pressure gas enters the condenser A2, the high-temperature high-pressure gas exchanges heat with the evaporator AI6 and non-forced convection air and then is cooled into liquid, the liquid enters the liquid storage A3, the liquid enters the thermal expansion valve A5 through the filter A4 in two paths, the liquid becomes low-temperature low-pressure refrigerant liquid after throttling, the liquid enters the evaporator AI6 to be changed into gas after heat exchange, the other path enters the electronic expansion valve 8 through the electromagnetic valve 7 and then enters the evaporator AII9 to be changed into gas after heat exchange, and the gas from the evaporator AI6 and the evaporator AII9 enters the compressor A1 again through the gas-liquid separator A10, so the circulation is performed, and meanwhile the centrifugal fan 18 continuously works to realize forced convection heat exchange to realize refrigeration. The temperature sensor B21 monitors the temperature of the indoor return air of the air conditioning equipment in real time and feeds back the temperature to the control unit 24, the control unit 24 automatically compares the return air temperature with the set temperature, when the return air temperature reaches the set temperature, the compressor A1 stops working, the refrigerating system A stops working, and the centrifugal fan 18 continues working and ventilating. When the return air pressure in the refrigeration system is low, the low-pressure protector a22 acts, and the compressor A1 stops working.
When the vehicle is powered by direct current, the engine shaft of the chassis of the vehicle takes power, the engine shaft drives the clutch of the compressor B11 and the axial flow fan 17 to operate, the refrigerant is compressed into high-temperature high-pressure gas when the compressor B11 works, the high-temperature high-pressure gas enters the condenser B12 to be subjected to heat exchange with the condenser A2 and then cooled into liquid, the liquid enters the liquid storage tank B13, the liquid passes through the filter B14 and enters the thermal expansion valve B15, the throttled liquid becomes low-temperature low-pressure refrigerant liquid to enter the evaporator B16, the throttled liquid enters the compressor B11 again after being subjected to heat exchange with the evaporator AI6, and the refrigerant circularly reciprocates in the way, and meanwhile the axial flow fan 17 and the centrifugal fan 18 continuously work to force convection heat exchange to realize refrigeration. The temperature sensor 21 monitors the temperature of the indoor return air of the air conditioning equipment in real time and feeds back the temperature to the control unit 24, the control unit 24 automatically compares the return air temperature with the set temperature, and when the return air temperature is higher than the set temperature, the direct-current compressor B11 and the axial-flow fan 17 simultaneously operate, and the refrigerating system starts to work; when the return air temperature reaches the set temperature, the direct current compressor B11 stops working, the refrigerating system stops working, and the centrifugal fan 18 continues to work and ventilate. When the return air pressure in the refrigeration system is low, the low-pressure protector B23 is operated, and the compressor B11 stops operating.
The embodiments of the present invention are merely described in terms of preferred embodiments of the present invention, and are not intended to limit the spirit and scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope of the present invention, and the technical content of the present invention as claimed is fully described in the claims.
Claims (5)
1. The condensing and evaporating coupled air conditioning device is characterized in that: comprises a refrigerating system A, a refrigerating system B and a ventilation system, wherein: the refrigerating system A comprises a compressor A, a condenser A, a liquid storage device A, a filter A, a thermal expansion valve A, an evaporator AI, an electromagnetic valve, an electronic expansion valve, an evaporator AII and a gas-liquid separator A, wherein the outlet end of the compressor A is connected with one end of the condenser A through a pipeline, the other end of the condenser A is communicated with the inside of the liquid storage device A through a pipeline, the inside of the liquid storage device A is also communicated with one end of the filter A through a pipeline, the other end of the filter A is connected with two pipelines, one pipeline is connected with the inlet end of the thermal expansion valve A, the outlet end of the thermal expansion valve A is connected with one end of the evaporator AI through a pipeline, the second pipeline connected with the other end of the filter A is connected with the inlet end of the electromagnetic valve, the outlet end of the electromagnetic valve is connected with the inlet end of the electronic expansion valve through a pipeline, the outlet end of the electronic expansion valve is connected with one end of the evaporator AII through a pipeline, the other ends of the evaporator AI and the evaporator AII are respectively converged with the inlet end of the gas-liquid separator A through pipelines, and the outlet end of the gas-liquid separator A is connected with the inlet end of the compressor A through a pipeline, thereby forming a circulating loop of the refrigerating system A; the refrigerating system B comprises a compressor B, a condenser B, a liquid storage device B, a filter B, a thermal expansion valve B, an evaporator B and a gas-liquid separator B; the outlet end of the compressor B is connected with one end of the condenser B through a pipeline, the other end of the condenser B is communicated with the inside of the liquid storage device B through a pipeline, the inside of the liquid storage device B is also communicated with one end of the filter B through a pipeline, the other end of the filter B is connected with the inlet end of the thermal expansion valve B through a pipeline, the outlet end of the thermal expansion valve B is connected with one end of the evaporator B through a pipeline, the other end of the evaporator B is connected with the inlet end of the gas-liquid separator B through a pipeline, and the outlet end of the gas-liquid separator B is connected with the inlet end of the compressor B through a pipeline, so that a refrigeration cycle of the refrigerating system B is formed; in the refrigerating system A and the refrigerating system B, a condenser A, a condenser B, an evaporator AI, an evaporator AII and an evaporator B are used for realizing heat exchange between a refrigerating circulation loop in the refrigerating system A and a refrigerating circulation loop in the refrigerating system B; the ventilation system comprises an axial flow fan and a centrifugal fan, wherein the condenser A, the evaporator AII and the condenser B share the axial flow fan, and the evaporator AI and the evaporator B share the centrifugal fan to supply air indoors;
in the refrigerating system A, a pipeline between the gas-liquid separator A and the compressor A is also connected with a fluorine-charging nozzle A in a bypass communication manner;
in the refrigerating system B, a pipeline between the gas-liquid separator B and the compressor B is also connected with a fluorine filling nozzle B in a bypass communication way.
2. The condensation and evaporation coupled air conditioning apparatus according to claim 1, wherein: the condenser a is coupled with the evaporator AII and the condenser B to share the axial flow fan.
3. The condensation and evaporation coupled air conditioning apparatus according to claim 1, wherein: evaporator AI and evaporator B are coupled together to share a centrifugal fan.
4. The condensation and evaporation coupled air conditioning apparatus according to claim 1, wherein: the electric control system is formed by a power supply and a control unit, wherein the power supply is connected to the compressor A, the compressor B, the axial flow fan and the centrifugal fan through the power supply of the control unit.
5. The condensation and evaporation coupled air conditioning apparatus according to claim 4, wherein: the protection system comprises a temperature sensor, a low-pressure protector A and a low-pressure protector B, wherein the temperature sensor is arranged at the air inlet of the coupled evaporator AI and the air inlet of the evaporator B to monitor the air inlet temperature of the evaporator, a bypass of the low-pressure protector A is communicated to a pipeline between the gas-liquid separator A and the compressor A, and a bypass of the low-pressure protector B is communicated to a pipeline between the gas-liquid separator B and the compressor B; the temperature sensor, the low-pressure protector A and the low-pressure protector B are respectively connected with a control unit in the electric control system, and the control unit controls the compressor A, B, the axial flow fan and the centrifugal fan in the refrigeration system A, B based on signals of the temperature sensor and the low-pressure protector A, B.
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| CN202010230126.3A CN111284304B (en) | 2020-03-27 | 2020-03-27 | Air conditioner with condensation and evaporation coupled together |
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| CN202010230126.3A CN111284304B (en) | 2020-03-27 | 2020-03-27 | Air conditioner with condensation and evaporation coupled together |
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| CN111284304B true CN111284304B (en) | 2024-05-03 |
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| KR20180076397A (en) * | 2016-12-27 | 2018-07-06 | 주식회사 두원공조 | Automotive air conditioning system |
| CN108749518A (en) * | 2018-08-02 | 2018-11-06 | 威马智慧出行科技（上海）有限公司 | A kind of heat management system of electric vehicle |
| CN212242895U (en) * | 2020-03-27 | 2020-12-29 | 合肥天鹅制冷科技有限公司 | Air conditioning device with condensation and evaporation coupling |
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