CN211119816U - Solar air-conditioning heat pump system and air conditioner - Google Patents
Solar air-conditioning heat pump system and air conditioner Download PDFInfo
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- CN211119816U CN211119816U CN201922006688.5U CN201922006688U CN211119816U CN 211119816 U CN211119816 U CN 211119816U CN 201922006688 U CN201922006688 U CN 201922006688U CN 211119816 U CN211119816 U CN 211119816U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 283
- 239000003507 refrigerant Substances 0.000 claims abstract description 85
- 238000005057 refrigeration Methods 0.000 claims abstract description 41
- 230000005855 radiation Effects 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 18
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 25
- 238000001704 evaporation Methods 0.000 description 14
- 230000008020 evaporation Effects 0.000 description 14
- 230000017525 heat dissipation Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 208000032825 Ring chromosome 2 syndrome Diseases 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 239000008236 heating water Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 210000000689 upper leg Anatomy 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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Abstract
The utility model provides a solar energy air conditioner heat pump system and air conditioner, solar energy air conditioner heat pump system includes: the solar water heater comprises a solar heat collector, a first water pipeline and a second water pipeline, wherein the refrigerant can exchange heat with the solar heat collector in the solar heat collector; the second water pipeline, the second water pipeline and the refrigerant pipeline exchange heat in the water side heat exchanger to prepare hot water through a refrigerant; the solar collector also enables the refrigerant in the refrigerant line to release heat in the solar collector to produce cold water in the water side heat exchanger. Through the utility model discloses can have simultaneously and heat and refrigerate function when making solar collector and air conditioner heat pump unit linkage use, improve flat plate collector's utilization ratio, further improve air conditioning unit's the refrigeration efficiency that heats, reach the energy saving purpose.
Description
Technical Field
The utility model belongs to the technical field of the heat pump, concretely relates to solar energy air conditioner heat pump system and air conditioner.
Background
The radiation refrigeration refers to that objects on the ground perform radiation heat exchange with outer space with low temperature through a wave band of 8-13 mu m of one of the atmospheric windows, so that a certain refrigeration effect is achieved. The radiation refrigeration has the advantages of zero energy consumption, zero pollution, no moving parts and the like, and has positive significance for cooling, energy saving and environmental protection of building air conditioners.
At present, a solar heat collector has the functions of heating water and radiation refrigeration, but the function of radiation refrigeration is only limited to cooling air, for example, the patent number is CN103776196A, a comprehensive application device for heating water in the daytime and cooling air at night is developed, and cooling of an air conditioning unit is not considered. Patent No. CN101498513A develops an integration flat plate solar heat pump hot water system, and its heat collector can act as the evaporimeter, but only heats the hot water function, does not have the refrigeration function, greatly reduced the practicality of heat collector.
Because among the prior art the utilization efficiency of solar energy flat plate collector is low, solar energy flat plate collector function singleness, solar collector and air conditioner heat pump unit linkage use can't have the function of heating and refrigerating, air conditioner heat pump unit's refrigeration, the efficiency low grade technical problem that heats, consequently the utility model discloses research and design a solar energy air conditioner heat pump system and air conditioner.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the solar collector among the prior art and using with the linkage of air conditioner heat pump unit can't have the function of heating and refrigerating etc. defect to a solar energy air conditioner heat pump system and air conditioner are provided.
The utility model provides a solar energy air conditioner heat pump system, it includes:
the solar water heater comprises a compressor, an outdoor heat exchanger, a water side heat exchanger and a throttling device, wherein a solar heat collector is further arranged on a refrigerant pipeline between the compressor and the outdoor heat exchanger, refrigerant in the refrigerant pipeline can exchange heat with the solar heat collector in the solar heat collector, and a first water pipeline is further arranged on the first water pipeline, so that water in the first water pipeline can exchange heat with the solar heat collector to prepare hot water through solar energy; the water side heat exchanger is characterized by also comprising a second water pipeline, a second water pipeline and a refrigerant pipeline, wherein the second water pipeline and the refrigerant pipeline exchange heat in the water side heat exchanger to prepare hot water through a refrigerant; the solar collector also enables the refrigerant in the refrigerant line to release heat in the solar collector to produce cold water in the water side heat exchanger.
Preferably, the first and second electrodes are formed of a metal,
parallel pipelines are further arranged in parallel on the refrigerant pipelines at the two ends of the solar heat collector, first control valves are arranged on the refrigerant pipelines at the two ends of the solar heat collector, and second control valves are arranged on the parallel pipelines.
Preferably, the first and second electrodes are formed of a metal,
the first water pipeline can be communicated with the hot water tank, and the second water pipeline can be communicated with the hot water tank; and/or the presence of a gas in the gas,
the first water pipeline is provided with a first water pump, and the second water pipeline is provided with a second water pump.
Preferably, the first and second electrodes are formed of a metal,
the second water pipeline is communicated with and enters the hot water tank through a first branch, the cold water tank is further included, the second water pipeline is communicated with and enters the cold water tank through a second branch, and the first branch and the second branch are arranged in parallel.
Preferably, the first and second electrodes are formed of a metal,
the first branch is provided with a hot water control valve, and the second branch is provided with a cold water control valve.
Preferably, the first and second electrodes are formed of a metal,
a first temperature sensor is arranged on the solar heat collector, a second temperature sensor is arranged in the hot water tank, and a third temperature sensor is arranged on the outdoor heat exchanger; and/or a fan is also arranged at the outdoor heat exchanger; and/or the compressor exhaust port is also provided with a pressure sensor.
Preferably, the first and second electrodes are formed of a metal,
the solar heat collector comprises a heat collecting plate, the heat collecting plate is provided with a radiation refrigeration and heating coating, a refrigerant pipe allowing a refrigerant to pass through is arranged in the heat collecting plate, and the refrigerant pipe is provided with a refrigerant inlet and a refrigerant outlet; a water pipe is arranged in the solar collector and allows water to pass through, and the water pipe is provided with a water inlet and a water outlet.
Preferably, the first and second electrodes are formed of a metal,
the solar heat collector also comprises a transparent cover plate covered on the heat collecting plate; and/or the heat collecting plate is also provided with heat insulation cotton.
Preferably, the first and second electrodes are formed of a metal,
the solar water-cooled heat pump system is characterized by further comprising a four-way valve, wherein the first end of the four-way valve is connected with the exhaust end of the compressor, the second end of the four-way valve is connected with the air suction end of the compressor, the third end of the four-way valve is connected with the solar heat collector, and the fourth end of the four-way valve is connected with the water side heat exchanger.
The utility model also provides an air conditioner, it includes preceding arbitrary solar energy air conditioner heat pump system.
The utility model provides a pair of solar energy air conditioner heat pump system and air conditioner have following beneficial effect:
the utility model can effectively produce hot water through solar energy by arranging the solar heat collector and the first water pipeline, can heat water in the second water pipeline through the refrigerant in the water side heat exchanger through the refrigerant circulating pipeline and the water side heat exchanger, can also release heat in the solar heat collector by arranging the solar heat collector on the refrigerant pipeline, can absorb heat in the water side heat exchanger to produce cold water, can reduce the power consumption of the outdoor heat exchanger (condenser), namely can radiate heat to the condenser of an air conditioner while effectively producing cold water through the radiation refrigeration of the solar heat collector at night, can simultaneously have the functions of heating and refrigerating when the solar heat collector is linked with the heat pump unit of the air conditioner, and improves the utilization rate of the flat plate heat collector, further improve the heating and refrigerating efficiency of the air conditioning unit and achieve the purpose of saving energy.
Drawings
Fig. 1 is a schematic structural diagram of a solar air-conditioning heat pump system according to the present invention;
FIG. 2 is an internal cross-sectional view of the solar collector of FIG. 1;
fig. 3 is a front sectional view of fig. 2.
The reference numbers in the figures denote:
1. a compressor; 2. a gas-liquid separator; 3. a pressure sensor; 4. a four-way valve; 5. a first control valve; 6. a second control valve; 7. a solar heat collector; 71. a refrigerant pipe; 711. a refrigerant inlet; 712. a refrigerant outlet; 72. a water pipe; 721. a water inlet; 722. a water outlet; 73. a heat collecting plate; 74. a transparent cover plate; 75. heat preservation cotton; 8. a first temperature sensor; 9. a first water pump; 10. a fan; 11. an outdoor heat exchanger; 12. a third temperature sensor; 13. a hot water tank; 14. a cold water tank; 15. a hot water control valve; 16. a cold water control valve; 17. a second water pump; 18. a throttling device; 19. a water side heat exchanger; 20. a second temperature sensor; 101. a first water line; 102. a second water line; 103. parallel pipelines; 104. a first branch; 105. a second branch.
Detailed Description
As shown in fig. 1-3, the present invention provides a solar air conditioning heat pump system, which includes:
the system comprises a compressor 1, an outdoor heat exchanger 11, a water side heat exchanger 19 and a throttling device 18, wherein a solar heat collector 7 is further arranged on a refrigerant pipeline between the compressor 1 and the outdoor heat exchanger 11, and refrigerant in the refrigerant pipeline can exchange heat with the solar heat collector in the solar heat collector;
the solar water heater also comprises a first water pipeline 101, and the solar heat collector 7 is also arranged on the first water pipeline 101 at the same time, so that the water in the first water pipeline 101 can exchange heat with the solar heat collector 7 to prepare hot water through solar energy; the system also comprises a second water pipeline 102, the second water pipeline 102 and the refrigerant pipeline, wherein heat exchange is carried out in the water side heat exchanger 19 so as to prepare hot water through a refrigerant; the solar collector 7 also enables the refrigerant in the refrigerant line to release heat in the solar collector 7 to produce cold water in the water side heat exchanger.
The utility model can effectively produce hot water through solar energy by arranging the solar heat collector and the first water pipeline, can heat water in the second water pipeline through the refrigerant in the water side heat exchanger through the refrigerant circulating pipeline and the water side heat exchanger, can also release heat in the solar heat collector by arranging the solar heat collector on the refrigerant pipeline, can absorb heat in the water side heat exchanger to produce cold water, can reduce the power consumption of the outdoor heat exchanger (condenser), namely can radiate heat to the condenser of an air conditioner while effectively producing cold water through the radiation refrigeration of the solar heat collector at night, can simultaneously have the functions of heating and refrigerating when the solar heat collector is linked with the heat pump unit of the air conditioner, and improves the utilization rate of the flat plate heat collector, further improve the heating and refrigerating efficiency of the air conditioning unit and achieve the purpose of saving energy.
The utility model discloses an openly increase radiation refrigeration film at solar collector's thermal-arrest board, increase the refrigerant pipeline at the thermal-arrest board back for flat plate collector and the linkage of air conditioner heat pump unit realize solar energy system hot water, and solar energy + air energy system hot water, three kinds of functions of radiation refrigeration + air conditioner refrigeration improve flat plate collector's utilization ratio, further improve air conditioning unit's the refrigeration efficiency that heats, reach the energy saving purpose.
The utility model discloses a flat plate collector of solar energy with radiation refrigeration function has realized that heat collector and air conditioner heat pump set coordinated control use, strengthens the practicality of heat collector, further improves the efficiency of air conditioner heat pump set, energy saving. The utilization efficiency of the solar flat plate collector is improved, the problem of single function of the solar flat plate collector is solved, and the solar collector and the air-conditioning heat pump unit are used in a linkage manner; the refrigeration and heating energy efficiency of the air-conditioning heat pump unit is improved.
The solar heat collector is not generally utilized at night, and the solar heat collector with the radiation refrigeration film is adopted, so that heat can be dissipated to a condenser of an air conditioner through radiation refrigeration at night. The hot water pipeline and the refrigerant pipeline are integrated together, only one path of fluid flows through the heat collector, for example, the heat collector can produce hot water when water is introduced in the daytime, and the heat collector is introduced with the refrigerant at night to dissipate heat of the refrigerant. When the surface temperature of the solar panel is lower than the temperature of the water tank but higher than the ambient temperature, the heat collector acts as an evaporator, the refrigerant can absorb the heat of the heat collector, and the water of the heat collector does not flow at the moment. The radiation refrigeration refers to that objects on the ground perform radiation heat exchange with outer space with low temperature through a wave band of 8-13 mu m of one of the atmospheric windows, so that a certain refrigeration effect is achieved, and the temperature of the surface of the heat collector is lower than that of air. The compressed high-temperature and high-pressure refrigerant firstly enters the heat collector to release heat, then passes through the condenser to release heat, and is throttled into low-pressure liquid by the throttling device 18, and then is evaporated and absorbed in the water side heat exchanger 19 to refrigerate.
Preferably, the first and second electrodes are formed of a metal,
Preferably, the first and second electrodes are formed of a metal,
the hot water storage tank 13 is further included, the first water pipeline 101 can be communicated into the hot water storage tank 13, and the second water pipeline 102 can also be communicated into the hot water storage tank 13; and/or the presence of a gas in the gas,
the first water pipe 101 is provided with a first water pump 9, and the second water pipe 102 is provided with a second water pump 17.
The water tank is a further preferred structure of the present invention, and the hot water tank can communicate with the hot water channel to store hot water, and can selectively communicate with the first water channel and/or the second water channel; whether the water in the first water line flows or not can be controlled by the first water pump, and whether the water in the second water line flows or not can be controlled by the second water pump.
Preferably, the first and second electrodes are formed of a metal,
the second water pipe 102 further communicates with the hot water tank 13 through a first branch 104, and further includes a cold water tank 14, the second water pipe 102 further communicates with the cold water tank 14 through a second branch 105, and the first branch 104 and the second branch 105 are arranged in parallel. Through the arrangement form of the first branch, the second branch and the cold water tank, the second water pipeline can be communicated to the first branch according to actual conditions so as to introduce hot water formed by heat exchange into the hot water tank, or communicated to the second branch so as to introduce cold water formed by heat exchange into the cold water tank.
Preferably, the first and second electrodes are formed of a metal,
the first branch 104 is provided with a hot water control valve 15, and the second branch 105 is provided with a cold water control valve 16. This is the preferred control valve on the above-mentioned first branch and second branch of the present invention, and can control the first branch communication (control to open the hot water control valve 15 and close the cold water control valve 16 when the water side heat exchanger is heated to form hot water) or the second branch communication (control to close the hot water control valve 15 and close the cold water control valve 16 when the water side heat exchanger is cooled to form cold water) as required.
Preferably, the first and second electrodes are formed of a metal,
a first temperature sensor 8 is arranged on the solar heat collector 7, a second temperature sensor 20 is arranged in the hot water tank 13, and a third temperature sensor 12 is arranged on the outdoor heat exchanger 11; and/or a fan 10 is also arranged at the outdoor heat exchanger 11; and/or a pressure sensor 3 is arranged at the exhaust port of the compressor 1. This is the utility model discloses a heat pump system's further preferred structural style can detect the temperature T collection on the solar collector through first temperature sensor, and the temperature T of second temperature sensor detection hot water tank is hot, and the third temperature sensor detects outdoor ambient temperature T ring to can carry out the switching control of solar energy system hot water, solar energy + air conditioner system hot water, radiation system cold water etc. to the system according to the temperature range condition of the heat collector that detects out; the fan can be controlled to operate at a low grade, a medium grade or a high grade according to the actual heat exchange capacity, the exhaust pressure of the compressor can be detected through the pressure sensor, so that the exhaust saturation temperature is obtained, and the good and poor heat exchange effect is effectively judged.
Preferably, the first and second electrodes are formed of a metal,
the solar heat collector 7 comprises a heat collecting plate 73, the heat collecting plate 73 has a radiation cooling and heating coating, a refrigerant pipe 71 allowing a refrigerant to pass through is arranged in the heat collecting plate 73, and the refrigerant pipe 71 has a refrigerant inlet 711 and a refrigerant outlet 712; a water pipe 72 allowing water to pass through is arranged in the solar collector 7, the water pipe 72 having a water inlet 721 and a water outlet 722. This is the utility model discloses a solar collector's preferred structural style, through the structural style of heat-collecting plate, the solar collector structure is shown in fig. 2, and its top has transparent cover plate, transparent cover plate below is the heat-collecting plate of taking radiation refrigeration coating, and there are water pipe and refrigerant pipe at the back of heat-collecting plate, bottom and have insulation material all around. This solar collector can realize making hot water daytime, through radiation refrigeration evening, acts as the condenser, gives the refrigerant heat dissipation, improves the refrigeration efficiency of unit. Meanwhile, when the sun is insufficient in the daytime, the evaporator can be used as an evaporator to absorb solar radiation, and the heating energy efficiency of the unit is improved.
Preferably, the first and second electrodes are formed of a metal,
the solar collector 7 further comprises a transparent cover plate 74 covering the heat collecting plate 73; and/or, the heat collecting plate 73 is further provided with heat insulation cotton 75. The high-temperature and high-pressure refrigerant firstly dissipates heat for the first time through the heat collector and then dissipates heat for the second time through the condenser, and the heat dissipation is more repeated than that of the refrigerant directly entering the condenser, so that the outlet temperature of the condenser is reduced, the power consumption of the compressor is reduced, and the energy efficiency is improved.
Preferably, the first and second electrodes are formed of a metal,
the solar energy heat collector further comprises a four-way valve 4, wherein the first end of the four-way valve 4 is connected with the exhaust end of the compressor 1, the second end of the four-way valve 4 is connected with the air suction end of the compressor 1, the third end of the four-way valve 4 is connected with the solar energy heat collector 7, and the fourth end of the four-way valve 4 is connected with the water side heat exchanger 19. The four-way valve can effectively switch between the water side heat exchanger for cooling water or heating water.
The utility model also provides a heat pump system's control method, it uses preceding arbitrary solar energy air conditioner heat pump system, control and prepare hot water or cold water to the water side heat exchanger according to solar collector's different temperature ranges.
The utility model discloses can prepare hot water through solar energy effectively, heat and prepare hot water through the water of refrigerant in water side heat exchanger to the second water pipeline to still set up on the refrigerant pipeline through solar collector, can also make the refrigerant be in heat release in the solar collector, can make the refrigerant absorb heat in water side heat exchanger and prepare cold water, can reduce the consumption of outdoor heat exchanger (condenser) simultaneously, effectively can also prepare cold water through solar collector's radiation refrigeration promptly at night and can also give the condenser heat dissipation of air conditioner simultaneously, can have heating and refrigerated function simultaneously when making solar collector and air conditioner heat pump unit linkage use, improve flat plate collector's utilization ratio, further improve air conditioning unit's heating refrigeration efficiency, reach the energy saving purpose.
Preferably, the first and second electrodes are formed of a metal,
when the heat pump system operates under the sun illumination in the daytime and simultaneously comprises a first temperature sensor, a second temperature sensor, a first water pump and a second water pump:
the temperature T of the solar heat collector detected by the first temperature sensorCollectionAnd the temperature T of the hot water tank detected by the second temperature sensorHeat generationIf T isCollection＞THeat generationThen the first water pump 9 is controlled to be opened, the second water pump 17 is controlled to be closed, and the compressor 1 is closed.
This is the utility model discloses a preferred control mode under the first operating mode, the preferred control mode when solar radiation is sufficient daytime promptly can realize making hot water function through solar energy alone (enough, need not to open the heat pump). Firstly, the temperature T set of the solar heat collector is detected, if the T set is more than T heat, the solar heat collector is adopted to produce hot water independently, at the moment, a water way on the hot water circulating side of the first water pump 9 is started, and the second water pump 17 is closed.
Preferably, the first and second electrodes are formed of a metal,
when the heat pump system operates under the sun illumination in the daytime and simultaneously comprises a first temperature sensor, a second temperature sensor, a third temperature sensor, a first water pump, a second water pump, a first control valve, a second control valve, a hot water control valve and a cold water control valve:
the temperature T of the solar collector detected by the first temperature sensor 8CollectionThe second temperature sensor 20 detects the water temperature T of the hot water tankHeat generationAnd the third temperature sensor 12 detects the outdoor ambient temperature TRing (C)If T isRing (C)＜TCollection≤THeat generationAnd then, the first water pump 9 is controlled to be closed, the second water pump 17 is controlled to be opened, the compressor 1 is opened, the first control valve 5 is opened, the second control valve 6 is closed, the hot water control valve 15 is opened, and the cold water control valve 16 is closed.
This is the utility model discloses an optimal control mode under the second operating mode, when solar radiation was not enough daytime promptly, can realize solar energy + air energy system hot water, (it is not enough to make hot water through solar energy alone, and the sunlight is not too enough this moment, and the temperature of heat collector is low than hot water tank temperature, unable individual heating hot water, but is higher than ambient temperature, can utilize the heat collector to work as the evaporimeter). If T set is detected to be T ring < T set and T heat is less than or equal to T set, the solar heat collector and the air-conditioning heat pump unit are linked, the solar heat collector serves as an evaporator at the moment, the evaporation temperature of the whole system is increased, the fan runs through a low windshield, and the unit operation energy efficiency is further improved (the temperature of the heat collector is higher than the ambient temperature, the evaporation temperature of the refrigerant in the heat collector is higher than that of the refrigerant when the refrigerant independently (does not move the heat collector) moves the evaporator, and therefore the evaporation temperature of the whole system is increased). The control is as follows: the hot water electromagnetic valve is opened, the cold water electromagnetic valve is closed, the second water pump 17 is opened, the first water pump 9 is closed, the first control valve 5 (preferably the first electromagnetic valve) is opened, the second control valve 6 (preferably the second electromagnetic valve) is closed, the unit starts to operate in a hot water heating mode, and the fan operates in a low-windshield mode.
Preferably, the first and second electrodes are formed of a metal,
when a fan 10 for radiating heat of the outdoor heat exchanger 11 is further included, the fan 10 is turned on and operated to a low windshield. Because the evaporation temperature of the system is high, the fan does not need to operate a high windshield to improve the evaporation temperature, so that the fan operates at a low level, the power of the whole machine is low, and the energy efficiency of the unit is improved. The larger the general windshield is, the higher the fan power is, the larger the air quantity is, and the better the heat exchange effect of air and fins is.
Preferably, the first and second electrodes are formed of a metal,
when the system operates in the daytime under the sun illumination and simultaneously comprises a first temperature sensor, a second temperature sensor, a third temperature sensor, a first water pump, a second water pump, a first control valve, a second control valve, a hot water control valve and a cold water control valve:
the temperature T of the solar collector detected by the first temperature sensor 8CollectionThe second temperature sensor 20 detects the water temperature T of the hot water tankHeat generationAnd the third temperature sensor 12 detects the outdoor ambient temperature TRing (C)If T isRing (C)-t0＜TCollection≤TRing (C)(t0Is a preset temperature, preferably 2 ℃), controlling to turn off the first water pump 9, controlling to turn on the second water pump 17, turning on the compressor 1, opening the first control valve 5, closing the second control valve 6, opening the hot water control valve 15, and closing the cold water control valve 16, wherein t0 is an initial preset temperature.
This is the utility model discloses a preferred control mode under third operating mode, when daytime solar radiation is more insufficient promptly, can realize solar energy + air energy system hot water, solar collector's temperature has not been provided the refrigerant evaporation and has absorbed heat this moment, T set is less than or equal to T ring for T ring-2 < T set when heat collector T set, though the heat collector temperature is less than or equal to ambient temperature, but be higher than the evaporation temperature of system, (general evaporation temperature is 6 degrees less than ambient temperature) still exist partial heat and can absorb heat for refrigerating system this moment in the heat collector, consequently operation heat pump + solar energy to accomplish hydrothermal preparation.
Preferably, the first and second electrodes are formed of a metal,
when a fan 10 for radiating heat of the outdoor heat exchanger 11 is further included, the fan 10 is turned on and operated to a medium wind range. If the T set is detected to be T ring-2 < T set is less than or equal to T ring, the linkage mode of the solar heat collector and the air-conditioning heat pump unit is also adopted, but the wind shield is used during the operation of the fan. When the T set of the heat collector is T ring-2 < T set < T ring, although the temperature of the heat collector is less than or equal to the ambient temperature, but higher than the evaporation temperature of the system (the evaporation temperature is generally 6 ℃ lower than the ambient temperature), part of heat in the heat collector can absorb heat for the refrigerating system. At the moment, the heat of the heat collector is not sufficient, the T set is more than T-2 and less than or equal to T ring, but the evaporation temperature of the system can be slightly increased, and the wind gear during the operation of the fan can meet the evaporation requirement of the system.
Preferably, the first and second electrodes are formed of a metal,
when the system operates in the daytime under the sun illumination and simultaneously comprises a first temperature sensor, a second temperature sensor, a third temperature sensor, a first water pump, a second water pump, a first control valve, a second control valve, a hot water control valve and a cold water control valve:
the temperature T of the solar collector detected by the first temperature sensor 8CollectionA second temperature sensor20 detecting water temperature T of hot water tankHeat generationAnd the third temperature sensor 12 detects the outdoor ambient temperature TRing (C)If T isCollection≤TRing (C)-t0(t0Is a preset temperature, preferably 2 ℃), controlling to close the first water pump 9, controlling to open the second water pump 17, opening the compressor 1, closing the first control valve 5, opening the second control valve 6, opening the hot water control valve 15, and closing the cold water control valve 16.
This is the utility model discloses a preferred control mode under the fourth operating mode, when solar radiation was more insufficient daytime, solar collector's temperature had not been provided the refrigerant evaporation and has absorbed the heat this moment, can only the independent operation heat pump to accomplish the preparation of hot water.
Preferably, the first and second electrodes are formed of a metal,
when a fan 10 for radiating heat of the outdoor heat exchanger 11 is further included, the fan 10 is turned on and operated to a high damper.
Because no heat collector provides heat, the evaporator can only absorb heat in the air, and a high wind shield needs to be operated, so that the evaporator and the air can exchange heat better, the evaporation temperature is increased, and the heat absorption capacity is increased.
If the T set is less than or equal to T ring-2, the heat pump mode is adopted independently. The control is as follows: and (3) opening a hot water electromagnetic valve, closing a cold water electromagnetic valve, opening a second water pump 17, closing a first control valve 5, opening a second control valve 6, starting a unit to operate a hot water heating mode, and operating a high wind shield by a fan.
Preferably, the first and second electrodes are formed of a metal,
when the system is operated at night and needs to prepare cold water, and simultaneously comprises a first water pump, a second water pump, a first control valve, a second control valve, a hot water control valve and a cold water control valve:
the first water pump 9 is controlled to be turned off, the second water pump 17 is controlled to be turned on, the compressor 1 is turned on, the first control valve 5 is opened, the second control valve 6 is closed, the hot water control valve 15 is closed, and the cold water control valve 16 is opened.
This is the utility model discloses an optimal control mode under fifth operating mode, prepare cold water, reduce outdoor heat exchanger consumption simultaneously, to the condenser cooling through solar collector radiation refrigeration when night promptly, in summer, refrigeration water is given the user refrigeration usefulness evening, and the user connects the wind dish and just can blow cold wind.
Preferably, the first and second electrodes are formed of a metal,
when a fan 10 for radiating heat of the outdoor heat exchanger 11 is further included, when T isHigh pressureAt > t1 ℃ (preferably 45 ℃), the fan 10 is turned on and run to the high windshield; when T2 ℃ is less than THigh pressureTurning on the blower 10 at ≦ t1 ℃ (t2 preferably 40 ℃, t1 preferably 45 ℃) and running to medium wind gear; when T isHigh pressureAt ≦ T2 ℃ (T2 preferably 40 ℃), the fan 10 is turned on and runs to low windshield, where T isHigh pressureThe saturation temperature corresponding to the discharge pressure of the compressor discharge port is t1, and t2 is a first preset temperature.
The refrigerant firstly enters the heat collector for heat dissipation and then enters the condenser for heat dissipation, so that the condensing pressure of the system is reduced, the rotating speed of the fan can be reduced, the power consumption is reduced, and the condensing and heat dissipation requirements of the air conditioner can be met; when the high-pressure temperature is high, the high-pressure side heat exchange effect is poor, the rotating speed of the fan needs to be increased at the moment, the heat dissipation of the condenser is promoted, and if the high-pressure temperature is low, a low windshield can be operated, and the power consumption of the fan is reduced.
When refrigeration water is needed at night (in summer, refrigeration water is used for refrigeration of users at night, and the users can blow cold air by connecting the air disc), the functions of radiation refrigeration and air conditioning refrigeration can be realized. Because the solar heat collector has the radiation refrigeration function and can be used as a condenser for heat dissipation, the heat exchange area of a condensation side is increased, the rotating speed of the fan is reduced, and the refrigeration efficiency of the unit is improved. The control is as follows: the method comprises the steps of firstly, opening a cold water electromagnetic valve, closing a hot water electromagnetic valve, opening a second water pump 17, closing a first water pump 9, secondly, opening a first control valve 5, closing a second control valve 6, thirdly, starting a unit, operating a refrigeration mode, and adjusting the operation of a fan according to the saturation temperature corresponding to the exhaust pressure (a refrigerant firstly enters a heat collector for heat dissipation and then enters a condenser for heat dissipation, so that the condensing pressure of the system is reduced, at the moment, the rotating speed of the fan can be reduced, the power consumption is reduced, and the condensing heat dissipation requirement of an air conditioner can be met). When the Thigh pressure is more than 45 ℃, a high windshield is operated, when the Thigh pressure is more than 40 ℃ and less than or equal to 45 ℃, a middle windshield is operated, and when the Thigh pressure is less than or equal to 40 ℃, a low windshield is operated (when the high pressure temperature is high, the heat exchange effect of the high pressure side is not good, the rotating speed of a fan needs to be increased at the moment, the heat dissipation of a condenser is promoted, and if the high pressure temperature is lower, the low windshield can be operated, and.
The utility model also provides an air conditioner, it includes preceding arbitrary solar energy air conditioner heat pump system.
The utility model can effectively produce hot water through solar energy by arranging the solar heat collector and the first water pipeline, can heat water in the second water pipeline through the refrigerant in the water side heat exchanger through the refrigerant circulating pipeline and the water side heat exchanger, can also release heat in the solar heat collector by arranging the solar heat collector on the refrigerant pipeline, can absorb heat in the water side heat exchanger to produce cold water, can reduce the power consumption of the outdoor heat exchanger (condenser), namely can radiate heat to the condenser of an air conditioner while effectively producing cold water through the radiation refrigeration of the solar heat collector at night, can simultaneously have the functions of heating and refrigerating when the solar heat collector is linked with the heat pump unit of the air conditioner, and improves the utilization rate of the flat plate heat collector, further improve the heating and refrigerating efficiency of the air conditioning unit and achieve the purpose of saving energy.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a solar energy air conditioner heat pump system which characterized in that: the method comprises the following steps:
the system comprises a compressor (1), an outdoor heat exchanger (11), a water side heat exchanger (19) and a throttling device (18), wherein a solar heat collector (7) is further arranged on a refrigerant pipeline between the compressor (1) and the outdoor heat exchanger (11), and refrigerant in the refrigerant pipeline can exchange heat with the solar heat collector in the solar heat collector;
the solar water heater also comprises a first water pipeline (101), and the solar heat collector (7) is also arranged on the first water pipeline (101) at the same time, so that the water in the first water pipeline (101) can exchange heat with the solar heat collector (7) to prepare hot water through solar energy; the system also comprises a second water pipeline (102), the second water pipeline (102) and the refrigerant pipeline, wherein heat exchange is carried out in the water side heat exchanger (19) so as to prepare hot water through a refrigerant; the solar collector (7) also enables the refrigerant in the refrigerant pipeline to release heat in the solar collector (7) so as to prepare cold water in the water side heat exchanger.
2. The solar air-conditioning heat pump system of claim 1, wherein:
parallel pipelines (103) are further arranged in parallel on the refrigerant pipelines at the two ends of the solar heat collector (7), a first control valve (5) is arranged on the refrigerant pipelines at the two ends of the solar heat collector (7), and a second control valve (6) is arranged on the parallel pipelines (103).
3. The solar air-conditioning heat pump system of claim 1, wherein:
the hot water system also comprises a hot water tank (13), wherein the first water pipeline (101) can be communicated into the hot water tank (13), and the second water pipeline (102) can also be communicated into the hot water tank (13); and/or the presence of a gas in the gas,
the first water pipeline (101) is provided with a first water pump (9), and the second water pipeline (102) is provided with a second water pump (17).
4. A solar air conditioning heat pump system according to claim 3, wherein:
the second water pipeline (102) is communicated with and enters the hot water tank (13) through a first branch (104), the second water pipeline further comprises a cold water tank (14), the second water pipeline (102) is communicated with and enters the cold water tank (14) through a second branch (105), and the first branch (104) and the second branch (105) are arranged in parallel.
5. The solar air-conditioning heat pump system of claim 4, wherein:
the first branch (104) is provided with a hot water control valve (15), and the second branch (105) is provided with a cold water control valve (16).
6. A solar air-conditioning heat pump system according to any one of claims 3-5, characterized in that:
a first temperature sensor (8) is arranged on the solar heat collector (7), a second temperature sensor (20) is arranged in the hot water tank (13), and a third temperature sensor (12) is arranged on the outdoor heat exchanger (11); and/or a fan (10) is also arranged at the outdoor heat exchanger (11); and/or the exhaust port of the compressor (1) is also provided with a pressure sensor (3).
7. A solar air-conditioning heat pump system according to any one of claims 1-5, characterized in that:
the solar heat collector (7) comprises a heat collecting plate (73), the heat collecting plate (73) is provided with a radiation refrigeration and heating coating, a refrigerant pipe (71) allowing a refrigerant to pass through is arranged in the heat collecting plate (73), and the refrigerant pipe (71) is provided with a refrigerant inlet (711) and a refrigerant outlet (712); a water pipe (72) allowing water to pass is arranged in the solar heat collector (7), and the water pipe (72) is provided with a water inlet (721) and a water outlet (722).
8. The solar air-conditioning heat pump system of claim 7, wherein:
the solar heat collector (7) also comprises a transparent cover plate (74) covered on the heat collecting plate (73); and/or the heat collecting plate (73) is also provided with heat insulation cotton (75).
9. A solar air-conditioning heat pump system according to any one of claims 1-5, characterized in that:
the solar energy heat collector is characterized by further comprising a four-way valve (4), wherein the first end of the four-way valve (4) is connected with the exhaust end of the compressor (1), the second end of the four-way valve is connected with the air suction end of the compressor (1), the third end of the four-way valve is connected with the solar energy heat collector (7), and the fourth end of the four-way valve is connected with the water side heat exchanger (19).
10. An air conditioner, characterized in that: comprising the solar air conditioning heat pump system of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006688.5U CN211119816U (en) | 2019-11-19 | 2019-11-19 | Solar air-conditioning heat pump system and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006688.5U CN211119816U (en) | 2019-11-19 | 2019-11-19 | Solar air-conditioning heat pump system and air conditioner |
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| Publication Number | Publication Date |
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| CN211119816U true CN211119816U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922006688.5U Withdrawn - After Issue CN211119816U (en) | 2019-11-19 | 2019-11-19 | Solar air-conditioning heat pump system and air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848846A (en) * | 2019-11-19 | 2020-02-28 | 珠海格力电器股份有限公司 | Solar air-conditioning heat pump system, control method and air conditioner |
| CN115127167A (en) * | 2022-08-31 | 2022-09-30 | 宁波奥克斯电气股份有限公司 | Solar water heating and air conditioning integrated system, control method thereof and air conditioner |
-
2019
- 2019-11-19 CN CN201922006688.5U patent/CN211119816U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848846A (en) * | 2019-11-19 | 2020-02-28 | 珠海格力电器股份有限公司 | Solar air-conditioning heat pump system, control method and air conditioner |
| CN110848846B (en) * | 2019-11-19 | 2023-12-08 | 珠海格力电器股份有限公司 | Solar air conditioner heat pump system, control method and air conditioner |
| CN115127167A (en) * | 2022-08-31 | 2022-09-30 | 宁波奥克斯电气股份有限公司 | Solar water heating and air conditioning integrated system, control method thereof and air conditioner |
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