CN220017579U - Photo-thermal and geothermal coupling heating and refrigerating dual-purpose system - Google Patents
Photo-thermal and geothermal coupling heating and refrigerating dual-purpose system Download PDFInfo
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- CN220017579U CN220017579U CN202321293716.6U CN202321293716U CN220017579U CN 220017579 U CN220017579 U CN 220017579U CN 202321293716 U CN202321293716 U CN 202321293716U CN 220017579 U CN220017579 U CN 220017579U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 39
- 230000008878 coupling Effects 0.000 title claims abstract description 9
- 238000010168 coupling process Methods 0.000 title claims abstract description 9
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 83
- 239000003507 refrigerant Substances 0.000 claims abstract description 65
- 238000010521 absorption reaction Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 10
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a heating and refrigerating dual-purpose system with coupling of light and heat and geothermal energy, which belongs to the technical field of energy utilization and comprises a light and heat and geothermal energy circulating unit, a refrigerant circulating unit and a tail end circulating unit; the heat absorption source of the refrigerant circulation unit in the heating mode is provided by absorbing solar energy by the solar heat absorption plate to heat the heat conduction liquid and then discharging heat, the geothermal U-shaped pipe absorbs geothermal energy to heat the heat conduction liquid and then discharging heat at night, the heat release source of the refrigerant circulation unit in the cooling mode is absorbed by the low-temperature heat conduction liquid in the geothermal U-shaped pipe, and the photo-thermal and geothermal energy are coupled to a heating and refrigerating dual-purpose system for heating and refrigerating, so that the heating and refrigerating effect in the daytime can be ensured, the defect of the heating and refrigerating effect at night can be overcome, and the heating and refrigerating effects are good.
Description
Technical Field
The utility model belongs to the technical field of energy utilization, and particularly relates to a heating and refrigerating dual-purpose system with photo-thermal and geothermal coupling.
Background
The heating and refrigerating system is a system for supplying heat or cold to the room by a certain method to keep the room at a certain temperature so as to create proper living conditions or working conditions.
With the improvement of environmental protection and energy saving, the heating and refrigerating method of the heating and refrigerating dual-purpose system is realized by burning traditional fuel gas to the existing solar heat pump, but the solar heat pump is used for providing energy for the heating and refrigerating system by absorbing solar energy and converting the solar energy into heat energy, so that the condition of insufficient heating easily occurs at night.
Disclosure of Invention
To solve the problems set forth in the background art. The utility model provides a heating and refrigerating dual-purpose system with coupling of light and heat and geothermal energy, which has the characteristics of ensuring the heating and refrigerating effect in the daytime, and also making up the deficiency of the heating and refrigerating effect at night and having good heating and refrigerating effects.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a heating and refrigerating dual-purpose system with light and heat coupled with geothermal energy comprises a light and heat and geothermal energy circulating unit, a refrigerant circulating unit and a tail end circulating unit;
the solar heat absorption plate heat conduction liquid outlet is connected with the b-end inlet of the geothermal electric three-way valve through a pipeline, the solar heat absorption plate heat conduction liquid inlet is connected with the 2-end outlet of the photothermal electric three-way valve through a pipeline, the geothermal U-shaped pipe heat conduction liquid outlet is connected with the c-end inlet of the geothermal electric three-way valve through a pipeline, the geothermal U-shaped pipe heat conduction liquid inlet is connected with the 3-end outlet of the photothermal electric three-way valve through a pipeline, the a-end outlet of the geothermal electric three-way valve is connected with the inlet of the heat conduction liquid circulation pump through a pipeline, and the 1-end inlet of the heat conduction liquid circulation pump and the 1-end inlet of the photothermal electric three-way valve are connected with the refrigerant circulation unit;
the refrigerant circulation unit comprises a compressor, a four-way valve, a condenser, an auxiliary electronic expansion valve, a main electronic expansion valve, a plate heat exchanger and a gas-liquid separator, wherein an exhaust port of the compressor is connected with an inlet of an e end of the four-way valve through a pipeline, an outlet of an f end of the four-way valve is connected with a refrigerant inlet of the condenser through a pipeline, the refrigerant outlet of the condenser is respectively connected with the auxiliary electronic expansion valve and an inlet of the main electronic expansion valve through a pipeline, the outlets of the auxiliary electronic expansion valve and the main electronic expansion valve are respectively connected with an air injection port of a medium pressure cavity of the compressor and a refrigerant inlet of the plate heat exchanger through a pipeline, a refrigerant outlet of the plate heat exchanger is connected with an inlet of an h end of the four-way valve through a pipeline, an outlet of the g end of the four-way valve is connected with an inlet of the gas-liquid separator through a pipeline, an outlet of the gas-liquid separator is connected with a return port of the compressor through a pipeline, a heat conducting liquid inlet and an outlet of the plate heat exchanger are respectively connected with an outlet of a heat conducting liquid circulation pump and an inlet of the light-heat conducting liquid three-way valve through a pipeline, and a water circulation of the condenser is connected with a tail end circulation unit;
the tail end circulation unit comprises a tail end circulation pump, a plurality of rooms and a plurality of fan coils, wherein the inlet of the tail end circulation pump is connected with the water circulation outlet of the condenser through a pipeline, the fan coils are respectively and independently fixedly connected in the rooms, the outlet of the tail end circulation pump is respectively connected with the inlets of the fan coils through pipelines, and the outlets of the fan coils are connected with the water circulation inlet of the condenser through pipelines.
Further, the solar heat absorption plate also comprises an exhaust valve, and the exhaust valve is fixedly connected to the exhaust port of the solar heat absorption plate.
Further, the system also comprises an economizer, wherein the refrigerant outlet of the condenser is connected with the inlet of a first channel of the economizer through a pipeline, the outlet of the first channel of the economizer is respectively connected with the inlets of the auxiliary electronic expansion valve and the main electronic expansion valve through pipelines, the outlet of the auxiliary electronic expansion valve is connected with the inlet of a second channel of the economizer through a pipeline, and the outlet of the second channel of the economizer is connected with the air nozzle of the compressor through a pipeline.
Further, the heat exchanger further comprises a liquid storage device, wherein the outlet of the main circuit electronic expansion valve is connected with the inlet of the liquid storage device through a pipeline, and the outlet of the liquid storage device is connected with the refrigerant inlet of the plate heat exchanger through a pipeline.
Further, the fan coil cooling system also comprises a plurality of control valves, wherein the control valves are fixedly connected to the inlet pipeline and the outlet pipeline of the fan coil respectively.
Compared with the prior art, the utility model has the beneficial effects that:
1. the heat absorption source of the refrigerant circulation unit in the heating mode is provided by absorbing solar energy by the solar heat absorption plate to heat the heat conduction liquid and then discharging heat, the geothermal U-shaped pipe absorbs geothermal energy to heat the heat conduction liquid and then discharging heat at night, the heat release source of the refrigerant circulation unit in the cooling mode is absorbed by the low-temperature heat conduction liquid in the geothermal U-shaped pipe, and the photo-thermal and geothermal energy are coupled to a heating and refrigerating dual-purpose system for heating and refrigerating, so that the heating and refrigerating effect in the daytime can be ensured, the defect of the heating and refrigerating effect at night can be overcome, and the heating and refrigerating effects are good.
2. The utility model is provided with the economizer, can supercool the refrigerant after condensing and releasing heat by the condenser, quickly stabilizes the refrigerant and improves the energy efficiency ratio of heating and refrigerating of the system.
3. The utility model is provided with the liquid storage device, can adjust and stabilize the circulation quantity of the refrigerant in the system, and ensures the stable heating and refrigerating effects of the system.
4. According to the utility model, the control valves are arranged on the inlet pipeline and the outlet pipeline of the fan coil, and the corresponding control valves can be selectively opened or closed according to the actual use condition of a room, so that the purpose of accurately adjusting the indoor temperature of the room is achieved, and the energy waste is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure: 1. a solar absorber plate; 2. a geothermal electric three-way valve; 3. an exhaust valve; 4. a photo-thermal electric three-way valve; 5. a plate heat exchanger; 6. a gas-liquid separator; 7. a compressor; 8. a four-way valve; 9. a terminal circulation pump; 10. a fan coil; 11. a room; 12. a control valve; 13. a condenser; 14. an economizer; 15. auxiliary electronic expansion valve; 16. geothermal U-shaped pipe; 17. a main electronic expansion valve; 18. a reservoir; 19. and a heat conducting liquid circulating pump.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1, the present utility model provides the following technical solutions: a heating and refrigerating dual-purpose system with light and heat coupled with geothermal energy comprises a light and heat and geothermal energy circulating unit, a refrigerant circulating unit and a tail end circulating unit;
the photo-thermal and geothermal circulating unit comprises a solar heat absorbing plate 1, a geothermal electric three-way valve 2, a photo-thermal electric three-way valve 4, a geothermal U-shaped pipe 16 and a heat conducting liquid circulating pump 19, wherein a heat conducting liquid outlet of the solar heat absorbing plate 1 is connected with a b-end inlet of the geothermal electric three-way valve 2 through a pipeline, a heat conducting liquid inlet of the solar heat absorbing plate 1 is connected with a 2-end outlet of the photo-thermal electric three-way valve 4 through a pipeline, a heat conducting liquid outlet of the geothermal U-shaped pipe 16 is connected with a c-end inlet of the geothermal electric three-way valve 2 through a pipeline, a heat conducting liquid inlet of the geothermal electric three-way valve 2 is connected with a 3-end outlet of the photo-thermal electric three-way valve 4 through a pipeline, and a heat conducting liquid circulating pump 19 outlet and a 1-end inlet of the photo-thermal electric three-way valve 4 are connected with the refrigerant circulating unit;
the refrigerant circulation unit comprises a compressor 7, a four-way valve 8, a condenser 13, an auxiliary electronic expansion valve 15, a main electronic expansion valve 17, a plate heat exchanger 5 and a gas-liquid separator 6, wherein an exhaust port of the compressor 7 is connected with an inlet of an end 8e of the four-way valve through a pipeline, an outlet of an end 8f of the four-way valve is connected with a refrigerant inlet of the condenser 13 through a pipeline, a refrigerant outlet of the condenser 13 is respectively connected with an inlet of the auxiliary electronic expansion valve 15 and an inlet of the main electronic expansion valve 17 through a pipeline, an outlet of the auxiliary electronic expansion valve 15 and an outlet of the main electronic expansion valve 17 are respectively connected with a medium-pressure cavity air nozzle of the compressor 7 and a refrigerant inlet of the plate heat exchanger 5 through a pipeline, a refrigerant outlet of the plate heat exchanger 5 is connected with an inlet of the four-way valve 8 through a pipeline, an outlet of a g end of the four-way valve 8 is connected with an inlet of the gas-liquid separator 6 through a pipeline, an outlet of the gas-liquid separator 6 is connected with a return port of the compressor 7 through a pipeline, a heat-conducting liquid inlet and an outlet of the plate heat exchanger 5 is respectively connected with a heat-conducting liquid circulation pump 19 outlet and a 1 end inlet of the optical-driven thermoelectric valve 4 through a pipeline, and a water circulation unit of the condenser 13 is connected with an inlet and an inlet of the tail-end circulation unit;
the tail end circulation unit comprises a tail end circulation pump 9, a plurality of rooms 11 and a plurality of fan coils 10, wherein the inlet of the tail end circulation pump 9 is connected with the water circulation outlet of the condenser 13 through a pipeline, the plurality of fan coils 10 are respectively and independently fixedly connected in the plurality of rooms 11, the outlet of the tail end circulation pump 9 is respectively connected with the inlets of the plurality of fan coils 10 through a pipeline, and the outlet of the plurality of fan coils 10 is connected with the water circulation inlet of the condenser 13 through a pipeline.
Specifically, the solar energy heat absorbing plate further comprises an exhaust valve 3, and the exhaust valve 3 is fixedly connected to the exhaust port of the solar energy heat absorbing plate 1.
The working principle of the embodiment is as follows:
in the heating mode, the system working principle is as follows:
during the daytime, the following steps are:
the end a and the end b of the geothermal electric three-way valve 2 are connected, the end 1 and the end 2 of the geothermal electric three-way valve 4 are connected, the heat conducting liquid circulating pump 19 is started, the heat conducting liquid which absorbs solar energy in the solar heat absorption plate 1 is pumped into the heat conducting liquid channel of the plate heat exchanger 5 through a pipeline to release heat, and the heat conducting liquid after heat release returns into the solar heat absorption plate 1 through the pipeline to continuously absorb solar energy, so that photo-thermal circulation is realized;
the e and f ends and g and h ends of the four-way valve 8 are communicated, the compressor 7 compresses the refrigerant into a high-temperature high-pressure gas state, the refrigerant enters a refrigerant channel of the condenser 13 through the e and f ends of the four-way valve 8 to be condensed and released, one path of the condensed high-pressure low-temperature liquid refrigerant is sprayed into a medium-pressure cavity of the compressor 7 through the auxiliary electronic expansion valve 15, the other path of the condensed high-pressure low-temperature liquid refrigerant is throttled and depressurized through the main electronic expansion valve 17 to be low-temperature low-pressure liquid refrigerant enters the refrigerant channel of the plate heat exchanger 5, the heat released by the heat conducting liquid in the heat conducting liquid channel of the plate heat exchanger 5 is absorbed to be changed into a low-temperature low-pressure gas state, and the low-pressure gas state enters the gas-liquid separator 6 through the g and h ends of the four-way valve 8 to return to the compressor 7, and thus the refrigerant circulation is realized;
the tail end circulating pump 9 is started, tail end circulating water after absorbing heat through the condenser 13 is pumped into the fan coils 10 of the rooms 11, the fan coils 10 release heat into the rooms 11, and the tail end circulating water after releasing heat returns to the condenser 13 through a pipeline to continuously absorb heat, so that tail end circulation is realized;
the photo-thermal cycle, the refrigerant cycle and the tail end cycle are reciprocally circulated until the temperature of the room 11 is increased to the set temperature, so as to realize photo-thermal heating;
at night:
the end a and the end c of the geothermal electric three-way valve 2 are connected, the end 1 and the end 3 of the geothermal electric three-way valve 4 are connected, the heat conducting liquid circulating pump 19 is started, the heat conducting liquid which absorbs geothermal energy in the geothermal U-shaped pipe 16 is pumped into the heat conducting liquid channel of the plate heat exchanger 5 through a pipeline to release heat, the exothermic heat conducting liquid returns to the geothermal U-shaped pipe 16 through the pipeline to continuously absorb the geothermal energy, geothermal circulation is realized, refrigerant circulation and tail end circulation are still realized, and geothermal heating is realized;
in the refrigeration mode, the working principle of the system is as follows:
the end a and the end c of the geothermal electric three-way valve 2 are connected, the end 1 and the end 3 of the geothermal electric three-way valve 4 are connected, the heat conducting liquid circulating pump 19 is started, the low-temperature heat conducting liquid in the geothermal U-shaped pipe 16 is pumped into a heat conducting liquid channel of the plate heat exchanger 5 through a pipeline to absorb heat, and the heat conducting liquid after heat absorption returns into the geothermal U-shaped pipe 16 through the pipeline to continuously release heat, so that geothermal circulation is realized;
the e and h ends and f and g ends of the four-way valve 8 are communicated, the compressor 7 compresses the refrigerant into a high-temperature high-pressure gas state, the refrigerant enters the refrigerant channels of the plate heat exchanger 5 through the e and h ends of the four-way valve 8 to be condensed and released, the auxiliary electronic expansion valve 15 is in a closed state at the moment, the condensed high-pressure low-temperature liquid refrigerant is throttled and depressurized into a low-temperature low-pressure liquid refrigerant through the main electronic expansion valve 17, the low-temperature low-pressure liquid refrigerant enters the condenser 13 through a pipeline to be evaporated and absorbed into a low-temperature low-pressure gas state, and the low-pressure gas state enters the gas-liquid separator 6 through the f and g ends of the four-way valve 8 to return to the compressor 7, so that the refrigerant circulation is realized;
the tail end circulating pump 9 is started, tail end circulating water which is released by the condenser 13 is pumped into the fan coils 10 of the rooms 11, the fan coils 10 absorb heat into the rooms 11, and the tail end circulating water which is absorbed heat returns to the condenser 13 through a pipeline to continuously release heat, so that tail end circulation is realized;
the photo-thermal cycle, the refrigerant cycle and the end cycle are reciprocally circulated in this way until the temperature of the room 11 is reduced to a set temperature, thereby realizing geothermal refrigeration.
Example 2
The difference between this embodiment and embodiment 1 is that:
specifically, the system also comprises an economizer 14, a refrigerant outlet of the condenser 13 is connected with a first channel inlet of the economizer 14 through a pipeline, a first channel outlet of the economizer 14 is respectively connected with inlets of the auxiliary electronic expansion valve 15 and the main electronic expansion valve 17 through a pipeline, an outlet of the auxiliary electronic expansion valve 15 is connected with a second channel inlet of the economizer 14 through a pipeline, and an outlet of the second channel of the economizer 14 is connected with a gas nozzle of the compressor 7 through a pipeline.
The working principle of the embodiment is as follows:
in a heating mode, the condensed high-pressure low-temperature liquid refrigerant is supercooled through an economizer 14, one path of the condensed high-pressure low-temperature liquid refrigerant is sprayed into a medium-pressure cavity of the compressor 7 through an auxiliary path electronic expansion valve 15, and the other path of the condensed high-pressure low-temperature liquid refrigerant is throttled and depressurized through a main path electronic expansion valve 17 to be low-temperature low-pressure liquid refrigerant and enters a refrigerant channel of the plate heat exchanger 5;
in the refrigeration mode, the condensed high-pressure low-temperature liquid refrigerant is throttled and depressurized into low-temperature low-pressure liquid refrigerant through the main circuit electronic expansion valve 17, and then enters the condenser 13 through the economizer 14 to be evaporated and absorbed.
Example 3
This embodiment differs from embodiment 2 in that:
specifically, the device also comprises a liquid storage 18, an outlet of the main electronic expansion valve 17 is connected with an inlet of the liquid storage 18 through a pipeline, and an outlet of the liquid storage 18 is connected with a refrigerant inlet of the plate heat exchanger 5 through a pipeline.
The working principle of the embodiment is as follows:
in the heating mode, the other path of liquid refrigerant which is throttled and depressurized into low temperature and low pressure through the main path electronic expansion valve 17 passes through the liquid accumulator 18 and then enters the refrigerant channel of the plate heat exchanger 5;
in the refrigeration mode, the high-pressure low-temperature liquid refrigerant condensed by the plate heat exchanger 5 enters the main electronic expansion valve 17 through the liquid accumulator 18 to be throttled and depressurized into low-temperature low-pressure liquid refrigerant.
Example 4
This embodiment differs from embodiment 3 in that:
specifically, the fan coil also comprises a plurality of control valves 12, wherein the control valves 12 are fixedly connected to the inlet pipeline and the outlet pipeline of the fan coil 10 respectively.
The working principle of the embodiment is as follows:
the corresponding control valve 12 can be selectively opened or closed according to the actual use condition of the room 11 so as to achieve the purpose of accurately adjusting the indoor temperature of the room 11.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A heating and refrigerating dual-purpose system with light and heat coupled with geothermal energy is characterized in that: comprises a photo-thermal and geothermal circulating unit, a refrigerant circulating unit and a tail end circulating unit;
the solar heat absorption plate (1) heat conduction liquid outlet is connected with a b end inlet of the geothermal electric three-way valve (2) through a pipeline, the solar heat absorption plate (1) heat conduction liquid inlet is connected with a 2 end outlet of the geothermal electric three-way valve (4) through a pipeline, the geothermal heat U-shaped pipe (16) heat conduction liquid outlet is connected with a c end inlet of the geothermal electric three-way valve (2) through a pipeline, the geothermal heat U-shaped pipe (16) heat conduction liquid inlet is connected with a 3 end outlet of the geothermal electric three-way valve (4) through a pipeline, an a end outlet of the geothermal electric three-way valve (2) is connected with an inlet of the heat conduction liquid circulating pump (19) through a pipeline, and an outlet of the heat conduction liquid circulating pump (19) and an 1 end inlet of the geothermal electric three-way valve (4) are connected with the refrigerant circulating unit;
the refrigerant circulation unit comprises a compressor (7), a four-way valve (8), a condenser (13), an auxiliary electronic expansion valve (15), a main electronic expansion valve (17), a plate heat exchanger (5) and a gas-liquid separator (6), wherein an exhaust port of the compressor (7) is connected with an e-end inlet of the four-way valve (8) through a pipeline, an f-end outlet of the four-way valve (8) is connected with a refrigerant inlet of the condenser (13) through a pipeline, a refrigerant outlet of the condenser (13) is respectively connected with inlets of the auxiliary electronic expansion valve (15) and the main electronic expansion valve (17) through pipelines, outlets of the auxiliary electronic expansion valve (15) and the main electronic expansion valve (17) are respectively connected with a pressure cavity opening in the compressor (7) and a refrigerant inlet of the plate heat exchanger (5) through pipelines, a refrigerant outlet of the plate heat exchanger (5) is connected with an h-end inlet of the four-way valve (8) through a pipeline, a g-end outlet of the four-way valve (8) is connected with an inlet of the gas-liquid separator (6) through a pipeline, and a refrigerant outlet of the air-liquid separator (6) is respectively connected with an air inlet of the auxiliary electronic expansion valve (15) and an air pump (17) through pipelines, and an air inlet of the auxiliary electronic expansion valve (15) and an air pump (1) through an air pump inlet of the air pump, and an air-jet pump inlet of the air-jet pump (1) are respectively connected with the air-jet pump inlet of the air circulation unit;
the tail end circulation unit comprises a tail end circulation pump (9), a plurality of rooms (11) and a plurality of fan coils (10), wherein the inlet of the tail end circulation pump (9) is connected with the water circulation outlet of the condenser (13) through a pipeline, the fan coils (10) are respectively and singly fixedly connected in the rooms (11), the outlet of the tail end circulation pump (9) is respectively connected with the inlets of the fan coils (10) through a pipeline, and the outlets of the fan coils (10) are respectively connected with the water circulation inlet of the condenser (13) through a pipeline.
2. The dual-purpose system for heating and cooling by coupling light and heat with geothermal energy according to claim 1, wherein: the solar heat absorption device also comprises an exhaust valve (3), wherein the exhaust valve (3) is fixedly connected to the exhaust port of the solar heat absorption plate (1).
3. The dual-purpose system for heating and cooling by coupling light and heat with geothermal energy according to claim 1, wherein: the condenser is characterized by further comprising an economizer (14), wherein a refrigerant outlet of the condenser (13) is connected with a first channel inlet of the economizer (14) through a pipeline, the first channel outlet of the economizer (14) is respectively connected with inlets of an auxiliary electronic expansion valve (15) and a main electronic expansion valve (17) through pipelines, an outlet of the auxiliary electronic expansion valve (15) is connected with a second channel inlet of the economizer (14) through a pipeline, and a second channel outlet of the economizer (14) is connected with an air nozzle of the compressor (7) through a pipeline.
4. The dual-purpose system for heating and cooling by coupling light and heat with geothermal energy according to claim 1, wherein: the heat exchanger further comprises a liquid storage device (18), wherein the outlet of the main circuit electronic expansion valve (17) is connected with the inlet of the liquid storage device (18) through a pipeline, and the outlet of the liquid storage device (18) is connected with the refrigerant inlet of the plate heat exchanger (5) through a pipeline.
5. The dual-purpose system for heating and cooling by coupling light and heat with geothermal energy according to claim 1, wherein: the fan coil also comprises a plurality of control valves (12), wherein the control valves (12) are arranged, and the control valves (12) are respectively and fixedly connected to the inlet and outlet pipelines of the fan coil (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321293716.6U CN220017579U (en) | 2023-05-25 | 2023-05-25 | Photo-thermal and geothermal coupling heating and refrigerating dual-purpose system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321293716.6U CN220017579U (en) | 2023-05-25 | 2023-05-25 | Photo-thermal and geothermal coupling heating and refrigerating dual-purpose system |
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| Publication Number | Publication Date |
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| CN220017579U true CN220017579U (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321293716.6U Active CN220017579U (en) | 2023-05-25 | 2023-05-25 | Photo-thermal and geothermal coupling heating and refrigerating dual-purpose system |
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| Country | Link |
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| CN (1) | CN220017579U (en) |
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2023
- 2023-05-25 CN CN202321293716.6U patent/CN220017579U/en active Active
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