CN113154564A - Multifunctional heat pump device - Google Patents
Multifunctional heat pump device Download PDFInfo
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- CN113154564A CN113154564A CN202110427232.5A CN202110427232A CN113154564A CN 113154564 A CN113154564 A CN 113154564A CN 202110427232 A CN202110427232 A CN 202110427232A CN 113154564 A CN113154564 A CN 113154564A
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- port
- hot water
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- heat
- heat exchanger
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 131
- 238000004378 air conditioning Methods 0.000 claims abstract description 59
- 238000011084 recovery Methods 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000003507 refrigerant Substances 0.000 abstract description 52
- 238000005057 refrigeration Methods 0.000 abstract description 7
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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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]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention provides a multifunctional heat pump device, which comprises an air conditioner unit and a hot water unit, wherein the air conditioner unit comprises an air conditioner compressor, a heat recovery heat exchanger, an air conditioner four-way valve, an air conditioner evaporator, an air conditioner throttle, an air conditioner heat exchanger, a temperature control device and an air conditioner pump; on the other hand, under the mode of hot water is prepared simultaneously in the refrigeration, hot water unit carries out heat recovery from the air conditioning unit to be used for preparing hot water, not only can practice thrift the energy of preparing hot water, help dispelling the heat to the refrigerant moreover, improve the radiating efficiency, reduce condensation temperature, thereby promote refrigeration efficiency.
Description
Technical Field
The invention relates to the field of air source heat pump equipment, in particular to a multifunctional heat pump device.
Background
A heat pump is an energy saving device that uses high level energy to cause heat to flow from a low level heat source to a high level heat source. The air is used as a low-level heat source of the heat pump, is inexhaustible, is available everywhere and can be acquired without compensation, the air source heat pump is convenient to install and use, and in the existing heat pump device, the air energy heat pump water heater can only realize the single function of preparing hot water by utilizing air energy; the air energy heat pump air conditioner can only realize the functions of cooling and heating rooms; the existing heat pump device has the defects of single function, a plurality of heat pump devices are not mutually associated, and the utilization rate of an air source is low, so that a multifunctional heat pump device is needed to be manufactured, the multifunctional heat pump device can simultaneously have multiple functions of heating, refrigerating, preparing hot water and the like of an air conditioner, heat can be recycled, and the utilization rate of the air source is improved.
Disclosure of Invention
It is an object of the present invention to provide a multifunctional heat pump apparatus to solve the problems mentioned in the background art.
In order to achieve the above purpose, the invention provides the following technical scheme:
a multifunctional heat pump device comprises an air conditioning unit and a hot water unit, wherein the air conditioning unit comprises an air conditioning compressor, a heat recovery heat exchanger, an air conditioning four-way valve, an air conditioning evaporator, an air conditioning restrictor, an air conditioning heat exchanger, a temperature control device and an air conditioning pump;
the heat recovery heat exchanger comprises an A port, a B port, a C port and a D port which are mutually communicated, the air-conditioning heat exchanger comprises an E port, an F port, a G port and an H port which are mutually communicated, the input end of an air-conditioning compressor, the B port, the E port and one end of an air-conditioning evaporator are respectively connected with an air-conditioning four-way valve, the output end of the air-conditioning compressor is connected with the A port, the two ends of an air-conditioning throttler are respectively connected with the F port and the other end of the air-conditioning evaporator, an air-conditioning pump is respectively connected with the output end of a temperature control device and the H port, and the input end of the temperature control device is connected with the G port;
the hot water unit comprises a hot water compressor, a hot water four-way valve, a hot water evaporator, a hot water restrictor, a hot water heat exchanger, a hot water tank and a hot water pump;
the hot water heat exchanger comprises an I port, a J port, a K port and an L port which are mutually communicated, the input end of the hot water compressor, the output end of the hot water compressor, the I port and one end of the hot water evaporator are respectively connected with the hot water four-way valve, the two ends of the hot water restrictor are respectively connected with the J port and the other end of the hot water evaporator, one end of the hot water pump is connected with one end of the hot water tank, the other end of the hot water pump is respectively connected with the D port and the L port, and the other end of the hot water tank is respectively connected with the C port and the K port.
Further description of the invention: the temperature control equipment adopts water floor heating.
Further description of the invention: the temperature control equipment adopts a fan coil.
Further description of the invention: the heat recovery heat exchanger, the air conditioner heat exchanger and the hot water heat exchanger all adopt fin type heat exchangers.
The invention has the beneficial effects that: the diversification of the functions of the heat pump is realized by combining the air conditioning unit and the hot water unit, on one hand, the multiple functions of independent refrigeration, independent heating, independent hot water preparation, heating and hot water preparation and refrigeration and hot water preparation can be realized, the applicability of the heat pump is greatly improved, and the cost of a user is saved; on the other hand, under the mode of hot water is prepared simultaneously in the refrigeration, hot water unit carries out heat recovery from the air conditioning unit to be used for preparing hot water, not only can practice thrift the energy of preparing hot water, help dispelling the heat to the refrigerant moreover, improve the radiating efficiency, reduce condensation temperature, thereby promote refrigeration efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the operation of the present invention in cooling alone;
FIG. 3 is a schematic diagram of the operation of the present invention in heating alone;
FIG. 4 is a schematic diagram of the present invention when hot water is separately prepared;
FIG. 5 is a schematic diagram of the present invention in which hot water is simultaneously heated and heated;
FIG. 6 is a schematic diagram of the present invention in which the present invention works to simultaneously refrigerate and produce hot water;
description of reference numerals:
1. an air conditioning unit; 11. an air conditioning compressor; 12. a heat recovery heat exchanger; 121. an A port; 122. a port B; 123. a C port; 124. a D port; 13. an air conditioner four-way valve; 131. a first branch;
132. a second branch circuit; 133. a third branch; 134. a fourth branch; 14. an air conditioning evaporator; 15. an air conditioning restrictor; 16. an air conditioner heat exchanger; 161. an E port; 162. an F port; 163. a G port;
164. an H port; 17. a temperature control device; 18. an air conditioning pump;
2. a hot water unit; 21. a hot water compressor; 22. a hot water four-way valve; 221. a fifth branch; 222. a sixth branch; 223. a seventh branch; 224. an eighth branch; 23. a hot water evaporator; 24. a hot water restrictor; 25. a hot water heat exchanger; 251. an I port; 252. a J port; 253. a K port; 254. an L port; 26. a hot water tank; 27. a hot water pump.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, a multifunctional heat pump device comprises an air conditioning unit 1 and a hot water unit 2, wherein the air conditioning unit 1 comprises an air conditioning compressor 11, a heat recovery heat exchanger 12, an air conditioning four-way valve 13, an air conditioning evaporator 14, an air conditioning restrictor 15, an air conditioning heat exchanger 16, a temperature control device 17 and an air conditioning pump 18;
the heat recovery heat exchanger 12 includes a port a 121 and a port B122 which communicate with each other and a port C123 and a port D124 which communicate with each other, the air conditioner heat exchanger 16 includes a port E161 and a port F162 which communicate with each other and a port G163 and a port H164 which communicate with each other, the input terminal of the air conditioner compressor 11, the port B122, the port E161 and one end of the air conditioner evaporator 14 are respectively connected with the first branch 131, the second branch 132, the third branch 133 and the fourth branch 134 of the air conditioner four-way valve 13, the heat pump device realizes different functions by switching the communication relation among the branches, the output end of the air-conditioning compressor 11 is connected with the port A121, the two ends of the air-conditioning throttler 15 are respectively connected with the port F162 and the other end of the air-conditioning evaporator 14, the air-conditioning pump 18 is respectively connected with the output end of the temperature control device 17 and the port H164, and the input end of the temperature control device 17 is connected with the port G163;
the hot water unit 2 comprises a hot water compressor 21, a hot water four-way valve 22, a hot water evaporator 23, a hot water restrictor 24, a hot water heat exchanger 25, a hot water tank 26 and a hot water pump 27;
the hot water heat exchanger 25 comprises an I port 251 and a J port 252 which are communicated with each other, and a K port 253 and an L port 254 which are communicated with each other, wherein the input end of the hot water compressor 21, the output end of the hot water compressor 21, one end of the I port 251 and one end of the hot water evaporator 23 are respectively connected with a fifth branch 221, a sixth branch 222, a seventh branch 223 and an eighth branch 224 of the hot water four-way valve 22, and different functions of the heat pump device are realized through switching of the communication relation among the branches, two ends of the hot water restrictor 24 are respectively connected with the J port 252 and the other end of the hot water evaporator 23, one end of the hot water pump 27 is connected with one end of the hot water tank 26, the other end of the hot water pump 27 is respectively connected with the D port 124 and the L port 254, and the other end of the hot water tank 26 is respectively connected with the C port 123 and the K port 253.
In this design, the temperature control device 17 can adopt a floor heating device or a fan coil and other devices for adjusting the indoor temperature to meet the actual needs of customers.
In the design, the heat recovery heat exchanger 12, the air-conditioning heat exchanger 16 and the hot water heat exchanger 25 all adopt fin type heat exchangers, which is beneficial to accelerating heat exchange between the refrigerant and the air and improving the efficiency of refrigeration and heating.
The working principle of the embodiment is as follows:
as shown in fig. 2, when the single cooling mode is selected, the hot water unit 2 does not operate, the first branch 131 of the air conditioner four-way valve 13 is communicated with the third branch 133, the second branch 132 is communicated with the fourth branch 134, the air conditioner compressor 11 compresses the refrigerant into the refrigerant gas of high temperature and high pressure and discharges the refrigerant gas from the output end, the refrigerant passes through the heat recovery heat exchanger 12, the second branch 132 and the fourth branch 134 in sequence, heat exchange is performed in the air conditioner evaporator 14, the refrigerant is changed into the liquid of high temperature and high pressure after the heat is transferred from the high temperature refrigerant to the low temperature air, then the refrigerant is changed into the liquid of low temperature and low pressure through the air conditioner restrictor 15, the air conditioner pump 18 makes the medium in the temperature control device 17 flow toward the G port 163 through the H port 164 of the air conditioner heat exchanger 16, and the refrigerant exchanges heat with the medium while flowing toward the E port 161 through the F port 162, the heat is transferred to the refrigerant from the high-temperature medium, the refrigerant absorbs heat and becomes high-temperature gas, the high-temperature gas passes through the third branch 133, the first branch 131 and the input end of the air-conditioning compressor 11 in sequence, the air-conditioning compressor 11 recompresses the high-temperature high-pressure gas, the medium cooled in the air-conditioning heat exchanger 16 flows into the temperature control device 17 to cool the indoor space, and the process is circulated until the indoor temperature is reduced to a set value.
As shown in fig. 3, when the single heating mode is selected, the hot water unit 2 does not operate, the first branch 131 of the air conditioner four-way valve 13 is communicated with the fourth branch 134, the second branch 132 is communicated with the third branch 133, the air conditioner compressor 11 compresses the refrigerant to form high-temperature and high-pressure refrigerant gas and discharges the refrigerant gas from the output end, the refrigerant passes through the heat recovery heat exchanger 12, the second branch 132 and the third branch 133 in sequence, the refrigerant flows from the E port 161 to the F port 162 of the air conditioner heat exchanger 16, the air conditioner pump 18 makes the medium in the temperature control device 17 flow to the G port 163 through the H port 164 of the air conditioner heat exchanger 16 and performs heat exchange with the refrigerant, the heat is transferred from the high-temperature refrigerant to the medium, the refrigerant becomes high-temperature and high-pressure liquid, the medium heated in the air conditioner heat exchanger 16 flows into the temperature control device 17 to heat the indoor space, and then, the refrigerant is changed into low-temperature and low-pressure liquid through the air conditioner restrictor 15 and flows to the air conditioner evaporator 14, the refrigerant exchanges heat in the air conditioner evaporator 14, after heat is transferred from high-temperature air to low-temperature refrigerant, the refrigerant is changed into high-temperature gas and passes through the fourth branch 134, the first branch 131 and the input end of the air conditioner compressor 11 in sequence, the high-temperature and high-pressure gas is re-compressed by the air conditioner compressor 11, and the cycle is repeated until the indoor temperature is increased to a set value.
As shown in fig. 4, when the single hot water preparation mode is selected, the air conditioning unit 1 does not operate, the fifth branch 221 and the eighth branch 224 of the hot water four-way valve 22 are communicated, the sixth branch 222 and the seventh branch 223 are communicated, the hot water compressor 21 compresses the refrigerant to form high-temperature and high-pressure refrigerant gas and discharges the refrigerant gas from the output end, the refrigerant flows from the I port 251 to the J port 252 of the hot water heat exchanger 25 after passing through the sixth branch 222 and the seventh branch 223 in sequence, the hot water pump 27 makes the domestic water in the hot water tank 26 flow to the K port 253 through the L port 254 of the hot water heat exchanger 25 and performs heat exchange with the refrigerant, the heat is transferred from the high-temperature refrigerant to the domestic water, the refrigerant becomes high-temperature and high-pressure liquid, the domestic water heated in the hot water heat exchanger 25 flows into the hot water tank 26 to heat the domestic water in the hot water tank 26, then, the refrigerant is changed into a low-temperature and low-pressure liquid through the hot water restrictor 24 and flows to the hot water evaporator 23, the refrigerant exchanges heat in the hot water evaporator 23, heat is transferred from high-temperature air to the low-temperature refrigerant, the refrigerant is changed into a high-temperature gas, the high-temperature gas passes through the eighth branch 224, the fifth branch 221 and the input end of the hot water compressor 21 in sequence, the high-temperature gas is re-compressed into a high-temperature and high-pressure gas by the hot water compressor 21, and the cycle is repeated until the temperature of the domestic water in the hot water tank 26 rises to a set value, and the domestic water after the temperature rise is delivered to a place where the hot water is needed, such as a kitchen, a bathroom and the like through a pipeline on the hot water tank 26.
As shown in fig. 5, when the mode for heating and preparing hot water simultaneously is selected, the air conditioning unit 1 and the hot water unit 2 operate simultaneously, and the operation principle is the same as that of heating and preparing hot water separately, and thus, detailed description thereof is omitted.
As shown in fig. 6, when the mode for simultaneously cooling and heating water is selected, the hot water compressor 21 does not operate, the first branch 131 of the air-conditioning four-way valve 13 is communicated with the third branch 133, the second branch 132 is communicated with the fourth branch 134, the air-conditioning compressor 11 compresses refrigerant to form high-temperature and high-pressure refrigerant gas and discharges the refrigerant gas from the output end, the refrigerant flows from the port a 121 of the heat recovery heat exchanger 12 to the port B122, the hot water pump 27 makes domestic water in the hot water tank 26 flow to the port C123 through the port D124 of the heat recovery heat exchanger 12 and exchanges heat with the refrigerant, heat is transferred from the high-temperature refrigerant to the domestic water, the refrigerant becomes high-temperature and high-pressure liquid, the domestic water heated in the heat recovery heat exchanger 12 flows into the hot water tank 26, the domestic water in the hot water tank 26 is heated, the refrigerant subjected to primary heat dissipation sequentially passes through the second branch 132 and the fourth branch 134, heat is exchanged in the air conditioner evaporator 14, heat is transferred from the high-temperature refrigerant to the low-temperature air, so that the heat of the high-temperature and high-pressure refrigerant liquid is continuously radiated, then, the refrigerant is changed into the low-temperature and low-pressure liquid through the air conditioner throttle 15, the medium in the temperature control device 17 flows towards the G port 163 through the H port 164 of the air conditioner heat exchanger 16 by the air conditioner pump 18, the refrigerant is subjected to heat exchange with the medium in the process that the refrigerant flows towards the E port 161 through the F port 162, heat is transferred from the high-temperature medium to the refrigerant, the refrigerant absorbs heat to become the high-temperature gas, the high-temperature gas is re-compressed into the high-temperature and high-pressure gas by the air conditioner compressor 11 through the third branch 133, the first branch 131 and the input end of the air conditioner compressor 11 in sequence, the medium cooled in the air conditioner heat exchanger 16 flows into the temperature control device 17, the indoor temperature is cooled, and the cycle is performed, until the indoor temperature is reduced to a set value, in the process, the heat required by the hot water preparation is obtained through heat recovery without starting the hot water compressor 21, and the advantages that on one hand, the heat is fully utilized, and the energy is saved; on the other hand, the heat recovery process is also actually radiating the refrigerant, so that the radiating efficiency is improved, the condensing temperature is reduced, and the refrigerating efficiency is improved.
The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.
Claims (4)
1. A multifunctional heat pump device is characterized in that: the air conditioning unit comprises an air conditioning compressor, a heat recovery heat exchanger, an air conditioning four-way valve, an air conditioning evaporator, an air conditioning restrictor, an air conditioning heat exchanger, a temperature control device and an air conditioning pump;
the heat recovery heat exchanger comprises an A port, a B port, a C port and a D port which are mutually communicated, the air-conditioning heat exchanger comprises an E port, an F port, a G port and an H port which are mutually communicated, the input end of the air-conditioning compressor, the B port, the E port and one end of the air-conditioning evaporator are respectively connected with the air-conditioning four-way valve, the output end of the air-conditioning compressor is connected with the A port, the two ends of the air-conditioning throttler are respectively connected with the F port and the other end of the air-conditioning evaporator, the air-conditioning pump is respectively connected with the output end of the temperature control equipment and the H port, and the input end of the temperature control equipment is connected with the G port;
the hot water unit comprises a hot water compressor, a hot water four-way valve, a hot water evaporator, a hot water restrictor, a hot water heat exchanger, a hot water tank and a hot water pump;
the hot water heat exchanger comprises an I port, a J port, a K port and an L port, wherein the I port and the J port are communicated with each other, the K port and the L port are communicated with each other, the input end of the hot water compressor, the output end of the hot water compressor, the I port and one end of the hot water evaporator are respectively connected with the hot water four-way valve, two ends of the hot water restrictor are respectively connected with the J port and the other end of the hot water evaporator, one end of the hot water pump is connected with one end of the hot water tank, the other end of the hot water pump is respectively connected with the D port and the L port, and the other end of the hot water tank is respectively connected with the C port and the K port.
2. The multifunctional heat pump device according to claim 1, wherein: the temperature control equipment adopts water floor heating.
3. The multifunctional heat pump device according to claim 1, wherein: the temperature control equipment adopts a fan coil.
4. The multifunctional heat pump device according to claim 1, wherein: the heat recovery heat exchanger, the air conditioner heat exchanger and the hot water heat exchanger all adopt fin type heat exchangers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110427232.5A CN113154564A (en) | 2021-04-21 | 2021-04-21 | Multifunctional heat pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110427232.5A CN113154564A (en) | 2021-04-21 | 2021-04-21 | Multifunctional heat pump device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113154564A true CN113154564A (en) | 2021-07-23 |
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ID=76867849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110427232.5A Pending CN113154564A (en) | 2021-04-21 | 2021-04-21 | Multifunctional heat pump device |
Country Status (1)
| Country | Link |
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| CN (1) | CN113154564A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674449A (en) * | 2016-03-28 | 2016-06-15 | 武汉科技大学 | Triple-generation system based on energy-saving solar air source heat pump |
| CN111811166A (en) * | 2020-08-20 | 2020-10-23 | 广东瑞星新能源科技有限公司 | Take trigeminy of heat recovery to supply heat pump set |
| CN214536634U (en) * | 2021-04-21 | 2021-10-29 | 东莞市菲普斯特节能设备有限公司 | Multifunctional heat pump device |
-
2021
- 2021-04-21 CN CN202110427232.5A patent/CN113154564A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674449A (en) * | 2016-03-28 | 2016-06-15 | 武汉科技大学 | Triple-generation system based on energy-saving solar air source heat pump |
| CN111811166A (en) * | 2020-08-20 | 2020-10-23 | 广东瑞星新能源科技有限公司 | Take trigeminy of heat recovery to supply heat pump set |
| CN214536634U (en) * | 2021-04-21 | 2021-10-29 | 东莞市菲普斯特节能设备有限公司 | Multifunctional heat pump device |
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Address after: 523000 Room 301, Building 2, No. 251, Shatian Avenue, Shatian Town, Dongguan City, Guangdong Province Applicant after: DONGGUAN PHIPST ENERGY SAVING EQUIPMENT Co.,Ltd. Address before: 523000 3rd floor, Dani village, Shatian Town, Dongguan City, Guangdong Province Applicant before: DONGGUAN PHIPST ENERGY SAVING EQUIPMENT Co.,Ltd. |
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Address after: 523000 Room 301, Building 2, No. 251, Shatian Avenue, Shatian Town, Dongguan City, Guangdong Province Applicant after: Guangdong phipster energy saving equipment Co.,Ltd. Address before: 523000 Room 301, Building 2, No. 251, Shatian Avenue, Shatian Town, Dongguan City, Guangdong Province Applicant before: DONGGUAN PHIPST ENERGY SAVING EQUIPMENT Co.,Ltd. |
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Address after: Room 601, Building 7, Zhongtang Tian'an Digital City, No. 89 Jinyuan Road, Zhongtang Town, Dongguan City, Guangdong Province, 523000 Applicant after: Guangdong phipster energy saving equipment Co.,Ltd. Address before: 523000 Room 301, Building 2, No. 251, Shatian Avenue, Shatian Town, Dongguan City, Guangdong Province Applicant before: Guangdong phipster energy saving equipment Co.,Ltd. |
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