CN212806110U - Coupling system of energy storage device and carbon dioxide heat pump utilizing natural energy - Google Patents
Coupling system of energy storage device and carbon dioxide heat pump utilizing natural energy Download PDFInfo
- Publication number
- CN212806110U CN212806110U CN202022110975.3U CN202022110975U CN212806110U CN 212806110 U CN212806110 U CN 212806110U CN 202022110975 U CN202022110975 U CN 202022110975U CN 212806110 U CN212806110 U CN 212806110U
- Authority
- CN
- China
- Prior art keywords
- heat
- energy
- carbon dioxide
- tank
- storage device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
本实用新型涉及利用自然能的储能装置和二氧化碳热泵耦合系统。本实用新型提供的利用自然能的储能装置，包括二氧化碳循环系统、保温罐、蓄热介质、光能集热器、集热管和换热件，所述蓄热介质设置在所述保温罐内部，所述集热管包括集热端和换热端，所述换热端位于所述保温罐内；所述换热件设置在保温罐内，所述换热件的两端分别与二氧化碳循环系统连接，低温二氧化碳通过所述换热件后，与所述蓄热介质换热，使二氧化碳处于较高的蒸发温度，进而使整个系统具有较高的制热系数。其特征在于：把光能集起来的热能通过相变蓄能材料以相变形式储存于保温罐体中，在空调制热时，蓄热介质产生相变放热。
The utility model relates to a coupling system of an energy storage device utilizing natural energy and a carbon dioxide heat pump. The energy storage device utilizing natural energy provided by the utility model includes a carbon dioxide circulation system, a heat preservation tank, a heat storage medium, a light energy heat collector, a heat collection tube and a heat exchange element, and the heat storage medium is arranged inside the heat preservation tank The heat collecting tube includes a heat collecting end and a heat exchanging end, the heat exchanging end is located in the heat preservation tank; After the low-temperature carbon dioxide passes through the heat exchange element, it exchanges heat with the heat storage medium, so that the carbon dioxide is at a higher evaporation temperature, thereby enabling the entire system to have a higher heating coefficient. The utility model is characterized in that: the heat energy collected by the light energy is stored in the heat preservation tank in the form of phase change through the phase change energy storage material, and the heat storage medium produces phase change heat release when the air conditioner heats.
Description
Technical Field
The utility model relates to an air conditioner field, in particular to utilize energy memory and carbon dioxide heat pump coupled system of natural energy.
Background
In recent years, phase change energy storage has become a hot spot for energy utilization and material science research at home and abroad. The phase change energy storage technology can solve the contradiction that the energy supply and demand are not matched in time and space, and is an effective means for improving the energy utilization rate. In the natural world of our life, the storage capacity of solar energy resources is very rich, and the storage capacity of dry air energy is also very considerable in the northwest region of China, so that the renewable energy resources are fully utilized to serve our life and production, the problems of energy shortage and high energy consumption can be relieved to a great extent, and the study and research are very worthy.
Air conditioning energy consumption accounts for a considerable proportion of building energy consumption. The energy conservation and emission reduction are necessary for the sustainable development of the society when the air conditioner is frequently used in winter and summer every year and under the conditions of energy shortage, high energy consumption and prominent environmental pollution problem at present.
With the continuous enhancement of the attention of the international society on the aspects of energy conservation, emission reduction and environmental protection, the elimination pace of the Freon refrigerant is accelerated, and carbon dioxide as a safe and environment-friendly refrigerant has wide application prospect and considerable economic value. An air conditioning system taking carbon dioxide as a medium is a new direction of research in the industry, and if the air conditioning system only depends on heat generated by a carbon dioxide compressor and a traditional heat exchanger, the load of the carbon dioxide compressor is increased, the energy consumption is increased, and the problem of how to solve the efficiency of heating carbon dioxide is a technical problem which needs to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a simple structure, utilize the energy memory of the natural energy of utilization of light energy and air energy. The utility model also provides a carbon dioxide heat pump coupled system that the power consumption is low, the heat supply is abundant.
The utility model provides an utilize energy memory of natural energy, its technical scheme is:
an energy storage device utilizing natural energy comprises a carbon dioxide circulating system, a heat preservation tank, a heat storage medium, a light energy collector, a heat collecting pipe and a heat exchange piece, wherein the heat storage medium is arranged inside the heat preservation tank; the heat exchange piece is arranged in the heat preservation tank, two ends of the heat exchange piece are respectively connected with the carbon dioxide circulating system, and low-temperature carbon dioxide passes through the heat exchange piece and then exchanges heat with the heat storage medium to enable the carbon dioxide to be at a higher evaporation temperature, so that the whole system has a higher heating coefficient.
Preferably, the carbon dioxide inlet and/or the carbon dioxide outlet are provided with a first electronic expansion valve on the pipeline.
Preferably, the heat collecting medium in the heat collecting tube is ethylene glycol; the thermal storage medium is water.
Preferably, the heat-insulating tank is provided with an inner layer and an outer layer, and a heat-insulating material is arranged between the inner layer and the outer layer; the heat storage medium is a phase change energy storage material; the heat collecting pipe has an inclination angle.
Preferably, the energy storage device comprises an air energy heat collector, one end of the air energy heat collector is located in the heat insulation tank, the other end of the air energy heat collector is located outside the heat insulation tank and exchanges heat with hot air, and heat collection media in the air energy heat collector circulate and then transfer the heat of the air to heat storage media.
The utility model also provides a carbon dioxide heat pump coupled system, coupled system is including carbon dioxide compressor, terminal heat exchanger, liquid storage pot and the outdoor heat exchanger that is linked together in proper order, outdoor heat exchanger includes flash distillation heat transfer device and energy memory, coupled system includes two circulations, and the first circulation is carbon dioxide compressor, terminal heat exchanger, liquid storage pot and flash distillation heat transfer device in proper order, and the second circulation is carbon dioxide compressor, terminal heat exchanger and energy memory in proper order; the energy storage device is the energy storage device utilizing natural energy.
Preferably, a one-way overflow valve is arranged on a pipeline at the inlet end of the liquid storage tank; a third electronic expansion valve is arranged on a pipeline between the outdoor heat exchanger and the liquid storage tank; and a fourth electronic expansion valve bank is connected in series on the pipeline of the tail end heat exchanger.
Preferably, the coupling system comprises a first four-way valve and a second four-way valve, and four interfaces of the first four-way valve are respectively connected with a suction end of the carbon dioxide compressor, a discharge end of the carbon dioxide compressor, an outdoor heat exchanger and a tail end heat exchanger; and four interfaces of the second four-way valve are respectively connected with the outdoor heat exchanger, the liquid inlet of the liquid storage tank, the liquid outlet of the liquid storage tank and the tail end heat exchanger.
Preferably, the central air conditioner further comprises a pressure adjusting device, the pressure adjusting device comprises a pressure adjusting tank, the pressure adjusting tank is communicated with the liquid storage tank through a pipeline, and the pressure adjusting tank is connected with a suction end pipeline of the carbon dioxide compressor; and a third electronic expansion valve is arranged between the pressure regulating tank and the pipeline at the suction end of the carbon dioxide compressor.
The utility model discloses an implement including following technological effect:
the utility model discloses in, the heat energy that gets up light energy collection stores the heat preservation jar body in with the phase transition form through phase transition energy storage material, and when the air conditioner heated, low temperature carbon dioxide passed through the heat transfer piece, and the heat storage medium produced the phase transition and releases heat, becomes high temperature carbon dioxide with low temperature carbon dioxide, circulates to warm space heating after the compressor suction. Because the heat storage medium releases a large amount of heat during phase change, the heat energy converted from the light energy can be stored in the heat preservation tank, and it needs to be explained that the solar energy in the daytime can be stored in the heat preservation tank, and the heat energy is used in a phase change heat release mode at night.
The utility model discloses a carbon dioxide heat pump coupled system can utilize solar energy to heat when sunshine is sufficient, green to can store the solar energy on daytime and use evening, when energy memory's heat was not enough, restart flash distillation heat transfer device, guaranteed the normal clear of heat transfer.
The heat pump water heater can ensure that the phase change latent heat of water enables the heating efficiency to be stabilized in a higher state regardless of sunlight when the compressor heats. Heating can be realized as long as light exists, heat exchange is more sufficient due to freeze-thaw circulation, and in places with sufficient illumination, if the heat storage medium can reach 20 ℃, the evaporation pressure of the heat storage medium is over 55KG, and the heating efficiency can reach 10 approximately.
Drawings
Fig. 1 is a schematic structural view of an energy storage device utilizing natural energy according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a carbon dioxide heat pump coupling system according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of an energy storage device utilizing natural energy according to embodiment 2 of the present invention.
In the figure: 1. a heat preservation tank; 2. a thermal insulation material; 3. a thermal storage medium; 4. a light energy collector; 5. a heat collecting pipe; 6. a heat exchange member; 7. a first electronic expansion valve; 8. a carbon dioxide inlet; 9. a carbon dioxide outlet; 10. a carbon dioxide compressor; 11. a terminal heat exchanger; 12. a liquid storage tank; 13. a flash heat exchange device; 14. an energy storage device; 15. a one-way overflow valve; 16. a pressure regulating tank; 17. a second electronic expansion valve; 18. a third electronic expansion valve; 19. a fourth electronic expansion valve bank; 20. a heat exchange pipe; 21. an aerosol inlet; 22. an aerosol outlet; 23. a first four-way valve; 24. a second four-way valve; 25. an air energy heat collector.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and the accompanying drawings, wherein the described embodiments are only intended to facilitate the understanding of the present invention, and do not limit the present invention in any way.
Example 1
Referring to fig. 1, an energy storage device 14 utilizing natural energy provided in this embodiment includes a carbon dioxide circulation system, a thermal insulation tank 1, a thermal storage medium 3, a light energy collector 4, a heat collection tube 5 and a heat exchange element 6, where the thermal storage medium 3 is disposed inside the thermal insulation tank 1, the heat collection tube 5 includes a heat collection end and a heat exchange end, the heat exchange end is located inside the thermal insulation tank 1, the heat collection end obtains heat energy converted by the light energy collector 4 after receiving light irradiation, and the heat collection medium inside the heat collection tube 5 circulates at the heat collection end and the heat exchange end to transfer heat to the thermal storage medium 3; the heat exchange piece 6 is arranged in the heat preservation tank 1, two ends of the heat exchange piece 6 are respectively connected with a carbon dioxide circulating system, and low-temperature carbon dioxide passes through the heat exchange piece 6 and then exchanges heat with the heat storage medium 3 to enable the carbon dioxide to be at a high evaporation temperature, so that the whole system has a high heating coefficient in winter. The heat-preservation tank 1 is circular, and the heat exchange piece 6 is a coil; the heat collecting pipe 5 is a circular pipe.
Specifically, the carbon dioxide inlet 8 and/or the carbon dioxide outlet 9 are provided with a first electronic expansion valve 7 on a pipe. The heat collecting medium in the heat collecting pipe 5 is glycol; the thermal storage medium is water. The water at 0 ℃ needs to emit a large amount of heat when being changed into the ice at 0 ℃, and the water is a cheap and environment-friendly substance, thereby further reducing the cost. The heat-insulating tank 1 is provided with an inner layer and an outer layer, and a heat-insulating material 2 is arranged between the inner layer and the outer layer; the heat storage medium 3 is a phase change energy storage material; the heat collecting pipe 5 has an inclination angle.
The utility model discloses in, store the heat energy that the light energy was gathered in the 1 body of heat preservation jar through phase change energy storage material with the phase transition form, when the air conditioner heats, low temperature carbon dioxide passes through heat exchange member 6, and heat storage medium 3 produces the phase transition and releases heat, becomes low temperature carbon dioxide high temperature carbon dioxide, circulates to the warm space of system after the compressor suction and heats. Since the heat storage medium 3 releases a large amount of heat during the phase change, the heat energy converted from the light energy can be stored in the thermal insulation tank 1, it should be noted that the solar energy in the daytime can be stored in the thermal insulation tank 1, and the heat energy can be used in a phase change heat release manner at night.
The heat collecting medium at the heat collecting end absorbs the heat of the light energy at the heat collecting end, the temperature can be high, the density can be reduced, the temperature can be low after the heat collecting medium at the heat exchange end exchanges heat with the energy storage medium, the density can be high, the heat collecting media with different densities can automatically complete circulation, and the heat of the light energy can be continuously converted into the phase change energy of the heat storage medium 3 to be stored.
Referring to fig. 2, the embodiment further provides a carbon dioxide heat pump coupling system, where the coupling system includes a carbon dioxide compressor 10, a terminal heat exchanger 11, a liquid storage tank 12, and an outdoor heat exchanger, the outdoor heat exchanger includes a flash evaporation heat exchange device 13 and an energy storage device 14, the coupling system includes two cycles, the first cycle includes the carbon dioxide compressor 10, the terminal heat exchanger 11, the liquid storage tank 12, and the flash evaporation heat exchange device 13 in sequence, and the second cycle includes the carbon dioxide compressor 10, the terminal heat exchanger 11, and the energy storage device 14 in sequence; the energy storage device 14 is the energy storage device 14 utilizing natural energy described above. Specifically, a one-way overflow valve 15 is arranged on a pipeline at the inlet end of the liquid storage tank 12; a third electronic expansion valve 18 is arranged on a pipeline between the outdoor heat exchanger and the liquid storage tank 12; and a fourth electronic expansion valve group 19 is connected in series on the pipeline of the tail end heat exchanger 11. The one-way overflow valve 15 can only realize one-way circulation, and has a pressure adjusting function, so that the pressure in the central air conditioner can be always kept in a proper range, and the efficient operation of the system is ensured. The electronic expansion valve has the functions of throttling and reducing pressure. The coupling system comprises a first four-way valve 23 and a second four-way valve 24, wherein four interfaces of the first four-way valve 23 are respectively connected with the suction end of the carbon dioxide compressor 10, the exhaust end of the carbon dioxide compressor 10, the outdoor heat exchanger and the tail end heat exchanger 11; and four interfaces of the second four-way valve 24 are respectively connected with the outdoor heat exchanger, the liquid inlet of the liquid storage tank 12, the liquid outlet of the liquid storage tank 12 and the tail end heat exchanger 11.
Referring to fig. 2, the central air conditioner further comprises a pressure regulating device, the pressure regulating device comprises a pressure regulating tank 16, the pressure regulating tank 16 is communicated with the liquid storage tank 12 through a pipeline, and the pressure regulating tank 16 is connected with a suction end pipeline of the carbon dioxide compressor 10; a third electronic expansion valve 18 is arranged between the pressure regulating tank 16 and the pipeline at the suction end of the carbon dioxide compressor 10. As the system operates, the pressure in the reservoir tank 12 increases, and if the pressure in the reservoir tank 12 is above a threshold, then non-liquid, high density gas is present in the reservoir tank 12, the refrigeration capacity is greatly reduced, and the pressure increase also reduces the safety of the system; on the other hand, it is also necessary to provide a more pressure-resistant partThe manufacturing cost is increased, and by the structure, when the pressure of the liquid storage tank 12 is too high, the liquid storage tank 12, the pressure adjusting tank 16, the carbon dioxide compressor 10 and the outdoor heat exchanger form a small circulation, so that the pressure in the liquid storage tank 12 can be reduced, and further refrigeration can be realized. In addition, the pressure regulating tank 16 is arranged to store liquid refrigerant, so that the liquid refrigerant does not enter the carbon dioxide compressor 10 rotating at a high speed, and damage to the carbon dioxide compressor 10 is avoided. The second function of the pressure regulating tank 16 is: when the central air conditioner is stopped for a long time in summer, the liquid in the liquid storage tank 12 changes due to the density of heat absorption, for example, the liquid storage tank 12 is liquid at 28 ℃ when the central air conditioner is stopped (the density is about 655.28kg/m at the moment)3) The pressure is corresponding saturation pressure, when the machine is stopped for a long time or the environment radiates heat, the density is about 419.09kg/m when the pressure in the pipe reaches 35 ℃ and 80bar3Depending on the conservation of mass, additional space is required to store this portion of the expanded fluid. By providing a pressure regulating tank 16, the problem of liquid expansion at shutdown is solved. A third electronic expansion valve 18 is arranged between the pressure regulating tank 16 and the pipeline at the suction end of the carbon dioxide compressor 10. By arranging the third electronic expansion valve 18, the pressure in the liquid storage tank 12 can be accurately controlled to be below the critical point, the temperature in the tank is the saturation temperature corresponding to the tank pressure or has certain supercooling temperature, and the system operation is more efficient. Specifically, the bottom of the pressure regulating tank 16 communicates with the top of the liquid storage tank 12, and is connected such that the gas in the liquid storage tank 12 can more easily enter the pressure regulating tank 16. The top of the pressure regulating tank 16 is connected with the suction end pipeline of the carbon dioxide compressor 10.
In the embodiment, a control method of the carbon dioxide heat pump coupling system is further provided, in the heating mode, carbon dioxide is compressed by the carbon dioxide compressor 10 to generate high-temperature carbon dioxide, then the high-temperature carbon dioxide flows through the tail end heat exchanger 11 to be heated, then low-temperature carbon dioxide flows through the liquid storage tank 12, the pressure regulating tank 16 and the second electronic expansion valve 17 which are connected with the liquid storage tank 12 can control the pressure in the liquid storage tank 12 to be constant, and the low-temperature carbon dioxide coming out of the liquid storage tank 12 returns to the air suction end of the carbon dioxide compressor 10 through the flash evaporation heat exchange device 13 and. It should be noted that the heating system of the present invention can be a part of a central air conditioning system, and can complete refrigeration by adjusting the connection relationship between the first four-way valve 23 and the second four-way valve 24, during refrigeration, the first four-way valve 23 connects the exhaust end of the carbon dioxide compressor 10 with the suction end of the outdoor heat exchanger, and connects the outlet end of the evaporator with the suction end of the carbon dioxide compressor 10; the second four-way valve 24 connects the outlet end of the outdoor heat exchanger with the inlet end of the liquid storage tank 12, connects the outlet end of the liquid storage tank 12 with the inlet end of the tail end heat exchanger 11, and closes the first electronic expansion valve 7.
Referring to fig. 2, the flash evaporation heat exchange device 13 includes an aerosol generating device (not shown in the figure) and a heat exchange tube 20, the aerosol of the aerosol generating device enters a heat exchange cavity, and the aerosol exchanges heat with carbon dioxide in the heat exchange tube 20 under the action of negative pressure; the aerosol generating device comprises a closed shell, air extracting equipment and a water atomizing device, wherein the air extracting equipment is used for forming negative pressure in the closed shell, the water atomizing device is used for atomizing liquid water into water mist with larger specific surface area, the atomized water and air form aerosol in the closed shell under the action of the negative pressure, the aerosol enters the heat exchange tube 20 from the aerosol inlet 21 for heat exchange, and water after heat exchange is not circulated and recovered and is directly discharged into the atmosphere through the aerosol outlet 22; the water can not pollute the environment, and the cost is reduced while the environment is protected.
When light rays irradiate, the heat collecting tube 5 collects heat energy generated by the light energy heat collector 4; the heat collecting medium in the heat collecting pipe 5 circulates to exchange the heat at the heat collecting end to the heat exchange end, the heat energy is stored in the heat storage medium 3, when the energy storage device is required to be used for heating, the first electronic expansion valve 7 is opened, the low-temperature carbon dioxide and the heat storage medium 3 exchange heat in a phase change manner, so that the carbon dioxide is at a higher evaporation temperature, and the whole system has a higher heating coefficient; when the system is refrigerating, the first electronic expansion valve 7 is closed.
The utility model discloses a carbon dioxide heat pump coupled system can utilize solar energy to heat when sunshine is sufficient, green to can store the solar energy on daytime and use evening, when energy memory 14's heat is not enough, restart flash distillation heat transfer device 13, guaranteed the normal clear of heat transfer.
Example 2
Referring to fig. 3, the energy storage device based on clean energy of this embodiment further includes an air energy heat collector 25, one end of the air energy heat collector 25 is located in the heat-insulating tank 1, and the other end is located outside the heat-insulating tank 1, and exchanges heat with air energy, and heat collection media in the air energy heat collector 25 circulate to transfer air heat to the heat storage media 3. Preferably, the air energy heat collector 25 is arranged at the lower part of the heat preservation tank 1, and performs automatic circulation heat exchange by using the same substance with different densities at different temperatures. The heat exchange end of the air energy heat collector 25 in the heat insulation tank 1 is connected with the heat exchange end of the light energy heat collector 4 in the heat insulation tank 1, ethylene glycol can circulate in the air energy heat collector 25 and the light energy heat collector 1, and the air energy heat collector 25 is a heat exchanger composed of copper pipes and fins. When the temperature difference exists between the outside air and the heat storage medium in the heat insulation tank, the air energy heat collector collects the air heat. The radiation energy is almost completely absorbed by the radiation with small temperature difference, and the formula of the radiation energy is as follows:
therefore, heat can be collected using the radiant heat of temperature difference for carbon dioxide heat pump heating.
Any object has the ability to continuously radiate, absorb and emit electromagnetic waves. The radiated electromagnetic wave is different in each wavelength band, that is, has a certain spectral distribution. This spectral distribution is related to the properties of the object itself and its temperature and is therefore called thermal radiation. In order to research a heat radiation rule independent of specific physical properties of substances, physicists define an ideal object, namely a black body (blackbody), the black body is used as a standard object for heat radiation research, the emissivity of the standard object is 1, the radiance of a real object is between 0 and 1, the standard object can be defined as a relative black body, a light energy heat collector and an air energy heat collector in the scheme can be understood as the relative black body, the light energy heat collector can collect heat as long as light with corresponding wavelengths is provided, and the air energy heat collector can collect heat as long as a temperature difference exists.
Other technical schemes are the same as embodiment 1 and are not described again.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110975.3U CN212806110U (en) | 2020-09-23 | 2020-09-23 | Coupling system of energy storage device and carbon dioxide heat pump utilizing natural energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110975.3U CN212806110U (en) | 2020-09-23 | 2020-09-23 | Coupling system of energy storage device and carbon dioxide heat pump utilizing natural energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212806110U true CN212806110U (en) | 2021-03-26 |
Family
ID=75090427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022110975.3U Active CN212806110U (en) | 2020-09-23 | 2020-09-23 | Coupling system of energy storage device and carbon dioxide heat pump utilizing natural energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212806110U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981709A (en) * | 2020-09-23 | 2020-11-24 | 北京市京科伦工程设计研究院有限公司 | Energy storage device and carbon dioxide heat pump coupling system and method utilizing natural energy |
| WO2022062953A1 (en) * | 2020-09-24 | 2022-03-31 | 北京市京科伦工程设计研究院有限公司 | Single-stage carbon dioxide multi-split cooling and heating multifunctional central air conditioner |
| EP4273466A1 (en) * | 2022-05-03 | 2023-11-08 | National and Kapodistrian University of Athens | Integration of particulated encapsulated phase change materials in a conventional flat-plate solar collector for the production of domestic hot water |
-
2020
- 2020-09-23 CN CN202022110975.3U patent/CN212806110U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981709A (en) * | 2020-09-23 | 2020-11-24 | 北京市京科伦工程设计研究院有限公司 | Energy storage device and carbon dioxide heat pump coupling system and method utilizing natural energy |
| WO2022062953A1 (en) * | 2020-09-24 | 2022-03-31 | 北京市京科伦工程设计研究院有限公司 | Single-stage carbon dioxide multi-split cooling and heating multifunctional central air conditioner |
| US12345457B2 (en) | 2020-09-24 | 2025-07-01 | Beijing Jingkelun Engineering Design and Research Institute Co., Ltd. | Single-stage carbon dioxide multi-split cooling and heating multifunctional central air conditioner |
| EP4273466A1 (en) * | 2022-05-03 | 2023-11-08 | National and Kapodistrian University of Athens | Integration of particulated encapsulated phase change materials in a conventional flat-plate solar collector for the production of domestic hot water |
| WO2023213746A1 (en) * | 2022-05-03 | 2023-11-09 | National And Kapodistrian University Of Athens | Integration of particulated encapsulated phase change materials in a conventional flat-plate solar collector for the production of domestic hot water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101334220B (en) | Convective photoelectric conversion enhancement and light heat recovery full working condition composite heat source device | |
| CN101832682B (en) | Energy-storing solar absorption refrigeration system | |
| CN109114804A (en) | Photovoltaic-alternating current joint driving photovoltaic and photothermal integral double-source heat pump water heating system and its operation method | |
| CN108458493B (en) | Dual-temperature zone energy storage heating type solar water heating system and working method thereof | |
| CN212806110U (en) | Coupling system of energy storage device and carbon dioxide heat pump utilizing natural energy | |
| CN104930584B (en) | Parallel superconductive solar heat-pump hot-water water bathing heating system | |
| CN205208964U (en) | Slot type solar thermal energy wind and air source heat pump combination air conditioning system not directly expand | |
| CN101988721A (en) | Novel two-stage absorption solar air conditioning system | |
| CN101769654B (en) | Heating system for compression heat pump and heating method thereof | |
| CN106016825A (en) | Solar and air source heat pump dual heat source tri-generation system | |
| CN207865758U (en) | A kind of heat-storage solar energy low-temperature air source heat pump system | |
| CN201973898U (en) | Whole-roof solar water heater utilizing air as working medium | |
| CN105605661A (en) | Solar phase-change heat storage type warmer | |
| CN208222868U (en) | Dual temperature area storing energy and supplying hot type solar water heating system | |
| CN210089179U (en) | Lithium bromide absorption type refrigerating system driven by wind, light and electricity | |
| CN111981709A (en) | Energy storage device and carbon dioxide heat pump coupling system and method utilizing natural energy | |
| CN208312736U (en) | A kind of heat-pump-type solar water heater | |
| CN102645044A (en) | Direct-expansion solar heat pump water heating system | |
| CN100572973C (en) | The hot water supply of a kind of solar energy, the accumulation of heat of peak valley electricity and refrigeration set composite | |
| CN106440352A (en) | Solar heat pump hot water system and method | |
| CN206787111U (en) | A kind of multiple solar-energy air-energy heat pump | |
| CN212961846U (en) | Heat pipe type photovoltaic photo-thermal module-heat pump-phase change material coupling system | |
| CN100516668C (en) | Solar building integrated energy-saving hot water system based on direct expansion solar heat pump | |
| CN107036214A (en) | A kind of solar air-conditioner system | |
| CN207350890U (en) | Solar energy and air energy composite heat power supply hot-water heating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |