CN210267481U - Solar-supported micro-energy grid - Google Patents
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- CN210267481U CN210267481U CN201920620205.8U CN201920620205U CN210267481U CN 210267481 U CN210267481 U CN 210267481U CN 201920620205 U CN201920620205 U CN 201920620205U CN 210267481 U CN210267481 U CN 210267481U
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Abstract
The utility model relates to a little energy network that solar energy supported, including solar photovoltaic and the integrative device part of compound thermal-arrest, solar heat pump heating part, soil source refrigeration air conditioner part, solar energy stride season energy storage part, indoor environment can energy storage part, photoelectric conversion and intelligent control's little electric wire netting part, little energy network controller, characterized by: the system comprises a ground heat exchanger shared by a soil source heat pump heating part, a soil source refrigerating and air conditioning part, a solar cross-season energy storage part and an indoor environment cross-season energy storage part; the solar heat pump heating part and the solar cross-season energy storage part share the calandria heat collector; the solar heat pump heating part, the soil source heat pump heating part and the indoor environment energy storage part span a season to share the heat dissipation system. The advantages are that: solar energy, soil cold energy, soil energy storage, photovoltaic power generation and the like are utilized to form a micro energy network, so that heating, cooling and power supply in the whole system are realized.
Description
Technical Field
The utility model relates to a little energy network that solar energy supported belongs to solar photovoltaic utilization, thermal utilization technique and little energy internet field.
Background
The method solves the problem of energy shortage, improves the efficiency of developing and utilizing clean resources such as solar energy and the like, and makes a plurality of related researches. The heat pump system evaporator and solar photovoltaic heat collector composite heat source device (document 1: CN 201246923Y) comprises a composite heat source heat collection evaporator, a heat pump hot water system and a photoelectric conversion and storage device, the core component of the device is a convection type photoelectric conversion strengthening and photo-thermal recovery all-working-condition composite heat source device, the device adopts a photovoltaic cell panel to absorb solar energy, and simultaneously air releases the obtained heat to the heat pump system evaporator fixed on the back of the heat collection panel, thereby playing a role in improving the evaporation temperature of the heat pump and improving the operation efficiency of the heat pump; in addition, due to the arrangement of the Z-shaped rotary air door, when solar radiation is weak or no solar radiation exists, the heat pump system evaporator can absorb heat in ambient air to supplement energy, and therefore continuous operation of the heat pump system is guaranteed. An integrated system (document 2: CN 107166802A) for combined complementary energy supply of a solar soil source heat pump relates to an integrated system for combined complementary energy supply of a solar soil source heat pump, realizes the combination of solar energy and a soil source heat pump, stores solar heat energy of the whole year, and is used in heating seasons, but the patent only relates to cross-season energy storage heating, does not effectively utilize the low-temperature characteristic of soil sources in summer, does not carry out soil source air conditioning refrigeration in summer, and stores indoor environment energy in soil when refrigeration is not carried out. A constant-temperature heating system of a solar mixed source heat pump (document 3: CN 107120719A) relates to a constant-temperature heating system of a solar mixed source heat pump, wherein an aluminum calandria heat collector in a patent is exposed in the atmospheric environment, when the temperature of an aluminum calandria is lower than the atmospheric temperature, the atmospheric heat energy is transferred to the aluminum calandria heat collector, the solar energy and the air heat energy can be absorbed simultaneously, the heat collection efficiency of the heat collector is greatly improved, and the constant-temperature heating system is low in cost and high in efficiency. But the solar energy is only used for heating and utilizing singly under the condition of the same solar radiation area and lack of electric energy generated by photoelectric conversion. A solar energy ground source heat pump coupling air conditioner heating system based on cross-season heat storage (document 4: CN 205316456U) relates to a solar energy ground source heat pump coupling air conditioner heating system based on cross-season heat storage, mainly aims at areas with heat absorption capacity far larger than heat removal capacity of cooling seasons in heating seasons of severe cold and cold areas, utilizes a solar heat collector to collect solar energy in non-heating seasons, stores the solar energy in soil through an underground pipe heat exchanger, takes out the heat through a ground source heat pump in the heating seasons to supply heat, can realize cooling in summer, heating in winter and heat storage in other seasons, and maintains heat balance of underground soil in a year period. File 1 can not utilize the soil source, and file 2, 3, 4 do not utilize photovoltaic power generation, and each device of file 1, 2, 3, 4 operates relatively independently, does not carry out heat supply, cooling, power supply, energy storage formation micro energy net to solar energy, air source, environmental energy, indoor environmental energy, soil source reasonable allotment to move wholly, integratively, intelligent perception autonomous control ground, more effectively improve energy utilization and improve renewable energy's utilization ratio.
Disclosure of Invention
In view of the above, the present invention is to provide a solar supported micro-energy grid to overcome the existing deficiencies of the above technologies.
The utility model aims at realizing through the following mode:
a solar-supported micro energy network comprises a solar photovoltaic and composite heat collection integrated device part, a solar heat pump heating part, a soil source refrigeration air-conditioning part, a solar cross-season energy storage part, an indoor environment energy storage part, a micro power network part for photoelectric conversion and intelligent control and a micro energy network controller, and is characterized in that: the solar photovoltaic and compound heat collection integrated device comprises a solar photovoltaic cell and a calandria heat collector, a solar heat pump heating part comprises the calandria heat collector, a first compressor, a first expansion valve, a first heat exchanger, a first electromagnetic valve, a heat dissipation system and a first circulating water pump, a soil source heat pump heating part comprises an underground pipe heat exchanger, a second circulating water pump, a third electromagnetic valve, a second heat exchanger, a second compressor, a second expansion valve, a third heat exchanger, the heat dissipation system and the first circulating water pump, a soil source refrigeration air-conditioning part comprises the underground pipe heat exchanger, a second circulating water pump, a fourth electromagnetic valve and a fan coil, a solar cross-season energy storage part comprises the calandria heat collector, the first compressor, the first expansion valve, the first heat exchanger, the second electromagnetic valve, the second circulating water pump and the underground pipe heat exchanger, an indoor environment energy storage part comprises the underground pipe heat exchanger, The micro-grid part for photoelectric conversion and intelligent control comprises a distributed power controller, a grid-connected converter and a selective switch; the system comprises a ground heat pump heating part, a soil source refrigerating and air conditioning part, a solar cross-season energy storage part and an indoor environment cross-season energy storage part, wherein a ground heat exchanger and a second circulating water pump are shared by the soil source heat pump heating part, the soil source refrigerating and air conditioning part and the indoor environment cross-season energy storage part; the solar heat pump heating part and the solar cross-season energy storage part share the calandria heat collector; the system comprises a solar heat pump heating part, a soil source heat pump heating part, an indoor environment energy storage part and a shared heat dissipation system and a first circulating water pump.
The solar heat pump takes a calandria heat collector in the solar photovoltaic and composite heat collection integrated device part as an evaporator, a heat pump working medium and a first heat exchanger on a user side as a condenser, the condenser transfers heat energy to circulating water on the user side, and the heat dissipation system transfers the heat energy carried by the circulating water on the user side to the indoor space for indoor heating;
the ground source heat pump takes the third heat exchanger as an evaporator, the heat pump working medium and the user side second heat exchanger as condensers, the ground heat exchanger obtains heat energy from a soil source, the working medium of the ground heat exchanger is water, the heat energy carried by the working medium water is transferred to the working medium of the ground source heat pump through the third heat exchanger, the heat energy is transferred to user side circulating water through the condensers, and the heat dissipation system transfers the heat energy carried by the user side circulating water to the indoor space for indoor heating.
In the refrigerating season, a soil source refrigerating air conditioner is operated, the second circulating water pump is started, the fourth electromagnetic valve is opened, and the soil cold energy borne by the circulating water is transmitted to the indoor space through the fan coil pipe to supply air conditioner cold air to the indoor space.
In the cooling season, a soil source refrigeration air conditioner is operated, meanwhile, a first circulating water pump and a second circulating water pump are started, a first electromagnetic valve and a second electromagnetic valve are opened, and the soil cold energy borne by the circulating water is transmitted to the indoor space through a heat dissipation system to supply air conditioning cold air to the indoor space; meanwhile, when the soil source refrigeration air conditioner operates, the absorbed indoor environment can be transmitted to underground soil for storage through the buried pipe heat exchanger.
In non-heating seasons, the solar cross-season energy storage part runs, and heat energy obtained by the solar photovoltaic and composite heat collection integrated device is transferred to underground soil through the buried pipe heat exchanger for storage, so that the heat balance of the underground soil is maintained.
The solar photovoltaic and composite heat collection integrated device is characterized in that a solar photovoltaic cell and a plate-type calandria heat collector are integrated into a whole through heat conduction materials.
The solar photovoltaic and composite heat collection integrated device realizes the cooling of the photovoltaic cell panel while solar energy is stored in a season-crossing manner, and can improve the photoelectric conversion efficiency.
The solar photovoltaic and composite heat collection integrated device can simultaneously obtain electric energy and heat energy on the premise of the same solar irradiation area, the generated electric energy is used for maintaining the operation of electric equipment in the micro energy grid through the micro grid photovoltaic power supply controller, and the generated electric energy is transmitted to a large power grid through the grid-connected converter when surplus power is used, so that extra electric energy loss is avoided, and electric energy supplement from the micro energy grid can be reduced.
The soil source refrigeration air-conditioning part can exchange heat between a low-temperature heat source in soil and an indoor relatively high-temperature environment to realize indoor air-conditioning refrigeration in summer, and meanwhile, the indoor environment can be stored in the soil, so that soil heat balance is facilitated.
The selective switch in the micro-grid part for photoelectric conversion and intelligent control determines the trend of electric energy, and when the selective switch is switched to the distributed power supply controller, the photovoltaic cell supplies power to the system; when the grid-connected converter is started, the electric energy generated by the photovoltaic system is transmitted to a large power grid.
The grid-connected converter in the photovoltaic conversion and intelligent control micro-grid part can convert direct current generated by photovoltaic into alternating current with the same amplitude, the same frequency and the same phase as the large grid, and the alternating current is transmitted to the large grid for storage.
The micro energy network controller can perform intelligent sensing and autonomous control on the micro energy network according to the state of the micro energy network.
The utility model has the advantages that: the micro energy network is formed by utilizing heat energy, refrigerating capacity, electric energy and the like, so that the reasonable allocation of energy in winter and summer in the whole system is realized, and the energy utilization efficiency of the whole system is improved. The ground heat exchanger is associated with a soil source heat pump heating part, a soil source refrigerating and air conditioning part, a solar cross-season energy storage part and an indoor environment cross-season energy storage part, and the heating, refrigerating and cross-season energy storage functions are realized by the same ground heat exchanger. The solar photovoltaic and composite heat collection integrated device is associated with a photovoltaic conversion and intelligent control micro-grid part, a solar heat pump heating part, a soil source refrigeration and air conditioning part and a solar cross-season energy storage part, and the functions are realized by using the same solar photovoltaic and composite heat collection integrated device. The solar-supported micro energy network is not simply and independently combined with photovoltaic power generation, solar energy and soil source combined heat pump heating and soil source refrigeration air-conditioning equipment for use, but reasonably allocates solar energy, air sources, indoor environment energy and soil sources to supply heat, cool, power and energy to form the micro energy network, and the micro energy network integrally, integrally and intelligently senses and automatically controls to operate. The solar heat pump heating is a direct expansion type heat pump system, the soil source heat pump heating is an indirect expansion type heat pump system, and the solar energy and the soil source heat energy can be reasonably allocated by combining the solar heat pump heating and the soil source heat pump heating, so that the energy efficiency of a heating period is improved. In northern cold areas, heat energy of a soil source is transferred to circulating water through the buried pipe heat exchanger, the temperature of the circulating water is about 10 ℃, and the cold energy of the circulating water is directly used for refrigeration. In the common compression type refrigeration air conditioning unit, a condenser is arranged in an outdoor unit, the condensation temperature is between 40 and 60 ℃, and the condensation temperature of the soil source refrigeration air conditioning is about 10 ℃, so the energy efficiency coefficient COP of the soil source refrigeration air conditioning unit is far greater than that of the common compression type refrigeration air conditioning unit, and the electric energy consumption is greatly reduced.
Drawings
FIG. 1 is a schematic view of a solar supported micro-power grid of the present invention;
FIG. 2 is a schematic diagram of a solar heat pump heating section and a ground source heat pump heating section;
FIG. 3 is a schematic diagram of a soil source refrigerated air conditioning section and a solar energy cross-season energy storage section;
FIG. 4 is a schematic diagram of an indoor ambient energy storage section;
FIG. 5 is a schematic structural diagram of a solar photovoltaic and composite heat collection integrated device part.
In the figure: 1. a solar photovoltaic and composite heat collection integrated device comprises, by weight, 2-1 parts of a first electromagnetic valve, 2-2 parts of a second electromagnetic valve, 2-3 parts of a third electromagnetic valve, 2-4 parts of a fourth electromagnetic valve, 3-1 parts of a first compressor, 3-2 parts of a first compressor, 4-1 parts of a first compressor, 4-2 parts of a first expansion valve, 5-1 parts of a second expansion valve, 5-2 parts of a first heat exchanger, 5-2 parts of a second heat exchanger, 5-3 parts of a third heat exchanger, 6-1 parts of a first circulating water pump, 6-2 parts of a second circulating water pump, 7 parts of a heat dissipation system, 8 parts of a fan coil, 9 parts of a ground buried pipe heat exchanger, 10 parts of a distributed power controller, 11 parts of a grid-connected converter, 12 parts of a selective switch, 13 parts of a photovoltaic cell, 14 parts of a heat conduction material, 15 parts, A calandria heat collector 17, a working medium flowing part of the calandria heat collector 18 and a micro energy network controller.
Detailed Description
Referring to the attached figure 1, a solar-supported micro energy network comprises a solar photovoltaic and composite heat collection integrated device part, a solar heat pump heating part, a soil source refrigeration air-conditioning part, a solar energy season-crossing energy storage part, an indoor environment energy storage part, a micro power grid part for photoelectric conversion and intelligent control and a micro energy network controller 18, wherein a buried pipe heat exchanger 9 is a component of the micro energy network, and the component is shared by the soil source heat pump heating part, the soil source refrigeration air-conditioning part, the solar energy season-crossing energy storage part and the indoor environment energy season-crossing energy storage part, namely: the same ground heat exchanger is used for a soil source heat pump heating part, a soil source refrigerating and air conditioning part, a solar cross-season energy storage part and an indoor environment cross-season energy storage part; the photovoltaic and composite heat collection integrated device 1 is a component of a micro-energy grid, and the component is shared by a solar heat pump heating part, a soil source refrigeration air-conditioning part, a solar energy season-crossing energy storage part and a micro-grid part for photoelectric conversion and intelligent control, namely: the solar energy heat pump heating part, the soil source refrigeration air conditioning part, the solar energy season-spanning energy storage part and the photovoltaic conversion and intelligent control micro-grid part are integrated by the same photovoltaic and composite heat collection device. The solar heat pump heating part and the soil source heat pump heating part share the first circulating water pump 6-1.
Referring to fig. 1 and 5, fig. 5 is a part of fig. 1, the solar photovoltaic and composite heat collection integrated device 1 mainly comprises a solar photovoltaic cell 13 and a calandria heat collector 16, which are connected by a heat conducting material 14, wherein: the positive electrode 15 and the negative electrode 15 are led out from the tail end of the solar photovoltaic cell and are used for connecting electric equipment in a system or storing; the calandria heat collector 16 is mainly composed of heat transfer fins and a working medium flowing part 17 of the calandria heat collector. The working medium flowing part 17 of the calandria heat collector flows heating working medium.
Referring to the attached drawings 1 and 2, wherein fig. 2 is a part of fig. 1, in a heating season, a calandria heat collector 16 of a solar photovoltaic and composite heat collection integrated device 1 is used as an evaporator of a solar heat pump, a heat pump working medium and a first heat exchanger 5-1 of user side circulating water are used as a condenser, the condenser transfers heat energy to the user side circulating water, and a heat dissipation system 7 transfers the heat energy carried by the user side circulating water to the indoor space for indoor heating; the heat energy for heating by the ground source heat pump is derived from the soil source heat energy obtained by the ground heat exchanger 9, the working medium of the ground heat exchanger 9 is water, the heat energy carried by the working medium water is transferred to the heat pump working medium through the third heat exchanger 5-3, the third heat exchanger 5-3 is used as the evaporator of the ground source heat pump, the heat pump working medium and the user side circulating water second heat exchanger 5-2 are used as condensers, the heat energy is transferred to the user side circulating water through the condensers, and the heat dissipation system 7 transfers the heat energy carried by the user side circulating water to the indoor space for indoor heating. When sunlight exists, a solar heat pump is used for heating, or the solar heat pump and a soil source heat pump are used for heating in a combined mode. And when no sunlight exists, the soil source heat pump is adopted for heating. The heat energy stored in the soil is intelligently sensed, and when the stored heat energy is sufficient, the temperature of the heat energy obtained by the calandria heat collector 16 in the solar photovoltaic and composite heat collection integrated device 1 is automatically controlled and improved, so that the overall energy efficiency is improved.
Referring to attached drawings 1 and 3, wherein an attached drawing 3 is a part of an attached drawing 1, when refrigerating is carried out in summer, a soil source refrigerating air conditioner is operated, a second circulating water pump 6-2 is started, a fourth electromagnetic valve 2-4 is opened, a circulating water loop of the soil source refrigerating air conditioner comprises a buried pipe heat exchanger 9, the second circulating water pump 6-2, the fourth electromagnetic valve 2-4, a fan coil 8 and the buried pipe heat exchanger 9, and soil cold energy borne by circulating water is transmitted to the indoor through the fan coil 8 to supply air conditioning cold air to the indoor. In northern cold areas, heat energy of a soil source is transferred to circulating water through the buried pipe heat exchanger, the temperature of the circulating water is about 10 ℃, and the cold energy of the circulating water is directly used for refrigeration.
Referring to attached drawings 1 and 4, an attached drawing 4 is a part of an attached drawing 1, when refrigerating in summer, a heat dissipation system 7 is of a fan coil type, a soil source refrigerating air conditioner operates, a first circulating water pump 6-1 and a second circulating water pump 6-2 are started, a first electromagnetic valve 2-1 and a second electromagnetic valve 2-2 are opened, a circulating water loop of the soil source refrigerating air conditioner is a buried pipe heat exchanger 9, a second circulating water pump 6-2, a second electromagnetic valve 2-2, a first electromagnetic valve 2-1, a fan coil type heat dissipation system 7, a first circulating water pump 6-1 and a buried pipe heat exchanger 9, and soil cold energy borne by circulating water is transmitted to the indoor through the fan coil type heat dissipation system 7 to supply air conditioning cold air to the indoor.
Referring to the attached drawings 1, 3 and 4, in non-heating seasons, a cross-season energy storage part runs, heat energy is stored in underground soil after being exchanged by a ground heat exchanger 9, and the heat energy source comprises two parts: one part is heat energy obtained by the photovoltaic and composite heat collection integrated device 1; the other part is the indoor environment energy absorbed when the soil source refrigeration air conditioner operates. The heat energy obtained by the solar photovoltaic and composite heat collection integrated device 1 is transferred to the underground soil for storage through the buried pipe heat exchanger 9, so that the heat balance of the underground soil is maintained, and at the moment, the heat energy from the solar energy is higher than the underground soil in temperature and can be transferred by adopting a heat pipe technology; in summer, when the soil source refrigeration air conditioner operates, the absorbed indoor environment can be simultaneously transmitted to underground soil for storage, air conditioner refrigeration is carried out indoors, heat storage in the soil is simultaneously realized, and seasonal energy storage is realized. The whole micro energy network can realize the high-efficiency absorption of solar energy, realize the reasonable distribution and utilization of energy in the micro energy network and improve the energy utilization performance coefficient of the whole system.
Referring to fig. 1, in the micro-grid part for photoelectric conversion and intelligent control, Wpv is the electric energy output by the solar photovoltaic cell 13, W is the electric energy supplied by the micro-grid to the thermal energy system, and Ws is the electric energy exchanged between the micro-grid and the large grid. The power transmission line with the lead wires of the positive electrode and the negative electrode 15 is led out from the tail end of the solar photovoltaic cell, the power transmission line passes through the selective switch 12, when the system runs, the selective switch is switched on to the distributed power controller 10, the distributed power controller 10 controls inversion, voltage stabilization and the like of electric energy, and normal running of electric equipment in the system is maintained. The micro energy network controller 18 performs intelligent sensing and autonomous control on the entire micro energy network.
Referring to the attached drawings 1 and 5, the solar photovoltaic and composite heat collection integrated device 1 realizes the cooling of a photovoltaic cell panel while solar energy is stored in a season-crossing manner, and can improve the photoelectric conversion efficiency.
Referring to the attached drawings 1 and 2, solar heat pump heating is a direct expansion type heat pump system, soil source heat pump heating is an indirect expansion type heat pump system, and solar energy and soil source heat energy can be reasonably allocated through combined heating of the solar heat pump heating and the indirect expansion type heat pump system, so that the energy efficiency of a heating period is improved.
Referring to the attached drawings 1, 3 and 4, a soil source refrigeration air-conditioning part can exchange heat between a low-temperature heat source in soil and an indoor relatively high-temperature environment to realize indoor air-conditioning refrigeration in summer, and meanwhile, the indoor environment can be stored in the soil to be beneficial to soil heat balance.
Referring to the attached figure 1, a grid-connected converter 11 in a micro-grid part for photoelectric conversion and intelligent control can convert direct current generated by photovoltaic into alternating current with the same amplitude, the same frequency and the same phase as those of a large power grid, and the alternating current is transmitted to the large power grid for storage.
Referring to fig. 1, a selective switch in a photoelectric conversion and intelligent control part determines the trend of electric energy, and when the electric energy is switched to a distributed power controller 10, a photovoltaic cell 13 supplies power to a micro-energy grid system supported by solar energy; when the grid-connected converter 11 is started, the electric energy generated by the photovoltaic system is transmitted to a large power grid.
The micro energy network controller 18 can perform intelligent sensing and autonomous control of the micro energy network according to the state of the micro energy network.
Referring to fig. 1, when the electric energy generated by the photovoltaic cell 13 is not enough to maintain the operation of the electric equipment in the system, the power consumption of the system needs to be supplemented by a large power grid; when the system operates in a non-power-utilization peak period, surplus electric energy generated by the photovoltaic cell 13 exists, the selective switch 12 is switched to the grid-connected converter 11 at the moment, and the surplus electric energy is merged into a large power grid.
Claims (5)
1. A solar-supported micro energy network comprises a solar photovoltaic and composite heat collection integrated device part, a solar heat pump heating part, a soil source refrigeration air-conditioning part, a solar cross-season energy storage part, an indoor environment energy storage part, a micro power network part for photoelectric conversion and intelligent control and a micro energy network controller, and is characterized in that: the solar photovoltaic and compound heat collection integrated device comprises a solar photovoltaic cell and a calandria heat collector, a solar heat pump heating part comprises the calandria heat collector, a first compressor, a first expansion valve, a first heat exchanger, a first electromagnetic valve, a heat dissipation system and a first circulating water pump, a soil source heat pump heating part comprises an underground pipe heat exchanger, a second circulating water pump, a third electromagnetic valve, a second heat exchanger, a second compressor, a second expansion valve, a third heat exchanger, the heat dissipation system and the first circulating water pump, a soil source refrigeration air-conditioning part comprises the underground pipe heat exchanger, a second circulating water pump, a fourth electromagnetic valve and a fan coil, a solar cross-season energy storage part comprises the calandria heat collector, the first compressor, the first expansion valve, the first heat exchanger, the second electromagnetic valve, the second circulating water pump and the underground pipe heat exchanger, an indoor environment energy storage part comprises the underground pipe heat exchanger, The micro-grid part for photoelectric conversion and intelligent control comprises a distributed power controller, a grid-connected converter and a selective switch; the system comprises a ground heat pump heating part, a soil source refrigerating and air conditioning part, a solar cross-season energy storage part and an indoor environment cross-season energy storage part, wherein a ground heat exchanger and a second circulating water pump are shared by the soil source heat pump heating part, the soil source refrigerating and air conditioning part and the indoor environment cross-season energy storage part; the solar heat pump heating part and the solar cross-season energy storage part share the calandria heat collector; the system comprises a solar heat pump heating part, a soil source heat pump heating part, an indoor environment energy storage part and a shared heat dissipation system and a first circulating water pump.
2. The solar supported micro energy grid of claim 1, wherein: the solar photovoltaic cell is connected with the calandria heat collector through heat conduction materials.
3. The solar supported micro energy grid of claim 1, wherein: the solar photovoltaic cell and the calandria heat collector are combined into a whole by heat conduction materials.
4. The solar supported micro energy grid of claim 1, wherein: the solar heat pump takes a calandria heat collector in the solar photovoltaic and composite heat collection integrated device part as an evaporator, a heat pump working medium and a first heat exchanger on a user side as a condenser, the condenser transfers heat energy to circulating water on the user side, and the heat dissipation system transfers the heat energy carried by the circulating water on the user side to the indoor space for indoor heating.
5. The solar supported micro energy grid of claim 1, wherein: the ground source heat pump takes the third heat exchanger as an evaporator, the heat pump working medium and the user side second heat exchanger as condensers, the ground heat exchanger obtains heat energy from a soil source, the working medium of the ground heat exchanger is water, the heat energy carried by the working medium water is transferred to the working medium of the ground source heat pump through the third heat exchanger, the heat energy is transferred to user side circulating water through the condensers, and the heat dissipation system transfers the heat energy carried by the user side circulating water to the indoor space for indoor heating.
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| US11739992B2 (en) | 2021-03-03 | 2023-08-29 | Kuwait University | Air conditioning system with solar-powered subcooling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11739992B2 (en) | 2021-03-03 | 2023-08-29 | Kuwait University | Air conditioning system with solar-powered subcooling system |
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