CN218565815U - Solar photovoltaic photo-thermal-based building combined cooling heating and power system - Google Patents
Solar photovoltaic photo-thermal-based building combined cooling heating and power system Download PDFInfo
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- CN218565815U CN218565815U CN202222681014.7U CN202222681014U CN218565815U CN 218565815 U CN218565815 U CN 218565815U CN 202222681014 U CN202222681014 U CN 202222681014U CN 218565815 U CN218565815 U CN 218565815U
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Abstract
The utility model discloses a solar photovoltaic photo-thermal based building combined cooling heating and power system, which comprises a solar photovoltaic photo-thermal plate, an inverter and a hot water storage tank, wherein the inverter and the hot water storage tank are matched with the solar photovoltaic photo-thermal plate, and the solar photovoltaic photo-thermal plate supplies power to a building power grid and a compressor through the inverter respectively; the hot water storage tank is respectively provided with a domestic hot water tank for providing domestic hot water for the building, an absorption refrigerating unit for cooling the building and a heat exchanger for heating the refrigerant of the compressor, and a condenser for heating the building is arranged between the refrigerant outlet of the heat exchanger and the compressor. The utility model discloses utilize solar photovoltaic light and heat board respectively with solar energy conversion for electric energy and heat energy, can be used to the building power supply to realize life hot water supply and cooling and heating's demand for the building, effectively improve the utilization ratio to renewable energy, reduce building internal load, realize the control of building energy consumption.
Description
Technical Field
The utility model belongs to the technical field of the solar photothermal energy is used multipurposely, specific theory is building cold and hot electricity trigeminy supplies system based on solar photovoltaic optothermal.
Background
With the continuous acceleration of economic development and urbanization process, building energy consumption is also in an increasing trend, and under the current large background of carbon neutralization, the development of solar energy resources is taken as one of effective options for improving building energy efficiency and saving energy, and the energy consumption can be effectively reduced by using a renewable energy technology. Among the energy consumptions of buildings, the ones mainly involved are those for cooling and heating, such as: in summer, a large amount of electric energy needs to be consumed inside the building for refrigeration; in winter, a large amount of electric energy needs to be consumed inside the building for heating, and energy consumption is huge. If the solar photovoltaic photo-thermal technology is used, the utilization of renewable energy can be realized, so that the internal load of the building is effectively reduced, and the effects of low carbon and energy conservation are achieved.
Among the prior art, utility model patent that publication number is CN114508865A discloses a solar photovoltaic synthesizes cold and hot electricity trigeminy and supplies system, this system can effectively improve the comprehensive utilization efficiency of solar energy, during concrete operation, set up the pulsating heat pipe at the solar photovoltaic board back for retrieve a large amount of used heat that solar photovoltaic board produced when absorbing solar energy production electric energy, set up heat preservation heat storage water tank simultaneously, condenser and evaporimeter realize heat production and refrigeration, realize then the electricity generation, heat production and refrigerated trigeminy supplies.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cold and hot electricity trigeminy of building supplies system based on solar photovoltaic light and heat, this system utilize solar photovoltaic light and heat board to convert solar energy into electric energy and heat energy respectively, not only can be used to the building power supply, still can combine life hot-water tank, absorption refrigeration unit and condenser, for the demand that the building realized life hot water supply and cooling and heating, the effectual utilization ratio that has improved renewable energy reduces building internal load, realizes the control of building energy consumption.
The utility model discloses a following technical scheme realizes: the solar photovoltaic panel supplies power to a building power grid and a compressor respectively through the inverter, and a storage battery is arranged between the solar photovoltaic panel and the inverter; the hot water storage tank is respectively provided with a domestic hot water tank for providing domestic hot water for a building, an absorption refrigerating unit for supplying cold for the building and a heat exchanger for heating a refrigerant of the compressor, a first electric heater is arranged between the hot water storage tank and an inlet of the domestic hot water tank, a second electric heater is arranged between the hot water storage tank and a heat source inlet of the absorption refrigerating unit, and a condenser for supplying heat for the building is arranged between a refrigerant outlet of the heat exchanger and the compressor.
The outlet of the domestic hot water tank is connected with a hot water storage tank through a first water pump; the heat source outlet of the absorption refrigerating unit is connected with the hot water storage tank through a second water pump; and a hot water outlet of the heat exchanger is connected with a hot water storage tank through a third water pump.
The hot water storage tank is provided with a first four-way reversing valve and a second four-way reversing valve, and the hot water storage tank is respectively connected with the first electric heater, the second electric heater and a hot water inlet of the heat exchanger through the first four-way reversing valve; the hot water storage tank is respectively connected with the first water pump, the second water pump and the third water pump through a second four-way reversing valve.
And the absorption refrigerating unit is also provided with a cooling water circulation loop consisting of a cooling tower and a fourth water pump, the cooling tower is connected with a cooling water outlet of the absorption refrigerating unit, and the fourth water pump is connected with a cooling water inlet of the absorption refrigerating unit.
An expansion valve is further arranged between the heat exchanger and the condenser, and the heat exchanger, the expansion valve, the condenser and the compressor are sequentially connected to form a refrigerant circulation loop.
A first controller is arranged on the first electric heater; and a second controller is arranged on the second electric heater.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) The utility model discloses a renewable energy technique provides the energy for the building, adopts solar photovoltaic light and heat board to convert solar energy into electric energy and heat energy promptly, and the electric energy passes through the dc-to-ac converter power supply, and heat energy is stored through storing up the hot water tank, through the setting of battery, when the sun is sufficient, can store unnecessary electric energy in the battery, when the sun is not enough, then can be with the electric energy in the battery through the dc-to-ac converter power supply, improve the rate of utilization of system, reduce the energy consumption of building.
(2) The utility model discloses can provide life hot water and supply cold and heating for the building, utilize the hot water in the storage hot water jar respectively, send into the life hot-water tank after the heating and use as life hot water, perhaps send into absorption refrigeration unit after the heating and for the building cooling, perhaps to the refrigerant heating in the heat exchanger, utilize the refrigerator to condense in the condenser and release heat and for the building heating, the refrigerant comes from the compressor, can adopt solar photovoltaic light and heat board/battery to pass through the dc-to-ac converter to its power supply, further lowering system energy consumption.
To sum up, compared with the prior art, the utility model, utilize solar photovoltaic light and heat board to become electric energy and heat energy with solar energy conversion, through refrigerating system, heat pump system and life hot water tank, for building power supply, cooling, heating and supply life hot water, reduced the energy consumption of building, have the function of refrigeration, heating, supply with hot water and electricity generation, improved renewable energy's utilization ratio, promoted the development of zero energy consumption building.
Drawings
Fig. 1 is a schematic flow chart of the present invention.
The solar energy heat pump water heater comprises an inverter 1, a storage battery 2, a solar photovoltaic and photothermal plate 3, a fifth water pump 4, a hot water storage tank 5, a first four-way reversing valve 6, a first electric heater 7, a first controller 8, a second controller 9, a second electric heater 10, a cooling tower 11, a fourth water pump 12, an absorption refrigerating unit 13, a heat exchanger 14, a compressor 15, a condenser 16, an expansion valve 17, a third water pump 18, a second water pump 19, a domestic hot water tank 20, a first water pump 21 and a second four-way reversing valve 22.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Example (b):
for solving present sharp building energy consumption, realize the environmental protection requirement of low carbon energy-conservation, this embodiment has proposed building cooling heating power trigeminy based on solar photovoltaic light and heat and has supplied the system, and more current cooling heating power trigeminy based on solar photovoltaic system realizes supplies the system, the utility model discloses design specially to building energy consumption, on cooling heating basis, increased life hydrothermal supply to utilize battery 2, can preserve surplus electric energy, so that utilize the electric energy continuation power supply that battery 2 stored under the insufficient condition of sunshine, further reduce building energy consumption.
In the embodiment, power supply, cold supply, heat supply and domestic hot water supply can be realized, as shown in fig. 1, a solar photovoltaic panel 3, an inverter 1 and a hot water storage tank 5 are adopted, the inverter 1 is matched with the solar photovoltaic panel 3, the solar photovoltaic panel 3 absorbs solar energy and converts the solar energy into electric energy and heat energy respectively, one part of the electric energy is connected with a compressor 15 through the inverter 1, and the other part of the electric energy is connected to a building power grid. In addition, through the storage battery 2 arranged between the solar photovoltaic solar panel 3 and the inverter 1, when the sunlight is sufficient, redundant electric energy can be stored in the storage battery 2, and when the sunlight is insufficient, the electric energy in the storage battery 2 is converted by the inverter 1 and then is supplied to the compressor 15 and the building power grid. The solar photovoltaic photo-thermal plate 3 heats water in the hot water storage tank 5 through a heating pipe (a fifth water pump 4 is arranged on the heating pipe between the solar photovoltaic photo-thermal plate 3 and the hot water storage tank 5), stores heat energy in the hot water storage tank 5, and supplies cold, heat and domestic hot water.
As shown in fig. 1, the system further includes a first electric heater 7, a domestic hot water tank 20, a first water pump 21, a second electric heater 10, an absorption refrigeration unit 13, a second water pump 19, a heat exchanger 14, a third water pump 18, an expansion valve 17, and a condenser 16, and the hot water storage tank 5 is provided with a first four-way selector valve 6 and a second four-way selector valve 22, respectively. The hot water storage tank 5, the first four-way reversing valve 6, the first electric heater 7, the domestic hot water tank 20, the first water pump 21 and the second four-way reversing valve 22 are sequentially connected to form a hot water circulation loop, the first electric heater 7 is provided with a first controller 8 for controlling the first electric heater 7 according to temperature, and the domestic hot water tank 20 in the hot water circulation loop can be used for providing domestic hot water for a building; the hot water storage tank 5, the first four-way reversing valve 6, the second electric heater 10, the absorption refrigerating unit 13, the second water pump 19 and the second four-way reversing valve 22 are sequentially connected to form a heat source circulation loop, the second electric heater 10 is provided with a second controller 9 for controlling the second electric heater 10 according to temperature, the absorption refrigerating unit 13 in the heat source circulation loop can be used for cooling a building, the absorption refrigerating unit 13 is also provided with a cooling water circulation loop consisting of a cooling tower 11 and a fourth water pump 12, the cooling tower 11 is connected with a cooling water outlet of the absorption refrigerating unit 13, and the fourth water pump 12 is connected with a cooling water inlet of the absorption refrigerating unit 13 to ensure the stable operation of the absorption refrigerating unit 13; the hot water storage tank 5, the first four-way reversing valve 6, the heat exchanger 14, the third water pump 18 and the second four-way reversing valve 22 are sequentially connected to form a hot water heat exchange loop, the heat exchanger 14 is used for heating refrigerant coming out of the compressor 15, the heat exchanger 14, the expansion valve 17, the condenser 16 and the compressor 15 are sequentially connected to form a refrigerant circulation loop, and the condenser 16 in the refrigerant circulation loop can be used for heating buildings.
In the specific operation process of the embodiment, as shown in fig. 1, the solar photovoltaic panel 3 is turned on to absorb solar energy and convert the solar energy into electric energy and heat energy, one part of the electric energy supplies power to the compressor 15 through the inverter 1, and the other part of the electric energy is connected to a building power grid to supply power to a building; the fifth water pump 4 is turned on to store the heat energy in the heat storage water tank 5. When domestic hot water needs to be provided for a building, hot water in the hot water storage tank 5 flows through the first electric heater 7 and the domestic hot water tank which are controlled by the first controller 8 after being split by the first four-way reversing valve 6, then flows back to the hot water storage tank 5 through the second four-way reversing valve 22 under the driving of the first water pump 21, if the temperature of the hot water flowing out of the first four-way reversing valve 6 is less than 50 ℃, the first controller 8 controls the first electric heater 7 to heat the hot water, and the domestic hot water tank 20 provides the domestic hot water for the building after being heated; when cold supply is needed for a building, hot water in the hot water storage tank 5 flows through the second electric heater 10 and the absorption refrigerating unit 13 which are controlled by the second controller 9 through the first four-way reversing valve 6, and finally flows back to the hot water storage tank 5 through the second four-way reversing valve 22 under the driving of the second water pump 19, if the temperature of the hot water is lower than 85 ℃, the second electric heater 10 is controlled by the second controller 9 to heat the hot water, cooling water in the absorption refrigerating unit 13 is cooled through the cooling tower 11 under the driving of the fourth water pump 12, and the absorption refrigerating unit 13 supplies cold for the building; when heating for a building is needed, hot water in the hot water storage tank 5 flows through the heat exchanger 14 after passing through the first four-way reversing valve 6 to provide a heat source for a heat pump system, then flows back to the hot water storage tank 5 through the second four-way reversing valve 22 under the driving of the third water pump 18, refrigerant in the compressor 15 flows through the heat exchanger 14, the expansion valve 17 and the condenser 16, and finally flows back to the compressor 15, and the refrigerant is condensed in the condenser 16 to release heat so as to provide heat for the building.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (6)
1. Solar photovoltaic photo-thermal based building combined cooling heating and power system is characterized in that: the solar energy photovoltaic solar energy heat collection system comprises a solar energy photovoltaic solar energy heat plate (3), an inverter (1) and a hot water storage tank (5), wherein the inverter (1) and the hot water storage tank are matched with the solar energy photovoltaic solar energy heat plate (3) for use, the solar energy photovoltaic solar energy heat plate (3) supplies power to a building power grid and a compressor (15) through the inverter (1), and a storage battery (2) is arranged between the solar energy photovoltaic solar energy heat plate (3) and the inverter (1); the hot water storage tank (5) is provided with a domestic hot water tank (20) for providing domestic hot water for a building, an absorption refrigerating unit (13) for supplying cold for the building and a heat exchanger (14) for heating a refrigerant of the compressor (15), a first electric heater (7) is arranged between the hot water storage tank (5) and an inlet of the domestic hot water tank (20), a second electric heater (10) is arranged between the hot water storage tank (5) and a heat source inlet of the absorption refrigerating unit (13), and a condenser (16) for heating the building is arranged between a refrigerant outlet of the heat exchanger (14) and the compressor (15).
2. The solar photovoltaic photo-thermal based building combined cooling heating and power system as defined in claim 1, wherein: the outlet of the domestic hot water tank (20) is connected with the hot water storage tank (5) through a first water pump (21); a heat source outlet of the absorption refrigerating unit (13) is connected with the hot water storage tank (5) through a second water pump (19); and a hot water outlet of the heat exchanger (14) is connected with the hot water storage tank (5) through a third water pump (18).
3. The solar photovoltaic photo-thermal based building combined cooling heating and power system of claim 2, wherein: a first four-way reversing valve (6) and a second four-way reversing valve (22) are arranged on the hot water storage tank (5), and the hot water storage tank (5) is respectively connected with a first electric heater (7), a second electric heater (10) and a hot water inlet of a heat exchanger (14) through the first four-way reversing valve (6); the hot water storage tank (5) is respectively connected with a first water pump (21), a second water pump (19) and a third water pump (18) through a second four-way reversing valve (22).
4. The solar photovoltaic photo-thermal based building combined cooling heating and power system as claimed in claim 1, wherein: and the absorption refrigerating unit (13) is also provided with a cooling water circulation loop consisting of a cooling tower (11) and a fourth water pump (12), the cooling tower (11) is connected with a cooling water outlet of the absorption refrigerating unit (13), and the fourth water pump (12) is connected with a cooling water inlet of the absorption refrigerating unit (13).
5. The solar photovoltaic photo-thermal based building combined cooling heating and power system as defined in claim 1, wherein: an expansion valve (17) is further arranged between the heat exchanger (14) and the condenser (16), and the heat exchanger (14), the expansion valve (17), the condenser (16) and the compressor (15) are sequentially connected to form a refrigerant circulation loop.
6. The solar photovoltaic photo-thermal based building combined cooling heating and power system as claimed in claim 1, wherein: a first controller (8) is arranged on the first electric heater (7); and a second controller (9) is arranged on the second electric heater (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222681014.7U CN218565815U (en) | 2022-10-11 | 2022-10-11 | Solar photovoltaic photo-thermal-based building combined cooling heating and power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222681014.7U CN218565815U (en) | 2022-10-11 | 2022-10-11 | Solar photovoltaic photo-thermal-based building combined cooling heating and power system |
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| Publication Number | Publication Date |
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| CN218565815U true CN218565815U (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222681014.7U Active CN218565815U (en) | 2022-10-11 | 2022-10-11 | Solar photovoltaic photo-thermal-based building combined cooling heating and power system |
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| CN (1) | CN218565815U (en) |
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2022
- 2022-10-11 CN CN202222681014.7U patent/CN218565815U/en active Active
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