CN220471908U - Utilize photovoltaic backplate waste heat to carry out hot water system of heat accumulation - Google Patents
Utilize photovoltaic backplate waste heat to carry out hot water system of heat accumulation Download PDFInfo
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- CN220471908U CN220471908U CN202322084245.4U CN202322084245U CN220471908U CN 220471908 U CN220471908 U CN 220471908U CN 202322084245 U CN202322084245 U CN 202322084245U CN 220471908 U CN220471908 U CN 220471908U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 143
- 239000002918 waste heat Substances 0.000 title claims abstract description 35
- 238000009825 accumulation Methods 0.000 title claims abstract description 7
- 238000005338 heat storage Methods 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims description 36
- 239000008399 tap water Substances 0.000 claims description 25
- 235000020679 tap water Nutrition 0.000 claims description 25
- 230000001502 supplementing effect Effects 0.000 claims description 9
- 239000008400 supply water Substances 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 10
- 238000007710 freezing Methods 0.000 abstract description 5
- 230000008014 freezing Effects 0.000 abstract description 5
- 238000005485 electric heating Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Photovoltaic Devices (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model belongs to the technical field of solar energy, and relates to a hot water system for carrying out heat accumulation by utilizing waste heat of a photovoltaic backboard, which comprises the following components: the heat storage circulation unit and the heat circulation unit for domestic hot water firstly reduce waste of the waste heat of the photovoltaic panel by combining the waste heat utilization system of the photovoltaic panel back plate with the domestic hot water system, and the utility model can recycle the waste heat of the photovoltaic panel on the roof of the building and improve the energy utilization efficiency; secondly, the freezing of the domestic hot water pipeline is avoided, and the domestic hot water pipeline can be avoided by additionally arranging a temperature sensor and electric heating assistance; the utility model reduces the energy waste again, and can reduce the energy waste and improve the energy utilization efficiency by recycling the waste heat and heat accumulation of the photovoltaic panel.
Description
Technical Field
The utility model belongs to the technical field of solar energy, and relates to a hot water system for carrying out heat accumulation by utilizing waste heat of a photovoltaic backboard.
Background
In areas with rich solar energy resources, the photovoltaic backboard can generate certain waste heat, and for severe cold areas, the waste heat can be utilized for heat storage and heating. Therefore, the system of patent CN202211724577.8 using the waste heat of the photovoltaic back plate comprises the following specific steps: 1. installing a photovoltaic backboard: photovoltaic back panels are installed on buildings in severe cold areas to generate electrical energy and waste heat. 2. And (3) collecting waste heat: and the waste heat generated by the photovoltaic backboard is collected by using the heat exchanger and is transferred to the heat storage water tank. 3. And (3) heat storage: the water in the heat storage tank is heated to a certain temperature so as to heat when needed. 4. Heating: the heated water is conveyed into the building through a pipeline, and is used for heating and hot water, so that the living hot water needs are mainly met. 5. And (3) a control system: an intelligent control system is designed, and the temperature of a heating system and the use of hot water can be automatically adjusted according to the indoor temperature and the external temperature. The system utilizing the photovoltaic backboard waste heat can effectively utilize solar energy resources, reduce energy waste and simultaneously provide reliable heating and hot water for buildings in severe cold areas.
However, the water supply temperature and the heat preservation effect of the building hot water system during the running of the building cannot be guaranteed in the prior art, and the energy consumption of the domestic hot water occupies an important part of the energy consumption in the running stage of the building, so that the solar energy can be fully utilized through the waste heat recovery design; the design of the hot water system can improve the life quality in the building; the regulation and control and the design of the heat preservation operation system can improve the hot water operation effect of the buildings in cold areas and reduce the damage fault phenomenon of the hot water system. Therefore, a hot water system for storing heat by using the residual heat of the photovoltaic backboard is needed to solve the technical problem.
Disclosure of Invention
The technical scheme adopted for solving the technical problems is as follows: a hot water system for storing heat using photovoltaic back plate waste heat, comprising: the solar energy heat exchange device comprises a solar cell panel, a micro-channel heat exchange plate, solar vacuum tube auxiliary heating equipment and an immersed phase change heat storage water tank, wherein the micro-channel heat exchange plate is connected to the back surface of the solar cell panel in a heat conduction manner, a waterway of the micro-channel heat exchange plate is connected with the solar vacuum tube auxiliary heating equipment, the waterway of the solar vacuum tube auxiliary heating equipment is connected with the immersed phase change heat storage water tank, the solar cell panel is electrically connected with a storage battery, the storage battery is electrically connected to a circulating heating unit, and a heating part of the circulating heating unit is wrapped on the outer layer of a tap water pipeline; the solar vacuum tube auxiliary heating equipment exchanges heat with the back plate waste heat at the back plate of the solar cell plate through the micro-channel heat exchange plate and stores the heat into the immersed phase change heat storage water tank for supplying hot water in a building; meanwhile, the solar panel generates electricity and then stores the electricity into a storage battery for hot water supply in a building or antifreezing of a tap water pipeline;
the immersed phase-change heat storage water tank waterway is connected to the tail end of water;
the immersed phase-change heat storage water tank is connected to a tap water pipeline through a water supplementing pump rear waterway connected in series.
Preferably, a third valve, a hot water supply pump and a first valve are sequentially connected in series on a waterway from the immersed phase-change heat storage water tank to the tail end of water; the third valve, the hot water supply pump and the first valve are used for controlling the opening or closing of the hot water supply of the immersed phase-change heat storage water tank and the flow of the hot water supply.
More preferably, a second valve is connected in series between the water outlet of the tap water pipeline and the water inlet of the hot water supply pump; the second valve is used for controlling the opening or closing of tap water supply and the flow, and can realize a single hot water supply mode of the immersed phase-change heat storage water tank, a single tap water supply mode of a tap water pipeline and a mixed supply mode of hot water and tap water by combining with the third valve, the hot water pump and the first valve so as to adapt to different water supply temperature requirements in different seasons.
More preferably, temperature sensors are respectively arranged at the back plate of the solar cell panel, the solar vacuum tube auxiliary heating equipment, the submerged phase-change heat storage water tank and the outer layer of the water outlet of the tap water pipeline, the temperature sensors are electrically connected to a controller, and the controller is respectively electrically connected to a first valve, a second valve, a third valve, a heat supply water pump and a circulating heating unit; the temperature sensor is matched with each valve and the water pump to realize that the controller can automatically manage the opening and closing and flow of each valve, and heat and water are supplied according to a preset mode.
More preferably, a water level sensor is arranged in the immersed phase change heat storage water tank, and the water level sensor and the water supplementing pump are electrically connected to the controller; the water level sensor and the water supplementing pump can automatically supplement water when the water quantity of the immersed phase-change heat storage water tank is insufficient, and equipment is prevented from being damaged after the water quantity of the immersed phase-change heat storage water tank is dried.
The beneficial effects of the utility model are as follows:
according to the utility model, the waste of the waste heat of the photovoltaic panel is reduced by combining the photovoltaic panel back plate waste heat utilization system with the domestic hot water system, and the waste heat of the photovoltaic panel on the roof of the building can be recovered, so that the energy utilization efficiency is improved; secondly, the freezing of the domestic hot water pipeline is avoided, and the domestic hot water pipeline can be avoided by additionally arranging a temperature sensor and electric heating assistance; the utility model reduces the energy waste again, and can reduce the energy waste and improve the energy utilization efficiency by recycling the waste heat and heat accumulation of the photovoltaic panel.
Drawings
FIG. 1 is a schematic diagram of a hot water system utilizing photovoltaic back panel waste heat for thermal storage;
FIG. 2 is a schematic diagram of a thermal cycle unit for domestic hot water;
FIG. 3 is a schematic diagram of a cyclic heating unit;
fig. 4 is a flow chart of a control method.
In the figure, 1, a solar cell panel; 2. a microchannel heat exchange plate; 3. solar vacuum tube auxiliary heating equipment; 4. a storage battery; 5. immersed phase change heat storage water tank; 6. tap water pipeline; 7. a circulation heating unit; 8. a water terminal; 9. a hot water supply pump; 10. a first valve; 11. a second valve; 12. a water supplementing pump; 13. a third valve; 14. a heat storage circulation unit; 15. a heat circulation unit for domestic hot water.
Detailed Description
The following description of the related art will be made apparent to, and is not intended to limit the scope of, the embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, a hot water system for storing heat by using waste heat of a photovoltaic back plate, comprising: the solar energy battery board 1, the microchannel heat exchange plate 2, the solar energy vacuum tube auxiliary heating equipment 3, the immersed phase change heat storage water tank 5, the microchannel heat exchange plate 2 is connected to the back of the solar energy battery board 1 in a heat conduction way, the microchannel heat exchange plate 2 is connected with the solar energy vacuum tube auxiliary heating equipment 3 in a water way, the solar energy vacuum tube auxiliary heating equipment 3 is connected with the immersed phase change heat storage water tank 5 in a water way, the solar energy battery board 1 is electrically connected with the storage battery 4, the storage battery 4 is electrically connected to the circulation heating unit 7, and the heating part of the circulation heating unit 7 is wrapped on the outer layer of the tap water pipeline 6; the solar vacuum tube auxiliary heating device 3 exchanges heat with the back plate waste heat at the back plate of the solar cell panel 1 through the micro-channel heat exchange plate 2 and stores the heat into the immersed phase change heat storage water tank 5 for supplying hot water in a building; meanwhile, the solar panel 1 generates electricity and then stores the electricity into the storage battery 4 for hot water supply in the building or antifreezing of the tap water pipeline 6;
the immersed phase-change heat storage water tank 5 is connected to the water terminal 8 through a waterway;
the immersed phase-change heat storage water tank 5 is connected to the tap water pipeline 6 through a water supplementing pump 12 in series and a rear waterway.
Further, a third valve 13, a hot water supply pump 9 and a first valve 10 are sequentially connected in series on a waterway from the immersed phase-change heat storage water tank 5 to the water end 8; the third valve 13, the hot water supply pump 9 and the first valve 10 are used for controlling the opening or closing of the hot water supply of the immersed phase change heat storage water tank 5 and the flow of the hot water supply.
Further, a second valve 11 is connected in series between the water outlet of the tap water pipeline 6 and the water inlet of the hot water supply pump 9; the second valve 11 is used for controlling the on/off of tap water supply and the flow, and can realize a single hot water supply mode of the immersed phase-change heat storage water tank 5, a single tap water supply mode of the tap water pipeline 6 and a mixed supply mode of hot water and tap water in combination with the third valve 13, the hot water pump 9 and the first valve 10 so as to adapt to different water supply temperature requirements in different seasons.
Further, temperature sensors are respectively arranged at the back plate of the solar cell panel 1, the solar vacuum tube auxiliary heating equipment 4, the submerged phase change heat storage water tank 5 and the outer layer of the water outlet of the tap water pipeline 6, and are electrically connected to a controller, and the controller is respectively and electrically connected to a first valve 10, a second valve 11, a third valve 13, a heat supply water pump 9 and a circulating heating unit 7; the temperature sensor is matched with each valve and the water pump to realize that the controller can automatically manage the opening and closing and flow of each valve, and heat and water are supplied according to a preset mode.
Further, a water level sensor is arranged in the immersed phase change heat storage water tank 5, and the water level sensor and the water supplementing pump 12 are electrically connected to a controller; the water level sensor and the water supplementing pump 12 can automatically supplement water when the water quantity of the immersed phase-change heat storage water tank 5 is insufficient, and equipment is prevented from being damaged after the water quantity of the immersed phase-change heat storage water tank 5 is dried.
Examples
In the embodiment, the waste heat at the back plate of the solar cell panel 1 is subjected to heat exchange through the micro-channel heat exchange plate 2 and transferred to the solar vacuum tube auxiliary heating device 3, the solar vacuum tube auxiliary heating device 3 transfers heat to the immersed phase-change heat storage water tank 5 in a water heating mode to store heat of material phase change, and meanwhile, solar power of the solar cell panel 1 is generated and stored in the storage battery 4. When heat is needed, the hot water which is subjected to the phase change heating of the material of the immersed phase change heat storage water tank 5 is conveyed to the water use end 8. When the outdoor temperature is too low, which may cause freezing of the tap water pipe 6, the storage battery 4 supplies power to the circulation heating unit 7, maintaining the pipe temperature of the tap water pipe 6 above the freezing temperature.
In summary, the utility model combines the photovoltaic panel back plate waste heat utilization system with the domestic hot water system, so that waste of the photovoltaic panel waste heat is reduced, the utility model can recycle the building roof photovoltaic panel waste heat, and the energy utilization efficiency is improved; secondly, the freezing of the domestic hot water pipeline is avoided, and the domestic hot water pipeline can be avoided by additionally arranging a temperature sensor and electric heating assistance; the energy waste is reduced again, and the energy waste can be reduced and the energy utilization efficiency is improved by recycling the waste heat and the heat of the photovoltaic panel; therefore, the utility model has wide application prospect.
It is emphasized that: the above embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (5)
1. A hot water system for storing heat using photovoltaic back plate waste heat, comprising: the solar energy battery pack is characterized in that the solar energy battery pack (1) is electrically connected with a storage battery (4), the storage battery (4) is electrically connected to a circulating heating unit (7), and a heating part of the circulating heating unit (7) is wrapped on the outer layer of a tap water pipeline (6);
the immersed phase-change heat storage water tank (5) is connected to the water terminal (8) through a waterway;
the immersed phase-change heat storage water tank (5) is connected to the tap water pipeline (6) through a water supplementing pump (12) in series and a rear water path.
2. The hot water system for heat storage by utilizing the waste heat of the photovoltaic backboard according to claim 1, wherein a third valve (13), a hot water supply pump (9) and a first valve (10) are sequentially connected in series on a waterway from the immersed phase-change heat storage water tank (5) to the water terminal (8).
3. The hot water system for heat accumulation by utilizing the waste heat of the photovoltaic backboard according to claim 2, wherein a second valve (11) is further connected in series between the water outlet of the tap water pipeline (6) and the water inlet of the heat supply water pump (9).
4. A hot water system for storing heat by utilizing waste heat of a photovoltaic backboard according to claim 3, wherein temperature sensors are respectively arranged at the backboard of the solar panel (1), at the solar vacuum tube auxiliary heating equipment (3), in the immersed phase-change heat storage water tank (5) and at the outer layer of the water outlet of the tap water pipeline (6), and are electrically connected to a controller, and the controller is respectively electrically connected to the first valve (10), the second valve (11), the third valve (13), the heat supply water pump (9) and the circulating heating unit (7).
5. The hot water system for storing heat by utilizing waste heat of the photovoltaic backboard according to claim 4, wherein a water level sensor is arranged in the immersed phase change heat storage water tank (5), and the water level sensor and the water supplementing pump (12) are electrically connected to the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322084245.4U CN220471908U (en) | 2023-08-04 | 2023-08-04 | Utilize photovoltaic backplate waste heat to carry out hot water system of heat accumulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322084245.4U CN220471908U (en) | 2023-08-04 | 2023-08-04 | Utilize photovoltaic backplate waste heat to carry out hot water system of heat accumulation |
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| Publication Number | Publication Date |
|---|---|
| CN220471908U true CN220471908U (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322084245.4U Active CN220471908U (en) | 2023-08-04 | 2023-08-04 | Utilize photovoltaic backplate waste heat to carry out hot water system of heat accumulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220471908U (en) |
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2023
- 2023-08-04 CN CN202322084245.4U patent/CN220471908U/en active Active
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