Plateau photovoltaic combined solid electric heat storage integrated heat supply device

Abstract

The utility model discloses a plateau photovoltaic combined solid electric heat storage integrated heat supply device, which relates to the technical field of solar energy utilization and comprises a photovoltaic photo-thermal system, an electric heat storage system and a heat exchange system. The photovoltaic photo-thermal system comprises a photovoltaic panel, a heat dissipation layer is attached to the lower side of the photovoltaic panel, the heat dissipation layer is connected with a heat exchange system, and heat energy dissipated by the heat dissipation layer is output to the heat exchange system; the photovoltaic panel is connected with the electric heat storage system and supplies power to the electric heat storage system; the electric heat storage system is connected with the heat exchange system, and the electric heat storage system can convert electric energy into heat energy and output the heat energy to the heat exchange system; and the heat exchange system supplies heat to the user side. According to the utility model, the heat of the photovoltaic panel can be led out for heat storage and heating while photovoltaic power generation and heat storage are realized, so that on one hand, the heat of the photovoltaic panel is utilized for heating, the surface temperature of the photovoltaic panel during working is reduced, energy conservation and emission reduction are realized, and the economic benefit is remarkable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of solar energy utilization, specifically relates to a plateau photovoltaic combined solid electric heat storage integrated heat supply device. BACKGROUND

[0002] The statements in this section merely provide background information related to the present disclosure and can not constitute prior art.

[0003] Traditional energy supply systems face a series of challenges in plateau regions, including but not limited to the instability of weather conditions, the inconvenience of transportation, and the shortage of energy supply. In particular, in remote plateau regions, the construction and maintenance costs of traditional energy supply systems are often high, and it is difficult to meet the heating needs of local residents. In addition, the climate conditions in plateau regions also pose additional requirements for energy supply, with large diurnal temperature differences, but also abundant solar energy resources.

[0004] Photovoltaic heat supply technology has great potential in plateau regions, as it not only converts solar energy into electricity, but also uses the heat generated by photovoltaic panels for heating. The operation of photovoltaic modules is significantly affected by environmental temperature and the temperature of the solar photovoltaic module itself, especially under long-term summer sunlight, the temperature of the solar photovoltaic module rises rapidly, resulting in a sharp decline in photoelectric conversion efficiency. And most of the current photovoltaic heat supply systems still rely on external power grid power supply, and there are problems such as low energy utilization rate and poor economic benefits in the actual application in plateau regions.

[0005] Solid electric heat storage technology provides a new way to solve the energy supply problem in plateau regions. However, traditional solid electric heat storage devices have problems such as low energy utilization rate and strong dependence on external power grid, which are difficult to meet the special needs of plateau regions. Therefore, an innovative heat supply device combining photovoltaic technology and solid electric heat storage technology is needed to address the challenges of energy supply in plateau regions. SUMMARY

[0006] The utility model relates to a kind of plateau photovoltaic combined solid electric heat storage integrated heat supply device, to overcome the deficiency of traditional solid electric heat storage device in energy supply and energy utilization rate. The device combines photovoltaic photo-thermal and solid electric heat storage technology, which can effectively utilize solar energy resources and convert them into heat energy for storage for subsequent heating and other purposes.

[0007] To achieve the above purpose, the utility model provides the following technical scheme:

[0008] A kind of plateau photovoltaic combined solid electric heat storage integrated heat supply device, comprising: photovoltaic photo-thermal system, electric heat storage system and heat exchange system;

[0009] The photovoltaic photo-thermal system comprises a photovoltaic panel, a heat dissipation layer attached to the lower side of the photovoltaic panel, and a heat exchange system connected to the heat dissipation layer, wherein the heat dissipation layer outputs heat energy to the heat exchange system; the photovoltaic panel is connected to an electric heat storage system to provide power supply for the electric heat storage system.

[0010] The electric heat storage system is connected to the heat exchange system, and the electric heat storage system can convert electric energy into heat energy and output the heat energy to the heat exchange system.

[0011] The heat exchange system provides heat supply for the user side.

[0012] Further, the photovoltaic panel is connected to an electric cabinet through a wire, and the electric cabinet provides power supply for the electric heat storage system.

[0013] Further, the electric heat storage system comprises a heat preservation layer and a heat storage device, the heat storage device is arranged in the heat preservation layer, the electric cabinet is connected to the heat storage device to provide power supply for the heat storage device, and the heat storage device is connected to the heat exchange system.

[0014] Further, the heat storage device comprises a heat storage magnesium brick, a heating resistance wire is attached to the inside of the heat storage magnesium brick, the electric cabinet supplies power to the heating resistance wire through a wire to heat the heating resistance wire, the heating resistance wire transmits heat to the heat storage magnesium brick, and the heat storage magnesium brick heats air.

[0015] Further, the heat preservation layer is provided with a support column, the heat storage magnesium brick is placed above the support column, a circulating air duct is arranged between the heat preservation layer and the heat storage magnesium brick, a first fan is arranged on one side of the circulating air duct, and a second fan is arranged on the other side of the circulating air duct, so that air flows through the heat storage magnesium brick and the circulating air duct quickly through the first fan and the second fan.

[0016] Further, the photovoltaic panel is arranged above the heat preservation layer, and the heat dissipation layer is arranged between the photovoltaic panel and the heat preservation layer; the heat dissipation layer comprises a cooling pipe connected to the heat exchange system through a first circulating pipeline.

[0017] Further, the heat exchange system comprises a water storage tank, a first heat exchanger and a second heat exchanger; the cooling pipe is connected to the water storage tank through the first circulating pipeline; the first heat exchanger is arranged in the circulating air duct and close to the first fan, and the first heat exchanger is connected to the water storage tank and the second heat exchanger through a second circulating pipeline; the second heat exchanger is arranged close to the user side, one end of the second heat exchanger is connected to the water storage tank, and the other end of the second heat exchanger is connected to the user side through a third circulating pipeline.

[0018] Further, a first temperature sensor is arranged in the heat dissipation layer.

[0019] Further, a second temperature sensor is arranged in the water storage tank.

[0020] Further, the first circulating pipeline is further provided with a first valve and a first water pump, the second circulating pipeline is further provided with a second valve and a second water pump, and the third circulating pipeline is further provided with a third valve and a third water pump.

[0021] Compared with the prior art, the utility model has the advantages of:

[0022] Compared with the traditional solid electric heat storage device, the utility model combines photovoltaic power generation and solid electric heat storage technology to form a photovoltaic-thermal integrated heating system, which fully utilizes solar energy resources. The lower side of the photovoltaic panel is further provided with a heat dissipation layer and a cooling pipe, which can effectively dissipate the heat generated by the photovoltaic panel, reduce the working temperature of the photovoltaic panel, and improve the efficiency and service life of the photovoltaic panel. Through the heat storage system and the heat exchange system, the utility model can store the heat generated by the photovoltaic panel and use it for heating purposes, realizing double use of energy and saving energy consumption. The utility model not only effectively utilizes solar energy resources, but also reduces energy consumption and carbon emissions, realizes the goal of energy saving and emission reduction, and meets the requirements of environmental protection and sustainable development. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a highland photovoltaic combined solid electric heat storage integrated heating device structure schematic view;

[0024] Figure 2 It is a highland photovoltaic combined solid electric heat storage integrated heating device usage method flow chart.

[0025] The drawings show that 1 is a photovoltaic-thermal system, 2 is an electric heat storage system, 3 is a heat exchange system, 11 is a photovoltaic panel, 12 is a heat dissipation layer, 13 is a cooling pipe, 14 is an electrical cabinet, 21 is a heat preservation layer, 22 is a heat storage device, 23 is a support column, 24 is a circulating air duct, 31 is a water storage tank, 32 is a first heat exchanger, 33 is a second heat exchanger, 34 is a first circulating pipeline, 35 is a second circulating pipeline, 36 is a third circulating pipeline, 37 is a user side, 121 is a first temperature sensor, 222 is a heating resistance wire, 221 is a heat storage magnesium brick, 241 is a first fan, 242 is a second fan, 311 is a second temperature sensor, 341 is a first water pump, 342 is a first valve, 351 is a second water pump, 352 is a second valve, 361 is a third valve, and 362 is a third water pump. DETAILED DESCRIPTION

[0026] It is to be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0027] The features and performance of the present application will be described in further detail below with reference to the embodiments.

[0028] Embodiment One

[0029] Please refer to Figure 1 A high-altitude photovoltaic combined solid-state electric heat storage integrated heat supply device, comprising:

[0030] A photovoltaic photo-thermal system 1, an electric heat storage system 2, and a heat exchange system 3;

[0031] The photovoltaic photo-thermal system 1 comprises a photovoltaic panel 11, the lower side of the photovoltaic panel 11 is attached with a heat dissipation layer 12, the heat dissipation layer 12 is connected with the heat exchange system 3, and the heat energy dissipated by the heat dissipation layer 12 is output to the heat exchange system 3; the photovoltaic panel 11 is connected with the electric heat storage system 2 to provide power supply for the electric heat storage system 2;

[0032] The electric heat storage system 2 is connected with the heat exchange system 3, and the electric heat storage system 2 can convert electric energy into heat energy and output the heat energy to the heat exchange system 3;

[0033] The heat exchange system 3 supplies heat to a user side 37.

[0034] In the embodiment, specifically, the photovoltaic panel 11 is connected with an electrical cabinet 14 through a wire, and the electrical cabinet 14 supplies power for the electric heat storage system 2.

[0035] In the embodiment, specifically, the electric heat storage system 2 comprises a heat preservation layer 21 and a heat storage device 22, the heat storage device 22 is arranged inside the heat preservation layer 21, the electrical cabinet 14 is connected with the heat storage device 22 to supply power for the heat storage device 22; and the heat storage device 22 is connected with the heat exchange system 3.

[0036] In this embodiment, specifically, the heat storage device 22 comprises: heat storage magnesium bricks 221, heating resistance wires 222 are arranged inside the heat storage magnesium bricks 221, the electric cabinet 14 supplies electricity to the heating resistance wires 222 through wires to heat, and the heating resistance wires 222 transmit heat to the heat storage magnesium bricks 221 to heat air through the heat storage magnesium bricks 221.

[0037] In this embodiment, specifically, the heat preservation layer 21 is provided with support columns 23, and the heat storage magnesium bricks 221 are placed above the support columns 23; a circulating air duct 24 is arranged between the heat preservation layer 21 and the heat storage magnesium bricks 221; a first air blower 241 is arranged on one side of the circulating air duct 24, and a second air blower 242 is arranged on the other side of the circulating air duct 24; air flow is rapidly heated through the heat storage magnesium bricks 221 and the circulating air duct 24 by the first air blower 241 and the second air blower 242, and the high-temperature heated air flow is subjected to heat exchange through the first heat exchanger 32.

[0038] In this embodiment, specifically, the photovoltaic panel 11 is arranged above the heat preservation layer 21, and the heat dissipation layer 12 is arranged between the photovoltaic panel 11 and the heat preservation layer 21; the heat dissipation layer 12 comprises cooling pipes 13, and the cooling pipes 13 are connected with the heat exchange system 3 through first circulating pipelines 34; in this embodiment, the cooling pipes 13 are arranged in a serpentine structure.

[0039] In this embodiment, specifically, the heat exchange system 3 comprises a water storage tank 31, a first heat exchanger 32 and a second heat exchanger 33; the cooling pipes 13 are connected with the water storage tank 31 through the first circulating pipelines 34; the first heat exchanger 32 is arranged inside the circulating air duct 24 and close to the first air blower 241; the first heat exchanger 32 is connected with the water storage tank 31 and the second heat exchanger 33 through second circulating pipelines 35; the second heat exchanger 33 is arranged close to the user side 37, one end of the second heat exchanger 33 is connected with the water storage tank 31, and the other end of the second heat exchanger 33 is connected with the user side 37 through third circulating pipelines 36.

[0040] In this embodiment, specifically, the heat dissipation layer 12 is provided with a first temperature sensor 121.

[0041] In this embodiment, specifically, the water storage tank 31 is provided with a second temperature sensor 311.

[0042] In this embodiment, specifically, the first circulating pipelines 34 are further provided with a first valve 342 and a first water pump 341, the second circulating pipelines 35 are further provided with a second valve 352 and a second water pump 351, and the third circulating pipelines 36 are further provided with a third valve 361 and a third water pump 362.

[0043] Please refer to Figure 2 The specific process of the utility model is as follows:

[0044] Firstly, when the photovoltaic panel 11 works in the daytime, the generated electric energy is inverted and boosted by the electrical cabinet 14, and the generated current is used to heat the heating resistance wire 222, and the heat energy emitted by the heating resistance wire 222 is absorbed by the heat storage magnesium brick 221, thereby playing a heat storage role.

[0045] Secondly, the first temperature sensor 121 detects the temperature of the heat dissipation layer 12 inside the photovoltaic panel 11 as T1, and the second temperature sensor 311 detects the temperature inside the water storage tank 31 as T2, when T2>T1, the first valve 342 and the first water pump 341 are opened, the water flow inside the water storage tank 31 flows through the first circulating pipeline 34 and the cooling pipe 13 to cool the photovoltaic panel 11, and the water flow is heated and circulated back to the water storage tank 31 until T2≤T1.

[0046] Finally, when the user side 37 needs heating, the water flow inside the water storage tank 31 enters the first heat exchanger 32 through the second circulating pipeline 35, and is heated after heat exchange with the heat storage device 22, and then the hot water enters the second heat exchanger 33 to heat the cold water in the third circulating pipeline 36 of the user side 37 and cool itself, and finally flows back to the water storage tank 31.

[0047] The above-described embodiments only express the specific implementation of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the protection scope of the present application. It should be pointed out that for ordinary skilled persons in the art, without departing from the technical concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.

[0048] This background section is provided to generally present the context of the present application, the work of the current named inventor, the work described in this background section to the extent described in this section, and the description in this section at the time of application, neither explicitly nor implicitly, is recognized as prior art of the present application.

Claims

1. A high-altitude photovoltaic combined solid-state electric heat storage integrated heating device, characterized in that, Include: Photovoltaic photothermal system (1), electric heat storage system (2) and heat exchange system (3); The photovoltaic photothermal system (1) comprises a photovoltaic panel (11), the lower side of the photovoltaic panel (11) is attached with a heat dissipation layer (12), the heat dissipation layer (12) is connected with the heat exchange system (3), and the heat dissipated by the heat dissipation layer (12) is output to the heat exchange system (3); the photovoltaic panel (11) is connected with the electric heat storage system (2) to provide power supply for the electric heat storage system (2); The electric heat storage system (2) is connected with the heat exchange system (3), and the electric heat storage system (2) can convert electric energy into heat energy and output the heat energy to the heat exchange system (3); The heat exchange system (3) supplies heat to the user side (37).

2. The high-altitude photovoltaic combined solid-state electricity and heat storage integrated heating device according to claim 1, characterized in that, The photovoltaic panel (11) is connected with the electrical cabinet (14) through wires, and the electrical cabinet (14) supplies power for the electric heat storage system (2).

3. The high-altitude photovoltaic combined solid-state electricity and heat storage integrated heating device according to claim 2, characterized in that, The electric heat storage system (2) comprises a heat preservation layer (21) and a heat storage device (22), the heat storage device (22) is arranged inside the heat preservation layer (21), the electrical cabinet (14) is connected with the heat storage device (22) to supply power for the heat storage device (22); the heat storage device (22) is connected with the heat exchange system (3).

4. The high-altitude photovoltaic combined solid-state electricity and heat storage integrated heating device according to claim 3, characterized in that, The heat storage device (22) comprises heat storage magnesium bricks (221), the heat storage magnesium bricks (221) are internally attached with heating resistance wires (222), the electrical cabinet (14) supplies power to the heating resistance wires (222) through wires to heat, the heating resistance wires (222) transmit heat to the heat storage magnesium bricks (221), and the heat storage magnesium bricks (221) heat air.

5. The high-altitude photovoltaic combined solid-state electricity and heat storage integrated heating device according to claim 4, characterized in that, The heat preservation layer (21) is provided with support columns (23), the heat storage magnesium bricks (221) are placed above the support columns (23); a circulating air duct (24) is arranged between the heat preservation layer (21) and the heat storage magnesium bricks (221); a first fan (241) is arranged on one side of the circulating air duct (24), and a second fan (242) is arranged on the other side of the circulating air duct (24), air flow is rapidly heated through the heat storage magnesium bricks (221) and the circulating air duct (24) through the first fan (241) and the second fan (242).

6. The high-altitude photovoltaic combined solid-state electricity and heat storage integrated heating device according to claim 5, characterized in that, The photovoltaic panel (11) is arranged above the heat preservation layer (21), and the heat dissipation layer (12) is located between the photovoltaic panel (11) and the heat preservation layer (21); the heat dissipation layer (12) comprises cooling pipes (13), and the cooling pipes (13) are connected with the heat exchange system (3) through a first circulating pipeline (34).

7. The high-altitude photovoltaic combined solid-state electricity and heat storage integrated heating device according to claim 6, characterized in that, The heat exchange system (3) comprises a water storage tank (31), a first heat exchanger (32) and a second heat exchanger (33); the cooling pipes (13) are connected with the water storage tank (31) through the first circulating pipeline (34); the first heat exchanger (32) is arranged inside the circulating air duct (24) and is close to the first fan (241); the first heat exchanger (32) is connected with the water storage tank (31) and the second heat exchanger (33) through a second circulating pipeline (35); the second heat exchanger (33) is arranged close to the user side (37), one end is connected with the water storage tank (31), and the other end is connected with the user side (37) through a third circulating pipeline (36).

8. The high-altitude photovoltaic combined solid-state electricity and heat storage integrated heating device according to claim 7, characterized in that, The heat dissipation layer (12) is internally provided with a first temperature sensor (121).

9. The high-altitude photovoltaic combined solid-state electricity and heat storage integrated heating device according to claim 8, characterized in that, The water storage tank (31) is internally provided with a second temperature sensor (311).

10. The high-altitude photovoltaic combined solid-state electric heat-accumulating integrated heating device according to claim 9, characterized in that, The first circulating pipeline (34) is further provided with a first valve (342) and a first water pump (341), the second circulating pipeline (35) is further provided with a second valve (352) and a second water pump (351), and the third circulating pipeline (36) is further provided with a third valve (361) and a third water pump (362).

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