阅读说明：本技术 一种家用光伏光热一体系统 (Household photovoltaic and photo-thermal integrated system ) 是由 周强 许沈浩 孙克 于 2021-07-06 设计创作，主要内容包括：本发明提供了一种家用光伏光热一体系统,包括至少一个光伏光热一体板、第一水箱、第二水箱、热水器、电池控制器和蓄电池,多个光伏光热一体板的光伏模块相互并联/串联后经电池控制器与蓄电池电连接,多个光伏光热一体板的光热模块的进水口相互并联/串联后经水泵与第一水箱的底部连通,多个光伏光热一体板的光热模块的出水口相互并联/串联后与第一水箱顶部连通,第一水箱的底部还通过管路和外接水源连通,第一水箱的顶部通过管路和第二水箱连通,第二水箱和热水器连通。(The invention provides a household photovoltaic and photothermal integrated system which comprises at least one photovoltaic and photothermal integrated plate, a first water tank, a second water tank, a water heater, a battery controller and a storage battery, wherein photovoltaic modules of the photovoltaic and photothermal integrated plates are mutually connected in parallel/in series and then are electrically connected with the storage battery through the battery controller, water inlets of the photothermal modules of the photovoltaic and photothermal integrated plates are mutually connected in parallel/in series and then are communicated with the bottom of the first water tank through a water pump, water outlets of the photothermal modules of the photovoltaic and photothermal integrated plates are mutually connected in parallel/in series and then are communicated with the top of the first water tank, the bottom of the first water tank is further communicated with an external water source through a pipeline, the top of the first water tank is communicated with the second water tank through a pipeline, and the second water tank is communicated with the water heater.)

1. The household photovoltaic and photothermal integrated system is characterized by comprising at least one photovoltaic and photothermal integrated plate (1), a first water tank (2), a second water tank (3), a water heater (4), a battery controller (5) and a storage battery (6), wherein a plurality of photovoltaic modules of the photovoltaic and photothermal integrated plate (1) are connected in parallel/in series with each other and then are electrically connected with the storage battery (6) through the battery controller (5), a plurality of water inlets of the photothermal modules of the photovoltaic and photothermal integrated plate (1) are connected in parallel/in series with each other and then are communicated with the bottom of the first water tank (2) through a water pump (10), a plurality of water outlets of the photothermal modules of the photovoltaic and photothermal integrated plate (1) are connected in parallel/in series with each other and then are communicated with the top of the first water tank (2), and the bottom of the first water tank (2) is further communicated with an external water source through a pipeline (11), the top of the first water tank (2) is communicated with the second water tank (3) through a pipeline (11), and the second water tank (3) is communicated with the water heater (4) through an electromagnetic valve (12).

2. The domestic photovoltaic and photothermal integrated system according to claim 1, further comprising an inverter (7), wherein an input of said inverter (7) is connected to said battery controller (5), and wherein a plurality of ac loads (8) are connected to an output of said inverter (7).

3. The domestic photovoltaic and photothermal integrated system according to claim 1 or 2, wherein a plurality of direct current loads (9) are further connected to said battery controller (5).

4. The domestic photovoltaic and photothermal integrated system according to claim 1 or 2, wherein an electric heater (13) is further disposed in the second water tank (3), and the electric heater (13) is powered by mains electricity or a photovoltaic power generation panel (17).

5. The domestic photovoltaic and photothermal integrated system according to claim 4, wherein said electric heater (13) is annularly attached to the inner wall of said second water tank (3).

6. The household photovoltaic and photothermal integrated system according to claim 1 or 2, wherein the photovoltaic and photothermal integrated plate (1) comprises a frame (15) and a combined plate body, the combined plate body comprises a transparent protection plate (16), a photovoltaic power generation plate (17), an EVA plate (18), a photothermal output plate (19), a heat preservation layer (20) and a back plate (21) which are closely attached from top to bottom, the frame (15) is wrapped around the combined plate body, the photovoltaic power generation plate (17) is electrically connected with the battery controller (5), the photothermal output plate (19) comprises a heat conduction plate (22) and a heat exchange pipe (23) which is detachably mounted on the heat conduction plate (22) and faces one side of the photovoltaic power generation plate (17), the heat exchange pipe (23) is provided with a water inlet end (24) and a water outlet end (25), the water inlet end (24) is communicated with the water pump (10), the water outlet end (25) is communicated with the upper end of the first water tank (2).

7. The integrated household photovoltaic and photothermal system according to claim 6, wherein the frame (15) comprises an upper frame (26) and a lower frame (27) which can be fastened to each other, the upper frame (26) extends to form an upper edge (28), the lower frame (27) extends to form a lower edge (29), when the upper frame (26) is fastened to the lower frame (27), the upper edge (28) presses on the edge of the transparent protection plate (16), the lower edge (29) presses on the edge of the backboard (21), a first anti-slip spline (30) is arranged on one side of the upper edge (28) facing the transparent protection plate (16), a second anti-slip spline (31) is arranged on one side of the lower edge (29) facing the backboard (21), and the first anti-slip spline (30) and the second anti-slip spline (31) are opposite to each other.

8. The domestic photovoltaic and photothermal integrated system according to claim 6, wherein said lower frame (27) is provided with a slot (32) on the side facing said upper frame (26), and said upper frame (26) is provided with a plug member (33) on the side facing said lower frame (27) and engaged with said slot (32), said plug member (33) being capable of being inserted and positioned in said slot (32).

9. The household photovoltaic and photothermal integrated system according to claim 6, wherein the heat conducting plate (22) is fixedly connected with a plurality of clamping grooves (34), the clamping grooves are arranged along the axial lead direction of the heat exchanging tube (23), and the notches of the clamping grooves (34) are slightly narrower than the diameter of the heat exchanging tube (23).

Technical Field

The invention belongs to the technical field of solar energy application, and particularly relates to a household photovoltaic and photothermal integrated system.

Background

The development and utilization of new energy are demands and trends of social development. Solar energy is an energy form widely existing in nature, is rich in resources, clean, cheap and renewable, has wide application prospect, and the utilization of derived solar energy is also gradually rich, for example, photovoltaic panels are utilized to convert solar energy into electric energy. However, existing domestic solar systems only use solar energy for electricity generation or only solar hot water. When solar energy is used for generating electricity, the photovoltaic panel can generate low-temperature heat energy about 3 times of the generated electricity, the heat energy cannot be effectively utilized and converted and is directly discharged into the air, a large amount of energy is lost, meanwhile, the generated heat energy also causes the temperature of the photovoltaic panel to rise, the battery efficiency is reduced, and the photoelectric conversion rate is further reduced. Therefore, the existing household solar energy system is low in efficiency in utilization of solar energy, and the problem of serious energy waste exists.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a household photovoltaic and photo-thermal integrated system with high solar energy utilization rate.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an integrative system of domestic photovoltaic light and heat, includes at least one photovoltaic light and heat intergral template, first water tank, second water tank, water heater, battery controller and battery, and is a plurality of the photovoltaic module of photovoltaic light and heat intergral template is parallelly connected each other/establish ties the back warp battery controller is connected with the battery electricity, and is a plurality of the water inlet of the light and heat module of photovoltaic light and heat intergral template parallelly connected each other/establish ties the back through the water pump with the bottom intercommunication of first water tank, it is a plurality of the delivery port of the light and heat module of photovoltaic light and heat intergral template parallelly connected each other/establish ties the back with first water tank top intercommunication, the bottom of first water tank still passes through pipeline and external water source intercommunication, the top of first water tank pass through the pipeline with second water tank intercommunication, the second water tank with the water heater intercommunication.

In foretell integrative system of domestic photovoltaic light and heat, still include the inverter, the input of inverter with battery controller connects, the output of inverter is connected with a plurality of interchange loads.

In the above-mentioned integrative system of domestic photovoltaic light and heat, battery controller still is connected with a plurality of direct current loads.

In the above-mentioned integrative system of domestic photovoltaic light and heat, still be equipped with electric heater in the second water tank, electric heater passes through commercial power or photovoltaic power generation board power supply.

In the above-mentioned integrative system of domestic photovoltaic light and heat, electric heater is cyclic annular laminating and is in second water tank inner wall.

In foretell integrative system of domestic photovoltaic light and heat, integrative board of photovoltaic light and heat includes frame and combination plate body, the combination plate body includes that top-down closely pastes transparent guard plate, photovoltaic power generation board, EVA board, light and heat output board, heat preservation and the backplate that leans on in proper order, the frame parcel is in around the combination plate body, photovoltaic power generation board with the battery controller electricity is connected, light and heat output board includes that heat-conducting plate and detachable install towards on the heat-conducting plate the hot exchange pipe of one side of photovoltaic power generation board, hot exchange pipe has into water end and play water end, the end of intaking with the water pump intercommunication, go out water end with the upper end intercommunication of first water tank.

In foretell integrative system of domestic photovoltaic light and heat, the frame is including upper ledge and the lower frame that can lock each other, the upper ledge has last edge to extending, the lower frame inwards extends to have down along, the upper ledge lock is in when the lower frame is last, go up along pressing the edge at transparent guard plate, just down along pressing the edge at the backplate, go up along being equipped with first anti-skidding tooth's socket in one side of the transparent guard plate of orientation, be equipped with second anti-skidding tooth's socket in one side of orientation backplate down, first anti-skidding tooth's socket and second anti-skidding tooth's socket are relative.

In foretell integrative system of domestic photovoltaic light and heat, lower frame one side towards the upper ledge is equipped with the slot, upper ledge one side towards the lower frame be equipped with slot complex plug spare, plug spare can insert and fix a position in the slot.

In foretell integrative system of domestic photovoltaic light and heat, a plurality of draw-in grooves have been linked firmly on the heat-conducting plate, arrange along hot exchange pipe's axial lead direction, the notch of draw-in groove is than hot exchange pipe's diameter is slightly narrow.

Compared with the prior art, the household photovoltaic photo-thermal integrated system has the following advantages: solar energy high-usage can realize power supply and heat supply in step, saves energy expenditures such as a large amount of charges of electricity and gas for the user, utilizes hot exchange pipe can also effectively reduce photovoltaic power generation board's heat production simultaneously, improves photovoltaic power generation board's rate of generation, has good use prospect.

Drawings

FIG. 1 is a schematic diagram of the present domestic photovoltaic photo-thermal integrated system.

Fig. 2 is a schematic structural view of the photovoltaic-photothermal integrated sheet.

Fig. 3 is a schematic structural diagram of a frame.

Fig. 4 is a schematic view of a structure of the light-heat output plate.

Fig. 5 is a partial sectional view of the light and heat output plate.

In the figure, 1, a photovoltaic and photothermal integrated plate; 2. a first water tank; 3. a second water tank; 4. a water heater; 5. a battery controller; 6. a storage battery; 7. an inverter; 8. an alternating current load; 9. A direct current load; 10. a water pump; 11. a pipeline; 12. an electromagnetic valve; 13. an electric heater; 14. A temperature switch; 15. a frame; 16. a transparent protection plate; 17. a photovoltaic power generation panel; 18. an EVA plate; 19. a light and heat output plate; 20. a heat-insulating layer; 21. a back plate; 22. a heat conducting plate; 23. A heat exchange tube; 24. a water inlet end; 25. a water outlet end; 26. putting the frame on; 27. a lower frame; 28. An upper edge; 29. a lower edge; 30. a first anti-slip spline; 31. a second anti-slip spline; 32. A slot; 33. a plug member; 34. a clamping groove.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, the household photovoltaic photo-thermal integrated system includes at least one photovoltaic photo-thermal integrated plate 1, a first water tank 2, a second water tank 3, a water heater 4, a battery controller 5, a storage battery 6, and an inverter 7. The photovoltaic modules of the photovoltaic and photothermal integrated plates 1 are connected in parallel/series and then electrically connected with the storage battery 6 through the battery controller 5, the input end of the inverter 7 is electrically connected with the battery controller 5, the output end of the inverter 7 is electrically connected with the alternating current load 8 in the household appliance, the inverter 7 converts the direct current of the storage battery 6 into constant-frequency and constant-voltage or frequency-modulation and voltage-regulation alternating current, generally 220V and 50Hz sine waves, and then the alternating current is supplied to each alternating current load 8. The battery controller 5 is electrically connected to the dc loads 9 of the household electrical appliance, and transforms the electric power of the battery 6 to supply the transformed electric power to the dc loads 9. The ac load 8 includes a refrigerator, an air conditioner, a television, a washing machine, and the like. Preferably, in the present embodiment, the photovoltaic modules of each of the photovoltaic and photothermal integrated plates 1 are connected in parallel. The water inlet of the light and heat module of a plurality of photovoltaic light and heat integrated boards 1 is through water pump 10 and first water tank 2's bottom intercommunication after parallelly connected/series connection each other, the delivery port of the light and heat module of a plurality of photovoltaic light and heat integrated boards 1 is parallelly connected/series connection each other back and first water tank 2 top intercommunication, pipeline 11 and external water source intercommunication are still passed through to first water tank 2's bottom, pipeline 11 and 3 intercommunications of second water tank are passed through to first water tank 2's top, second water tank 3 passes through solenoid valve 12 and water heater 4 intercommunication. The preferred, the water inlet of the light and heat module of each photovoltaic light and heat integrated board 1 communicates through the bottom of water pump 10 with first water tank 2 after connecting in parallel each other, can realize the synchro-heating like this, avoids concatenating the extravagant and inefficiency of heat that exists.

An electric heater 13 is also arranged in the second water tank 3, and the electric heater 13 is powered by commercial power or the storage battery 6. Electric heater 13 is cyclic annular laminating at second water tank 3 inner wall, realizes annular heating, and is preferred, sets up a plurality of electric heater 13, and top-down arranges respectively at second water tank 3 inner walls, can guarantee like this that the temperature in the second water tank 3 is even. In addition, for better ensuring the water temperature, the starting and stopping of the electric heater 13 is controlled by a temperature switch 14, and the temperature switch 14 is arranged in the second water tank 3. Firstly, tap water flows into the lower part of the first water tank 2, is pumped into each photovoltaic-thermal integrated plate 1 through the water pump 10, collects heat and then flows into the upper part of the first water tank 2 again, so that cold water is below and hot water is above. As the quantity of injected water increases, the hot water portion flows into the second tank 3 through the line 11 and is stored in the second tank 3. Set up two water tanks, not only increase the water storage capacity, can also avoid a water tank hot and cold water to intersect and directly carry for water heater 4 and lead to the unstable problem of heat supply. It should be noted that the outside of both water tanks is coated with heat insulating material or is sleeved with a heat insulating cover.

As shown in fig. 2 and 3, the integrated photovoltaic-thermal panel 1 includes a frame 15 and a combined panel body, the combined panel body includes a transparent protection plate 16, a photovoltaic power generation plate 17, an EVA plate 18, a photo-thermal output plate 19, a heat preservation layer 20 and a back plate 21, which are sequentially and tightly attached from top to bottom, the frame 15 is wrapped around the combined panel body, the photovoltaic power generation plate 17 is electrically connected with the battery controller 5, the photo-thermal output plate 19 includes a heat conduction plate 22 and a heat exchange tube 23 detachably mounted on the heat conduction plate 22 and facing one side of the photovoltaic power generation plate 17, the heat exchange tube 23 has a water inlet end 24 and a water outlet end 25, the water inlet end 24 is communicated with the water pump 10, and the water outlet end 25 is communicated with the upper end of the first water tank 2. The frame 15 includes upper ledge 26 and lower frame 27 that can buckle each other, and upper ledge 26 has last edge 28 to extending, and lower frame 27 inwards extends has lower edge 29, and when upper ledge 26 buckled on lower frame 27, last edge 28 pressed at the edge of transparent guard plate 16, and lower edge 29 pressed at the edge of backplate 21, and one side of going up edge 28 towards transparent guard plate 16 is equipped with first anti-skidding tooth's socket 30, and one side of lower edge 29 towards backplate 21 is equipped with second anti-skidding tooth's socket 31, and first anti-skidding tooth's socket 30 and second anti-skidding tooth's socket 31 are relative.

The upper frame 26 and the lower frame 27 adopt a plug-in type matching structure, a slot 32 is arranged on one side of the lower frame 27 facing the upper frame 26, a plug piece 33 matched with the slot 32 is arranged on one side of the upper frame 26 facing the lower frame 27, and the plug piece 33 can be inserted into and positioned in the slot 32. This enables quick attachment and detachment of the frame 15, and in other embodiments of the present invention, screws, rivets, or the like may be used to fix the upper frame 26 and the lower frame 27.

As shown in fig. 4 and 5, the heat conducting plate 22 is fixedly connected with a plurality of clamping grooves 34 which are arranged along the axial line direction of the heat exchanging tube 23, and the notches of the clamping grooves 34 are slightly narrower than the diameter of the heat exchanging tube 23. Through interference fit, make hot exchange pipe 23 can block in draw-in groove 34 to reliable and stable, hot exchange pipe 23 can closely laminate with heat-conducting plate 22 simultaneously, is convenient for absorb the heat and carry out heat output through the rivers in hot exchange pipe 23.

The household photovoltaic and photo-thermal integrated system realizes high-efficiency utilization of solar energy and has two functions of solar power generation and heating. Through solar power generation, power supply to various household appliances is realized by using the inverter 7 and the battery controller 5, so that a large amount of electricity charges can be saved for users; meanwhile, heat is collected through the heat exchange tube 23, so that solar heating is realized, hot water is provided for the water heater 4, and the expenses of electricity, gas and the like of a user can be effectively saved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.