CN218829850U - A Photovoltaic Photothermal Integrated Device - Google Patents

Abstract

The utility model provides a photovoltaic photothermal integrated device, which relates to the field of photovoltaic photothermal technology, comprising a vacuum thermoelectric tube, a water collection pipe and a water distribution pipe, the water distribution pipe is arranged under the vacuum thermoelectric tube, and the water collection pipe is arranged at the bottom of the vacuum thermoelectric tube Above, the vacuum thermoelectric tube runs through up and down, the inlet valve is installed on the water distribution pipe, and the outlet valve is installed on the water collection pipe. One end of the vacuum thermoelectric tube is connected to the water collection pipe, and the other end is connected to the transfer wire pipe. The vacuum thermoelectric tube, water enters from the lower water distribution pipe and flows out from the upper water collection pipe, changing the original water flow direction, installing an inlet valve on the water distribution pipe, and installing an outlet valve on the water collection pipe, after the water is cut off for some reason, the water in the pipe evaporates or After leakage, the float valves of the inlet valve and the outlet valve are opened, the temperature in the vacuum thermoelectric tube rises, and air will enter. Using the principle of hot air rising, air circulation is performed, the temperature in the vacuum thermoelectric tube is reduced, and the safety of the device is improved.

Description

A Photovoltaic Photothermal Integrated Device

technical field

The utility model relates to the field of photovoltaic photothermal technology, in particular to a photovoltaic photothermal integrated device.

Background technique

The photovoltaic photothermal device converts solar energy into thermal energy through a specific concentrating device, thereby heating the medium (liquid or gas) in the receiver to a higher temperature, and then directly utilizing the heating medium, or driving other devices Generates energy in the form of electricity, heat, etc.

At present, most photovoltaic photothermal integrated products on the market paste water pipes on the back of photovoltaic modules. This technology is simple and easy to produce. The disadvantage is that the heat preservation effect is poor, and the heat collection area and heat dissipation area are the same. Although antifreeze and freon will not be damaged by freezing, they are easy to leak and pollute the environment; during installation, the distance between modules is relatively large, and the space utilization rate in the same area of installation area is low; The temperature of the battery sheet will rise, and there is a risk of explosion if it cannot dissipate heat.

Utility model content

In order to overcome the above-mentioned problems in the prior art, the utility model provides a photovoltaic photothermal integrated device.

The utility model discloses a photovoltaic photothermal integrated device, which comprises a vacuum thermoelectric tube, a water collecting pipe and a water distribution pipe. The inlet valve is installed on the water distribution pipe, and the outlet valve is installed on the water collection pipe. One end of the vacuum thermoelectric tube is connected to the water collection pipe, and the other end is connected to the transfer wire pipe. Wire barrel.

Adopt the tube body that runs through the top and bottom, the temperature inside the tube can be controlled within a reasonable range during normal operation. When the system fails, the water pump cannot pump water into it, and the temperature inside the vacuum thermoelectric tube is too high. If it falls off, the safety of the whole device cannot be guaranteed. At this time, the air is used to cool the whole device. The original water in the vacuum thermoelectric tube will automatically drop or evaporate at high temperature due to the effect of gravity. Outlet valve. At this time, there is no water in the inlet valve and outlet valve. The float valve is lowered and the air enters naturally. Using the principle that hot air will automatically rise, the temperature in the air-heated electric tube will continue to rise and naturally form a flow. Under the action of pressure Next, the outside air will enter the water distribution pipe from the inlet valve and enter the vacuum thermoelectric tube from the water distribution pipe to cool down the vacuum thermoelectric tube. The hot air will be discharged through the outlet valve, and the temperature will be reduced through repeated cycles to ensure the safe operation of the entire device.

On this basis, the upper and lower openings of the vacuum thermoelectric tube are respectively provided with inner wires. The vacuum thermoelectric tube includes an inner base tube and an outer tube. There is a vacuum layer between the inner base tube and the outer tube. type batteries.

The use of inner wires can reduce the distance between vacuum thermoelectric tubes, electricity can flow through the vacuum layer, and water can flow in the inner base tube to realize the integration of photovoltaics, light and heat. The traditional solar cells are flat, and the overall efficiency is low; to improve efficiency, it is necessary to Sun chasing allows sunlight to shine on the photovoltaic panels. The traditional sun chasing equipment has a complex structure and requires sophisticated equipment for control, which is expensive.

On this basis, the battery slices located below are connected in parallel with bypass diodes.

When the sun's altitude angle is low in winter, the lower cells are blocked, and the current generated by the upper part of the illuminated cells flows to the bottom of the blocked cells to generate hot spots, resulting in burnout and power loss. In actual use at present, the distance between the front and rear arrangements is usually increased, which will cause a waste of space. In order to improve space utilization, bypass diodes can be used to bypass the shaded cells, allowing the illuminated cells to continue to generate electricity, and the shaded cells temporarily stop working in winter. In this way, the utilization rate of the roof space can be improved, and the normal power generation of other solar cells can be guaranteed, and the power generation circuit will not be blocked due to the occlusion of the bottom cells. Furthermore, the distance between the front and rear rows of the photovoltaic system is denser, thereby improving the space utilization rate in spring, summer and autumn; the number of cells is adjusted according to the actual situation.

On this basis, the transfer wire tube is cylindrical, one end of the transfer wire tube is open, and the other end is provided with a water barrier. A thin outer wire engaged with the compression cap is arranged at the middle position outside the transfer wire tube, and a connection hole is provided on the side of the transfer wire tube close to the water retaining plate.

The transfer wire barrel plays the role of connecting the water distribution pipe and the transfer wire pipe. The transfer wire pipe passes through the transfer wire barrel, and the two ends of the transfer wire barrel are blocked by the deposit wire cap and the water retaining plate, and the sealing ring is used to prevent If water leaks, one end of the opening of the transfer wire tube is connected to the inner wire at the lower end of the vacuum thermoelectric tube to fix it.

On this basis, a water outlet hole is provided on the water distribution pipe, a water inlet hole is provided on the transfer wire barrel, the water outlet hole is connected to the water inlet hole, and the connection hole and the water inlet hole overlap.

The water flows through the water distribution pipe, flows into the adapter wire bucket from the water outlet hole on the water distribution pipe, flows into the connection hole of the adapter wire pipe through the water inlet hole, and then flows into the vacuum thermoelectric tube.

On this basis, both ends of the adapter wire barrel are provided with sealing rings.

Tighten the compression screw cap on the adapter wire tube, the compression screw cap and the water baffle press the seal ring, and the seal ring presses both ends of the adapter wire barrel at the same time, so as to realize the sealing of the adapter wire barrel.

On this basis, seal gaskets are set between adjacent water collection pipes, connected by screws, and a collection box is set outside the water collection pipes.

Reduce the installation gap between devices and improve the overall utilization rate.

On this basis, battery sheets are pasted on the outside of the concentrator box.

Make full use of the sunny side of the photovoltaic photothermal integrated device to improve the utilization rate of the device.

On this basis, one end of the water distribution pipe is set as an inner wire, and the other end is set as an outer wire.

When installing multiple photovoltaic light-thermal integrated devices of the present utility model, one end of the inner wire of the water distribution pipe is fixed to one end of the outer wire of the adjacent water distribution pipe, which facilitates the interconnection of multiple water distribution pipes and reduces the installation gap between adjacent devices. Improve the working efficiency of the device.

On this basis, silica gel is set on the inner wire of the vacuum thermoelectric tube.

Silicone acts as a seal and buffer when the vacuum thermoelectric tube is connected to other devices.

Compared with the prior art, the beneficial effects of the utility model are:

(1) In the photovoltaic photothermal integrated device of the present utility model, the water enters from the lower water distribution pipe and flows out from the upper water collection pipe through the vacuum thermoelectric tube connected up and down, changing the original water flow direction, installing an air inlet valve on the water distribution pipe, and the water collection pipe The air outlet valve is installed on the top of the vacuum thermoelectric tube. After the water and electricity are cut off for some reason, the water in the tube evaporates or leaks, the air intake valve and the air outlet valve float valve are opened, the temperature in the vacuum thermoelectric tube rises, and the air will enter. The principle of hot air rising is used for air circulation. , reduce the temperature inside the vacuum thermoelectric tube, and improve the safety of the device.

(2) In the photovoltaic photothermal integrated device of the present utility model, a bypass diode is connected in parallel on the bottom of the lower cell, and the component current flows through the bypass diode to ensure the normal operation of the component and protect the blocked cell from being Damage and hot spot effect ensure normal power generation of other cells with sunlight, and will not cause power generation circuit failure due to the occlusion of the bottom cells. utilization rate.

(3) In the photovoltaic photothermal integrated device of the present invention, sealing gaskets are arranged between adjacent water collection pipes and collection boxes, and are connected by bolts to reduce the installation gap between the devices and improve the overall utilization rate.

Description of drawings

Fig. 1 is a structural schematic diagram of a vacuum thermoelectric tube of the present invention;

Fig. 2 is the schematic diagram of enlarged structure at A place of the utility model;

Fig. 3 is a structural schematic diagram of the inner base pipe of the utility model;

Fig. 4 is a schematic diagram of the structure of the outer tube of the utility model;

Fig. 5 is a schematic diagram of the transfer wire tube and the structure of the utility model;

Fig. 6 is a schematic diagram of the installation structure of the utility model adapter wire tube and vacuum thermoelectric tube;

Figure 7 is a schematic diagram of the installation structure of the utility model adapter wire tube and adapter wire barrel

Fig. 8 is a structural schematic diagram of the water collecting pipe of the present utility model;

Fig. 9 is a structural schematic diagram of a collection box and a water collecting pipe of the utility model;

Fig. 10 is a structural schematic diagram of a photovoltaic photothermal integrated device of the present invention.

In the figure: 1. Vacuum thermoelectric tube, 1-1, inner wire, 1-2, outer tube, 1-3 inner base tube, 2, water collection pipe, 3, water distribution pipe, 3-1, water outlet hole, 4, battery 5. Bypass diode, 6. Inlet valve, 7. Outlet valve, 8. Adapter barrel, 8-1, Water inlet, 9. Adapter tube, 9-1, Water retaining plate, 9 -2, connection hole, 10, collection box, 11, seal ring, 12, compress the silk cap.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The utility model discloses a photovoltaic photothermal integrated device, referring to Fig. 1, Fig. 3 and Fig. 4, comprising a vacuum thermoelectric tube 1, a water collecting pipe 2 and a water distribution pipe 3, the water distribution pipe 3 is arranged under the vacuum thermoelectric tube 1, The water collecting pipe 2 is arranged above the vacuum thermoelectric tube 1, and the vacuum thermoelectric tube 1 runs through from top to bottom. Referring to Fig. 5, Fig. 6, Fig. 7 and Fig. 10, an air inlet valve 6 is installed on the water distribution pipe 3, and an air outlet valve 7 is installed on the water collecting pipe 2 One end of the vacuum thermoelectric tube 1 is connected to the water collection pipe 2, and the other end is connected to the transfer wire tube 9. A plurality of transfer wire barrels 8 are arranged on the outer wall of the water distribution pipe 3, and the transfer wire tubes 9 pass through the transfer wire barrel 8.

Adopt the tube body that runs through from top to bottom, the temperature inside the tube can be controlled within a reasonable range during normal operation. When the system fails, water and power are cut off, the water pump cannot pump water in, and the temperature inside the vacuum thermoelectric tube 1 is too high, and dry burning will cause the cell 4 to burn. The connection welding wire falls off, and the safety of the whole device cannot be guaranteed. At this time, the air is used to cool the whole device. The original water in the vacuum thermoelectric tube 1 leaks down or evaporates at high temperature. The air inlet valve 6 is installed on the water distribution pipe 3. Install the air outlet valve 7 on the 2. At this time, because there is no water in the air inlet valve 6 and the air outlet valve 7, the float valve descends and conducts, and the air enters naturally. Using the principle that the hot air will automatically rise, the temperature in the air thermoelectric tube 1 will continue. The rise naturally forms a flow. Under the action of pressure, the outside air will enter the water distribution pipe 3 from the inlet valve 6 and enter the vacuum thermoelectric tube 1 from the water distribution pipe 3 to cool down the vacuum thermoelectric tube 1, and the hot air will be discharged through the outlet valve 7. The safe operation of the whole device is guaranteed by repeated cycle cooling.

Referring to Fig. 1, as a preferred embodiment of the present utility model, in this embodiment, the upper and lower openings of the vacuum thermoelectric tube 1 are respectively provided with inner wires 1-1, and the vacuum thermoelectric tube 1 includes an inner base tube 1-3 and an outer tube 1 -2. There is a vacuum layer between the inner base tube 1-3 and the outer tube 1-2, and the arc-shaped cells 4 in series are pasted on the outer wall of the inner base tube 1-3.

The use of inner wires can reduce the distance between vacuum thermoelectric tubes 1, electricity will flow through the vacuum layer, and water will flow inside the inner substrate tubes 1-3, realizing the integration of photovoltaics, light and heat. The traditional solar cells are 4 planes, and the overall efficiency is low. To improve efficiency, it is necessary to track the sun and let the sunlight shine on the photovoltaic panel. The structure of the traditional sun-tracking equipment is complex and requires precision equipment for control, which is expensive. arrive.

As a preferred implementation of the present utility model, in this embodiment, the battery slice 4 located below is connected in parallel with a bypass diode 5 .

Referring to Figure 2, the bypass diodes 4 are connected in parallel at the lower three solar cells 4, and the bypass diodes 5 can flow past the shaded solar cells, bypassing the shaded solar cells 4, allowing the illuminated solar cells to continue to generate electricity, and to block The battery slice stopped working. Improve the space utilization rate, ensure the normal power generation of other solar cells, and prevent the power generation circuit from being blocked due to the occlusion of the bottom cells. Furthermore, the spacing between the front and rear rows of the photovoltaic system is closer, thereby improving the space utilization rate in spring, summer and autumn.

Referring to Fig. 5 and Fig. 6, as a preferred embodiment of the present utility model, in this embodiment, the transfer wire tube 9 is cylindrical, one end of the transfer wire tube 9 is open, and the other end is provided with a water retaining plate 9-1, and The outer edge of one end of the opening of the wire connecting tube 9 is provided with a thick outer wire engaged with the inner wire at the lower end of the vacuum thermoelectric tube 1, and a thin outer wire engaged with the compression wire cap 12 is arranged at the middle position outside the transfer wire tube 9, and the transfer wire Pipe 9 offers connection hole 9-2 near water retaining plate 9-1 side.

The transfer wire barrel 8 plays the role of connecting the water distribution pipe 3 and the transfer wire pipe 9, the transfer wire pipe 9 passes through the transfer wire barrel 8, and blocks one end of the transfer wire barrel 8 by the water retaining plate 9-1, To prevent water leakage, one end of the opening of the transfer wire tube 9 is connected to the inner wire 1-1 at the lower end of the vacuum thermoelectric tube 1 and fixed.

Referring to Fig. 7, as a preferred embodiment of the present utility model, in this embodiment, the water distribution pipe 3 is provided with a water outlet hole 3-1, the adapter wire barrel 8 is provided with a water inlet hole 8-1, and the water outlet hole 3-1 is connected Water inlet 8-1, connecting hole 9-2 overlaps with water inlet 8-1.

The water flows through the water distribution pipe 3, flows into the adapter wire barrel 8 from the water outlet hole 3-1 on the water distribution pipe 3, flows into the connection hole 9-2 of the adapter wire pipe 9 through the water inlet hole 8-1, and then flows into the vacuum thermoelectric tube 1 .

Referring to FIG. 7 , as a preferred embodiment of the present invention, in this embodiment, both ends of the adapter wire barrel 8 are provided with sealing rings.

Tighten the compression cap 12 on the transfer wire tube 9, the compression cap 12 and the water retaining plate 9-1 press the sealing ring 11, and the sealing ring 11 simultaneously presses both ends of the transfer wire barrel 8, thereby realizing the transfer The sealing of silk bucket 8.

Referring to FIG. 8 , as a preferred embodiment of the present utility model, in this embodiment, a gasket is provided between adjacent water collecting pipes 2 , connected by screws, and a collecting box 10 is sleeved outside the water collecting pipes 2 .

Reduce the installation gap between devices and improve the overall utilization rate.

As a preferred embodiment of the present invention, in this embodiment, the battery sheet 4 is pasted on the outside of the collector box 10 .

Make full use of the sunny side of the photovoltaic photothermal integrated device to improve the utilization rate of the device.

Referring to FIG. 9 , as a preferred embodiment of the present utility model, in this embodiment, one end of the water distribution pipe 3 is set as an inner thread, and the other end is set as an outer thread.

When installing a plurality of photovoltaic photothermal integrated devices of the present utility model, one end of the inner wire of the water distribution pipe 3 is fixed to one end of the outer wire of the adjacent water distribution pipe 3, which is convenient for connecting multiple water distribution pipes 3 to each other, and reduces the installation time between adjacent devices. gap, improve the working efficiency of the device.

Referring to FIG. 1 , as a preferred embodiment of the present invention, in this embodiment, the inner wire of the vacuum thermoelectric tube 1 is provided with silica gel.

The silica gel plays the role of sealing and buffering when the vacuum thermoelectric tube 1 is connected with other devices.

In the description of the present utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inner", "front", "central", "both ends" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description , rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In this utility model, unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection", "fixation", "screw connection", "layout" and other terms should be understood in a broad sense, for example, It can be a fixed connection, or a detachable connection, or integrated; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediary; The interaction relationship of each element, unless otherwise clearly defined, for those of ordinary skill in the art, can understand the specific meaning of the above terms in the utility model according to the specific situation.

The above description shows and describes the preferred embodiments of the present utility model. As mentioned above, it should be understood that the present utility model is not limited to the forms disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various Various other combinations, modifications and environments can be made within the scope of the utility model concept described herein, through the above teachings or the technology or knowledge in the related field. However, changes and changes made by those skilled in the art do not depart from the spirit and scope of the utility model, and should all be within the protection scope of the appended claims of the utility model.

Claims (10)

1. A photovoltaic-photothermal integrated device, characterized in that: comprise a vacuum thermoelectric tube (1), a water collection pipe (2) and a water distribution pipe (3), and the water distribution pipe (3) is arranged on the vacuum thermoelectric tube ( 1), the water collection pipe (2) is arranged above the vacuum thermoelectric tube (1), the vacuum thermoelectric tube (1) runs through up and down, and an air inlet valve (6) is installed on the water distribution pipe (3) ), the outlet valve (7) is installed on the water collection pipe (2), one end of the vacuum thermoelectric tube (1) is connected to the water collection pipe (2), and the other end is connected to the transfer wire pipe (9), the water distribution pipe (3) Multiple adapter wire barrels (8) are arranged on the outer wall, and the adapter wire tubes (9) pass through the adapter wire barrels (8). 2. The photovoltaic photothermal integrated device according to claim 1, characterized in that: the upper and lower openings of the vacuum thermoelectric tube (1) are respectively provided with inner wires (1-1), and the vacuum thermoelectric tube (1) Including an inner base pipe (1-3) and an outer pipe (1-2), a vacuum layer is formed between the inner base pipe (1-3) and the outer pipe (1-2), and the inner base pipe (1-3) Paste the series cells (4) on the outer wall of the battery. 3. The photovoltaic photothermal integrated device according to claim 2, characterized in that: the battery slices (4) located below are connected in parallel with bypass diodes (5). 4. The photovoltaic photothermal integrated device according to claim 1, characterized in that: the transfer wire tube (9) is cylindrical, one end of the transfer wire tube (9) is open, and the other end is provided with a water retaining plate (9-1), the outer edge of the opening end of the transfer wire tube (9) is provided with a thick outer wire engaged with the inner wire at the lower end of the vacuum thermoelectric tube (1), and the transfer wire tube (9) ) is provided with a thin outer wire engaged with the compression wire cap (12) at the middle position on the outer side, and the connecting hole (9-2) is provided on the side of the transfer wire tube (9) near the water retaining plate (9-1). 5. The photovoltaic photothermal integrated device according to claim 4, characterized in that: the water distribution pipe (3) is provided with a water outlet hole (3-1), and the transfer wire barrel (8) is provided with a water inlet hole (8-1), the water outlet hole (3-1) is connected to the water inlet hole (8-1), and the connection hole (9-2) coincides with the water inlet hole (8-1). 6. The photovoltaic-photothermal integrated device according to claim 5, characterized in that: both ends of the adapter wire barrel (8) are provided with sealing rings (11). 7. The photovoltaic photothermal integrated device according to claim 1, characterized in that: a sealing gasket is provided between the adjacent water collection pipes (2), connected by screws, and the outer side of the water collection pipe (2) is sleeved to collect boxes (10). 8. The photovoltaic-photothermal integrated device according to claim 7, characterized in that battery sheets (4) are pasted on the outside of the collecting box (10). 9. The photovoltaic photothermal integrated device according to claim 1, characterized in that: one end of the water distribution pipe (3) is set as an inner wire (1-1), and the other end is set as an outer wire. 10. The photovoltaic photothermal integrated device according to claim 2, characterized in that: the inner wire (1-1) of the vacuum thermoelectric tube (1) is provided with silica gel.

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