Solar photovoltaic panel cooling device

Abstract

The utility model relates to the technical field of photovoltaic panels, in particular to a solar photovoltaic panel cooling device, which comprises a photovoltaic panel body, a water storage tank arranged at the bottom of the photovoltaic panel body, an opening at the top of the water storage tank, a water pump arranged in the water storage tank, a mounting frame arranged on the photovoltaic panel body, and a drain pipe arranged in the mounting frame. The side, facing the photovoltaic panel body, of the drainage pipe is provided with multiple sets of sprayers at intervals in the length direction, one end of the drainage pipe communicates with one end of a hose, the other end of the hose communicates with a water outlet of a water pump in the water storage tank, and the two sides of the photovoltaic panel body are each provided with a set of flow guide grooves. Through the water storage tank and the diversion trench in the side surface of the photovoltaic panel body, water flowing towards the outer side of the photovoltaic panel body can be collected through the diversion trench when the nozzles spray water for cooling, and finally flows into the water storage tank through the opening in the top of the water storage tank, so that water waste is effectively avoided.

Description

Technical Field

[0001] The present application relates to the technical field of photovoltaic panels, and in particular to a solar photovoltaic panel cooling device. Background Art

[0002] Photovoltaic power generation is a technology that converts light energy directly into electrical energy. It is widely used in solar power generation. Photovoltaic modules emit heat after long-term operation. If they are not cooled in time, their normal operation may be affected. Therefore, cooling devices are usually required to cool the photovoltaic panels.

[0003] A Chinese utility model patent with publication number CN217363022U discloses a photovoltaic panel cooling device, including a water tank and a water inlet pump, the water tank is installed on the top of the photovoltaic panel, a water inlet is provided on one side of the water tank, the water inlet is connected to the water inlet pump through a pipeline, the water inlet pump delivers cooling water to the water tank, a water outlet is provided on the side of the bottom of the water tank, the photovoltaic panel is tilted, and the length of the water outlet is equal to the length of the upper edge of the photovoltaic panel. The photovoltaic panel cooling device described in the utility model can cool down the overheated photovoltaic panel to keep the photovoltaic panel at a high power generation efficiency.

[0004] The device is provided with a water tank, one side of the water tank is provided with a water inlet, and the side of the bottom of the water tank is provided with a water outlet. The rising water inlet pump conveys cooling water into the water tank, and then flows to the photovoltaic panel through the water outlet in the water tank. The cooling water cools the photovoltaic panel while flowing along the photovoltaic panel. However, in the process of the cooling water flowing down along the photovoltaic panel, the cooling water is easy to overflow from the photovoltaic panel from the left and right sides of the photovoltaic panel. The overflowed part of the water cannot be effectively recovered and stored, resulting in a waste of cooling water and affecting the cooling effect. Utility Model Content

[0005] In view of the problem of water waste during cooling operation in the prior art, the utility model provides a solar photovoltaic panel cooling device.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] The utility model provides a solar photovoltaic panel cooling device, comprising

[0008] The photovoltaic panel body has a water storage tank at the bottom of the photovoltaic panel body, the top of the water storage tank is open, a water pump is arranged in the water storage tank, a mounting frame is arranged on the photovoltaic panel body, a drainage pipe is arranged in the mounting frame, a plurality of groups of nozzles are arranged at intervals along the length direction of the drainage pipe facing the photovoltaic panel body, one end of the drainage pipe is connected with one end of the hose, and the other end of the hose is connected with the water outlet of the water pump in the water storage tank, and a group of guide grooves are respectively arranged on both sides of the photovoltaic panel body;

[0009] It also includes a driving mechanism, which is arranged on the photovoltaic panel body.

[0010] Preferably, the driving mechanism includes a slider, a motor and a screw, a group of slide grooves are respectively provided at the top and bottom of the photovoltaic panel body, a slider matched with the slide groove is fixedly provided on the mounting frame, and a mounting cavity is also provided at the top of the photovoltaic panel body, the motor is fixedly arranged in the mounting cavity, the screw is located in the slide groove at the top of the photovoltaic panel body and is rotatably connected to the photovoltaic panel body, the output shaft of the motor is connected and fixed to one end of the screw, and the slider at the top of the photovoltaic panel body is provided with a threaded hole matched with the screw. The staff starts the motor, so that the motor drives the screw to rotate, and then drives the slider and the mounting frame to slide. The operation is convenient, and the mounting frame can be limited at multiple points through the two groups of slide grooves to ensure the stability of the sliding process of the mounting frame.

[0011] Preferably, a filter is provided at the top opening of the water tank. By providing the filter, when the nozzle sprays water to cool the photovoltaic panel body, impurities on the photovoltaic panel body carried in the water flow are isolated by the filter to prevent impurities from entering the water tank.

[0012] Preferably, a scraper is slidably provided on the top of the water tank, the bottom of the scraper is in contact with the filter, a plug rod is fixedly provided at one end of the scraper, and a socket for matching the plug rod is provided on the mounting frame. By arranging the scraper and the plug rod, the scraper is driven by the plug rod to reciprocate along the surface of the filter when the mounting frame moves, thereby scraping off impurities on the filter, and the operation is convenient.

[0013] Preferably, a cleaning brush is provided at the bottom of the scraper, and the cleaning effect of the filter screen is improved by providing the cleaning brush.

[0014] Preferably, the filter is movably connected to the water tank so that a worker can disassemble the filter, thereby facilitating maintenance of components in the water tank.

[0015] Preferably, an infrared temperature sensor is provided on the mounting frame, and a worker can check the temperature of the photovoltaic panel body through the infrared temperature sensor.

[0016] The advantages of adopting the above technical solution are:

[0017] The utility model is provided with a photovoltaic panel body, a water storage tank is provided at the bottom of the photovoltaic panel body, the top of the water storage tank is opened, a water pump is provided in the water storage tank, a mounting frame is provided on the photovoltaic panel body, a drain pipe is provided in the mounting frame, a plurality of groups of nozzles are arranged at intervals along the length direction of the drain pipe on one side facing the photovoltaic panel body, one end of the drain pipe is connected with one end of a hose, and the other end of the hose is connected with a water outlet of the water pump in the water storage tank, a group of guide grooves are respectively provided on both sides of the photovoltaic panel body, and a driving mechanism is provided on the photovoltaic panel body. In this device, the water storage tank and the guide grooves on the sides of the photovoltaic panel body are provided so that when the nozzle sprays water for cooling, the water flowing to the outside of the photovoltaic panel body can be collected through the guide grooves, and finally flows into the water storage tank through the opening at the top of the water storage tank, thereby effectively avoiding water waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 The structure diagram of the utility model is shown;

[0020] Figure 2 A partial cross-sectional view of the utility model is shown;

[0021] Figure 3 A partial cross-sectional view of the utility model is shown;

[0022] Figure 4 A partial structural schematic diagram of the utility model is shown.

[0023] Among them: photovoltaic panel body 1, guide groove 101, slide 102, water storage tank 2, filter screen 201, scraper 202, plug rod 203, mounting frame 3, slider 301, hose 4, drain pipe 5, nozzle 501, motor 6, screw 601. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0025] like Figure 1-4 As shown, the embodiment of the utility model discloses a solar photovoltaic panel cooling device, including a photovoltaic panel body 1 and a driving mechanism

[0026] A photovoltaic panel body 1, a water tank 2 is arranged at the bottom of the photovoltaic panel body 1, the top of the water tank 2 is open, a water pump is arranged in the water tank 2, a mounting frame 3 is arranged on the photovoltaic panel body 1, a drain pipe 5 is arranged in the mounting frame 3, a plurality of groups of nozzles 501 are arranged at intervals along the length direction of the drain pipe 5 on one side facing the photovoltaic panel body 1, one end of the drain pipe 5 is connected with one end of the hose 4, and the other end of the hose 4 is connected with the water outlet of the water pump in the water tank 2, a group of guide grooves 101 are respectively arranged on both sides of the photovoltaic panel body 1, and the driving mechanism is arranged on the photovoltaic panel body 1.

[0027] In at least one embodiment, the driving mechanism includes a slider 301, a motor 6 and a screw 601. A group of slide grooves 102 are respectively provided at the top and bottom of the photovoltaic panel body 1. A slider 301 matched with the slide groove 102 is fixedly provided on the mounting frame 3. A mounting cavity is also provided at the top of the photovoltaic panel body 1. The motor 6 is fixedly arranged in the mounting cavity. The screw 601 is located in the slide groove 102 at the top of the photovoltaic panel body 1 and is rotatably connected to the photovoltaic panel body 1. The output shaft of the motor 6 is connected and fixed to one end of the screw 601. The slider 301 at the top of the photovoltaic panel body 1 is provided with a threaded hole matched with the screw 601. The staff starts the motor 6, so that the motor 6 drives the screw 601 to rotate, and then drives the slider 301 and the mounting frame 3 to slide. The operation is convenient, and the mounting frame 3 can be limited at multiple points through the two groups of slide grooves 102 to ensure the stability of the sliding process of the mounting frame 3.

[0028] In at least one embodiment, a filter 201 is provided at the top opening of the water tank 2. By providing the filter 201, when the nozzle 501 sprays water to cool the photovoltaic panel body 1, impurities on the photovoltaic panel body 1 carried in the water flow are isolated by the filter 201 to prevent the impurities from entering the water tank 2.

[0029] In at least one embodiment, a scraper 202 is slidably provided on the top of the water tank 2, the bottom of the scraper 202 is in contact with the filter 201, an insertion rod 203 is fixedly provided at one end of the scraper 202, and a socket for matching the insertion rod 203 is provided on the mounting frame 3. By arranging the scraper 202 and the insertion rod 203, when the mounting frame 3 moves, the scraper 202 is driven by the insertion rod 203 to reciprocate along the surface of the filter 201, thereby scraping off impurities on the filter 201, and the operation is convenient.

[0030] In at least one embodiment, a cleaning brush is disposed at the bottom of the scraper 202 to improve the cleaning effect of the filter screen 201 .

[0031] In at least one embodiment, the filter screen 201 is movably connected to the water tank 2 , so that a worker can disassemble the filter screen 201 , thereby facilitating maintenance of components in the water tank 2 .

[0032] In at least one embodiment, an infrared temperature sensor is provided on the mounting frame 3 , and a worker can check the temperature of the photovoltaic panel body 1 through the infrared temperature sensor.

[0033] When cooling the photovoltaic panel body 1, the staff moves the mounting frame 3 through the driving mechanism on the photovoltaic panel body 1 to make it reciprocate along the surface of the photovoltaic panel body 1, and then starts the water pump in the water tank 2, so that the water pump transports the water in the water tank 2 to the drain pipe 5 on the mounting frame 3 through the water outlet and the hose 4, and then sprays it on the surface of the photovoltaic panel body 1 through the nozzle 501 on the drain pipe 5, so as to achieve cooling of the photovoltaic panel body 1, and the operation is convenient. When the mounting frame 3 drives the nozzle 501 on the drain pipe 5 to spray the photovoltaic panel back and forth, the water sprayed on the photovoltaic panel body 1 flows down along the photovoltaic panel, and the water flowing to the outside of the photovoltaic panel can be collected and diverted by the guide groove 101 set on both sides of the photovoltaic panel body 1, so as to avoid water waste. Finally, the water on the photovoltaic panel and the water in the guide groove 101 flow down and flow into the water tank 2 through the opening at the top of the water tank 2, so as to achieve efficient water recovery, and the operation is convenient.

Claims

1. A solar photovoltaic panel cooling device, characterized in that: include The photovoltaic panel body has a water storage tank at the bottom of the photovoltaic panel body, the top of the water storage tank is open, a water pump is arranged in the water storage tank, a mounting frame is arranged on the photovoltaic panel body, a drainage pipe is arranged in the mounting frame, a plurality of groups of nozzles are arranged at intervals along the length direction of the drainage pipe facing the photovoltaic panel body, one end of the drainage pipe is connected with one end of the hose, and the other end of the hose is connected with the water outlet of the water pump in the water storage tank, and a group of guide grooves are respectively arranged on both sides of the photovoltaic panel body; It also includes a driving mechanism, which is arranged on the photovoltaic panel body.

2. A solar photovoltaic panel cooling device according to claim 1, characterized in that: The driving mechanism includes a slider, a motor and a screw. A group of slide grooves are respectively provided at the top and bottom of the photovoltaic panel body. A slider matched with the slide groove is fixedly arranged on the mounting frame. A mounting cavity is also provided at the top of the photovoltaic panel body. The motor is fixed in the mounting cavity. The screw is located in the slide groove at the top of the photovoltaic panel body and is rotatably connected to the photovoltaic panel body. The output shaft of the motor is connected and fixed to one end of the screw. The slider at the top of the photovoltaic panel body is provided with a threaded hole matched with the screw.

3. A solar photovoltaic panel cooling device according to claim 1, characterized in that: A filter screen is arranged at the top opening of the water storage tank.

4. A solar photovoltaic panel cooling device according to claim 3, characterized in that: A scraper is slidably arranged on the top of the water storage tank, the bottom of the scraper abuts against the filter screen, an insertion rod is fixedly arranged at one end of the scraper, and a socket matched with the insertion rod is arranged on the mounting frame.

5. A solar photovoltaic panel cooling device according to claim 4, characterized in that: A cleaning brush is arranged at the bottom of the scraper.

6. A solar photovoltaic panel cooling device according to claim 3, characterized in that: The filter screen is movably connected to the water storage tank.

7. A solar photovoltaic panel cooling device according to claim 1, characterized in that: An infrared temperature measuring sensor is arranged on the mounting frame.

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