LU504916B1

LU504916B1 - Snow removal device for photovoltaic panel

Info

Publication number: LU504916B1
Application number: LU504916A
Authority: LU
Inventors: Tao Ren; Tongzhong Du; Haoxuan Wang; Meng Miao; Tao Liu; Mengqi Sui; Yuzhang Dai; Songtao Yu; Jiandong Guo
Original assignee: Huaneng Power Int Inc Dandong Power Plant
Priority date: 2023-07-04
Filing date: 2023-08-14
Publication date: 2024-02-15
Also published as: CN116846329A

Abstract

The present disclosure relates to the technical field of photovoltaic panels, and in particular, to a snow removal device for a photovoltaic panel. The snow removal device for a photovoltaic panel includes a mounting frame. A panel body is provided in the mounting frame. A snow removal component for cleaning snow accumulated on the surface of the photovoltaic panel is provided in the mounting frame. The snow removal component includes a fixing frame arranged at one end of the mounting frame. Two sides of the mounting frame are each provided with a positioning block. A receiving slot is provided in the fixing frame. An outer wall of the fixing frame is provided with a motor, and an output end of the motor is provided with a lead screw. An inner wall of the receiving slot is provided with a slide rod. Outer walls of the lead screw and the slide rod are each provided with a slider. Inner walls of the two sliders are provided with a scraper. An inner wall of the mounting frame is provided with a dividing groove and a water guide groove. A temperature conduction frame is provided in the dividing groove. An inner wall of the temperature conduction frame is provided with an electric heating net. In the present disclosure, the snow covering the photovoltaic panel is cleaned by scraping and heating, and the cleanliness of the surface of the photovoltaic panel is increased, thereby ensuring the efficiency of the photovoltaic panel.

Description

SNOW REMOVAL DEVICE FOR PHOTOVOLTAIC PANEL

FIELD

[0001] The present disclosure relates to the technical field of photovoltaic panels, and in particular, to a snow removal device for a photovoltaic panel.

BACKGROUND

[0002] Photovoltaic power station refers to a photovoltaic power generation system connected to the power grid and supply power to the power grid, which is a green energy project encouraged in China. It can be classified into grid-connected power generation systems with battery and grid-connected power generation systems without battery. Solar power generation is classified into photo-thermal power generation and photovoltaic power generation. The commonly said solar power generation refers to solar photovoltaic power generation.

[0003] The vehicle-mounted snow removal device described for photovoltaic panel in the prior art pertains to the technical field of snow removal devices, and includes a vehicle body moving along an arrangement direction of photovoltaic panel groups. The vehicle body is provided with an extendable arm that is rotatable up and down. A rotation axis of the extendable arm is parallel to the forward direction of the vehicle body. A drive mechanism for adjusting a rotation angle of the extendable arm is provided in a rotation path of the extendable arm. The drive mechanism is connected with the extendable arm. The rotation radius of the extendable arm is no less than the distance from the rotation axis to an upper edge of the photovoltaic panel. A vibration snow removal mechanism is provided at an end, away from the rotation axis, of the extendable arm. The vibration snow removal mechanism is in contact with a non-working surface of the inclined photovoltaic panel.

[0004] In the current prior art, photovoltaic power stations have been constructed in many places in the northwest of China. However, due to the severe environment in the northwest, especially in winter, there is a lot of snow, and after the snow, there will be a snow layer accumulated on the surface of the photovoltaic panel, which shields the photovoltaic panel and reduces the efficiency of the photovoltaic panel.

SUMMARY

[0005] It is an object of the present disclosure to provide a snow removal device for a photovoltaic panel to solve the problems raised in the above-described background art.

[0006] To achieve the above object, the following technical solutions are provided according to the present disclosure.

[0007] A snow removal device for a photovoltaic panel includes a mounting frame. A panel body is provided in the mounting frame. À snow removal component for cleaning snow accumulated on the surface of the photovoltaic panel is provided in the mounting frame. The snow removal component includes a fixing frame arranged at one end of the mounting frame.

Two sides of the mounting frame are each provided with a positioning block. A receiving slot is provided in the fixing frame. An outer wall of the fixing frame is provided with a motor, and an output end of the motor is provided with a lead screw. An inner wall of the receiving slot is provided with a slide rod. Outer walls of the lead screw and the slide rod are each provided with a slider. Inner walls of the two sliders are provided with a scraper. An inner wall of the mounting frame is provided with a dividing groove and a water guide groove. A temperature conduction frame is provided in the dividing groove. An inner wall of the temperature conduction frame is provided with an electric heating net.

[0008] As a preferred solution of the present disclosure, the fixing frame is connected to an outer wall of the mounting frame by bolts, and the two positioning blocks are connected to the outer wall of the mounting frame by bolts. The receiving slot inside the fixing frame is a through and open structure, which directly opens to the bottom of the fixing frame.

[0009] As a preferred solution of the present disclosure, the motor is connected to the outer wall of the fixing frame by bolts, the output end of the motor is connected to the lead screw via a coupling, the other end of the lead screw extends through the fixing frame to connect with one of the positioning blocks via a bearing, and two ends of the slide rod are connected to the inner wall of the receiving slot and the other positioning block by bolts.

[0010] As a preferred solution of the present disclosure, each of the lead screw and the slide rod extends through the corresponding slider and is in contact with an inner wall of the corresponding slider, an outer wall of the slider is in sliding contact with the inner wall of the receiving slot, and the slider is of a square plate structure.

[0011] As a preferred solution of the present disclosure, the scraper is of a triangular structure, two ends of the scraper are connected to the sliders by bolts, the scraper is in contact with the inner wall of the receiving slot, a pointed end of the scraper faces towards the mounting frame, and the scraper is in sliding contact with an outer wall of the panel body.

[0012] As a preferred solution of the present disclosure, the temperature conduction frame 1s inlaid into and connected with an inner wall of the dividing groove, the temperature conduction frame is aligned with the panel body after being installed to the dividing groove, and the electric heating net is connected with the interior of the temperature conduction frame by bolts.

[0013] Compared with the prior art, the beneficial effects of the present disclosure are as follows: With respect to the problems raised in the background art, the present disclosure adopts a snow removal component. The snow covering the surface of the photovoltaic panel can be scraped off by moving the scraper back and forth on the photovoltaic panel, to clean the surface of the photovoltaic panel. The residual snow melts into water under the heat of the electric heating net and flows to the water guide groove to be discharged from the mounting frame, thereby cleaning the residual snow and increasing the cleaning effect. In the present disclosure, the snow covering the photovoltaic panel is cleaned by scraping and heating, and the cleanliness of the surface of the photovoltaic panel is increased, thereby ensuring the efficiency of the photovoltaic panel.

BRIEF DESCRIPTION OF THE DRAWINGS

[0014] FIG. 1 is a perspective view of the overall structure of the present disclosure;

[0015] FIG. 2 is a structural view of a scraper of the present disclosure;

[0016] FIG. 3 is an enlarged view of portion A of the present disclosure;

[0017] FIG. 4 is a structural view of a temperature conduction frame of the present disclosure; and

[0018] FIG. 5 is a cross-sectional view of the temperature conduction frame of the present disclosure.

[0019] In the drawings: 1 mounting frame; 101 dividing groove; 102 water guide groove; 2 panel body; 3 fixing frame; 301 receiving slot, 302 positioning block; 4 motor, 401 lead screw; 402 slide rod; 5 slider, 501 scraper; 6 temperature conduction frame; 601 electric heating net.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The technical solutions of the embodiments of the present disclosure are described clearly and completely below in conjunction with the embodiments of the present disclosure.

[0021] Embodiment:

[0022] With reference to FIGS. 1 to 5, the present disclosure provides the following technical solution. A snow removal device for a photovoltaic panel includes a mounting frame 1. A panel body 2 is provided in the mounting frame 1. A snow removal component for cleaning snow accumulated on the surface of the photovoltaic panel is provided in the mounting frame 1. The snow removal component includes a fixing frame 3 arranged at one end of the mounting frame 1. Two sides of the mounting frame 1 are each provided with a positioning block 302 for positioning a lead screw 401 and a slide rod 402 described below. A receiving slot 301 for receiving sliders 5 and a scraper 501 described below is provided in the fixing frame 3. An outer wall of the fixing frame 3 is provided with a motor 4 for driving the lead screw 401 to rotate, and an output end of the motor 4 is provided with the lead screw 401.

The pattern of an outer wall of the lead screw 401 matches that of an inner wall of the corresponding slider 5, so that the lead screw 401 can drive the corresponding slider 5 to translate while it rotates. An inner wall of the receiving slot 301 is provided with the slide rod 402 for positioning the slider 5 and the scraper 501 while they move. Outer walls of the lead screw 401 and the slide rod 402 are each provided with the slider 5. Inner walls of the two sliders 5 are provided with the scraper 501 configured to slide along the surface of the photovoltaic panel to scrape the snow covering the surface thereof off the photovoltaic panel.

When the scraper 501 reversely moves towards the fixing frame 3, it can also scrape the snow into the receiving slot 301, allowing the snow to fall below through the receiving slot 301. An inner wall of the mounting frame 1 is provided with a dividing groove 101 and a water guide groove 102. The dividing groove 101 is configured to divide the photovoltaic panel and to position and install a temperature conduction frame 6 described below. The water guide groove 102 is configured to guide the melted snow water to discharge. The temperature conduction frame 6 for conducting the heat of an electric heating net 601 described below 1s provided in the dividing groove 101. An inner wall of the temperature conduction frame 6 is provided with the electric heating net 601 for generating heat to melt snow. 5 10023] In the current prior art, photovoltaic power stations have been constructed in many places in the northwest of China. However, due to the severe environment in the northwest, especially in winter, there is a lot of snow, and after the snow, there will be a snow layer accumulated on the surface of the photovoltaic panel, which shields the photovoltaic panel and reduces the efficiency of the photovoltaic panel.

[0024] In this embodiment, all electrical components are controlled by a conventional controller.

[0025] With reference to FIGS. 1-5, the fixing frame 3 is connected to an outer wall of the mounting frame 1 by bolts, and the two positioning blocks 302 are connected to the outer wall of the mounting frame 1 by bolts. The receiving slot 301 inside the fixing frame 3 is a through and open structure, which directly opens to the bottom of the fixing frame 3. The motor 4 is connected to the outer wall of the fixing frame 3 by bolts, the output end of the motor 4 is connected to the lead screw 401 via a coupling, the other end of the lead screw 401 extends through the fixing frame 3 to connect with one of the positioning blocks 302 via a bearing, and two ends of the slide rod 402 are connected to the inner wall of the receiving slot 301 and the other positioning block 302 by bolts. Each of the lead screw 401 and the slide rod 402 extends through the corresponding slider 5 and is in contact with an inner wall of the corresponding slider 5, an outer wall of the slider 5 is in sliding contact with the inner wall of the receiving slot 301, and the slider 5 is of a square plate structure. The scraper 501 is of a triangular structure, two ends of the scraper 501 are connected to the sliders 5 by bolts, the scraper 501 is in contact with the inner wall of the receiving slot 301, a pointed end of the scraper 501 faces towards the mounting frame 1, and the scraper 501 is in sliding contact with an outer wall of the panel body 2. The temperature conduction frame 6 is inlaid into and connected with an inner wall of the dividing groove 101, the temperature conduction frame 6 is aligned with the panel body 2 after being installed to the dividing groove 101, and the electric heating net 601 is connected with the interior of the temperature conduction frame 6 by bolts. When in use, the motor 4 is firstly controlled to drive the lead screw 401 to rotate and cooperate with the slide rod 402 to cause the sliders 5 to translate, and drive the scraper 501 to synchronously move out of the receiving slot 301 and reciprocate on the photovoltaic panel, so as to scrape the snow covering the photovoltaic panel off the mounting frame 1. The electric heating net 601 is controlled to operate to generate heat after part of the snow is scraped off by the scraper 501, and the heat is conducted to the residual snow through the temperature conduction frame 6 so that the snow is melted into water and discharged through the water guide groove 102. In the present disclosure, the snow covering the photovoltaic panel is cleaned by scraping and heating, and the cleanliness of the surface of the photovoltaic panel is increased, thereby ensuring the efficiency of the photovoltaic panel.

[0026] The workflow of the present disclosure is as follows. When in use, the motor 4 is firstly controlled to drive the lead screw 401 to rotate and cooperate with the slide rod 402 to cause the sliders 5 to translate, and drive the scraper 501 to synchronously move out of the receiving slot 301 and reciprocate on the photovoltaic panel, so as to scrape the snow covering the photovoltaic panel off the mounting frame 1. The electric heating net 601 is controlled to operate to generate heat after part of the snow is scraped off by the scraper 501, and the heat is conducted to the residual snow through the temperature conduction frame 6 so that the snow is melted into water and discharged through the water guide groove 102. In the present disclosure, the snow covering the photovoltaic panel is cleaned by scraping and heating, and the cleanliness of the surface of the photovoltaic panel is increased, thereby ensuring the efficiency of the photovoltaic panel.

[0027] Although the embodiments of the present disclosure have been shown and described, it should be understood that various changes, modifications, substitutions and alterations may be made to these embodiments by those skilled in the art without departing from the principle and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims and their equivalents.

Claims

1. A snow removal device for a photovoltaic panel, comprising a mounting frame (1), a panel body (2) being provided in the mounting frame (1), and a snow removal component for cleaning snow accumulated on a surface of the photovoltaic panel being provided in the mounting frame (1), characterized in that the snow removal component comprises a fixing frame (3) arranged at one end of the mounting frame (1); two sides of the mounting frame (1) are each provided with a positioning block (302); a receiving slot (301) is provided in the fixing frame (3); an outer wall of the fixing frame (3) is provided with a motor (4), and an output end of the motor (4) is provided with a lead screw (401); an inner wall of the receiving slot (301) is provided with a slide rod (402); outer walls of the lead screw (401) and the slide rod (402) are each provided with a slider (5); inner walls of the two sliders (5) are provided with a scraper (501); an inner wall of the mounting frame (1) is provided with a dividing groove (101) and a water guide groove (102); a temperature conduction frame (6) is provided in the dividing groove (101); and an inner wall of the temperature conduction frame (6) is provided with an electric heating net (601).

2. The snow removal device for a photovoltaic panel according to claim 1, wherein the fixing frame (3) is connected to an outer wall of the mounting frame (1) by bolts, and the two positioning blocks (302) are connected to the outer wall of the mounting frame (1) by bolts, wherein the receiving slot (301) inside the fixing frame (3) is a through and open structure, which directly opens to the bottom of the fixing frame (3).

3. The snow removal device for a photovoltaic panel according to claim 1, wherein the motor (4) is connected to the outer wall of the fixing frame (3) by bolts, the output end of the motor (4) is connected to the lead screw (401) via a coupling, the other end of the lead screw (401) is extended through the fixing frame (3) to connect with one of the positioning blocks (302) via a bearing, and two ends of the slide rod (402) are connected to the inner wall of the receiving slot (301) and the other positioning block (302) by bolts.

4. The snow removal device for a photovoltaic panel according to claim 1, wherein each of the lead screw (401) and the slide rod (402) is extended through the corresponding slider (5) and is in contact with an inner wall of the corresponding slider (5), an outer wall of the slider (5) is in sliding contact with the inner wall of the receiving slot (301), and the slider (5) is of a square plate structure.

5. The snow removal device for a photovoltaic panel according to claim 1, wherein the scraper (501) is of a triangular structure, two ends of the scraper (501) are connected to the sliders (5) by bolts, the scraper (501) is in contact with the inner wall of the receiving slot (301), a pointed end of the scraper (501) faces towards the mounting frame (1), and the scraper (501) is in sliding contact with an outer wall of the panel body (2).

6. The snow removal device for a photovoltaic panel according to claim 1, wherein the temperature conduction frame (6) is inlaid into and connected with an inner wall of the dividing groove (101), the temperature conduction frame (6) is aligned with the panel body (2) after being installed to the dividing groove (101), and the electric heating net (601) is connected with the interior of the temperature conduction frame (6) by bolts.