CN219046484U

CN219046484U - A cooling dust removal snow removing device for photovoltaic module

Info

Publication number: CN219046484U
Application number: CN202222570028.1U
Authority: CN
Inventors: 郭正刚; 蒋河川; 庞晓攀; 高建辉; 刘彩凤
Original assignee: Huaneng Shaanxi Power Generation Co ltd; Huaneng Shanxi Jingbian Electric Power Co ltd; Lanzhou University; Huaneng Clean Energy Research Institute
Current assignee: Huaneng Shaanxi Power Generation Co ltd; Huaneng Shanxi Jingbian Electric Power Co ltd; Lanzhou University; Huaneng Clean Energy Research Institute
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-05-19
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to the technical field of photovoltaic power generation, and aims to provide a cooling, dedusting and snow removing device for a photovoltaic module, which can effectively solve the problem that the power generation efficiency is reduced due to overhigh temperature of a photovoltaic panel and accumulation of dust and snow on the photovoltaic panel at present.

Description

A cooling dust removal snow removing device for photovoltaic module

Technical Field

The utility model relates to the technical field of photovoltaic power generation, in particular to a cooling, dedusting and snow removing device for a photovoltaic module.

Background

Solar energy is inexhaustible clean energy, and solar photovoltaic power generation is safe and reliable and cannot be influenced by energy crisis and unstable factors of fuel markets. Solar photovoltaic power generation uses photovoltaic panels to absorb light energy and convert it into electrical energy, the photovoltaic panel's photoelectric conversion efficiency being related to the solar radiation actually received by the photovoltaic panel. Because the photovoltaic board sets up in the open air generally, after using a period, the photovoltaic board will appear some problems, for example, high temperature, the dust of depositing on the solar photovoltaic board and snowfall pile up on the photovoltaic panel when snowing, and the high temperature can lead to generating current to drop sharply, and dust and snow then can hinder the sunshine to penetrate directly, all can reduce solar photovoltaic board's generating efficiency. Therefore, we propose a cooling, dedusting and snow removing photovoltaic module for improving the annual power generation efficiency of a photovoltaic power station.

Disclosure of Invention

The utility model aims to provide a cooling, dedusting and snow removing device for a photovoltaic module, which is used for solving the problems in the background technology.

The technical scheme adopted by the utility model is as follows:

a cooling, dedusting and snow removing device for a photovoltaic module comprises a photovoltaic module 7, wherein the lower surface of the photovoltaic module 7 is fixedly arranged on a base 9 through a plurality of front upright posts 8 and rear upright posts 10, a sliding rail 6 is arranged at the upper end of the photovoltaic module 7 in a clamping manner, a mounting seat 1 is arranged on the sliding rail 6 in a sliding manner, a machine case 3 is fixedly arranged on the mounting seat 1, a spray opening 4 and an air outlet 5 are arranged at the front end of the machine case 3, and a water tank 13 is arranged at the tail end of the machine case 3 in a clamping manner.

The two side walls of the upper end of the photovoltaic module 7 are provided with sliding grooves 15 for installing the sliding rail 6.

The end covers 11 are fixedly mounted at the two ends of the sliding rail 6, the screw rod 12 is arranged in the sliding rail 6, the two ends of the screw rod 12 are mounted on the end covers 11 through bearings, the mounting seat 1 is connected to the screw rod 12 in a threaded mode, the penetrating type stepping motor matched with the screw rod 12 is arranged in the mounting seat 1, and the stepping motor drives the mounting seat 1 to reciprocate on the screw rod 12.

The sliding block 17 matched with the sliding groove 15 is fixedly arranged on the inner side wall of the bottom end of the sliding rail 6.

The case 3 comprises a shell, a fan, a control box and a water delivery pump, wherein the control box is connected with the stepping motor, the fan and the water delivery pump, the water delivery pump is respectively communicated with the water tank 13 and the spray opening 4 through water delivery pipes, the fan is respectively communicated with the air outlet 5 and the heat dissipation opening 14 through ventilation pipes, and the heat dissipation opening 14 is positioned on the side wall of the shell.

The middle part of the front side wall of the shell is an inclined plane, and a spray opening 4 is arranged on the inclined plane.

An air outlet 5 is formed in the lower portion of the front side wall of the shell, and the air outlet 5 is parallel to the upper surface of the photovoltaic module 7.

The control box comprises a controller, a control switch, a power module, a storage module, a power module, a temperature sensor and a remote communication module, wherein the controller is electrically connected with the control switch, the power module, the storage module, the power module, the temperature sensor and the remote communication module, the power module is electrically connected with the control switch, the controller, the storage module, the power module, the temperature sensor and the remote communication module, and the temperature sensor is positioned on the middle inclined plane of the front side wall of the shell and the upper part of the rear side wall of the shell.

The water tank 13 is provided with a liquid level meter which is connected with a control box.

The front upright post 8 and the rear upright post 10 are of telescopic rod structures, and the height of the rear upright post 10 is larger than that of the front upright post 8.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1) The temperature sensor detects the temperature of the working environment of the photovoltaic module, when the temperature is too high, the fan and the spraying function are started, the water delivery pump pumps out cold water of the external water tank, water mist is sprayed out through the spraying port, and the effect of quickly cooling the photovoltaic power generation plate can be achieved by matching with the blowing of the fan;

2) The sliding rail is arranged on the photovoltaic module, and the chassis is arranged on the photovoltaic module by utilizing the sliding rail, so that the sliding rail and the chassis can be arranged by arranging the sliding groove on the existing photovoltaic module, the construction cost is effectively reduced, the chassis is convenient to install and disassemble, and the applicability is improved;

3) Through set up the spraying mouth on the inclined plane at quick-witted case front end middle part to set up the air outlet parallel with photovoltaic module upper surface in the spraying mouth below, and then can let wind drive water smoke evenly spray on photovoltaic module's upper surface, realize photovoltaic module's quick cooling, can also realize the cleanness of floating dust and snow on the photovoltaic panel fast through parallel air outlet, provide the guarantee for photovoltaic module's normal work, effectively improved photovoltaic module's generating efficiency.

Drawings

Fig. 1 is a schematic view of the bottom structure of an embodiment of the present utility model.

Fig. 2 is a schematic side view of an embodiment of the present utility model.

Fig. 3 is a schematic view of the back structure of an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of a photovoltaic module according to an embodiment of the present utility model.

Fig. 5 is a schematic structural view of a sliding rail according to an embodiment of the utility model.

Figure number and name: mounting seat 1, power interface 2, machine case 3, spraying mouth 4, air outlet 5, slide rail 6, photovoltaic module 7, front column 8, base 9, rear column 10, end cover 11, lead screw 12, water tank 13, thermovent 14, spout 15, constant head tank 16, slider 17.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-5, the cooling, dedusting and snow removing device for the photovoltaic module comprises a photovoltaic module 7, wherein the lower surface of the photovoltaic module 7 is fixedly arranged on a base 9 through a plurality of front upright posts 8 and rear upright posts 10, the front upright posts 8 and the rear upright posts 10 are of telescopic rod structures, the height of the rear upright posts 10 is larger than that of the front upright posts 8, and by adopting the telescopic front upright posts 8 and the telescopic rear upright posts 10, the orientation angle of the photovoltaic module 7 can be adjusted, the illumination time can be effectively prolonged, the maximum conversion and utilization of solar resources can be realized, and the power generation efficiency can be improved.

The photovoltaic module 7 is provided with a chute 15 on two side walls of the upper end corresponding to the rear upright post 10, a slide rail 6 is installed on the slide rail 15 in a clamping manner, an installation seat 1 is arranged on the slide rail 6 in a sliding manner, a case 3 is fixedly installed on the installation seat 1 through bolts, a spray opening 4 and an air outlet 5 are formed in the front end of the case 3, a water tank 13 is installed at the tail end of the case 3 in a clamping manner, the case 3 comprises a shell, a fan, a control box and a water delivery pump, the control box is connected with the stepping motor, the fan and the water delivery pump, the water delivery pump is respectively communicated with the water tank 13 and the spray opening 4 through the water delivery pipe, the fan is respectively communicated with the air outlet 5 and the heat dissipation opening 14 through the ventilation pipe, and the heat dissipation opening 14 is located on the side wall of the shell.

The end covers 11 are fixedly mounted at the two ends of the sliding rail 6 through bolts, and the end covers 11 can be used for preventing the mounting seat 1 from being separated from the sliding rail 6 and can also be used for mounting and fixing the sliding rail 6 on the photovoltaic module 7.

The inside lead screw 12 that is provided with of slide rail 6, the both ends of lead screw 12 are installed on end cover 11 through the bearing rotation, and threaded connection has mount pad 1 on the lead screw 12, and mount pad 1 inside is provided with the through step motor with lead screw 12 assorted, and step motor drives mount pad 1 and reciprocates on lead screw 12, and then realizes that quick-witted case 3 removes along photovoltaic module 7 lateral wall, is convenient for accomplish snow removing, dust removal and cooling operation to photovoltaic module 7 surface.

The mounting seat 1 is of an L-shaped structure, the positioning groove 16 is formed in the front side wall of the sliding rail 6, the roller is arranged at the position corresponding to the positioning groove 16, the roller is utilized to provide support for the mounting seat 1, the moving cooperativity of the mounting seat 1 can be improved, and the mounting seat 1 is prevented from being blocked.

Example 2

On the technical basis of embodiment 1, the front side wall middle part of casing is the inclined plane, installs spraying opening 4 on the inclined plane, and the front side wall lower part of casing is provided with air outlet 5, and air outlet 5 is parallel with photovoltaic module 7's upper surface, and then can let wind drive water smoke evenly spray on photovoltaic module 7's upper surface, realizes photovoltaic module's rapid cooling.

Example 3

On the basis of the technology of embodiment 1, the control box comprises a controller, a control switch, a power module, a storage module, a power module, a temperature sensor and a remote communication module, wherein the controller is electrically connected with the control switch, the power module, the storage module, the power module, the temperature sensor and the remote communication module, the power module is electrically connected with the control switch, the controller, the storage module, the power module, the temperature sensor and the remote communication module, and the controller is connected with a background management terminal through the remote communication module so as to conveniently realize the whole remote control of the device.

The control switch is located the lateral surface of control box for realize the manual control in the soil of control box, temperature sensor is located casing front side wall middle part inclined plane and casing back side wall upper portion, and then can realize the temperature of photovoltaic module 7 upper surface and air, is convenient for select on the spot or long-range water delivery pump and the spraying mouth of closing according to real-time temperature, prevents that fog from freezing on photovoltaic module 7's upper surface, power module is connected with external power source through power source 2, and power source is located the lateral wall lower part that the thermovent 14 was kept away from to the casing.

Example 4

On the technical basis of embodiment 1, be provided with the level gauge on the water tank 13, the level gauge is connected with the control box, and then realizes the liquid level detection of water tank 13 to backstage management terminal through the control box, reminds the staff to carry out the water source and supply.

Example 5

On the basis of the technology of embodiment 1, the filter screen is installed on the heat dissipation port 14, and the filter screen can prevent external sundries and sand dust from entering, so that the service life of the fan is effectively prolonged.

Claims

1. A cooling, dust removal and snow removing device for photovoltaic module, includes photovoltaic module (7), its characterized in that: the lower surface of photovoltaic module (7) is through a plurality of front column (8) and rear column (10) fixed mounting on base (9), and the upper end block of photovoltaic module (7) is provided with slide rail (6), and the slip is provided with mount pad (1) on slide rail (6), fixed mounting organic case (3) on mount pad (1), and the front end of case (3) is provided with spraying mouth (4) and air outlet (5), and water tank (13) are installed in the tail end block of case (3).

2. The cooling, dedusting and snow removing device for a photovoltaic module according to claim 1, wherein: sliding grooves (15) for installing the sliding rail (6) are formed in two side walls of the upper end of the photovoltaic module (7).

3. The cooling, dedusting and snow removing device for a photovoltaic module according to claim 2, wherein: end covers (11) are fixedly mounted at two ends of the sliding rail (6), a screw rod (12) is arranged in the sliding rail (6), two ends of the screw rod (12) are mounted on the end covers (11) through bearings, an installation seat (1) is connected to the screw rod (12) in a threaded mode, a penetrating type stepping motor matched with the screw rod (12) is arranged in the installation seat (1), and the stepping motor drives the installation seat (1) to reciprocate on the screw rod (12).

4. A cooling, dedusting and snow removal device for a photovoltaic module according to claim 3, characterized in that: and a sliding block (17) matched with the sliding groove (15) is fixedly arranged on the inner side wall at the bottom end of the sliding rail (6).

5. The cooling, dedusting and snow removing device for a photovoltaic module according to claim 1, wherein: the machine case (3) comprises a shell, a fan, a control box and a water delivery pump, wherein the control box is connected with the stepping motor, the fan and the water delivery pump, the water delivery pump is respectively communicated with the water tank (13) and the spraying opening (4) through water delivery pipes, the fan is respectively communicated with the air outlet (5) and the heat dissipation opening (14) through ventilation pipes, and the heat dissipation opening (14) is positioned on the side wall of the shell.

6. The cooling, dedusting and snow removing device for a photovoltaic module according to claim 5, wherein: the middle part of the front side wall of the shell is an inclined plane, and a spray opening (4) is arranged on the inclined plane.

7. The cooling, dedusting and snow removing device for a photovoltaic module according to claim 6, wherein: an air outlet (5) is formed in the lower portion of the front side wall of the shell, and the air outlet (5) is parallel to the upper surface of the photovoltaic module (7).

8. The cooling, dedusting and snow removal device for a photovoltaic module according to claim 7, wherein: the control box comprises a controller, a control switch, a power module, a storage module, a power module, a temperature sensor and a remote communication module, wherein the controller is electrically connected with the control switch, the power module, the storage module, the power module, the temperature sensor and the remote communication module, the power module is electrically connected with the control switch, the controller, the storage module, the power module, the temperature sensor and the remote communication module, and the temperature sensor is positioned on the middle inclined plane of the front side wall of the shell and the upper part of the rear side wall of the shell.

9. The cooling, dedusting and snow removal device for a photovoltaic module according to claim 8, wherein: the water tank (13) is provided with a liquid level meter which is connected with the control box.

10. The cooling, dedusting and snow removing device for a photovoltaic module according to claim 1, wherein: the front upright post (8) and the rear upright post (10) are of telescopic rod structures, and the height of the rear upright post (10) is larger than that of the front upright post (8).