CN114900104A

CN114900104A - Photovoltaic panel system

Info

Publication number: CN114900104A
Application number: CN202210400293.7A
Authority: CN
Inventors: 王万秀
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-16
Filing date: 2022-04-16
Publication date: 2022-08-12

Abstract

The invention discloses a photovoltaic panel system, which comprises a photovoltaic panel bracket, a pressure box, an injection pipe, a plurality of coamings, a buffer mechanism and a cleaning mechanism, wherein the horizontal part of the photovoltaic panel bracket is provided with a supporting plate for installing a photovoltaic panel, the coamings are arranged on the peripheral side edge of the horizontal part of the photovoltaic panel bracket, the pressure box and the cleaning mechanism are both arranged on the vertical part of the photovoltaic panel bracket, one end of the injection pipe is connected with the inside of the pressure box, the other end of the injection pipe is connected with any coamings, an electromagnetic valve for controlling the opening and closing is arranged in the injection pipe, the side face of the enclosing plate communicated with the injection pipe is provided with an injection channel, the buffer mechanism is arranged on one side, away from the vertical part, of the horizontal part of the photovoltaic panel support, the buffer mechanism is directly or indirectly connected with the cleaning mechanism, the buffer mechanism is used for reducing the vibration amplitude of the photovoltaic panel during vibration, and the cleaning mechanism drives the cleaning mechanism to move to fill gas into the pressure box through the displacement generated by vibration absorption of the photovoltaic panel through the buffer mechanism.

Description

Photovoltaic panel system

Technical Field

The invention relates to the field of photovoltaic panels, in particular to a photovoltaic panel system.

Background

Photovoltaic panel systems are power generation devices that produce direct current upon exposure to sunlight and consist of thin solid photovoltaic cells made almost entirely of semiconductor materials. The photovoltaic board system includes the photovoltaic board support and installs the photovoltaic board on the photovoltaic board support, and the most simple structure of prior art's traditional photovoltaic board support only possesses simple cushioning effect, does not possess the effect of real-time improvement cushioning effect, does not possess the function of self-cleaning photovoltaic board simultaneously yet, has the function singleness, and the not high problem of security.

Disclosure of Invention

The present invention is directed to a photovoltaic panel system to solve the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a photovoltaic panel system comprises a photovoltaic panel support, a pressure box, an injection pipe, a plurality of coamings, a buffer mechanism and a cleaning mechanism, wherein a supporting plate used for installing a photovoltaic panel is arranged at the horizontal part of the photovoltaic panel support, the coamings are arranged at the peripheral side edge of the horizontal part of the photovoltaic panel support, the pressure box and the cleaning mechanism are both arranged at the vertical part of the photovoltaic panel support, one end of the injection pipe is connected with the inside of the pressure box, the other end of the injection pipe is connected with any coamings, an electromagnetic valve for controlling the opening and closing is arranged in the injection pipe, the side face of the enclosing plate communicated with the injection pipe is provided with an injection channel, the buffer mechanism is arranged on one side, away from the vertical part, of the horizontal part of the photovoltaic panel support, the buffer mechanism is directly or indirectly connected with the cleaning mechanism, the buffer mechanism is used for reducing the vibration amplitude of the photovoltaic panel during vibration, and the cleaning mechanism drives the cleaning mechanism to move to fill gas into the pressure box through the displacement generated by vibration absorption of the photovoltaic panel through the buffer mechanism.

Preferably, buffer gear includes slide bar, blotter and fixing base, and the fixing base is fixed in one side of backup pad, and the blotter is fixed in the one end that photovoltaic board support was kept away from to the fixing base, and the slide bar passes behind blotter and the fixing base and backup pad fixed connection axially in proper order, and the other end of slide bar passes the horizontal part of photovoltaic board support and extends to one side that the backup pad was kept away from to photovoltaic board support horizontal part.

Preferably, a connecting rod is fixedly installed at one end, far away from the supporting plate, of the sliding rod, and one end, far away from the sliding rod, of the connecting rod is directly connected with the cleaning mechanism.

Preferably, the cleaning mechanism comprises a fixed plate, a sliding plate, a buffer spring, a sealing element, a suction structure and a discharge structure; the photovoltaic panel bracket comprises a fixed plate, a buffer spring and a sliding plate which are sequentially arranged along the vertical part of the photovoltaic panel bracket in the axial direction, the buffer spring is arranged between the fixed plate and the sliding plate, the sliding plate is positioned on one side of the fixed plate close to the horizontal part of the photovoltaic panel bracket, the fixed plate is fixedly connected with the photovoltaic panel bracket, the sliding plate is arranged along the vertical part of the photovoltaic panel bracket in the axial direction in a sliding manner, two ends of the buffer spring are respectively abutted against the fixed plate and the sliding plate, a sealing element is arranged between the fixed plate and the sliding plate in a surrounding manner, the sealing element is positioned on the outer side of the buffer spring, and the sealing element respectively forms a sealed air pressure cavity together with the fixed plate and the sliding plate; the air suction structure is communicated with the air pressure cavity through the sliding plate, the exhaust structure is communicated with the pressure tank through the fixed plate, and under the change of the space size of the air pressure cavity, the air outside the air pressure cavity is unidirectionally pressed into the pressure tank through the air suction structure and the exhaust structure to be stored.

Preferably, the sealing element comprises an elastic sleeve, and the elastic sleeve is fixedly connected with the sliding plate and the outer side surface of the fixed plate along two axial sides of the vertical part of the photovoltaic panel bracket respectively.

Preferably, the air suction structure comprises an air inlet pipe and a dust suction assembly; one end of the air inlet pipe is connected with the dust collection assembly, the other end of the air inlet pipe is communicated with the air pressure cavity through the sliding plate, the dust collection assembly is arranged inside the vertical part of the photovoltaic panel bracket, and external air and dust are sucked into the dust collection assembly to filter the dust and pour the air into the air pressure cavity; a first one-way valve is arranged in the air inlet pipe, and the first one-way valve only enables air to be poured into the air pressure cavity from the dust collection assembly.

Preferably, the exhaust structure includes the blast pipe, and the blast pipe is provided with the second check valve through the inside intercommunication of fixed plate with atmospheric pressure chamber and pressure tank in the blast pipe, and the second check valve only enables inside the gaseous one-way entering pressure tank of atmospheric pressure intracavity.

Preferably, the dust collection assembly comprises a collection cavity, a dust collection port and a dust collection channel; the dust collection cavity is arranged inside the vertical part of the photovoltaic panel support, the collection cavity is arranged in the enclosing plate which is not connected with the injection pipe, the dust collection port is arranged on one side of the collection cavity close to the vertical part of the photovoltaic panel support, one end of the dust collection channel is communicated with the dust collection port, and the other end of the dust collection channel is communicated with the dust collection cavity.

Preferably, a filter screen for filtering dust is arranged at the communication part of the dust collection cavity and the air inlet pipe.

Preferably, the corner between the adjacent bounding walls is provided with a connecting block, the connecting block is clamped with the bounding walls, and the supporting plate is surrounded by the four bounding walls and the connecting block to form a surrounding space.

Compared with the prior art, the invention has the beneficial effects that:

1. be provided with buffer gear, buffer gear cushions the vibrations of photovoltaic board through blotter and buffer spring's combined action, and the buffer power is increased along with the pressure increase gradually in the pressure tank simultaneously, has further improved photovoltaic board stability.

2. The cleaning mechanism is arranged, energy when the photovoltaic panel vibrates is converted into gas for storage, when the gas is stored to a specified amount, the gas can be instantly discharged through the injection channel by opening the electromagnetic valve, high-speed airflow is generated to clean dust on the surface of the photovoltaic panel, and the improvement on the normal working time of the photovoltaic panel is facilitated.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a structural sectional view of the inside of the embodiment of the present invention;

FIG. 3 is a schematic view of a dust collection assembly according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a vertical portion of a photovoltaic panel support according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a buffer according to an embodiment of the invention.

In the figure: a photovoltaic panel support 10; a pressure tank 11; an elastic sleeve 12; a fixed plate 13; a slide plate 14; a buffer spring 15; a pneumatic chamber 16; a support plate 20; an injection pipe 21; a shroud 22; the injection channel 23; an exhaust pipe 24; an intake pipe 25; a slide bar 26; a connecting rod 27; a cushion pad 28; a fixed seat 29; a collection chamber 30; a dust collection chamber 31; a dust suction port 32; a dust suction passage 33; a connecting block 40.

Detailed Description

Referring to fig. 1-5, a photovoltaic panel system of the present embodiment includes a photovoltaic panel support 10, a pressure tank 11, an injection pipe 21, a surrounding plate 22, a buffer mechanism, and a cleaning mechanism.

The photovoltaic panel support 10 is arranged in a T shape and is divided into a vertical part and a horizontal part, the horizontal part of the photovoltaic panel support 10 is arranged in a rectangular shape, the vertical part of the photovoltaic panel support 10 is arranged in a cylindrical shape, the cleaning mechanism is arranged on the vertical part of the photovoltaic panel support 10, the pressure box 11 is arranged on the vertical part of the photovoltaic panel support 10, the wall body of the pressure box 11 is preferably provided with a window which can be opened and closed, the window is sealed when closed, the pressure box 11 is positioned at one side of the cleaning mechanism away from the horizontal part of the photovoltaic panel support 10, the coaming 22 is provided with a plurality of, for example, four coamings 22, the four coamings 22 are arranged on the peripheral side edge of the horizontal part of the photovoltaic panel support 10 at equal angles, the connecting block 40 is arranged at the corner between the adjacent coamings 22, the connecting block 40 is clamped with the coamings 22, a gap exists at the clamping position, rainwater can be discharged in rainy days, and the drainage operation can be carried out by removing the connecting block 40 when the rainfall becomes large, it can be understood that the whole photovoltaic panel support 10 can be automatically stored, or the photovoltaic panel support 10 is automatically covered, the four enclosing plates 22 and the connecting block 40 enclose the support plate 20 to form an enclosing space, only one side of the enclosing space is communicated with the outside, one end of the injection pipe 21 is connected with the inside of the pressure box 11, the other end of the injection pipe 21 is connected with any enclosing plate 22, an electromagnetic valve for controlling opening and closing is arranged in the injection pipe 21, a plurality of injection channels 23 which are arranged at equal intervals are arranged on the inner side surface of the enclosing plate 22 communicated with the injection pipe 21, the injection channels 23 are all communicated with the injection pipe 21, the buffer mechanism is arranged on one side of the horizontal part of the photovoltaic panel support 10, which is far away from the vertical part, and the buffer mechanism is directly or indirectly connected with the cleaning mechanism; the buffer mechanism is used for reducing the vibration amplitude of the photovoltaic panel during vibration, and the cleaning mechanism drives the cleaning mechanism to move to fill gas into the pressure box 11 through the displacement generated by vibration absorption of the photovoltaic panel through the buffer mechanism.

Referring to fig. 5, a support plate 20 for mounting a photovoltaic panel is disposed in the horizontal portion of the photovoltaic panel support 10, the support plate 20 is a rectangular plane, and the buffer mechanism includes a sliding rod 26, a buffer pad 28, a fixing seat 29, a sliding rod 26, cushion 28 and fixing base 29 make up jointly into the bolster, the bolster sets up the four corners at backup pad 20, fixing base 29 is fixed in the one side of photovoltaic board support 10 towards backup pad 20, cushion 28 is fixed in the one end that fixing base 29 kept away from photovoltaic board support 10, the one end of slide bar 26 passes cushion 28 and fixing base 29 and backup pad 20 fixed connection axially in proper order, the other end of slide bar 26 passes the horizontal part of photovoltaic board support 10 and extends to the one side that the horizontal part of photovoltaic board support 10 kept away from backup pad 20, the one end fixed mounting that slide bar 26 kept away from backup pad 20 has connecting rod 27, the one end and the cleaning mechanism lug connection of slide bar 26 are kept away from to connecting rod 27. Referring to fig. 2, the cleaning mechanism includes a fixed plate 13, a sliding plate 14, a buffer spring 15, a sealing member, an air suction structure and an air discharge structure; the fixed plate 13, the buffer spring 15 and the sliding plate 14 are sequentially arranged along the axial direction of the vertical part of the photovoltaic plate support 10, the buffer spring 15 is arranged between the fixed plate 13 and the sliding plate 14, the sliding plate 14 is positioned on one side of the fixed plate 13 close to the horizontal part of the photovoltaic plate support 10, the fixed plate 13 is fixedly connected with the photovoltaic plate support 10, the sliding plate 14 is arranged along the axial direction of the vertical part of the photovoltaic plate support 10 in a sliding manner, two ends of the buffer spring 15 are respectively abutted against the fixed plate 13 and the sliding plate 14, the sealing element is arranged between the fixed plate 13 and the sliding plate 14 in a surrounding manner, the sealing element is positioned on the outer side of the buffer spring 15, the sealing element respectively forms a sealed air pressure cavity 16 together with the fixed plate 13 and the sliding plate 14, and the sliding plate 14 is fixedly connected with one end, far away from the sliding rod 26, of the connecting rod 27; the air suction structure is communicated with the air pressure cavity 16 through the sliding plate 14, the air exhaust structure is communicated with the pressure tank 11 through the fixed plate 13, air outside the air pressure cavity 16 is pressed into the pressure tank 11 in a one-way mode through the air suction structure and the air exhaust structure under the change of the space size of the air pressure cavity 16 and stored, the sealing element is preferably an elastic sleeve 12, the elastic sleeve 12 is arranged in a circular mode and made of deformable elastic materials, two sides of the elastic sleeve 12 in the axial direction of the vertical portion of the photovoltaic panel support 10 are fixedly connected with the sliding plate 14 and the outer side surface of the fixed plate 13 respectively, and the fixed connection position is sealed.

Referring to fig. 2 and 3, the air suction structure includes an air inlet pipe 25 and a dust suction assembly; one end of an air inlet pipe 25 is connected with a dust collection assembly, the other end of the air inlet pipe 25 is communicated with the air pressure cavity 16 through a sliding plate 14, the dust collection assembly is arranged inside the vertical part of the photovoltaic panel support 10, external air and dust are sucked into the dust collection assembly to filter the dust and pour the air into the air pressure cavity 16; a first one-way valve is arranged in the air inlet pipe 25, the first one-way valve only enables air to be poured into the air pressure cavity 16 from a dust collection assembly, and the dust collection assembly comprises a collection cavity 30, a dust collection cavity 31, a dust collection port 32 and a dust collection channel 33; the dust collection cavity 31 is arranged inside the vertical portion of the photovoltaic panel support 10, the collection cavity 30 is arranged in the enclosing plate 22 which is not connected with the injection pipe 21, optionally, a detachable water baffle plate for blocking water can be additionally arranged at the connection position of the opening of the collection cavity 30 and the photovoltaic panel support 10 to prevent rainwater from entering the collection cavity 30, the dust suction port 32 is arranged on one side of the collection cavity 30 close to the vertical portion of the photovoltaic panel support 10, one end of the dust suction channel 33 is communicated with the dust suction port 32, the other end of the dust suction channel 33 is communicated with the dust collection cavity 31, and a filter screen for filtering dust is arranged at the communication position of the dust collection cavity 31 and the air inlet pipe 25.

Referring to fig. 2, the exhaust structure includes an exhaust pipe 24, the exhaust pipe 24 connects the air pressure chamber 16 and the pressure tank 11 through the fixing plate 13, and a second check valve is disposed in the exhaust pipe 24, and the second check valve only enables the air in the air pressure chamber 16 to enter the pressure tank 11 in a single direction. After the photovoltaic panel system is configured in place, the vertical part of the photovoltaic panel support 10 is fixed on any surface capable of providing hard support, the buffer spring 15 is not compressed, the photovoltaic panel is installed on one side surface of the support plate 20 far away from the photovoltaic panel support 10, the support plate 20 presses the sliding rod 26 under the action of gravity, the sliding rod 26 slides on the combination body of the fixed seat 29 and the buffer cushion 28, the buffer cushion 28 is abutted to the bottom of the support plate 20, and the electromagnetic valve is closed.

The photovoltaic panel normally works, at the moment, due to external environmental factors, the photovoltaic panel vibrates, so that the supporting plate 20 vibrates, at the moment, the supporting plate 20 is abutted to the cushion 28, so that the cushion 28 counteracts partial vibration, the supporting plate 20 moves close to the fixing seat 29 during vibration, so that the sliding rod 26 slides downwards, the sliding plate 14 is driven to slide downwards through the connecting rod 27, the space in the air pressure cavity 16 is reduced, the buffer spring 15 is compressed, and therefore gas in the air pressure cavity 16 is pressed into the pressure tank 11 through the exhaust pipe 24 to be stored. When the supporting plate 20 starts to move away from the fixed seat 29, the sliding rod 26 slides upwards, so that the sliding plate 14 is driven to slide upwards through the connecting rod 27, the space in the air pressure chamber 16 is increased, the buffer spring 15 returns to a normal state, and the gas in the dust collection chamber 31 enters the air pressure chamber 16 through the air inlet pipe 25 after being filtered by the filter screen to be filled. Therefore, when the photovoltaic panel vibrates, the acting force generated by the vibration is acted by the buffer cushion 28 and the buffer spring 15 together to reduce the vibration intensity of the photovoltaic panel, and meanwhile, after the air pressure in the pressure box 11 rises, the resistance of the air pressure chamber 16 for pressing air into the pressure box 11 is increased, so that the resistance of the support plate 20 for vibrating is increased, and the stability of the photovoltaic panel is further improved.

When the air pressure in the pressure box 11 reaches a certain value (the set value can be adjusted according to the actual condition of a user), the electromagnetic valve is opened, so that the air in the pressure box 11 is rapidly sprayed out through the spraying pipe 21 and the spraying channel 23, the sprayed high-speed air flow blows over the surface of the photovoltaic panel to blow off dust and foreign matters attached to the surface of the photovoltaic panel, the normal use of the photovoltaic panel is ensured, the blown dust or foreign matters enter the collecting cavities 30 on the other surrounding plates 22, and when the air in the dust collecting cavity 31 is sucked into the air pressure cavity 16 through the air inlet pipe 25 in the above process, the air pressure in the dust collecting cavity 31 is reduced, so that the dust in the collecting cavity 30 is sucked into the dust collecting cavity 31 through the dust suction channel 33 and the dust suction port 32 in sequence, and the aim of cleaning the horizontal parts of the photovoltaic panel and the photovoltaic panel support 10 is fulfilled.

As described above, this embodiment is provided with buffer gear, buffer gear cushions the vibrations of photovoltaic board through the combined action of blotter and buffer spring, buffer power increases along with the increase gradually of pressure in the pressure tank simultaneously, photovoltaic board stability has further been improved, and still set up clean mechanism, energy through when shaking the photovoltaic board turns into gaseous storage, when gaseous storage to appointed volume, can be through opening the solenoid valve, discharge gaseous through injection channel in the twinkling of an eye, produce high velocity stream and clean photovoltaic board surface dust, be favorable to improving the normal operating duration of photovoltaic board, set up the subassembly of breathing in simultaneously, aerify the dust that drops to the pressure tank while collecting clean, be convenient for follow-up manual work recovery processing, artificial intensity of labour has been reduced, the cleaning efficiency has also been improved simultaneously.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable changes and modifications of the above embodiments are within the scope of the claimed invention as long as they are within the spirit and scope of the present invention.

Claims

1. A photovoltaic panel system, characterized by: comprises a photovoltaic panel bracket (10), a pressure box (11), an injection pipe (21), a plurality of coamings (22), a buffer mechanism and a cleaning mechanism, wherein a supporting plate (20) used for installing a photovoltaic panel is arranged at the horizontal part of the photovoltaic panel bracket (10), the coamings (22) are arranged at the peripheral side edge of the horizontal part of the photovoltaic panel bracket (10), the pressure box (11) and the cleaning mechanism are both arranged at the vertical part of the photovoltaic panel bracket (10), one end of the injection pipe (21) is connected with the inside of the pressure box (11), the other end of the injection pipe (21) is connected with any coamings (22), an electromagnetic valve used for controlling the opening and closing is arranged in the injection pipe (21), an injection channel (23) is arranged at the side surface of the coamings (22) communicated with the injection pipe (21), the buffer mechanism is arranged at one side of the horizontal part of the photovoltaic panel bracket (10) far away from the vertical part, and is directly or indirectly connected with the cleaning mechanism, the buffer mechanism is used for reducing the vibration amplitude of the photovoltaic panel during vibration, and the cleaning mechanism drives the cleaning mechanism to act to fill gas into the pressure box (11) through the displacement generated by vibration absorption of the buffer mechanism on the photovoltaic panel.

2. A photovoltaic panel system according to claim 1, characterized in that: buffer gear includes slide bar (26), blotter (28) and fixing base (29), and one side at backup pad (20) is fixed in fixing base (29), and one end of keeping away from photovoltaic board support (10) is fixed in fixing base (29) in blotter (28), slide bar (26) in proper order the axial pass behind blotter (28) and fixing base (29) with backup pad (20) fixed connection, the other end of slide bar (26) passes the horizontal part of photovoltaic board support (10) and extends to one side that backup pad (20) were kept away from to photovoltaic board support (10) horizontal part.

3. A photovoltaic panel system according to claim 2, characterized in that: and one end of the sliding rod (26) far away from the support plate (20) is fixedly provided with a connecting rod (27), and one end of the connecting rod (27) far away from the sliding rod (26) is directly connected with the cleaning mechanism.

4. A photovoltaic panel system according to claim 1, characterized in that: the cleaning mechanism comprises a fixed plate (13), a sliding plate (14), a buffer spring (15), a sealing element, an air suction structure and an air exhaust structure;

the photovoltaic panel bracket comprises a fixed plate (13), a buffer spring (15) and a sliding plate (14), wherein the fixed plate (13), the buffer spring (15) and the sliding plate (14) are sequentially arranged along the vertical part of the photovoltaic panel bracket (10) in the axial direction, the buffer spring (15) is arranged between the fixed plate (13) and the sliding plate (14), the sliding plate (14) is positioned on one side of the fixed plate (13) close to the horizontal part of the photovoltaic panel bracket (10), the fixed plate (13) is fixedly connected with the photovoltaic panel bracket (10), the sliding plate (14) is arranged along the vertical part of the photovoltaic panel bracket (10) in the axial direction in a sliding mode, two ends of the buffer spring (15) are respectively abutted against the fixed plate (13) and the sliding plate (14), a sealing element is arranged between the fixed plate (13) and the sliding plate (14) in a surrounding mode and is positioned on the outer side of the buffer spring (15), and the sealing element and the fixed plate (13) and the sliding plate (14) form a sealed air pressure cavity (16) together;

the air suction structure is communicated with the air pressure cavity (16) through the sliding plate (14), the exhaust structure is communicated with the pressure box (11) through the fixing plate (13), and under the change of the space size of the air pressure cavity (16), the external air of the air pressure cavity (16) is unidirectionally pressed into the pressure box (11) through the air suction structure and the exhaust structure to be stored.

5. A photovoltaic panel system according to claim 4, characterized in that: the sealing element comprises an elastic sleeve (12), and the two sides of the elastic sleeve (12) in the axial direction of the vertical part of the photovoltaic panel bracket (10) are fixedly connected with the outer side surfaces of the sliding plate (14) and the fixing plate (13) respectively.

6. A photovoltaic panel system according to claim 4, characterized in that: the air suction structure comprises an air inlet pipe (25) and a dust suction assembly;

one end of an air inlet pipe (25) is connected with a dust collection assembly, the other end of the air inlet pipe (25) is communicated with the air pressure cavity (16) through a sliding plate (14), the dust collection assembly is arranged inside the vertical part of the photovoltaic panel support (10), external air and dust are sucked into the dust collection assembly to filter the dust and pour the air into the air pressure cavity (16);

a first one-way valve is arranged in the air inlet pipe (25), and the first one-way valve only enables air to be poured into the air pressure cavity (16) from the dust collection assembly.

7. A photovoltaic panel system according to claim 4, characterized in that: the exhaust structure comprises an exhaust pipe (24), the exhaust pipe (24) is communicated with the inside of the air pressure cavity (16) and the pressure box (11) through a fixing plate (13), a second one-way valve is arranged in the exhaust pipe (24), and the second one-way valve only enables air in the air pressure cavity (16) to enter the inside of the pressure box (11) in a one-way mode.

8. A photovoltaic panel system according to claim 6, characterized in that: the dust collection component comprises a collection cavity (30), a dust collection cavity (31), a dust collection port (32) and a dust collection channel (33);

the dust collection cavity (31) is arranged in the vertical part of the photovoltaic panel support (10), the collection cavity (30) is arranged in the enclosing plate (22) which is not connected with the injection pipe (21), the dust collection port (32) is arranged on one side of the collection cavity (30) close to the vertical part of the photovoltaic panel support (10), one end of the dust collection channel (33) is communicated with the dust collection port (32), and the other end of the dust collection channel (33) is communicated with the dust collection cavity (31).

9. A photovoltaic panel system according to claim 8, wherein: a filter screen for filtering dust is arranged at the communication part of the dust collection cavity (31) and the air inlet pipe (25).

10. A photovoltaic panel system according to claim 1, characterized in that: the corner between adjacent bounding wall (22) is provided with connecting block (40), and connecting block (40) and bounding wall (22) joint, four bounding walls (22) surround backup pad (20) and form the enclosure space with connecting block (40).