CN116744632A

CN116744632A - Self-heat-dissipation structure of photovoltaic inverter and use method

Info

Publication number: CN116744632A
Application number: CN202310338500.5A
Authority: CN
Inventors: 张清耀
Original assignee: Inner Mongolia Mengdian Huaneng Thermal Power Corp Ltd Wuhai Power Plant
Current assignee: Inner Mongolia Mengdian Huaneng Thermal Power Corp Ltd Wuhai Power Plant
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-09-12

Abstract

The application provides a self-heat-dissipation structure of a photovoltaic inverter and a use method thereof, relating to the technical field of photovoltaic inverters, comprising the following steps: the main structure comprises an outer shell and an inner shell arranged in the outer shell, wherein an inverter body is arranged in the inner shell, and a photovoltaic panel is arranged above the outer shell; the heat dissipation assembly is arranged between the outer shell and the inner shell and comprises a ventilation pipe arranged on the upper surface of the inner shell and a rotary sleeve arranged in the ventilation pipe, and a plurality of rotary rods are arranged on the outer side of the rotary sleeve; and the dust removing components are arranged on two sides of the shell. This kind of structure passes through the setting of radiator unit, can utilize the heat energy that solar light irradiation on the photovoltaic board and the heat that the work of dc-to-ac converter body produced to drive the dwang rotatory, and then let form the air current between shell and the inner shell to blow the heat dissipation to heat dissipation fin, improves the utilization of energy, through the setting of dust removal unit, need not to dismantle the dust removal net alright clear up the dust on the dust removal net fast.

Description

Self-heat-dissipation structure of photovoltaic inverter and use method

Technical Field

The application relates to the technical field of photovoltaic inverters, in particular to a self-heat-dissipation structure of a photovoltaic inverter and a use method thereof.

Background

The photovoltaic inverter can convert variable direct current voltage generated by the photovoltaic solar panel into alternating current with the mains frequency, can be fed back to a commercial power transmission system or used for an off-grid power grid, is one of important system balances in a photovoltaic array system, and can be used with common alternating current power supply equipment.

The existing photovoltaic inverter can generate a large amount of heat in the working process, the service life of the inverter can be influenced when the heat is excessively accumulated, so that when the internal temperature of the inverter is higher, the flow speed of the internal air is mostly accelerated through a fan, the internal heat is discharged, the purpose of heat dissipation is achieved, but when the fan works, foreign matters such as dust in the air can be attached to the fan blades of the fan, the heat dissipation effect is reduced, a worker needs to detach the whole fan from the inverter when cleaning, the fan and the circuit of the inverter are disconnected, the process is troublesome, meanwhile, because the external air is frequently led into the photovoltaic inverter through an air inlet, the position of the air inlet is easy to accumulate dust, the sustainable heat dissipation effect of the photovoltaic inverter is influenced, and the national patent net discloses a photovoltaic inverter CN109120161B convenient for heat dissipation, the inverter is wrapped by the shell to play a role in dust prevention, natural wind is utilized to dissipate heat through the arrangement of the radiating fins, the air inlet pipe and the radiating holes, and meanwhile, the motor and the hairbrush are arranged to be favorable for cleaning dust on the radiating fins and improving the radiating effect of the radiating fins, but certain defects exist in the actual use process, the mode of utilizing the natural wind to conduct additional heat dissipation in the publication has high requirements on environment, if other barriers exist on the periphery, the natural wind cannot enter the shell, or the entering natural wind is insufficient, foam plates at the radiating holes cannot be blown up, the situation that the radiating holes are blocked is caused, the radiating effect of the inverter body is influenced, meanwhile, dust is even deposited into the shell after entering the shell through the hairbrush, the dust floats too much in the shell after entering the shell, the heat dissipation effect is affected, and the subsequent cleaning and maintenance workload is large.

Disclosure of Invention

The application aims to solve the defects in the background art, and provides a self-radiating structure of a photovoltaic inverter and a using method thereof.

In order to achieve the above object, the present application provides a self-heat dissipation structure of a photovoltaic inverter, including:

the main body structure comprises an outer shell and an inner shell arranged in the outer shell, wherein an inverter body is arranged in the inner shell, and a photovoltaic panel is arranged above the outer shell;

the heat dissipation assembly is arranged between the outer shell and the inner shell and comprises a ventilation pipe arranged on the upper surface of the inner shell and a rotary sleeve arranged in the ventilation pipe, and a plurality of rotary rods are arranged on the outer side of the rotary sleeve;

the dust removal assembly is arranged on two sides of the shell and comprises a ventilation box arranged on two opposite sides of the shell and a dust removal net arranged in the ventilation box, and a lifting plate is arranged in the ventilation box.

As an improvement of the application, a heat conduction copper pipe is arranged in the rotary sleeve, one end of the heat conduction copper pipe extends into the inner shell and is connected with the inverter body, a photovoltaic plate is arranged at the top end of the outer shell, the other end of the heat conduction copper pipe protrudes out of the upper surface of the outer shell and is connected with the photovoltaic plate, and a plurality of heat dissipation fins are arranged on two opposite sides of the inverter body.

As an improvement of the application, the outer side of the heat conduction copper pipe is connected with a rotating sleeve, the outer side of the rotating sleeve is provided with a plurality of balls, the balls are distributed on the outer surface of the rotating sleeve, the outer side of the rotating sleeve is provided with a copper plate with an arc-shaped structure, and the copper plate is contacted with the heat conduction copper pipe.

As an improvement of the application, a cavity is arranged in the rotary rod, a sealing block is arranged in the cavity, the cross section of the sealing block is matched with the cross section outline of the cavity, and a reset spring is arranged between the lower surface of the sealing block and the cavity.

As an improvement of the application, a heat conducting rod is arranged in the cavity, one end of the heat conducting rod extends to the inner wall of the rotary sleeve and is in contact with the copper plate, the reset spring is sleeved on the outer side of the heat conducting rod, the side surface of one end of the rotary rod, which is far away from the rotary sleeve, is connected with an iron block, and the inner wall of the ventilation pipe is provided with a magnet.

As an improvement of the application, the ventilation box is provided with an inner air hole and an outer air hole, the inner air hole is communicated with the inner wall of the shell, the lower surface of the ventilation box is provided with a slot, two partition boards are arranged in the ventilation box, lifting grooves are arranged on the partition boards, a plurality of limiting blocks are arranged in the ventilation box, two sides of the lifting boards are respectively provided with an extension board, one side of the ventilation box is provided with a sliding groove, one end of each extension board protrudes out of the ventilation box through the lifting grooves and the sliding grooves, two guide posts are arranged in the ventilation box, the extension boards are provided with limiting holes, and the cross section sizes of the limiting holes are matched with the cross section outlines of the guide posts.

As an improvement of the application, a fan is arranged in the ventilation box, a ratchet wheel is arranged on a rotating shaft of the fan, one side of the lifting plate is connected with a connecting rod in an L-shaped structure, one end of the connecting rod is connected with a driving plate, one side of the driving plate is provided with a driving groove, a tooth plate is arranged in the driving groove, a driving spring is arranged between the tooth plate and the driving groove, and teeth on the tooth plate are mutually matched with the ratchet wheel.

As an improvement of the application, a storage groove is formed on one side of the lifting plate, which is close to the dust removing net, a scraping plate is arranged in the storage groove, a brush is arranged on the outer side of the scraping plate, one side of the lower surface of the scraping plate is connected with an ejector rod, a device cavity is formed in the lifting plate, a large gear is connected in the device cavity in a matched manner through a bearing, a small gear is connected to the surface of the large gear, teeth matched with the small gear are arranged on the side surface of the ejector rod, a pressing groove is formed in the lifting plate, a pressing rod matched with the pressing groove is arranged in the pressing groove, and a meshing tooth matched with the large gear is arranged on one side of the pressing rod.

As an improvement of the application, a compression spring is arranged between the pressing rod and the pressing groove, one end of the pressing rod protrudes out of one side of the extension plate and is connected with the pressing plate, a moving groove is formed in the extension plate, a moving rod is arranged in the moving groove, one end of the moving rod is connected with the pressing plate, an extrusion groove is formed in the moving rod, an extrusion block is arranged on the inner wall of the extrusion groove, an ejection groove communicated with the moving groove is formed in the surface of the extension plate, an ejection block is arranged in the ejection groove, an extrusion hole is formed in the side face of the ejection block, a clamping groove on the sliding groove is formed in the inner wall of the ventilation box, and one end of the ejection block protrudes out of the outer surface of the extension plate and extends into the clamping groove.

The application provides a self-heat-dissipation structure of a photovoltaic inverter and a use method thereof, and the self-heat-dissipation structure has the following beneficial effects:

the application has the advantages that through the arrangement of the heat dissipation component, the heat energy irradiated on the photovoltaic panel by the sunlight and the heat generated by the operation of the inverter body can be utilized to drive the rotating rod to rotate, so that air flow is formed between the outer shell and the inner shell to blow and dissipate heat of the heat dissipation fins, and the energy utilization is improved.

Secondly, through the arrangement of the lifting plate, the scraping plate and the pressing plate in the dust removing assembly, dust on the dust removing net can be quickly cleaned without disassembling the dust removing net, the time required by cleaning and maintenance is shortened, the working efficiency is improved, and meanwhile, the scraping plate can be retracted after cleaning is completed;

then, through the setting of ejecting piece, carriage release lever and draw-in groove, can play fixed effect when the lifter plate removes to the highest position to prevent that the lifter plate from being in the lowest position after using, lead to the lifter plate surface to accumulate a large amount of dust and can't clear up.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present application.

Fig. 2 is a cross-sectional view of the overall structure of the present application.

Figure 3 is a top cross-sectional view of the vent box structure of the present application.

Fig. 4 is a top cross-sectional view of the elevator plate structure of the present application.

Fig. 5 is a schematic view of the structure of the large gear of the present application.

Fig. 6 is a side cross-sectional view of the vent tube structure of the present application.

Fig. 7 is a cross-sectional view of the rotary sleeve structure of the present application.

Fig. 8 is a schematic structural view of a rotating sleeve according to the present application.

Fig. 9 is a schematic diagram of a chute structure according to the present application.

Fig. 10 is a schematic view of a stopper structure according to the present application.

Fig. 11 is a schematic view of the structure of the connecting rod of the present application.

FIG. 12 is a schematic view of a ratchet mechanism according to the present application.

Fig. 13 is an enlarged view of fig. 3 at a in accordance with the present application.

Fig. 14 is an enlarged view of fig. 6 at B in accordance with the present application. .

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.

The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

The embodiment of the application provides a self-radiating structure of a photovoltaic inverter and a use method thereof, which can realize the arrangement of a radiating component, and can drive a rotating rod to rotate by utilizing heat energy irradiated by sunlight on a photovoltaic panel and heat generated by the working of an inverter body, so that air flow is formed between an outer shell and an inner shell to blow and radiate heat to radiating fins, thereby improving the utilization of energy, quickly cleaning dust on a dust removing net without disassembling the dust removing net through the arrangement of the dust removing component, reducing the time required for cleaning and maintaining and improving the working efficiency. The self-heat dissipation structure of the photovoltaic inverter and the method of using the same are described in detail below. The following description of the embodiments is not intended to limit the preferred embodiments.

The application is described in detail below with reference to the drawings and the detailed description.

Example 1

Referring to fig. 1 to 14, a self-heat dissipation structure of a photovoltaic inverter provided in this embodiment includes: the main body structure 100 comprises an outer shell 101 and an inner shell 101a arranged in the outer shell, wherein an inverter body 102 is arranged in the inner shell 101a, and a photovoltaic panel 103 is arranged above the outer shell 101; the heat dissipation assembly 200 is arranged between the outer shell 101 and the inner shell 101a, and comprises a ventilation pipe 201 arranged on the upper surface of the inner shell 101a and a rotating sleeve 202 arranged in the ventilation pipe 201, wherein a plurality of rotating rods 202a are arranged outside the rotating sleeve 202; the dust removing assembly 300 is arranged on two sides of the shell 101, and comprises a ventilation box 301 arranged on two opposite sides of the shell 101, and a dust removing net 304 arranged in the ventilation box 301, wherein a lifting plate 305 is arranged in the ventilation box 301.

In this embodiment, the self-heat-dissipating structure of the photovoltaic inverter and the use method thereof mainly include a main body structure, a heat-dissipating component 200 and a dust-removing component;

through the arrangement of the heat dissipation assembly, the heat energy irradiated onto the photovoltaic panel 103 by sunlight and the heat generated by the operation of the inverter body 102 can be utilized to drive the rotating rod 202a to rotate, so that air flow is formed between the outer shell 101 and the inner shell 101a to blow and dissipate heat of the heat dissipation fins 102a, and the energy utilization is improved. Secondly, through the arrangement of the lifting plate 305, the scraping plate 305b and the pressing plate 308 in the dust removing assembly, dust on the dust removing net 304 can be quickly cleaned without disassembling the dust removing net 304, the time required for cleaning and maintenance is reduced, the working efficiency is improved, and meanwhile, the scraping plate 305b can be retracted after cleaning is completed; then, by providing the ejector block 309c, the moving rod 308a, and the locking groove 309d, the lifter plate 305 can be fixed when moving to the highest position, so that the lifter plate 305 is prevented from being at the lowest position after use, and a large amount of dust accumulated on the surface of the lifter plate 305 cannot be cleaned.

Example 2

On the basis of embodiment 1, a heat conducting copper pipe 203 is arranged in a rotating sleeve 202, one end of the heat conducting copper pipe 203 extends into an inner shell 101a and is connected with an inverter body 102, a photovoltaic plate 103 is arranged at the top end of the outer shell 101, the other end of the heat conducting copper pipe 203 protrudes out of the upper surface of the outer shell 101 and is connected with the photovoltaic plate 103, a plurality of radiating fins 102a are arranged on two opposite sides of the inverter body 102, a rotating sleeve 203a is connected to the outer side of the heat conducting copper pipe 203, a plurality of balls 203b are arranged on the outer side of the rotating sleeve 203a, the balls 203b are distributed on the outer surface of the rotating sleeve 203a, a copper plate 203c with an arc-shaped structure is arranged on the outer side of the rotating sleeve 203a, and the copper plate 203c is in contact with the heat conducting copper pipe 203.

Because the photovoltaic inverter body 102 can generate a large amount of heat in the use process, at this time, the heat generated by the inverter body 102 can be transferred through the plurality of radiating fins 102a and transferred between the outer shell 101 and the inner shell 101a, so that the radiating assembly 200 can blow and radiate the radiating fins 102a, meanwhile, when the photovoltaic panel 103 performs light energy conversion, the heat generated by the photovoltaic panel 103 is collected on the photovoltaic panel 103 by sunlight, at this time, the heat on the inverter body 102 and the photovoltaic panel 103 can be transferred into the rotating sleeve 202 through the arrangement of the heat conducting copper pipes 203, and the heat on the heat conducting rods 202c is transferred into the cavity 202b through the copper plates 203c, and the air pressure difference exists between the upper surface and the lower surface of the sealing block 202d, so that the sealing block 202d moves away from the rotating sleeve 202, and because the copper plates 203c are positioned on the side surfaces of the rotating sleeve 203a, the sealing block 202d of the rotating rod 202a positioned on the side is farther away from the rotating sleeve 202 than the sealing block 202d of the rotating rod 202a positioned on the opposite position, so that the rotating sleeve 202c deflects the rotating sleeve 202a and the air flow between the rotating sleeve and the rotating sleeve 202a and the radiating air flow in the rotating sleeve 101a, and the air flow is blown out of the radiating sleeve 102.

Further, a cavity 202b is formed in the rotating rod 202a, a sealing block 202d is arranged in the cavity 202b, the cross section of the sealing block 202d is matched with the cross section of the cavity 202b, a reset spring 202e is arranged between the lower surface of the sealing block 202d and the cavity 202b, a heat conducting rod 202c is arranged in the cavity 202b, one end of the heat conducting rod 202c extends to the inner wall of the rotating sleeve 202 and contacts with the copper plate 203c, the reset spring 202e is sleeved on the outer side of the heat conducting rod 202c, one end side surface of the rotating rod 202a, far away from the rotating sleeve 202, is connected with an iron block 201a-1, and a magnet 201b is arranged on the inner wall of the ventilating pipe 201.

With the rotation of the rotating rod 202a, the heat conducting rod 202c is separated from the copper plate 203, at this time, the sealing block 202d is rebounded to the original position under the elastic force of the return spring 202e, and at the same time, when the rotating rod 202a rotates to the highest point, the rotating rod 202a can be attracted by the arrangement of the magnet 201b and the iron block 201a-1, so that the rotating rod 202a can rotate smoothly.

Example 3

On the basis of embodiment 1, an inner air hole 301a and an outer air hole 301a-1 are formed in the ventilation box 301, the inner air hole 301a is communicated with the inner wall of the shell 101, a groove 301b-1 is formed in the lower surface of the ventilation box 301, two partition plates 301c are arranged in the ventilation box 301, a lifting groove 301c-1 is formed in the partition plates 301c, a plurality of limiting blocks 303 are arranged in the ventilation box 301, extension plates are arranged on two sides of the lifting plate 305, a sliding groove 301b is formed in one side of the ventilation box 301, one end of each extension plate protrudes out of the ventilation box 301 through the lifting groove 301c-1 and the sliding groove 301b, two guide posts 302 are arranged in the ventilation box 301, limiting holes 305d are formed in the extension plates, and the cross section sizes of the limiting holes 305d are matched with the cross section outlines of the guide posts 302.

The air flow between the outer shell 101 and the inner shell 101a goes in and out through the ventilation box 301, and when the air goes in and out of the ventilation box 301, dust in the air is adsorbed and filtered through the dust removing net 304, so that dust is prevented from accumulating on the heat radiating fins 102a, and the heat radiating efficiency of the inverter body 102 is prevented from being influenced.

Further, a receiving groove 305a is formed on one side of the lifting plate 305 close to the dust removing net 304, a scraping plate 305b is arranged in the receiving groove 305a, a brush is arranged on the outer side of the scraping plate 305b, an ejector rod 305c is connected to one side of the lower surface of the scraping plate 305b, a device cavity is formed in the lifting plate 305, a large gear 306 is connected to the device cavity through bearing fit, a small gear 306a is connected to the surface of the large gear 306, teeth matched with the small gear 306a are formed on the side face of the ejector rod 305c, a pressing groove 307b matched with the pressing groove 307 is formed in the lifting plate 305, a meshing tooth matched with the large gear 306 is formed on one side of the pressing groove 307b, a compression spring 307a is arranged between the pressing groove 307b and the pressing groove 307, one end of the pressing rod 307b protrudes out of one side of the extending plate and is connected with a pressing plate 308, a moving groove 309 is formed in the extending plate 309, a moving rod 308a is formed in the extending plate, a pressing groove 308a is connected with the pressing plate 308, a pressing groove 308a is formed in one end of the moving rod 308a, a pressing groove 308a is formed in the moving rod 308a, a pressing groove 308a is matched with the pressing groove 308a, a is formed in the inner wall of the moving rod 308a, a is provided with a 1, a pressing groove 309b is formed in the inner wall of the extending groove 309b is formed in the extending groove 309b, and the side of the extending groove 309b is provided with the side 309b, 309b is provided with the inner surface of the pressing groove 309b is provided with the upper surface of the pressing block 309b, and 309b is provided with the one side is provided with a 309 b.

In order to ensure smooth circulation of the air, the pressing plate 308 is pressed to enable the pressing plate 308 to drive the moving rod 308a and the pressing rod 307b to move, so that the pressing rod 307b drives the large gear 306 and the small gear 306a to rotate through the matched teeth, the ejector rod 305c drives the scraper 305b to move out of the accommodating groove 305a, the moving rod 308a is inserted into the extrusion hole 309c-1 through the extrusion block 308a-2 to separate the ejector block 309c from the clamping groove 309d so as to release the limit of the lifting plate 305, then the lifting plate 305 is pulled to move downwards, the dust on the dust removing net 304 is cleaned through the brush on the accommodating groove 305a, then the cleaned dust can be removed through the grooves 301b-1, the dust on the dust removing net 304 is cleaned without dismantling the dust removing net 304, the moving direction of the lifting plate 305 can be limited through the arrangement of the guide post 302 and the limiting hole 305d, and the moving distance of the lifting plate 305 can be limited through the arrangement of the lifting groove 301c-1 and the limiting groove 301 b.

Then, after the lifting plate 305 moves to the lowest position, the pressing plate 308 is released, at this time, the pressing plate 307b rebounds under the action of the elastic force of the compression spring 307a, and then the scraping plate 305b is retracted into the accommodating groove 305a through the arrangement of the large gear 306, the small gear 306a and the ejection rod 305c, so that dust cannot be reweighed onto the dust removing net 304 in the lifting process of the lifting plate 305, then, at the same time of releasing the pressing plate 308, the ejection block 309c rebounds under the action of the elastic force of the ejection spring 309b, so that the ejection block 309c drives the extrusion block 308a-2 to retract through the extrusion groove 308a-1 and the extrusion block 308a-2, and the ejection block 309c ejects the surface of the extension plate and contacts with the inner wall of the sliding groove 301b, until the lifting plate 305 lifts to the highest point, the ejection block 309c corresponds to the position of the clamping groove 309d, and the ejection block 309c ejects into the clamping groove 309d under the action of the elastic force of the ejection spring 309 b.

Next, a fan 302c is installed in the ventilation box 301, a ratchet 302d is arranged on a rotating shaft of the fan 302c, one side of the lifting plate 305 is connected with a connecting rod 302a in an L-shaped structure, one end of the connecting rod 302a is connected with a driving plate 302b, one side of the driving plate 302b is provided with a driving groove 302b-1, a tooth plate 302b-3 is arranged in the driving groove 302b-1, a driving spring 302b-2 is arranged between the tooth plate 302b-3 and the driving groove 302b-1, and teeth on the tooth plate 302b-3 are matched with the ratchet 302 d.

In the process of downwards moving the lifting plate 305, the driving plate 302b is driven to downwards move by the connecting rod 302a, so that the toothed plate 302b-3 on the driving plate 302 is meshed with the ratchet 302d, the ratchet 302d drives the fan 302c to rotate, gas in the shell 101 is blown onto the dust removing net 304, the dust removing net 304 is backflushed to facilitate the scraping plate 305b to clean the dust removing net 304, meanwhile, the rotation of the fan 302c can accelerate the gas flow rate in the shell 101 and accelerate the heat dissipation efficiency of the heat dissipation fins 102a, and when the gas passes through the ventilation pipe 201, a certain force can be applied to the rotating rod 202a in the ventilation pipe 201, so that the rotating rod 202a can be primarily rotated, and the heat conduction of the inverter body 102 and the photovoltaic plate 103 is matched, so that the rotating rod 202a continuously rotates to generate gas flow, and the rotating rod 202a can be accelerated in the initial stage of the rotation of the rotating rod 202 a.

Specifically, the application method is as follows:

s1, heat transfer, namely, heat generated by an inverter body is conducted between an inner shell and an outer shell through the arrangement of heat dissipation fins;

s2, heat utilization, namely transferring the heat generated by the photovoltaic panel and the inverter body to the rotating rod through the heat conducting copper pipe, the copper plate and the heat conducting rod so as to change the position of the sealing block to shift the gravity center of the rotating sleeve, and enabling the rotating sleeve and the rotating rod to blow in a rotating way;

s3, blowing and radiating, namely enabling the rotating rod to rotate so as to enable air flow to be formed between the outer shell and the inner shell, blowing and radiating the radiating fins, communicating with the outside through the ventilation box, and carrying out heat exchange on the inverter body;

s4, dust removal is carried out, and dust in the gas entering and exiting the shell is filtered through the arrangement of a dust removal net;

s5, cleaning a dust removing net, namely, pressing the limit that the pressing plate contacts the lifting plate, enabling a hairbrush on the scraping plate to contact the dust removing net, cleaning dust on the dust removing net through movement of the lifting plate, and loosening the pressing plate after cleaning is completed, so that the scraping plate is separated from the dust removing net;

s6, accelerating the rotating rod, driving the fan to rotate to blow the dust removing net through the arrangement of the connecting rod, the driving plate, the tooth plate and the ratchet wheel, improving the dust removing effect of the dust removing net by matching with the scraping plate, simultaneously enabling the shell to generate instant strong air flow, blowing the rotating rod and accelerating the starting of the rotating rod.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

The above describes in detail a ground wire with a steerable handle and capable of preventing false touch, and specific examples are applied to illustrate the principle and implementation of the application, and the above description of the embodiment is only used to help understand the technical scheme and core idea of the application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.

It is important to note that the construction and arrangement of the application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present application. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present applications. Therefore, the application is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the application, or those not associated with practicing the application).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered in the scope of the claims of the present application.

Claims

1. A self-heat dissipation structure of a photovoltaic inverter, comprising:

the main body structure (100) comprises an outer shell (101) and an inner shell (101 a) arranged in the outer shell, wherein an inverter body (102) is arranged in the inner shell (101 a), and a photovoltaic panel (103) is arranged above the outer shell (101);

the heat dissipation assembly (200) is arranged between the outer shell (101) and the inner shell (101 a) and comprises a ventilation pipe (201) arranged on the upper surface of the inner shell (101 a) and a rotary sleeve (202) arranged in the ventilation pipe (201), and a plurality of rotary rods (202 a) are arranged outside the rotary sleeve (202);

the dust removal assembly (300) is arranged on two sides of the shell (101), and comprises a ventilation box (301) arranged on two opposite sides of the shell (101), and a dust removal net (304) arranged in the ventilation box (301), wherein a lifting plate (305) is arranged in the ventilation box (301).

2. The self-heat-dissipating structure of a photovoltaic inverter according to claim 1, wherein a heat-conducting copper pipe (203) is disposed in the rotating sleeve (202), one end of the heat-conducting copper pipe (203) extends into the inner shell (101 a) and is connected with the inverter body (102), a photovoltaic panel (103) is disposed at the top end of the outer shell (101), the other end of the heat-conducting copper pipe (203) protrudes out of the upper surface of the outer shell (101) and is connected with the photovoltaic panel (103), and a plurality of heat-dissipating fins (102 a) are disposed on two opposite sides of the inverter body (102).

3. The self-heat-dissipating structure of a photovoltaic inverter according to claim 2, wherein a rotating sleeve (203 a) is connected to the outer side of the heat conduction copper tube (203), a plurality of balls (203 b) are arranged on the outer side of the rotating sleeve (203 a), the balls (203 b) are distributed on the outer surface of the rotating sleeve (203 a), a copper plate (203 c) with an arc-shaped structure is arranged on the outer side of the rotating sleeve (203 a), and the copper plate (203 c) is in contact with the heat conduction copper tube (203).

4. A self-heat dissipation structure of a photovoltaic inverter according to claim 3, characterized in that a cavity (202 b) is arranged inside the rotating rod (202 a), a sealing block (202 d) is arranged inside the cavity (202 b), the cross section of the sealing block (202 d) is matched with the cross section outline of the cavity (202 b), and a return spring (202 e) is arranged between the lower surface of the sealing block (202 d) and the cavity (202 b).

5. The self-heat dissipation structure of a photovoltaic inverter according to claim 4, wherein a heat conduction rod (202 c) is disposed in the cavity (202 b), one end of the heat conduction rod (202 c) extends to the inner wall of the rotating sleeve (202) and contacts with the copper plate (203 c), the return spring (202 e) is sleeved on the outer side of the heat conduction rod (202 c), an iron block (201 a-1) is connected to the side surface of one end of the rotating rod (202 a) away from the rotating sleeve (202), and a magnet (201 b) is disposed on the inner wall of the ventilation pipe (201).

6. The self-heat dissipation structure of a photovoltaic inverter according to claim 5, wherein an inner air hole (301 a) and an outer air hole (301 a-1) are formed in the ventilation box (301), the inner air hole (301 a) is communicated with the inner wall of the housing (101), a groove (301 b-1) is formed in the lower surface of the ventilation box (301), two partition boards (301 c) are arranged in the ventilation box (301), a lifting groove (301 c-1) is formed in the partition boards (301 c), a plurality of limiting blocks (303) are arranged in the ventilation box (301), extension plates are arranged on two sides of the lifting plate (305), a sliding groove (301 b) is formed in one side of the ventilation box (301), one end of the extension plate protrudes out of the outer side of the ventilation box (301) through the lifting groove (301 c-1) and the sliding groove (301 b), two guide posts (302) are arranged in the ventilation box (301), a limiting hole (305 d) is formed in the extension plate, and the limiting hole (305) is matched with the guide post (302) in large cross section.

7. The self-heat-dissipation structure of a photovoltaic inverter according to claim 6, wherein a fan (302 c) is installed in the ventilation box (301), a ratchet wheel (302 d) is arranged on a rotating shaft of the fan (302 c), a connecting rod (302 a) with an L-shaped structure is connected to one side of the lifting plate (305), a driving plate (302 b) is connected to one end of the connecting rod (302 a), a driving groove (302 b-1) is formed in one side of the driving plate (302 b), a tooth plate (302 b-3) is arranged in the driving groove (302 b-1), a driving spring (302 b-2) is arranged between the tooth plate (302 b-3) and the driving groove (302 b-1), and teeth on the tooth plate (302 b-3) are mutually matched with the ratchet wheel (302 d).

8. The self-heat-dissipation structure of a photovoltaic inverter according to claim 7, wherein a storage groove (305 a) is formed in one side, close to the dust removal net (304), of the lifting plate (305), a scraping plate (305 b) is arranged in the storage groove (305 a), a brush is arranged outside the scraping plate (305 b), an ejector rod (305 c) is connected to one side of the lower surface of the scraping plate (305 b), a device cavity is formed in the lifting plate (305), a large gear (306) is connected in the device cavity through bearing fit, a small gear (306 a) is connected to the surface of the large gear (306), teeth matched with the small gear (306 a) are formed in the side face of the ejector rod (305 c), a pressing groove (307) is formed in the lifting plate (305), a pressing rod (307 b) matched with the pressing groove is arranged in the pressing groove (307), and meshing teeth matched with the large gear (306) are formed in one side of the pressing rod (307 b).

9. The self-heat dissipation structure of a photovoltaic inverter according to claim 8, wherein a compression spring (307 a) is disposed between the pressing rod (307 b) and the pressing groove (307), one end of the pressing rod (307 b) protrudes out of one side of the extending plate and is connected with a pressing plate (308), a moving groove (309) is formed in the extending plate, a moving rod (308 a) is disposed in the moving groove (309), one end of the moving rod (308 a) is connected with the pressing plate (308), a pressing groove (308 a-1) is formed in the moving rod (308 a), a pressing block (308 a-2) is disposed on an inner wall of the pressing groove (308 a-1), an ejector groove (309 a) which is communicated with the moving groove (309) is formed in a surface of the extending plate, an ejector block (309 c) is disposed in the ejector groove (309 a), a side face of the ejector block (309 c) is provided with a pressing hole (309 c-1), and a protruding out of the outer surface of the extending plate (309 d) is formed on an inner wall of the box (301 b).

10. The method of using a self-heat dissipating structure of a photovoltaic inverter of claim 9, comprising the steps of:

s3, blowing and radiating, namely enabling the rotating rod to rotate so as to enable air flow to be formed between the shell and underpants, blowing and radiating the radiating fins, communicating with the outside through the ventilation box, and carrying out heat exchange on the inverter body;