CN114126379A

CN114126379A - Photovoltaic inverter with efficient heat dissipation function

Info

Publication number: CN114126379A
Application number: CN202111521472.8A
Authority: CN
Inventors: 刘儒寿
Original assignee: Foshan Yangbang Optoelectronics Technology Co ltd
Current assignee: Foshan Yangbang Optoelectronics Technology Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-03-01

Abstract

The invention belongs to the field of inverters, and particularly relates to a photovoltaic inverter capable of efficiently dissipating heat; the air conditioner comprises an inverter body, a fan and an air inlet assembly; the bottom of the inverter body is provided with a heat dissipation groove; a fan is arranged on the side surface of one side of the inverter body at the position of the heat dissipation groove; the side surface of the other side of the inverter body is provided with air inlets which are uniformly distributed; the air inlet components are fixedly connected with the air inlet positions inside the inverter body; the invention effectively realizes automatic adjustment of the effective filtering area of the filter plate of the photovoltaic inverter, meets the air filtering requirements under different heat dissipation conditions, can meet the normal circulation of air by automatically increasing the filtering surface of the filter plate when the local surface of the filter plate is blocked, and can automatically clean foreign matters filtered from the surface of the filter plate in the sliding process of the sliding block, thereby reducing the flow resistance of air and improving the heat dissipation efficiency.

Description

Photovoltaic inverter with efficient heat dissipation function

Technical Field

The invention belongs to the field of inverters, and particularly relates to a photovoltaic inverter capable of efficiently dissipating heat.

Background

If the photovoltaic inverter has poor heat dissipation performance, when the photovoltaic inverter continuously works, the heat of the components is collected in the cavity, and the temperature of the components is higher and higher. Excessive temperature can reduce the performance and the service life of components, and the machine is easy to break down.

In the photovoltaic inverter disclosed by the invention, the inversion power unit with more heat generation quantity adopts the independent air channel for heat dissipation and is arranged at the upstream of the first air channel, so that cold air can timely dissipate heat of the inversion power unit, and further the heat dissipation efficiency of the inversion power unit is improved.

In the prior art, in order to solve the heat dissipation problem of the photovoltaic inverter, the inside of the photovoltaic inverter is provided with the fan to satisfy the heat dissipation of the photovoltaic inverter, but when the internal temperature of the photovoltaic inverter is higher, the heat dissipation can be accelerated only by accelerating the rotation speed of the fan, and the heat dissipation effect is limited.

Therefore, the invention provides a single-phase brushless direct current motor.

Disclosure of Invention

To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.

The technical scheme adopted by the invention for solving the technical problems is as follows: the photovoltaic inverter capable of efficiently dissipating heat comprises an inverter body, a fan and an air inlet assembly; the bottom of the inverter body is provided with a heat dissipation groove; a fan is arranged on the side surface of one side of the inverter body at the position of the heat dissipation groove; the side surface of the other side of the inverter body is provided with air inlets which are uniformly distributed; the air inlet components are fixedly connected with the air inlet positions inside the inverter body; the air inlet component comprises a supporting shell, a sliding block and a filtering plate; mounting grooves are formed in the bottom surface of the supporting shell; the notch positions of the mounting grooves are fixedly connected with filter plates; sliding blocks are connected inside the mounting grooves in a sliding mode; the side surface of the sliding block, which is far away from the air inlet, is fixedly connected with an elastic part; when the photovoltaic inverter is in work, the fan is controlled to rotate, external air can be led into the inverter body through the air inlet by the fan, meanwhile, the air is led out through the position of the fan, so that the internal air of the inverter body continuously flows, heat dissipation is accelerated, the air inlet assembly is arranged at the position of the air inlet, the rotating speed of the fan is slower through the air inlet assembly when the internal temperature of the photovoltaic inverter is relatively low, at the moment, the sliding block can slide towards the position of the air inlet under the elastic action of the elastic piece, meanwhile, when the temperature rises, the rotating speed of the fan is accelerated, further, under the action of air flow, the sliding block slides and extrudes the elastic piece, when the sliding block slides, the sliding block can automatically clean the surface of the filter plate, meanwhile, through the sliding adjustment of the sliding block, the filtering surface of the filter plate automatically changes, and further, when the local part of the filter plate is blocked, the filtering surface of the filter plate can be timely adjusted, the invention can effectively realize the automatic adjustment of the effective filtering area of the filter plate of the photovoltaic inverter, meet the air filtering requirements under different heat dissipation conditions, simultaneously can meet the normal circulation of air by automatically increasing the filtering surface of the filter plate when the local surface of the filter plate is blocked, and can automatically clean the foreign matters filtered from the surface of the filter plate in the sliding process of the sliding block, thereby reducing the flow resistance of the air and improving the heat dissipation efficiency.

Preferably, the elastic element comprises a guide block, a guide post, a sliding plug and a spring; a guide groove is formed in the guide block; a sliding plug is connected inside the guide groove in a sliding manner; the side surface of one side of the sliding plug, which is far away from the air inlet, is fixedly connected with a guide pillar, the guide pillar is in sliding connection with the guide block, and the guide pillar is fixedly connected with the support shell; the side surfaces of the sliding plugs at one side of the guide columns are fixedly connected with springs; the inner part of the guide block is connected with a connecting pipe at the position of the spring; the end part of the connecting pipe is connected with a pressure regulating block, and the pressure regulating block is positioned close to a heating source inside the inverter body; the pressure regulating block comprises a shell, a sliding plate and an elastic sheet; a sliding plate is connected inside the shell in a sliding manner; the side surfaces of the sliding plates, which are far away from the connecting pipe, are fixedly connected with elastic pieces; the elastic sheet is made of a memory alloy material; the during operation, through setting up the pressure regulating piece, place the source position that generates heat in the dc-to-ac converter body through with the pressure regulating piece, when near the temperature of pressure regulating piece is higher, the inside elastic sheet that has memory ability of pressure regulating piece can extend automatically, and then the pressure regulating piece can drive the slide motion, realize the inside of the leading-in guide block of the inside gas of shell through connecting the pipe, make the inside of the automatic interior income guide block of guide pillar, the elastic component is whole to be shrunk, the slider can the self-sliding this moment, the effective filtering surface of filter increases, can improve the filtration efficiency to the air, satisfy the heat dissipation demand, through the pressure regulating piece, can be more effectual according to the temperature variation of heat source, carry out quick adjustment to the slide.

Preferably, the surface of the shell is fixedly connected with a temperature sensor; an electric push rod is fixedly connected to the position of the elastic sheet inside the shell; the top surface of the supporting shell is provided with flow guide holes; the during operation, through setting up temperature sensor and electric putter, because temperature sensor directly is located the surface of shell, when the inside high temperature of photovoltaic inverter, temperature sensor can output signal, through control system, control electric putter is ejecting fast, electric putter can direct level pressure slide, and then the air guide effect through the connecting pipe, make elastic component shrink and slider remove, the water conservancy diversion hole is automatic to be opened this moment, the leading-in air of air inlet can directly get into photovoltaic inverter's inside through the water conservancy diversion hole, need not to filter the air, a use for under the emergency, avoid photovoltaic inverter high temperature and burn out.

Preferably, the surface of the inverter body is fixedly connected with support rods at the bottom of the filter plate; the surface of the supporting rod is fixedly connected with reverse spray heads which are uniformly arranged; a guide pipe is connected to the position, close to the sliding block, inside the guide groove of the guide block, and the guide pipe and the reverse spray head are communicated with each other; during operation, through setting up bracing piece and reverse shower nozzle, during the elastic component shrink, the inside gas of elastic component can be through the leading-in reverse shower nozzle of pipe to spout towards the bottom of filter through reverse shower nozzle, realize carrying out reverse clearance to the filter.

Preferably, the filter plate comprises a corrugated plate and a telescopic filter plate; the telescopic filter disc is positioned at the bottom of the corrugated sheet, the telescopic filter disc is fixedly connected with the surface of the wave trough position of the corrugated sheet, and the side surface of the corrugated sheet is fixedly connected with the sliding block; the surface of the telescopic filter disc is provided with uniformly distributed filter holes; through holes which are uniformly distributed are formed in the surface of the corrugated sheet; during operation, through setting up corrugated sheet and flexible filter element, when the slider slides, the slider can drive the corrugated sheet and warp, and the corrugated sheet and then can drive flexible filter element and stretch out and draw back and warp for the size of crossing the filtration pore changes, and when the temperature is higher, through tensile flexible filter element, and then enlarges the filtration pore, improves the flow efficiency of air, satisfies the heat dissipation needs.

Preferably, the through holes are all positioned close to the wave crests of the corrugated sheet; sealing columns which are uniformly arranged are arranged between the corrugated sheet and the telescopic filter sheet; during operation, through setting up sealed post, when the corrugated sheet shrink warp, the sealed post can be extruded to the corrugated sheet, can carry out the shutoff to the through-hole through sealed post, has avoided under normal temperature condition, and the foreign matter in the air passes through the leading-in flexible filter disc position of through-hole, influences the long-time normal filtration work of filtration shell fragment.

Preferably, an elastic rope is connected between the sealing column and the corrugated sheet; during operation, through setting up the elasticity rope, normal filter work during, gaseous bottom position that can be continuous through the leading-in corrugated sheet of through-hole, and then can blow sealed post, because sealed post passes through the elasticity rope fixed, under the blowing of air current, sealed post can be continuous sways for collision between sealed post and the corrugated sheet promotes the derivation of through-hole and the inside foreign matter in filtration pore.

Preferably, the interior of the inverter body is fixedly connected with uniformly arranged vibration components at the top of the corrugated sheet; the vibration component comprises a fixed block, a moving block and a rotating wheel; the fixed block is fixedly connected with the inverter body; the bottom surfaces of the fixed blocks are provided with moving grooves; moving blocks are connected to the inner parts of the moving grooves in a sliding mode; elastic pieces are fixedly connected between the moving blocks and the bottoms of the corresponding moving grooves; the bottom surface of the moving block is designed into a V-shaped structure; the bottom surfaces of the moving blocks are fixedly connected with rotating wheels; during operation, through setting up the vibrations subassembly, when the flexible deformation of corrugated plate, the runner of vibrations subassembly can be extruded to the corrugated plate, and the runner rotates and avoids producing great resistance to the corrugated plate, and the runner can drive the movable block upward movement simultaneously to extrude the shell fragment, make the corrugated plate of flexible deformation, produce vibrations, and then promote the flocculent impurity of corrugated plate top surface and drop, promote the inside impurity derivation of corrugated plate surface through-hole simultaneously.

Preferably, the surfaces of the sealing columns are provided with vent holes which are uniformly distributed; cavities are formed in the sealing columns; drying agents are arranged inside the cavity; during operation, through the inside drier that sets up at sealed post, when the outside air led in through the through-hole, the air can pass through sealed post, and then with the inside drier contact of sealed post, can effectually absorb the moisture in the air through the drier, promotes the air drying to leading-in photovoltaic inverter inside, guarantees photovoltaic inverter normal operating under humid environment.

Preferably, the inner surface of the sealing column is fixedly connected with a vent pipe at the position of the vent hole; the surfaces of the vent pipes are provided with branch holes which are uniformly distributed; during operation, through setting up the breather pipe in the inside of sealed post to the branch hole is seted up to the side of breather pipe, and the air can fully contact through breather pipe and the inside drier of sealed post, makes the drier that is located sealed post inside all can obtain effectual utilization.

The invention has the following beneficial effects:

1. according to the photovoltaic inverter with high-efficiency heat dissipation, the inverter body, the fan and the air inlet assembly are arranged, and the air inlet assembly is installed, so that the effective filtering area of the filtering plate of the photovoltaic inverter is effectively and automatically adjusted, the air filtering requirements under different heat dissipation conditions are met, meanwhile, when the local surface of the filtering plate is blocked, the normal circulation of air can be met by automatically increasing the filtering surface of the filtering plate, in the sliding process of the sliding block, foreign matters filtered from the surface of the filtering plate can be automatically cleaned, the flow resistance of air is reduced, and the heat dissipation efficiency is improved.

2. According to the photovoltaic inverter with the efficient heat dissipation function, the sealing column and the elastic rope are arranged, when the corrugated sheet contracts and deforms, the sealing column can be extruded by the corrugated sheet, the through hole can be plugged through the sealing column, the problem that foreign matters in air are led into the position of the telescopic filter sheet through the through hole under the normal temperature condition to influence long-time normal filtering work of the filter elastic sheet is avoided, during normal filtering work, gas can be continuously led into the bottom position of the corrugated sheet through the through hole and further can blow the sealing column, and the sealing column is fixed through the elastic rope and can continuously swing under the blowing of airflow, so that the sealing column collides with the corrugated sheet, and the leading-out of the foreign matters in the through hole and the filter hole is promoted.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the air intake assembly and the pressure regulating block of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a partial enlarged view of FIG. 4 at B;

in the figure: the air conditioner comprises an inverter body 1, a fan 2, an air inlet assembly 3, a supporting shell 4, a sliding block 5, a filtering plate 6, an elastic piece 7, a guide block 8, a guide post 9, a sliding plug 10, a spring 11, a connecting pipe 12, a pressure regulating block 13, a shell 14, a sliding plate 15, an elastic piece 16, a temperature sensor 17, an electric push rod 18, a flow guide hole 19, a supporting rod 20, a reverse spray head 21, a guide pipe 22, a corrugated piece 23, a telescopic filtering piece 24, a filtering hole 25, a through hole 26, a sealing column 27, an elastic rope 28, a vibration assembly 29, a fixing block 30, a moving block 31, a rotating wheel 32, a vent pipe 33 and a support hole 34.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

As shown in fig. 1-3, a photovoltaic inverter with high heat dissipation efficiency according to an embodiment of the present invention includes an inverter body 1, a fan 2, and an air intake assembly 3; the bottom of the inverter body 1 is provided with a heat dissipation groove; a fan 2 is arranged on the side surface of one side of the inverter body 1 at the position of the heat dissipation groove; the side surface of the other side of the inverter body 1 is provided with air inlets which are uniformly distributed; the air inlet components 3 are fixedly connected with the air inlet positions in the inverter body 1; the air inlet component 3 comprises a supporting shell 4, a sliding block 5 and a filter plate 6; mounting grooves are formed in the bottom surface of the supporting shell 4; the notch positions of the mounting grooves are fixedly connected with filter plates 6; the inner parts of the mounting grooves are all connected with sliding blocks 5 in a sliding manner; the side surfaces of the sliding blocks 5, which are far away from the air inlet, are fixedly connected with elastic pieces 7; when the photovoltaic inverter works, the fan 2 is controlled to rotate, external air can be led into the inverter body 1 through the air inlet by the fan 2, meanwhile, the air is led out through the position of the fan 2, so that the internal air of the inverter body 1 continuously flows, heat dissipation is accelerated, the air inlet component 3 is arranged at the position of the air inlet, the rotating speed of the fan 2 is slower through the air inlet component 3 when the internal temperature of the photovoltaic inverter is relatively low, at the moment, the sliding block 5 can slide towards the position of the air inlet under the elastic force action of the elastic component 7, meanwhile, when the temperature rises, the rotating speed of the fan 2 is accelerated, further, under the action of air flow, the sliding block 5 slides and extrudes the elastic component 7, when the sliding block 5 slides, the sliding block 5 can automatically clean the surface of the filter plate 6, meanwhile, through the sliding adjustment of the sliding block 5, the filter surface of the filter plate 6 automatically changes, and further, when the filter plate 6 is locally blocked, the filter surface of the filter plate 6 can be adjusted in time, the air filtering requirement is met, the foreign matters in the air are prevented from being led into the photovoltaic inverter, and further the normal work of the inverter is influenced, the automatic adjustment of the effective filtering area of the filter plate 6 of the photovoltaic inverter is effectively realized through the invention, the air filtering requirements under different heat dissipation conditions are met, meanwhile, when the local surface of the filter plate 6 is blocked, the normal circulation of the air can be met by automatically increasing the filtering surface of the filter plate 6, in the sliding process of the sliding block 5, the foreign matters filtered from the surface of the filter plate 6 can be automatically cleaned, the flow resistance of the air is reduced, and the heat dissipation efficiency is improved.

The elastic part 7 comprises a guide block 8, a guide post 9, a sliding plug 10 and a spring 11; a guide groove is formed in the guide block 8; a sliding plug 10 is connected inside the guide groove in a sliding manner; the side surface of the sliding plug 10, which is far away from the air inlet, is fixedly connected with a guide pillar 9, the guide pillar 9 is in sliding connection with the guide block 8, and the guide pillar 9 is fixedly connected with the support shell 4; the side surface of one side of the guide post 9 of the sliding plug 10 is fixedly connected with a spring 11; a connecting pipe 12 is connected with the inside of the guide block 8 at the position of a spring 11; the end part of the connecting pipe 12 is connected with a pressure regulating block 13, and the pressure regulating block 13 is positioned close to the internal heating source of the inverter body 1; the pressure regulating block 13 comprises a shell 14, a sliding plate 15 and an elastic sheet 16; a sliding plate 15 is slidably connected to the inside of the shell 14; the side surfaces of the sliding plates 15, which are far away from the connecting pipe 12, are fixedly connected with elastic sheets 16; the elastic sheet 16 is made of a memory alloy material; during operation, through setting up pressure regulating block 13, place in the source position that generates heat of dc-to-ac converter body 1 through pressure regulating block 13, when near the temperature of pressure regulating block 13 is higher, the inside flexure strip 16 that has memory ability of pressure regulating block 13 can extend automatically, and then pressure regulating block 13 can drive the motion of slide 15, realize the inside gas of shell 14 through the leading-in guide block 8 of connecting pipe 12, make the inside of guide block 8 of adduction in guide pillar 9 automation, flexure strip 7 is whole to shrink, slider 5 can the automatic sliding this moment, the effective cross section of filtration of filter 6 increases, can improve the filtration efficiency to the air, satisfy the heat dissipation demand, through pressure regulating block 13, can be more effectual temperature variation according to the heat source, carry out quick adjustment to slide 15.

The surface of the shell 14 is fixedly connected with a temperature sensor 17; an electric push rod 18 is fixedly connected to the position of the elastic sheet 16 in the shell 14; the top surface of the supporting shell 4 is provided with flow guide holes 19; during operation, through setting up temperature sensor 17 and electric putter 18, because temperature sensor 17 is directly located the surface of shell 14, when the inside high temperature of photovoltaic inverter, temperature sensor 17 can output signal, through control system, control electric putter 18 is ejecting fast, electric putter 18 can direct level pressure slide 15, and then the air guide effect through connecting pipe 12, make elastic component 7 shrink and slider 5 remove, water conservancy diversion hole 19 is automatic to be opened this moment, the leading-in air of through the air inlet can directly get into the inside of photovoltaic inverter through water conservancy diversion hole 19, need not to filter the air, a use under the emergency, avoid the too high temperature of photovoltaic inverter and burn out.

The surface of the inverter body 1 is fixedly connected with support rods 20 at the bottom positions of the filter plates 6; the surface of the supporting rod 20 is fixedly connected with reverse spray heads 21 which are uniformly arranged; a guide pipe 22 is connected to the position, close to the sliding block 5, in the guide groove of the guide block 8, and the guide pipe 22 and the reverse spray head 21 are communicated with each other; during operation, through setting up bracing piece 20 and reverse direction shower nozzle 21, when the elastic component 7 shrink, the inside gas of elastic component 7 can pass through the leading-in reverse direction shower nozzle 21 of pipe 22 to spout towards the bottom of filter 6 through reverse direction shower nozzle 21, realize carrying out reverse clearance to filter 6.

As shown in fig. 3 and 4, the filter plate 6 includes a corrugated sheet 23 and a telescopic filter sheet 24; the telescopic filter disc 24 is positioned at the bottom of the corrugated disc 23, the telescopic filter disc 24 is fixedly connected with the surface of the wave trough position of the corrugated disc 23, and the side surface of the corrugated disc 23 is fixedly connected with the sliding block 5; the surface of the telescopic filter disc 24 is provided with uniformly arranged filter holes 25; through holes 26 are uniformly distributed on the surface of the corrugated sheet 23; during operation, through setting up corrugated sheet 23 and flexible filter plate 24, when slider 5 slided, slider 5 can drive corrugated sheet 23 and warp, and corrugated sheet 23 and then can drive flexible filter plate 24 and stretch out and draw back and warp for the size of filtration pore 25 changes, and when the temperature was higher, through tensile flexible filter plate 24, and then enlarges filtration pore 25, improves the flow efficiency of air, satisfies the heat dissipation needs.

The through holes 26 are all positioned close to the wave crest of the corrugated sheet 23; sealing columns 27 which are uniformly arranged are arranged between the corrugated sheet 23 and the telescopic filter sheet 24; during operation, through setting up sealed post 27, when corrugated sheet 23 shrink warp, sealed post 27 can be extruded to corrugated sheet 23, can carry out the shutoff to through-hole 26 through sealed post 27, has avoided under the normal temperature condition, and the foreign matter in the air passes through the leading-in flexible filter element 24 position of through-hole 26, influences the long-time normal filtration work of filtration shell fragment.

An elastic rope 28 is connected between the sealing column 27 and the corrugated sheet 23; during operation, through setting up elasticity rope 28, normal filter work during, gaseous bottom position that can be continuous through the leading-in corrugated sheet 23 of through-hole 26, and then can blow sealed post 27, because sealed post 27 passes through elasticity rope 28 fixed, under the blowing of air current, sealed post 27 can be continuous sways for collide between sealed post 27 and the corrugated sheet 23, promote the derivation of through-hole 26 and the inside foreign matter of filtration pore 25.

The interior of the inverter body 1 is fixedly connected with vibration components 29 which are uniformly arranged at the top positions of the corrugated sheets 23; the vibration component 29 comprises a fixed block 30, a moving block 31 and a rotating wheel 32; the fixed block 30 is fixedly connected with the inverter body 1; the bottom surfaces of the fixed blocks 30 are provided with moving grooves; the moving blocks 31 are connected to the inner parts of the moving grooves in a sliding manner; elastic pieces are fixedly connected between the moving block 31 and the bottom of the corresponding moving groove; the bottom surface of the moving block 31 is designed into a V-shaped structure; the bottom surfaces of the moving blocks 31 are fixedly connected with rotating wheels 32; during operation, through setting up vibrations subassembly 29, when the flexible deformation of corrugated plate 23, corrugated plate 23 can extrude vibrations subassembly 29's runner 32, and runner 32 rotates and avoids producing great resistance to corrugated plate 23, and runner 32 can drive movable block 31 upward movement simultaneously to extrude the shell fragment, make the corrugated plate 23 of flexible deformation, produce vibrations, and then promote the flocculent impurity of corrugated plate 23 top surface and drop, promote simultaneously that the inside impurity of corrugated plate 23 surface through-hole 26 is derived.

Example two

As shown in fig. 5, a first comparative example, in which another embodiment of the present invention is: the surfaces of the sealing columns 27 are all provided with vent holes which are uniformly distributed; cavities are formed in the sealing columns 27; drying agents are arranged inside the cavity; during operation, through the inside drier that sets up at sealed post 27, when the outside air led in through-hole 26, the air can pass through sealed post 27, and then with the inside drier contact of sealed post 27, can effectually absorb the moisture in the air through the drier, promote the air drying to leading-in photovoltaic inverter inside, guarantee photovoltaic inverter under humid environment normal operating.

The inner surface of the sealing column 27 is fixedly connected with a vent pipe 33 at the position of the vent hole; the surface of the vent pipe 33 is provided with branch holes 34 which are uniformly distributed; during operation, the vent pipe 33 is arranged in the sealing column 27, and the branch hole 34 is formed in the side surface of the vent pipe 33, so that air can fully contact with the desiccant in the sealing column 27 through the vent pipe 33, and the desiccant in the sealing column 27 can be effectively utilized.

When the photovoltaic inverter works, the fan 2 is controlled to rotate, external air can be led into the inverter body 1 through the air inlet by the fan 2, meanwhile, the air is led out through the position of the fan 2, so that the internal air of the inverter body 1 continuously flows, heat dissipation is accelerated, the air inlet component 3 is arranged at the position of the air inlet, the rotating speed of the fan 2 is slower through the air inlet component 3 when the internal temperature of the photovoltaic inverter is relatively low, at the moment, the sliding block 5 can slide towards the position of the air inlet under the elastic force action of the elastic component 7, meanwhile, when the temperature rises, the rotating speed of the fan 2 is accelerated, further, under the action of air flow, the sliding block 5 slides and extrudes the elastic component 7, when the sliding block 5 slides, the sliding block 5 can automatically clean the surface of the filter plate 6, meanwhile, through the sliding adjustment of the sliding block 5, the filter surface of the filter plate 6 automatically changes, and further, when the filter plate 6 is locally blocked, the filtering surface of the filtering plate 6 can be adjusted in time, so that the air is required to be filtered, and foreign matters in the air are prevented from being introduced into the photovoltaic inverter, and further the normal work of the inverter is prevented from being influenced; by arranging the pressure regulating block 13, the pressure regulating block 13 is placed at the heating source position of the inverter body 1, when the temperature near the pressure regulating block 13 is higher, the elastic sheet 16 with memory capacity in the pressure regulating block 13 can automatically extend, and then the pressure regulating block 13 can drive the sliding plate 15 to move, so that the gas in the shell 14 is guided into the guide block 8 through the connecting pipe 12, the guide pillar 9 is automatically retracted into the guide block 8, the elastic piece 7 is integrally contracted, the sliding block 5 can automatically slide at the moment, the effective filtering surface of the filtering plate 6 is increased, the filtering efficiency of air can be improved, the heat dissipation requirement is met, and the pressure regulating block 13 can more effectively and quickly regulate the sliding plate 15 according to the temperature change of a heat source; by arranging the temperature sensor 17 and the electric push rod 18, because the temperature sensor 17 is directly positioned on the surface of the shell 14, when the temperature in the photovoltaic inverter is too high, the temperature sensor 17 can output signals, the electric push rod 18 is controlled to be ejected out quickly by the control system, the electric push rod 18 can directly and constantly press the sliding plate 15, and further, through the air guide effect of the connecting pipe 12, the elastic part 7 is contracted and the sliding block 5 moves, at the moment, the guide hole 19 is automatically opened, air introduced through the air inlet can directly enter the photovoltaic inverter through the guide hole 19, the air does not need to be filtered, the photovoltaic inverter is used in an emergency, and the photovoltaic inverter is prevented from being burnt due to the too high temperature; by arranging the supporting rod 20 and the reverse sprayer 21, when the elastic piece 7 contracts, the gas in the elastic piece 7 is guided into the reverse sprayer 21 through the guide pipe 22 and is sprayed out towards the bottom of the filter plate 6 through the reverse sprayer 21, so that the filter plate 6 is reversely cleaned; by arranging the corrugated sheet 23 and the telescopic filter sheet 24, when the sliding block 5 slides, the sliding block 5 can drive the corrugated sheet 23 to deform, the corrugated sheet 23 can further drive the telescopic filter sheet 24 to deform in a telescopic way, so that the size of the filter hole 25 is changed, and when the temperature is higher, the telescopic filter sheet 24 is stretched, so that the filter hole 25 is enlarged, the flowing efficiency of air is improved, and the heat dissipation requirement is met; by arranging the sealing column 27, when the corrugated sheet 23 contracts and deforms, the sealing column 27 can be extruded by the corrugated sheet 23, and the through hole 26 can be plugged by the sealing column 27, so that the phenomenon that foreign matters in the air are led into the position of the telescopic filter sheet 24 through the through hole 26 under the normal temperature condition to influence the long-time normal filtering work of the filter elastic sheet is avoided; through the arrangement of the elastic rope 28, during normal filtering work, gas can be continuously guided into the bottom position of the corrugated sheet 23 through the through hole 26, and then the sealing column 27 can be blown, and as the sealing column 27 is fixed through the elastic rope 28, under the blowing of air flow, the sealing column 27 can continuously swing, so that the sealing column 27 collides with the corrugated sheet 23, and the guiding-out of foreign matters in the through hole 26 and the filtering hole 25 is promoted; by arranging the vibration component 29, when the corrugated sheet 23 is deformed in a telescopic manner, the corrugated sheet 23 can extrude the rotating wheel 32 of the vibration component 29, the rotating wheel 32 rotates to avoid generating large resistance to the corrugated sheet 23, and meanwhile, the rotating wheel 32 can drive the moving block 31 to move upwards and extrude the elastic sheet, so that the corrugated sheet 23 deformed in a telescopic manner vibrates, flocculent impurities on the top surface of the corrugated sheet 23 are promoted to fall off, and meanwhile, impurities in the through hole 26 on the surface of the corrugated sheet 23 are promoted to be led out; by arranging the drying agent in the sealing column 27, when external air is introduced through the through hole 26, the air can pass through the sealing column 27 and then contact with the drying agent in the sealing column 27, moisture in the air can be effectively absorbed through the drying agent, the air introduced into the photovoltaic inverter is promoted to be dried, and the normal operation of the photovoltaic inverter in a humid environment is ensured; through the inside drier that sets up at sealed post 27, when the outside air led in through-hole 26, the air can pass through sealed post 27, and then with the inside drier contact of sealed post 27, can effectually absorb the moisture in the air through the drier, promote the air drying to leading-in photovoltaic inverter inside, guarantee the normal operating of photovoltaic inverter under humid environment.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high-efficient radiating photovoltaic inverter which characterized in that: comprises an inverter body (1), a fan (2) and an air inlet component (3); the bottom of the inverter body (1) is provided with a heat dissipation groove; a fan (2) is arranged on the side surface of one side of the inverter body (1) at the position of the heat dissipation groove; the side surface of the other side of the inverter body (1) is provided with air inlets which are uniformly distributed; the air inlet components (3) are fixedly connected with the air inlet positions in the inverter body (1); the air inlet component (3) comprises a supporting shell (4), a sliding block (5) and a filter plate (6); mounting grooves are formed in the bottom surface of the supporting shell (4); the notch positions of the mounting grooves are fixedly connected with filter plates (6); the inner parts of the mounting grooves are all connected with sliding blocks (5) in a sliding manner; and the side surface of one side of the sliding block (5) departing from the air inlet is fixedly connected with an elastic part (7).

2. The high efficiency heat dissipating photovoltaic inverter of claim 1, wherein: the elastic piece (7) comprises a guide block (8), a guide post (9), a sliding plug (10) and a spring (11); a guide groove is formed in the guide block (8); a sliding plug (10) is connected in the guide groove in a sliding manner; the side surface of one side of the sliding plug (10) departing from the air inlet is fixedly connected with a guide pillar (9), the guide pillar (9) is in sliding connection with the guide block (8), and the guide pillar (9) is fixedly connected with the support shell (4); the side surface of the sliding plug (10) at one side of the guide post (9) is fixedly connected with a spring (11); a connecting pipe (12) is connected with the position of the spring (11) in the guide block (8); the end part of the connecting pipe (12) is connected with a pressure regulating block (13), and the pressure regulating block (13) is positioned close to the position of a heating source in the inverter body (1); the pressure regulating block (13) comprises a shell (14), a sliding plate (15) and an elastic sheet (16); a sliding plate (15) is connected to the inner part of the shell (14) in a sliding way; the side surface of the sliding plate (15) which deviates from the connecting pipe (12) is fixedly connected with an elastic sheet (16); the elastic sheet (16) is made of memory alloy material.

3. The high efficiency heat dissipating photovoltaic inverter of claim 2, wherein: the surface of the shell (14) is fixedly connected with a temperature sensor (17); an electric push rod (18) is fixedly connected with the position of the elastic sheet (16) in the shell (14); flow guide holes (19) are formed in the top surface of the supporting shell (4).

4. A high efficiency heat dissipating photovoltaic inverter as claimed in claim 3 wherein: the surface of the inverter body (1) is fixedly connected with support rods (20) at the bottom positions of the filter plates (6); the surface of the supporting rod (20) is fixedly connected with reverse spray heads (21) which are uniformly arranged; the guide groove of the guide block (8) is internally connected with a guide pipe (22) close to the slide block (5), and the guide pipe (22) and the reverse spray head (21) are communicated with each other.

5. The high efficiency heat dissipating photovoltaic inverter of claim 1, wherein: the filter plate (6) comprises a corrugated plate (23) and a telescopic filter plate (24); the telescopic filter disc (24) is positioned at the bottom of the corrugated disc (23), the telescopic filter disc (24) is fixedly connected with the surface of the wave trough position of the corrugated disc (23), and the side surface of the corrugated disc (23) is fixedly connected with the sliding block (5); the surface of the telescopic filter disc (24) is provided with uniformly distributed filter holes (25); through holes (26) are uniformly distributed on the surface of the corrugated sheet (23).

6. The high efficiency heat dissipating photovoltaic inverter of claim 5, wherein: the through holes (26) are all positioned close to the wave crest positions of the corrugated sheets (23); sealing columns (27) which are uniformly arranged are arranged between the corrugated sheet (23) and the telescopic filter sheet (24).

7. The high efficiency heat dissipating photovoltaic inverter of claim 6, wherein: an elastic rope (28) is connected between the sealing column (27) and the corrugated sheet (23).

8. The high efficiency heat dissipating photovoltaic inverter of claim 7, wherein: the top position of the corrugated sheet (23) in the inverter body (1) is fixedly connected with vibration components (29) which are uniformly arranged; the vibration component (29) comprises a fixed block (30), a moving block (31) and a rotating wheel (32); the fixed block (30) is fixedly connected with the inverter body (1); the bottom surfaces of the fixed blocks (30) are provided with moving grooves; moving blocks (31) are connected inside the moving grooves in a sliding manner; elastic pieces are fixedly connected between the moving block (31) and the bottom of the corresponding moving groove; the bottom surface of the moving block (31) is designed into a V-shaped structure; the bottom surfaces of the moving blocks (31) are fixedly connected with rotating wheels (32).

9. The high efficiency heat dissipating photovoltaic inverter of claim 8, wherein: the surfaces of the sealing columns (27) are provided with vent holes which are uniformly distributed; cavities are formed in the sealing columns (27); and drying agents are arranged in the cavity.

10. The high efficiency heat dissipating photovoltaic inverter of claim 9, wherein: the inner surface of the sealing column (27) is fixedly connected with a vent pipe (33) at the position of the vent hole; the surface of the vent pipe (33) is provided with branch holes (34) which are uniformly distributed.