CN116937933A

CN116937933A - Dustproof photovoltaic micro-inverter

Info

Publication number: CN116937933A
Application number: CN202310710606.3A
Authority: CN
Inventors: 肖金凤; 曹桂红; 黄志刚; 王坤
Original assignee: Shenzhen Zhixin Drive Technology Co ltd
Current assignee: Shenzhen Zhixin Drive Technology Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2023-10-24

Abstract

The invention discloses a dustproof photovoltaic micro-inverter, which comprises a shell, a U-shaped pipeline, a filtering device and a limiting device, wherein a cover plate is arranged on one side of the shell, a main body machine is arranged in the shell, the U-shaped pipeline is arranged in the shell, air inlets are formed in two ends of the shell, two ends of the U-shaped pipeline are communicated with the air inlets, filter elements are arranged at two ends of the U-shaped pipeline, an air outlet pipe is communicated with the middle part of the U-shaped pipeline, a drawing groove is formed in the middle part of the U-shaped pipeline, the filtering device is slidingly connected in the drawing groove, a drawing box is slidingly connected with the inner wall of the drawing groove, the limiting device is arranged in the drawing box, and a first fan is symmetrically and fixedly connected in the U-shaped pipeline.

Description

Dustproof photovoltaic micro-inverter

Technical Field

The invention relates to the technical field of inverters, in particular to a dustproof photovoltaic micro-inverter.

Background

The photovoltaic power generation is a technology for directly converting light energy into electric energy by utilizing the photovoltaic effect of a semiconductor interface, and mainly comprises a solar panel, a controller and an inverter, wherein main components are composed of electronic components, solar cells are packaged and protected after being connected in series to form a large-area solar cell assembly, and then the photovoltaic power generation device is formed by matching with the components such as a power controller and the like;

at present, the photovoltaic micro-inverter generally dissipates heat with heat exchange in the air, but long-term flowing of the air is that dust in the air enters the inverter, so that the dust is attached to equipment, the heat dissipation effect of the equipment is poor, even the equipment is short-circuited, a filter screen is added at a heat dissipation port, the filter screen also needs to be cleaned regularly, and when the filter screen is detached, the dust on the filter screen still cannot be prevented from falling into the inverter, so that the inverter is affected.

For this purpose, we propose a dust protected photovoltaic micro-inverter.

Disclosure of Invention

The invention aims to provide a dustproof photovoltaic micro-inverter so as to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a dust protected photovoltaic micro inverter, includes casing, U type pipeline, filter equipment and stop device, one side of casing is equipped with the apron, the inside of casing is equipped with the main part machine, the inside U type pipeline that is equipped with of casing, the inlet port has been seted up at the both ends of casing, the both ends and the inlet port switch-on of U type pipeline, the filter core is installed at the both ends of U type pipeline, the middle part switch-on of U type pipeline has the outlet duct, the draw-out groove has been seted up at the middle part of U type pipeline, draw-out groove inside sliding connection has filter equipment, draw-out groove inner wall sliding connection has the pull box, the inside stop device that is equipped with of pull box.

Preferably, the filtering device further comprises; first fan, second fan, the inside symmetrical fixedly connected with first fan of U type pipeline, outlet duct inner wall fixedly connected with second fan, pull box inner wall symmetrical fixedly connected with swash plate, first recess has been seted up to the inside bottom of U type pipeline, first recess inner wall rotation is connected with the threaded rod, the both ends symmetrical threaded connection of threaded rod has the screw slider, the middle part fixedly connected with gear of threaded rod, the bottom fixedly connected with rack of pull box, two the inclined plane is established to the one end that screw slider is close to each other.

Preferably, the limiting device comprises; second recess, spring, slider and fixture block, the second recess has been seted up to the bilateral symmetry of pull box, second recess inner wall fixedly connected with spring, second recess inner wall sliding connection has the slider, the one end fixedly connected with fixture block of slider, one side that the fixture block was kept away from to the slider and the one end fixedly connected with of spring, the bilateral symmetry fixedly connected with L type fixture block of pull box, L type fixture block and fixture block joint, dodge the groove has been seted up to one side symmetry of pull box, dodge groove and second recess switch-on, the one end fixedly connected with shifting block of fixture block, shifting block and dodge groove sliding connection.

Preferably, scale marks are arranged on the inner wall of the drawing box.

Preferably, a handle is fixedly connected to one side of the drawn box.

Preferably, air outlets are symmetrically formed in two sides of the shell, and the inner wall of each air outlet is rotationally connected with a closing plate.

Preferably, the closure plate is of hollow design.

Preferably, the threaded rod is a bidirectional threaded rod.

Compared with the prior art, the invention has the beneficial effects that: when the invention is used, the drawing box is designed in the U-shaped pipeline, and the two inclined plates on the drawing box are designed, so that when the first fan and the second fan feed air into the shell, the first fan and the second fan firstly feed water, then less dust in the air is completely filtered by the water, the dust in the air is completely filtered by the water through the filter element, the water filtration and the like, the dust in the air is completely filtered, the heat dissipation effect is improved through the input of the first fan and the second fan, and the clean air ensures the cleaning of the inside of the inverter.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing according to the present invention;

FIG. 3 is a second schematic view of the internal structure of the housing of the present invention;

FIG. 4 is a schematic view of the inclined plate structure of the filtering device of the present invention;

fig. 5 is a schematic diagram of the structure of the rack of the filtering device of the present invention.

In the figure: 1. a housing; 2. a cover plate; 3. a main body machine; 4. a U-shaped pipeline; 5. an air inlet hole; 6. a filter element; 7. an air outlet pipe; 8. a drawing groove; 9. a filtering device; 10. a limiting device; 11. scale marks; 12. a handle; 13. an air outlet; 14. a closing plate; 91. drawing the box; 92. a first fan; 94. a second fan; 95. a sloping plate; 96. a first groove; 97. a threaded rod; 98. a thread slider; 99. a gear; 910. a rack; 101. a second groove; 102. a spring; 103. a slide block; 104. a clamping block; 105. an L-shaped clamping block; 106. an avoidance groove; 107. and (5) a shifting block.

Detailed Description

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

Referring to fig. 1-5, a dustproof photovoltaic micro inverter includes a housing 1, a U-shaped pipeline 4, a filtering device 9 and a limiting device 10, a cover plate 2 is arranged on one side of the housing 1, a main body machine 3 is arranged inside the housing 1, the U-shaped pipeline 4 is arranged inside the housing 1, air inlets 5 are formed in two ends of the housing 1, two ends of the U-shaped pipeline 4 are communicated with the air inlets 5, a filter element 6 is mounted at two ends of the U-shaped pipeline 4, an air outlet pipe 7 is communicated with the middle of the U-shaped pipeline 4, a drawing groove 8 is formed in the middle of the U-shaped pipeline 4, the filtering device 9 is slidingly connected inside the drawing groove 8, a drawing box 91 is slidingly connected with the inner wall of the drawing groove 8, a limiting device 10 is arranged inside the drawing box 91, air outlets 13 are symmetrically formed in two sides of the housing 1, a closing plate 14 is rotationally connected to the inner wall of the air outlets 13, graduation lines 11 are arranged on the inner wall of the drawing box 91, one side of the drawing box 91 is fixedly connected with a handle 12, and the closing plate 14 is hollow.

Referring to fig. 2-5, the filtering device 9 further includes; first fan 92, second fan 94, the inside symmetry fixedly connected with first fan 92 of U type pipeline 4, outlet duct 7 inner wall fixedly connected with second fan 94, pull box 91 inner wall symmetry fixedly connected with swash plate 95, first recess 96 has been seted up to the inside bottom of U type pipeline 4, first recess 96 inner wall rotation is connected with threaded rod 97, threaded rod 97's both ends symmetry threaded connection has screw slider 98, the middle part fixedly connected with gear 99 of threaded rod 97, the bottom fixedly connected with rack 910 of pull box 91, two the one end that screw slider 98 is close to each other is established the inclined plane, threaded rod 97 is two-way threaded rod.

Referring to fig. 2-5, the limiting device 10 includes; second recess 101, spring 102, slider 103 and fixture block 104, second recess 101 has been seted up to the bilateral symmetry of pull box 91, second recess 101 inner wall fixedly connected with spring 102, second recess 101 inner wall sliding connection has slider 103, the one end fixedly connected with fixture block 104 of slider 103, one side that fixture block 104 was kept away from to slider 103 and the one end fixedly connected with of spring 102, the bilateral symmetry fixedly connected with L type fixture block 105 of pull box 91, L type fixture block 105 and fixture block 104 joint, dodge groove 106 has been seted up to the symmetry of one side of pull box 91, dodge groove 106 and second recess 101 switch-on, the one end fixedly connected with shifting block 107 of fixture block 104, shifting block 107 and dodge groove 106 sliding connection.

Working principle:

when the invention is used, clean water is firstly injected into the drawing box 91, the water level is flush with the scale mark 11, at the moment, the drawing box 91 is inserted into the drawing groove 8, along with the continuous inward movement of the drawing box 91, when the rack 910 at the bottom end of the drawing box 91 starts to be meshed with the gear 99, the rack 910 moves to continuously move the first gear 99 so as to drive the threaded rod 97 to rotate, because the threaded rod 97 is a bidirectional threaded rod, the threaded rod 97 continuously rotates, the threaded slide blocks 98 are matched with the first groove 96, the two threaded slide blocks 98 are mutually close, one end of the threaded slide blocks 98 is in an inclined plane design, the threaded slide blocks 98 are mutually close, the drawing box 91 is upwards propped, a gas-tight pipeline is formed between the two inclined plates 95 and the gas outlet pipe 7 through the sealing gasket on the drawing box 91, when the clamping block 104 is contacted with the L-shaped clamping block 105, when the drawing box 91 is pushed to enable the clamping block 104 to be in contact, the clamping block 104 pushes the spring 102, the clamping block 104 enters the second groove 101, when the clamping block 105 is clamped with the L-shaped clamping block 106, the drawing box 91 is installed, the first fan 92 and the second fan 94 are started simultaneously, air outside the shell 1 enters the U-shaped pipeline 4 through the air inlet holes 5, firstly, primary filtration is carried out through the filter core 6, then the outer sides of the two inclined plates 95 of the drawing box 91 are uniformly moved, when the first fan 92 and the second fan 94 are started, clear water in the drawing box 91 is sucked between the two inclined plates 95, due to the conical design between the two inclined plates 95, when clear water completely enters the two inclined plates 95, no clear water subsequently needs to pass through clear water, when the air pressure inside the shell 1 is higher than the outside, internal air pushes the closing plate 14 to release pressure, when the internal pressure levels with the outside, the closing plate 14 closes the placing dust entry.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dust protected photovoltaic micro-inverter, comprising:

the device comprises a shell (1), wherein a cover plate (2) is arranged on one side of the shell (1), and a main body machine (3) is arranged in the shell (1);

the novel filter comprises a U-shaped pipeline (4), wherein the U-shaped pipeline (4) is arranged inside the shell (1), air inlets (5) are formed in the two ends of the shell (1), the two ends of the U-shaped pipeline (4) are communicated with the air inlets (5), and filter cores (6) are arranged at the two ends of the U-shaped pipeline (4);

the filtering device (9), the middle part of the U-shaped pipeline (4) is communicated with an air outlet pipe (7), a drawing groove (8) is formed in the middle part of the U-shaped pipeline (4), the inside of the drawing groove (8) is connected with the filtering device (9) in a sliding manner, and the filtering device (9) comprises; the inner wall of the drawing groove (8) is connected with the drawing box (91) in a sliding manner;

and the limiting device (10) is arranged in the drawing box (91).

2. A dust protected photovoltaic micro-inverter as defined in claim 1, wherein: -said filtering device (9), further comprising; first fan (92), second fan (94), the inside symmetrical first fan (92) of U type pipeline (4) fixedly connected with, outlet duct (7) inner wall fixedly connected with second fan (94), pull box (91) inner wall symmetrical fixedly connected with swash plate (95), first recess (96) have been seted up to the inside bottom of U type pipeline (4), first recess (96) inner wall rotation is connected with threaded rod (97), the both ends symmetrical threaded connection of threaded rod (97) has screw slider (98), the middle part fixedly connected with gear (99) of threaded rod (97), the bottom fixedly connected with rack (910) of pull box (91), two screw slider (98) are close to each other's one end and are established the inclined plane.

3. A dust protected photovoltaic micro-inverter as defined in claim 1, wherein: the limit device (10) comprises; second recess (101), spring (102), slider (103) and fixture block (104), second recess (101) have been seted up to the bilateral symmetry of pull box (91), second recess (101) inner wall fixedly connected with spring (102), second recess (101) inner wall sliding connection has slider (103), the one end fixedly connected with fixture block (104) of slider (103), one side and the one end fixedly connected with of spring (102) of fixture block (104) are kept away from to slider (103), the bilateral symmetry fixedly connected with L type fixture block (105) of pull box (91), dodge groove (106) have been seted up to the bilateral symmetry of pull box (91), dodge groove (106) and second recess (101) switch-on, the one end fixedly connected with plectrum (107) of fixture block (104), plectrum (107) and dodge groove (106) sliding connection.

4. A dust protected photovoltaic micro-inverter as defined in claim 1, wherein: the inner wall of the drawing box (91) is provided with scale marks (11).

5. A dust protected photovoltaic micro-inverter as defined in claim 1, wherein: one side of the drawing box (91) is fixedly connected with a handle (12).

6. A dust protected photovoltaic micro-inverter as claimed in claim 2, wherein: air outlets (13) are symmetrically formed in two sides of the shell (1), and a closing plate (14) is rotatably connected to the inner wall of the air outlets (13).

7. The dust protected photovoltaic micro-inverter of claim 6, wherein: the closure plate (14) is of hollow design.

8. A dust protected photovoltaic micro-inverter as claimed in claim 2, wherein: the threaded rod (97) is a bidirectional threaded rod.