Drawing-out type switch cabinet applied to photovoltaic power generation

Abstract

The utility model discloses a draw-out type switch cabinet applied to photovoltaic power generation, and particularly relates to the technical field of switch cabinets, the draw-out type switch cabinet comprises a switch cabinet body and an air inlet arranged at the top of the switch cabinet body, and a filter assembly is movably arranged on one side of the air inlet of the switch cabinet body. The filtering assembly comprises a filtering net frame located on one side of the air inlet and a blowing fan set fixedly installed in the switch cabinet body, and adjusting plates are symmetrically arranged in the switch cabinet body in a sliding mode. According to the draw-out type switch cabinet provided by the utility model, the air inlet at the top of the switch cabinet body is utilized, so that external air is filtered through the filter screen frame when the blowing fan group blows air into the switch cabinet body, and dust entering the switch cabinet body is reduced; meanwhile, the baffles on the two adjusting plates are attached to the filter screen frame so as to shield and limit the filter screen frame, the two adjusting plates are driven to slide so that the baffles can be separated from the filter screen frame, and at the moment, the filter screen frame can be conveniently taken out to be cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to switchgear technology field, concretely relates to a kind of pull-out type switchgear applied to photovoltaic power generation. BACKGROUND

[0002] The pull-out type switchgear of photovoltaic power generation is a kind of electrical equipment specially used in photovoltaic power generation system, and the main function is to control, protect and distribute electric energy. And the pull-out type switchgear is a kind of electrical switchgear, adopts drawer type structure, and user can conveniently pull out or insert individual functional module or equipment from cabinet body. It is usually used in AC or DC side of photovoltaic power generation system to connect photovoltaic inverter, distribution equipment and power grid.

[0003] According to patent announcement No. CN207819200U, announcement date: 2018-09-04 discloses a kind of pull-out type DC switchgear applied to photovoltaic power generation, including base, the top outer wall of the base is recessed, and the inner wall of recess is welded with cabinet body, the top outer wall of the cabinet body is welded with four support columns, and the top outer wall of four support columns is fixed with same solar cell panel by bolt, the bottom inner wall of the cabinet body is welded with isolation plate, and the top outer wall of isolation plate is welded with partition net, the outer wall of partition net two side walls is respectively welded on the two side inner walls of cabinet body, the inner wall of one side of the cabinet body is welded with shelf, and the outer wall of the side of shelf away from cabinet is welded on the outer wall of isolation plate, the top outer wall of the shelf is slidably connected with drawer, the side outer wall of the drawer is recessed.

[0004] In the prior art including the above patent, at present, in order to adapt to photovoltaic power generation, the pull-out type switchgear is usually installed in outdoor environment with outdoor photovoltaic panel, especially in some remote areas. The pull-out type switchgear in outdoor environment can effectively protect the electrical equipment inside. However, when used outdoors, the pull-out type switchgear is prone to accumulate a lot of dust, and the accumulation of dust will affect the operation of the equipment inside the pull-out type switchgear. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of pull-out type switchgear applied to photovoltaic power generation to solve the above technical problems.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a kind of pull-out type switchgear applied to photovoltaic power generation, including switchgear body and the air inlet being opened in its top, the filter assembly is movably arranged on the side of the switchgear body at the air inlet, the filter assembly includes filter screen frame on the side of the air inlet and blower fan group fixedly installed in the switchgear body, the switchgear body is symmetrically slidably provided with adjusting plate, and the baffles fixedly installed on the two adjusting plates are respectively attached to the filter screen frame.

[0007] Preferably, the two adjusting plates are respectively fixedly provided with a first air permeable plate and a second air permeable plate which are arranged in a vertical stack below the air blowing fan group, and the first air permeable groove in the first air permeable plate and the second air permeable groove in the second air permeable plate are misaligned and communicated, and the air guide groove is arranged on one side of the filter screen frame.

[0008] Preferably, the switch cabinet body is symmetrically provided with a mounting plate and a mounting block, and the air blowing fan group is fixedly arranged on the mounting block, and the mounting block is arranged on one side of the air guide groove.

[0009] Preferably, the two adjusting plates are respectively fixedly provided with a first sliding plate and a second sliding plate, and the third air permeable groove in the first sliding plate and the fourth air permeable groove in the second sliding plate are misaligned and communicated.

[0010] Preferably, the second sliding plate is symmetrically provided with a first air sampling plate, and the first sliding plate is symmetrically provided with a second air sampling plate, and the fifth air permeable groove in the first air sampling plate and the sixth air permeable groove in the second air sampling plate are misaligned and communicated, and the air permeable opening is arranged on one side of the second air sampling plate.

[0011] Preferably, the switch cabinet body is fixedly provided with a partition plate, and the partition plate is provided with an air permeable slot, and the partition plate is symmetrically provided with a limiting frame, and the pull rod fixedly arranged on the adjusting plate is slidingly arranged on the switch cabinet body.

[0012] Preferably, the switch cabinet body is slidingly provided with a drawer, and the bottom of the switch cabinet body is provided with an air outlet.

[0013] Preferably, the adjusting plate is an aluminum alloy plate.

[0014] In the above technical solution, the switch cabinet applied to photovoltaic power generation has the following beneficial effects: when the air blowing fan group blows air into the switch cabinet body through the air inlet on the top of the switch cabinet body, the external air is filtered by the filter screen frame, thereby reducing the dust entering the switch cabinet body, and the baffle on each of the two adjusting plates is respectively attached to the filter screen frame to shield and limit the filter screen frame, and the two adjusting plates are driven to slide to make the baffles separate from the filter screen frame, so that the filter screen frame can be conveniently taken out for cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0016] Figure 1 The whole section structure schematic diagram of the switch cabinet body is provided for the embodiment of the utility model.

[0017] Figure 2 The adjusting plate structure schematic diagram is provided for the embodiment of the utility model.

[0018] Figure 3 The adjusting plate structure schematic diagram is provided for the embodiment of the utility model.

[0019] Figure 4 The A place amplification structure schematic diagram is provided for the embodiment of the utility model.

[0020] Figure 5 The B place amplification structure schematic diagram is provided for the embodiment of the utility model.

[0021] Figure 6 The C place amplification structure schematic diagram is provided for the embodiment of the utility model.

[0022] Figure 7 The switch cabinet body partial section structure schematic diagram is provided for the embodiment of the utility model.

[0023] Mark explanation:

[0024] 1, switch cabinet body;2, adjusting plate;3, second sliding plate;4, first sliding plate;5, filter net rack;6, blower fan group;7, drawer;11, air inlet;12, baffle;13, partition;14, limiting frame;15, ventilation slot;16, mounting block;17, mounting plate;18, ventilation opening;19, exhaust port;21, air guide groove;22, baffle;23, pull rod;31, first air collecting plate;32, fifth ventilation slot;33, second ventilation plate;34, second ventilation slot;35, fourth ventilation slot;41, second air collecting plate;42, sixth ventilation slot;43, third ventilation slot;44, first ventilation plate;45, first ventilation slot. Specific implementation

[0025] In order to make the technical personnel in the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in detail below in conjunction with the drawings.

[0026] As Figures 1-6As shown in the drawings, the utility model provides a kind of applied to photovoltaic power generation pull-out switch cabinet, including switch cabinet body 1 and the air inlet 11 being opened in its top, switch cabinet body 1 is located air inlet 11 side movablely provided with filter assembly, filter assembly includes the filter screen frame 5 located air inlet 11 side and the blower fan group 6 fixedly installed in switch cabinet body 1, symmetrically slidingly provided with adjusting plate 2 in switch cabinet body 1, and the baffle 22 fixedly installed on two adjusting plates 2 respectively adhere to filter screen frame 5.By using the air inlet 11 of the top of switch cabinet body 1, and when the blower fan group 6 blows into switch cabinet body 1, external air is filtered by filter screen frame 5, to reduce the dust entering switch cabinet body 1, while the baffle 22 on two adjusting plates 2 respectively adhere to filter screen frame 5 to shield and limit filter screen frame 5, and by driving two adjusting plates 2 to slide so that baffle 22 is separated from filter screen frame 5, at this time, filter screen frame 5 can be conveniently taken out for cleaning.

[0027] As the utility model further provides technical scheme, first air-permeable plate 44 and second air-permeable plate 33 are fixedly installed on two adjusting plates 2 respectively, and first air-permeable plate 44 and second air-permeable plate 33 are arranged in vertical direction and are stacked below blower fan group 6, and first air-permeable groove 45 opened in first air-permeable plate 44 and second air-permeable groove 34 opened in second air-permeable plate 33 are communicated in dislocation, and air guide groove 21 is opened in adjusting plate 2 and is located one side of filter screen frame 5.

[0028] Specifically, as shown in the drawings, Figure 3 And Figure 4 In default state, second air-permeable groove 34 and first air-permeable groove 45 are communicated, and then when blower fan group 6 blows into switch cabinet body 1, air is passed along second air-permeable groove 34 and first air-permeable groove 45 to heat dissipation in switch cabinet body 1, and by moving two adjusting plates 2, second air-permeable groove 34 and first air-permeable groove 45 are in dislocation to be closed by second air-permeable plate 33 and first air-permeable plate 44 respectively, and then air of blower fan group 6 is along the board surface of second air-permeable plate 33 and first air-permeable plate 44 and two adjusting plates 2 to blow into air guide groove 21, as shown in the drawings, air passing through air guide groove 21 blows to filter screen frame 5, and then air is used to clean filter screen frame 5. Figure 1

[0029] Further, mounting plate 17 and symmetrically fixed mounting block 16 are fixedly installed in switch cabinet body 1, and blower fan group 6 is fixedly installed on mounting block 16, and mounting block 16 is located air guide groove 21 side.

[0030] ​Specifically, the filter net rack 5 is placed on the mounting plate 17, the two adjusting plates 2 are respectively attached to the mounting blocks 16, and then the mounting blocks 16 are used to close the air guide groove 21, and the baffles 22 on the two adjusting plates 2 are respectively attached to the filter net rack 5 to shield and limit the filter net rack 5, and then the adjusting plates 2 are respectively slid, at this time, the movement of the adjusting plates 2 makes the mounting blocks 16 remove the shielding of the air guide groove 21, and the second air permeable plate 33 and the first air permeable plate 44 close the second air permeable groove 34 and the first air permeable groove 45 to make the air blowing of the air blower group 6 start to blow along the air guide groove 21 to the filter net rack 5.

[0031] Further, the first sliding plate 4 and the second sliding plate 3 are respectively fixedly installed on the two adjusting plates 2, the third air permeable groove 43 opened on the first sliding plate 4 and the fourth air permeable groove 35 opened on the second sliding plate 3 are misaligned and communicated.

[0032] Specifically, when the adjusting plates 2 are slid to make the second air permeable plate 33 and the first air permeable plate 44 close the second air permeable groove 34 and the first air permeable groove 45, at this time, the third air permeable groove 43 and the fourth air permeable groove 35 are also respectively shielded and closed by the first sliding plate 4 and the second sliding plate 3, so as to avoid the air blowing being sucked into the air blower group 6 again, and when the second air permeable plate 33 and the first air permeable plate 44 are communicated, the third air permeable groove 43 and the fourth air permeable groove 35 also maintain a communicated state.

[0033] Further, the first air suction plate 31 is symmetrically fixedly installed on the second sliding plate 3, and the second air suction plate 41 is symmetrically fixedly installed on the first sliding plate 4, the fifth air permeable groove 32 opened on the first air suction plate 31 and the sixth air permeable groove 42 opened on the second air suction plate 41 are misaligned and communicated, and the air inlet 18 located on one side of the second air suction plate 41 is opened on the opposite two side walls of the switch cabinet body 1.

[0034] Specifically, in order to enable the air blower group 6 to perform the air blowing operation when the third air permeable groove 43 and the fourth air permeable groove 35 are closed, when the third air permeable groove 43 and the fourth air permeable groove 35 are communicated, at this time, the sixth air permeable groove 42 and the fifth air permeable groove 32 maintain misalignment and are respectively shielded and closed by the first air suction plate 31 and the second air suction plate 41, so as to avoid the external air entering the switch cabinet body 1 along the air inlet 18, and when the third air permeable groove 43 and the fourth air permeable groove 35 are misaligned and closed, at this time, the sixth air permeable groove 42 and the fifth air permeable groove 32 maintain communication as shown, and then the external air enters the switch cabinet body 1 along the air inlet 18 and is blown by the air blower group 6, and then the air blowing is along the plate surfaces of the second air permeable plate 33 and the first air permeable plate 44 and the two adjusting plates 2 to blow into the air guide groove 21. Figure 5 Figure 1 ​As shown, at this time, the air blowing through the air guide groove 21 blows to the filter screen frame 5, and the air with dust is discharged along the air inlet 11, and the third air guide groove 43 and the fourth air guide groove 35 are also blocked and closed by the first sliding plate 4 and the second sliding plate 3 respectively, so that the air blowing is avoided from being sucked into the air blowing fan group 6 again, and the air blowing dust cleaning of the filter screen frame 5 is affected. Further, the air blowing is used to clean the filter screen frame 5.

[0035] Further, the partition plate 13 is fixedly installed in the switch cabinet body 1, and the air permeable slot 15 is formed on the partition plate 13, and the limiting frame 14 is symmetrically arranged on the partition plate 13, and the pull rod 23 fixedly installed on the adjusting plate 2 is slidingly arranged on the switch cabinet body 1.

[0036] Specifically, the second air guide plate 33 and the first air guide plate 44 are supported by the limiting frame 14, and by pulling the two pull rods 23, the movement of the adjusting plate 2 for switching the air duct can be realized without opening the switch cabinet body 1.

[0037] Further, the drawer 7 is slidingly arranged in the switch cabinet body 1, and the air outlet 19 is formed on the bottom of the switch cabinet body 1.

[0038] Specifically, the shed 12 is fixedly installed on one side of the air inlet 11 at the top of the switch cabinet body 1, and the air inlet 11 is protected from rain by the shed 12, and when the air blowing fan group 6 normally blows air into the switch cabinet body 1, the air blowing at this time blows to the drawer 7 and takes away the heat thereon and is discharged out of the switch cabinet body 1 along the air outlet 19.

[0039] Working principle: by connecting the second air guide groove 34 and the first air guide groove 45, when the air blowing fan group 6 blows air into the switch cabinet body 1, the air blowing filtered by the filter screen frame 5 passes through the second air guide groove 34 and the first air guide groove 45 to cool the switch cabinet body 1, when the filter screen frame 5 needs to be cleaned, the two pull rods 23 are pulled, and then the two adjusting plates 2 move and drive the third air guide groove 43 and the fourth air guide groove 35 on the first sliding plate 4 and the second sliding plate 3 to be closed out of position, at this time, the sixth air guide groove 42 and the fifth air guide groove 32 remain connected as shown, and then the external air enters the switch cabinet body 1 along the air permeable port 18 and is blown by the air blowing fan group 6, and then the air blowing along the surface of the second air guide plate 33 and the first air guide plate 44 and the two adjusting plates 2 blows into the air guide groove 21 as shown, at this time, the air blowing through the air guide groove 21 blows to the filter screen frame 5, and the air with dust is discharged along the air inlet 11, and the third air guide groove 43 and the fourth air guide groove 35 are also blocked and closed by the first sliding plate 4 and the second sliding plate 3 respectively, so that the air blowing is avoided from being sucked into the air blowing fan group 6 again, and the air blowing dust cleaning of the filter screen frame 5 is affected. Further, the air blowing is used to clean the filter screen frame 5. Figure 5 Figure 1 ​​

[0040] Certain exemplary embodiments of this application are described herein by way of illustration. It should be understood that to those skilled in the art, upon consideration of this disclosure, various modifications could be practiced within the spirit and scope of the application. Thus, the foregoing description is not intended to be exhaustive or to limit the application to the precise form disclosed. Rather, it is intended to cover all modifications and equivalents falling within the spirit and scope of the application.

Claims

1. A draw-out switchgear applied to photovoltaic power generation, characterized in that, The utility model provides a kind of switch cabinet, including switch cabinet body (1) and air inlet (11) opened in its top, the filter assembly is movably arranged in air inlet (11) side of switch cabinet body (1), the filter assembly includes filter screen frame (5) in air inlet (11) side and blower fan group (6) fixedly installed in switch cabinet body (1), the adjusting plate (2) is symmetrically slidably arranged in switch cabinet body (1), and the baffle (22) fixedly installed on two adjusting plates (2) respectively is adhered to filter screen frame (5).

2. The draw-out switchgear applied to photovoltaic power generation according to claim 1, characterized in that, First air-permeable plate (44) and second air-permeable plate (33) are fixedly installed on the two adjusting plates (2) respectively and arranged in vertical direction in the lower of blower fan group (6), and first air-permeable groove (45) opened in first air-permeable plate (44) and second air-permeable groove (34) opened in second air-permeable plate (33) are staggered communication, and air guide groove (21) is opened in the adjusting plate (2) and located in the side of filter screen frame (5).

3. The draw-out switchgear applied to photovoltaic power generation according to claim 2, characterized in that, The mounting plate (17) and the mounting block (16) are symmetrically fixedly installed in the switch cabinet body (1), and the blower fan group (6) is fixedly installed on the mounting block (16), and the mounting block (16) is located in the side of air guide groove (21).

4. The draw-out switchgear applied to photovoltaic power generation according to claim 1, characterized in that, First sliding plate (4) and second sliding plate (3) are fixedly installed on the two adjusting plates (2) respectively, and third air-permeable groove (43) opened in first sliding plate (4) and fourth air-permeable groove (35) opened in second sliding plate (3) are staggered communication.

5. The draw-out switchgear applied to photovoltaic power generation according to claim 4, characterized in that, First air collecting plate (31) is fixedly installed on the second sliding plate (3) symmetrically, and second air collecting plate (41) is fixedly installed on the first sliding plate (4) symmetrically, fifth air-permeable groove (32) opened in first air collecting plate (31) and sixth air-permeable groove (42) opened in second air collecting plate (41) are staggered communication, and air vent (18) is opened in the side of second air collecting plate (41) in the opposite two side walls of switch cabinet body (1).

6. The draw-out switchgear applied to photovoltaic power generation according to claim 1, characterized in that, Air-permeable slot (15) is opened in the partition (13) fixedly installed in the switch cabinet body (1), and limiting frame (14) is symmetrically arranged on the partition (13), and pull rod (23) fixedly installed on the adjusting plate (2) is slidably arranged on the switch cabinet body (1).

7. The draw-out switchgear applied to photovoltaic power generation according to claim 1, characterized in that, Drawer (7) is slidably arranged in the switch cabinet body (1), and air outlet (19) is opened in the bottom of switch cabinet body (1).

8. The draw-out switchgear applied to photovoltaic power generation according to claim 1, characterized in that, The adjusting plate (2) is aluminum alloy plate.

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