CN111541159B

CN111541159B - Dustproof ventilation electric control cabinet

Info

Publication number: CN111541159B
Application number: CN202010455331.XA
Authority: CN
Inventors: 普天平; 程平
Original assignee: Shandong Wansheng Electric Co ltd
Current assignee: Shandong Wansheng Electric Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2022-05-17
Anticipated expiration: 2040-05-26
Also published as: CN111541159A

Abstract

The application provides a dustproof ventilation electric control cabinet belongs to the electric control cabinet field, and it includes that the front side has the open-ended cabinet body, connects in the cabinet door of the cabinet body, dustproof inlet box, exhaust apparatus, first ventilative baffle and the ventilative baffle of second. The cabinet door is used for opening or closing the opening. The dustproof inlet box is vertically movably arranged at the top of the cabinet body. The exhaust device is arranged at the bottom of the cabinet body. The first ventilating partition board is rotatably arranged in the cabinet body and provided with a first position in the vertical direction and a second position in the horizontal direction. The second ventilating partition board is rotatably arranged in the cabinet body and is provided with a third position in the vertical direction and a fourth position in the horizontal direction. When the first breathable partition plate is located at the first position and the second breathable partition plate is located at the third position, the first breathable partition plate and the second breathable partition plate can be locked or unlocked by the vertical movement of the dustproof air inlet box. The dustproof ventilation electric control cabinet has wider application range.

Description

Dustproof ventilation electric control cabinet

Technical Field

The application relates to the field of electric control cabinets, in particular to a dustproof ventilation electric control cabinet.

Background

At present, dustproof ventilation electric control cabinet generally is used for splendid attire electrical equipment, under the prerequisite of guaranteeing to have certain ventilation performance, can play dirt-proof effect. The partition boards in the existing dustproof and ventilated power control cabinet have two arrangement modes, wherein one mode is horizontal arrangement, and the other mode is vertical arrangement. The dustproof ventilation electric control cabinet with the horizontally arranged partition plates is suitable for electrical equipment with longer length and smaller height; the dustproof ventilation power control cabinet with the vertically arranged partition plates is suitable for electrical equipment with short length and large height. The dustproof ventilation power control cabinet of these two kinds of structures all has certain limitation, can not satisfy the operation requirement.

Disclosure of Invention

The embodiment of the application provides a dustproof ventilation electric control cabinet to improve current dustproof ventilation electric control cabinet and have the limitation, can not satisfy operation requirement's problem.

The embodiment of the application provides a dustproof ventilation electric control cabinet, which comprises a cabinet body, a cabinet door, a dustproof air inlet box, an exhaust device, a first ventilating partition plate and a second ventilating partition plate, wherein the front side of the cabinet body is provided with an opening;

the cabinet door is used for opening or closing the opening;

the dustproof air inlet box is vertically movably arranged at the top of the cabinet body;

the exhaust device is arranged at the bottom of the cabinet body;

the first ventilating partition plate is rotatably arranged in the cabinet body and is provided with a first position in the vertical direction and a second position in the horizontal direction;

the second ventilating partition plate is rotatably arranged in the cabinet body and is provided with a third position in the vertical direction and a fourth position in the horizontal direction;

when the first air-permeable partition plate is located at the first position and the second air-permeable partition plate is located at the third position, a distance exists between the first air-permeable partition plate and the second air-permeable partition plate, and the first air-permeable partition plate and the second air-permeable partition plate can be locked or unlocked by the vertical movement of the dustproof air inlet box;

when the dustproof air inlet box moves vertically to unlock the first air-permeable partition and the second air-permeable partition, the first air-permeable partition can rotate from the first position to the second position; the second air-permeable partition plate can rotate from the third position to the fourth position and is in butt joint with the first air-permeable partition plate located at the second position, so that the first air-permeable partition plate and the second partition plate jointly form a horizontal partition layer.

Furthermore, a first hook part and a second hook part are arranged on the dustproof air inlet box;

a third hook part is arranged on the first breathable partition plate, and a fourth hook part is arranged on the second breathable partition plate;

when the first air-permeable partition is located at the first position and the second air-permeable partition is located at the third position, the first hook portion can be hooked on the third hook portion by vertically moving the dustproof air inlet box upwards, and the second hook portion can be hooked on the fourth hook portion, so that the unlocked first air-permeable partition and the unlocked second air-permeable partition are locked;

when the first breathable partition plate is located at the first position and the second breathable partition plate is located at the third position, the dustproof air inlet box vertically moves downwards to enable the first hook portion to be separated from the third hook portion, and the second hook portion to be separated from the fourth hook portion, so that the first breathable partition plate and the second breathable partition plate are locked and unlocked.

Furthermore, the dustproof and ventilated power control cabinet also comprises an elastic piece;

the elastic piece is located the cabinet body with between the dustproof inlet box, the elastic piece has the messenger the vertical upward movement's of dustproof inlet box trend.

Furthermore, the first ventilating partition plate comprises a first plate body, a second plate body, a third plate body, a first elastic resetting piece and a second elastic resetting piece;

the second plate body is rotatably connected with the cabinet body, the first plate body and the third plate body are respectively movably arranged at two ends of the second plate body, the first elastic reset piece is arranged between the first plate body and the second plate body, the second elastic reset piece is arranged between the third plate body and the second plate body, and the third hook part is arranged on the first plate body;

the second breathable partition plate comprises a fourth plate body, a fifth plate body, a sixth plate body, a third elastic resetting piece and a fourth elastic resetting piece;

the fifth plate body is rotatably connected with the cabinet body, the fourth plate body and the sixth plate body are respectively movably arranged at two ends of the fifth plate body, the third elastic reset piece is arranged between the fourth plate body and the fifth plate body, the fourth elastic reset piece is arranged between the sixth plate body and the fifth plate body, and the third hook part is arranged on the fourth plate body;

when the first ventilating partition plate is located at the first position, the first plate body abuts against the inner surface wall of the top plate of the cabinet body under the action of the first elastic resetting piece, and the third plate body abuts against the inner surface wall of the bottom plate of the cabinet body under the action of the second elastic resetting piece;

when the second ventilating partition plate is located at the third position, the fourth plate body abuts against the inner surface wall of the top plate of the cabinet body under the action of the third elastic resetting piece, and the sixth plate body abuts against the inner surface wall of the bottom plate of the cabinet body under the action of the fourth elastic resetting piece;

when first ventilative baffle is located the second position just the ventilative baffle of second is located when the fourth position, the first plate body is in the effect that first elasticity resets down support lean on in the interior table wall of the left side board of the cabinet body, the fourth plate body is in the effect that third elasticity resets down support lean on in the interior table wall of the right side board of the cabinet body, the third plate body with the sixth plate body is in respectively the effect that second elasticity resets and fourth elasticity resets down support each other and support and peg graft the cooperation.

Further, when the first air-permeable partition is located at the first position and the second air-permeable partition is located at the third position, an air supply channel for communicating the dustproof air inlet box with the air exhaust device is formed between the first air-permeable partition and the second air-permeable partition.

Further, the cabinet door comprises a left door leaf and a right door leaf;

the left door leaf has a first open position and a first closed position;

the right door leaf has a second open position and a second closed position;

a first accommodating space with an open front side is arranged in the left side plate of the cabinet body;

a second accommodating space with an open front side is arranged in the right side plate of the cabinet body;

when the left door leaf is located at the first closed position and the right door leaf is located at the second closed position, the left door leaf and the right door leaf close the opening;

when the left door leaf is located at the first opening position, the left door leaf is located in the first accommodating space;

when the right door leaf is located at the second opening position, the right door leaf is located in the second accommodating space.

Further, the left door leaf is connected with the left side plate through a connecting piece;

the connecting piece comprises a connecting part and a C-shaped part which are connected with each other, the connecting part is connected with the left door leaf, and the C-shaped part faces to the left end face in the width direction of the left door leaf;

the left door leaf is provided with a guide groove arranged along the width direction of the left door leaf;

the cabinet body is provided with a fixed shaft positioned in the first accommodating space, and the C-shaped part is clamped at the outer side of the fixed shaft;

when the left door leaf rotates from the first closed position to a position aligned with the first accommodating space, the left door leaf moves along the width direction of the left door leaf to enable the C-shaped part to be separated from the fixed shaft, and the fixed shaft slides into the guide groove to enable the left door leaf to enter the first accommodating space.

Further, the left door leaf is movably arranged on the connecting part, and the left door leaf can move along the width direction of the left door leaf relative to the connecting part;

when the left door leaf is located at the first closing position, the left end face abuts against the inner surface wall of the left side plate so as to prevent the left door leaf from rotating towards the inside of the cabinet body;

when the left door leaf rotates from the first closing position to a position aligned with the first accommodating space, the left door leaf moves along the width direction of the left door leaf, so that the left end face of the left door leaf abuts against the C-shaped part and pushes the C-shaped part to be separated from the fixed shaft.

The beneficial effect of the dustproof ventilation electric control cabinet that this application embodiment provided is:

according to the dustproof ventilation electric control cabinet provided by the embodiment of the application, the dustproof air inlet box is arranged at the top of the cabinet body, external air can enter the cabinet body through the dustproof air inlet box, and external dust is prevented; the bottom of the cabinet body is provided with an exhaust device which can pump out the gas in the cabinet body to take away the heat in the cabinet body, so that the control cabinet has good dustproof and ventilation performance. The first breathable partition plate can be switched between a first position located at a vertical position and a second position located at a horizontal position in a rotating mode, and the second breathable partition plate can be switched between a third position located at the vertical position and a fourth position located at the horizontal position in a rotating mode. When the first ventilating partition plate is located at the first position and the second ventilating partition plate is located at the third position, the first ventilating partition plate and the second ventilating partition plate can be locked by moving the dustproof air inlet box, three containing partitions distributed at intervals in the horizontal direction are formed in the cabinet body, and each containing partition can contain electrical equipment with short length and large height; when the second breathable partition plate is located at the second position and the second breathable partition plate is located at the fourth position, the first breathable partition plate and the second breathable partition plate can be mutually locked by butting the first breathable partition plate and the second breathable partition plate, the first breathable partition plate and the second breathable partition plate jointly form a horizontal partition layer, two accommodating partition plates which are arranged at intervals in the vertical direction are formed in the cabinet body, and each accommodating partition plate can accommodate electrical equipment with longer length and smaller height. The dustproof ventilation power control cabinet has good dustproof ventilation performance, the distribution condition of the internal space of the cabinet body can be changed by changing the positions of the first ventilating partition plate and the second ventilating partition plate, the dustproof ventilation power control cabinet is suitable for electrical equipment with short length and large height, is also suitable for electrical equipment with long length and small height, and is wide in application range so as to meet application requirements.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural view of a dustproof and ventilated power control cabinet provided in an embodiment of the present application (a first air-permeable partition is located at a first position, and a second air-permeable partition is located at a third position);

FIG. 2 is a schematic view of a dust-proof ventilated electrical control cabinet according to an embodiment of the present disclosure (the first air-permeable partition is located at a second position, and the second air-permeable partition is located at a fourth position);

fig. 3 is a schematic connection diagram of a left door leaf (the left door leaf is located at a first closed position) and a left side plate of the cabinet according to an embodiment of the present application;

fig. 4 is a schematic connection diagram of a left door leaf (the left door leaf is aligned with the first accommodating space of the left side plate) and a left side plate of the cabinet provided in the embodiment of the present application;

fig. 5 is a schematic connection diagram of a left door leaf (the left door leaf is located at the first open position) and a left side plate of the cabinet provided by the embodiment of the present application;

fig. 6 is a schematic connection diagram of a left door leaf (the left door leaf is aligned with the first receiving space of the left side plate) and a left side plate of the cabinet body at another view angle according to an embodiment of the present application.

An icon: a dust-proof ventilation power control cabinet 100; a cabinet body 10; a base plate 11; a top plate 12; a left side plate 13; the first accommodation space 131; a right side plate 14; the second accommodation space 141; a back plate 15; support legs 16; a fixed shaft 17; a cabinet door 20; a left door leaf 21; a left end face 210; a guide groove 211; a slide hole 212; a second stopper 213; a right door leaf 22; a dust-proof air inlet box 30; a filter body 31; an upper plate body 32; an air inlet 321; a lower plate body 33; an air outlet 331; the first hook portion 332; a second hook portion 333; an enclosure 34; an exhaust device 40; a first gas-permeable partition 50; a first plate body 51; a third hook portion 511; a first receptacle 512; a second plate body 52; the third plate body 53; a second jack 531; a plug hole 532; a first resilient return member 54; a second elastic restoring member 55; a second air-permeable partition 60; a fourth plate body 61; the fourth hook portion 611; a third receptacle 612; a fifth plate body 62; a sixth plate body 63; a fourth insertion hole 631; a plug-in portion 632; a third resilient return member 64; a fourth elastic restoring member 65; a connecting member 70; a connecting portion 71; a first stopper 711; a C-shaped portion 72; an elastic member 80.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and 2, the embodiment of the present application provides a dustproof ventilation power control cabinet 100, which includes a cabinet body 10 having an opening on a front side, a cabinet door 20 connected to the cabinet body 10, a dustproof air inlet box 30, an air exhausting device 40, a first air-permeable partition 50, and a second air-permeable partition 60.

The cabinet door 20 is used to open or close the opening; the dustproof air inlet box 30 is vertically movably arranged at the top of the cabinet body 10; the exhaust device 40 is arranged at the bottom of the cabinet body 10; the first ventilating partition 50 is rotatably disposed in the cabinet 10, and the first ventilating partition 50 has a first position in the vertical direction and a second position in the horizontal direction; the second ventilating partition 60 is rotatably disposed in the cabinet 10, and the second ventilating partition 60 has a third position in the vertical direction and a fourth position in the horizontal direction.

When the first air-permeable partition 50 is located at the first position and the second air-permeable partition 60 is located at the third position, a distance exists between the first air-permeable partition 50 and the second air-permeable partition 60, and the first air-permeable partition 50 and the second air-permeable partition 60 can be locked or unlocked by the vertical movement of the dustproof air inlet box 30;

when the dustproof air inlet box 30 moves vertically to unlock the first breathable partition plate 50 and the second breathable partition plate 60, the first breathable partition plate 50 can rotate from the first position to the second position, and the second breathable partition plate 60 can rotate from the third position to the fourth position and is in butt joint with the first breathable partition plate 50 located at the second position, so that the first breathable partition plate 50 and the second partition plate jointly form a horizontal partition layer.

The top of the cabinet body 10 is provided with a dustproof air inlet box 30, external air can enter the cabinet body 10 through the dustproof air inlet box 30, and external dust is prevented; the bottom of the cabinet body 10 is provided with an exhaust device 40, and the exhaust device 40 can pump out the gas in the cabinet body 10 to take away the heat inside the cabinet body 10, so that the control cabinet has good dustproof and ventilation performance. The first air-permeable partition 50 is capable of being switched between a first position located in a vertical position and a second position located in a horizontal position by means of rotation, and the second air-permeable partition 60 is capable of being switched between a third position located in a vertical position and a fourth position located in a horizontal position by means of rotation. When the first ventilating partition 50 is located at the first position and the second ventilating partition 60 is located at the third position, the first ventilating partition 50 and the second ventilating partition 60 can be locked by moving the dustproof air inlet box 30, three containing partitions distributed at intervals in the horizontal direction are formed in the cabinet body 10, and each containing partition can contain electrical equipment with short length and large height; when the first air-permeable partition 50 is located at the second position and the second air-permeable partition 60 is located at the fourth position, the first air-permeable partition 50 and the second air-permeable partition 60 can be locked with each other by butting the first air-permeable partition 50 and the second air-permeable partition 60, the first air-permeable partition 50 and the second air-permeable partition 60 together form a horizontal partition, two accommodating partitions arranged at intervals in the vertical direction are formed in the cabinet 10, and each accommodating partition can accommodate electrical equipment with a longer length and a shorter height. The dustproof ventilation power control cabinet 100 not only has good dustproof ventilation performance, but also can change the distribution condition of the internal space of the cabinet body 10 by changing the positions of the first ventilating partition plate 50 and the second ventilating partition plate 60, is not only suitable for electrical equipment with short length and large height, but also suitable for electrical equipment with long length and small height, and has wider application range so as to meet the application requirements.

Wherein, the cabinet body 10 is the cuboid structure, and the cabinet body 10 front side forms the opening, and the cabinet body 10 includes bottom plate 11, roof 12, left side board 13, right side board 14, backplate 15 and supporting leg 16. Bottom plate 11 and roof 12 parallel arrangement, left side board 13 and right side board 14 parallel arrangement, the upper and lower both ends of left side board 13 are connected with roof 12 and bottom plate 11 respectively, the upper and lower both ends of right side board 14 are connected with roof 12 and bottom plate 11 respectively, backplate 15 is connected in the rear side of bottom plate 11, roof 12, left side board 13 and right side board 14, and supporting leg 16 is four, and four supporting legs 16 set up in the bottom of bottom plate 11.

Optionally, the cabinet door 20 includes a left door leaf 21 and a right door leaf 22, the left door leaf 21 has a first open position and a first closed position, the right door leaf 22 has a second open position and a second closed position, a first accommodating space 131 with an open front side is provided in the left side plate 13 of the cabinet 10, and a second accommodating space 141 with an open front side is provided in the right side plate 14 of the cabinet 10. When the left door leaf 21 is located at the first closed position and the right door leaf 22 is located at the second closed position, the left door leaf 21 and the right door leaf 22 close the opening of the cabinet 10; when the left door leaf 21 is located at the first open position, the left door leaf 21 is located in the first accommodating space 131; when the right door leaf 22 is located at the second open position, the right door leaf 22 is located in the second accommodating space 141.

When the left door 21 is located at the first closed position and the right door 22 is located at the first closed position, the left door 21 and the right door 22 together close the opening at the front side of the cabinet 10. When electrical equipment in the cabinet 10 needs to be overhauled, the left door leaf 21 can be located at the first open position, and the right door leaf 22 is located at the second open position, at this time, the left door leaf 21 is located in the first accommodating space 131 of the left side plate 13, the right door leaf 22 is located in the second accommodating space 141 of the right side plate 14, both the left door leaf 21 and the right door leaf 22 are hidden, the left door leaf 21 and the right door leaf 22 cannot interfere with operating personnel, and the operation of the operating personnel is facilitated.

In fig. 1 and 2, the left door 21 is located at the first open position, and the right door 22 is located at the second open position.

In other embodiments, the door 20 may be an integral door leaf, which is connected to the left side 13 of the cabinet 10 by a hinge, and the opening of the cabinet 10 can be opened or closed by rotating the door leaf.

Further, the left door leaf 21 is connected to the left side plate 13 by a connector 70.

As shown in fig. 3, 4, and 5, the connector 70 includes a connecting portion 71 and a C-shaped portion 72 connected to each other, the connecting portion 71 is connected to the left door 21, and the C-shaped portion 72 faces a left end surface 210 in the width direction of the left door 21. The left door leaf 21 is provided with a guide groove 211 arranged in the width direction thereof. The cabinet 10 is provided with a fixing shaft 17 positioned in the first receiving space 131, and the C-shaped portion 72 is clamped at an outer side of the fixing shaft 17. When the left door leaf 21 rotates from the first closed position to the position aligned with the first accommodating space 131, the left door leaf 21 moves in the width direction thereof to separate the C-shaped portion 72 from the fixed shaft 17, and the fixed shaft 17 slides into the guide groove 211, so that the left door leaf 21 enters the first accommodating space 131.

A revolute pair is formed by the cooperation of the C-shaped portion 72 and the fixed shaft 17, so that the left door leaf 21 can rotate relative to the cabinet 10. Due to the notch of the C-shaped portion 72, the left door leaf 21 can be conveniently separated from the fixed shaft 17 during the process of entering the first accommodating space 131. In the process that the left door leaf 21 enters the first accommodating space 131, the fixed shaft 17 enters the guide groove 211 on the seat door leaf, and at this time, the fixed shaft 17 can play a good role in guiding the seat door leaf, so that the left door leaf 21 has good stability in the process of entering the first accommodating space 131.

In this embodiment, the right door leaf 22 is also connected to the right side plate 14 through the connector 70, and the connection modes of the right door leaf 22, the connector 70 and the right side plate 14 are the same as the connection modes of the left door leaf 21, the connector 70 and the left side plate 13, which are not described herein again.

Alternatively, the left door 21 may be movably provided to the connecting portion 71, and the left door 21 may be movable in the width direction of the left door 21 with respect to the connecting portion 71. When the left door leaf 21 is located at the first closed position, the left end surface 210 abuts against the inner surface wall of the left side plate 13 to prevent the left door leaf 21 from rotating towards the inside of the cabinet 10; when the left door leaf 21 rotates from the first closed position to the position aligned with the first accommodating space 131, the left door leaf 21 moves in the width direction thereof, so that the left end surface 210 abuts against the C-shaped part 72 and pushes the C-shaped part 72 to separate from the fixed shaft 17.

When the left door leaf 21 is located at the first closed position, the left end surface 210 of the left door leaf 21 abuts against the inner surface wall of the left side plate 13, at this time, the left side plate 13 of the cabinet 10 has a limiting effect on the rotation of the left door leaf 21 towards the inside of the cabinet 10, and the left door leaf 21 is perpendicular to the left side plate 13. After the C-shaped portion 72 forms a rotation pair with the fixed shaft 17, the C-shaped portion 72 has a certain clamping force on the fixed shaft 17, and since the left door 21 is movably disposed on the connecting portion 71, when the left door 21 rotates from the first closed position to a position aligned with the first accommodating space 131 of the left side plate 13, the left door 21 is moved relative to the connecting portion 71 and gradually enters the first accommodating space 131 by pushing the left door 21 inward; when the left end surface 210 of the left door 21 just contacts the C-shaped portion 72, at this time, the left door 21 has a certain initial speed of moving into the first accommodating space 131, and the left door 21 will generate a large impact force to the C-shaped portion 72, so that the C-shaped portion 72 can be more easily separated from the fixed shaft 17.

In the present embodiment, the connecting portion 71 has a plate-like structure, and the left door 21 is provided with a slide hole 212 penetrating the left end surface 210 and into which the connecting portion 71 slides. After the left door 21 hits the C-shaped portion 72 against the fixed shaft 17, most of the connecting portion 71 of the connecting member 70 is accommodated in the sliding hole 212, so that the space occupied by the connecting member 70 in the first accommodating space 131 of the left door 21 is reduced, and the left door 21 can enter a deeper position of the first accommodating space 131.

The end of the connecting portion 71 inserted into the sliding hole 212 is provided with a first limiting portion 711, the opening of the sliding hole 212 is provided with a second limiting portion 213 for limiting the first limiting portion 711, and the second limiting portion 213 and the first limiting portion 711 can perform a limiting function mutually, so that the connecting portion 71 is prevented from being separated from the sliding hole 212. When the left door 21 is located at the first closed position, the left end surface 210 abuts against the inner surface wall of the left side plate 13, and the first stopper 711 abuts against the second stopper 213.

It should be noted that the number of the connecting members 70 on the left door leaf 21 may be one or two. In this embodiment, as shown in fig. 6, there are two connecting members 70, there are two fixing shafts 17 on the cabinet 10, and the two fixing shafts 17 are respectively fixed on the inner surface of the top plate 12 and the inner surface of the bottom plate 11.

As shown in fig. 1 and 2, the dustproof intake box 30 is a hollow rectangular box structure, and a filter 31 is disposed inside the dustproof intake box, the filter 31 is used for filtering dust, and the filter 31 is made of a filter material, such as filter cotton.

The dustproof air inlet box 30 comprises an upper plate body 32, a lower plate body 33 and an enclosure body 34 with openings at the upper end and the lower end, wherein the upper plate body 32 is blocked at the upper end opening of the enclosure body 34, and the lower plate body 33 is blocked at the lower end opening of the enclosure body 34. The upper plate body 32 and the surrounding body 34 can be detachably connected through screws; the lower plate 33 and the enclosure 34 may be detachably connected by screws. The peripheral edges of the upper plate 32 exceed the upper end of the enclosure 34, and the peripheral edges of the lower plate 33 exceed the lower end of the enclosure 34. An air inlet 321 is arranged on the upper plate body 32, an air outlet 331 is arranged on the lower plate body 33, and outside air enters the dustproof air inlet box 30 through the air inlet 321, is filtered by the filter body 31 and then enters the cabinet 10 from the air outlet 331.

The dustproof air inlet box 30 is vertically movably arranged on the top plate 12 of the cabinet body 10, and a through hole for the enclosure body 34 to slide is formed in the top plate 12. In order to form a sliding seal between the dustproof intake box 30 and the cabinet 10, an annular groove may be formed on the wall of the through hole of the top plate 12, and a sealing ring in close contact with the enclosure 34 may be disposed in the annular groove. The upper plate body 32 and the lower plate body 33 of the dustproof air inlet box 30 can both play a limiting role, and the dustproof air inlet box 30 is prevented from being separated from the top plate 12 of the cabinet body 10.

The exhaust device 40 functions to exhaust the air in the cabinet 10 to the outside to take out the heat in the cabinet 10. Illustratively, the exhaust device is an exhaust fan mounted on the bottom plate 11 of the cabinet 10.

Further, a first hook 332 and a second hook 333 are provided on the dust-proof intake box 30. The first air-permeable partition 50 is provided with a third hook portion 511, and the second air-permeable partition 60 is provided with a fourth hook portion 611. When the first air-permeable partition 50 is located at the first position and the second air-permeable partition 60 is located at the third position, the dust-proof air inlet box 30 moves vertically upward to enable the first hook portion 332 to be hooked on the third hook portion 511, and the second hook portion 333 to be hooked on the fourth hook portion 611, so that the unlocked first air-permeable partition 50 and the unlocked second air-permeable partition 60 are locked; when the first air-permeable partition 50 is located at the first position and the second air-permeable partition 60 is located at the third position, the vertical downward movement of the dust-proof intake box 30 can disengage the first hook portion 332 from the third hook portion 511, and can disengage the second hook portion 333 from the fourth hook portion 611, so as to unlock the locked first air-permeable partition 50 and the second air-permeable partition 60.

The first ventilating partition plate 50 located at the first position and the second ventilating partition plate 60 located at the third position are locked by the first hook part 332 and the second hook part 333 on the dustproof intake box 30 respectively matching with the third hook part 511 and the fourth hook part 611, so that the first ventilating partition plate 50 is stabilized at the first position, and the second ventilating partition plate 60 is stabilized at the third position. The first and second air-

permeable partitions

50 and 60 can be easily unlocked or locked by the up-and-down movement of the dust-proof intake box 30.

The first hook 332 and the second hook 333 are both provided on the lower plate 33 of the dust-proof intake box 30.

In addition, the dust-proof ventilation power control cabinet 100 further includes an elastic member 80;

the elastic member 80 is disposed between the cabinet 10 and the dustproof intake box 30, and the elastic member 80 has a tendency to move the dustproof intake box 30 vertically upward. The dust tight inlet box 30 is held in place by the resilient member 80 in locking the first and second air

permeable partitions

50 and 60.

The elastic member 80 is a spring, the elastic member 80 is sleeved outside the enclosure 34 of the dust-proof air intake box 30, and the elastic member 80 is located between the top plate 12 of the cabinet 10 and the upper plate 32 of the dust-proof air intake box 30.

Further, the first air-permeable partition 50 includes a first plate 51, a second plate 52, a third plate 53, a first elastic restoring member 54 and a second elastic restoring member 55; the second plate 52 is rotatably connected to the cabinet 10, the first plate 51 and the third plate 53 are respectively movably disposed at two ends of the second plate 52, the first elastic reset piece 54 is disposed between the first plate 51 and the second plate 52, the second elastic reset piece 55 is disposed between the third plate 53 and the second plate 52, and the third hook 511 is disposed on the first plate 51.

The second air-permeable partition 60 includes a fourth plate body 61, a fifth plate body 62, a sixth plate body 63, a third elastic restoring member 64, and a fourth elastic restoring member 65. The fifth plate 62 is rotatably connected to the cabinet 10, the fourth plate 61 and the sixth plate 63 are movably disposed at two ends of the fifth plate 62, the third elastic reset piece 64 is disposed between the fourth plate 61 and the fifth plate 62, the fourth elastic reset piece 65 is disposed between the sixth plate 63 and the fifth plate 62, and the third hook portion 511 is disposed on the fourth plate 61.

When the first ventilating partition 50 is located at the first position, the first plate 51 abuts against the inner surface wall of the top plate 12 of the cabinet 10 under the action of the first elastic restoring member 54, and the third plate 53 abuts against the inner surface wall of the bottom plate 11 of the cabinet 10 under the action of the second elastic restoring member 55; when the second ventilating partition 60 is located at the third position, the fourth plate 61 abuts against the inner surface wall of the top plate 12 of the cabinet 10 under the action of the third elastic restoring member 64, and the sixth plate 63 abuts against the inner surface wall of the bottom plate 11 of the cabinet 10 under the action of the fourth elastic restoring member 65.

When the first ventilating partition 50 is located at the second position and the second ventilating partition 60 is located at the fourth position, the first plate 51 abuts against the inner surface wall of the left side plate 13 of the cabinet 10 under the action of the first elastic restoring piece 54, the fourth plate 61 abuts against the inner surface wall of the right side plate 14 of the cabinet 10 under the action of the third elastic restoring piece 64, and the third plate 53 and the sixth plate 63 abut against each other and are in insertion fit under the action of the second elastic restoring piece 55 and the fourth elastic restoring piece 65 respectively.

When the first air-permeable partition 50 is located at the first position and the second air-permeable partition 60 is located at the third position, an air supply passage for communicating the dustproof air intake box 30 with the air discharging device 40 is formed between the first air-permeable partition 50 and the second air-permeable partition 60.

Illustratively, the first elastic restoring member 54, the second elastic restoring member 55, the third elastic restoring member 64 and the fourth elastic restoring member 65 are all springs.

One end of the first board body 51 is provided with a first insertion hole 512, one end of the third board body 53 is provided with a second insertion hole 531, one end of the second board body 52 is movably inserted into the first insertion hole 512, and one end of the second board body 52 is movably inserted into the second insertion hole 531. The first elastic reset piece 54 is disposed in the first jack 512, and the second elastic reset piece 55 is disposed in the second jack 531.

One end of the fourth plate body 61 is provided with a third insertion hole 612, one end of the sixth plate body 63 is provided with a fourth insertion hole 631, one end of the fifth plate body 62 is movably inserted into the third insertion hole 612, and the other end of the fifth plate body 62 is inserted into the fourth insertion hole 631. The third elastic restoring member 64 is disposed in the third insertion hole 612, and the fourth elastic restoring member 65 is disposed in the fourth insertion hole 631.

In addition, an insertion hole 532 is formed at one end of the third plate body 53 away from the second plate body 52, and an insertion portion 632 for forming an insertion fit with the insertion hole 532 is formed at one end of the sixth plate body 63 away from the fifth plate body 62.

In the present embodiment, the first plate 51, the second plate 52, the third plate 53, the fourth plate 61, the fifth plate 62, and the sixth plate 63 are provided with ventilation holes (not shown) penetrating through both end surfaces in the thickness direction thereof.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A dustproof ventilation power control cabinet, characterized by includes:

a cabinet body with an opening at the front side;

the cabinet door is connected with the cabinet body and used for opening or closing the opening;

the dustproof air inlet box is vertically and movably arranged at the top of the cabinet body;

the exhaust device is arranged at the bottom of the cabinet body;

the first ventilating partition plate is rotatably arranged in the cabinet body and is provided with a first position in the vertical direction and a second position in the horizontal direction; and

when the first breathable partition plate is located at the first position and the second breathable partition plate is located at the third position, a distance exists between the first breathable partition plate and the second breathable partition plate, and the first breathable partition plate and the second breathable partition plate can be locked or unlocked by the vertical movement of the dustproof air inlet box;

when the dustproof air inlet box moves vertically to unlock the first air-permeable partition and the second air-permeable partition, the first air-permeable partition can rotate from the first position to the second position; the second air-permeable partition plate can rotate from the third position to the fourth position and is in butt joint with the first air-permeable partition plate positioned at the second position, so that the first air-permeable partition plate and the second partition plate jointly form a horizontal partition layer;

the cabinet door comprises a left door leaf and a right door leaf; the left door leaf has a first open position and a first closed position; the right door leaf has a second open position and a second closed position; a first accommodating space with an open front side is arranged in the left side plate of the cabinet body; a second accommodating space with an open front side is arranged in the right side plate of the cabinet body; when the left door leaf is located at the first closed position and the right door leaf is located at the second closed position, the left door leaf and the right door leaf close the opening; when the left door leaf is located at the first opening position, the left door leaf is located in the first accommodating space; when the right door leaf is located at the second opening position, the right door leaf is located in the second accommodating space;

the left door leaf is connected with the left side plate through a connecting piece; the connecting piece comprises a connecting part and a C-shaped part which are connected with each other, the connecting part is connected with the left door leaf, and the C-shaped part faces to the left end face of the left door leaf in the width direction; the left door leaf is provided with a guide groove arranged along the width direction of the left door leaf; the cabinet body is provided with a fixed shaft positioned in the first accommodating space, and the C-shaped part is clamped at the outer side of the fixed shaft; when the left door leaf rotates from the first closed position to a position aligned with the first accommodating space, the left door leaf moves along the width direction of the left door leaf to enable the C-shaped part to be separated from the fixed shaft, and the fixed shaft slides into the guide groove to enable the left door leaf to enter the first accommodating space;

the left door leaf is movably arranged on the connecting part and can move along the width direction of the left door leaf relative to the connecting part; when the left door leaf is located at the first closing position, the left end face abuts against the inner surface wall of the left side plate so as to prevent the left door leaf from rotating towards the inside of the cabinet body; when the left door leaf rotates from the first closing position to a position aligned with the first accommodating space, the left door leaf moves along the width direction of the left door leaf, so that the left end face of the left door leaf abuts against the C-shaped part and pushes the C-shaped part to be separated from the fixed shaft.

2. The dustproof ventilation power control cabinet according to claim 1, wherein a first hook portion and a second hook portion are arranged on the dustproof air inlet box;

when the first air-permeable partition is located at the first position and the second air-permeable partition is located at the third position, the dustproof air inlet box moves vertically upwards to enable the first hook part to be hooked on the third hook part and enable the second hook part to be hooked on the fourth hook part, so that the unlocked first air-permeable partition and the unlocked second air-permeable partition are locked;

when the first breathable partition plate is located at the first position and the second breathable partition plate is located at the third position, the first hook portion can be separated from the third hook portion by vertically moving the dustproof air inlet box downwards, and the second hook portion can be separated from the fourth hook portion, so that the first breathable partition plate and the second breathable partition plate which are locked are unlocked.

3. The dust protected power control of claim 2, further comprising a resilient member;

4. The dust-proof ventilation power control cabinet of claim 2, wherein the first air-permeable partition comprises a first plate body, a second plate body, a third plate body, a first elastic reset piece and a second elastic reset piece;

the second ventilating partition plate comprises a fourth plate body, a fifth plate body, a sixth plate body, a third elastic resetting piece and a fourth elastic resetting piece;

5. The dust-tight, ventilated power control cabinet of claim 1, wherein when said first air-permeable partition is in said first position and said second air-permeable partition is in said third position, an air supply passage is formed between said first air-permeable partition and said second air-permeable partition for communicating said dust-tight air inlet box with said air exhaust device.