CN216672243U - Regulator cubicle ventilation dustproof construction - Google Patents

Abstract

The utility model discloses a ventilation and dust prevention structure of an electric cabinet, and relates to the technical field of electric cabinets. The dustproof net comprises a cylindrical frame, a ventilation hole and a dustproof sleeve, and is characterized in that the cylindrical frame is arranged on the upper surface of the dustproof net.

Description

Regulator cubicle ventilation dustproof construction

Technical Field

The utility model relates to the technical field of electrical cabinets, in particular to a ventilation and dust prevention structure of an electrical cabinet.

Background

Electrical cabinets are control cabinets for mounting electrical equipment and related components that generate heat during operation, and are typically equipped with a ventilation and heat dissipation structure to ensure smooth operation of the electrical equipment and related components. The existing electrical cabinet mainly drives air to enter from an air inlet hole on the surface of the electrical cabinet and flow out from an air outlet hole through a fan, and the heat inside the electrical cabinet is taken away through air circulation to dissipate heat.

The dust screen is usually set up in the inlet vent position to present regulator cubicle and prevents dust, and common dust screen and inlet opening are flat planar structure at the inlet air duct of the surperficial constitution of regulator cubicle, and the cross-section on ventilation route is smaller, and the dust screen is covered with the dust very easily at circulation of air in-process, causes the radiating effect to descend by a wide margin, influences regulator cubicle normal use, needs regularly clear up the dust, and the clearance frequency is higher, leads to using more troublesome.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a ventilation dustproof structure of an electrical cabinet, which is used for solving the problem that the sectional area of a ventilation path of a dustproof net of a planar structure on the existing electrical cabinet is small, and dust is easily distributed on the dustproof net to influence normal ventilation and heat dissipation.

In order to solve the technical problems, the utility model provides the following technical scheme:

a ventilation and dust-proof structure of an electrical cabinet comprises a cylindrical frame and a ventilation hole arranged on the surface of a cabinet body corresponding to an internal fan, a circle of annular edges are arranged at the position, corresponding to the ventilation holes, on the surface of the cabinet body, a dustproof sleeve is sleeved on the surface of the cylindrical frame, the dustproof sleeve and the cylindrical frame are inserted in the annular edges and the ventilation holes, the opening of the dustproof cover is folded outwards and sleeved on the surface of the annular ridge, one end of the cylindrical frame corresponding to the annular ridge is provided with a fixing ring, the opening position of the dustproof sleeve is clamped between the fixing ring and the annular rib, the position of the outer part of the cabinet body corresponding to the ventilation hole is provided with a protective cover, be provided with intensive bleeder vent on the protection casing, the position department that corresponds solid fixed ring on the inner wall of protection casing is provided with the sealing washer with solid fixed ring laminating, be provided with the activity between the protection casing and the cabinet body and detain.

Preferably, an arc-shaped supporting plate supported below the cylindrical frame and the dustproof sleeve is arranged at the position, corresponding to the ventilation hole, of the inner wall of the cabinet body.

Preferably, the cylinder frame comprises with L shape brace rod fixed connection more, and the brace rod equidistance distributes on solid fixed ring, the inside of cylinder frame is provided with the gauze of a plurality of through self axis and cuts off, gauze cuts off and brace rod fixed connection.

Preferably, the top of protection casing is articulated with the surface of the cabinet body, the activity is detained the below that is located the inside of protection casing and is located cyclic annular arris, the position department that the surface of protection casing is located the sealing washer below is provided with the hand groove.

Compared with the prior art, the utility model has the following beneficial effects:

compared with a dust screen with a planar structure, the dust screen is equivalent to that the ventilation area of a circle of inner wall area of the circumference is increased on the ventilation area of one side surface of the dust cover, and the total section of a ventilation path is increased, so that more time is needed for the dust cover to be fully covered, the dust cleaning frequency can be reduced, and convenience is brought to use.

Drawings

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

FIG. 2 is a perspective view of the support plate of the present invention in position;

FIG. 3 is a front sectional view of the overall structure of the shield cover of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3A according to the present invention;

FIG. 5 is a front view of the boot seal and retaining ring of the present invention;

FIG. 6 is a right side view of the retaining ring, boot and cylindrical frame of the present invention;

FIG. 7 is a left sectional view taken at B-B of FIG. 5 according to the present invention.

In the figure: 1. a cylindrical frame; 2. a cabinet body; 3. a vent hole; 4. an annular ridge; 5. a dust-proof sleeve; 6. a fixing ring; 7. a protective cover; 8. air holes are formed; 9. a seal ring; 10. a movable buckle; 11. a support plate; 12. the gauze is used for isolating.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

As shown in fig. 1 to 7, the present invention provides a technical solution: a ventilation dustproof structure of an electric cabinet comprises a cylindrical frame 1 and a ventilation hole 3 arranged on the surface of a cabinet body 2 corresponding to the position of an internal fan, a circle of annular ribs 4 is arranged on the surface of the cabinet body 2 corresponding to the position of the ventilation hole 3, a dustproof sleeve 5 is sleeved on the surface of the cylindrical frame 1, the dustproof sleeve 5 and the cylindrical frame 1 are inserted in the annular ribs 4 and the ventilation hole 3, the opening of the dustproof sleeve 5 is turned outwards and sleeved on the surface of the annular ribs 4, the dustproof sleeve 5 is a gauze sleeve and has a dustproof effect and can be disassembled, cleaned and replaced, the dustproof sleeve 5 of a cylindrical three-dimensional structure increases the sectional area of a ventilation path compared with a dustproof net of a planar structure, the time required for fully distributing dust is increased, the frequency for cleaning dust can be reduced, the convenience is brought to the use, a fixing ring 6 is arranged at one end of the cylindrical frame 1 corresponding to the annular ribs 4, the opening position of the dustproof sleeve 5 is clamped between the fixing ring 6 and the annular ribs 4, the outside of the cabinet body 2 is provided with a protective cover 7 corresponding to the position of the ventilation hole 3, the protective cover 7 is provided with intensive ventilation holes 8, the inner wall of the protective cover 7 corresponding to the position of the fixing ring 6 is provided with a sealing ring 9 attached to the fixing ring 6, and a movable buckle 10 is arranged between the protective cover 7 and the cabinet body 2.

As a technical optimization scheme of the utility model, an arc-shaped supporting plate 11 supported below the cylindrical frame 1 and the dustproof sleeve 5 is arranged at the position, corresponding to the vent hole 3, on the inner wall of the cabinet body 2, the annular ridge 4 and the supporting plate 11 have the function of increasing the thickness of the vent hole 3, and the cylindrical frame 1 is installed to be horizontally opposite to the fan, so that the stable installation is ensured.

As a technical optimization scheme of the utility model, a cylindrical frame 1 is formed by fixedly connecting a plurality of L-shaped supporting ribs, the supporting ribs are equidistantly distributed on a fixing ring 6, a plurality of gauze partitions 12 passing through the axes of the cylindrical frame 1 are arranged inside the cylindrical frame 1, the gauze partitions 12 are fixedly connected with the supporting ribs, a fan sucks air inwards in the use process, dust in the air is blocked by a dustproof sleeve 5 and is firstly attached to one side of the inner wall of the dustproof sleeve 5, when the heat production of an electrical cabinet is reduced or the electrical cabinet is powered off, the fan is decelerated in a frequency conversion mode or stopped, a part of dust on the inner wall of the dustproof sleeve 5 falls to the bottom of the inner wall of the dustproof sleeve 5, the fan is started again to suck the dust falling to the bottom of the inner wall of the dustproof sleeve 5 again to drive the dust to fly, so that the dust in the dustproof sleeve 5 flies disorderly, the dustproof sleeve 5 is divided into a plurality of areas by arranging the gauze partitions 12 to reduce the mutual influence of the dust flying disorderly in each area, resulting in less dusty areas also being more dusty.

As a technical optimization scheme of the utility model, the top of the protective cover 7 is hinged with the surface of the cabinet body 2, the movable buckle 10 is positioned inside the protective cover 7 and below the annular ridge 4, and a hand groove is arranged on the surface of the protective cover 7 at the position below the sealing ring 9.

The working principle is as follows: sleeving a dustproof sleeve 5 on the surface of a cylindrical frame 1, arranging the dustproof sleeve into an annular rib 4 and a vent hole 3, turning an opening of the dustproof sleeve 5 outwards and sleeving the opening of the annular rib 4, turning downwards to cover a protective cover 7, attaching a sealing ring 9 on the inner wall of the protective cover 7 to a fixing ring 6, clamping the opening of the dustproof sleeve 5 by the fixing ring 6 and the annular rib 4 to fix the dustproof sleeve, and locking the protective cover 7 on the surface of a cabinet body 2 through a movable buckle 10; when the fan works, air is driven to enter the dustproof sleeve 5 through the air holes 8, the air enters the cabinet body 2 from one side of the inner wall of the dustproof sleeve 5 and the inner wall of a circle on the circumference, dust is intercepted by the dustproof sleeve 5, the gauze partition 12 can reduce the range of dust dancing in the dustproof sleeve 5 and reduce the mutual influence of the dust in each area separated by the gauze partition 12 in the dustproof sleeve 5, one side of the inner wall of the dustproof sleeve 5 is over against the fan, the dust is preferentially attached to one side of the inner wall of the dustproof sleeve 5, if the cylinder frame 1 and the dust-proof cover 5 are not removed in time to clean and replace the dust-proof cover 5 and the gauze partition 12, the inner wall of the dustproof sleeve 5 in the circle can still ensure that air normally circulates to realize ventilation and heat dissipation, the sectional area of a ventilation path of the dustproof net with a plane structure is greatly increased, the frequency of cleaning dust can be reduced, and convenience is brought to the use of the electrical cabinet.

In conclusion, the dustproof net for the plane structure of the electric cabinet solves the problem that the sectional area of a ventilation path of the dustproof net for the plane structure of the existing electric cabinet is small, and dust is easily distributed on the dustproof net to influence normal ventilation and heat dissipation by arranging the cylindrical frame 1, the ventilation holes 3 and the dustproof sleeve 5.

It should be noted that, in this document, terms such as "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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides an regulator cubicle ventilation dustproof construction, includes drum frame (1) and sets up ventilation hole (3) that correspond inside fan position department on the cabinet body (2) surface, its characterized in that: the surface of the cabinet body (2) is provided with a circle of annular ribs (4) corresponding to the positions of the ventilation holes (3), the surface of the cylinder frame (1) is sleeved with a dustproof sleeve (5), the dustproof sleeve (5) and the cylinder frame (1) are inserted into the annular ribs (4) and the ventilation holes (3), the opening of the dustproof sleeve (5) is outwards turned and sleeved on the surface of the annular ribs (4), one end of the cylinder frame (1) corresponding to the annular ribs (4) is provided with a fixing ring (6), the opening position of the dustproof sleeve (5) is clamped between the fixing ring (6) and the annular ribs (4), the position of the outer part of the cabinet body (2) corresponding to the ventilation holes (3) is provided with a protective cover (7), the protective cover (7) is provided with dense ventilation holes (8), the position of the inner wall of the protective cover (7) corresponding to the fixing ring (6) is provided with a sealing ring (9) attached to the fixing ring (6), a movable buckle (10) is arranged between the protective cover (7) and the cabinet body (2).

2. The electrical cabinet ventilation and dust prevention structure of claim 1, wherein: the inner wall of the cabinet body (2) is provided with an arc-shaped supporting plate (11) which is supported below the cylinder frame (1) and the dustproof sleeve (5) at the position corresponding to the ventilation hole (3).

3. The electrical cabinet ventilation and dust prevention structure of claim 1, wherein: the cylinder frame (1) comprises a plurality of L-shaped supporting ribs which are fixedly connected, the supporting ribs are distributed on the fixing ring (6) at equal intervals, a plurality of gauze partitions (12) passing through the axis of the cylinder frame (1) are arranged inside the cylinder frame, and the gauze partitions (12) are fixedly connected with the supporting ribs.

4. The electrical cabinet ventilation and dust prevention structure of claim 1, wherein: the top of protection casing (7) is articulated with the surface of the cabinet body (2), the activity is detained (10) and is located the inside of protection casing (7) and is located the below of cyclic annular arris (4), the position department that the surface of protection casing (7) is located sealing washer (9) below is provided with the hand groove.

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