CN219329532U

CN219329532U - Cooling device of low-voltage switch cabinet

Info

Publication number: CN219329532U
Application number: CN202223287922.4U
Authority: CN
Inventors: 郑琼琼
Original assignee: Norxun Electric Co ltd
Current assignee: Norxun Electric Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-07-11
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a cooling device of a low-voltage switch cabinet, which comprises a connecting mechanism, a ventilation mechanism and a heat conduction mechanism. The utility model effectively improves the ventilation and cooling efficiency by arranging the connecting mechanism at the front end of the ventilation mechanism and the connecting mechanism is composed of the connecting plate, the expansion film, the locking hole and other components, and can mount the ventilation mechanism to ventilation openings with different shapes or sizes for cooling under the mutual cooperation, and does not need to find ventilation devices matched with the ventilation openings with different shapes and sizes, thereby effectively reducing the use cost.

Description

Cooling device of low-voltage switch cabinet

Technical Field

The utility model relates to the related field of low-voltage switch cabinets, in particular to a cooling device of a low-voltage switch cabinet.

Background

The low-voltage switch cabinet is a cabinet suitable for power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and other industries and used for power transmission, distribution and electric energy conversion, and various circuits or parts in the cabinet can generate heat during working, and if the circuits or parts are not discharged and cooled in time, faults possibly occur to generate potential safety hazards.

At present, the cooling device is mainly divided into an air cooling device and a liquid cooling device, but the liquid cooling device is higher in working cost and maintenance cost, larger in size and not suitable for a low-voltage switch cabinet.

Most of the existing air-cooling equipment is installed at the ventilation openings formed in the outer side of the cabinet for ventilation and cooling, but the size and shape of the ventilation openings formed in the cabinets of different brands of different manufacturers are different, in actual use, if the ventilation equipment is replaced, a device matched with the ventilation openings is required to be found, so that the equipment is inconvenient, the use cost is increased, and the equipment is difficult to adapt to different demands of different environments and has certain limitation.

Disclosure of Invention

Therefore, in order to solve the defects, the utility model provides a cooling device of a low-voltage switch cabinet.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a heat sink of low tension switchgear, includes coupling mechanism, coupling mechanism's rear end is equipped with the ventilation mechanism that can ventilate heat dissipation cooling to low tension switchgear, ventilation mechanism's rear end is equipped with the heat conduction mechanism that improves radiating efficiency.

Preferably, the connecting mechanism comprises a connecting plate, an expansion membrane and a locking hole, the expansion membrane is connected to the outer side of the connecting plate, the locking hole is arranged at the position, close to the outer side, of the front end face of the expansion membrane, and the back of the connecting plate is connected with the ventilation mechanism.

Preferably, the ventilation mechanism includes ventilation box, ventilation fan and dustproof plate hole, the preceding terminal surface middle-end of ventilation box is equipped with the through-hole, be equipped with ventilation fan in the through-hole, the outside rear end of establishing ventilation fan is equipped with four sets of connecting pieces, and the other end and the interior rear end of through-hole of four sets of connecting pieces are connected, the top front and back end of ventilation box respectively is equipped with a set of dustproof plate hole, the preceding terminal surface of ventilation box is connected with the rear end face of connecting plate, and the through-hole that the terminal surface was established in ventilation box front end runs through connecting plate rear end face middle part.

Preferably, the heat conduction mechanism is two sets of about sharing, and the subassembly and the relation of connection of two sets of heat conduction mechanisms are the same, and the left end heat conduction mechanism includes heat-conducting plate, connecting rod, connecting piece, motor cabinet and motor, the preceding terminal surface of heat-conducting plate is equipped with the connecting rod, the top of connecting rod is equipped with the connecting piece, the bottom of connecting rod is equipped with the motor cabinet, the inside of motor cabinet is equipped with the motor, and the drive shaft of motor runs through the interior top and the connecting rod bottom of motor cabinet and is connected, the connecting piece is connected in the back upper and lower ends of ventilating box respectively with the preceding terminal surface of motor cabinet.

Preferably, the heat conducting plate comprises a heat conducting coating, a heat conducting layer and a bottom plate, wherein the heat conducting coating is the outermost layer, the heat conducting layer is connected to the inside of the heat conducting coating, and the bottom plate is connected to the inside of the heat conducting layer.

Preferably, the locking holes are distributed on the front end face of the expansion membrane at equal intervals, the inner side of each locking hole is provided with a metal ring, and the outer side of each metal ring is connected with the expansion membrane.

Preferably, the front and rear groups of dustproof plate holes are respectively positioned at the front and rear sides of the ventilating fan, and the bottom of each dustproof plate hole is provided with a magnetic adhesive tape.

The utility model has the beneficial effects that:

the utility model effectively improves the ventilation and cooling efficiency by arranging the connecting mechanism at the front end of the ventilation mechanism and the connecting mechanism is composed of the connecting plate, the expansion film, the locking hole and other components, and can mount the ventilation mechanism to ventilation openings with different shapes or sizes for cooling under the mutual cooperation, and does not need to find ventilation devices matched with the ventilation openings with different shapes and sizes, thereby effectively reducing the use cost.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a right side view of the present utility model;

FIG. 5 is a schematic view showing the internal structure of the heat-conducting plate of the present utility model.

Wherein: the air conditioner comprises a connecting mechanism-1, an air ventilation mechanism-2, a heat conducting mechanism-3, a connecting plate-11, an expansion membrane-12, a locking hole-13, an air ventilation box body-21, an air ventilation fan-22, a dustproof plate hole-23, a heat conducting plate-31, a connecting rod-32, a connecting piece-33, a motor cabinet-34, a motor-34 a, a heat conducting coating-31 a, a heat conducting layer-31 b and a bottom plate-31 c.

Detailed Description

In order to further explain the technical scheme of the utility model, the following is explained in detail through specific examples.

Referring to fig. 1, the utility model provides a cooling device for a low-voltage switch cabinet, which comprises a connecting mechanism 1, wherein a ventilation mechanism 2 capable of ventilating, radiating and cooling the low-voltage switch cabinet is connected to the rear end of the connecting mechanism 1, and a heat conduction mechanism 3 for improving the radiating efficiency is welded to the rear end of the ventilation mechanism 2.

Referring to fig. 2, the utility model provides a cooling device of a low-voltage switch cabinet, a connection mechanism 1 comprises a connection plate 11, an expansion film 12 and locking holes 13, the outer side of the connection plate 11 is connected with the expansion film 12, such as heat-conducting rubber, and can be stretched to increase the connection area, eight groups of locking holes 13 are equidistantly arranged at the position, close to the outer side, of the front end surface of the expansion film 12, a metal ring is arranged at the inner side of the locking holes 13, so that the cooling device can be more stable when being connected with a cabinet, the expansion film 12 is protected from damage, the outer side of the metal ring is connected with the expansion film 12, and the back of the connection plate 11 is welded on the front end surface of a ventilation box 21.

Referring to fig. 3, the cooling device of the low-voltage switch cabinet provided by the utility model is characterized in that the ventilation mechanism 2 comprises a ventilation box 21, a ventilation fan 22 and a dustproof plate hole 23, a through hole is formed in the middle end of the front end face of the ventilation box 21, the ventilation fan 22 is arranged in the through hole, four groups of connecting pieces are welded at the rear end of the outer side of the ventilation fan 22, the other ends of the four groups of connecting pieces are welded with the rear end in the through hole, the ventilation fan 22 can be fixed, a group of dustproof plate holes 23 are respectively formed in the front end and the rear end of the top of the ventilation box 21, the dustproof plate can be placed in the dustproof plate holes 23, the front end and the rear end of the dustproof plate holes 23 are respectively positioned in the front and the rear of the ventilation fan 22, the use of the ventilation fan 22 cannot be influenced after the dustproof plate holes 23 are placed in the dustproof plate holes, magnetic adhesive tapes are arranged at the bottom of the dustproof plate holes 23, the front end face of the ventilation box 21 and the rear end face of the connecting plate 11 are welded, the through the middle of the rear end face of the through hole 11 is arranged at the middle of the front end face of the ventilation box 21, and the connecting plate 11 cannot influence the use operation of the ventilation fan 22.

Referring to fig. 4, the cooling device of the low-voltage switch cabinet is provided in the utility model, the heat conducting mechanism 3 has two groups, the components and connection relation of the two groups of heat conducting mechanisms 3 are the same, the left-end heat conducting mechanism 3 comprises a heat conducting plate 31, a connecting rod 32, a connecting piece 33, a motor cabin 34 and a motor 34a, the connecting rod 32 is welded on the front end face of the heat conducting plate 31, the connecting piece 33 is welded on the top end of the connecting rod 32, the bottom end of the connecting rod 32 is connected with the motor cabin 34, the motor 34a is fixedly arranged in the motor cabin 34 through screws, a driving shaft of the motor 34a penetrates through the inner top end of the motor cabin 34 and is connected with the flange at the bottom of the connecting rod 32, the connecting rod 32 can be driven to rotate through the driving shaft of the motor 34a, so that the heat conducting plate 31 can rotate and conduct heat, the connecting piece 33 and the front end face of the motor cabin 34 are welded on the upper end and the rear end of the ventilation box 21 respectively, and the heat conducting plate 31 can rotate and conduct heat conduction between the connecting piece 33 and the motor cabin 34.

Referring to fig. 5, the heat-conducting plate 31 includes a heat-conducting coating 31a, a heat-conducting layer 31b and a bottom plate 31c, wherein the heat-conducting coating 31a is an outermost layer, such as a silicone grease coating, and has better heat conductivity, the heat-conducting layer 31b is connected to the inside of the heat-conducting coating 31a, such as an aluminum alloy plate, and has better heat conductivity, so that the heat-conducting efficiency is improved, the bottom plate 31c is connected to the inside of the heat-conducting layer 31b, and a connecting rod 32 is welded to the left side of the bottom plate 31c, so as to drive the heat-conducting plate 31 to rotate.

The working principle is as follows:

the utility model is put into proper position for use, firstly, the position of the ventilation opening of the cabinet is found, then one locking hole 13 is fixed on one side of the ventilation opening of the cabinet through a fixed connecting piece such as a screw, and the other locking holes 13 are sequentially fixed, and the ventilation fan 22 can be opposite to the ventilation opening, after all the locking holes 13 are fixed, the dustproof plate is inserted into the dustproof plate hole 23, then the ventilation fan 22 and the motor 34a are sequentially started, at this time, the ventilation fan 22 rotates to extract hot air in the cabinet, the hot air is discharged outwards through a through hole arranged at the middle end of the front end face of the ventilation box body 21, at this time, the motor 34a drives the shaft to rotate to drive the connecting rod 32 to rotate, so that the heat conducting plate 31 can rotate, heat conduction is carried out on the discharged hot air, and the temperature inside the cabinet is reduced.

The utility model provides a cooling device of a low-voltage switch cabinet, which is characterized in that the cooling device is formed by connecting plates, expansion films, locking holes and other components through the connecting mechanisms arranged at the front ends of the ventilation mechanisms, the ventilation mechanisms can be installed to ventilation openings with different shapes or sizes to cool down under the mutual cooperation, the ventilation cooling efficiency is effectively improved, the ventilation devices matched with the ventilation openings with different shapes and sizes are not required to be searched for, the use cost is effectively reduced, and the cooling device is convenient to use, quick to install, flexible to be applied to different ventilation openings, capable of meeting the requirements, and high in practicability.

The foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a heat sink of low tension switchgear which characterized in that: the low-voltage switch cabinet cooling and ventilating device comprises a connecting mechanism (1), wherein the rear end of the connecting mechanism (1) is provided with a ventilating mechanism (2) capable of ventilating, radiating and cooling a low-voltage switch cabinet, the rear end of the ventilating mechanism (2) is provided with a heat conducting mechanism (3) capable of improving radiating efficiency, the connecting mechanism (1) comprises a connecting plate (11), an expansion membrane (12) and a locking hole (13), the outer side of the connecting plate (11) is connected with the expansion membrane (12), the position, close to the outer side, of the front end face of the expansion membrane (12) is provided with the locking hole (13), the back of the connecting plate (11) is connected with the ventilating mechanism (2), the ventilating mechanism (2) comprises a ventilating box body (21), a ventilating fan (22) and a dustproof plate hole (23), the middle end of the front end face of the ventilating box body (21) is provided with a through hole, the ventilating fan (22) is arranged in the through hole, the outer side rear end of the ventilating fan (22) is provided with four groups of connecting pieces, the other ends of the four groups of connecting pieces are connected with the inner rear end of the through hole, the front end face and the rear end of the top of the ventilating box body (21) are respectively provided with a group of dustproof box body (23), the front end face (21) and the right end face of the ventilating box body (21) is provided with the ventilating fan (21) and the ventilating fan (22) is provided with the ventilating fan, the ventilating fan (22) and the ventilating device, the ventilating device is provided with the ventilating device and the ventilating device. And the subassembly and the relation of connection of two sets of heat conduction mechanism (3) are the same, left end heat conduction mechanism (3) are including heat-conducting plate (31), connecting rod (32), connecting piece (33), motor cabinet (34) and motor (34 a), the preceding terminal surface of heat-conducting plate (31) is equipped with connecting rod (32), the top of connecting rod (32) is equipped with connecting piece (33), the bottom of connecting rod (32) is equipped with motor cabinet (34), the inside of motor cabinet (34) is equipped with motor (34 a), and the drive shaft of motor (34 a) runs through the interior top of motor cabinet (34) and is connected with connecting rod (32) bottom, the preceding terminal surface of connecting piece (33) and motor cabinet (34) is connected in the back upper and lower ends of ventilation box (21) respectively.

2. The cooling device of a low voltage switchgear as claimed in claim 1, wherein: the heat conduction plate (31) comprises a heat conduction coating (31 a), a heat conduction layer (31 b) and a bottom plate (31 c), wherein the heat conduction coating (31 a) is the outermost layer, the heat conduction layer (31 b) is connected to the inside of the heat conduction coating (31 a), and the bottom plate (31 c) is connected to the inside of the heat conduction layer (31 b).

3. The cooling device of a low voltage switchgear as claimed in claim 1, wherein: eight groups of locking holes (13) are distributed on the front end face of the expansion membrane (12) at equal intervals, and a metal ring is arranged on the inner side of the locking holes (13), and the outer side of the metal ring is connected with the expansion membrane (12).

4. The cooling device of a low voltage switchgear as claimed in claim 1, wherein: the front and rear groups of dustproof plate holes (23) are respectively positioned at the front and rear sides of the ventilating fan (22), and magnetic adhesive tapes are arranged at the bottoms of the dustproof plate holes (23).