CN217469246U

CN217469246U - Dustproof heat abstractor of cubical switchboard

Info

Publication number: CN217469246U
Application number: CN202221295039.7U
Authority: CN
Inventors: 孙中泽; 王小非; 孙艳玲
Original assignee: Nanyang Zerui Electric Technology Co ltd
Current assignee: Nanyang Zerui Electric Technology Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-09-20
Anticipated expiration: 2032-05-27

Abstract

The utility model relates to a dustproof heat dissipation device of a switch cabinet, which can effectively solve the problem that a heat dissipation fan of the switch cabinet is easy to block, and adopts the technical proposal that the dustproof heat dissipation device comprises a cabinet body, wherein the left side of the cabinet body is provided with an upper air outlet fan and a lower air outlet fan, and the right side of the cabinet body is provided with an upper air inlet fan and a lower air inlet fan; the right side of the cabinet body is provided with an upper filter screen and a lower filter screen which are in one-to-one correspondence with the air inlet fans; the upper filter screen and the lower filter screen can move up and down and reset downwards; a motor is installed on the cabinet body, a wire wheel is installed on an output shaft of the motor, a first rope is fixed on the wire wheel, two ends of the first rope are respectively fixed with the lower ends of the two filter screens, and the wire wheel rotates in a reciprocating manner to drive the two filter screens to move up and down synchronously; a brush is arranged on the right side of each filter screen; the utility model discloses the benefit can utilize the convection current wind channel to realize the abundant heat dissipation to the cabinet body.

Description

Dustproof heat abstractor of cubical switchboard

Technical Field

The utility model relates to a cubical switchboard technical field, especially a cubical switchboard heat abstractor that prevents dust.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like; all kinds of electrical equipment can produce the heat in the cubical switchboard, and too much heat gives off and does not go out ageing equipment easily, reduces equipment life.

The cubical switchboard heat dissipation generally adopts the mode that a plurality of fans directly blow, wherein to the fan of convulsions, need add the filter screen, prevents that dust or other debris from entering into the inside of cubical switchboard, and need not add the filter screen to the fan of air-out. Especially, in some outdoor switch cabinets, various sundries exist due to the complex environment, and a filter screen on the outer side of an air draft fan is easy to block, so that the heat dissipation is influenced. At present, no good solution is provided for solving the problem, and the effects of back flushing and filter screen replacement are limited.

Disclosure of Invention

To the above situation, for solving the problem that exists among the prior art, the utility model aims at providing a cubical switchboard heat abstractor that prevents dust can effectively solve the problem that cubical switchboard radiator fan easily blockked up.

The technical scheme for solving the problem is that the air conditioner comprises a cabinet body, wherein an upper air outlet fan and a lower air outlet fan are installed on the left side of the cabinet body, and an upper air inlet fan and a lower air inlet fan are installed on the right side of the cabinet body; the right side of the cabinet body is provided with an upper filter screen and a lower filter screen which are in one-to-one correspondence with the air inlet fans; the upper filter screen and the lower filter screen can move up and down and reset downwards; a motor is installed on the cabinet body, a wire wheel is installed on an output shaft of the motor, a first rope is fixed on the wire wheel, two ends of the first rope are respectively fixed with the lower ends of the two filter screens, and the wire wheel rotates in a reciprocating manner to drive the two filter screens to move up and down synchronously; the right side of each filter screen is provided with a brush.

The upper part of each filter screen is fixed with a supporting wheel, the upper end of each filter screen is connected with a second rope, the other end of each second rope is fixed with a gravity ball, and the middle part of each second rope is reversed through the supporting wheels.

The lower end of the first rope penetrates through the left side wall of the cabinet body and is wound below the filter screen below the cabinet body, and the middle of the first rope is reversed through the reversing wheels.

When the first rope is in a loose state, the gravity ball is positioned in the middle of the filter screen.

The utility model discloses the benefit: 1. can utilize the convection current wind channel to realize the abundant heat dissipation to the cabinet body.

2. By utilizing the up-and-down movement of the filter screen, the non-stop screen change and the self-cleaning of the filter screen are realized.

3. The air flow can be utilized to blow the gravity ball to realize knocking and cleaning of the filter screen.

4. The cleaning is automatically timed through the controller, and the manual maintenance is avoided.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a front sectional view of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1 to 3, the utility model comprises a cabinet body 1, wherein an upper air outlet fan 2 and a lower air outlet fan 2 are installed on the left side of the cabinet body 1, and an upper air inlet fan 3 and a lower air inlet fan 3 are installed on the right side of the cabinet body 1; the right side of the cabinet body 1 is provided with an upper filter screen 4 and a lower filter screen 4 which are in one-to-one correspondence with the air inlet fans 3; the upper and lower filter screens 4 can move up and down and reset downwards; a motor 5 is installed on the cabinet body 1, a wire wheel 6 is installed on an output shaft of the motor 5, a first rope 7 is fixed on the wire wheel 6, two ends of the first rope 7 are respectively fixed with the lower ends of the two filter screens 4, and the wire wheel 6 rotates in a reciprocating manner to drive the two filter screens 4 to synchronously move up and down; a brush 8 is mounted to the right side of each screen 4.

In order to better realize the cleaning of the filter screens 4, a supporting wheel 9 is fixed above each filter screen 4, the upper ends of the filter screens 4 are connected with second ropes 10, the other ends of the second ropes 10 are fixed with gravity balls 11, and the middle parts of the second ropes 10 are reversed through the supporting wheels 9.

In order to fix the lower end of the first rope 7 and the lower end of the lower filter screen 4, the lower end of the first rope 7 penetrates through the left side wall of the cabinet body 1 and winds below the lower filter screen 4, and the middle of the first rope 7 is reversed through a plurality of reversing wheels.

In order to achieve a knock on the sieve 4, said first rope 7 is in a relaxed state, in which the gravity ball 11 is located in the middle of the sieve 4.

In order to realize the up-and-down movement of the filter screens 4 and the installation of the brushes 8, the cabinet body 1 is provided with a frame 12 corresponding to each filter screen 4, the filter screens 4 penetrate through the frame 12, and the brushes 8 are installed on the frame 12; the lower end of the brush 8 is hinged with a frame 12, a tension spring 13 is connected between the brush 8 and the frame 12, and the tension spring 13 enables the brush 8 to return to the side of the filter screen 4.

In order to realize the reciprocating rotation of the wire wheel 6, the motor 5 is controlled by a driver.

In order to realize the self-cleaning and replacement of the filter screen 4, the length of the filter screen 4 is twice the width of the air inlet fan 3.

The utility model discloses during the use, at first start air outlet fan 2 and air inlet fan 3, through the convection current, can realize the quick heat dissipation to the whole cabinet body 1 inside. Since the intake fan 3 blows air toward the inside of the cabinet 1, foreign materials in the external environment are adsorbed onto the filter screen 4.

After the blockage reaches a certain degree, the controller drives the motor 5 to rotate, and after the motor 5 rotates, the middle part of the first rope 7 is fixed with the wire wheel 6, so that the wire wheel 6 can wind the first rope 7 on the wire wheel 6, and the upper end and the lower end of the first rope 7 start to be tightened; by pulling the upper and lower ends of the first rope 7, both the filter net 4 placed on the upper side and the filter net 4 placed on the lower side synchronously move downward.

The length of the filter screen 4 is greater than the width of the air inlet fan 3; along with the removal of filter screen 4, different positions on filter screen 4 can correspond with air intake fan 3, have realized filter screen 4's quick incessant change.

On the other hand, as the upper side and the lower side of each filter screen 4 are provided with one brush 8, and the tension spring 13 connected to the brush 8 can reset the brush 8 towards the filter screen 4, the brush moves along with the filter screen 4; the brush 8 can remove the impurities adhered on the filter screen 4. And most of the cleaned sundries are isolated at the upper side and the lower side of the air inlet fan 3.

Through several back and forth movements, the sundries on the filter screen 4 can be fully cleaned, and meanwhile, the whole process does not need to be stopped or a fan needs to blow back; continuous heat dissipation is guaranteed.

When the motor 5 is reset, the filter screen 4 is reset upwards under the action of the second rope 10 and the gravity ball 11; at this time, the gravity ball 11 is also reset to correspond to the filter screen 4; along with the blowing of the air flow, the gravity ball 11 can continuously knock the filter screen 4, so that large sundries on the filter screen 4 can be automatically separated. Automatic cleaning to a certain extent is realized.

Claims

1. A dustproof heat dissipation device of a switch cabinet comprises a cabinet body (1) and is characterized in that an upper air outlet fan and a lower air outlet fan (2) are mounted on the left side of the cabinet body (1), and an upper air inlet fan and a lower air inlet fan (3) are mounted on the right side of the cabinet body (1); the right side of the cabinet body (1) is provided with an upper filter screen and a lower filter screen (4) which are in one-to-one correspondence with the air inlet fans (3); the upper and lower filter screens (4) can move up and down and reset downwards; a motor (5) is installed on the cabinet body (1), a wire wheel (6) is installed on an output shaft of the motor (5), a first rope (7) is fixed on the wire wheel (6), two ends of the first rope (7) are respectively fixed with the lower ends of the two filter screens (4), and the wire wheel (6) rotates in a reciprocating mode to drive the two filter screens (4) to move up and down synchronously; the right side of each filter screen (4) is provided with a brush (8).

2. The dustproof heat dissipation device for the switch cabinet according to claim 1, wherein a support wheel (9) is fixed above each filter screen (4), the upper end of each filter screen (4) is connected with a second rope (10), the other end of each second rope (10) is fixed with a gravity ball (11), and the middle part of each second rope (10) is reversed through the support wheel (9).

3. The dustproof heat dissipation device for the switch cabinet according to claim 1, wherein the lower end of the first rope (7) penetrates through the left side wall of the cabinet body (1) and is wound to the lower part of the filter screen (4) positioned below the lower part, and the middle part of the first rope (7) is reversed through a plurality of reversing wheels.

4. The dustproof heat sink for switch cabinets according to claim 1, wherein when the first rope (7) is in a loose state, the gravity ball (11) is located in the middle of the filter screen (4).

5. The dustproof heat dissipation device of the switch cabinet according to claim 1, wherein a frame (12) corresponding to each filter screen (4) is installed on the cabinet body (1), the filter screens (4) penetrate through the frame (12), and the brushes (8) are installed on the frame (12); the lower end of the brush (8) is hinged with the square frame (12), a tension spring (13) is connected between the brush (8) and the square frame (12), and the tension spring (13) enables the brush (8) to reset towards one side of the filter screen (4).

6. The dustproof heat sink for switch cabinets of claim 1, wherein the motor (5) is controlled by a driver.

7. The dustproof heat dissipation device for the switch cabinet as claimed in claim 1, wherein the length of the filter screen (4) is twice the width of the air intake fan (3).