WO2022116625A1

WO2022116625A1 - Electrical control cabinet with dust removal function

Info

Publication number: WO2022116625A1
Application number: PCT/CN2021/117373
Authority: WO
Inventors: 倪晔波
Original assignee: 太仓德纳森机电工程有限公司
Priority date: 2020-12-03
Filing date: 2021-09-09
Publication date: 2022-06-09
Also published as: DE202021105613U1; CN213485364U

Abstract

Disclosed in the present application is an electrical control cabinet with a dust removal function, which belongs to the field of electrical control cabinets. In the control cabinet, a dust removal mechanism is mounted at the bottom end of an inner wall of a control box, and is provided with a rotating roller with a filter fabric at an avoidance port between an air inlet box and a dust removal box, a friction mechanism near an air outlet of the dust removal box for statically charging the filter fabric, a static electricity eliminating mechanism near an air inlet of the dust removal box for eliminating static electricity on the filter fabric, and a heating mechanism at the bottom of an inner wall of the dust removal box for heating the filter fabric. When the filter fabric rotates into the air inlet box, the filter fabric can attract dust in an airflow to itself because of the static electricity thereon; and the filter fabric rotates to a metal rod and releases the static electricity thereon when same comes into contact with the metal rod. In addition, there is stirring friction between the filter fabric and the metal rod, such that dust attracted to the filter fabric is removed by means of the combined actions of the filter fabric and the metal rod, the dust is discharged through a dust discharging opening after falling, the filter wool can continually attract dust, and the attraction effect is good.

Description

Electrical control cabinet with dust removal function

technical field

The utility model relates to an electrical control cabinet, in particular to an electrical control cabinet with a dust removal function, which belongs to the technical field of electrical control devices.

Background technique

The control cabinet is a device that assembles switchgear, measuring instruments, protective appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on the screen according to the electrical wiring requirements. It is required to be able to facilitate maintenance without endangering the safety of persons and surrounding equipment. When the electrical control cabinet is running, it is necessary to use external air to cool and dissipate heat inside the control cabinet to prevent serious heat accumulation of electronic devices; when extracting external air, it is necessary to filter the dust in the air to avoid the long-term accumulation of dust affecting heat dissipation. To ensure the safety of internal electronic components.

The existing electrical control cabinet usually installs a filter screen at the air inlet when removing dust from the cooling airflow. Such a structure requires regular cleaning or replacement of the filter screen to ensure its dust filtering effect, which is troublesome to use.

Utility model content

The purpose of the present invention is to provide an electrical control cabinet with dust removal function to solve the problems raised in the above-mentioned background art.

To achieve the above object, the utility model provides the following technical solutions:

An electrical control cabinet with dust removal function, comprising a cabinet body, the cabinet body comprising a control box and a revolving door hinged on one side of the control box, a dust removal mechanism is positioned and installed at the bottom end of the inner wall of the control box,

The dust removal mechanism includes an air inlet box and a dust removal box fixed on the bottom wall of the air inlet box and sharing the bottom wall with the air inlet box, wherein an air inlet and an air outlet are formed at both ends of the air inlet box, and an air outlet is positioned and connected to the air outlet. A fan electrically connected to an external power source;

The bottom wall of the air inlet box is provided with a shelter opening that penetrates the air inlet box and the dust removal box, and a rotating roller that can rotate around its own central axis is connected in rotation and positioning at the shelter opening; Therefore, there are several filter hairs, and the rotation of the rotating roller drives the filter hairs to rotate in the air inlet box and the dust removal box through the escape opening;

The dust removal box is located on the bottom wall of the air inlet box and close to the air outlet, and is provided with a friction mechanism that can be in contact with the filter wool and can rub and generate static electricity; the dust removal box is located on the bottom wall of the air inlet box and close to the air inlet. A static removing mechanism capable of contacting the filter wool and eliminating static electricity on the filter wool is positioned at the bottom; a heating mechanism is positioned and installed at the bottom of the inner wall of the dust removal box, and an ash discharge port is opened at the lowest point of the dust removal box.

As a further scheme of the present invention:

The friction mechanism includes a mounting plate fixedly connected between the bottom wall of the air inlet box and the inner side wall of the dust removal box and a vibration motor fixedly connected to the mounting plate. The side of the mounting plate facing the filter hair is fixedly connected with a The rotating roller is a coaxial arc-shaped plate, and several rows of nylon rods evenly arranged in a radial shape are fixedly connected to the arc-shaped plate. The vibration of the vibration motor drives the nylon rod to vibrate and makes the nylon rod and the filter hair. Sufficient contact friction to electrostatically charge the filter wool.

As a further scheme of the present invention:

A layer of nylon friction cloth is wrapped on the peripheral outer side wall of the nylon rod.

As a further scheme of the present invention:

The mounting plate is fixedly connected with a buffer pad at the connection with the bottom wall of the air inlet box and the inner side wall of the dust removal box.

As a further scheme of the present invention:

The static elimination mechanism includes a support plate that is fixedly connected between the bottom wall of the air inlet box and the inner side wall of the dust removal box. Make sufficient contact with the metal rod during rotation to eliminate static electricity on the filter wool.

As a further scheme of the present invention:

Friction patterns are formed on the peripheral outer side walls of the metal rods.

As a further scheme of the present invention:

The heating mechanism includes a thermal insulation pad and an electric heating film, wherein the thermal insulation pad is adhered and fixed on the inner wall of the dust box, and the electrical heating film is fixedly connected at the top of the thermal insulation pad.

As a further scheme of the present invention:

The thermal insulation pad is an asbestos thermal insulation pad, and the thickness of the asbestos thermal insulation pad is 2-5 mm; the electric heating film is a graphene electric heating film.

As a further scheme of the present invention:

A motor electrically connected to an external power source is fixedly connected to the outer wall of the air inlet box, and the output end of the motor is fixed coaxially with the rotating roller.

Compared with the prior art, the beneficial effects of the present utility model are:

When the structure of the present application is in use, the motor drives the rotating roller to rotate; the heating mechanism heats and dries the filter wool; the vibration motor drives the mounting plate, the arc plate and the nylon rod to vibrate, so that the filter wool and the nylon rod are rubbed to make the filter wool belt Static electricity. The airflow enters through the air inlet of the air inlet box, and then is discharged through the air outlet of the air inlet box; when the filter wool rotates to the inside of the air inlet box, the dust in the airflow can be adsorbed to the filter wool due to the static electricity of the filter wool; When the rotating roller rotates to contact with the metal rod on the support plate, because the metal rod is metal, the filter hair contacts with it to release the static electricity carried by it, and at the same time the filter hair and the metal rod move and rub, and the two work together to remove the adsorbed particles on the filter hair. Dust, the dust is discharged through the ash discharge port after falling, and the filter hair can continuously absorb the dust, and the adsorption effect is better.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the dust removal mechanism in the utility model;

Fig. 3 is the enlarged schematic diagram at A place in Fig. 2;

Fig. 4 is the structural representation of nylon rod in the utility model;

Fig. 5 is the enlarged schematic diagram at B in Fig. 2;

FIG. 6 is a schematic diagram of the position distribution of metal rods in the utility model.

In the picture:

1. Cabinet body; 11. Control box; 12. Rotary door;

2. Dust removal mechanism; 201, ash outlet; 21, air inlet box; 22, dust removal box; 23, rotating roller; 231, filter hair; 232, motor; 24, support plate; 25, metal rod; 26, fan;

3. Friction mechanism; 31. Mounting plate; 311. Cushion pad; 32. Vibration motor; 33. Curved plate; 34. Nylon rod; 341. Friction cloth;

4. Heating mechanism; 41. Heat insulation pad; 42. Electric heating film.

Detailed ways

Please refer to FIGS. 1 to 6 , an electrical control cabinet with dust removal function is described in detail in this specific embodiment. The electrical control cabinet includes a cabinet body 1, the cabinet body 1 includes a control box 11 and a rotating door 12 hinged on one side of the control box, and a dust removal mechanism 2 is positioned at the bottom end of the inner wall of the control box 11.

The dust removal mechanism 2 includes an air inlet box 21 and a dust removal box 22 fixed on the bottom wall of the air inlet box and sharing the bottom wall with the air inlet box. Both the air inlet box and the dust removal box are semicircular structures. The air inlet box 21 forms an air inlet and an air outlet at opposite ends on the radial plane, and a fan 26 electrically connected to an external power source is positioned and connected to the air outlet, and the fan is used for air extraction.

The bottom wall of the air inlet box 21 is provided with an escape opening 202 that penetrates the air intake box and the dust removal box, and a rotating roller 23 that can rotate around its own central axis is connected in rotation and positioning at the escape opening. Its specific structure is: the air intake box A motor 232 (preferably the model is ZYT63C-002) is fixedly connected to the outer wall of the 21, and the output end of the motor 232 is coaxially fixed with the rotating roller 23, and the rotation of the motor drives the rotating roller to rotate. A number of filter hairs 231 are arranged on the peripheral outer side wall of the rotating roller, and the rotation of the rotating roller drives the filter hairs to rotate in the air inlet box and the dust removal box through the escape opening.

A friction mechanism 3 capable of contacting the filter hairs and capable of rubbing static electricity is positioned in the dust removal box 22 on the bottom wall of the air inlet box near the air outlet. The friction mechanism 3 includes a mounting plate 31 fixedly connected between the bottom wall of the air inlet box and the inner side wall of the dust removal box and a vibration motor 32 fixedly connected to the mounting plate. The side of the mounting plate 31 facing the filter hair 231 is fixedly connected with a The arc-shaped plate 33 of the rotating roller is coaxial, and the arc-shaped plate 33 is fixedly connected with several rows of nylon rods 34 that are evenly arranged in a radial shape. The filter wool is electrostatically charged. More preferably, a layer of nylon friction cloth 341 is wrapped on the peripheral outer side wall of the nylon rod 34, and static electricity is more likely to be generated when the nylon material friction cloth and the filter wool rub against each other. More preferably, the mounting plate 31 is fixedly connected with a buffer pad 311 at the connection with the bottom wall of the air inlet box and the inner side wall of the dust box. An ash discharge port 201 is provided at the lowest point of the dust removal box, and the dropped dust can be discharged from the ash discharge port.

In the dust removal box 22, a static elimination mechanism capable of contacting with the filter wool and capable of eliminating static electricity on the filter wool is positioned on the bottom wall of the air inlet box near the air inlet. The static elimination mechanism includes a support plate 24 that is fixedly connected between the bottom wall of the air inlet box and the inner side wall of the dust removal box. The support plate 24 is fixedly connected with several rows of metal rods 25 in a radial shape and arranged in a staggered manner. This specific embodiment The middle metal rods are arranged in three rows, and the filter hairs 231 are in full contact with the metal rods during the rotation process to eliminate static electricity on the filter hairs. More preferably, the outer peripheral wall of the metal rod 25 is provided with friction lines, the friction lines can increase the friction between the metal rod and the filter hair, and the dust drop is more effective.

A heating mechanism 4 is positioned and installed at the bottom of the inner wall of the dust box 22. The heating mechanism includes a heat insulation pad 41 and an electric heating film 42, wherein the heat insulation pad 41 is glued and fixed on the inner wall of the dust box 22, and the electric heating film is fixedly connected to the partition. at the top of the thermal pad. The above-mentioned thermal insulation pad 41 is an asbestos thermal insulation pad, and the thickness of the asbestos thermal insulation pad is 2-5 mm; the electric heating film 42 is a graphene electric heating film. After the electric heating film is energized, the filter wool can be heated and dried, and the heat insulation pad can isolate the heat generated by the electric heating film to prevent further heat conduction. 2mm, which can not only ensure effective heat insulation effect, but also meet the requirements of light and thin.

When the structure of the present application is in use, the motor 232 drives the rotating roller 23 to rotate so that the filter wool rotates in the air inlet box and the dust removal box; the heating mechanism 4 is plugged in and activated to heat and dry the filter wool 231; the vibration motor 32 drives the mounting plate 31, The arc-shaped plate 33 and the nylon rod 34 vibrate, and the filter hair 231 is rubbed against the nylon rod 34 to make the filter hair 231 have static electricity. The airflow enters through the air inlet of the air inlet box 21, and then is discharged through the air outlet of the air inlet box 21; when the filter wool 231 rotates to the inside of the air inlet box 21, since the filter wool 231 has static electricity, the dust in the airflow can be adsorbed to the filter wool 231; when the filter wool 231 rotates with the rotating roller to contact with the metal rod 25 on the support plate 24, since the metal rod 25 is metal, the filter wool 231 contacts with it to release the static electricity carried, and at the same time, the filter wool and the metal rod 25 are moved. Dynamic friction, the two work together to remove the dust adsorbed on the filter wool 231. After the dust falls, it is discharged through the ash discharge port 201, so the filter wool can continuously absorb the dust, and the adsorption effect is better.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims

An electrical control cabinet with dust removal function, comprising a cabinet body (1), the cabinet body (1) comprising a control box (11) and a rotating door (12) hinged on one side of the control box, characterized in that: the A dust removal mechanism (2) is positioned and installed at the bottom end of the inner wall of the control box (11),

The dust removal mechanism (2) comprises an air inlet box (21) and a dust removal box (22) fixed on the bottom wall of the air inlet box and sharing the bottom wall with the air inlet box, wherein the two ends of the air inlet box (21) form air inlets and an air outlet, and a fan (26) electrically connected to an external power source is positioned and connected to the air outlet;

The bottom wall of the air inlet box (21) is provided with an escape port (202) that penetrates the air inlet case and the dust removal box, and a rotating roller (23) that can rotate around its own central axis is connected in a rotational position at the escape port; A number of filter hairs (231) are arranged on the peripheral outer side wall of the rotating roller, and the rotation of the rotating roller drives the filter hairs to rotate in the air inlet box and the dust removal box through the escape opening;

The dust removal box (22) is located on the bottom wall of the air inlet box near the air outlet and is provided with a friction mechanism (3) capable of contacting the filter wool and capable of rubbing static electricity; On the bottom wall of the bellows near the air inlet, a static elimination mechanism capable of contacting the filter hairs and capable of eliminating static electricity on the filter hairs is positioned; a heating mechanism (4) is positioned and installed at the bottom of the inner wall of the dust removal box (22), and An ash discharge port (201) is provided at the lowest point of the dust removal box.
The electrical control cabinet with dust removal function according to claim 1, characterized in that: the friction mechanism (3) comprises a mounting plate (31) fixedly connected between the bottom wall of the air inlet box and the inner side wall of the dust removal box, and a fixed connection The vibration motor (32) on the mounting plate, the side of the mounting plate (31) facing the filter hair (231) is fixedly connected with an arc-shaped plate (33) coaxial with the rotating roller, the The arc-shaped plate (33) is fixedly connected with several rows of nylon rods (34) that are evenly arranged in a radial shape, and the vibration of the vibration motor drives the nylon rods to vibrate and make the nylon rods fully contact and rub with the filter hairs to make the filter hairs With static electricity.
The electrical control cabinet with dust removal function according to claim 2, characterized in that: the outer peripheral wall of the nylon rod (34) is wrapped with a layer of nylon friction cloth (341).
The electrical control cabinet with dust removal function according to claim 2, characterized in that: the mounting plate (31) is fixedly connected with a buffer pad (311) at the connection with the bottom wall of the air inlet box and the inner side wall of the dust removal box. .
The electrical control cabinet with dust removal function according to claim 1, characterized in that: the static elimination mechanism comprises a support plate (24) fixedly connected between the bottom wall of the air inlet box and the inner side wall of the dust removal box, and the support plate (24) is fixedly connected with several rows of metal rods (25) in a radial shape and staggered with each other, and the filter hairs (231) are in full contact with the metal rods during the rotation process to eliminate static electricity on the filter hairs. .
The electrical control cabinet with dust removal function according to claim 5, characterized in that: friction lines are formed on the peripheral outer side walls of the metal rods (25).
The electrical control cabinet with dust removal function according to claim 1, characterized in that: the heating mechanism (4) comprises a thermal insulation pad (41) and an electric heating film (42), wherein the thermal insulation pad (41) It is glued and fixed on the inner wall of the dust box (22), wherein the electric heating film is fixedly connected at the top end of the heat insulation pad.
The electrical control cabinet with dust removal function according to claim 7, characterized in that: the thermal insulation pad (41) is an asbestos thermal insulation pad, and the thickness of the asbestos thermal insulation pad is 2-5 mm; The electric heating film (42) is a graphene electric heating film.
The electrical control cabinet with dust removal function according to claim 1, characterized in that: a motor (232) electrically connected to an external power supply is fixedly connected to the outer wall of the air inlet box (21), and the motor (232) is The output end is fixed coaxially with the rotating roller (23).