A dust removal structure for a PLC control cabinet

Abstract

The present invention relates to the field of PLC control cabinets, and discloses a dust removal structure for a PLC control cabinet, comprising a control cabinet body, through grooves are respectively opened on both sides of the control cabinet body, and each through groove of the control cabinet body is respectively fixedly installed with a side heat dissipation component, a cover plate is fixedly connected to the top of the control cabinet body, and a dust removal component is fixedly installed on the top of the cover plate, one end of the dust removal component is connected to one end of an air intake hood through a pipeline, and the air intake hood is fixedly installed at the bottom of the cover plate, and the other end of the dust removal component is connected to one end of an air extraction pump through a pipeline. The dust removal structure of the present invention facilitates the dust removal process of the control cabinet body and has a good heat dissipation effect.

Description

Technical Field

[0001] The invention relates to the field of PLC control cabinets, and in particular to a dust removal structure for a PLC control cabinet. Background Art

[0002] PLC programmable logic controller is a digital computing and operating electronic system specially designed for use in industrial environments. It controls various types of mechanical equipment or production processes through digital or analog input and output. PLC control cabinet can complete equipment automation and process automation control.

[0003] PLC control cabinet refers to programmable control cabinet. Control cabinet refers to a complete set of control cabinets, which are electrical cabinets that can realize the control of motors and switches. PLC control cabinet has protection functions such as overload, short circuit, and phase loss protection. It can be combined according to the actual control scale. It can realize single-cabinet automatic control and multiple cabinets through industrial Ethernet or industrial field bus network to form a distributed control system. PLC control cabinet can adapt to various industrial automation control occasions of different sizes and is widely used in electric power, metallurgy, chemical industry, papermaking, environmental protection, sewage treatment and other industries. However, there are still some shortcomings in the PLC control cabinets on the market, which affect people's use. For example, the control cabinet body does not have a special heat dissipation device, the heat dissipation effect is poor, it is difficult to meet the heat dissipation requirements of the PLC control cabinet, and the dustproof effect is poor. Summary of the invention

[0004] The purpose of the present invention is to provide a PLC control cabinet dust removal structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a PLC control cabinet dust removal structure, comprising a control cabinet body, through grooves are respectively opened on both sides of the control cabinet body, and each control cabinet body through groove is respectively fixedly installed with a side heat dissipation component, a cover plate is fixedly connected to the top of the control cabinet body, and a dust removal component is fixedly installed on the top of the cover plate, one end of the dust removal component is connected to one end of an air intake hood through a pipe, and the air intake hood is fixedly installed on the bottom end of the cover plate, and the other end of the dust removal component is connected to one end of an air pump through a pipe.

[0006] Preferably, each of the side heat dissipation components comprises two mounting blocks respectively fixedly connected to one end of the control cabinet body, and two heat dissipation plates are fixedly connected between the two mounting blocks.

[0007] Preferably: a ventilation cavity is provided between the two heat dissipation plates, and an activated carbon layer is fixedly provided in the ventilation cavity along the vertical direction.

[0008] Preferably, each heat sink has an inclined through hole, and two sides of the through hole of one heat sink are respectively connected to the ventilation cavity and the control cabinet body, and two sides of the through hole of another heat sink are respectively connected to the ventilation cavity and the external environment.

[0009] Preferably, the dust removal assembly comprises a dust removal box fixedly mounted on the top of the cover plate, and the dust removal box has a chamber.

[0010] Preferably: a plurality of first mounting plates are installed parallel to the inner wall of the dust removal box chamber in the vertical direction, and the outer side of each first mounting plate is fixedly connected to the bottom and both sides of the inner wall of the dust removal box, and a gap is left between the top of the first mounting plate and the top of the inner wall of the dust removal box chamber.

[0011] Preferably: a second mounting plate is arranged between two adjacent first mounting plates, and the outer side of each second mounting plate is fixedly connected to the top and both sides of the inner wall of the dust removal box, and a gap is left between the bottom end of the second mounting plate and the bottom end of the inner wall of the dust removal box chamber.

[0012] Preferably: the bottom end of one side of the dust removal box is connected to one end of the air intake hood fixedly connected to the bottom end of the cover plate through a pipeline, and the bottom end of the other side of the dust removal box is connected to one end of the air extraction pump through a pipeline.

[0013] Preferably: each of the first mounting plates is fixedly connected with a plurality of first dust blocks in the vertical direction on the side away from the vacuum pump, and each of the first dust blocks is tilted and arranged to point to the ground on the side away from the first mounting plate, and both sides of each of the first dust blocks are respectively fixedly connected to the side walls of the control cabinet body, and the projected length dimensions of the plurality of first dust blocks at the bottom end of the inner wall of the control cabinet body increase successively from bottom to top in the vertical direction.

[0014] Preferably: each of the second mounting plates is fixedly connected with a plurality of second dust blocks in the vertical direction on the side away from the vacuum pump, and each of the second dust blocks is inclined to point toward the top of the inner wall of the control cabinet body on the side away from the second mounting plate, and each of the second dust blocks is fixedly connected to the side walls of the control cabinet body on both sides, and the projected length dimensions of the plurality of second dust blocks at the bottom of the inner wall of the control cabinet body decrease successively from bottom to top in the vertical direction.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] In order to prevent humid air from entering the control cabinet body and causing corrosion, the present invention provides an activated carbon layer in the ventilation cavity formed by the two heat sinks, so as to adsorb and dry the moisture in the entering humid air, thereby preventing the control cabinet body and components from being corroded. At the same time, the through holes obliquely opened on each heat sink can effectively reduce the entry of external dust into the control cabinet body through the through holes of the heat sink. At the same time, when water vapor enters the through holes of the heat sink, the water vapor can condense into droplets in the through holes due to the oblique through holes and flow out along the oblique through holes, thereby having a better effect of preventing dust and water vapor from entering.

[0017] When the present invention performs dust removal work inside the control cabinet main body, the control switch of the vacuum pump is turned on, so that the air in the control cabinet main body is sucked into the dust removal box through the pipe through the air intake hood fixedly arranged at the bottom end of the cover plate, and the dust in the air entering the dust removal box is blocked by the serpentine curved channel formed by the multiple first mounting plates and the second mounting plates inside the dust removal box, wherein the multiple first dust blocking blocks and the second dust blocking blocks are arranged on one side of each first mounting plate and the second mounting plate, and the first dust blocking blocks and the second dust blocking blocks are arranged to increase in length size in sequence along the flow direction of the gas in the dust removal box, so that each of the first dust blocking blocks and the second dust blocking blocks can better block the dust in the airflow inside the dust removal box, thereby achieving a more thorough dust removal effect, wherein an electromagnetic valve is fixedly installed in the air intake hood, and the electromagnetic valve is closed after the dust removal structure to prevent the dust in the dust removal box from flowing back into the control cabinet main body through the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention;

[0019] Figure 2 This is an enlarged schematic diagram of the structure at A of the present invention;

[0020] Figure 3 It is an enlarged schematic diagram of the structure at B of the present invention.

[0021] In the figure: 1. control cabinet body; 2. cover plate; 3. side heat dissipation assembly; 4. dust removal assembly; 5. air intake hood; 6. vacuum pump; 31. mounting block; 32. heat dissipation plate; 33. ventilation cavity; 331. activated carbon layer; 41. dust removal box; 42. first mounting plate; 43. second mounting plate; 44. first dust block; 45. second dust block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Embodiment 1

[0024] See also Figure 1-Figure 3 A dust removal structure of a PLC control cabinet shown in the figure includes a control cabinet body 1, through grooves are respectively opened on both sides of the control cabinet body 1, and each through groove of the control cabinet body 1 is fixedly installed with a side heat dissipation component 3, a cover plate 2 is fixedly connected to the top of the control cabinet body 1, and a dust removal component 4 is fixedly installed on the top of the cover plate 2, one end of the dust removal component 4 is connected with one end of an air intake hood 5 through a pipeline, and the air intake hood 5 is fixedly installed at the bottom of the cover plate 2, and the other end of the dust removal component 4 is connected with one end of an air pump 6 through a pipeline.

[0025] In this embodiment, each side heat dissipation component 3 includes two mounting blocks 31 respectively fixedly connected to one end of the control cabinet body 1, and two heat sinks 32 are fixedly connected between the two mounting blocks 31, a ventilation cavity 33 is arranged between the two heat sinks 32, and an activated carbon layer 331 is fixedly arranged in the ventilation cavity 33 along the vertical direction, each heat sink 32 is provided with an inclined through hole, and the two sides of the through hole of one of the heat sinks 32 are respectively connected to the ventilation cavity 33 and the control cabinet body 1, and the two sides of the through hole of the other heat sink 32 are respectively connected to the ventilation cavity 33 and the external environment.

[0026] Furthermore, in order to prevent humid air from entering the control cabinet body 1 and causing corrosion, an activated carbon layer 331 is provided in the ventilation cavity 33 formed by the two heat sinks 32, so as to adsorb and dry the moisture in the incoming humid air, thereby preventing the control cabinet body 1 and components from being corroded. At the same time, the through holes obliquely opened on each heat sink 32 can effectively reduce the entry of external dust into the control cabinet body 1 through the through holes of the heat sink. At the same time, when water vapor enters the through holes of the heat sink 32, the obliquely arranged through holes can cause the water vapor to condense into droplets in the through holes and flow out along the inclined through holes, thereby having a better effect of preventing dust and water vapor from entering.

[0027] In this embodiment, the dust removal assembly 4 includes a dust removal box 41 fixedly mounted on the top of the cover plate 2, and the dust removal box 41 has a chamber, and a plurality of first mounting plates 42 are mounted parallel to the inner wall of the dust removal box 41 in the vertical direction, and the outer side of each first mounting plate 42 is fixedly connected to the bottom end and both sides of the inner wall of the dust removal box 41, and a gap is left between the top of the first mounting plate 42 and the top end of the inner wall of the chamber of the dust removal box 41, and a second mounting plate 43 is arranged between two adjacent first mounting plates 42, and the outer side of each second mounting plate 43 is fixedly connected to the top end and both sides of the inner wall of the dust removal box 41, and a gap is left between the bottom end of the second mounting plate 43 and the bottom end of the inner wall of the chamber of the dust removal box 41, the bottom end of one side of the dust removal box 41 is connected to one end of the air intake hood 5 fixedly connected to the bottom end of the cover plate 2 through a pipeline, and the bottom end of the other side of the dust removal box 41 is connected to one end of the air pump 6 through a pipeline, and each first mounting plate 42 is connected to one end of the air pump 6 through a pipeline. A plurality of first dust blocks 44 are fixedly connected along the vertical direction on the side away from the vacuum pump 6, and each first dust block 44 is tilted away from the first mounting plate 42 and pointed to the ground, and both sides of each first dust block 44 are fixedly connected to the side walls of the control cabinet body 1, and the projected length dimensions of the plurality of first dust blocks 44 on the bottom end of the inner wall of the control cabinet body 1 increase successively from bottom to top along the vertical direction, and a plurality of second dust blocks 45 are fixedly connected along the vertical direction on the side away from the vacuum pump 6 of each second mounting plate 43, and each second dust block 45 is tilted away from the second mounting plate 43 and pointed to the top end of the inner wall of the control cabinet body 1, and both sides of each second dust block 45 are fixedly connected to the side walls of the control cabinet body 1, and the projected length dimensions of the plurality of second dust blocks 45 on the bottom end of the inner wall of the control cabinet body 1 decrease successively from bottom to top along the vertical direction.

[0028] Furthermore, when performing dust removal work inside the control cabinet body 1, the control switch of the vacuum pump 6 is turned on, so that the air in the control cabinet body 1 is sucked into the dust removal box 41 through the pipe through the air intake hood 5 fixedly arranged at the bottom end of the cover plate 2, and the dust in the air entering the dust removal box 41 is blocked by the serpentine curved channel formed by the multiple first mounting plates 42 and the second mounting plates 43 inside the dust removal box 41, wherein the multiple first dust blocks 44 and the second dust blocks 45 are arranged on one side of each first mounting plate 42 and the second mounting plate 43, and the first dust blocks 44 and the second dust blocks 45 are arranged to increase in length along the flow direction of the gas in the dust removal box 41 in sequence, so that each first dust block 44 and the second dust block 45 can better block the dust in the airflow inside the dust removal box 41, thereby achieving a more thorough dust removal effect, wherein an electromagnetic valve is fixedly installed in the air intake hood 5, and the electromagnetic valve is closed after the dust removal structure to prevent the dust in the dust removal box 41 from flowing back into the control cabinet body 1 through the pipe.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PLC control cabinet dust removal structure, comprising a control cabinet body (1), characterized in that: Through grooves are respectively formed on both sides of the control cabinet body (1), and a side heat dissipation component (3) is fixedly installed in each through groove of the control cabinet body (1). A cover plate (2) is fixedly connected to the top of the control cabinet body (1), and a dust removal component (4) is fixedly installed on the top of the cover plate (2). One end of the dust removal component (4) is connected to one end of an air intake hood (5) through a pipeline, and the air intake hood (5) is fixedly installed on the bottom of the cover plate (2). The other end of the dust removal component (4) is connected to one end of an air extraction pump (6) through a pipeline.

2. A PLC control cabinet dust removal structure according to claim 1, characterized in that: Each of the side heat dissipation components (3) comprises two mounting blocks (31) respectively fixedly connected to one end of the control cabinet body (1), and two heat dissipation plates (32) are fixedly connected between the two mounting blocks (31).

3. A PLC control cabinet dust removal structure according to claim 2, characterized in that: A ventilation cavity (33) is provided between the two heat dissipation plates (32), and an activated carbon layer (331) is fixedly provided in the ventilation cavity (33) along a vertical direction.

4. A PLC control cabinet dust removal structure according to claim 3, characterized in that: Each heat dissipation plate (32) is provided with an inclined through hole, and the two sides of the through hole of one heat dissipation plate (32) are respectively connected to the ventilation cavity (33) and the control cabinet body (1), and the two sides of the through hole of another heat dissipation plate (32) are respectively connected to the ventilation cavity (33) and the external environment.

5. A PLC control cabinet dust removal structure according to claim 4, characterized in that: The dust removal assembly (4) comprises a dust removal box (41) fixedly mounted on the top of the cover plate (2), and the dust removal box (41) is provided with a chamber.

6. A PLC control cabinet dust removal structure according to claim 5, characterized in that: A plurality of first mounting plates (42) are mounted parallel to the inner wall of the chamber of the dust removal box (41) in the vertical direction, and the outer side of each first mounting plate (42) is fixedly connected to the bottom and both sides of the inner wall of the dust removal box (41), and a gap is left between the top of the first mounting plate (42) and the top of the inner wall of the chamber of the dust removal box (41).

7. A PLC control cabinet dust removal structure according to claim 6, characterized in that: A second mounting plate (43) is arranged between two adjacent first mounting plates (42), and the outer side of each second mounting plate (43) is fixedly connected to the top and both sides of the inner wall of the dust removal box (41), and a gap is left between the bottom end of the second mounting plate (43) and the bottom end of the inner wall of the chamber of the dust removal box (41).

8. A PLC control cabinet dust removal structure according to claim 7, characterized in that: The bottom end of one side of the dust removal box (41) is connected to one end of an air inlet hood (5) fixedly connected to the bottom end of the cover plate (2) through a pipeline, and the bottom end of the other side of the dust removal box (41) is connected to one end of an air extraction pump (6) through a pipeline.

9. A PLC control cabinet dust removal structure according to claim 8, characterized in that: A plurality of first dust blocks (44) are fixedly connected in the vertical direction to a side of each first mounting plate (42) away from the vacuum pump (6), and each first dust block (44) is tilted and arranged to point to the ground on a side away from the first mounting plate (42). Both sides of each first dust block (44) are respectively fixedly connected to the side walls of the control cabinet body (1), and the projected length dimensions of the plurality of first dust blocks (44) at the bottom end of the inner wall of the control cabinet body (1) increase successively from bottom to top in the vertical direction.

10. A PLC control cabinet dust removal structure according to claim 9, characterized in that: A plurality of second dust blocks (45) are fixedly connected in the vertical direction to the side of each second mounting plate (43) away from the vacuum pump (6), and each second dust block (45) is tilted and arranged to point to the top of the inner wall of the control cabinet body (1) on the side away from the second mounting plate (43), and both sides of each second dust block (45) are respectively fixedly connected to the side walls of the control cabinet body (1), and the projected length dimensions of the plurality of second dust blocks (45) at the bottom of the inner wall of the control cabinet body (1) decrease successively from bottom to top in the vertical direction.

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