CN110678022A

CN110678022A - PLC switch board of high dirt resistance

Info

Publication number: CN110678022A
Application number: CN201911022157.3A
Authority: CN
Inventors: 吴云
Original assignee: Xuzhou Hengcheng Automation Technology Co Ltd
Current assignee: Xuzhou Hengcheng Automation Technology Co Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-01-10

Abstract

The invention discloses a high-dust-resistance PLC control cabinet, which comprises a cabinet body and a cabinet door, wherein one side of the cabinet body is connected with the cabinet door through a hinge, metal frames are symmetrically welded on the outer walls of two sides of the cabinet body, a first L-shaped partition plate is welded in the inner cavity of each metal frame, a second L-shaped partition plate is welded on one side of the first L-shaped partition plate, fluorocarbon coatings are coated on the surfaces of the first L-shaped partition plate and the second L-shaped partition plate, an S-shaped gas flow channel is formed inside each metal frame by staggered arrangement of the first L-shaped partition plate and the second L-shaped partition plate, and gaps are arranged between one end of the first L-shaped partition plate and one end of the second L-shaped partition plate and the inner wall of each metal frame, and when the cabinet door is closed, an O-shaped sealing strip is embedded in the gap between the first silica gel strip and the second silica gel strip, and all irregular surfaces which can be filled with seams are full, The cavity and the gap effectively improve the sealing effect of the joint of the cabinet door and the cabinet body.

Description

PLC switch board of high dirt resistance

Technical Field

The invention relates to the technical field of PLC control cabinets, in particular to a PLC control cabinet with high dust resistance.

Background

The PLC control cabinet has the protection functions of overload, short circuit, open-phase protection and the like. It has compact structure, stable operation and complete functions. The intelligent control system can be combined according to the size of an actual control specification, not only can realize single-cabinet automatic control, but also can realize that a plurality of cabinets form a Distributed Control System (DCS) through an industrial Ethernet or an industrial field bus network.

However, the existing PLC control cabinet mainly has the following disadvantages:

1. a heat dissipation window for PLC switch board is the dustproof screen panel of installation only for inside preventing that the dust from entering into the PLC switch board through the heat dissipation window, single structure, dustproof effect is not good, leads to the dust to enter into the internal portion of cabinet the leading factor, does not possess good dirt proofness.

2. The adhesive tape of adhesion on the cabinet door is not good in leakproofness, is one of the factors that lead to the dust to get into the cabinet body, needs to improve it.

Disclosure of Invention

The invention aims to provide a PLC control cabinet with high dust resistance, and aims to solve the problems that a heat dissipation window for heat dissipation of the PLC control cabinet in the background technology is only provided with a dust-proof mesh enclosure for preventing dust from entering the interior of the PLC control cabinet through the heat dissipation window, the PLC control cabinet is single in structure and poor in dust-proof effect, is a main factor for dust entering the interior of a cabinet body and does not have good dust resistance, the sealing performance of an adhesive tape adhered to a cabinet door is poor, the adhesive tape is one of factors for dust entering the interior of the cabinet body, and the improvement is needed.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a PLC switch board of high dirt resistance, includes the cabinet body and cabinet door, there is the cabinet door cabinet body one side through hinged joint, cabinet body both sides outer wall symmetric welding has the metal frame, the welding of metal frame inner chamber has L type baffle No. one, the welding of L type baffle one side has L type baffle No. two, the equal coating of L type baffle and No. two L type baffle surfaces has the fluorocarbon coating, the shrinkage pool has been seted up to metal frame one end symmetry, metal frame one side can be dismantled and be connected with the framework, the inboard fixedly connected with filter screen of framework, cabinet body inner wall integrated into one piece has the rectangle lug, rectangle lug surface bonding has a silica gel strip No. one, silica gel strip one side bonding has No. two silica gel strips, cabinet door inboard surface edge bonding has O type sealing strip.

Preferably, the metal frame is connected with the inner cavity of the cabinet body in a conduction mode, the metal frame is made of stainless steel, and the metal frame plays a role in heat dissipation and ventilation.

Preferably, staggered arrangement and No. one L type baffle one end and No. two L type baffle one end are equipped with the space apart from the metal frame inner wall between No. one L type baffle and No. two L type baffles, the width of No. one L type baffle and No. two L type baffles is the same with the width of metal frame inner chamber, prevents that the dust from directly entering into cabinet internal portion through the heat dissipation window.

Preferably, the magnetic blocks are symmetrically adhered to the surface of the frame body and are connected with the concave holes, so that the filter screen is convenient to detach and mount.

Preferably, the rectangular pattern block is located at the front end of the opening of the cabinet body, a gap is formed between the first silica gel strip and the second silica gel strip, and the O-shaped sealing strip is attached to the first silica gel strip and the second silica gel strip respectively, so that the sealing performance of the joint of the cabinet door and the cabinet body is improved.

Preferably, the shock absorbers are symmetrically installed at the bottom of the cabinet body, and the self-locking universal wheels are installed at one end of the shock absorbers, so that the cabinet body is convenient to move, the carrying strength is reduced, and meanwhile, the shock can be reduced in the moving process.

The invention provides a PLC control cabinet with high dust resistance, which has the following beneficial effects:

(1) in the invention, the first L-shaped clapboard is welded at the top of the inner cavity of the metal frame, and the second L-shaped clapboard is welded at the bottom of the inner cavity of the metal frame, an S-shaped gas flow channel is formed inside the metal frame by the staggered arrangement of the first L-shaped partition plate and the second L-shaped partition plate and the gap between one end of the first L-shaped partition plate and one end of the second L-shaped partition plate and the inner wall of the metal frame, dust can be effectively prevented from directly entering the cabinet body through the metal frame, fluorocarbon coatings are coated on the surfaces of the first L-shaped partition plate and the second L-shaped partition plate, so that the first L-shaped partition plate and the second L-shaped partition plate have good self-cleaning performance, dust is prevented from being adsorbed on the surfaces of the first L-shaped partition plate and the second L-shaped partition plate, the first L-shaped partition plate and the second L-shaped partition plate are convenient to clean, a filter screen is arranged at one end of a metal frame, can filter the dust in the air, the inside baffle of cooperation metal frame uses, makes the PLC switch board possess high dirt resistance.

(2) According to the cabinet door, the rectangular convex block is integrally formed on the inner wall of the cabinet body, the rectangular block is located at the front end of the opening of the cabinet body, the first silica gel strip is bonded on the surface of the rectangular convex block, the second silica gel strip is bonded on one side of the first silica gel strip, a gap is formed between the first silica gel strip and the second silica gel strip, and the O-shaped sealing strip is bonded on the edge of the inner side surface of the cabinet door.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a metal frame according to the present invention;

FIG. 3 is a schematic cross-sectional view of a second L-shaped partition according to the present invention;

FIG. 4 is a schematic side view of a metal frame according to the present invention;

FIG. 5 is a front view of the frame of the present invention;

fig. 6 is a schematic diagram of a front structure of a rectangular bump according to the present invention.

In the figure: 1. a cabinet body; 2. a cabinet door; 3. a metal frame; 301. a first L-shaped baffle plate; 302. a second L-shaped baffle plate; 303. a fluorocarbon coating; 304. concave holes; 4. a frame body; 401. filtering with a screen; 402. a magnetic block; 5. a rectangular bump; 501. a first silica gel strip; 502. a second silica gel strip; 503. an O-shaped sealing strip; 6. a shock absorber; 7. self-locking universal wheel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 6, the present invention provides a technical solution: a PLC control cabinet with high dust resistance comprises a cabinet body 1 and a cabinet door 2, wherein one side of the cabinet body 1 is connected with the cabinet door 2 through a hinge, the outer walls of two sides of the cabinet body 1 are symmetrically welded with metal frames 3, the inner cavity of each metal frame 3 is welded with a first L-shaped clapboard 301, one side of the first L-shaped partition plate 301 is welded with a second L-shaped partition plate 302, the surfaces of the first L-shaped partition plate 301 and the second L-shaped partition plate 302 are both coated with fluorocarbon coatings 303, concave holes 304 are symmetrically arranged at one end of the metal frame 3, a frame body 4 is detachably connected at one side of the metal frame 3, the inner side of the frame body 4 is fixedly connected with a filter screen 401, the inner wall of the cabinet body 1 is integrally formed with a rectangular convex block 5, the surface of the rectangular convex block 5 is adhered with a first silica gel strip 501, one side of the first silica gel strip 501 is adhered with a second silica gel strip 502, and the edge of the inner side surface of the cabinet door 2 is adhered with an O-shaped sealing strip 503.

Preferably, the metal frame 3 is connected with the inner cavity of the cabinet body 1 in a conduction mode, the metal frame 3 is made of stainless steel, the metal frame 3 plays a role in heat dissipation and ventilation, and heat generated in the cabinet body 1 is dissipated to the outside of the cabinet body 1 through the metal frame 3.

Preferably, staggered arrangement is carried out between the first L-shaped partition plate 301 and the second L-shaped partition plate 302, a gap is arranged between one end of the first L-shaped partition plate 301 and one end of the second L-shaped partition plate 302 and is far away from the inner wall of the metal frame 3, the width of the first L-shaped partition plate 301 and the width of the second L-shaped partition plate 302 are the same as the width of the inner cavity of the metal frame 3, and due to staggered arrangement between the first L-shaped partition plate 301 and the second L-shaped partition plate 302, an S-shaped gas flow channel is formed inside the metal frame 3, so that dust can be effectively prevented from directly entering the cabinet body 1 through the metal frame 3.

Preferably, the magnetic blocks 402 are symmetrically adhered to the surface of the frame body 4, and the magnetic blocks 402 are connected with the concave holes 304, so that the filter screen 401 is convenient to mount and dismount, and the filter screen 401 is convenient to clean.

Preferably, the rectangular picture block 5 is located the 1 opening part front end of the cabinet body, be equipped with the space between No. one silica gel strip 501 and No. two silica gel strips 502, and O type sealing strip 503 is laminated mutually in No. one silica gel strip 501 and No. two silica gel strips 502 respectively, and when cabinet door 2 was closed, O type sealing strip 503 was inlayed in the space department that sets up between No. one silica gel strip 501 and No. two silica gel strips 502, can improve the sealed effect of cabinet door.

Preferably, the shock absorbers 6 are symmetrically installed at the bottom of the cabinet body 1, and the self-locking universal wheels 7 are installed at one end of the shock absorbers 6, so that the cabinet body 1 is convenient to move, the carrying strength is reduced, and meanwhile, the shock can be reduced in the moving process.

It should be noted that, when the high-dustproof PLC control cabinet works, the metal frames 3 are symmetrically welded on the outer walls of the two sides of the cabinet body 1, the metal frames 3 are communicated and connected with the inner cavity of the cabinet body 1, the metal frames 3 play a role in dissipating heat of the cabinet body 1, the first L-shaped partition plate 301 is welded on the top of the inner cavity of the metal frame 3, the second L-shaped partition plate 302 is welded on the bottom of the inner cavity of the metal frame 3, an S-shaped gas flow channel is formed inside the metal frame 3 by the staggered arrangement of the first L-shaped partition plate 301 and the second L-shaped partition plate 302, and a gap is formed between one end of the first L-shaped partition plate 301 and one end of the second L-shaped partition plate 302 and the inner wall of the metal frame 3, so that dust can be effectively prevented from directly entering the cabinet body 1 through the metal frame 3, fluorocarbon coatings 303 are respectively coated on the surfaces of the first L-shaped partition plate 301 and the second L-shaped partition plate, the dust is prevented from being adsorbed on the surfaces of the first L-shaped partition plate 301 and the second L-shaped partition plate 302, the cleaning is convenient, the filter screen 401 is installed at one end of the metal frame 3, the dust in the air can be filtered, the PLC control cabinet is enabled to have high dust resistance by matching with the partition plates inside the metal frame 3, the rectangular convex block 5 is integrally formed on the inner wall of the cabinet body 1, the rectangular block 5 is positioned at the front end of the opening of the cabinet body 1, the first silica gel strip 501 is adhered to the surface of the rectangular convex block 5, the second silica gel strip 502 is adhered to one side of the first silica gel strip 501, a gap is formed between the first silica gel strip 501 and the second silica gel strip 502, and the O-shaped sealing strip 503 is adhered to the edge of the inner side surface of the cabinet door 2, the PLC control cabinet has the characteristics of small friction force and strong distortion resistance, when the cabinet door 2 is closed, the O-shaped sealing strip 503 is embedded in, and O type sealing strip 503 is laminated in silica gel strip 501 and No. two silica gel strips 502 respectively, can fill all irregular surfaces of seam, cavity and clearance, the effectual sealed effect of cabinet door 2 and the 1 department of the cabinet body department combination department that has improved, prevent that the dust from entering into cabinet body 1 inside through the gap of cabinet door 2 department, shrinkage pool 304 has been seted up through 3 one end symmetries of metal frame, 4 surface symmetries of framework adhesion has magnetic path 402, and the diameter of magnetic path 402 is the same with the internal diameter of shrinkage pool 304, link up with shrinkage pool 304 through magnetic path 402, be convenient for the installation and the dismantlement of filter screen 401, be favorable to the washing of filter screen 401 simultaneously, install shock absorber 6 through 1 bottom symmetry of the cabinet body, and auto-lock universal wheel 7 is installed to shock absorber 6 one end, be convenient for the removal of cabinet body 1, the intensity of transport has been reduced, simultaneously.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PLC switch board of high dirt resistance, includes the cabinet body (1) and cabinet door (2), there is cabinet door (2), its characterized in that through hinged joint cabinet body (1) one side: the outer walls of two sides of the cabinet body (1) are symmetrically welded with metal frames (3), the inner cavity of each metal frame (3) is welded with a first L-shaped partition plate (301), one side of the first L-shaped clapboard (301) is welded with a second L-shaped clapboard (302), the surfaces of the first L-shaped clapboard (301) and the second L-shaped clapboard (302) are both coated with fluorocarbon coatings (303), concave holes (304) are symmetrically formed in one end of the metal frame (3), a frame body (4) is detachably connected to one side of the metal frame (3), the inner side of the frame body (4) is fixedly connected with a filter screen (401), the inner wall of the cabinet body (1) is integrally formed with a rectangular convex block (5), a first silica gel strip (501) is adhered to the surface of the rectangular convex block (5), a second silica gel strip (502) is adhered to one side of the first silica gel strip (501), an O-shaped sealing strip (503) is adhered to the edge of the inner side surface of the cabinet door (2).

2. The PLC control cabinet with high dust resistance as claimed in claim 1, wherein: the metal frame (3) is communicated with the inner cavity of the cabinet body (1), and the metal frame (3) is made of stainless steel.

3. The PLC control cabinet with high dust resistance as claimed in claim 1, wherein: the first L-shaped partition plates (301) and the second L-shaped partition plates (302) are arranged in a staggered mode, gaps are formed between one ends of the first L-shaped partition plates (301) and one ends of the second L-shaped partition plates (302) and the inner wall of the metal frame (3), and the width of the first L-shaped partition plates (301) and the width of the second L-shaped partition plates (302) are the same as the width of the inner cavity of the metal frame (3).

4. The PLC control cabinet with high dust resistance as claimed in claim 1, wherein: magnetic blocks (402) are symmetrically adhered to the surface of the frame body (4), and the magnetic blocks (402) are connected with the concave holes (304).

5. The PLC control cabinet with high dust resistance as claimed in claim 1, wherein: the rectangular picture block (5) is located at the front end of an opening of the cabinet body (1), a gap is formed between the first silica gel strip (501) and the second silica gel strip (502), and the O-shaped sealing strips (503) are respectively attached to the first silica gel strip (501) and the second silica gel strip (502).

6. The PLC control cabinet with high dust resistance as claimed in claim 1, wherein: shock absorbers (6) are symmetrically installed at the bottom of the cabinet body (1), and self-locking universal wheels (7) are installed at one end of each shock absorber (6).