CN210350505U

CN210350505U - Compression-resistant structure of PLC control cabinet

Info

Publication number: CN210350505U
Application number: CN201921386884.3U
Authority: CN
Inventors: 宁卫国; 曹艳; 李侃
Original assignee: Hangzhou Kangrui Electrical Engineering Co Ltd
Current assignee: Hangzhou Kangrui Electrical Engineering Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-04-17
Anticipated expiration: 2029-08-26

Abstract

The utility model relates to a controller technical field, in particular to PLC switch board compressive structure, the utility model discloses a box, the installing port has been seted up to the box top surface, just the installation flap is equipped with the shrouding, box lateral wall outside cover is equipped with the protective housing, the protective housing inboard surface with through a plurality of shock attenuation piece fixed connection between the box outside surface, the shock attenuation piece extends along vertical direction, just the cross-section of shock attenuation piece sets up to the shape of mid portion towards a lateral buckling, through the aforesaid setting to reduce the condition of component damage in the PLC switch board.

Description

Compression-resistant structure of PLC control cabinet

Technical Field

The utility model relates to a controller technical field, in particular to PLC switch board compressive structure.

Background

With the rapid development of microprocessors, computers and digital communication technologies, computer control has expanded into almost all industrial fields. A Programmable Logic Controller (PLC) is a PLC for short, has a wide application range, a powerful function, and a convenient use, has become one of the main control devices of the contemporary industrial automation generation, and is widely used in all fields of industrial production.

The PLC control cabinet is a programmable control cabinet, the control cabinet is a complete set of control cabinet, and the electrical cabinet can realize the control of a variable frequency motor and a switch. The control cabinet is formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement, the arrangement of the control cabinet meets the requirement of normal operation of an electric power system, the control cabinet is convenient to overhaul, the safety of a person and surrounding equipment is not endangered, and the control cabinet is widely applied to industries such as electric power, metallurgy, chemical engineering, papermaking and environmental protection sewage treatment along with the development of control cabinet technology and intelligent control technology.

The general casing of PLC switch board among the prior art is thinner, if meet external force extrusion, then can cause the casing to warp, leads to the fact the damage to components and parts in the PLC switch board even to cause huge economic loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PLC switch board compressive structure to reduce the condition of component damage in the PLC switch board.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a PLC switch board compressive structure, includes the box, the installing port has been seted up to the box top surface, just the installing port lid is equipped with the shrouding, box lateral wall outside cover is equipped with the protective housing, protective housing inside surface with through a plurality of shock attenuation piece fixed connection between the box outside surface, the shock attenuation piece extends along vertical direction, just the cross-section of shock attenuation piece sets up to the shape of mid portion towards a lateral buckling.

Through above-mentioned technical scheme, through set up the shock attenuation piece between box and protective housing, and the shock attenuation piece sets up to the shape of mid portion towards a lateral buckling, and when the box received external force extrusion, the effort passed through the protective housing and transmitted to the shock attenuation piece, because the shock attenuation piece is buckled and is set up, the shock attenuation piece receives external force and takes place to buckle, plays the cushioning effect to the effort that transmits to the box, reduces the box and receives the extrusion and the condition of warping to reduce the condition of component damage in the switch board.

The utility model discloses further set up to: the shock absorption sheet is made of heat conduction materials.

Through above-mentioned technical scheme, set up the shock attenuation piece into the heat conduction material to the produced heat of components and parts in the box plays the conduction effect, in order to increase the thermal diffusivity of box.

The utility model discloses further set up to: the surface of the outer side of the protective shell is provided with a plurality of radiating holes which penetrate through the protective shell and the side wall of the box body.

Through above-mentioned technical scheme, through seting up the thermovent on box and protective housing to further increase the thermal diffusivity of box.

The utility model discloses further set up to: the inner wall fixedly connected with that the protective housing is located heat dissipation department extends to the heat dissipation channel in the box.

Through above-mentioned technical scheme, through setting up heat dissipation channel, reduce the higher gas of temperature when through the thermovent, flow in the condition between box and the protective housing, increase the efficiency that the heat gived off.

The utility model discloses further set up to: one end of the heat dissipation channel, which is located in the box body, is fixedly connected with a limiting ring, and the surface of the limiting ring, which faces the heat dissipation channel, is abutted against the inner wall of the box body.

Through above-mentioned technical scheme, through setting up the spacing ring, make heat dissipation channel be difficult for breaking away from the thermovent, increase the stability between heat dissipation channel and the thermovent.

The utility model discloses further set up to: and a protective net is arranged on the inner wall of the heat dissipation channel.

Through above-mentioned technical scheme, through setting up the protection network, it is internal to reduce biological entering, causes the condition of damage to the inside components and parts of box.

The utility model discloses further set up to: the heat dissipation channel is made of flexible materials.

Through above-mentioned technical scheme, through setting up heat dissipation channel into flexible material, the protective housing is when receiving external force extrusion, is difficult for receiving the components and parts that collide the box because of heat dissipation channel, makes the components and parts in the box receive the condition of damage.

The utility model discloses further set up to: the protective housing top and bottom all are provided with the sealing ring of flexible material, the sealing ring inlays to be located the protective housing with between the box.

Through above-mentioned technical scheme, through setting up the sealing ring, reduce the condition that external dust got into between protective housing and the box.

The utility model discloses further set up to: the shrouding orientation fixed surface in the box is connected with first solid fixed ring, is located the sealing ring orientation on box top the solid fixed surface of shrouding is connected with the solid fixed ring of second, the solid fixed ring of second is located the first solid fixed ring outside, just the solid fixed ring orientation of second the spacing groove has been seted up on the surface of first solid fixed ring, first solid fixed ring orientation the solid fixed surface of second be connected with the spacing groove matched with stopper, first solid fixed ring with the solid fixed ring of second is elastic material and makes.

Through the technical scheme, the limiting groove is matched with the limiting block, so that a user can conveniently detach the sealing cover, and the convenience of the box body is improved.

To sum up, the utility model discloses following beneficial effect has:

through set up the shock attenuation piece between box and protective housing, when the box received external force extrusion, the shock attenuation piece received external force and takes place to buckle, played the cushioning effect to the effort that transmits to the box, reduced the box and received the extrusion and the condition that warp to reduce the condition of component damage in the switch board.

Drawings

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

FIG. 2 is a partial sectional view of the present embodiment;

fig. 3 is a partial sectional view of the present embodiment.

Reference numerals: 1. a box body; 2. closing the plate; 3. an installation port; 4. a protective shell; 5. a damping sheet; 6. a heat dissipation channel; 7. a protective net; 8. a limiting ring; 9. a seal ring; 10. a first retaining ring; 11. a second retaining ring; 12. a limiting groove; 13. a limiting block; 14. and a heat dissipation port.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a PLC switch board compression-resistant structure, as shown in fig. 1 and fig. 2, including box 1, installing port 3 has been seted up to 1 top surface of box, and 3 lids of installing port are equipped with shrouding 2, 1 lateral wall outside cover of box is equipped with protective housing 4, through 5 fixed connection of a plurality of shock attenuation piece between 4 inside surfaces of protective housing and the 1 outside surface of box, shock attenuation piece 5 extends along vertical direction, and the cross-section of shock attenuation piece 5 sets up the shape of mid portion towards one side buckling, when box 1 receives external force extrusion, the effort passes through on 4 transmission to shock attenuation piece 5 of protective housing, because the setting of buckling of shock attenuation piece 5, shock attenuation piece 5 receives external force and takes place to buckle, play the cushioning effect to the effort that transmits to box 1, reduce the condition that box 1 received.

In order to increase the heat dissipation performance of the box body 1, the damping sheet 5 is made of heat conduction materials, so that the damping sheet 5 plays a role in conducting heat generated by components in the box body 1.

A plurality of heat dissipation openings 14 penetrating through the protective shell 4 and the side wall of the box body 1 are formed in the surface of the outer side of the protective shell 4, the heat dissipation openings 14 are arranged to be waist-shaped openings extending along the vertical direction, the plurality of heat dissipation openings 14 and the plurality of damping sheets 5 are arranged alternately, the inner wall of the protective shell 4 located at the heat dissipation openings 14 is fixedly connected with heat dissipation channels 6 extending into the box body 1, and protective nets 7 are arranged on the inner walls of the heat dissipation channels 6.

Through setting up heat dissipation channel 6, the higher gas of reduction temperature when passing through thermovent 14, flows in the condition between box 1 and the protective housing 4, increases the efficiency that the heat gived off, and sets up protection network 7 in heat dissipation channel 6, reduces the biological condition that causes the damage to the inside components and parts of box 1 that get into box 1.

In order to increase the stability between the heat dissipation channel 6 and the heat dissipation port 14, one end of the heat dissipation channel 6 located in the box body 1 is fixedly connected with a limiting ring 8, and the surface of the limiting ring 8 facing the heat dissipation channel 6 is abutted against the inner wall of the box body 1, so that the heat dissipation channel 6 is not easy to separate from the heat dissipation port 14.

As shown in fig. 1 and 3, in order to reduce the situation that external dust enters between the protective shell 4 and the box 1, the top end and the bottom end of the protective shell 4 are both provided with sealing rings 9 made of flexible materials, and the sealing rings 9 are embedded between the protective shell 4 and the box 1.

For the convenience of dismantling shrouding 2, shrouding 2 is connected with first solid fixed ring 10 towards the fixed surface in the box 1, the sealing ring 9 that is located the 1 top of box is connected with the solid fixed ring 11 of second towards shrouding 2, the solid fixed ring 11 of second is located the first solid fixed ring 10 outside, and the solid fixed ring 11 of second has seted up spacing groove 12 towards the surface of the first solid fixed ring 10, first solid fixed ring 10 is connected with and spacing groove 12 matched with stopper 13 towards the solid fixed surface of the solid fixed ring 11 of second, the solid fixed ring 11 of first solid fixed ring 10 and second is elastic material and makes.

The working principle is as follows:

when box 1 received external force extrusion, the effort was transmitted to shock attenuation piece 5 through protective housing 4 on, because shock attenuation piece 5 buckles and sets up, shock attenuation piece 5 received external force and takes place to buckle, played the cushioning effect to the effort that transmits to box 1, reduced box 1 and received the extrusion and the condition of warping to reduce the condition of component damage in the box 1.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a PLC switch board compressive structure, includes box (1), its characterized in that: installing port (3) have been seted up to box (1) top surface, just installing port (3) lid is equipped with shrouding (2), box (1) lateral wall outside cover is equipped with protective housing (4), protective housing (4) inboard surface with through a plurality of shock attenuation piece (5) fixed connection between box (1) the outside surface, shock attenuation piece (5) extend along vertical direction, just the cross-section of shock attenuation piece (5) sets up to the shape of mid portion towards a lateral buckling.

2. The PLC switch board resistance to compression structure of claim 1, characterized in that: the shock absorption sheet (5) is made of heat conduction materials.

3. The PLC switch board resistance to compression structure of claim 1, characterized in that: the heat dissipation device is characterized in that a plurality of heat dissipation openings (14) penetrating through the protective shell (4) and the side wall of the box body (1) are formed in the outer side surface of the protective shell (4).

4. The PLC switch board resistance to compression structure of claim 3, characterized in that: the inner wall of the protective shell (4) at the heat dissipation port (14) is fixedly connected with a heat dissipation channel (6) extending into the box body (1).

5. The PLC switch board resistance to compression structure of claim 4, characterized in that: the heat dissipation channel (6) is located one end fixedly connected with a limiting ring (8) in the box body (1), and the limiting ring (8) faces towards the surface of the heat dissipation channel (6) and is abutted to the inner wall of the box body (1).

6. The PLC switch board resistance to compression structure of claim 4, characterized in that: and a protective net (7) is arranged on the inner wall of the heat dissipation channel (6).

7. The PLC switch board resistance to compression structure of claim 4, characterized in that: the heat dissipation channel (6) is made of flexible materials.

8. The PLC switch board resistance to compression structure of claim 1, characterized in that: protective housing (4) top and bottom all are provided with sealing ring (9) of flexible material, sealing ring (9) inlay and locate protective housing (4) with between box (1).

9. The PLC switch board compression-resistant structure of claim 8, wherein: shrouding (2) orientation first solid fixed ring (10) of fixed surface connection in box (1) is located the sealing ring (9) orientation on box (1) top the solid fixed ring (11) of fixed surface connection of shrouding (2) second, the solid fixed ring of second (11) is located the first solid fixed ring (10) outside, just the solid fixed ring of second (11) orientation spacing groove (12) have been seted up on the surface of first solid fixed ring (10), first solid fixed ring (10) orientation the solid fixed surface connection of the solid fixed ring of second (11) with spacing groove (12) matched with stopper (13), first solid fixed ring (10) with the solid fixed ring of second (11) are elastic material and make.