CN210608048U

CN210608048U - Silencing device for control cabinet

Info

Publication number: CN210608048U
Application number: CN201921966469.5U
Authority: CN
Inventors: 李兴元; 骆文龙
Original assignee: Wuxi Gongyuan Automation Technology Co Ltd
Current assignee: Wuxi Gongyuan Automation Technology Co Ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-05-22
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a silencing device for a control cabinet, which comprises an active vibration isolator, a cabinet body, a cold air pipe and a cabinet door, wherein the top of the active vibration isolator is fixedly connected with a vibration isolation platform through a bolt, and one side of the sound insulation board, which is far away from the inner wall of the cabinet body, is fixedly connected with a radiating pipe through a joint, the utility model realizes that the suction sound emitted by a PLC relay is absorbed through the filtering action of the sound insulation board and the aluminum sound insulation board in the using process of the control cabinet, and simultaneously, the wind noise generated in the radiating process is effectively reduced through the clamping connection of the radiating pipe between the sound insulation board and the aluminum sound insulation board, and the vibration of electronic elements in the control cabinet is greatly reduced through the active vibration isolation of the active vibration isolator and the damping of a steel honeycomb core in the vibration isolation platform in the whole transportation and installation and transportation processes of the electronic elements in the control cabinet, prevent to cause the damage to the inside electronic component of switch board.

Description

Silencing device for control cabinet

Technical Field

The utility model relates to a switch board technical field specifically is an silencing device for switch board.

Background

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 requirements, and the arrangement of the control cabinet meets the requirements of normal operation of an electric power system, is convenient to overhaul and does not endanger the safety of people and surrounding equipment. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust some electrical parameters to prompt or send out signals for deviation from normal working state. It is commonly used in various power generation, distribution and transformation substations.

However, the conventional control cabinet has some disadvantages in the using process, such as:

1. the PLC control cabinet in the prior art can send obvious suction sound according to received and sent instructions in the use process of the PLC, the noises in quiet control rooms influence the quiet control rooms, meanwhile, the heat dissipation device of the control cabinet with the air cooling heat dissipation function can also send noises in different degrees in the heat dissipation process.

2. The existing control cabinet is in the process of carrying internal electronic elements to carry out integral transportation and installation and transportation, and the bottom of the control cabinet is rigidly connected, so that large vibration can be generated in the process of transportation and transportation, and the internal electronic elements of the control cabinet can be damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a silencing device for switch board to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a silencing device for a control cabinet comprises an active vibration isolator, a cabinet body, a cold air pipe and a cabinet door, wherein the top of the active vibration isolator is fixedly connected with a vibration isolation platform through bolts, the inside of the vibration isolation platform is fixedly filled and connected with a steel honeycomb core through welding, the upper surface of the vibration isolation platform is fixedly connected with the cabinet body through bolts, two sides of the cabinet body are rotatably connected with the cabinet door through hinges, the inner walls of three sides of the cabinet body are fixedly connected with sound insulation plates through screws, one sides of the sound insulation plates, far away from the inner wall of the cabinet body, are fixedly connected with radiating pipes through clamping, the sides, far away from the sound insulation plates, of the three sides of the cabinet body correspond to the radiating pipes, are fixedly connected with an aluminum silencing plate through clamping, the inner walls of the top and the bottom of the cabinet body, the utility model discloses a cabinet door, including roof, cooling tube, joint fixedly connected with cold wind pipe, joint fixedly connected with cellular filler, cabinet door inner wall, cabinet door and cabinet door, the roof is inside to be passed through joint fixedly connected with cold wind pipe, the inside one end of roof is stretched into at cooling tube top passes through coupling and cold wind pipe fixed connection, through screw fixedly connected with acoustic celotex board on the cabinet door, be located cabinet door one side is kept away from to acoustic celotex board.

Furthermore, the cabinet door frame is fixedly connected with a waterproof sealing ring through gluing, and is used for preventing water and dust from falling into the cabinet.

Furthermore, the cold air pipe stretches out roof one end and passes through coupling fixedly connected with air-cooler for provide the heat dissipation of the switch board of being convenient for of cold wind.

Furthermore, the vibration isolation platform and one side of the top plate, which is close to the cabinet door, extend out of the edge of the cabinet body by 5-10cm, so that the cabinet body is protected conveniently and the cabinet body is prevented from colliding.

Furthermore, the aluminum silencing plate at the top of the cabinet body is fixedly connected with an inner lamp through screws in the center, so that the cabinet is convenient to install and maintain.

Furthermore, a door lock is fixedly connected to the cabinet door through a screw, so that the cabinet door can be conveniently closed.

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

1. the utility model discloses a sound-proof board and aluminium system acoustical panel that set up have realized in the switch board use, through the filter action of sound-proof board and aluminium system acoustical panel, absorb the actuation sound that PLC relay sent, simultaneously through with the cooling tube joint between sound-proof board and aluminium system acoustical panel, the effectual wind that produces when having reduced the heat dissipation makes an uproar.

2. The utility model discloses an initiative isolator, vibration isolation platform and steel honeycomb core that set up have realized taking at the switch board and carrying out whole transportation and installation handling with inside electronic component, and the shock attenuation of the inside steel honeycomb core of initiative vibration isolation and vibration isolation platform through initiative isolator makes the vibration that inside electronic component of switch board received reduce by a wide margin, prevents to cause the damage to inside electronic component of switch board.

Drawings

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

FIG. 2 is a schematic sectional view of the overall left-side view structure of the present invention;

FIG. 3 is a schematic sectional view of the overall top view structure of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In FIGS. 1-4: 1-an active vibration isolator; 2-vibration isolation platform; 3-a cabinet body; 4-sound insulation board; 5-radiating pipes; 6-aluminum acoustical panel; 7-a cold air pipe; 8-a top plate; 9-a separator; 10-a steel honeycomb core; 11-a cabinet door; 12-honeycomb packing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a silencing device for a control cabinet comprises an active vibration isolator 1, a cabinet body 3, a cold air pipe 7 and a cabinet door 11, wherein the top of the active vibration isolator 1 is fixedly connected with a vibration isolation platform 2 through bolts for damping, the inside of the vibration isolation platform 2 is fixedly filled and connected with a steel honeycomb core 10 through welding, the strength of the vibration isolation platform 2 is enhanced while damping is performed, the upper surface of the vibration isolation platform 2 is fixedly connected with the cabinet body 3 through bolts, two sides of the cabinet body 3 are rotatably connected with the cabinet door 11 through hinges, three side inner walls of the cabinet body 3 are fixedly connected with sound insulation plates 4 through bolts for sound insulation, one side of each sound insulation plate 4, far away from the inner wall of the cabinet body 3, is fixedly connected with an aluminum sound insulation plate 6 through clamping, facing one side of the corresponding heat insulation plate 5, far away from the three side sound insulation plates 4, the heat is transmitted while the sound insulation, lie in on 11 subtend aluminium system acoustical panel of cabinet door 6 through screw fixedly connected with

baffle

9, 3 top surface outer walls of the cabinet body pass through screw fixedly connected with

roof

8, 8 inside joint fixedly connected with cold air hose 7 that pass through of roof, be used for carrying cold air, the heat dissipation of the switch board of being convenient for, 8 inside one ends of roof are stretched into at 5 tops of cooling tube and are passed through coupling and 7 fixed connection of cold air hose, through screw fixedly connected with acoustic celotex board 4 on 11 inner walls of cabinet door, acoustic celotex board 4 that lies in on 11 cabinet doors is kept away from 11 one side of cabinet door through joint fixedly connected with honeycomb filler 12, honeycomb filler 12 is kept away from 4 one side of acoustic celotex board through joint fixedly.

A waterproof sealing ring is fixedly connected to a door frame of the cabinet door 11 through gluing and used for preventing water and dust from falling into the cabinet, one end, extending out of the top plate 8, of the cold air pipe 7 is fixedly connected with an air cooler through a pipe joint and used for providing cold air to facilitate heat dissipation of the control cabinet, the vibration isolation platform 2 and one side, close to the cabinet door 11, of the top plate 8 extend out of the edge of the cabinet body 3 by 5-10cm, the cabinet body 3 is protected conveniently and prevented from colliding with the cabinet body, an inner lamp is fixedly connected to the center of the aluminum silencing plate 6 at the top of the cabinet body 3 through screws, installation and maintenance are facilitated, a.

The working principle is as follows: during the use, through acoustic celotex board 4 and the filtering action of aluminium system acoustical panel 6, absorb the actuation sound that PLC relay sent, simultaneously through with 5 joints of cooling tube between acoustic celotex board 4 and aluminium system acoustical panel 6, the effectual wind that produces when having reduced the heat dissipation makes an uproar.

In the process of carrying out integral transportation and installation and transportation on the electronic components inside the control cabinet, the vibration of the electronic components inside the control cabinet is greatly reduced through the active vibration isolation of the active vibration isolator 1 and the vibration absorption of the steel honeycomb core 10 inside the vibration isolation platform 2, and the electronic components inside the control cabinet are prevented from being damaged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 silencing device for switch board, includes initiative isolator (1), the cabinet body (3), cold air duct (7) and cabinet door (11), its characterized in that: the vibration isolation cabinet is characterized in that the top of the driving vibration isolator (1) is fixedly connected with a vibration isolation platform (2) through bolts, the inside of the vibration isolation platform (2) is fixedly filled and connected with a steel honeycomb core (10) through welding, the upper surface of the vibration isolation platform (2) is fixedly connected with a cabinet body (3) through bolts, two sides of the cabinet body (3) are rotatably connected with cabinet doors (11) through hinges, three side inner walls of the cabinet body (3) are fixedly connected with sound insulation boards (4) through screws, one side, away from the inner wall of the cabinet body (3), of each sound insulation board (4) is fixedly connected with a radiating pipe (5) through clamping, three sides of the cabinet body (3) correspond to the radiating pipe (5), one side, away from the sound insulation boards (4), is fixedly connected with an aluminum sound insulation board (6) through clamping, the top and the bottom inner walls of the cabinet body (3) are fixedly connected, the improved cabinet is characterized in that the outer wall of the top surface of the cabinet body (3) is provided with a top plate (8) through a screw fixedly connected with, a cold air pipe (7) is arranged inside the top plate (8) through a clamping fixedly connected with, the top of the heat dissipation pipe (5) stretches into the inner end of the top plate (8) and is fixedly connected with the cold air pipe (7) through a pipe joint, sound insulation boards (4) are arranged on the inner wall of the cabinet door (11) through the screw fixedly connected with and are located, the sound insulation boards (4) on the cabinet door (11) are far away from one side of the cabinet door (11) through a clamping fixedly connected with honeycomb packing (12), and the honeycomb packing (12.

2. The silencing device for the control cabinet according to claim 1, wherein: the door frame of the cabinet door (11) is fixedly connected with a waterproof sealing ring through gluing.

3. The silencing device for the control cabinet according to claim 1, wherein: one end of the cold air pipe (7) extending out of the top plate (8) is fixedly connected with an air cooler through a pipe joint.

4. The silencing device for the control cabinet according to claim 1, wherein: the vibration isolation platform (2) and the top plate (8) extend out of the edge of the cabinet body (3) by 5-10cm from the side close to the cabinet door (11).

5. The silencing device for the control cabinet according to claim 1, wherein: the aluminum sound-absorbing board (6) at the top of the cabinet body (3) is fixedly connected with an inner lamp through a screw at the center.

6. The silencing device for the control cabinet according to claim 1, wherein: the cabinet door (11) is fixedly connected with a door lock through a screw.