Transformer door bracket sound insulation cotton device

Abstract

The present invention discloses a transformer door-type bracket sound insulation cotton device, the door-type bracket is composed of left and right side seats and a support plate connected between the tops of the left and right side seats, including frame plates installed in the front and rear side cavities of the channel below the support plate, the outer plate surface of each frame plate is fixed with a sound insulation cotton layer, the left side frame edge of the front frame plate is rotatably installed with multiple rotating shafts, the rear end of each rotating shaft extends to the rear frame plate, each rotating shaft is respectively fixed with a sound absorbing diaphragm, the inner plate surface of the right side frame edge of the rear frame plate is fixed with multiple heat conducting sheets, and each heat conducting sheet is supported on the right bottom of the sound absorbing diaphragm in a one-to-one correspondence. The present invention can effectively reduce the noise interference generated by the transformer when used for transformer testing.

Description

Technical Field

[0001] The invention relates to the field of transformer testing devices, in particular to a transformer door-type bracket sound insulation cotton device. Background Art

[0002] The finished transformer needs to be placed on a door-type bracket for testing. The door-type bracket is generally composed of left and right side seats and a top plate fixed on the top of the left and right side seats. The transformer is placed on the top plate for testing. When the transformer is tested, noise will be generated. The channel under the top plate will form a resonance cavity, which will amplify the noise. The amplified noise will interfere with the sound level test of the transformer. Summary of the invention

[0003] The purpose of the present invention is to provide a transformer gate-type bracket sound insulation cotton device to solve the problem of noise amplification when the gate-type bracket in the prior art is used for transformer testing.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is:

[0005] A transformer door-type bracket sound insulation cotton device, the door-type bracket is composed of a left and right side seat and a support plate connected between the tops of the left and right sides of the seat, and a channel is surrounded by the left and right sides of the seat and the support plate, characterized in that: it includes a frame plate installed in the front and rear side cavities of the channel below the support plate, and the outer plate surface of each frame plate is fixedly attached with at least one layer of sound insulation cotton layer, wherein the left side frame edge of the front frame plate is rotatably installed with a plurality of rotating shafts axially along the front-to-back direction, and each rotating shaft is distributed along the vertical direction, and the front end of each rotating shaft passes through the front frame plate respectively, and the rear end of each rotating shaft extends to the rear frame plate respectively, and the part of each rotating shaft located in the channel is fixed with a sound-absorbing diaphragm respectively, and the front and rear sides of each suction diaphragm extend to the frame plate close to the corresponding direction respectively, and the right side edge of each sound-absorbing diaphragm extends horizontally to the right side seat respectively, and the inner plate surface of the right side frame edge of the rear frame plate is fixed with a plurality of heat-conducting plates extending along the front-to-back direction, and the front end of each heat-conducting plate extends to the front frame plate respectively, and each heat-conducting plate is supported one by one at the bottom right side of the sound-absorbing diaphragm.

[0006] The transformer door-type bracket sound insulation cotton device is characterized in that: the left and right side outer plate surfaces of each frame plate are respectively fixedly connected with side plates, the side plates are respectively tightly attached to the side seats in the corresponding directions, the inner side surfaces of each side seat are respectively provided with slide grooves extending along the front and rear directions, and the side plates are respectively fixed with sliders slidably installed in the slide grooves at the corresponding slide groove positions, the front ends of the rotating shafts respectively pass through the front frame plate and the corresponding left side plate, and the rear ends of the heat conducting plates respectively pass through the rear frame plate and the corresponding right side plates.

[0007] The transformer door-type bracket sound insulation cotton device is characterized in that a rotating handle is coaxially fixed to the front end of each rotating shaft.

[0008] The transformer door-type bracket sound insulation cotton device is characterized in that the rear end of each heat conducting plate passes through the rear frame plate respectively, and the rear end of each heat conducting plate is connected to a heat sink respectively.

[0009] In the present invention, the front and rear frame plates are respectively blocked at the front and rear side openings of the channel, and the sound insulation cotton on the outer surface of the partition plate plays a role in sound insulation. At the same time, each rotating shaft is connected to a sound-absorbing membrane in the channel, and the sound-absorbing membrane is used to absorb sound vibration to further reduce noise. The heat generated by the sound-absorbing membrane when working is conducted to the heat sink through the heat conductive sheet and dissipated to the outside to improve the noise absorption capacity of the sound-absorbing membrane.

[0010] Compared with the prior art, the present invention can effectively reduce the noise interference generated by the transformer when used for transformer testing, and improve the accuracy of the transformer sound level test. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0012] Figure 2 It is a schematic diagram of the structure of the present invention after removing the top plate.

[0013] Figure 3 It is a top sectional view of the structure of the present invention. DETAILED DESCRIPTION

[0014] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0015] like Figure 1 , Figure 2 and Figure 3 As shown, the transformer door-type bracket sound insulation cotton device, the door-type bracket is composed of left and right side seats 1 and a support plate 2 connected between the tops of the left and right side seats 1, and a channel is surrounded by the left and right side seats 1 and the support plate 2, including frame plates installed in the front and rear side cavities of the channel below the support plate 2, and at least one layer of sound insulation cotton 3 is fixedly attached to the outer plate surface of each frame plate.

[0016] The left and right outer plate surfaces of each frame plate are respectively fixedly connected with side plates 4, which are respectively tightly attached to the side seats 1 in the corresponding directions. The inner side surface of each side seat 1 is respectively provided with a slide groove extending along the front-to-back direction, and the side plates 4 are respectively fixed with sliders 5 slidably installed in the slide groove at the corresponding slide groove positions.

[0017] The left side of the front frame plate 6.1 is rotatably mounted with a plurality of rotating shafts 7 axially along the front-to-back direction. Each rotating shaft 7 is distributed in the vertical direction. The front ends of the rotating shafts 7 pass through the front frame plate 6.1 and the corresponding left side plate, respectively. The front ends of each rotating shaft 7 are coaxially fixed with a rotating handle 8. The rear ends of each rotating shaft 7 extend to the rear frame plate 6.2, respectively. The part of each rotating shaft 7 located in the channel is respectively fixed with a sound-absorbing membrane 9. The sound-absorbing membrane 9 is composed of a frame plate and a sound-absorbing membrane fixed in the frame plate. The left side of the frame plate is fixed to the rotating shaft 7 so that the sound-absorbing membrane 9 rotates with the rotating shaft 7. The front and rear sides of each suction membrane 9 extend to the frame plate close to the corresponding direction, respectively. The right side of each sound-absorbing membrane 9 extends horizontally to the right seat, respectively.

[0018] A plurality of heat conducting sheets 10 extending in the front-to-back direction are fixed to the inner plate surface of the right side frame edge of the rear frame plate 6.2, and the front end of each heat conducting sheet 10 extends to the front frame plate 6.1, and each heat conducting sheet 10 is supported one by one on the right bottom of the sound absorbing membrane sheet 9. The rear ends of the heat conducting sheets 10 pass through the rear frame plate 6.2 and the corresponding right side plates, and the rear ends of each heat conducting sheet 10 are connected to heat sinks 11.

[0019] The embodiments described in the present invention are merely descriptions of the preferred implementation modes of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made to the technical solutions of the present invention by engineers and technicians in this field should fall within the protection scope of the present invention. The technical contents for which protection is sought in the present invention have all been recorded in the claims.

Claims

1. Transformer door-type bracket sound insulation cotton device, the door-type bracket is composed of left and right side seats and a support plate connected between the tops of the left and right side seats, and a channel is surrounded by the left and right side seats and the support plate, characterized in that: It includes frame plates installed in the front and rear side cavities of the channel below the support plate, at least one layer of sound insulation cotton layer is fixedly attached to the outer plate surface of each frame plate, wherein the left frame edge of the front frame plate is rotatably installed with multiple shafts axially along the front-to-back direction, each shaft is distributed in the vertical direction, the front end of each shaft passes through the front frame plate, the rear end of each shaft extends to the rear frame plate, each shaft is fixed with a sound-absorbing diaphragm on the part located in the channel, the front and rear sides of each suction diaphragm extend to the frame plate close to the corresponding direction, the right side edge of each sound-absorbing diaphragm extends horizontally to the right seat, and multiple heat-conducting sheets extending along the front-to-back direction are fixed to the inner plate surface of the right frame edge of the rear frame plate, the front end of each heat-conducting sheet extends to the front frame plate, and each heat-conducting sheet is supported on the right bottom of the sound-absorbing diaphragm in a one-to-one correspondence; The left and right outer plate surfaces of each frame plate are respectively fixedly connected with side plates, and the side plates are respectively close to the side seats in the corresponding directions. The inner side surface of each side seat is respectively provided with a slide groove extending in the front-to-back direction, and the side plates are respectively fixed with a slider slidably installed in the slide groove at the corresponding slide groove position. The front end of the rotating shaft passes through the front frame plate and the corresponding left side plate respectively, and the rear end of the heat conducting plate passes through the rear frame plate and the corresponding right side plate respectively; A rotating handle is coaxially fixed on the front end of each rotating shaft.

2. The transformer door bracket sound insulation cotton device according to claim 1 is characterized by: The rear end of each heat conducting plate passes through the rear frame plate, and the rear end of each heat conducting plate is connected to a heat sink.

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