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CN-224228020-U - Environment-friendly electric power facility sound insulation structure

CN224228020UCN 224228020 UCN224228020 UCN 224228020UCN-224228020-U

Abstract

The utility model discloses an environment-friendly electric power facility sound insulation structure, which comprises a connecting frame and a multi-layer sound insulation structure, wherein the multi-layer sound insulation structure comprises an outer sound absorption plate, a middle sound insulation layer and an inner damping layer, a plurality of conical sound absorption protrusions are arranged on the surface of the outer sound absorption plate, spiral grooves are formed in the surface of the conical sound absorption protrusions, a micropore structure is arranged on the outer sound absorption plate, a plurality of hexagonal holes are uniformly formed in the middle sound insulation layer, porous ceramic cores are filled in the hexagonal holes, and a second protrusion structure and a concave structure are arranged on the surface of the inner damping layer. In the utility model, the conical sound-absorbing bulges and the spiral grooves on the surface of the outer layer sound-absorbing plate increase the reflection path of sound, improve the absorption effect of medium-high frequency noise, and the filling of the porous ceramic core of the middle sound-insulating layer enhances the sound-insulating performance, and the irregular polygonal bulges and the concave structures of the inner layer damping layer not only increase the friction force with the contact surface, but also play roles in scattering and absorbing sound.

Inventors

  • Cheng Tansong
  • ZHANG WANLONG
  • Xia Fangbin

Assignees

  • 安徽新城电力工程建设有限公司

Dates

Publication Date
20260512
Application Date
20250515

Claims (10)

  1. 1. The sound insulation structure of the environment-friendly electric power facility is characterized by comprising a connecting frame (1) and a multi-layer sound insulation structure (2), wherein the multi-layer sound insulation structure (2) comprises an outer-layer sound absorption plate (21), a middle sound insulation layer (22) and an inner-layer damping layer (23); The surface of the outer layer sound-absorbing plate (21) is provided with a plurality of conical sound-absorbing bulges (211), the surface of the conical sound-absorbing bulges (211) is provided with spiral grooves (2111), and the outer layer sound-absorbing plate (21) is provided with a micropore structure (212); a plurality of hexagonal holes are uniformly formed in the middle sound insulation layer (22), and porous ceramic cores (221) are filled in the hexagonal holes; The surface of the inner damping layer (23) is provided with a second protruding structure (231) and a recessed structure (232).
  2. 2. The sound insulation structure for environment-friendly electric power facilities according to claim 1, wherein reinforcing ribs (11) are arranged at four corners of the connecting frame (1).
  3. 3. The sound insulation structure for environment-friendly electric power facilities as claimed in claim 2, wherein the reinforcing ribs (11) are of an internal hollow structure, and the hollow part is filled with sound absorbing materials.
  4. 4. The sound insulation structure of environment-friendly electric power facility as set forth in claim 1, wherein the connecting frames (1) are detachably mounted at the middle positions of two side walls, two connecting frames (12) are symmetrically arranged along one diagonal direction of the connecting frames (1), clamping holes (121) are formed in two sides of each connecting frame (12), connecting lugs (13) are detachably mounted at the middle positions of the other two side walls of the connecting frames (1), two connecting lugs (13) are symmetrically arranged along the other diagonal direction of the connecting frames (1), mounting holes (131) are formed in two sides of each connecting lug (13), springs (132) are fixedly mounted in the mounting holes (131), and clamping blocks (133) matched with the clamping holes (121) are fixedly mounted at the outer ends of the springs (132).
  5. 5. The sound insulation structure for environment-friendly electric power facilities as claimed in claim 1, wherein the height of the conical sound absorption protrusions (211) is 10-15mm, the diameter of the bottom is 8-12mm, and the sound absorption protrusions are uniformly distributed in a matrix.
  6. 6. The sound insulation structure for environment-friendly electric power facilities as claimed in claim 1, wherein the depth of the spiral groove (2111) is 2-3mm and the width is 1-2mm.
  7. 7. The sound insulation structure for environment-friendly electric power facilities as claimed in claim 1, wherein the pore diameter of the microporous structure (212) is 0.1-0.5mm, and the pore spacing is 1-3mm.
  8. 8. The sound insulation structure of environment-friendly electric power facility as claimed in claim 1, wherein the pore diameter of the porous ceramic core (221) is 0.1-0.5mm, and the porosity is more than or equal to 60%.
  9. 9. The sound insulation structure for environment-friendly electric power facilities as claimed in claim 1, wherein the surface of the porous ceramic core (221) is provided with a first protruding structure (2211), the height of the first protruding structure (2211) is 0.05-0.1mm, and the diameter of the first protruding structure is 0.1-0.2mm.
  10. 10. The sound insulation structure for environment-friendly electric power facilities as claimed in claim 1, wherein the height of the second protrusion structure (231) is 0.5-1mm, and the depth of the recess structure (232) is 0.3-0.8mm.

Description

Environment-friendly electric power facility sound insulation structure Technical Field The utility model relates to the technical field of sound insulation of electric power facilities, in particular to an environment-friendly sound insulation structure of electric power facilities. Background With the continuous development of the power industry, noise problems generated during operation of power facilities are increasingly concerned. The electric power facilities can continuously generate various frequency noises, especially medium-high frequency noises, which not only pollute the surrounding environment and influence the normal life and rest of residents, but also can generate a certain potential hazard to ecological balance. At the moment of increasingly strict environmental protection requirements, how to effectively reduce noise generated by electric power facilities becomes an important subject to be solved urgently. The noise generated by the electric power facilities contains a large amount of medium-high frequency components, the traditional sound insulation structure has limited absorption capacity on the medium-high frequency noise, so that the noise easily penetrates the sound insulation structure to influence the sound insulation effect, and the contact area between part of the sound insulation structure and the sound is small, so that the sound absorption efficiency is low, and the sound energy cannot be fully utilized. It is necessary to increase the contact area of the sound insulation structure with sound, thereby improving the sound absorption efficiency. The present device was invented by studying the above problems. Disclosure of utility model In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides an environment-friendly sound insulation structure for electric power facilities, which solves the problems set forth in the above-mentioned background art. In order to achieve the aim, the utility model provides the technical scheme that the sound insulation structure of the environment-friendly electric power facility is characterized by comprising a connecting frame and a multi-layer sound insulation structure, wherein the multi-layer sound insulation structure comprises an outer sound absorption plate, a middle sound insulation layer and an inner damping layer; The surface of the outer layer sound-absorbing plate is provided with a plurality of conical sound-absorbing bulges, the surface of each conical sound-absorbing bulge is provided with a spiral groove, and the outer layer sound-absorbing plate is provided with a micropore structure; A plurality of hexagonal holes are uniformly formed in the middle sound insulation layer, and the hexagonal holes are filled with porous ceramic cores; the surface of the inner damping layer is provided with a second protruding structure and a concave structure. Further, reinforcing ribs are arranged at four corners of the connecting frame. Further, the reinforcing ribs have a hollow structure, and the hollow portions are filled with sound absorbing materials. Further, the intermediate position of two of the side walls of the connecting frame is detachably provided with the connecting support, two connecting supports are symmetrically arranged along one diagonal direction of the connecting frame, clamping holes are formed in two sides of the connecting support, connecting lugs are detachably arranged in the intermediate position of the other two of the side walls of the connecting frame, two connecting lugs are symmetrically arranged along the other diagonal direction of the connecting frame, mounting holes are formed in two sides of each connecting lug, springs are fixedly mounted in the mounting holes, and clamping blocks matched with the clamping holes are fixedly mounted outside the springs. Further, the height of the conical sound-absorbing bulges is 10-15mm, the diameter of the bottom is 8-12mm, and the conical sound-absorbing bulges are uniformly distributed in a matrix. Further, the depth of the spiral groove is 2-3mm, and the width is 1-2mm. Further, the pore diameter of the microporous structure is 0.1-0.5mm, and the pore spacing is 1-3mm. Further, the pore diameter of the porous ceramic core body is 0.1-0.5mm, and the porosity is more than or equal to 60%. Further, the surface of the porous ceramic core body is provided with a first protruding structure, the height of the first protruding structure is 0.05-0.1mm, and the diameter of the first protruding structure is 0.1-0.2mm. Further, the height of the second protruding structures is 0.5-1mm, and the depth of the recessed structures is 0.3-0.8mm. Compared with the prior art, the utility model has the beneficial effects that: 1. The multi-layer sound insulation structure comprises an outer layer sound absorption plate, a middle sound insulation layer and an inner layer damping layer, wherein the conical sound absorption protrusions and spiral gr