CN115075415B - Noise reduction processing device - Google Patents
Noise reduction processing device Download PDFInfo
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- CN115075415B CN115075415B CN202210852160.3A CN202210852160A CN115075415B CN 115075415 B CN115075415 B CN 115075415B CN 202210852160 A CN202210852160 A CN 202210852160A CN 115075415 B CN115075415 B CN 115075415B
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- 238000003780 insertion Methods 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 2
- 206010013954 Dysphoria Diseases 0.000 description 1
- 208000020358 Learning disease Diseases 0.000 description 1
- 208000009205 Tinnitus Diseases 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000003933 environmental pollution control Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 201000003723 learning disability Diseases 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 231100000886 tinnitus Toxicity 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/99—Room acoustics, i.e. forms of, or arrangements in, rooms for influencing or directing sound
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The application relates to a noise reduction processing apparatus, including fixing the abatvoix on the wall, the vertical fixedly connected with acoustic celotex in one side of abatvoix on deviating from the wall, the patchhole has been seted up to the level on the acoustic celotex, the inside of patchhole is worn to be equipped with and is subtracted can the module, subtract can the module with sliding connection between the acoustic celotex. This application has the comfort level that improves meeting personnel when the meeting, reduces the propagation of the inside noise of meeting room, reduces the effect of the inside noise of meeting room to meeting personnel's influence.
Description
Technical Field
The present application relates to the field of noise reduction devices, and in particular, to a noise reduction processing apparatus.
Background
Noise pollution, atmospheric pollution, water pollution and solid waste pollution have been listed as four major environmental hazards in today's society. Especially when excessively exposed to noise pollution, people can feel dysphoria, seriously influence sleep and mental health, diseases such as learning disorder and tinnitus can be caused, and even the risk of suffering from heart diseases and the like is increased, so that the life of people is reduced. Therefore, how to reduce noise pollution has become one of the main problems of environmental pollution control in the new situation of the 21 st century.
In a conference room, it is often necessary to keep relatively quiet, however, noise inside the conference room is mainly derived from discussion of conference staff, air-conditioning air vents, lighting appliance noise, seat flip noise, projector noise, and the like. The traditional sound insulation device of meeting room mainly includes the wall body and sets up the acoustic celotex board on the inner wall of wall body, and the acoustic celotex board has concave-convex structure towards indoor one side processing, when the sound wave transmits to concave-convex structure, receives concave-convex structure's influence and reflects, and the in-process of reflection, the energy constantly decays to play the effect of making an uproar that falls that gives sound insulation.
With respect to the above related art, the inventors believe that these noises existing inside the conference room will not provide a comfortable conference environment with good sound quality, and the sound insulation effect is poor and the comfort of the conference staff is reduced by only reducing the noise by the reflection of the sound waves on the surface of the sound insulation plate.
Disclosure of Invention
In order to improve the comfort level of meeting personnel when meeting, reduce the propagation of the noise of meeting room inside, reduce the influence of the noise of meeting room inside to the meeting personnel, this application provides a noise reduction processing apparatus.
The application provides a noise reduction processing device adopts following technical scheme:
the utility model provides a noise reduction processing apparatus, is including fixing the abatvoix on the wall, the vertical fixedly connected with acoustic celotex board in one side that the abatvoix deviates from on the wall, the insertion hole has been seted up to the level on the acoustic celotex board, the inside of insertion hole is worn to be equipped with and is subtracted can the module, subtract can the module with sliding connection between the acoustic celotex board.
Through adopting above-mentioned technical scheme, through fixing the acoustic celotex board in the outside of acoustic celotex board, and will subtract the inside of ability module from the patchhole and insert to reduce the energy through subtracting the inside noise of ability module to meeting room, the energy of noise propagation improves meeting personnel's comfort level when meeting, reduces the propagation of the inside noise of meeting room, reduces the influence of the inside noise of meeting room to meeting personnel.
Optionally, the energy reduction channel has been seted up to the center level of energy reduction module, energy reduction module for the position fixedly connected with reflecting plate of energy reduction channel, just the reflecting plate is close to the lateral wall slope setting at energy reduction channel center, the reflecting plate is close to the lateral wall of energy reduction channel is along deviating from one side to the side that is close to the wall gradually towards being close to one side at the center of energy reduction channel, energy reduction cavity has been seted up to the lateral wall of energy reduction module, energy reduction cavity with energy reduction channel passes through first communication hole and links to each other, first communication hole be located with the reflecting plate is close to the perpendicular line of one side lateral wall of energy reduction channel.
Through adopting above-mentioned technical scheme, the noise enters into the inside that subtracts can the module through subtracting the passageway, and then enters into the inside that subtracts can the chamber through the reflection of reflecting plate, and then the noise is located the inside multiple reflection that subtracts can the chamber to the energy of noise reduction plays the effect of making an uproar.
Optionally, the energy reduction module is close to one side of the acoustic panel is horizontally provided with a locking hole, the acoustic panel is horizontally fixedly connected with a locking plate relative to the position of the locking hole, when the energy reduction module stretches out from the inside of the energy reduction channel, the locking plate can stretch into the inside of the locking hole, and a locking structure is arranged on the locking plate.
Through adopting above-mentioned technical scheme, through stretching into the inside of locking hole with the locking plate, and then fix locking plate and energy reduction module through locking structure to reduce the circumstances that energy reduction module relatively slid in the inside of acoustic celotex board, the installation of operating personnel of being convenient for.
Optionally, the locking structure is including being located the locking plate is close to the spout that energy-reducing module one side level was seted up, the inside relative sliding connection of spout has two fixture blocks, energy-reducing module for the draw-in groove has been seted up to the position level of fixture block, two the level is provided with the elastic component between the fixture block, the fixture block deviates from one side fixedly connected with stay cord of energy-reducing module, the stay cord deviates from one side fixedly connected with clamping structure of fixture block.
Through adopting above-mentioned technical scheme, through the stay cord one side pulling that deviates from the fixture block to compress the elastic component, and then be located the inside of spout with two fixture blocks, and after the card is fixed to be constructed to be untied, the elastic component promotes two relative fixture blocks and removes towards the direction that deviates from relatively, with the inside roll-off of fixture block from the spout, the fixture block stretches into the inside of draw-in groove, and then with locking plate and energy reduction module relatively fixed.
Optionally, the card is fixed constructs including the cardboard with stay cord fixedly connected with, the both ends of cardboard are fixedly connected with stopper respectively, just the limiting groove has been seted up for the position of stopper to the locking plate, the limiting groove is including the perpendicular groove of vertical setting and with perpendicular groove relative intercommunication's transverse groove, transverse groove is located the top level setting of perpendicular groove, fixedly connected with first magnet on the cardboard, energy reduction module is located the top level fixedly connected with second magnet of locking plate, first magnet with second magnet can adsorb relatively, works as first magnet and second magnet are wrong, the stopper is located the inside of perpendicular groove, works as first magnet with the second magnet is relative, the stopper upwards moves, the stopper with the transverse groove is relative.
Through adopting above-mentioned technical scheme, through stretching into the inside of locking groove with the locking piece, and then make first magnet and second magnet relative to make the cardboard upwards move, drive the stopper and upwards move in the inside of erecting the groove, move the position department of horizontal groove, and the elastic component drives the cardboard and moves towards one side that is close to the elastic component, and then breaks away from the cardboard in the inside of spacing groove.
Optionally, an energy reduction channel is left between the acoustic panel and the acoustic panel.
Through adopting above-mentioned technical scheme, can be convenient for from subtracting the energy passageway that reduces that the energy passageway enters into the noise of abatvoix position department and reflect and subtract can through the energy passageway that reduces to the influence of noise.
Optionally, a plurality of reflection protrusions are fixedly connected to the sound absorbing plate.
Through adopting above-mentioned technical scheme, can reflect the noise through the reflection arch that sets up to the energy of noise abatement, and then noise abatement produces the influence to the meeting room.
Optionally, the sound absorbing plate is fixedly connected with a partition plate at a position opposite to the insertion hole, and one side of the partition plate, which is close to the insertion hole, is in a pointed structure.
Through adopting above-mentioned technical scheme, can reduce from subtracting the energy passageway and enter into the noise and be reflected away through the division board of sharp structure that sets up to be convenient for to the energy reduction purification that leads to the noise that enters into the energy reduction passageway inside.
Optionally, the inside of division board is hollow structure, just the inside and the external world of division board are through the relative intercommunication of second intercommunicating pore, the second intercommunicating pore is located the division board is close to the lateral wall level setting of insertion hole.
Through adopting above-mentioned technical scheme, the noise that gets into from subtracting the energy passageway can enter into the inside of division board through the second intercommunicating pore, and then reflect from the inside of division board and subtract can to be convenient for purify the noise.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through fixing the acoustic celotex board in the outside of acoustic celotex board, and will subtract the inside of ability module from the patchhole and insert to reduce the ability through subtracting the inside noise of ability module to meeting room, reduce the energy that the noise propagates, improve meeting personnel's comfort level when meeting, reduce the propagation of the inside noise of meeting room, reduce the influence of the inside noise of meeting room to meeting personnel.
2. Noise enters into the inside of subtracting the ability module through subtracting the ability passageway, and then enters into the inside that subtracts the ability chamber through the reflection of reflecting plate, and then the noise is located the inside multiple reflection that subtracts the ability chamber to the energy of noise reduction plays the effect of making an uproar.
3. Through stretching into the inside of locking groove with the locking piece, and then make first magnet and second magnet relative to make the cardboard upwards move, drive the stopper and upwards move in the inside of erecting the groove, move the position department of transverse groove, and the elastic component drives the cardboard and moves towards one side that is close to the elastic component, and then breaks away from the cardboard in the inside of spacing groove.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a noise reduction processing apparatus in an embodiment of the present application;
FIG. 2 is a cross-sectional view of the overall structure of a noise reduction processing apparatus in an embodiment of the present application;
FIG. 3 is a cross-sectional view of a power reduction module of a noise reduction processing device in an embodiment of the present application;
fig. 4 is a schematic view of a structure at a lock hole position of a noise reduction processing apparatus in an embodiment of the present application;
FIG. 5 is a side view of a noise reduction device in an embodiment of the present application at a locking hole location;
fig. 6 is an enlarged view of fig. 5.
Reference numerals illustrate: 1. a sound absorbing panel; 11. an energy reduction passage; 12. a locking plate; 121. a chute; 122. a clamping block; 123. a spring; 124. a receiving chamber; 125. a pull rope; 126. a clamping plate; 1261. a limiting block; 1262. a first magnet; 1271. a vertical groove; 1272. a transverse groove; 13. a reflective protrusion; 14. a partition plate; 141. a second communication hole; 2. a sound insulation board; 21. an insertion hole; 22. an energy reduction module; 221. an energy reduction channel; 222. a reflection plate; 223. an energy reduction cavity; 2231. a first communication hole; 224. a locking hole; 225. a clamping groove; 226. and a second magnet.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-6.
The embodiment of the application discloses a noise reduction processing device. Referring to fig. 1 and 2, a noise reduction device comprises an acoustic board 1 fixed on a wall and vertically arranged, an acoustic board 2 is vertically arranged on one side of the acoustic board 1 away from the wall, a gap is reserved between the acoustic board 2 and the acoustic board 1 to form an energy reduction passage 11, and the outer side of the acoustic board 2 is fixedly connected with the acoustic board 1 through bolts.
Referring to fig. 2 and 3, the surface level of the sound insulation board 2 is provided with an insertion hole 21, the insertion hole 21 is of a rectangular structure, the surface of the sound insulation board 2 is provided with a plurality of insertion holes 21, the inside of the insertion hole 21 is slidably connected with an energy reduction module 22, the center of the energy reduction module 22 is horizontally provided with an energy reduction channel 221, the side wall of the energy reduction module 22, which is close to the energy reduction channel 221, is fixedly connected with a reflecting plate 222, the reflecting plate 222 is of a triangular structure, the side wall of the reflecting plate 222, which is close to the center of the energy reduction channel 221, is obliquely arranged, and the oblique direction is gradually inclined towards the side, which is close to the center of the energy reduction channel 221, from the side, which is away from the sound absorption board 1, to the side, which is close to the sound absorption board 1.
The reflection plates 222 are provided in plurality along the arrangement direction of the energy reduction channels 221, and the side wall of the reflection plate 222 located closest to the side of the sound absorbing plate 1 near the sound absorbing plate 1 is flush with the side wall of the sound absorbing plate 2 near the sound absorbing plate 1.
The side wall of the energy reduction module 22 is provided with an energy reduction cavity 223, one side of the energy reduction cavity 223 close to the energy reduction channel 221 is provided with a first communication hole 2231, and the first communication hole 2231 communicates the interior of the energy reduction cavity 223 with the energy reduction channel 221 relatively. The first communication hole 2231 is located on a midpoint of the inclined sidewall of the reflection plate 222, and further transmits the reflected sound wave to the position of the first communication hole 2231 through the reflection plate 222, and further enters the interior of the energy reduction chamber 223 to perform energy reduction and noise reduction.
Referring to fig. 4 and 5, a locking hole 224 is horizontally formed in a side of the energy reduction module 22 adjacent to the sound absorbing plate 1, and a locking plate 12 is horizontally and fixedly connected to a position of the sound absorbing plate 1 adjacent to the locking hole 224, and when the energy reduction module 22 protrudes from the inside of the insertion hole 21, the locking plate 12 can protrude into the inside of the locking hole 224.
A sliding groove 121 is horizontally formed in one side, close to the energy reduction module 22, of the locking plate 12, the sliding groove 121 completely penetrates through the locking plate 12, the opening direction of the sliding groove 121 is perpendicular to the opening direction of the energy reduction channel 221, two clamping blocks 122 are connected inside the sliding groove 121 in a sliding mode, a spring 123 is horizontally arranged between the two clamping blocks 122, and two ends of the spring 123 are fixedly connected with the two clamping blocks 122 respectively. The locking hole 224 is horizontally provided with a clamping groove 225 corresponding to the position of the clamping block 122, and when the clamping block 122 slides out of the chute 121, the clamping block can extend into the clamping groove 225.
The locking plate 12 is horizontally provided with a receiving chamber 124, and the receiving chamber 124 is relatively communicated with the chute 121. One side of the clamping block 122 deviating from the energy reduction module 22 is fixedly connected with a pull rope 125, two ends of the pull rope 125 are respectively fixedly connected with two clamping blocks 122, one side of the pull rope 125 deviating from the clamping block 122 is fixedly connected with a clamping plate 126, the clamping plate 126 is in sliding connection with the locking plate 12, and two ends of the clamping plate 126 are respectively fixedly connected with limiting blocks 1261.
Referring to fig. 5 and 6, a limiting groove is formed in the side wall of the locking plate 12 opposite to the limiting block 1261, the limiting groove is relatively communicated with the accommodating cavity 124, and the limiting block 1261 is located in the limiting groove and is relatively slidably connected. The limiting groove comprises a vertical groove 1271 which is vertically arranged, a horizontal groove 1272 which is horizontally arranged at the top end of the vertical groove 1271, and the vertical groove 1271 and the horizontal groove 1272 are relatively communicated.
The upper surface fixedly connected with first magnet 1262 of cardboard 126, and the horizontal fixedly connected with second magnet 226 of position level that subtracts energy module 22 is close to the top of locking plate 12, after subtracting energy module 22 stretches into the inside of inserting hole 21, second magnet 226 is located the top of locking plate 12, and first magnet 1262 and second magnet 226 are relative, upwards move cardboard 126, and then drive stopper 1261 and remove the position of horizontal groove 1272 from the bottom of perpendicular groove 1271 to with cardboard 126 from the inside roll-off in card solid groove.
When the limiting block 1261 is clamped in the vertical slot 1271, the spring 123 is in a compressed state, and the two clamping blocks 122 are respectively located in the clamping slots 225. When the limiting block 1261 slides out from the inside of the limiting groove, the spring 123 pushes the two clamping blocks 122 to extend out from the inside of the sliding groove 121, and the clamping blocks 122 are clamped in the clamping groove 225, so that the energy reduction module 22 is fixed.
Referring to fig. 2 and 3, a reflective protrusion 13 is fixedly connected to a side of the sound absorbing plate 1 facing away from the wall, and a plurality of reflective protrusions 13 are fixedly arranged on the sound absorbing plate 1. The sound absorbing plate 1 is fixedly connected with the partition plate 14 at a position corresponding to the insertion hole 21, the partition plate 14 is of a conical structure, and the tip of the partition plate 14 is opposite to the energy reducing passage 11. The partition plate 14 has a hollow structure, and a second communication hole 141 is horizontally provided at one end of the partition plate 14 adjacent to the energy reduction passage 11, and the second communication hole 141 can communicate the inside of the partition plate 14 with the outside.
The implementation principle of the noise reduction processing device in the embodiment of the application is as follows: the sound absorbing plate 1 is fixedly connected with the wall, the sound absorbing plate 2 is fixedly connected with the sound absorbing plate 1 through bolts, the energy reduction module 22 is inserted from the position of the insertion hole 21, the locking plate 12 is extended into the locking hole 224, the clamping block 122 is opposite to the clamping groove 225, the first magnet 1262 is opposite to the second magnet 226, the limiting block 1261 is moved to the top end of the transverse groove 1272 at the bottom end of the transverse groove 1272, the energy reduction module 1272 slides out from the inside of the transverse groove 1272, and the clamping block 122 is pushed to extend into the clamping groove 225 through the spring 123, so that the energy reduction module 22 is fixed.
Noise located inside the conference room can enter the inside of the energy reduction cavity 223 through reflection of the reflection plate 222 inside the energy reduction channel 221, noise not entering the inside of the energy reduction cavity 223 can enter the inside of the partition plate 14 through the energy reduction channel 221 to be energy reduced, and the remaining part enters the inside of the energy reduction channel 11 to be subjected to energy reduction and noise reduction processing through reflection of the reflection protrusions 13 and the sound absorbing plate 1.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (5)
1. A noise reduction processing apparatus characterized in that: the sound-absorbing plate comprises a sound-absorbing plate (1) fixed on a wall, wherein one side, deviating from the wall, of the sound-absorbing plate (1) is vertically and fixedly connected with a sound-insulating plate (2), an inserting hole (21) is horizontally formed in the sound-insulating plate (2), an energy-reducing module (22) is arranged in the inserting hole (21) in a penetrating mode, and the energy-reducing module (22) is connected with the sound-insulating plate (2) in a sliding mode; the energy reduction device comprises an energy reduction module (22), wherein an energy reduction channel (221) is horizontally arranged in the center of the energy reduction module (22), a reflecting plate (222) is fixedly connected to the energy reduction channel (221) at a position opposite to the energy reduction channel, the reflecting plate (222) is obliquely arranged close to the side wall of the center of the energy reduction channel (221), the side wall of the reflecting plate (222) close to the energy reduction channel (221) is gradually inclined towards one side close to the center of the energy reduction channel (221) from one side away from a wall to one side close to the wall, an energy reduction cavity (223) is formed in the side wall of the energy reduction module (22), the energy reduction cavity (223) is connected with the energy reduction channel (221) through a first communication hole (2231), and the first communication hole (2231) is positioned on a vertical line with the side wall of the reflecting plate (222) close to the energy reduction channel (221). A locking hole (224) is horizontally formed in one side, close to the sound absorbing plate (1), of the energy reducing module (22), a locking plate (12) is horizontally and fixedly connected to the sound absorbing plate (1) relative to the position of the locking hole (224), when the energy reducing module (22) stretches out of the energy reducing channel (221), the locking plate (12) can stretch into the locking hole (224), and a locking structure is arranged on the locking plate (12); the locking structure comprises a chute (121) horizontally arranged at one side, close to the energy reduction module (22), of the locking plate (12), two clamping blocks (122) are connected inside the chute (121) in a relatively sliding mode, clamping grooves (225) are horizontally arranged at positions of the energy reduction module (22) relative to the clamping blocks (122), elastic pieces are horizontally arranged between the two clamping blocks (122), a pull rope (125) is fixedly connected to one side, deviating from the energy reduction module (22), of the clamping blocks (122), and a clamping structure is fixedly connected to one side, deviating from the clamping blocks (122), of the pull rope (125); the clamping structure comprises a clamping plate (126) fixedly connected with a pull rope (125), limiting blocks (1261) are fixedly connected to two ends of the clamping plate (126) respectively, limiting grooves are formed in the positions of the locking plate (12) relative to the limiting blocks (1261), the limiting grooves comprise vertical grooves (1271) which are vertically arranged and transverse grooves (1272) which are communicated with the vertical grooves (1271) relatively, the transverse grooves (1272) are formed in the top end horizontal positions of the vertical grooves (1271), first iron-absorbing stones (1262) are fixedly connected to the clamping plate (126), second iron-absorbing stones (226) are fixedly connected to the upper horizontal positions of the locking plate (12), the first iron-absorbing stones (1262) and the second iron-absorbing stones (226) can be adsorbed relatively, the limiting blocks (1261) are located in the vertical grooves (226) relatively, and the first iron-absorbing stones (1262) and the second iron-absorbing stones (226) are relatively adsorbed by the limiting blocks (1261) relatively to the first iron-absorbing stones (1262).
2. A noise reduction processing apparatus according to claim 1, wherein: an energy-reducing passage (11) is reserved between the sound absorbing plate (1) and the sound insulating plate (2).
3. A noise reduction processing apparatus according to claim 1, wherein: a plurality of reflecting bulges (13) are fixedly connected to the sound absorbing plate (1).
4. A noise reduction processing apparatus according to claim 3, wherein: the sound absorbing plate (1) is fixedly connected with a partition plate (14) at the position opposite to the insertion hole (21), and one side of the partition plate (14) close to the insertion hole (21) is of a pointed structure.
5. A noise reduction processing apparatus according to claim 4, wherein: the inside of division board (14) is hollow structure, just the inside of division board (14) is through second intercommunicating pore (141) relative intercommunication with the external world, second intercommunicating pore (141) are located division board (14) are close to the lateral wall level of insertion hole (21) sets up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210852160.3A CN115075415B (en) | 2022-07-20 | 2022-07-20 | Noise reduction processing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210852160.3A CN115075415B (en) | 2022-07-20 | 2022-07-20 | Noise reduction processing device |
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| CN115075415A CN115075415A (en) | 2022-09-20 |
| CN115075415B true CN115075415B (en) | 2024-01-26 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115075415A (en) | 2022-09-20 |
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