CN212032638U - Sound insulation shell with multilayer structure - Google Patents
Sound insulation shell with multilayer structure Download PDFInfo
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- CN212032638U CN212032638U CN202020134661.4U CN202020134661U CN212032638U CN 212032638 U CN212032638 U CN 212032638U CN 202020134661 U CN202020134661 U CN 202020134661U CN 212032638 U CN212032638 U CN 212032638U
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Abstract
The utility model relates to a technical field of making an uproar falls in giving sound insulation, specifically disclose multilayer structure sound insulation shell, including the cover body of cover on the source of noise, the cover body outwards includes perforated plate, sound absorbing material, damping plate and visor board in proper order from the center of the source of noise, and perforated plate and visor board fixed connection form the casing of placing sound absorbing material and damping plate, are equipped with a plurality of through-holes on the perforated plate. The scheme is used for solving the problem that the noise source installation is unstable due to the fact that the noise source is loaded when the noise reduction device plays a noise reduction role in the prior art.
Description
Technical Field
The utility model relates to a technical field that makes an uproar falls gives sound insulation specifically is multilayer structure sound insulation shell.
Background
Along with the continuous improvement of social production level and people's material culture living level, the harm of various social and living noise pollution arouses the attention of the nation and the public more and more; the requirements for controlling and eliminating noise pollution are becoming more and more strong.
The production of noise is various, there is the traffic noise of the current production of car, there is the building noise that the construction produced, the noise that also has the equipment operation to produce, noise when the outer machine of air conditioner moves, noise to the noise pollution of surrounding environment in order to reduce the noise that the air conditioner moves production, the device of making an uproar falls of outer machine of china utility model patent among the prior art (patent publication is CN209801652U) just discloses the noise that produces the outer machine of air conditioner through install acoustic celotex board and rectifier box additional on the outer machine of air conditioner gives sound insulation and falls the noise.
However, the sound insulation board and the rectifying box of the noise reduction device are installed on the air conditioner external unit, so that the stress of the air conditioner external unit is increased, and the stable installation of the air conditioner external unit is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the intention is providing multilayer structure sound insulation shell to solve among the prior art and fall the device of making an uproar and can bring the load for the noise source when playing to fall the noise source, lead to the unstable problem of noise source installation.
In order to achieve the above object, the basic scheme of the present invention is as follows:
multilayer structure sound insulation shell, including the cover body of cover on the noise source, the cover body includes two piece at least curb plates, and the curb plate encloses the noise source with the object of installation noise source together and closes, fixed connection between the adjacent curb plate, and the curb plate fixed connection who is close to noise source installation object is on the object of installation noise source.
Compare the beneficial effect in prior art:
the noise source takes an air conditioner outdoor unit as an example, in the scheme, the multilayer structure shell and an object for mounting the noise source (namely, a wall body for mounting the air conditioner outdoor unit) enclose the noise source together to form the separation of noise generated by the air conditioner outdoor unit, so that the purposes of sound insulation and noise reduction are achieved; meanwhile, the multi-layer structure shell is fixed on an object provided with a noise source through the side plates which are connected with each other, so that the multi-layer structure shell does not need to be arranged on an air conditioner external unit, and the installation stability of the air conditioner external unit is not influenced when the sound insulation and noise reduction are carried out on the air conditioner external unit.
Further, the curb plate outwards includes perforated plate, sound absorbing material, damping plate and protecting panel in proper order from the center of noise source, perforated plate and protecting panel fixed connection and formation place the casing of sound absorbing material and damping plate, are equipped with a plurality of through-holes on the perforated plate.
Has the advantages that: when the scheme is adopted, after a noise source generates noise, the noise needs to pass through the perforated plate and enter the sound-absorbing material, the sound-absorbing material can play a good sound-absorbing effect on the noise, so that the volume of the noise is greatly reduced, the noise with the reduced sound continuously passes through the damping plate, and the damping plate is high in density, strength and rigidity and can play a role in buffering, shock resistance and sound insulation; when the sound is transmitted to the protective panel, the protective panel can effectively block low-frequency, medium-frequency and high-frequency noises, namely, the noise of a noise source is blocked from the outside, so that the noise is prevented from being continuously diffused outwards; this scheme is compared in prior art, with the noise source cover in multilayer structure sound insulation shell, through the multilayer structure that perforated plate, sound absorbing material, damping plate and protecting panel formed, absorbs and the separation the noise that the noise source produced, and then realizes carrying out the sound insulation and falling the noise from the source of noise source, further improves the sound insulation and falls the degree of making an uproar.
Furthermore, the side plates are provided with clamping grooves for supporting silencing cusps in the silencing and sound-insulating device; the installation of noise elimination cusp is convenient.
Furthermore, a plurality of through holes of the perforated plate are in a honeycomb shape; the sound attenuation of the perforated plate to a noise source is improved.
Further, the perforated plate is made of metal materials; the metal material has high density, better sound blocking effect and is beneficial to improving the sound attenuation of the perforated plate to a noise source.
Furthermore, the protective panel is made of metal panels, and the metal materials are high in density and beneficial to sound insulation.
Further, the sound absorbing material comprises centrifugal glass wool.
Has the advantages that: the fibers in the centrifugal glass wool are fluffy and staggered, a large number of tiny pores exist, and the sound absorption characteristic is good.
Further, the outer surface of the centrifugal glass wool is coated with glass cloth; the glass cloth plays a role in protecting the centrifugal glass wool, and the glass cloth and the centrifugal glass wool are conveniently integrally arranged in the shell.
Further, the top of the cover body is provided with a rain-proof cap capable of covering the cover body.
Has the advantages that: the rain-proof cap is covered on the cover body, on one hand, the rain-proof cap guides the wind coming out of the cover body, prolongs the air flowing path and increases the sound attenuation; on the other hand, the rain-proof cap covers the cover body, and the air conditioner external unit is located in the cover body, so that the situation that the air conditioner external unit is directly exposed to wind, sunlight and rain is avoided, and the service life of the air conditioner external unit is prolonged.
Further, be equipped with the opening on the curb plate, can dismantle on the curb plate and be connected with the access door, the access door can the shutoff opening.
Has the advantages that: the access door can be dismantled and connect on the cover body, then when needs maintain the equipment that produces the noise source, can dismantle the access door to in the maintenance to equipment.
Drawings
Fig. 1 is an isometric view of a first embodiment of the present invention;
3 FIG. 3 2 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 1 3 according 3 to 3 a 3 first 3 embodiment 3 of 3 the 3 present 3 invention 3; 3
Fig. 3 is a cross-sectional view of a front side plate of fig. 1 in accordance with an embodiment of the present invention;
fig. 4 is an isometric view of a second embodiment of the present invention;
fig. 5 is an axonometric view of the third embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the cover comprises a cover body 1, a left side plate 11, a clamping groove 12, a right side plate 18, a front side plate 19, a protective panel 13, a damping plate 14, centrifugal glass wool 15, glass cloth 16, a perforated plate 17, an access door 2, a wall body 10, an outer unit support 30, an air conditioner outer unit 40 and a rain-proof cap 20.
Example one
An embodiment substantially as described in figures 1 to 3 of the accompanying drawings:
the sound insulation shell with the multilayer structure comprises a cover body 1 covering an air conditioner outdoor unit 40, wherein the cover body 1 comprises three side plates, the three side plates are a left side plate 11, a right side plate 18 and a front side plate 19 respectively, the two adjacent side plates are welded together, support lugs are welded on the left side plate 11 and the right side plate 18, expansion screws penetrating into a wall body 10 are fixedly connected to the support lugs, and the three side plates are enclosed to form a U shape; the three side plates and the wall 10 for mounting the air conditioner outdoor unit 40 enclose the air conditioner outdoor unit 40, and the side plate close to the noise source mounting object is fixedly connected to the noise source mounting object.
The left side plate 11 and the right side plate 18 are provided with clamping grooves 12 for supporting a silencing spike in a silencing and sound-insulating device.
The left side plate 11, the right side plate 18 and the front side plate 19 are identical in structure, the left side plate 11, the right side plate 18 and the front side plate 19 sequentially comprise a perforated plate 17, sound-absorbing materials, a damping plate 14 and a protective panel 13 from the center of an air conditioner outdoor unit 40 to the outside, the perforated plate 17 is welded with the protective panel 13, the perforated plate 17 and the protective panel 13 form a shell for placing the sound-absorbing materials and the damping plate 14 together, and the perforated plate 17 is provided with a plurality of through holes which are honeycomb-shaped; the perforated plate 17 and the protective panel 13 are both made of metal materials; the sound absorbing material comprises centrifugal glass wool 15, the outer surface of the centrifugal glass wool 15 is coated with glass cloth 16, and a damping plate 14 is adhered to the inner side of the protective panel 13.
The specific implementation process is as follows:
the air conditioner outdoor unit 40 is fixedly supported by the outdoor unit bracket 30 (the outdoor unit bracket 30 is fixed on the wall 10 of the building by expansion screws), and the air conditioner outdoor unit 40 is enclosed by the multi-layer structure shell and the wall 10 on which the air conditioner outdoor unit 40 is mounted, so that the noise generated by the air conditioner outdoor unit 40 is blocked, and the purposes of sound insulation and noise reduction are achieved; meanwhile, after the air conditioner external unit 40 generates noise, the noise needs to pass through the perforated plate 17 and enter the centrifugal glass wool 15, the centrifugal glass wool 15 can play a good sound absorption effect on the noise, so that the volume of the noise is greatly reduced, the noise with the reduced sound continuously passes through the damping plate 14, and the damping plate 14 is high in density, strength and rigidity and can play a role in buffering, shock resistance and sound insulation; when sound is transmitted to the protective panel 13, the protective panel 13 can effectively block low-frequency, medium-frequency and high-frequency noise, which is equivalent to blocking the noise of a noise source from the outside, and avoiding the noise from continuously diffusing outwards.
Meanwhile, the left side plate 11 and the right side plate 18 of the multi-layer structure casing are fixed on the wall body 10, and the left side plate 11 and the right side plate 18 form a support for the whole multi-layer structure casing, so that the multi-layer structure casing does not need to be installed on the air conditioner outdoor unit 40, and the installation stability of the air conditioner outdoor unit 40 is not influenced when the sound insulation and noise reduction are carried out on the air conditioner outdoor unit 40.
Example two
The second embodiment is basically as shown in fig. 4, and the second embodiment is improved on the basis of the first embodiment, and specifically comprises the following steps: the opening has been seted up on the preceding curb plate 19 of the cover body 1, through screw fixedly connected with access door 2 on the cover body 1, access door 2 can cover the opening.
When the air conditioner outdoor unit 40 needs to be maintained, the air conditioner outdoor unit 40 can be maintained only by detaching the access door 2, the whole air conditioner outdoor unit is not required to be detached from the noise elimination and sound insulation device, and the maintenance convenience is guaranteed.
In the second embodiment, the access door 2 is mounted on the front side plate 19, so as to facilitate the maintenance of the air conditioner external unit 40, and meanwhile, the access door 2 may also be mounted on the left side plate 11 or the right side plate 18, so as to further facilitate the maintenance of the air conditioner external unit 40, and this structure is the same as that of the access door 2 mounted on the front side plate 19, and therefore, the description is omitted here.
EXAMPLE III
With reference to fig. 5, the third embodiment is improved based on the second embodiment as follows: the top of the cover body 1 is provided with a rain hat 20 capable of covering the cover body 1, and the rain hat 20 is fixed on a wall body 10 provided with an air conditioner external unit 40 through screws.
The rain hat 20 covers the cover body 1, on one hand, the rain hat guides the wind coming out of the cover body 1, prolongs the air flowing path and increases the sound attenuation; on the other hand, the rain hat 20 covers the cover body 1, and the air conditioner external unit 40 is located in the cover body 1, so that the situation that the air conditioner external unit 40 is directly exposed to wind, sunlight and rain is avoided, and the service life of the air conditioner external unit 40 is prolonged.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. Multilayer structure sound insulation shell, including the cover body of cover on the source of noise, its characterized in that: the cover body comprises at least three side plates, the side plates and the wall body for mounting the noise source enclose the noise source, adjacent side plates are fixedly connected, and the side plate close to the noise source mounting wall body is fixedly connected to the wall body for mounting the noise source.
2. The sound-insulating enclosure of multilayer structure according to claim 1, characterized in that: the curb plate outwards includes perforated plate, acoustic material, damping plate and dado from the center of noise source in proper order, perforated plate and dado fixed connection and form the casing of placing acoustic material and damping plate, are equipped with a plurality of through-holes on the perforated plate.
3. The sound-insulating enclosure of multilayer structure according to claim 1, characterized in that: and the side plates are provided with clamping grooves for supporting the silencing cusps in the silencing and sound-insulating device.
4. The sound-insulating enclosure of multilayer structure according to claim 2, characterized in that: the plurality of through holes of the perforated plate are honeycomb-shaped.
5. The sound-insulating enclosure of multilayer structure according to claim 2, characterized in that: the perforated plate is made of metal materials.
6. The sound-insulating enclosure of multilayer structure according to claim 2, characterized in that: the protective panel is a metal panel.
7. The sound-insulating enclosure of multilayer structure according to claim 2, characterized in that: the sound absorbing material comprises centrifugal glass wool.
8. The sound-insulating enclosure of multilayer structure according to claim 7, characterized in that: the outer surface of the centrifugal glass wool is coated with glass cloth.
9. The sound-insulating enclosure of multilayer structure according to claim 1, characterized in that: the top of the cover body is provided with a rain-proof cap capable of covering the cover body.
10. The sound-insulating enclosure of multilayer structure according to claim 1, characterized in that: be equipped with the opening on the curb plate, can dismantle on the curb plate and be connected with the access door, the access door can the shutoff opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020134661.4U CN212032638U (en) | 2020-01-20 | 2020-01-20 | Sound insulation shell with multilayer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020134661.4U CN212032638U (en) | 2020-01-20 | 2020-01-20 | Sound insulation shell with multilayer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212032638U true CN212032638U (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020134661.4U Active CN212032638U (en) | 2020-01-20 | 2020-01-20 | Sound insulation shell with multilayer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212032638U (en) |
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2020
- 2020-01-20 CN CN202020134661.4U patent/CN212032638U/en active Active
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