CN213330173U - Sound insulation cover - Google Patents
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- CN213330173U CN213330173U CN202021136525.5U CN202021136525U CN213330173U CN 213330173 U CN213330173 U CN 213330173U CN 202021136525 U CN202021136525 U CN 202021136525U CN 213330173 U CN213330173 U CN 213330173U
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Abstract
The utility model relates to a sound insulation equipment technical field provides an acoustic enclosure, include: an acoustic enclosure frame; the sound insulation cover comprises a first sound insulation cover body and a second sound insulation cover body, the top of the sound insulation cover frame is provided with the second sound insulation cover body, and the periphery of the sound insulation cover frame is provided with the first sound insulation cover body and the second sound insulation cover body; the vibration isolator is arranged at the bottom of the sound insulation cover frame; wherein, the first sound insulation cover body is provided with a sound absorption structure, and the second sound insulation cover body is provided with a ventilation and heat dissipation hole. The utility model provides a sound insulation cover locates the mounted position and the distribution area of the first sound insulation cover plate and the second sound insulation cover plate of sound insulation cover week side through the adjustment, can realize good noise elimination and natural draft heat-sinking capability, has effectively solved the technical problem to middle and small noise equipment sound insulation cover design complicacy, with high costs, the unable effective control of noise emission, and product overall structure is comparatively simple, and manufacturing cost is lower, is convenient for install and maintain.
Description
Technical Field
The utility model relates to a sound insulation equipment technical field especially relates to a sound insulation cover.
Background
At present, most of noise equipment generates heat continuously in the operation process, and ventilation and heat dissipation become necessary requirements for safe operation of the equipment. In order to solve the problem of ventilation and heat dissipation, people adopt a method for installing an independent silencing and ventilating system on a closed sound-proof cover, so that the ventilation and heat dissipation functions of the sound-proof cover are realized, for large-sized high-noise equipment, the sound-proof cover is large in size, complex in structure and high in cost, the design and cost of the whole sound-proof cover system are not greatly influenced by the installation of the independent silencing and ventilating system, but for small and medium-sized equipment, the noise value is not particularly high, at the moment, the complexity and the cost of the sound-proof cover are greatly improved by installing the independent silencing and ventilating system, the convenience degree of installation and maintenance of the sound-proof cover is also seriously influenced, so that a large amount of small and medium-sized equipment abandons.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a sound insulation cover need not extra installation machinery or independent noise elimination ventilation system, locate the mounted position and the distribution area of the first sound insulation cover plate and the second sound insulation cover plate of sound insulation cover week side through the adjustment, can realize good noise elimination and natural draft heat-sinking capability, and simultaneously, set up in the vibration isolator of the bottom of sound insulation cover and can effectively separate equipment self vibration through transmitting to the sound insulation cover body from ground again, it is complicated effectively to have solved the design of medium and small noise equipment sound insulation cover, and the size is big, problem with high costs, make its noise emission obtain effective control, and product overall structure is comparatively simple, and low in production cost, be convenient for installation and maintenance.
The utility model provides an acoustic shield, include: an acoustic enclosure frame; the sound insulation cover body comprises a first sound insulation cover body and a second sound insulation cover body, the second sound insulation cover body is arranged at the top of the sound insulation cover frame, and the first sound insulation cover body and the second sound insulation cover body are arranged on the periphery of the sound insulation cover frame; the vibration isolator is arranged at the bottom of the sound insulation cover frame; the first sound insulation cover body is provided with a sound absorption structure, and the second sound insulation cover body is provided with a ventilation and heat dissipation hole.
The utility model provides a sound insulation cover, including sound insulation cover frame, the sound insulation cover body and vibration isolator. Set up the second sound insulation cover body through the top at the sound proof cover frame, week side distribution at the sound proof cover frame sets up first sound insulation cover body and second sound insulation cover body, set up the vibration isolator in the bottom of sound proof cover frame, because first sound insulation cover body is equipped with sound absorbing structure, the effect that has the noise absorption, second sound insulation cover body is equipped with ventilation louvre, the heat that noise equipment produced can be followed the second sound insulation cover body of setting at the top of sound proof cover frame and discharged, can also follow the second sound insulation cover body of setting in sound proof cover week side and discharge, thereby make the sound proof cover be formed with distributed natural ventilation cooling system, need not additionally to install machinery or independent ventilation system noise elimination, through adjusting the mounted position and the distribution area of locating first sound insulation cover plate and second sound insulation cover plate week side of sound proof cover, can realize good natural ventilation cooling ability, and simultaneously, set up the vibration isolator in sound proof cover bottom can effectively separate noise equipment self vibration through ground transmission to sound insulation cover, the sound insulation Thereby the cover arouses the vibration of the cover body, has effectively solved the sound insulation cover of medium and small noise equipment and has additionally set up the problem that the structure is complicated, the size is big, the cost is high that the ventilation cooling system leads to, makes the noise emission of medium and small equipment obtain effective control, and product overall structure is comparatively simple, and manufacturing cost is lower, is convenient for install and maintain.
According to the utility model discloses an embodiment, first sound insulation cover body includes the compound sound insulation board of multilayer, and is multilayer be equipped with between the compound sound insulation board sound absorption structure, and be located the inboard of sound insulation cover be equipped with the through-hole on the compound sound insulation board.
The first sound insulation cover body comprises a plurality of layers of composite sound insulation plates, the noise capacity generated by the noise equipment can be blocked by the composite sound insulation plates to reflect in the sound insulation cover, a sound absorption structure is arranged between the plurality of layers of composite sound insulation plates, and through holes are formed in the composite sound insulation plates in the sound insulation cover, so that the noise generated by the noise equipment in the sound insulation cover can be absorbed by the sound absorption structure through the through holes, the noise is attenuated continuously, and the whole noise radiation energy of the equipment is effectively reduced.
According to an embodiment of the present invention, the first sound-proof cover body includes a first sound-proof plate and a second sound-proof plate, the first sound-proof plate is located inside the sound-proof cover, the second sound-proof plate is located outside the sound-proof cover, and the sound-absorbing structure is disposed between the first sound-proof plate and the second sound-proof plate; the first sound insulation plate is a perforated plate, and the second sound insulation plate is a metal plate or a plastic plate.
The first sound insulation cover body comprises a first sound insulation plate and a second sound insulation plate, wherein the first sound insulation plate is a perforated plate arranged on the inner side of the sound insulation cover (namely one surface of the first sound insulation plate is positioned in the sound insulation cover, and the other corresponding surface faces the second sound insulation plate), the perforated plate can enable noise to enter a rear sound absorption structure through perforation, the inner sound absorption structure is protected, and the service life of a product is prolonged, and the attractiveness of the product is improved. The second sound insulation board is a metal board or a plastic board which is positioned at the outer side of the sound insulation cover (namely, one surface of the second sound insulation board faces the first sound insulation board, and the other corresponding surface is positioned outside the sound insulation cover), so that the outward transmission of noise is effectively blocked. Through set up sound absorbing structure between first sound insulation board and second sound insulation board, the noise is by the decay sound absorption by a wide margin in sound absorbing structure, has further improved the noise insulation and the noise reduction effect of product. Wherein the perforated plate has a perforation rate greater than 16%.
In some embodiments, the sound absorbing structure comprises glass wool or foam.
The glass wool is a material which is formed by fiberizing molten glass into a cotton shape and has the properties of easy molding, small volume density, low heat conductivity, heat insulation, good sound absorption performance, corrosion resistance and stable chemical performance, thereby not only being beneficial to improving the service life of the product, but also ensuring the sound absorption and noise reduction effects of the product.
The foam has good sound absorption effect, has the performances of low price, heat resistance, convenient use, easy bending and the like, is convenient to install and is beneficial to reducing the production cost of products.
According to the utility model discloses an embodiment, the second sound insulation cover body includes multilayer ventilation sound insulation board, be equipped with on the ventilation sound insulation board ventilation louvre, multilayer be equipped with sound-attenuating structure, and multilayer between the ventilation sound insulation board be equipped with between the ventilation sound insulation board and be used for the intercommunication the passageway of the inside and outside both sides of sound insulation cover.
The second sound-proof cover body includes the multilayer ventilation sound-proof board, through set up the ventilation louvre on the ventilation sound-proof board, through set up noise-attenuating structure (like miniature silencer, muffler pipe or muffler board etc.) between the multilayer ventilation louvre, and set up the passageway that is used for the inside and outside both sides of intercommunication sound-proof cover between the multilayer ventilation sound-proof board (even if the ventilation louvre that gets to be located on the ventilation sound-proof board of sound-proof cover inboard can communicate with the ventilation louvre on the sound-proof board in the sound-proof cover outside), make the second sound-proof cover body not only can realize ventilation cooling's effect, can play the effect of making an uproar and falling again, effectively reduce the propagation of noise.
According to an embodiment of the present invention, the second sound-proof cover body comprises a third sound-proof plate and a fourth sound-proof plate, and the third sound-proof plate and the fourth sound-proof plate are both provided with ventilation and heat dissipation holes; and a silencing structure is arranged between the third sound insulation plate and the fourth sound insulation plate, and a channel communicated with the inner side and the outer side of the sound insulation cover is arranged between the third sound insulation plate and the fourth sound insulation plate.
The second sound insulation cover body comprises a third sound insulation plate and a fourth sound insulation plate which are provided with ventilation and heat dissipation holes, so that the structure of the product is simplified, and the production cost of the product is reduced. The third sound insulation plate and the fourth sound insulation plate are provided with the silencing structure, and a channel for communicating the inner side and the outer side of the sound insulation cover is arranged between the third sound insulation plate and the fourth sound insulation plate (namely, the ventilation and heat dissipation holes in the third sound insulation plate on the inner side of the sound insulation cover can be communicated with the ventilation and heat dissipation holes in the fourth sound insulation plate), so that the effects of silencing and reducing noise are achieved while the ventilation and heat dissipation effects are achieved.
In some embodiments, the first sound-proof cover body is provided on an upper portion of the peripheral side of the sound-proof cover frame, and the second sound-proof cover body is provided on a lower portion of the peripheral side of the sound-proof cover frame and is connected to the first sound-proof cover plate.
According to the rising principle of hot gas, hot gas can flow upwards, through setting up the second sound insulation cover body in the lower part of week side of sound insulation cover frame, make the cold air current can get into the sound insulation cover through the second sound insulation cover in, the heat that equipment operation in-process produced, can constantly heat the cold air that gets into the sound insulation cover through the second sound insulation cover body that sets up in the lower part of week side of sound insulation cover frame, make its temperature rise, density reduces, and carry the heat and rise to the top of sound insulation cover, and discharge outside the sound insulation cover through the ventilation louvre that sets up on the second sound insulation cover body at top, thereby form natural convection, the cooling arrangement lasts, realize the natural ventilation heat dissipation of equipment in the sound insulation cover.
According to the utility model discloses a further embodiment, the sound proof cover still includes: the inspection channel comprises an inspection door arranged on the sound insulation cover body, and the inspection door comprises a plurality of layers of composite sound insulation boards, as shown in figure 1.
The sound insulation cover further comprises an access passage, the access passage comprises an access door arranged on the sound insulation cover body, and the access door also comprises a multilayer composite sound insulation plate, so that equipment can be guaranteed to be accessed in the sound insulation cover through the access door, and noise can be prevented from being spread out of the sound insulation cover from the access door.
According to the utility model discloses an embodiment, access way sets up on the sound insulation cover body of the week side of sound insulation cover frame, and the maintainer of being convenient for passes in and out. Of course, the sound insulation cover can also be arranged at the top of the sound insulation cover, so that a maintainer can enter the sound insulation cover from the top of the sound insulation cover to overhaul the equipment.
In some embodiments, the vibration isolator comprises a rubber cushion layer or a polyurethane elastomer; the thickness of the vibration isolator is not less than 20 mm.
The vibration isolation pad comprises a rubber cushion layer or a polyurethane elastomer, wherein the rubber cushion layer or the polyurethane elastomer has the characteristics of vibration isolation, damping, sound absorption, compression resistance, wear resistance and the like, the equipment vibration is blocked and is transmitted to the cover body structure through the ground, and other noise radiation caused by the vibration of the cover body is avoided. Sound absorption
When the thickness of vibration isolator is less than 20mm, be difficult to realize better vibration isolation sound absorption effect, consequently set up the thickness of vibration isolator to be not less than 20mm, help improving the vibration isolation sound absorption effect of product.
In some embodiments, the sound-insulating enclosure has a thickness in the range of 30mm to 120 mm.
When the thickness of the sound insulation cover body is smaller than 30mm, the strength of the sound insulation cover body is lower, the sound insulation effect is poor, when the thickness of the sound insulation cover body is larger than 120mm, the production cost of a product is higher, the weight is larger, the sound insulation cover body is not easy to install, therefore, the thickness of the sound insulation cover body is in the range of 30 mm-120 mm, the requirements of sound insulation and noise reduction can be met, the strength requirement is met, the production cost of the product is reduced, and the installation of the product is facilitated.
The utility model provides a sound insulation cover, need not additionally to install machinery or independent noise elimination ventilation system, locate the mounted position and the distribution area of first sound insulation cover plate and second sound insulation cover plate of sound insulation cover week side through the adjustment, can realize good noise elimination and natural draft heat-sinking capability, and simultaneously, set up in the vibration isolator of the bottom of sound insulation cover and can effectively separate equipment self vibration again through transmitting to the sound insulation cover body from the ground, it is complicated effectively to have solved the design of medium and small noise equipment sound insulation cover, the size is big, problem with high costs, make its noise emission obtain effective control, and product overall structure is comparatively simple, and low in production cost, be convenient for install and maintain.
Drawings
Fig. 1 is a schematic structural diagram of an acoustic enclosure according to an embodiment of the present invention.
The reference numbers illustrate:
1. a sound insulating cover; 10. an acoustic enclosure frame; 20. a sound insulation cover body; 201. a first sound-insulating cover body; 202. a second sound-insulating cover body; 2021. ventilating and radiating holes; 30. vibration isolator, 40, access door.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1, the utility model provides an acoustic shield 1, include: a sound-proof cover frame 10; the sound insulation cover body 20 comprises a first sound insulation cover body 201 and a second sound insulation cover body 202, the top of the sound insulation cover frame 10 is provided with the second sound insulation cover body 202, and the periphery of the sound insulation cover frame 10 is provided with the first sound insulation cover body 201 and the second sound insulation cover body 202; a vibration isolator 30, the vibration isolator 30 being disposed at the bottom of the sound-proof cover frame 10; wherein, the first sound-proof cover body 201 is provided with a sound-absorbing structure (not shown in the figure), and the second sound-proof cover body 202 is provided with a ventilation and heat dissipation hole 2021.
The utility model provides a sound insulation cover 1, including sound insulation cover frame 10, sound insulation cover body 20 and vibration isolator 30. The second sound insulation cover body 202 is arranged at the top of the sound insulation cover frame 10, the first sound insulation cover body 201 and the second sound insulation cover body 202 are distributed at the periphery of the sound insulation cover frame 10, the vibration isolation pad 30 is arranged at the bottom of the sound insulation cover frame 10, the first sound insulation cover body 201 is provided with a sound absorption structure and has the function of absorbing noise, the second sound insulation cover body 202 is provided with a ventilation and heat dissipation hole 2021, heat generated by noise equipment can be discharged from the second sound insulation cover body 202 arranged at the top of the sound insulation cover frame 10 and can also be discharged from the second sound insulation cover body 202 arranged at the periphery of the sound insulation cover 1, so that the sound insulation cover 1 is formed with a distributed natural ventilation and heat dissipation system, additional machinery or an independent noise elimination and ventilation system is not required, and good natural ventilation and heat dissipation capacity can be realized by adjusting the installation positions and the distribution areas of the first sound insulation cover body 201 and the second sound insulation cover body 202 arranged at the periphery of the, meanwhile, the vibration isolator 30 arranged at the bottom of the sound insulation cover 1 can effectively prevent the vibration of the noise equipment from being transmitted to the sound insulation cover through the ground, so that the vibration of the cover body is caused, the problems of complex structure, large size, high cost and the like caused by the fact that a ventilation and heat dissipation system is additionally arranged on the sound insulation cover of the medium and small noise equipment are effectively solved, the noise emission of the medium and small equipment is effectively controlled, the whole structure of a product is simple, the production cost is low, and the installation and maintenance are convenient.
According to the utility model discloses an embodiment, first sound insulation cover body 201 includes the compound sound insulation board of multilayer, is equipped with sound absorbing structure between the compound sound insulation board of multilayer, and is located and is equipped with the through-hole on the compound sound insulation board of the inboard of sound insulation cover 1.
First sound-proof cover body 201 includes the compound sound-proof board of multilayer, and the noise capacity that noise equipment produced can be blockked at sound-proof cover 1 internal reflection by compound sound-proof board, through set up sound absorbing structure between the compound sound-proof board of multilayer to set up the through-hole on the compound sound-proof board that lies in sound-proof cover 1, make the noise that noise equipment in sound-proof cover 1 produced can be absorbed by sound absorbing structure through the through-hole, so that the continuous decay of noise, thereby effectively reduce the whole noise radiant energy of equipment.
According to an embodiment of the present invention, the first sound-proof cover body 201 includes a first sound-proof plate and a second sound-proof plate, the first sound-proof plate is located inside the sound-proof cover 1, the second sound-proof plate is located outside the sound-proof cover 1, and a sound-absorbing structure is disposed between the first sound-proof plate and the second sound-proof plate; wherein, the first sound insulation board is a perforated board, and the second sound insulation board is a metal plate or a plastic plate.
The first sound insulation cover body 201 comprises a first sound insulation plate and a second sound insulation plate, wherein the first sound insulation plate is a perforated plate arranged on the inner side of the sound insulation cover 1 (namely one surface of the first sound insulation plate is positioned in the sound insulation cover 1, and the other corresponding surface faces the second sound insulation plate), the perforated plate can enable noise to enter a rear sound absorption structure through perforation, the inner sound absorption structure is protected, and the service life of a product is prolonged, and the attractiveness of the product is improved. The second sound insulation board is a metal board or a plastic board which is positioned at the outer side of the sound insulation cover 1 (namely, one surface of the second sound insulation board faces the first sound insulation board, and the other corresponding surface is positioned outside the sound insulation cover 1), and the outward transmission of noise is effectively blocked. Through set up sound absorbing structure between first sound insulation board and second sound insulation board, the noise is attenuated by a wide margin in sound absorbing structure, has further improved the noise insulation and the noise reduction effect of product. Wherein the perforated plate has a perforation rate greater than 16%.
In some embodiments, the sound absorbing structure comprises glass wool or foam.
The glass wool is a material which is formed by fiberizing molten glass into a cotton shape and has the properties of easy molding, small volume density, low heat conductivity, heat insulation, good sound absorption performance, corrosion resistance and stable chemical performance, thereby not only being beneficial to improving the service life of the product, but also ensuring the sound absorption and noise reduction effects of the product.
The foam has good sound absorption effect, has the performances of low price, heat resistance, convenient use, easy bending and the like, is convenient to install and is beneficial to reducing the production cost of products.
According to the utility model discloses an embodiment, second sound insulation cover body 202 includes the multilayer ventilation sound-proof board, is equipped with ventilation louvre 2021 on the ventilation sound-proof board, is equipped with sound-attenuating structure between the multilayer ventilation sound-proof board, and is equipped with the passageway that is used for the inside and outside both sides of intercommunication sound-proof cover 1 between the multilayer ventilation sound-proof board.
The second sound-proof cover body 202 includes the multilayer ventilation sound-proof board, through set up ventilation louvre 2021 on the ventilation sound-proof board, through set up noise-eliminating structure (like miniature silencer, muffler pipe or muffler board etc.) between multilayer ventilation louvre 2021, and set up the passageway that is used for communicateing the inside and outside both sides of sound-proof cover 1 between the multilayer ventilation sound-proof board (even so that the ventilation louvre 2021 that is located on the ventilation sound-proof board of sound-proof cover 1 inboard can communicate with the ventilation louvre 2021 on the sound-proof board of the sound-proof cover 1 outside), make the second sound-proof cover body 202 not only can realize the radiating effect of ventilation, can play the effect of making an uproar and making an uproar again, effectively reduce the propagation of noise.
According to an embodiment of the present invention, the second sound-proof cover 202 includes a third sound-proof plate and a fourth sound-proof plate, and the third sound-proof plate and the fourth sound-proof plate are both provided with ventilation holes 2021; wherein, a silencing structure is arranged between the third sound-proof plate and the fourth sound-proof plate, and a channel which is communicated with the inner side and the outer side of the sound-proof cover 1 is arranged between the third sound-proof plate and the fourth sound-proof plate.
The second sound insulation cover body 202 comprises a third sound insulation plate and a fourth sound insulation plate which are provided with ventilation and heat dissipation holes 2021, so that the structure of the product is simplified, and the production cost of the product is reduced. The third sound insulation plate and the fourth sound insulation plate are provided with the silencing structure, and a channel communicated with the inner side and the outer side of the sound insulation cover 1 is arranged between the third sound insulation plate and the fourth sound insulation plate (namely, the ventilation and heat dissipation holes 2021 on the third sound insulation plate on the inner side of the sound insulation cover 1 can be communicated with the ventilation and heat dissipation holes 2021 on the fourth sound insulation plate), so that the effects of ventilation, heat dissipation and noise reduction are achieved.
In some embodiments, a first sound-proof cover body 201 is provided on the upper portion of the peripheral side of the sound-proof cover frame 10, and a second sound-proof cover body 202 is provided on the lower portion of the peripheral side of the sound-proof cover frame 10 and connected to the first sound-proof cover body 201.
According to the rising principle of hot air, the hot air can flow upwards, the second sound insulation cover body 202 is arranged at the lower part of the periphery of the sound insulation cover frame 10, so that cold air flow can enter the sound insulation cover 1 through the second sound insulation cover 1, heat generated in the running process of the equipment can continuously heat cold air entering the sound insulation cover 1 through the second sound insulation cover body 202 arranged at the lower part of the periphery of the sound insulation cover frame 10, the temperature of the cold air is increased, the density of the cold air is reduced, the cold air is carried with the heat to float to the top of the sound insulation cover 1, the cold air is discharged out of the sound insulation cover 1 through a ventilation and heat dissipation hole 2021 arranged on the second sound insulation cover body 202 at the top, natural convection is formed, the equipment is cooled continuously, and natural ventilation and heat dissipation of the equipment in the sound insulation cover 1.
According to another embodiment of the present invention, the sound-proof cover 1 further includes: and the access passage comprises an access door 40 arranged on the sound insulation cover body 20, and the access door 40 comprises a plurality of layers of composite sound insulation boards.
The sound insulation cover 1 further comprises an access passage, the access passage comprises an access door 40 arranged on the sound insulation cover body 20, and the access door 40 also comprises a multilayer composite sound insulation plate, so that equipment can be guaranteed to be accessed into the sound insulation cover 1 through the access door 40, and noise can be prevented from being transmitted to the outside of the sound insulation cover 1 from the access door 40.
According to an embodiment of the present invention, the access passage is provided on the sound insulation cover body 20 on the peripheral side of the sound insulation cover frame 10, which facilitates the access of the maintainer. Of course, the sound insulation cover can also be arranged on the top of the sound insulation cover 1, so that a maintainer can enter the sound insulation cover 1 from the top of the sound insulation cover 1 to overhaul the equipment.
In some embodiments, the vibration isolator 30 comprises a rubber cushion layer or a polyurethane elastomer; the thickness of the vibration insulator 30 is not less than 20 mm.
The vibration isolation pad 30 comprises a rubber cushion layer or a polyurethane elastomer, the rubber cushion layer or the polyurethane elastomer has the characteristics of vibration isolation, damping, sound absorption, compression resistance, wear resistance and the like, the vibration of the equipment is blocked from being transmitted to the vibration isolation cover body structure through the ground, and other noise radiation caused by vibration of the vibration isolation cover body is avoided.
When the thickness of the vibration isolator 30 is less than 20mm, it is difficult to achieve a good vibration isolation and sound absorption effect, and thus the thickness of the vibration isolator 30 is set to be not less than 20mm, which is helpful to improve the vibration isolation and sound absorption effect of the product.
In some embodiments, the sound-insulating enclosure 20 has a thickness in the range of 30mm to 120 mm.
When the thickness of the sound insulation cover body 20 is smaller than 30mm, the strength of the sound insulation cover 1 is lower, the sound insulation effect is poor, when the thickness of the sound insulation cover body 20 is larger than 120mm, the production cost of the product is higher, the weight is larger, and the sound insulation cover body is not easy to install, so that the thickness of the sound insulation cover body 20 is in the range of 30 mm-120 mm, the requirements of sound insulation and noise reduction can be met, the strength requirement is met, the production cost of the product is reduced, and the product is convenient to install.
The utility model provides a sound insulation cover, need not additionally to install machinery or independent noise elimination ventilation system, locate the mounted position and the distribution area of first sound insulation cover plate and second sound insulation cover plate of sound insulation cover week side through the adjustment, can realize good noise elimination and natural draft heat-sinking capability, and simultaneously, set up in the vibration isolator of the bottom of sound insulation cover and can effectively separate equipment self vibration again through transmitting to the sound insulation cover body from ground, it is complicated effectively to have solved the design of medium and small noise equipment sound insulation cover, the size is big, problem with high costs, make its noise emission effective control, and product overall structure is comparatively simple, and low in production cost, be convenient for install and maintain.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An acoustic enclosure, comprising:
an acoustic enclosure frame;
the sound insulation cover body comprises a first sound insulation cover body and a second sound insulation cover body, the second sound insulation cover body is arranged at the top and the periphery of the sound insulation cover frame, and the first sound insulation cover body is arranged on the periphery of the sound insulation cover frame;
the vibration isolator is arranged at the bottom of the sound insulation cover frame;
the first sound insulation cover body is provided with a sound absorption structure, and the second sound insulation cover body is provided with a ventilation and heat dissipation hole.
2. The acoustic enclosure of claim 1,
the first sound insulation cover body comprises a plurality of layers of composite sound insulation plates, the sound absorption structures are arranged among the plurality of layers of composite sound insulation plates, and through holes are formed in the composite sound insulation plates and located on the inner side of the sound insulation cover.
3. The acoustic enclosure of claim 2,
the first sound insulation cover body comprises a first sound insulation plate and a second sound insulation plate, the first sound insulation plate is positioned on the inner side of the sound insulation cover, the second sound insulation plate is positioned on the outer side of the sound insulation cover, and the sound absorption structure is arranged between the first sound insulation plate and the second sound insulation plate;
the first sound insulation plate is a perforated plate, and the second sound insulation plate is a metal plate or a plastic plate.
4. The acoustic enclosure according to any one of claims 1 to 3,
the sound absorbing structure comprises glass wool or foam.
5. The acoustic enclosure according to any one of claims 1 to 3,
the second sound insulation cover body comprises a plurality of layers of ventilation sound insulation plates, the ventilation heat dissipation holes are formed in the ventilation sound insulation plates, the ventilation sound insulation plates are arranged in a multi-layer mode, a noise elimination structure is arranged between the ventilation sound insulation plates, and the ventilation sound insulation plates are arranged in a multi-layer mode, and channels used for communicating the inner side and the outer side of the sound insulation cover are arranged between the ventilation sound insulation plates.
6. The acoustic enclosure of claim 5,
the second sound insulation cover body comprises a third sound insulation plate and a fourth sound insulation plate, and ventilation and heat dissipation holes are formed in the third sound insulation plate and the fourth sound insulation plate;
and a silencing structure is arranged between the third sound insulation plate and the fourth sound insulation plate, and a channel communicated with the inner side and the outer side of the sound insulation cover is arranged between the third sound insulation plate and the fourth sound insulation plate.
7. The acoustic enclosure according to any one of claims 1 to 3,
the first sound insulation cover body is arranged on the upper portion of the peripheral side of the sound insulation cover frame, and the second sound insulation cover body is arranged on the lower portion of the peripheral side of the sound insulation cover frame and connected with the first sound insulation cover plate.
8. The acoustic enclosure according to any one of claims 1 to 3, further comprising:
the maintenance passageway, the maintenance passageway is including setting up access door on the sound insulation cover body, just access door includes the compound acoustic baffle of multilayer.
9. The acoustic enclosure according to any one of claims 1 to 3,
the vibration isolator comprises a rubber cushion layer or a polyurethane elastomer;
the thickness of the vibration isolator is not less than 20 mm.
10. The acoustic enclosure of claim 1,
the thickness of the sound insulation cover body is within the range of 30 mm-120 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021136525.5U CN213330173U (en) | 2020-06-18 | 2020-06-18 | Sound insulation cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114991327A (en) * | 2022-06-30 | 2022-09-02 | 中国矿业大学 | Sound insulation and noise reduction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114991327A (en) * | 2022-06-30 | 2022-09-02 | 中国矿业大学 | Sound insulation and noise reduction device |
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