CN210052518U - Amortization heat dissipation module, amortization heat dissipation unit and amortization heat dissipation cover - Google Patents
Amortization heat dissipation module, amortization heat dissipation unit and amortization heat dissipation cover Download PDFInfo
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- CN210052518U CN210052518U CN201920544753.7U CN201920544753U CN210052518U CN 210052518 U CN210052518 U CN 210052518U CN 201920544753 U CN201920544753 U CN 201920544753U CN 210052518 U CN210052518 U CN 210052518U
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Abstract
The utility model discloses an amortization heat dissipation module, amortization radiating element and amortization heat exchanger that dispels heat relates to muffler technical field. The existing acoustic metamaterial has a fragile structure and a narrow frequency range, does not have a ventilation and heat dissipation function, is not suitable for being used outdoors with severe environment, and is difficult to adopt a fully-closed design with high noise reduction. Amortization heat dissipation module body is platykurtic cavity rectangle cavity structures, seals the combination all around by last orifice plate and lower orifice plate and forms, go up the interval between orifice plate and the lower orifice plate, also be 10~250mm for thickness L, the through-hole diameter of going up the orifice plate is the same with the through-hole diameter of lower orifice plate and on same axis, and through-hole diameter D is 10~250mm, the utility model discloses can use in narrow space relatively to stable in structure also can use in the abominable open air of environment, can directly cover and sealing device, still has the heat dissipation function.
Description
Technical Field
A silencing and heat-dissipating module, a silencing and heat-dissipating unit and a silencing and heat-dissipating cover relate to the technical field of silencers.
Background
Although the invention of acoustic metamaterials, such as the U.S. patent publication No. US8579073B2, has improved low-frequency sound attenuation, the structures have high manufacturing cost, are fragile, narrow in frequency range, do not have ventilation and heat dissipation functions, and are not suitable for outdoor use in harsh environments. For those power equipment which generates low-frequency noise, especially has main and obvious single-frequency sound and needs heat dissipation, such as transformers, transformer substations, converter stations, converters, and the like, in the work, besides the need of heat dissipation, the radiation noise is fundamental frequency 50Hz or frequency multiplication 100Hz, which is the most main low-frequency radiation noise, and the totally-enclosed design with higher noise-dissipating volume is difficult to adopt, and the solution is urgently needed.
Disclosure of Invention
The utility model aims at developing a amortization heat dissipation module, amortization radiating element and amortization heat exchanger to solve the problem of mentioning in the above-mentioned background art.
The utility model discloses a following technical scheme realizes:
the utility model provides a amortization heat dissipation module, its is platykurtic cavity structures, seals the combination by last orifice plate and orifice plate down and forms all around, go up the interval between orifice plate and the orifice plate down, also thickness L is 10~250mm, the through-hole diameter of going up the orifice plate is the same with the through-hole diameter of orifice plate down and on same axis, and through-hole diameter D is 10~250 mm.
Further, the distance L between the upper orifice plate and the lower orifice plate is equal to the diameter D +/-5% of the through hole.
Further, the through hole of the upper orifice plate or the through hole of the lower orifice plate is located at the geometric center or the non-geometric center of the upper orifice plate or the lower orifice plate.
Further, the number of the through holes of the upper orifice plate or the through holes of the lower orifice plate is one or more.
Further, when the number of the through holes of the upper orifice plate or the through holes of the lower orifice plate is multiple, the diameters of the through holes are the same or different, and one of the through holes is positioned on the geometric center of the upper orifice plate or the lower orifice plate or both the through holes are positioned on the non-geometric center.
Further, when the number of the through holes is multiple, A1/A0 is less than 14%, wherein A1 is the total area of the through holes, and A0 is the surface area of the flat hollow rectangular cavity structure formed by the upper orifice plate and the lower orifice plate.
The utility model provides a amortization radiating element, includes a amortization radiating module at least, when amortization radiating module quantity is a plurality of, superpose from top to bottom a plurality of amortization radiating modules, the through-hole correspondence of the amortization radiating module who superposes from top to bottom link up.
Furthermore, the silencing and heat dissipating modules are stacked up and down to form a double-layer structure, the peripheral size of the upper silencing and heat dissipating module is smaller than that of the lower silencing and heat dissipating module, and the through holes of the upper silencing and heat dissipating module and the lower silencing and heat dissipating module are correspondingly the same.
A noise reduction and heat dissipation cover comprises a plurality of noise reduction and heat dissipation units which are connected with each other to form a cover-shaped structure.
A silencing and heat-dissipating cover comprises a plurality of silencing and heat-dissipating modules and/or a plurality of silencing and heat-dissipating units which are connected with each other to form a cover-shaped structure.
The utility model has the advantages that:
the utility model discloses can use in narrow space relatively to stable in structure also can use in the abominable open air of environment, can directly cover and sealing device, except having the heat dissipation function, with far below the sound wave wavelength, silencing device can have higher noise elimination volume under extremely thin thickness to the low frequency noise as if 50Hz or 100Hz are given first place to, can expand the frequency range of amortization through adjusting the through-hole rate, and the straight line design of passageway also makes the utility model discloses still have ultralow loss of pressure's characteristic.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a structural view of example 1;
FIG. 2 is a structural view of embodiment 2;
FIG. 3 is a structural view of embodiment 3;
FIG. 4 is a structural view of embodiment 4;
FIG. 5 is a graph of experimental data;
reference numerals: 1. a noise reduction and heat dissipation module body; 2. a channel; 3. a silencing and heat dissipating unit body; l, thickness; D. diameter.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, this embodiment discloses a amortization heat dissipation module, including amortization heat dissipation module body 1, amortization heat dissipation module body 1 includes orifice plate and lower orifice plate, be equipped with the through-hole on going up orifice plate and the lower orifice plate respectively, go up orifice plate and lower orifice plate and seal all around, constitute a cuboid cavity structure.
Specifically, the size and specification of the upper orifice plate and the lower orifice plate of the silencing and heat-radiating module body 1 are the same, the upper orifice plate and the lower orifice plate are rectangular plates, the distance between the upper orifice plate and the lower orifice plate, namely the thickness L of the silencing and radiating module body 1 is 10 mm-250 mm, the peripheries of the upper orifice plate and the lower orifice plate are closed, a cavity is formed between the upper orifice plate and the lower orifice plate, the silencing and heat dissipating module body 1 is provided with a channel 2 penetrating through the silencing and heat dissipating module body 1, the channel 2 comprises through holes respectively arranged at the same positions on the upper orifice plate and the lower orifice plate, the through holes are circular, the diameter of each through hole is the same, the diameter D of each through hole is 10-250 mm, preferably, L is D +/-5%, the channel 2 is arranged at the center of the silencing and radiating module body 1, namely through holes in the upper orifice plate and the lower orifice plate are respectively arranged at the center of the orifice plates. The surface area of any silencing and heat-dissipating module body 1 is A0, and the total area of all through holes on any silencing and heat-dissipating module body 1 is A1, so that the through hole rate is A1/A0 is less than 14%.
Example 2
As shown in fig. 2, this embodiment discloses a silencing and heat dissipating unit, including silencing and heat dissipating unit body 3, silencing and heat dissipating unit body 3 includes at least one silencing and heat dissipating module body 1 in "embodiment 1", and this embodiment silencing and heat dissipating unit body 3 is composed of two silencing and heat dissipating module bodies 1, silencing and heat dissipating unit body 3 is formed by overlapping silencing and heat dissipating module bodies 1, two connecting lines at the center of silencing and heat dissipating module body 1 are perpendicular to silencing and heat dissipating unit body 3, and two sizes of passages 2 of silencing and heat dissipating module body 1 are the same, so that passages 2 of two silencing and heat dissipating module bodies 1 are on the same axis, and the silencing and heat dissipating are facilitated for equipment. The sizes of the two silencing and heat-dissipating module bodies 1 can be the same or different, and the values of different silencing and heat-dissipating module bodies 1A1/10 in one silencing and heat-dissipating unit body 3 can be adjusted, i.e. the through hole rate of the silencing and heat-dissipating module body 1 is changed, so that the silencing frequency range is expanded.
Example 3
As shown in fig. 3, the present embodiment is different from embodiment 2 in that: in this embodiment, three passages 2 are provided in the module body 1, the diameters of the three passages 2 may be the same or different, and the three passages 2 are irregularly arranged on the module body 1; the silencing and heat dissipating unit body 3 of this embodiment is composed of three silencing and heat dissipating module bodies 1, the connecting line at the centers of the three silencing and heat dissipating module bodies 1 is perpendicular to the silencing and heat dissipating unit body 3, the three silencing and heat dissipating module bodies 1 may be the same or different in size, when the three silencing and heat dissipating module bodies 1 are different in size, the silencing and heat dissipating module body 1 with the middle size is located in the middle of the silencing and heat dissipating module body 1 with the larger size and the silencing and heat dissipating module body 1 with the smaller size, in the three silencing and heat dissipating module bodies 1, the positional relationship between the three passages 2 on any one silencing and heat dissipating module body 1 is the same, that is, when the three silencing and heat dissipating module bodies 1 are superposed, the three passages 2 on the middle silencing and heat dissipating module body 1 are respectively coaxial lines 2 with the two silencing and heat dissipating module, the diameters of the three channels 2 on the same axis are also the same.
Example 4
As shown in fig. 4, this embodiment discloses a noise reduction heat dissipation cover, including a plurality of noise reduction heat dissipation unit bodies 3 in "embodiment 2", a plurality of noise reduction heat dissipation unit bodies 3 interconnect to the structure is the same, a plurality of noise reduction heat dissipation unit bodies 3 are the rectangular array, and two adjacent noise reduction heat dissipation unit bodies 3 are the biggest noise reduction heat dissipation module body 1 interconnect each other separately, and a plurality of noise reduction heat dissipation unit bodies 3 constitute a cover-shaped structure, can cover on equipment. The noise source can be wrapped to reduce noise, and the purposes of ventilation and heat dissipation can be achieved.
The silencing and heat dissipating unit bodies 3 can be connected into corresponding shapes according to the shape and structure of the equipment, and the silencing and heat dissipating cover can also be formed into a cover-shaped structure by one or more of the silencing and heat dissipating module bodies 1 in a plurality of embodiments 1, the silencing and heat dissipating unit bodies 3 in embodiments 2 or the silencing and heat dissipating unit bodies 3 in embodiments 3.
The utility model discloses can use in narrow space relatively, except having the heat dissipation function, have higher noise elimination volume to the low frequency noise who is given first place to like 50Hz or 100Hz, and applicable adverse circumstances such as open air, the specially adapted is like the transformer, the transformer substation, the converter, the transverter, power equipment such as power transmission and distribution equipment, also be particularly suitable for using at the compressor, indoor motion venue, the exhibition place, the meeting room, a motor, steel constructs high building relay room transformer low frequency structure sound transmission control, water pump in the high building, high pressure well site etc. produce the space of low frequency noise. And the utility model discloses use pure resistance muffler design, do not use fibre and particle composition etc. to have the material of polluting the composition, do not have the worry of secondary pollution, do also to be applicable to the environment that needs high cleanness such as food, medicine, medical treatment, semiconductor. Furthermore, the utility model discloses a short distance is directly led to the design, also has ultralow pressure loss's characteristic, uses in being suitable for air pipe, has efficiency such as environmental protection and energy-conservation, does to integrate into building structures such as wall body.
As shown in fig. 5, in order to illustrate the superior noise reduction performance of the present invention in the low frequency range, the present invention is subjected to acoustic simulation under the following conditions: the sizes of the silencing and heat-radiating modules are respectively
(1) The length is 500mm, the width is 500mm, the diameter of the channel 2 is 50mm, and the thickness is 10 mm;
(2) the length is 1000mm, the width is 1000mm, the diameter of the channel 2 is 100mm, and the thickness is 10 mm;
the acoustic simulation results of the canceling volume (acoustic transmission loss) are shown in the following graph, in which the horizontal axis represents frequency Hz and the vertical axis represents canceling volume (acoustic transmission loss) dB.
According to the data, near the low frequency, the utility model discloses there is very outstanding noise elimination volume, is powerful in the elimination to the power equipment power fundamental frequency low frequency noise.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.
Claims (10)
1. The utility model provides a amortization heat dissipation module, includes amortization heat dissipation module body (1), its characterized in that: amortization heat dissipation module body (1) is the cavity rectangle cavity structure of platykurtic, seals the combination by last orifice plate and orifice plate down all around and forms, the interval L between last orifice plate and the orifice plate down is 10~250mm, the through-hole diameter of going up the orifice plate is the same with the through-hole diameter of orifice plate down and on same axis, and through-hole diameter D is 10~250 mm.
2. The noise reduction and heat dissipation module of claim 1, wherein: and the distance L between the upper orifice plate and the lower orifice plate is equal to the diameter D +/-5% of the through hole.
3. A sound-deadening heat-dissipating module according to claim 1 or 2, wherein: the through hole of the upper orifice plate or the through hole of the lower orifice plate is positioned at the geometric center or the non-geometric center of the upper orifice plate or the lower orifice plate.
4. A sound-deadening heat-dissipating module according to claim 1 or 2, wherein: the number of the through holes of the upper orifice plate or the through holes of the lower orifice plate is one or more.
5. The noise reduction and heat dissipation module of claim 4, wherein: when the number of the through holes of the upper orifice plate or the through holes of the lower orifice plate is multiple, the diameters of the through holes are the same or different, and one of the through holes is positioned on the geometric center of the upper orifice plate or the lower orifice plate or both the through holes are positioned on the non-geometric center.
6. The noise reduction and heat dissipation module of claim 4, wherein: when the number of the through holes is multiple, A1/A0 is less than 14%, wherein A1 is the total area of the through holes, and A0 is the surface area of a flat hollow rectangular cavity structure consisting of an upper orifice plate and a lower orifice plate.
7. The utility model provides a amortization heat dissipation unit, includes amortization heat dissipation unit body (3), its characterized in that: the silencing and heat-dissipating unit body (3) at least comprises one silencing and heat-dissipating module as set forth in any one of claims 1, 2, 4 or 5, wherein when the number of the silencing and heat-dissipating modules is multiple, the multiple silencing and heat-dissipating modules are stacked up and down, and through holes of the silencing and heat-dissipating modules stacked up and down are correspondingly communicated.
8. The sound-deadening heat-dissipating unit according to claim 7, wherein: the silencing and heat dissipating modules are stacked up and down to form a double-layer structure, the peripheral size of the upper silencing and heat dissipating module is smaller than that of the lower silencing and heat dissipating module, and the through holes of the upper silencing and heat dissipating module and the lower silencing and heat dissipating module are correspondingly the same.
9. The utility model provides a amortization heat exchanger that looses which characterized in that: comprising a plurality of sound-deadening and heat-dissipating units according to claim 7, which are connected to each other to form a hood-shaped structure.
10. The utility model provides a amortization heat exchanger that looses which characterized in that: comprising the silencing and heat dissipating module of claim 1, 2, 4 or 5 and/or the silencing and heat dissipating unit of claim 7, which are connected to each other to form a hood-shaped structure.
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| CN201920544753.7U CN210052518U (en) | 2019-04-19 | 2019-04-19 | Amortization heat dissipation module, amortization heat dissipation unit and amortization heat dissipation cover |
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| CN201920544753.7U CN210052518U (en) | 2019-04-19 | 2019-04-19 | Amortization heat dissipation module, amortization heat dissipation unit and amortization heat dissipation cover |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11725846B2 (en) | 2021-03-31 | 2023-08-15 | Trane International Inc. | Sound attenuation for HVAC devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11725846B2 (en) | 2021-03-31 | 2023-08-15 | Trane International Inc. | Sound attenuation for HVAC devices |
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