CN108878119A - A kind of sound insulation vibration-proof structure - Google Patents

A kind of sound insulation vibration-proof structure Download PDF

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Publication number
CN108878119A
CN108878119A CN201810942221.9A CN201810942221A CN108878119A CN 108878119 A CN108878119 A CN 108878119A CN 201810942221 A CN201810942221 A CN 201810942221A CN 108878119 A CN108878119 A CN 108878119A
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CN
China
Prior art keywords
sound insulation
vibration
rubber
proof structure
layer
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Pending
Application number
CN201810942221.9A
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Chinese (zh)
Inventor
王广克
聂京凯
侯东
孔晓峰
王斌
刘主光
易永利
樊超
�田�
田一
刘晓圣
何强
李天飞
陈新
韩钰
朱全军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Global Energy Interconnection Research Institute
Original Assignee
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Global Energy Interconnection Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Zhejiang Electric Power Co Ltd, Global Energy Interconnection Research Institute filed Critical State Grid Corp of China SGCC
Priority to CN201810942221.9A priority Critical patent/CN108878119A/en
Publication of CN108878119A publication Critical patent/CN108878119A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/33Arrangements for noise damping

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Regulation Of General Use Transformers (AREA)

Abstract

The present invention provides a kind of sound insulation vibration-proof structure, which includes:Buffer layer, sound insulation damping layer, rubber sound insulating layer, wherein buffer layer includes multiple seal cavities;The side of sound insulation damping layer is attached at the side of buffer layer, and cavity is provided in sound insulation damping layer, and cavity inside is filled with sound insulation vibration damping filler;The side of rubber sound insulating layer is attached at the other side of sound insulation damping layer.Sound insulation vibration-proof structure provided by the invention, has the characteristics that the advantages of structure is simple, practical, durable, good sound insulation and the double action of vibration damping are realized by multiple sound insulation vibration-proof structure, the level of vibration that can effectively reduce its connected device realizes the decrease of noise functions to apparatus body.

Description

A kind of sound insulation vibration-proof structure
Technical field
The present invention relates to sound insulation antivibration areas, and in particular to a kind of sound insulation vibration-proof structure.
Background technique
With the continuous improvement of social progress and living standard, people increasingly improve the attention rate of environmental protection, make an uproar Sound pollution is one of today's society four greatly pollution, is more and more concerned by people.The noise problem origin of substation is Long.The Main Noise Sources of substation are transformer, and the iron core of transformer generates the period since magnetostriction acts at work Property vibration and noise.
The noise control of substation mainly uses aid in noise control measure, such as uses sound-absorbing material, partiting sound member, noise elimination Device, acoustic hood etc. effectively obstruct noise transmission approach.But assist noise reduction higher cost, and can bring equipment cooling it is bad, The problems such as maintenance is difficult, also cannot achieve the noise reduction of transformer body.And the normal of transformer body vibration and noise is reduced at present Be that vibration isolator is installed under transformer body with means, transform elastic connection as by that will be rigidly connected, reduce the vibration of iron core to It propagates in the external world.The main path that transformer core vibration noise is outwardly propagated has two:First, passing through transformer body and oil The rigid connection of box enclosure is propagated outward;Second, being propagated outward by body-transformer oil-fuel tank approach, and Article 2 is made an uproar Acoustic propagation path is the main path that transformer noise is propagated, although the setting of vibration isolator can generate first route of transmission Effect, but to Article 2 route of transmission without positive effect.
Summary of the invention
The embodiment of the invention provides a kind of sound insulation vibration-proof structures, to overcome substation in the prior art in transformer body The sound insulation oscillation damping method of lower installation vibration isolator, can not act on by body-transformer oil-fuel tank noise transmission generation, become The problems such as effect of vibration and noise reduction of depressor entirety is poor.
For this purpose, the embodiment of the invention provides a kind of sound insulation vibration-proof structures, including:Buffer layer, sound insulation damping layer, rubber every Sound layer, wherein the buffer layer includes multiple seal cavities;The side of the sound insulation damping layer is attached at the one of the buffer layer Side, cavity is provided in the sound insulation damping layer, and the cavity inside is filled with sound insulation vibration damping filler;The rubber sound insulating layer Side be attached at the other side of the sound insulation damping layer.
Optionally, the seal cavity is rubber pneumatic bag made of oil resistant rubber.
Optionally, the sound insulation vibration damping filler is non-newtonian fluid filler.
Optionally, the non-newtonian fluid filler is dilatant fluid material.
Optionally, the rubber sound insulating layer is made of high-damping oil-resistant rubber material.
Optionally, the material of the rubber sound insulating layer and the buffer layer is nitrile rubber, fluorubber, fluorine silicone rubber, hydrogen Change nitrile rubber, neoprene, in acrylic rubber any one or any several mix.
Optionally, it is bonded between the buffer layer, sound insulation damping layer and rubber sound insulating layer using adhesive.
Optionally, the buffer layer with a thickness of 0.5mm-5mm.
Optionally, the sound insulation damping layer with a thickness of 0.5mm-100mm.
Optionally, the rubber sound insulating layer with a thickness of 2mm-50mm.
Technical solution of the present invention has the following advantages that:
Sound insulation vibration-proof structure provided in an embodiment of the present invention, including:Buffer layer with multiple seal cavities is attached at slow The sound insulation damping layer of layer is rushed, is provided with cavity in sound insulation damping layer, sound insulation vibration damping filler is filled in the inside of cavity, attaches In the rubber sound insulating layer of sound insulation damping layer.Rubber sound insulating layer reduces the noise of equipment generation, the sound insulation vibration damping of sound insulation damping layer On the one hand filler absorbs the noise for passing through rubber sound insulating layer, the elasticity of another aspect sound insulation vibration damping filler plays the work of vibration damping With, improve the effect of sound insulation vibration damping, the sealing cavity of buffer layer when by external force, occur elastic deformation, further increase Effectiveness in vibration suppression, and the gas in sealing cavity has sound absorption, and then can be further reduced noise transmission, and which subtracts Vibration have the characteristics that structure is simple, practical, durable, by multiple sound insulation vibration-proof structure realize good sound insulation with The double action of vibration damping can effectively reduce the level of vibration of its connected device, realize the decrease of noise functions to apparatus body.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of sound insulation vibration-proof structure in the embodiment of the present invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " side ", " other side " or position are closed System is merely for convenience of description of the present invention and simplification of the description to be based on the orientation or positional relationship shown in the drawings, rather than indicates Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitation of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection ", " attaching " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can also be the connection inside two elements, can be wireless connection, be also possible to wired connection.For the common skill of this field For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments It can be combined with each other at conflict.
The embodiment of the invention provides a kind of sound insulation vibration-proof structures, as shown in Figure 1, the sound insulation vibration-proof structure includes:Buffering Layer 1, sound insulation damping layer 2, rubber sound insulating layer 3, wherein the buffer layer 1 includes multiple seal cavities 4;The sound insulation damping layer 2 Side be attached at the side of the buffer layer 1, be provided with cavity in the sound insulation damping layer 2, the cavity inside is filled with Sound insulation vibration damping filler 5;The side of the rubber sound insulating layer 3 is attached at the other side of the sound insulation damping layer 2.
Based on above-mentioned each component part, sound insulation vibration-proof structure provided in an embodiment of the present invention has structure simple, practical Strong, the durable feature of property, realizes good sound insulation and the double action of vibration damping by multiple sound insulation vibration-proof structure, can have Effect reduces the level of vibration of its connected device, realizes the noise reduction to apparatus body.
It is described further below in conjunction with sound insulation vibration-proof structure of the specific example to the embodiment of the present invention.
In practical applications, above-mentioned buffer layer 1 can be fixed on transformer equipment (such as oil tank of transformer) by adhesive Inner wall on, above-mentioned sound insulation damping layer 2 and rubber sound insulating layer 3 pass sequentially through rubber adhesive and buffer layer 1 bonds.
In a preferred embodiment, multiple seal cavities 4 in above-mentioned buffer layer 1 are using rubber gas made of oil resistant rubber Capsule, rubber pneumatic bag made of the oil resistant rubber can reduce the corrosion of storage gasoline in fuel tank or diesel oil etc., extend entire sound insulation The service life of vibration-proof structure.In practical applications, the buffer layer 1 with a thickness of 0.5mm-5mm, user can also be according to difference Application scenarios and use condition be adjusted, the present invention is not limited thereto.
In a preferred embodiment, the sound insulation vibration damping filler 5 filled in above-mentioned sound insulation damping layer 2 is non-newtonian flow Body filler, in practical applications, the non-newtonian fluid filler are dilatant fluid material, which uses With the rheological behavior material for being increased by shear rate and being enhanced, the shear stress that can be applied according to outside becomes internal viscosity Change flow behavior, to realize the effect of vibration damping, and the filler can also be achieved the effect of sound-absorbing, reduces sonic propagation of making an uproar. In practical applications, the sound insulation damping layer 2 with a thickness of 0.5mm-100mm, user can also according to different application scenarios and Use condition is adjusted, and the present invention is not limited thereto.
In a preferred embodiment, above-mentioned rubber sound insulating layer 3 is made of the oil-resistant rubber material of high-damping, in reality In, since rubber sound insulating layer 3 is directly contacted with the oil stored in transformer equipment fuel tank, it is therefore desirable to oil-resistant rubber material system At, and high damping material also has good sound insulation effectiveness in vibration suppression, therefore can both be dropped using the oil-resistant rubber material of high-damping Destruction of the low oil to sound insulation vibration-proof structure, extends the service life of sound insulation vibration-proof structure, moreover it is possible to play the effect of sound insulation vibration damping, shape At first of sound insulation vibration damping barrier of entire sound insulation vibration-proof structure.In practical applications, the rubber sound insulating layer 3 with a thickness of 2mm- 50mm, user can be adjusted according to different application scenarios and use condition, and the present invention is not limited thereto.
In a preferred embodiment, the rubber material of above-mentioned rubber sound insulating layer 3 and above-mentioned buffer layer 1 is nitrile rubber, fluorine Rubber, fluorine silicone rubber, hydrogenated nitrile-butadiene rubber, neoprene, any one or any several mixing in acrylic rubber and At.In practical applications, different rubber kinds can be selected according to the different application scenarios of sound insulation vibration-proof structure and use condition Class and ratio are made, and the present invention is not limited thereto.
In practical applications, adhesive can be used between above-mentioned buffer layer 1, sound insulation damping layer 2 and rubber sound insulating layer 3 It is bonded, above-mentioned three-decker can also be fixed together using other bonding modes, the present invention is not limited thereto.
Below in conjunction with concrete application example, the sound insulation vibration damping of sound insulation vibration-proof structure provided in an embodiment of the present invention is imitated Fruit compares and analyzes.
Using example 1:In this application example, the buffer layer 1 of sound insulation vibration-proof structure is soft with thin layer made of oil resistant rubber Matter rubber pneumatic bag is constituted, and with a thickness of 2mm, which is made of a kind of formula of oil-resistant acrylonitrile-butadirubber rubber;Sound insulation vibration-proof structure Sound insulation damping layer 2 in fill non-newtonian fluid with a thickness of 10mm;The rubber sound insulating layer 3 of sound insulation vibration-proof structure with a thickness of 10mm is made of a kind of formula of oil-resistant acrylonitrile-butadirubber rubber.After the sound insulation vibration-proof structure preparation with above structure, using viscous Mixture is fixed on the inner wall of oil tank of 10kv transformer, and starting transformer works normally, after the test application sound insulation vibration-proof structure The noise and vibration data of transformer generation simultaneously add 22mm with before the application sound insulation vibration-proof structure and in transformer oil chamber interior wall The noise and vibration data measured after thick rubber vibration insulating pad compares, and comparing result is as shown in table 1.
Table 1
As shown in Table 1, the sound insulation effectiveness in vibration suppression of sound insulation vibration-proof structure provided in an embodiment of the present invention will be significantly better than and not answer With the sound insulation effectiveness in vibration suppression of the sound insulation vibration-proof structure and application 22mm thickness rubber vibration insulating pad.
Using example 2:In this application example, the buffer layer 1 of sound insulation vibration-proof structure is soft with thin layer made of oil resistant rubber Matter rubber pneumatic bag is constituted, and with a thickness of 3mm, which is made of a kind of formula of oil resistant fluorubber;Sound insulation vibration-proof structure The non-newtonian fluid filled in sound insulation damping layer 2 with a thickness of 15mm;The rubber sound insulating layer 3 of sound insulation vibration-proof structure with a thickness of 20mm is made of a kind of formula of oil resistant fluorubber.After the sound insulation vibration-proof structure preparation with above structure, using bonding Agent is fixed on the inner wall of oil tank of 10kv transformer, and starting transformer works normally, and is become after the test application sound insulation vibration-proof structure The noise and vibration data of depressor generation are simultaneously thick with 38mm is added before the application sound insulation vibration-proof structure and in transformer oil chamber interior wall Rubber vibration insulating pad after the noise that measures and vibration data compare, comparing result is as shown in table 2.
As shown in Table 2, the sound insulation effectiveness in vibration suppression of sound insulation vibration-proof structure provided in an embodiment of the present invention will be significantly better than and not answer With the sound insulation vibration-proof structure and using the sound insulation effectiveness in vibration suppression of 38mm thickness rubber vibration insulating pad, and contrast table 1 and table 2 are it is found that increase Sound insulation effectiveness in vibration suppression can be made more preferably by adding the thickness of each layer of sound insulation vibration-proof structure provided in an embodiment of the present invention.
Table 2
Based on above-mentioned each component part, sound insulation vibration-proof structure provided in an embodiment of the present invention has structure simple, real With strong, the durable feature of property, good sound insulation and the double action of vibration damping are realized by multiple sound insulation vibration-proof structure, it can The level of vibration of its connected device is effectively reduced, realizes the noise reduction to apparatus body.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes still within the protection scope of the invention.

Claims (10)

1. a kind of sound insulation vibration-proof structure, which is characterized in that including:Buffer layer (1), sound insulation damping layer (2), rubber sound insulating layer (3), Wherein,
The buffer layer (1) includes multiple seal cavities (4);
The side of the sound insulation damping layer (2) is attached at the side of the buffer layer (1), setting in the sound insulation damping layer (2) There is cavity, the cavity inside is filled with sound insulation vibration damping filler (5);
The side of the rubber sound insulating layer (3) is attached at the other side of the sound insulation damping layer (2).
2. sound insulation vibration-proof structure according to claim 1, which is characterized in that the seal cavity (4) is oil resistant rubber system At rubber pneumatic bag.
3. sound insulation vibration-proof structure according to claim 1, which is characterized in that the sound insulation vibration damping filler (5) is non-ox Pause fluid filler.
4. sound insulation vibration-proof structure according to claim 3, which is characterized in that the non-newtonian fluid filler is swollen plasticity Fluent material.
5. sound insulation vibration-proof structure according to claim 1, which is characterized in that the rubber sound insulating layer (3) is that high-damping is resistance to Oily rubber material is made.
6. sound insulation vibration-proof structure according to claim 1, which is characterized in that the rubber sound insulating layer (3) and the buffering The material of layer (1) is nitrile rubber, in fluorubber, fluorine silicone rubber, hydrogenated nitrile-butadiene rubber, neoprene, acrylic rubber Any one any several is mixed.
7. sound insulation vibration-proof structure according to claim 1, which is characterized in that the buffer layer (1), sound insulation damping layer (2) And it is bonded between rubber sound insulating layer (3) using adhesive.
8. sound insulation vibration-proof structure according to claim 1, which is characterized in that the buffer layer (1) with a thickness of 0.5mm- 5mm。
9. sound insulation vibration-proof structure according to claim 1, which is characterized in that the sound insulation damping layer (2) with a thickness of 0.5mm-100mm。
10. sound insulation vibration-proof structure according to claim 1, which is characterized in that the rubber sound insulating layer (3) with a thickness of 2mm-50mm。
CN201810942221.9A 2018-08-17 2018-08-17 A kind of sound insulation vibration-proof structure Pending CN108878119A (en)

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WO2024213173A1 (en) * 2023-04-12 2024-10-17 广州市雷曼兄弟电子科技有限公司 Composite film, and preparation method therefor and use thereof

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CN110303737A (en) * 2019-06-28 2019-10-08 徐州仁和液压科技有限公司 A kind of fluid damping acoustic damping materials and preparation method thereof
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