CN203023381U - Structure-borne sound transmission control system based on composite vibration isolation device - Google Patents
Structure-borne sound transmission control system based on composite vibration isolation device Download PDFInfo
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- CN203023381U CN203023381U CN 201220722544 CN201220722544U CN203023381U CN 203023381 U CN203023381 U CN 203023381U CN 201220722544 CN201220722544 CN 201220722544 CN 201220722544 U CN201220722544 U CN 201220722544U CN 203023381 U CN203023381 U CN 203023381U
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- sound transmission
- vibration isolator
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- 238000002955 isolation Methods 0.000 title claims abstract description 58
- 230000005540 biological transmission Effects 0.000 title claims abstract description 22
- 239000002131 composite material Substances 0.000 title abstract 4
- 238000010276 construction Methods 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 5
- 230000009102 absorption Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a structure-borne sound transmission control system based on a composite vibration isolation device. The structure-borne sound transmission control system comprises a top constructed rubber layer, a support panel, a rubber vibration isolator, an intermediate mass block, a spring vibration isolator, a damper, a base panel and a bottom constructed rubber layer, wherein the rubber vibration isolator is mounted on the base panel; the intermediate mass block is mounted on the rubber isolator; the intermediate mass block is mounted on the rubber isolator; and the spring vibration isolator and the damper are mounted on the intermediate mass block. The structure-borne sound transmission control system can perform active control on high-frequency structure-borne sound transmission by using a composite vibration isolation system; low-frequency vibration components are reduced after vibration attenuation by the spring vibration isolator; the majority of vibration energy is absorbed effectively by the intermediate mass block; and the rubber vibration isolator can effectively isolate vibration so as to prevent the structure-borne sound from being transmitted continuously to structures. After passing by the composite vibration isolation system, the structure-borne sound transmission of a transformer can be isolated effectively. Tests show that the vibration isolation device has obvious vibration isolation effect for equipments with noise frequency above 50Hz, and the vibration isolation rate reaches above 97%.
Description
Technical field
The utility model relates to vibration control field, particularly a kind of structure-borne sound transmission control gear.
Background technique
Electromagnetic noise and mechanical noise that the switch board room noise produces when being mainly the transformer operation.Electromagnetic noise is mainly to be caused by the magnetostriction of silicon steel plate and the electromagnetic force in winding, and mechanical noise is that vibration equipment, cooling fan running cause.House transformer mostly is greatly dry-type transformer in the switch board room of residential quarter, and the vibration of the transformer body that magnetostriction causes is for its fundamental frequency, therefore the frequency range that distribution transformer cores vibrates is usually between 100～500Hz take the power supply frequency of twice.It is generally acknowledged, vibration frequency is low-frequency vibration less than 6 Hz, and 6～100Hz is middle frequency vibration, is dither greater than 100Hz.The frequency that the transformer vibration is outwards transmitted is mainly 100Hz, reaches the frequency multiplication with 100Hz, all belong to dither, and this dither outwards transmits by structure very easily, and people's living environment is caused larger impact.
At present, sound absorption, sound insulation measure or simple single-layer partiting polarization system are generally adopted in the transaudient control of switch board room.Adopt the measures such as sound absorption, sound insulation, noise elimination to fall low noise air borne in the propagation path of noise, sound proof box and Sound-proof material or electric substation and switch board room wall add one deck acoustic board and insulation board is a kind of feasible selection as installing additional outside transformer, but can cause the adverse effects such as room temperature rising, the reduction of ventilation quality, some tradition sound absorptions, sound insulating material have narrow limitation to the frequency range of high-frequency noise sound absorption simultaneously, easily resonate, cause on the contrary the structure-borne sound transmission aggravation.
Have simple single-layer partiting polarization device now and do not consider that the double-layer vibration isolating device of intermediate mass piece carries out ACTIVE CONTROL to structure-borne sound transmission, but only the isolation ratio to the lower frequency region vibration is more effective, and disturb for the dither more than 100 Hz, vibration isolating effect is unsatisfactory.
Therefore be badly in need of a kind of device that can effectively control the high-frequency structure noise of vibratory equipment generation.
The model utility content
In view of this, technical problem to be solved in the utility model is to provide a kind of device that can effectively control the high-frequency structure noise of shake unit generation.This device be applicable to the construct noise such as the transformer, reactor, capacitor in electric substation and switch board room propagate administer, in the vibration control field.
The utility model is achieved through the following technical solutions:
The structure-borne sound transmission control system based on the combined type isolation mounting that the utility model provides comprises top layer structure rubber, bearing panel, spring vibration isolation device, damper, intermediate mass piece, rubber vibration isolator, base panel, ground floor construction rubber;
Described rubber vibration isolator is arranged on base panel, and described intermediate mass piece is arranged on rubber vibration isolator, and described spring vibration isolation device and damper are arranged on the intermediate mass piece, and described bearing panel is arranged on the spring vibration isolation device;
Further,
Described lower end at base panel is equipped with the ground floor construction rubber that matches with base panel, and the upper end of described bearing panel is equipped with the top layer structure rubber that matches with the bearing panel.
Further, the mounting point of the mounting point of described spring vibration isolation device and rubber vibration isolator over against.
Further, described rubber vibration isolator is at least two damping means that are symmetricly set between rubber vibration isolator and carrying base surface.
Further, also be provided with the hard plate that matches with rubber vibration isolator above described rubber vibration isolator.
Further, described intermediate mass piece is arranged between rubber vibration isolator and spring vibration isolation device, and described rubber vibration isolator and spring vibration isolation device are uniformly distributed in intermediate mass piece surrounding.
Further, described bearing panel is provided with segregate machinery, and described segregate machinery is any equipment of transformer, reactor or capacitor in electric substation or switch board room.
Further, the segregate machinery of described bearing panel top placement, described segregate machinery can be the satisfactory equipment of any weight of the transformer in electric substation or switch board room, reactor or capacitor.
The beneficial effects of the utility model are: the utility model adopts the combined type vibrating isolation system to control the propagation of high-frequency structure noise, and is very obvious to the isolation effect of low-frequency vibration at the spring vibration isolation device, and with damper Collaboration, dissipation part energy; The energy going down of failing to isolate is effectively absorbed by the intermediate mass piece, and again intercepts it by rubber vibration isolator and be passed to structure; Spring vibration isolation device, rubber vibration isolator are and are arranged symmetrically with, and guarantee device and Systems balanth; This vibrating isolation system comes compared with simple vibrating isolation system, vibration isolation efficiency in high-frequency range is higher, and after spring vibration isolation device vibration damping, low-frequency component reduces, and rubber vibration isolator can play the high-frequency vibration isolation effect, makes its dither to different frequency all have obvious vibration isolating effect.The intermediate mass piece is made by standard-sized steel plate overlap assembly, can satisfy the machinery of Different Weight, the design requirement of different quality ratio.After the combined type vibrating isolation system, the transformer high-frequency noise is prevented that by efficient active isolation it is passed among people's living environment by structure.Experiment showed, that the equipment more than 50Hz all shows obvious vibration isolating effect to this isolation mounting for noise frequency, the vibration isolation rate can be up to more than 97%.
Description of drawings
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:
Fig. 1 is the structure-borne sound transmission control system structural drawing based on the combined type isolation mounting;
Fig. 2 is the structure-borne sound transmission control system A-A sectional drawing based on the combined type isolation mounting;
Fig. 3 is the structure-borne sound transmission control system B-B sectional drawing based on the combined type isolation mounting.
Embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
Fig. 1 is the structure design structure diagram based on the combined type isolation mounting, Fig. 2 is the A-A sectional drawing based on the combined type isolation mounting, Fig. 3 is the B-B sectional drawing based on the combined type isolation mounting, as shown in the figure: the structure-borne sound transmission control system based on the combined type isolation mounting that the utility model provides comprises top layer structure rubber 8, bearing panel 1, spring vibration isolation device 2, damper 3, intermediate mass piece 4, rubber vibration isolator 5, base panel 6 and ground floor construction rubber 7;
Described rubber vibration isolator 5 is arranged on base panel 6, and described intermediate mass piece 4 is arranged on rubber vibration isolator 5; Described spring vibration isolation device 2 and damper 3 are arranged on intermediate mass piece 4; Described bearing panel 1 is arranged on spring vibration isolation device 2;
Described lower end at base panel 6 is equipped with the ground floor construction rubber 7 that matches with base panel 6, and the upper end of described bearing panel 1 is equipped with the top layer structure rubber 8 that matches with bearing panel 1.
The mounting point of described spring vibration isolation device and the mounting point of rubber vibration isolator over against.
Described rubber vibration isolator is at least four damping means that are symmetricly set between base panel and intermediate mass piece.
Described spring vibration isolation device top also is provided with the bearing panel that matches with the spring vibration isolation device.
Described intermediate mass piece is arranged between rubber vibration isolator and spring vibration isolation device, and described rubber vibration isolator and spring vibration isolation device are uniformly distributed in intermediate mass piece surrounding.
Segregate machinery is placed in described bearing panel top, and described segregate machinery can be the satisfactory equipment of any weight of the transformer in electric substation or switch board room, reactor or capacitor.
Quality in the present embodiment is 0.2-0.5 than span; This isolation mounting total height is in 30cm, and in the time of can satisfying indoor location, the top is the requirement of superelevation not.This device adopts the 55cm*55cm standard measure to make, and can arrange according to the actual conditions of equipment neatly during use, adopts at least 4 supportings.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although by the utility model being described with reference to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and not depart from the spirit and scope of the present utility model that appended claims limits.
Claims (7)
1. based on the structure-borne sound transmission control system of combined type isolation mounting, it is characterized in that: comprise top layer structure rubber (8), bearing panel (1), spring vibration isolation device (2), damper (3), intermediate mass piece (4), rubber vibration isolator (5), base panel (6), ground floor construction rubber (7);
Described rubber vibration isolator (5) is arranged on base panel (6), and described intermediate mass piece (4) is arranged on rubber vibration isolator (5); Described spring vibration isolation device (2) and damper (3) are arranged on intermediate mass piece (4); Described bearing panel (1) is arranged on spring vibration isolation device (2); Lay respectively top layer structure rubber (8) and ground floor construction rubber (7) in the upper end of bearing panel (1) and the lower end of base panel (6).
2. the structure-borne sound transmission control system based on the combined type isolation mounting according to claim 1, it is characterized in that: described lower end at base panel (6) is equipped with the ground floor construction rubber (7) that matches with base panel (6), and the upper end of described bearing panel (1) is equipped with the top layer structure rubber (8) that matches with bearing panel (1).
3. the structure-borne sound transmission control system based on the combined type isolation mounting according to claim 1 is characterized in that: the mounting point of described spring vibration isolation device and the mounting point of rubber vibration isolator over against.
4. the structure-borne sound transmission control system based on the combined type isolation mounting according to claim 2 is characterized in that: described rubber vibration isolator is at least two damping means that are symmetricly set between rubber vibration isolator and carrying base surface.
5. the structure-borne sound transmission control system based on the combined type isolation mounting according to claim 1, is characterized in that: also be provided with the hard plate that matches with rubber vibration isolator above described rubber vibration isolator.
6. the structure-borne sound transmission control system based on the combined type isolation mounting according to claim 1, it is characterized in that: described intermediate mass piece is arranged between spring vibration isolation device and rubber vibration isolator, and described spring vibration isolation device and rubber vibration isolator are uniformly distributed in intermediate mass piece surrounding.
7. the structure-borne sound transmission control system based on the combined type isolation mounting according to claim 1, it is characterized in that: the segregate machinery of described bearing panel top placement, described segregate machinery can be the satisfactory equipment of any weight of the transformer in electric substation or switch board room, reactor or capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722544 CN203023381U (en) | 2012-12-25 | 2012-12-25 | Structure-borne sound transmission control system based on composite vibration isolation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722544 CN203023381U (en) | 2012-12-25 | 2012-12-25 | Structure-borne sound transmission control system based on composite vibration isolation device |
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| CN203023381U true CN203023381U (en) | 2013-06-26 |
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| CN 201220722544 Expired - Lifetime CN203023381U (en) | 2012-12-25 | 2012-12-25 | Structure-borne sound transmission control system based on composite vibration isolation device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967987A (en) * | 2014-05-15 | 2014-08-06 | 江苏海事职业技术学院 | Adjustable damping device for ship base |
| CN104179873A (en) * | 2014-08-22 | 2014-12-03 | 重庆交通大学 | Vibration damping and isolation system |
| CN106252029A (en) * | 2016-09-27 | 2016-12-21 | 国家电网公司 | A kind of vibration and noise reducing device for dry-type distribution transformer |
| CN106449028A (en) * | 2016-09-27 | 2017-02-22 | 国家电网公司 | Vibration and noise reduction device for dry-type distribution transformer |
| CN108458040A (en) * | 2018-02-05 | 2018-08-28 | 中国人民解放军海军工程大学 | A kind of adjustable double-layer vibration damping module of integrated form |
| CN109458426A (en) * | 2018-11-23 | 2019-03-12 | 中国船舶重工集团公司第七〇九研究所 | A kind of New Type Vibration Isolator Using |
| CN109519500A (en) * | 2018-11-23 | 2019-03-26 | 中国船舶重工集团公司第七〇九研究所 | A kind of electrical equipment vibration isolation anti-impact device |
| CN110657192A (en) * | 2019-09-24 | 2020-01-07 | 涂建维 | Vibration isolation device based on tuned mass damper |
| CN110805647A (en) * | 2019-10-24 | 2020-02-18 | 绍兴建元电力集团有限公司大兴电力承装分公司 | Composite vibration isolation device installed inside transformer oil tank and design method |
| CN110939679A (en) * | 2019-12-25 | 2020-03-31 | 中国科学院沈阳自动化研究所 | Semi-active vibration isolation system |
| CN113586657A (en) * | 2021-07-30 | 2021-11-02 | 三一重能股份有限公司 | Damping support and fan |
-
2012
- 2012-12-25 CN CN 201220722544 patent/CN203023381U/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967987A (en) * | 2014-05-15 | 2014-08-06 | 江苏海事职业技术学院 | Adjustable damping device for ship base |
| CN104179873A (en) * | 2014-08-22 | 2014-12-03 | 重庆交通大学 | Vibration damping and isolation system |
| CN104179873B (en) * | 2014-08-22 | 2016-06-08 | 重庆交通大学 | Vibration damping and vibration isolation system |
| CN106252029A (en) * | 2016-09-27 | 2016-12-21 | 国家电网公司 | A kind of vibration and noise reducing device for dry-type distribution transformer |
| CN106449028A (en) * | 2016-09-27 | 2017-02-22 | 国家电网公司 | Vibration and noise reduction device for dry-type distribution transformer |
| CN108458040B (en) * | 2018-02-05 | 2020-12-15 | 中国人民解放军海军工程大学 | Integrated adjustable double-layer vibration reduction module |
| CN108458040A (en) * | 2018-02-05 | 2018-08-28 | 中国人民解放军海军工程大学 | A kind of adjustable double-layer vibration damping module of integrated form |
| CN109458426A (en) * | 2018-11-23 | 2019-03-12 | 中国船舶重工集团公司第七〇九研究所 | A kind of New Type Vibration Isolator Using |
| CN109519500A (en) * | 2018-11-23 | 2019-03-26 | 中国船舶重工集团公司第七〇九研究所 | A kind of electrical equipment vibration isolation anti-impact device |
| CN109519500B (en) * | 2018-11-23 | 2024-05-24 | 中国船舶重工集团公司第七一九研究所 | Vibration isolation and impact resistance device for electrical equipment |
| CN109458426B (en) * | 2018-11-23 | 2024-05-24 | 中国船舶重工集团公司第七一九研究所 | Vibration isolator |
| CN110657192A (en) * | 2019-09-24 | 2020-01-07 | 涂建维 | Vibration isolation device based on tuned mass damper |
| CN110805647B (en) * | 2019-10-24 | 2024-01-12 | 绍兴建元电力集团有限公司大兴电力承装分公司 | Composite vibration isolation device installed inside transformer oil tank and design method |
| CN110805647A (en) * | 2019-10-24 | 2020-02-18 | 绍兴建元电力集团有限公司大兴电力承装分公司 | Composite vibration isolation device installed inside transformer oil tank and design method |
| CN110939679B (en) * | 2019-12-25 | 2024-02-13 | 中国科学院沈阳自动化研究所 | Semi-active vibration isolation system |
| CN110939679A (en) * | 2019-12-25 | 2020-03-31 | 中国科学院沈阳自动化研究所 | Semi-active vibration isolation system |
| CN113586657A (en) * | 2021-07-30 | 2021-11-02 | 三一重能股份有限公司 | Damping support and fan |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |