CN204680532U - A kind of transformer vibration damping denoising device - Google Patents
A kind of transformer vibration damping denoising device Download PDFInfo
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- CN204680532U CN204680532U CN201520456003.6U CN201520456003U CN204680532U CN 204680532 U CN204680532 U CN 204680532U CN 201520456003 U CN201520456003 U CN 201520456003U CN 204680532 U CN204680532 U CN 204680532U
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- Prior art keywords
- vibration damping
- transformer
- vibration
- enclosing cover
- denoising device
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- 238000013016 damping Methods 0.000 title claims abstract description 59
- 238000005192 partition Methods 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 6
- 239000008397 galvanized steel Substances 0.000 claims description 6
- 230000003584 silencer Effects 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 27
- 230000005855 radiation Effects 0.000 description 6
- 239000012080 ambient air Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 206010022998 Irritability Diseases 0.000 description 1
- 208000012902 Nervous system disease Diseases 0.000 description 1
- 208000007443 Neurasthenia Diseases 0.000 description 1
- 208000013738 Sleep Initiation and Maintenance disease Diseases 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 206010003549 asthenia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009693 chronic damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 206010022437 insomnia Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Regulation Of General Use Transformers (AREA)
Abstract
The utility model provides a kind of transformer vibration damping denoising device, comprise peripheral denoising structure (1) and bottom vibration and noise reducing structure (2), it is characterized in that, described peripheral denoising structure (1) comprises and surrounds enclosing cover (11) by sound-absorbing partition, be arranged on the air intake assembly (12) of enclosing cover (11) front side and noise reduction gate (13) and be arranged on multiple air draft assemblies (14) of enclosing cover (11) end face, described bottom vibration and noise reducing structure (2) comprises two upper vibration damping beams (21) and two lower vibration damping beams (22), described two upper vibration damping beams (21) are fixedly mounted on the bottom bay of transformer (3) side by side, lower vibration damping beam (22) is installed with multiple vibration isolator (23) fixing with mattess basis.Its structure of transformer vibration damping denoising device of the present utility model is simple, convenient for installation and maintenance, ventilation and heat is good and can effectively reduce transformer noise pollute, can effectively improve nearby residents living environment.
Description
Technical field
The utility model belongs to noise reduction technology field, particularly relates to the vibration and noise reducing device of transformer.
Background technology
Transformer station is important electric power occasion, and due to the continuous expansion in city and the needs of city network transformation, some transformer stations must be built in shopping centre and residential block.Along with the enhancing of people's environmental consciousness, the noise problem of transformer has obtained the great attention of power department and transformer manufacturing manufacturer.
Although the noise that most transformer produces does not belong to the noise of high-decibel, its low-frequency noise produced in most cases can produce chronic injury to human body, easily make people's agitation, irritability, sometimes even lose one's marbles, harassed for a long time, also may be caused the nervous system disease such as neurasthenia, insomnia.The noise of transformer is mainly coupled to transformer case by iron coring vibration, and transformer case vibration is produced.The vibration produced through the ground from transformer ambient air and transformer bottom to surrounding radiation, thus the resident of impact life around.
In prior art, transformer is all arranged on the casing for being isolated from the outside by transformer, during installation, transformer is arranged in casing, but all transformer is set directly in casing in prior art, because body structure is simple, therefore, casing cannot adsorb the noise produced when transformer runs, and when transformer runs, noise is large, the normal rest of interference people.And existing transformer-cabinet can not stop transformer from ground outwardly radiation vibrating noise.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of transformer vibration damping denoising device, its structure is simple, convenient for installation and maintenance, ventilation and heat is good and can effectively reduce transformer noise pollute, can effectively improve nearby residents living environment.
Concrete technical scheme of the present utility model is a kind of transformer vibration damping denoising device, comprises peripheral denoising structure and bottom vibration and noise reducing structure, it is characterized in that,
Described peripheral denoising structure comprises and surrounds enclosing cover by sound-absorbing partition, is arranged on air intake assembly on front side of enclosing cover and noise reduction gate and is arranged on multiple air draft assemblies of enclosing cover end face, described sound-absorbing partition is composite construction board, comprise perforation galvanized steel plain sheet, mineral wool layer, damping sound insulation felt and galvanized steel plain sheet from inside to outside successively, described enclosing cover by transformer cover therein
Described bottom vibration and noise reducing structure comprises two upper vibration damping beams and two lower vibration damping beams, described two upper vibration damping beams are fixedly mounted on the bottom bay of transformer side by side, described two lower vibration damping beams and the mutual vertical interlaced of upper vibration damping beam arrange and fixedly mount, and lower vibration damping beam are installed with multiple vibration isolator fixing with mattess basis.
Further, described air intake assembly comprises air intake framework and anechoic sheet, on the installing hole that described air intake frame installation is reserved on front side of enclosing cover, is provided with independent anechoic sheet in air intake framework.
Further, described air draft assembly comprises the controller of axial flow blower, air-discharge silencer and Control Shaft flow fan, described axial flow blower is arranged on the end face of airtight cover body and inner towards airtight cover body, described air-discharge silencer is arranged on the air outlet place outside axial flow blower, and described controller is arranged on the outside of airtight cover body for the start and stop of Control Shaft flow fan.
Further, described upper vibration damping beam and lower vibration damping beam all adopt channel-section steel to make, the channel-section steel of upper vibration damping beam is provided with lightening hole, the below of described vibration isolator is disposed with the first rubber blanket, steel plate and the second rubber blanket, and vibration isolator is fixed by the first rubber blanket, steel plate and the second rubber blanket and mattess basis.
Further, the 3rd rubber blanket is provided with between described upper vibration damping beam and lower vibration damping beam.
Further, the mattess basis of described bottom vibration and noise reducing structure periphery is equipped with sand layer.
The beneficial effects of the utility model are 1) be placed into transformer by sound-absorbing partition airtight cover body in, the sound-absorbing partition of compound effectively can absorb the low frequency signal that transformer vibration produces, and prevents low frequency signal by ambient air outwardly radiation; 2) on airtight cover body, be provided with air intake assembly and air draft assembly, air intake, air draft assembly can not only effectively reduce the noise of transformer, can also ensure the ventilation and heat performance in airtight cover body simultaneously; 3) arrange vibration and noise reducing parts in the bottom of transformer, structure is simple, utilizes vibration isolator effectively can reduce vibration between transformer and ground, thus reduces transformer noise, also can prevent the radiation towards periphery from ground of the low frequency signal of transformer.
Accompanying drawing explanation
Fig. 1 is the structural representation of transformer vibration damping denoising device of the present utility model;
Fig. 2 is the external structure schematic diagram of transformer vibration damping denoising device of the present utility model;
Fig. 3 is the partial enlarged drawing in Fig. 1.
In figure: 1 peripheral denoising structure, 11 enclosing cover, 12 air intake assemblies, 121 air intake frameworks, 122 independent anechoic sheets, 13 noise reduction gates, 14 air draft assemblies, 141 axial flow blowers, 142 air-discharge silencers, 143 is controller, vibration and noise reducing structure bottom 2, vibration damping beam on 21,22 times vibration damping beams, 23 vibration isolators, 2 first rubber blankets, 25 steel plates, 26 second rubber blankets, 27 lightening holes, 28 the 3rd rubber blankets, 3 transformers.
Embodiment
Below in conjunction with Figure of description, the technical solution of the utility model is further described.
As Figure 1-3, a kind of transformer vibration damping denoising device of the present utility model, comprise peripheral denoising structure 1 and bottom vibration and noise reducing structure 2, described peripheral denoising structure 1 comprises and surrounds enclosing cover 11 by sound-absorbing partition, described sound-absorbing partition is composite construction board, comprise perforation galvanized steel plain sheet, mineral wool layer, damping sound insulation felt and galvanized steel plain sheet from inside to outside successively, transformer 3 covers therein by enclosing cover 11, the front side of enclosing cover 11 is provided with air intake assembly 12 and noise reduction gate 13, and the end face of enclosing cover 11 is provided with multiple air draft assembly 14.
Described air intake assembly 12 comprises air intake framework 121, and air intake framework 121 is arranged on installing hole reserved on front side of enclosing cover 11, is provided with independent anechoic sheet 122 in air intake framework 121.Described air draft assembly 14 comprises the controller 143 of axial flow blower 141, air-discharge silencer 142 and Control Shaft flow fan 141, described axial flow blower 141 is arranged on the end face of airtight cover body and inner towards airtight cover body, air-discharge silencer 142 is arranged on the air outlet place outside axial flow blower 141, and controller 143 is arranged on the outside of airtight cover body for Control Shaft flow fan 141 start and stop.
Described bottom vibration and noise reducing structure 2 comprises vibration damping beam 21 and two lower vibration damping beams 22, described two upper vibration damping beams 21 are disposed side by side on the bottom of transformer 3, lower vibration damping beam 22 and upper vibration damping beam 21 mutually vertical interlaced are arranged, lower vibration damping beam 22 is fixedly installed multiple vibration isolator 23, the below of described vibration isolator 23 is disposed with the first rubber blanket 24, steel plate 25 and the second rubber blanket 26, and vibration isolator 23 is fixing with mattess basis by the first rubber blanket 24, steel plate 25 and the second rubber blanket 26.
Described upper vibration damping beam 21 and lower vibration damping beam 22 all adopt channel-section steel, and the channel-section steel of upper vibration damping beam 21 is provided with lightening hole 27.Adopt channel-section steel structure simple, easily manufactured, cost is lower, and offers lightening hole 27 on upper vibration damping beam 21, alleviates the weight of upper vibration damping beam 21.The 3rd rubber blanket 28 is provided with between upper vibration damping beam 21 and lower vibration damping beam 22.
Select the load-bearing of each vibration isolator 23 during vibration isolator 23 impartial, and before and after transformer 3, distribution of weight is uneven, will find transformer 3 position of centre of gravity during installation accurately, ensures that each unit vibration isolator 23 decrement is substantially identical.Also to ensure integrally-built stability in addition, adopt channel-section steel that each vibration isolator 23 is connected into junior unit, can stability be increased.The basis of mounting dampers 23 must be smooth, require vibration isolator 23 after mounting each strong point be positioned at same level height.
The sound-absorbing partition of compound effectively can absorb transformer 3 and vibrate the low frequency signal produced, and prevents low frequency signal by ambient air outwardly radiation.And air intake assembly 12 and air draft assembly 14 is provided with on airtight cover body 11, air intake assembly 12 and air draft assembly 14 can not only effectively reduce the noise of transformer 3, can also ensure the ventilation and heat performance in airtight cover body 11 simultaneously.
In order to reduce the noise produced when transformer 3 runs further, the ground around described bottom vibration and noise reducing structure 2 is equipped with sand layer.First transformer 3 reduces after vibration, minimizing noise through bottom vibration and noise reducing structure 2, and transformer 3 runs the noise produced and can be absorbed sound by sand layer when radiation towards periphery.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (6)
1. a transformer vibration damping denoising device, comprises peripheral denoising structure (1) and bottom vibration and noise reducing structure (2), it is characterized in that,
Described peripheral denoising structure (1) comprises and surrounds enclosing cover (11) by sound-absorbing partition, be arranged on the air intake assembly (12) of enclosing cover (11) front side and noise reduction gate (13) and be arranged on multiple air draft assemblies (14) of enclosing cover (11) end face, described sound-absorbing partition is composite construction board, comprise perforation galvanized steel plain sheet, mineral wool layer, damping sound insulation felt and galvanized steel plain sheet from inside to outside successively, described enclosing cover (11) by transformer (3) cover therein
Described bottom vibration and noise reducing structure (2) comprises two upper vibration damping beams (21) and two lower vibration damping beams (22), described two upper vibration damping beams (21) are fixedly mounted on the bottom bay of transformer (3) side by side, described two lower vibration damping beams (22) arrange with the mutual vertical interlaced of upper vibration damping beam (21) and fixedly mount, and lower vibration damping beam (22) are installed with multiple vibration isolator (23) fixing with mattess basis.
2. a kind of transformer vibration damping denoising device according to claim 1, it is characterized in that, described air intake assembly (12) comprises air intake framework (121) and anechoic sheet (122), described air intake framework (121) is arranged on the reserved installing hole in enclosing cover (11) front side, is provided with independent anechoic sheet (122) in air intake framework (121).
3. a kind of transformer vibration damping denoising device according to claim 1, it is characterized in that, described air draft assembly (14) comprises axial flow blower (141), the controller (143) of air-discharge silencer (142) and Control Shaft flow fan (141), described axial flow blower (141) is arranged on the end face of airtight cover body (11) and inner towards airtight cover body, described air-discharge silencer (142) is arranged on the air outlet place in axial flow blower (141) outside, the outside that described controller (143) is arranged on airtight cover body (11) is used for Control Shaft flow fan (141) start and stop.
4. a kind of transformer vibration damping denoising device according to claim 1, it is characterized in that, described upper vibration damping beam (21) and lower vibration damping beam (22) all adopt channel-section steel to make, the channel-section steel of upper vibration damping beam (21) is provided with lightening hole (27), the below of described vibration isolator (23) is disposed with the first rubber blanket (24), steel plate (25) and the second rubber blanket (26), and vibration isolator (23) is fixing with mattess basis by the first rubber blanket (24), steel plate (25) and the second rubber blanket (26).
5. a kind of transformer vibration damping denoising device according to claim 4, is characterized in that, is provided with the 3rd rubber blanket (28) between described upper vibration damping beam (21) and lower vibration damping beam (22).
6. a kind of transformer vibration damping denoising device according to arbitrary one of claim 1-5, is characterized in that, mattess basis is around equipped with sand layer in described bottom vibration and noise reducing structure (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520456003.6U CN204680532U (en) | 2015-06-29 | 2015-06-29 | A kind of transformer vibration damping denoising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520456003.6U CN204680532U (en) | 2015-06-29 | 2015-06-29 | A kind of transformer vibration damping denoising device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204680532U true CN204680532U (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520456003.6U Expired - Fee Related CN204680532U (en) | 2015-06-29 | 2015-06-29 | A kind of transformer vibration damping denoising device |
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| Country | Link |
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| CN (1) | CN204680532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601453A (en) * | 2017-01-22 | 2017-04-26 | 保定天威保变电气股份有限公司 | Transformer vibration damping device and using method thereof |
| CN107170565A (en) * | 2017-07-04 | 2017-09-15 | 合肥东玖电气有限公司 | A kind of high-low voltage transformer |
-
2015
- 2015-06-29 CN CN201520456003.6U patent/CN204680532U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601453A (en) * | 2017-01-22 | 2017-04-26 | 保定天威保变电气股份有限公司 | Transformer vibration damping device and using method thereof |
| CN107170565A (en) * | 2017-07-04 | 2017-09-15 | 合肥东玖电气有限公司 | A kind of high-low voltage transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 |