CN204457361U - A kind of sound insulation roller shutter of the transformer chamber's noise reduction for transformer and distribution power station - Google Patents
A kind of sound insulation roller shutter of the transformer chamber's noise reduction for transformer and distribution power station Download PDFInfo
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- CN204457361U CN204457361U CN201520131854.3U CN201520131854U CN204457361U CN 204457361 U CN204457361 U CN 204457361U CN 201520131854 U CN201520131854 U CN 201520131854U CN 204457361 U CN204457361 U CN 204457361U
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- insulating felt
- guide groove
- transformer chamber
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Abstract
The utility model relates to a kind of sound insulation roller shutter of the transformer chamber's noise reduction for transformer and distribution power station, comprises spool, motor, sound-insulating felt and bottom girder, and described spool is arranged on the top of the door opening at the gate of described transformer chamber by spool bearing; The output shaft of described motor is connected with one end of described spool; The top edge of described sound-insulating felt fixes winding on said reel, and the lower limb of described sound-insulating felt is fixedly connected with described bottom girder; The left and right side of the door opening at the gate of described transformer chamber is provided with left guide groove and right guide groove respectively correspondingly, described left guide groove and right guide groove are all vertically arranged, the left side of described sound-insulating felt is connected in described left guide groove with can going up downslide, and the right side of described sound-insulating felt is connected in described right guide groove with can going up downslide.Sound insulation roller shutter quality of the present utility model is light, sound insulation property good, is arranged on the inner side at transformer chamber gate, can reduce main transformer room noise through the outside propagation of transformer chamber's gate crack between a door and its frame.
Description
Technical field
The utility model relates to field of environment engineering technology, particularly relates to a kind of sound insulation roller shutter of the transformer chamber's noise reduction for transformer and distribution power station.
Background technology
10kV transformer and distribution power station is often all comparatively near apart with residential building, though the noise of 10kV transformer and distribution power station is not high, because distance is near, the noise in transformer and distribution power station still can have an impact to residential building, and the noise also often causing resident is complained.
Main Noise Sources in 10kV transformer and distribution power station is the 10kV transformer in transformer chamber, the body of wall of 10kV transformer and distribution power station transformer chamber is blockwork, thickness is at more than 200mm, sound insulation factor is at more than 40dB, therefore the acoustic energy outwards propagated through body of wall is very limited, and one of main path that noise is outwards propagated is the gate of transformer chamber.The gate of transformer chamber is generally color steel sandwich plate door, the sound insulation factor of door leaf or reasonable, but owing to not being the soundproof door of specialty, door four limits and two fan door leaves between gaps all very large, and there is no seal approach, therefore leak statement and show, affect the overall defening effect at gate.If gate to be replaced by the soundproof door of specialty, then can obtain good noise reduction, but cost is higher, weight ratio is comparatively large, and difficulty of construction is also larger.
Summary of the invention
The purpose of this utility model, exactly in order to solve above-mentioned prior art Problems existing, and a kind of sound insulation roller shutter of the transformer chamber's noise reduction for transformer and distribution power station is provided, quality is light, sound insulation property good, be arranged on the inner side at transformer chamber gate, main transformer room noise can be reduced through the outside propagation of transformer chamber's gate crack between a door and its frame, the noise reduction at transformer chamber gate can be made to improve more than 5dB (A), meet the needs of 10kV transformer and distribution power station noise reduction.
The technical scheme realizing above-mentioned purpose is: a kind of sound insulation roller shutter of the transformer chamber's noise reduction for transformer and distribution power station, is arranged on the inner side at the gate of described transformer chamber, and described sound insulation roller shutter comprises spool, motor, sound-insulating felt and bottom girder, wherein:
Described spool is arranged on the top of the door opening at the gate of described transformer chamber by spool bearing;
The output shaft of described motor is connected with one end of described spool;
Described sound-insulating felt is horizontally arranged with some press strips be parallel to each other, described sound-insulating felt is vertically provided with some bandage strips be parallel to each other, the top edge of described sound-insulating felt fixes winding on said reel, and the lower limb of described sound-insulating felt is fixedly connected with described bottom girder;
The left and right side of the door opening at the gate of described transformer chamber is provided with left guide groove and right guide groove respectively correspondingly, described left guide groove and right guide groove are all vertically arranged, the left side of described sound-insulating felt is connected in described left guide groove with can going up downslide, and the right side of described sound-insulating felt is connected in described right guide groove with can going up downslide.
The sound insulation roller shutter of above-mentioned a kind of transformer chamber's noise reduction for transformer and distribution power station, wherein, the thickness of described sound-insulating felt is no more than 2mm, and sound insulation factor is greater than 20dB, and surface density is no more than 4kg/m
2.
The sound insulation roller shutter of above-mentioned a kind of transformer chamber's noise reduction for transformer and distribution power station, wherein, the left and right side of the top of the door opening at the gate of described transformer chamber arranges spool bearing described in respectively, and described spool is connected across between these two spool bearings.
The sound insulation roller shutter of above-mentioned a kind of transformer chamber's noise reduction for transformer and distribution power station, wherein, described some press strips are distributed on described sound-insulating felt, and described some bandage strips are distributed on described sound-insulating felt.
Compared with prior art, the beneficial effect of the sound insulation roller shutter of the transformer chamber's noise reduction for transformer and distribution power station of the present utility model is: the thickness of sound insulation roller shutter is thin, is no more than 2mm, and quality is light, and surface density is no more than 6kg/m2; The sound insulation property of sound insulation roller shutter is good, and the sound insulation factor of the sound-insulating felt of composition sound insulation roller shutter is greater than 20dB, installs sound insulation roller shutter and the noise reduction at transformer chamber gate can be made to improve more than 5dB (A); The cost of sound insulation roller shutter is low, fire-retardant, environmental protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of sound insulation roller shutter of the present utility model.
Detailed description of the invention
In order to make those skilled in the art can understand the technical solution of the utility model better, below in conjunction with accompanying drawing, the utility model is described in further detail.
Refer to Fig. 1, embodiment of the present utility model, a kind of sound insulation roller shutter of the transformer chamber's noise reduction for transformer and distribution power station, comprises spool 1, motor 2, sound-insulating felt 3 and bottom girder 4.
The left and right side of the top of the door opening at the gate of transformer chamber arranges a spool bearing 5 respectively, and spool 1 is connected across between these two spool bearings 5, and spool 1 is arranged on the top of the door opening at the gate of transformer chamber by spool bearing 5; The output shaft of motor 2 is connected with one end of spool 1.
Sound-insulating felt 3 is horizontally arranged with some press strips 6 be parallel to each other, sound-insulating felt 3 is vertically provided with some bandage strips 7 be parallel to each other, some press strips 6 are distributed on sound-insulating felt 3, and some bandage strips 7 are distributed on sound-insulating felt 3.Press strip 6 ensures the smooth of sound-insulating felt 3, and utilizes bandage strip 7 to be together in series by each press strip 6 in the vertical direction of press strip 6, is born the weight of sound insulation roller shutter, prevent sound-insulating felt 3 be out of shape or rupture by bandage strip 7.The top edge of sound-insulating felt 3 fixes winding on spool 1, and the lower limb of sound-insulating felt 3 is fixedly connected with bottom girder 4, and bottom girder 4 can ensure that sound insulation roller shutter smoothly falls.
The left and right side of the door opening at the gate of transformer chamber is provided with left guide groove 81 and right guide groove 82 respectively correspondingly, left guide groove 81 and right guide groove 82 are all vertically arranged, the left side of sound-insulating felt 3 is connected in left guide groove 81 with can going up downslide, and the right side of sound-insulating felt 3 is connected in right guide groove 82 with can going up downslide.
The thickness of sound-insulating felt 3 is no more than 2mm, and sound insulation factor is greater than 20dB, and surface density is no more than 4kg/m
2.
Sound-insulating felt 3 from top to bottom can be spliced successively by polylith felt body and form, and press strip 6 is arranged on edge joint position, can be used to ensure the smooth of sound-insulating felt 1.
Sound insulation roller shutter of the present utility model, quality is light, sound insulation property good, be arranged on the inner side at transformer chamber gate, main transformer room noise can be reduced through the outside propagation of transformer chamber's gate crack between a door and its frame, the noise reduction at transformer chamber gate can be made to improve more than 5dB (A), meet the needs of 10kV transformer and distribution power station noise reduction.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, when not departing from spirit and scope of the present utility model, various conversion or modification can also be made, therefore all equivalent technical schemes also should belong to category of the present utility model, should be limited by each claim.
Claims (4)
1. for a sound insulation roller shutter for transformer chamber's noise reduction of transformer and distribution power station, be arranged on the inner side at the gate of described transformer chamber, it is characterized in that, described sound insulation roller shutter comprises spool, motor, sound-insulating felt and bottom girder, wherein:
Described spool is arranged on the top of the door opening at the gate of described transformer chamber by spool bearing;
The output shaft of described motor is connected with one end of described spool;
Described sound-insulating felt is horizontally arranged with some press strips be parallel to each other, described sound-insulating felt is vertically provided with some bandage strips be parallel to each other, the top edge of described sound-insulating felt fixes winding on said reel, and the lower limb of described sound-insulating felt is fixedly connected with described bottom girder;
The left and right side of the door opening at the gate of described transformer chamber is provided with left guide groove and right guide groove respectively correspondingly, described left guide groove and right guide groove are all vertically arranged, the left side of described sound-insulating felt is connected in described left guide groove with can going up downslide, and the right side of described sound-insulating felt is connected in described right guide groove with can going up downslide.
2. the sound insulation roller shutter of a kind of transformer chamber's noise reduction for transformer and distribution power station according to claim 1, it is characterized in that, the thickness of described sound-insulating felt is no more than 2mm, and sound insulation factor is greater than 20dB, and surface density is no more than 4kg/m
2.
3. the sound insulation roller shutter of a kind of transformer chamber's noise reduction for transformer and distribution power station according to claim 1 and 2, it is characterized in that, the left and right side of the top of the door opening at the gate of described transformer chamber arranges spool bearing described in respectively, and described spool is connected across between these two spool bearings.
4. the sound insulation roller shutter of a kind of transformer chamber's noise reduction for transformer and distribution power station according to claim 1, it is characterized in that, described some press strips are distributed on described sound-insulating felt, and described some bandage strips are distributed on described sound-insulating felt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520131854.3U CN204457361U (en) | 2015-03-09 | 2015-03-09 | A kind of sound insulation roller shutter of the transformer chamber's noise reduction for transformer and distribution power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520131854.3U CN204457361U (en) | 2015-03-09 | 2015-03-09 | A kind of sound insulation roller shutter of the transformer chamber's noise reduction for transformer and distribution power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204457361U true CN204457361U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520131854.3U Active CN204457361U (en) | 2015-03-09 | 2015-03-09 | A kind of sound insulation roller shutter of the transformer chamber's noise reduction for transformer and distribution power station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675305A (en) * | 2015-03-09 | 2015-06-03 | 国网上海市电力公司 | Sound insulating shutter for noise reduction of main transform chamber of transform and distribution power station |
| CN109003785A (en) * | 2018-07-12 | 2018-12-14 | 深圳市乐业科技有限公司 | A kind of transformer with antifreeze function |
| CN110497319A (en) * | 2018-05-17 | 2019-11-26 | 厦门嘉达环保科技有限公司 | Polishing operation combined dust-eliminating noise reduction system |
-
2015
- 2015-03-09 CN CN201520131854.3U patent/CN204457361U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675305A (en) * | 2015-03-09 | 2015-06-03 | 国网上海市电力公司 | Sound insulating shutter for noise reduction of main transform chamber of transform and distribution power station |
| CN110497319A (en) * | 2018-05-17 | 2019-11-26 | 厦门嘉达环保科技有限公司 | Polishing operation combined dust-eliminating noise reduction system |
| CN109003785A (en) * | 2018-07-12 | 2018-12-14 | 深圳市乐业科技有限公司 | A kind of transformer with antifreeze function |
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