CN203588824U - Suspension dry type transformer system based on damping mechanism - Google Patents
Suspension dry type transformer system based on damping mechanism Download PDFInfo
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- CN203588824U CN203588824U CN201320839872.8U CN201320839872U CN203588824U CN 203588824 U CN203588824 U CN 203588824U CN 201320839872 U CN201320839872 U CN 201320839872U CN 203588824 U CN203588824 U CN 203588824U
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- Prior art keywords
- damping
- damping mechanism
- dry
- dry type
- metal cabinet
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- Expired - Lifetime
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- 238000013016 damping Methods 0.000 title claims abstract description 85
- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 239000000725 suspension Substances 0.000 title claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 230000009466 transformation Effects 0.000 claims description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000002889 sympathetic effect Effects 0.000 description 1
Images
Abstract
The utility model discloses a suspension dry type transformer system based on a damping mechanism. A three-phase transformer bank consisting of three dry type transformers is suspended on the top of a metal box through first damping mechanisms. Meanwhile, connecting post heads are flexibly connected with the dry type transformers through flexible leads, and the dry type transformers are not rigidly connected with the metal box or a building floor and a basic structure. In the first damping mechanisms, damping springs in damping devices can be used for effectively reducing vibration delivery between the transformers and structures such as floors and wall bodies, thereby reducing the influence of the noise of the dry type transformers on the surrounding environment.
Description
Technical field
The utility model relates to electric power power transformation or distribution field, particularly a kind of suspension dry type transformation system based on damping mechanism.
Background technology
Distribution transformer is the important electrical of transmission in power distribution network, distribution electric energy, because distribution transformer is layouted by principles such as approaching load center, line convenience, thereby cause distribution transformer can be close to the people office space of living, its in service produced noise can cause certain influence to surrounding enviroment, in GB GB 3096-2008 < < standard for acoustic environmental quality > >, the ambient noise of relevant range is had to corresponding limit value.
The vibration that the noise of distribution transformer is mainly caused under magnetic fields by iron core, winding is produced, and the type noise belongs to low frequency noise and inevitable, is mainly by structure acoustic, easily causes people's sensation sympathetic response.The body of existing interior distribution transformer is installed and conventionally below its basic steel, is placed vibrationproof rubber cushion, 10kV inlet wire cable is connected with transformer 10kV side joint line pile crown by connecting copper bar, the outlet of transformer 0.4kV side selects cable or low voltage bus bar groove to be connected with 0.4kV equipment according to capacity of distribution transform, but because vibrationproof rubber cushion effectiveness in vibration suppression is not obvious, when if transformer foundation is connected with building floor or foundation structure, the low frequency noise that transformer vibration produces can be passed to other room by building floor or foundation structure, its noise side of room that more approaches transformer room is larger.In addition, transformer 10kV side is owing to adopting copper bar to connect, the low frequency noise that transformer vibration produces also can be passed to building masonry wall, floor or ground by copper bar, support framework, be passed to again other room, thereby increased the propagation path of low frequency noise, if transformer 0.4kV side adopts low voltage bus bar groove outlet to there will be equally this kind of situation.
Utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of effective reduction dry-type transformer the noise generated suspension dry type transformation system based on damping mechanism.
The technical scheme that the invention for solving the technical problem adopts is:
A kind of suspension dry type transformation system based on damping mechanism, comprise the three-phase transformation group being formed by three dry-type transformers, the transformer bay of described three-phase transformation group is connected to form high pressure winding by high pressure connecting rod, on dry-type transformer, be also provided with transfer the files interface and the brace of transferring the files for transferring the files, described three-phase transformation group also comprises for the fixing folder of dry-type transformer, described folder is provided with copper bar, on described copper bar, be provided with wiring pile crown, described wiring pile crown flexibly connects by flexible conductor and dry-type transformer, described three-phase transformation group is placed in a metal cabinet, described three-phase transformation group is suspended on the top of metal cabinet by the first damping mechanism, described damping mechanism comprises shock-damping connector, described shock-damping connector is fixedly connected on the top of metal cabinet, on shock-damping connector, have damping chamber, described damping is installed with damping element in chamber, described damping element comprises upper mounted plate, bottom plate and be arranged on upper mounted plate and bottom plate between a plurality of damping springs, fixed plate is fixed on shock-damping connector, also comprise the suspention connector that lower end is fixedly connected with folder, the top of described suspention connector is fixedly connected with bottom plate by bolt.
Further, described the first damping mechanism is provided with two, and three-phase transformation group is suspended on the top of metal cabinet by two above-mentioned the first damping mechanisms.
Further, the bottom of described metal cabinet is provided with the second damping mechanism, described the second damping mechanism comprises the feet that is fixed on metal cabinet bottom, the below of described feet is provided with snubber block, the upper end of described snubber block is provided with the damping spring breach concaving, in described damping spring breach, be provided with damping element, the upper mounted plate of described damping element is connected with feet, and the bottom plate of damping element is connected with snubber block.
Further, the below of described snubber block is also provided with quakeproof rubber pad.
The beneficial effects of the utility model are: a kind of suspension dry type transformation system based on damping mechanism that the utility model adopts, the three-phase transformation group forming by three dry-type transformers, between dry-type transformer, by high pressure connecting rod, be connected to form high pressure winding, and be provided with transfer the files interface and the brace of transferring the files that can be used for transferring the files, user can regulate dry-type transformer by the transfer the files position of brace of adjusting, described three-phase transformation group is suspended on the top of metal cabinet by the first damping mechanism, the pile crown of wiring simultaneously flexibly connects by flexible conductor and dry-type transformer, make dry-type transformer not with metal cabinet or with building floor and foundation structure rigid connection, in the first damping mechanism, damping spring in damping element can effectively reduce transformer and floor, the interstructural vibration transmission such as body of wall, thereby reduce the noise effect of dry-type transformer to surrounding enviroment, by on-the-spot test, in transformer noise value, meeting transformer dispatches from the factory under the prerequisite of standard, the level of noise of the level of noise of way name transformer surrounding enviroment during than former ruuning situation reduces approximately 5 decibels, the body of wall of adjacent rooms, the seismaesthesia of floor significantly decreases.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model damping element.
Embodiment
With reference to Fig. 1-Fig. 2, a kind of suspension dry type transformation system based on damping mechanism of the present utility model, comprise the three-phase transformation group 1 being formed by three dry-type transformers 11, the transformer bay of described three-phase transformation group 1 is connected to form high pressure winding by high pressure connecting rod 12, on dry-type transformer 11, be also provided with transfer the files interface 13 and the brace 14 of transferring the files for transferring the files, described three-phase transformation group 1 also comprises for the fixing folder 15 of dry-type transformer 11, described folder 15 is provided with copper bar 16, on described copper bar 16, be provided with wiring pile crown 17, described wiring pile crown 17 flexibly connects by flexible conductor 18 and dry-type transformer 11, described three-phase transformation group 1 is placed in a metal cabinet 2, described three-phase transformation group 1 is suspended on the top of metal cabinet 2 by the first damping mechanism 3, described damping mechanism comprises shock-damping connector 31, described shock-damping connector 31 is fixedly connected on the top of metal cabinet 2, on shock-damping connector 31, have damping chamber, described damping is installed with damping element 5 in chamber, described damping element 5 comprises upper mounted plate 51, bottom plate 53 and be arranged on upper mounted plate 51 and bottom plate 53 between a plurality of damping springs 52, fixed plate 51 is fixed on shock-damping connector 31, also comprise the suspention connector 32 that lower end is fixedly connected with folder 15, the top of described suspention connector 32 is fixedly connected with bottom plate 53 by bolt.
Further, described the first damping mechanism 3 is provided with two, and three-phase transformation group 1 is suspended on the top of metal cabinet 2 by two above-mentioned the first damping mechanisms 3.By two the first damping mechanisms 3 are set, damping effect of the present utility model can not only be improved, and the bonding strength of 2 of three-phase transformation group 1 and metal cabinets can be improved, its reliability is higher.
Further, the bottom of described metal cabinet 2 is provided with the second damping mechanism 4, described the second damping mechanism 4 comprises the feet 41 that is fixed on metal cabinet 2 bottoms, the below of described feet 41 is provided with snubber block 42, the upper end of described snubber block 42 is provided with the damping spring breach 43 concaving, in described damping spring breach 43, be provided with damping element 5, the upper mounted plate 51 of described damping element 5 is connected with feet 41, the bottom plate 53 of damping element 5 is connected with snubber block 42, and the below of described snubber block 42 is also provided with quakeproof rubber pad 6.By the bottom at metal cabinet 2, be provided with the second damping mechanism 4, the below of snubber block 42 is provided with quakeproof rubber pad 6, can further improve damping effect of the present utility model.
The above, be preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection range of the present utility model.
Claims (4)
1. the suspension dry type transformation system based on damping mechanism, it is characterized in that: comprise the three-phase transformation group (1) being formed by three dry-type transformers (11), the transformer bay of described three-phase transformation group (1) is connected to form high pressure winding by high pressure connecting rod (12), on dry-type transformer (11), be also provided with the interface of transferring the files (13) for transferring the files and the brace of transferring the files (14), described three-phase transformation group (1) also comprises for the fixing folder (15) of dry-type transformer (11), described folder (15) is provided with copper bar (16), on described copper bar (16), be provided with wiring pile crown (17), described wiring pile crown (17) flexibly connects by flexible conductor (18) and dry-type transformer (11), described three-phase transformation group (1) is placed in a metal cabinet (2), described three-phase transformation group (1) is suspended on the top of metal cabinet (2) by the first damping mechanism (3), described damping mechanism comprises shock-damping connector (31), described shock-damping connector (31) is fixedly connected on the top of metal cabinet (2), shock-damping connector has damping chamber on (31), in described damping chamber, be installed with damping element (5), described damping element (5) comprises upper mounted plate (51), bottom plate (53) and be arranged on upper mounted plate (51) and bottom plate (53) between a plurality of damping springs (52), fixed plate (51) is fixed on shock-damping connector (31), also comprise the suspention connector (32) that lower end is fixedly connected with folder (15), the top of described suspention connector (32) is fixedly connected with bottom plate (53) by bolt.
2. a kind of suspension dry type transformation system based on damping mechanism according to claim 1, it is characterized in that: described the first damping mechanism (3) is provided with two, three-phase transformation group (1) is suspended on the top of metal cabinet (2) by above-mentioned two the first damping mechanisms (3).
3. a kind of suspension dry type transformation system based on damping mechanism according to claim 1 and 2, it is characterized in that: the bottom of described metal cabinet (2) is provided with the second damping mechanism (4), described the second damping mechanism (4) comprises the feet (41) that is fixed on metal cabinet (2) bottom, the below of described feet (41) is provided with snubber block (42), the upper end of described snubber block (42) is provided with the damping spring breach (43) concaving, in described damping spring breach (43), be provided with damping element (5), the upper mounted plate (51) of described damping element (5) is connected with feet (41), the bottom plate (53) of damping element (5) is connected with snubber block (42).
4. a kind of suspension dry type transformation system based on damping mechanism according to claim 3, is characterized in that: the below of described snubber block (42) is also provided with quakeproof rubber pad (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839872.8U CN203588824U (en) | 2013-12-18 | 2013-12-18 | Suspension dry type transformer system based on damping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839872.8U CN203588824U (en) | 2013-12-18 | 2013-12-18 | Suspension dry type transformer system based on damping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203588824U true CN203588824U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320839872.8U Expired - Lifetime CN203588824U (en) | 2013-12-18 | 2013-12-18 | Suspension dry type transformer system based on damping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203588824U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088946A (en) * | 2014-06-27 | 2014-10-08 | 重庆朗福环保科技有限公司 | Vibration damper and transformer vibration damping method |
| CN105070475A (en) * | 2015-08-07 | 2015-11-18 | 无锡市悦丰化工有限公司 | Transformer iron core structure for chemical plant |
| CN108808511A (en) * | 2018-07-17 | 2018-11-13 | 刘涛 | A kind of protective relaying device of power generation station-service high security |
| CN109189175A (en) * | 2018-09-21 | 2019-01-11 | 郑州云海信息技术有限公司 | A kind of server and its plate grade are powered vibration reducing and connecting structure |
| CN109961929A (en) * | 2019-04-22 | 2019-07-02 | 国家电网有限公司 | High-power transformer damped noise reduction device |
-
2013
- 2013-12-18 CN CN201320839872.8U patent/CN203588824U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088946A (en) * | 2014-06-27 | 2014-10-08 | 重庆朗福环保科技有限公司 | Vibration damper and transformer vibration damping method |
| CN104088946B (en) * | 2014-06-27 | 2017-06-06 | 重庆朗福环保科技有限公司 | A kind of vibration absorber and transformer vibration damping method |
| CN105070475A (en) * | 2015-08-07 | 2015-11-18 | 无锡市悦丰化工有限公司 | Transformer iron core structure for chemical plant |
| CN108808511A (en) * | 2018-07-17 | 2018-11-13 | 刘涛 | A kind of protective relaying device of power generation station-service high security |
| CN109189175A (en) * | 2018-09-21 | 2019-01-11 | 郑州云海信息技术有限公司 | A kind of server and its plate grade are powered vibration reducing and connecting structure |
| CN109961929A (en) * | 2019-04-22 | 2019-07-02 | 国家电网有限公司 | High-power transformer damped noise reduction device |
| CN109961929B (en) * | 2019-04-22 | 2024-03-12 | 国家电网有限公司 | Large-scale transformer damping and noise reducing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |