CN206363868U - A kind of dry-type transformer - Google Patents
A kind of dry-type transformer Download PDFInfo
- Publication number
- CN206363868U CN206363868U CN201621490307.5U CN201621490307U CN206363868U CN 206363868 U CN206363868 U CN 206363868U CN 201621490307 U CN201621490307 U CN 201621490307U CN 206363868 U CN206363868 U CN 206363868U
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- noise reduction
- coil
- reduction layer
- clamping piece
- insulating
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Abstract
A kind of dry-type transformer, including iron core, coil, upper clamping piece, lower clamping piece and insulating cylinder, the iron core has several stems, the coil is arranged with respectively on each stem, the top of the iron core is provided with the upper clamping piece, the bottom of the iron core is provided with the lower clamping piece, the coil and is inserted with the insulating cylinder；The insulating cylinder includes insulating barrier, glue-line and noise reduction layer, and the glue-line is located between the insulating barrier and institute's noise reduction layer, and the noise reduction layer is corrugated, and some bloops are offered in the noise reduction layer.The utility model includes the insulating barrier of both sides by improving the structure of insulating cylinder, insulating cylinder, and the noise reduction layer and glue-line being folded between two insulating barriers.So that insulating cylinder not only has the effect of insulation, the effect also with noise reduction, vibration damping greatly reduces the noise of transformer.Noise reduction layer increases noise reduction area, and also further improve erasure effect by opening up bloop by the bulge-structure of ripple.
Description
Technical field
The utility model is related to Dry-Transformer Technology field, more particularly to a kind of dry-type transformer of low noise.
Background technology
Power transformer and reactor operation because the magnetostrictive effect of permeability magnetic material can produce iron core in use, make an uproar
Sound, the alternating electromagnetic force that coil is subject to can send winding load noise, and the cooling fan and oil pump device of auxiliary can produce fan
Oil pump running noises, these noises can increase ambient noise.The running noises of servicing unit are administered, many design of transformer
When just do not use fan and oil pump；On the other hand, also there is the Treatment process of more ripe servicing unit running noises.How to drop
The noise of low transformer, remains important R＆D direction.
Utility model content
The purpose of this utility model is to overcome the shortcoming of prior art, and there is provided a kind of dry-type transformer of low noise.
In order to solve the above technical problems, the utility model employs following technical measures：
A kind of dry-type transformer, including iron core, coil, upper clamping piece, lower clamping piece and insulating cylinder, the iron core have several
The coil is arranged with stem, each stem respectively, the top of the iron core is provided with the upper clamping piece, the iron core
Bottom is provided with the lower clamping piece, the coil and is inserted with the insulating cylinder；The insulating cylinder includes insulating barrier, glue-line and disappeared
Sound-absorbing layer, the glue-line is located between the insulating barrier and institute's noise reduction layer, and the noise reduction layer is corrugated, is opened up in the noise reduction layer
There are some bloops.
The utility model can also be further perfect by following technical measures：
As a further improvement, the noise reduction layer has the arc convex of multiple permutation arrangements, the arc convex is in length
Bar shaped, the adjacent arc convex is connected with each other, and the arc convex is arranged along the axial direction of the coil, or the arc is convex
Rise along the axial direction of the vertical coil and arrange.
As a further improvement, the coil includes high-tension coil and low-voltage coil, the insulating cylinder is located at the high pressure
Between coil and the low-voltage coil, the noise reduction layer is set towards the stem.
As a further improvement, the noise reduction layer is adopted and is made from an insulative material, the noise reduction layer is towards the stem side
Have additional insulating barrier.
As a further improvement, also including insulator, the coil leads to and is connected with connection on joint, the joint
Bar, is provided with the insulator between the upper clamping piece and the connecting rod；The insulator includes insulating body and fast-assembling seat, institute
State fast-assembling seat to be fixed on the side wall of the upper clamping piece, described insulating body one end is connected with the connecting rod, the insulation is originally
The other end of body is stretched into the fast-assembling seat and its clamping.
As a further improvement, the other end of the insulating body is sequentially provided with conus portion and fixed part, the fixed part
Side wall provided with it is some detection set fixture blocks；The fast-assembling seat offers mounting hole, if the mounting hole inwall is provided with
Spaced projection is done, the fixture block coordinates with the projection fits together the insulating body with fast-assembling seat.
Compared with prior art, the utility model has advantages below：
By improving the structure of insulating cylinder, insulating cylinder includes the insulating barrier of both sides, and is folded between two insulating barriers
Noise reduction layer and glue-line.So that insulating cylinder not only has the effect of insulation, the effect also with noise reduction, vibration damping is greatly reduced
The noise of transformer.Noise reduction layer increases noise reduction area by the bulge-structure of ripple, and also by opening up bloop, further
Improve erasure effect.
Brief description of the drawings
Accompanying drawing 1 is the schematic diagram of the dry-type transformer of the utility model low noise；
Accompanying drawing 2 is the schematic diagram of insulating cylinder in the dry-type transformer of low noise shown in accompanying drawing 1；
Accompanying drawing 3 is the schematic diagram of insulator in the dry-type transformer of low noise shown in accompanying drawing 1.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is refer to, a kind of dry-type transformer includes iron core 12, coil 11, upper clamping piece 22, lower clamping piece 21 and insulating cylinder
50, the iron core 12 has is arranged with the coil 11 respectively on several stems, each stem, the iron core 12 it is upper
Portion is provided with the upper clamping piece 22, the bottom of the iron core 12 be provided with the lower clamping piece 21, the coil 11 be inserted with it is described absolutely
Edge cylinder 50.
Fig. 2 is refer to, the insulating cylinder 50 includes insulating barrier 53, glue-line 52 and noise reduction layer 51, and the glue-line 52 is located at
Between the insulating barrier 53 and institute's noise reduction layer 51, the noise reduction layer 51 is corrugated, and some disappear is offered in the noise reduction layer 51
Sound hole 511.By improving the structure of insulating cylinder 50, insulating cylinder 50 includes the insulating barrier 53 of both sides, and is folded in two insulation
Noise reduction layer 51 and glue-line 52 between layer 53.So that insulating cylinder 50 not only has the effect of insulation, the work also with noise reduction, vibration damping
With, greatly reduce transformer noise.Noise reduction layer 51 increases noise reduction area by the bulge-structure of ripple, and also by opening
If bloop 511, further improves erasure effect.
It refer to Fig. 2, it is preferred that the noise reduction layer 51 has the arc convex that multiple permutations are arranged, the arc convex
Elongated, the adjacent arc convex is connected with each other, and the arc convex is arranged along the axial direction of the coil 11, or described
Axial direction arrangement of the arc convex along the vertical coil 11.The coil 11 includes high-tension coil 11 and low-voltage coil 11, described
Insulating cylinder 50 is located between the high-tension coil 11 and the low-voltage coil 11, and the noise reduction layer 51 is set towards the stem.
The noise reduction layer 51, which is adopted, to be made from an insulative material, and the noise reduction layer 51 has additional insulating barrier 53 towards the stem side.
Fig. 1, in addition to insulator 30 are refer to, the coil 11 leads to and is connected with connecting rod on joint, the joint
40, the insulator 30 is provided between the upper clamping piece 22 and the connecting rod 40；The insulator 30 includes insulating body 31
With fast-assembling seat 32, the fast-assembling seat 32 is fixed on the side wall of the upper clamping piece 22, described one end of insulating body 31 and the company
Extension bar 40 is connected, and the other end of the insulating body 31 is stretched into the fast-assembling seat 32 and its clamping.By on insulator 30
The fast-assembling seat 32 of fast-assembling is easy in design, and insulating body is stretched into fast-assembling seat 32 and its clamping, assembling is completed.It is exhausted compared to traditional
Edge 30 and upper clamping piece 22 by threaded rod bolt connection come it is easy.
Fig. 3 is refer to, the other end of the insulating body 31 is sequentially provided with conus portion 311 and fixed part 312, the fixation
The fixture block 313 that the side wall in portion 312 is set provided with some detections；The fast-assembling seat 32 offers mounting hole 321, the mounting hole
321 inwalls are provided with some spaced projections 322, and the fixture block 313 coordinates the insulating body with the projection 322
31 fit together with fast-assembling seat 32.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements done etc. should be included in the utility model
Within the scope of protection.
Claims (6)
1. a kind of dry-type transformer, it is characterised in that including iron core, coil, upper clamping piece, lower clamping piece and insulating cylinder, the iron core
With several stems, the coil is arranged with each stem respectively, the top of the iron core is provided with the upper clamping piece,
The bottom of the iron core is provided with the lower clamping piece, the coil and is inserted with the insulating cylinder；The insulating cylinder include insulating barrier,
Glue-line and noise reduction layer, the glue-line are located between the insulating barrier and institute's noise reduction layer, and the noise reduction layer is corrugated, described to disappear
Some bloops are offered in sound-absorbing layer.
2. dry-type transformer according to claim 1, it is characterised in that the noise reduction layer has the arc of multiple permutation arrangements
Shape is raised, and the arc convex is elongated, and the adjacent arc convex is connected with each other, and the arc convex is along the coil
Axially arrangement, or axial direction arrangement of the arc convex along the vertical coil.
3. dry-type transformer according to claim 1, it is characterised in that the coil includes high-tension coil and low-voltage line
Circle, the insulating cylinder is located between the high-tension coil and the low-voltage coil, and the noise reduction layer is set towards the stem.
4. dry-type transformer according to claim 3, it is characterised in that the noise reduction layer, which is adopted, to be made from an insulative material, institute
State noise reduction layer and have additional insulating barrier towards the stem side.
5. dry-type transformer according to claim 1, it is characterised in that also including insulator, the coil, which is led to, to be connect
Connecting rod is connected with head, the joint, the insulator is provided between the upper clamping piece and the connecting rod；The insulator
Including insulating body and fast-assembling seat, the fast-assembling seat is fixed on the side wall of the upper clamping piece, described insulating body one end and institute
Connecting rod connection is stated, the other end of the insulating body is stretched into the fast-assembling seat and its clamping.
6. dry-type transformer according to claim 5, it is characterised in that the other end of the insulating body is sequentially provided with circle
Tapering and fixed part, fixture block of the side wall provided with some detection settings of the fixed part；The fast-assembling seat offers mounting hole,
The mounting hole inwall is provided with some spaced projections, the fixture block and the projection coordinate by the insulating body with
The fast-assembling seat is fitted together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490307.5U CN206363868U (en) | 2016-12-30 | 2016-12-30 | A kind of dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490307.5U CN206363868U (en) | 2016-12-30 | 2016-12-30 | A kind of dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206363868U true CN206363868U (en) | 2017-07-28 |
Family
ID=59379054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621490307.5U Active CN206363868U (en) | 2016-12-30 | 2016-12-30 | A kind of dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206363868U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735462A (en) * | 2018-05-22 | 2018-11-02 | 河南龙翔电气股份有限公司 | A kind of noise reduction folder of amorphous alloy transformer |
| CN110706907A (en) * | 2019-10-11 | 2020-01-17 | 国网山东省电力公司潍坊市寒亭区供电公司 | Low-energy-consumption low-noise dry-type transformer |
| CN113903567A (en) * | 2021-09-30 | 2022-01-07 | 无锡希恩电气有限公司 | High-frequency high-power noise reduction transformer |
-
2016
- 2016-12-30 CN CN201621490307.5U patent/CN206363868U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735462A (en) * | 2018-05-22 | 2018-11-02 | 河南龙翔电气股份有限公司 | A kind of noise reduction folder of amorphous alloy transformer |
| CN110706907A (en) * | 2019-10-11 | 2020-01-17 | 国网山东省电力公司潍坊市寒亭区供电公司 | Low-energy-consumption low-noise dry-type transformer |
| CN113903567A (en) * | 2021-09-30 | 2022-01-07 | 无锡希恩电气有限公司 | High-frequency high-power noise reduction transformer |
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