CN208093341U - A kind of anti-sudden short circuit structure of oil-immersed transformer - Google Patents
A kind of anti-sudden short circuit structure of oil-immersed transformer Download PDFInfo
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- CN208093341U CN208093341U CN201820438572.1U CN201820438572U CN208093341U CN 208093341 U CN208093341 U CN 208093341U CN 201820438572 U CN201820438572 U CN 201820438572U CN 208093341 U CN208093341 U CN 208093341U
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- transformer
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- side clamping
- clamping plate
- oil
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Abstract
The utility model discloses a kind of anti-sudden short circuit structures of oil-immersed transformer, it include the transformer coil group being made of multiple transformer coils being arranged side by side, wherein, each transformer coil includes coil windings and iron core, further include having two groups of clamp systems for being arranged in transformer coil group upper and lower ends respectively and two are respectively arranged in the side clamping plate of transformer coil group both sides, wherein, clamp system described in every group includes that there are two the folders for multiple core ends that are fixedly clamped, it is connected by the other screw rod being preset between two folders with group, it is connected by the drawing screw rod being preset between the folder of difference group；Multiple coil windings that are fixedly clamped are matched by two side clamping plates；Each side clamping plate both ends are connected with two folders of two groups of clamp systems by the all-teeth screw being preset with respectively；Each cleat insulator is additionally provided between the side clamping plate and coil windings.
Description
Technical field
The utility model is related to transformer body assembling manufacturing technical fields, more particularly, to a kind of novel oil immersed type transformation
The anti-sudden short circuit structure of device.
Background technology
Safe, the economic and reliability service of transformer, depending on itself workmanship and running environment and maintenance
Quality.Wherein, the dynamic stability ability test that distribution transformer bears short circuit is that the mechanical strength under heavy current effect is resistance to tested
It tests, is a kind of examination to distribution transformer complex art ability and manufacturing technology level.
By long-term practical experience and short-circuit strength test situation it is found that transformer is in suddenly-applied short circuit, winding damage
The result of diametral force and width when main cause is short circuit to force effect.And the width of winding is to unstability, is put due to abutting iron core
The intermediate winding of winding or multiwinding transformer in the transformer set may be by width to short-circuit electromagnetic force under short-circuit state
Caused circumferential compression.The width of winding is that transformer is made in width to short-circuit electromagnetic force to unstability in medium-sized or above transformer
With the main forms of lower damage.
Traditional device body bearing be by drawing screw-rod structure that folder from top to bottom is connected, to winding axial direction into
Row is fixed.Clamp iron core furthermore with other screw rod and folder from top to bottom structure, but old structure there is no the width to transformer winding to
Part is fixed, and when winding is under powerful electrodynamic action, is easy to happen width to deformation, causes to misplace between every circle conducting wire
Even turn insulation and layer insulation is destroyed, final the problems such as causing winding internal breakdown or burning.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is that a kind of new oil reasonable for structure, easy to operate
The anti-sudden short circuit structure of immersion transformer.
To achieve the above object, scheme provided by the utility model is：A kind of anti-sudden short circuit structure of oil-immersed transformer,
Include the transformer coil group being made of multiple transformer coils being arranged side by side, wherein each transformer coil includes wired
Winding and iron core are enclosed, further includes having two groups of clamp systems for being arranged in transformer coil group upper and lower ends respectively and two difference
It is arranged in the side clamping plate of transformer coil group both sides, wherein clamp system described in every group includes that there are two for being fixedly clamped
The folder of multiple core ends is connected between two folders organized by the other screw rod being preset with, the folders of difference group
It is connected by the drawing screw rod being preset between part；Multiple coil windings that are fixedly clamped are matched by two side clamping plates；
Each side clamping plate both ends are connected with two folders of two groups of clamp systems by the all-teeth screw being preset with respectively；Each
It is additionally provided with cleat insulator between the side clamping plate and coil windings, wherein the back side of the cleat insulator is equipped with crisscross
Oil clearance slot.
Further, it is also provided with multiple vertically arranged mounting grooves on cleat insulator front, is equipped in each mounting groove
Mounting plate, wherein be mutually fixedly connected by screw between the side clamping plate and multiple mounting plates.
Further, it is equipped with insulating pad between clamp system both sides and transformer coil group described in any one group, wherein
Multiple vertical cut (V. cut)s is opened on any insulating pad.
Compared with the prior art, the utility model has the beneficial effect that compared with traditional transformer body supporting structure, in addition to
Using drawing screw rod and other screw rod that clamp system and iron core are fixedly clamped, the fixed knot of side clamping plate and cleat insulator is also added
Structure is fixed to form stress frame on direction, prevents transformer winding in powerful electricity to the axial direction and width of coil windings
Power effect is lower occur axial and width to displacement deformation, enhance the ability that transformer bears sudden short circuit, reduce transformation
The use of device limits and improves service life, enhances product competitiveness in the market.
Description of the drawings
Fig. 1 is the left view of the utility model.
Fig. 2 is the vertical view of the utility model.
Fig. 3 is the subssembly drawing of the utility model.
Fig. 4 is the folder front view of the utility model.
Fig. 5 is the folder vertical view of the utility model.
Fig. 6 is the side clamping plate front view of the utility model.
Fig. 7 is the side clamping plate side view of the utility model.
Fig. 8 is the cleat insulator front view of the utility model.
Fig. 9 is the cleat insulator left view of the utility model.
Figure 10 is the mounting plate of the utility model.
Figure 11 is the insulating pad of the utility model.
Wherein, 1- all-teeth screws, 2- drawing screw rods, 3- folders, the first screw holes of 31-, the second screw holes of 32-, 33- third screw holes,
The sides 4- clamping plate, 5- transformer coils, 51- iron cores, 52- coil windings, 6- insulating pads, 7- cleat insulators, the sides 8- screw rod, 9- peaces
Loading board, 10- reinforcing plates, 11- oil clearance slots, 12- mounting grooves, 13- notches.
Specific implementation mode
With reference to specific embodiment, the utility model is described in further detail：
Shown in attached drawing 11, a kind of anti-sudden short circuit structure of oil-immersed transformer, including by multiple and arrange
The transformer coil group that the transformer coil 5 set forms, includes cored 51 and coil windings 52 in each transformer.Also wrap
Two groups of clamp systems for being arranged in transformer coil group upper and lower ends are included, every group of clamp system all includes that there are two be used for
Be fixedly clamped the folder 3 of 51 end of multiple iron cores.
Shown in refer to the attached drawing 1 and attached drawing 5, in the present embodiment, it is equipped on each folder 3 of clamp system for drawing screw rod
2, the hole that other screw rod 8 and all-teeth screw 1 pass through, that is, be combined into the first screw hole 31 with the matching of other screw rod 8, be combined into the matching of screw rod 2 is drawn
Second screw hole 32, with 1 matched third threaded hole 33 of all-teeth screw.Between two folders 3 with group for clamping iron core 51
It is attached by other screw rod 8, the folder 3 for being located at two groups of clamp system of transformer coil group upper and lower ends is opposite respectively
Together, i.e., different groups of homonymy folder 3 aligns in the vertical direction, passes through drawing between the folder 3 of two groups of clamp systems of homonymy
Screw rod 2 is attached, and the stress frame of fixed transformer winding axial direction is consequently formed.
Shown in refer to the attached drawing 1 and attached drawing 11, in the present embodiment, in the both sides of any one group of clamp system and transformer wire
Insulating pad 6 is equipped between circle group, that is, be arranged between two folders 3 and transformer coil group of any one group of clamp system
There are two insulating pads 6, and the two insulating pads 6 are arranged in the both sides of transformer coli winding 52（It is essentially more
The both sides of a transformer coil being arranged side by side）, by insulating pad 6 to separate clamping mechanism and transformer coil group, from
And reach the state of insulation kept between transformer coil group and folder 3, and be provided on insulating pad 6 multiple for pre-
The vertical cut (V. cut) 13 for the transformer oil flowing being equipped with.
Shown in refer to the attached drawing 7 and attached drawing 8, in the present embodiment, two are arranged in transformer coil group both sides（Essence
The upper both sides for multiple transformer coils being arranged side by side）Side clamping plate 4, two side clamping plates 4 match multiple lines that are fixedly clamped
Winding 52 is enclosed, passes through 1 phase of all-teeth screw with same group of two folders 3 of two groups of clamp systems respectively at the both ends of each side clamping plate 4
Connection is provided with for 1 perforative hole of all-teeth screw position on side clamping plate 4 in order to which all-teeth screw 1 is through side clamping plate 4 and full tooth spiral shell
The connection between same group of clamp system respectively of 1 both ends of bar.It is additionally provided with reinforcing plate 10 on each side clamping plate 4, improves side clamping plate 4
Deform ability to bear.It is additionally provided with cleat insulator 7 between each side clamping plate 4 and coil windings 52（The cleat insulator 7 of the present embodiment
For laminated wood）, the back side of cleat insulator 7 is flowed equipped with the transformer oil for Gong being preset with and crisscross oil clearance slot 11,
Alignment is matched in order to which inflow transformer oil is, it can be achieved that transformation by the vertical cut (V. cut) 13 on oil clearance slot 11 and insulating pad 6
The effect of device oil proper flow；In addition multiple vertically arranged mounting grooves 12, Mei Gean are provided on the front of cleat insulator 7
Mounting plate 9 is equipped in tankage 12, wherein for being preset with the perforative through-hole of self-tapping screw to pass through there are two being set on mounting plate 9
Self-tapping screw realizes being connected and fixed between mounting plate 9 and cleat insulator 7；In addition, by tight between side clamping plate 4 and mounting plate 9
It is in mating connection to determine screw, so that holding screw is through side clamping plate 4 in this way and is pressed on mounting plate 9, to avoid
Abrasion of the holding screw to cleat insulator 7.
Shown in refer to the attached drawing 3, in the present embodiment, the both sides of transformer coli winding 52 are by cleat insulator 7, mounting plate 9
The side clamp mechanism constituted with side clamping plate 4 is clamped fixation, the i.e. fixation to 52 width of transformer coli winding to direction, effectively hinders
Stop transformer coil group because width due to deformation to the appearance of the problems such as transformer short-circuit unstability occur, enhances coil windings 52
Anti-short circuit capability.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, each section title etc. can not
Together, the equivalent or simple change that all structure, feature and principles according to described in the utility model patent concept are done is included in this
In the protection domain of utility model patent.Those skilled in the art of the present invention can be to described specific reality
Example is applied to do various modifications or additions or substitute by a similar method, structure without departing from the utility model or
Beyond the scope defined by this claim, it all should belong to the protection range of the utility model.
Claims (3)
1. a kind of anti-sudden short circuit structure of oil-immersed transformer, includes by multiple transformer coils being arranged side by side（5）Composition
Transformer coil group, wherein each transformer coil（5）Including cored (51）And coil windings（52）, it is characterised in that：Also
Include that two groups of clamp systems for being arranged in transformer coil group upper and lower ends respectively and two are respectively arranged in transformer wire
The side clamping plate of circle group both sides（4）, wherein clamp system described in every group includes that there are two for the multiple iron cores (51) that are fixedly clamped
The folder of end（3）, with two folders of group（3）Between pass through the other screw rod that is preset with（8）It is connected, the folder of difference group
Part（3）Between pass through the drawing screw rod that is preset with（2）It is connected；Pass through two side clamping plates（4）Match be fixedly clamped it is multiple
Coil windings（52）；Each side clamping plate（4）Both ends respectively with two folders of two groups of clamp systems（3）Pass through what is be preset with
All-teeth screw（1）It is connected；Each side clamping plate（4）It is additionally provided with cleat insulator between coil windings (52)（7）, wherein
The cleat insulator（7）The back side be equipped with crisscross oil clearance slot（11）.
2. the anti-sudden short circuit structure of a kind of oil-immersed transformer according to claim 1, it is characterised in that：The insulating blanked clamper
Plate（7）Multiple vertically arranged mounting grooves are also provided on front（12）, each mounting groove（12）Inside it is equipped with mounting plate（9）,
Wherein, the side clamping plate（4）With multiple mounting plates（9）Between be mutually fixedly connected by screw.
3. the anti-sudden short circuit structure of a kind of oil-immersed transformer according to claim 1, it is characterised in that：Any one group of institute
It states and is equipped with insulating pad between clamp system both sides and transformer coil group（6）, wherein any insulating pad（6）On
Open multiple vertical cut (V. cut)s（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820438572.1U CN208093341U (en) | 2018-03-29 | 2018-03-29 | A kind of anti-sudden short circuit structure of oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820438572.1U CN208093341U (en) | 2018-03-29 | 2018-03-29 | A kind of anti-sudden short circuit structure of oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208093341U true CN208093341U (en) | 2018-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820438572.1U Active CN208093341U (en) | 2018-03-29 | 2018-03-29 | A kind of anti-sudden short circuit structure of oil-immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208093341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110610791A (en) * | 2019-09-06 | 2019-12-24 | 河北鑫环通变压器制造有限公司 | Method and structure design for providing burst short circuit resisting support for transformer |
-
2018
- 2018-03-29 CN CN201820438572.1U patent/CN208093341U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110610791A (en) * | 2019-09-06 | 2019-12-24 | 河北鑫环通变压器制造有限公司 | Method and structure design for providing burst short circuit resisting support for transformer |
| CN110610791B (en) * | 2019-09-06 | 2022-07-08 | 河北鑫环通变压器制造有限公司 | Method and device for providing burst short circuit resisting support for transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Anti burst short circuit structure of oil -immersed transformer Effective date of registration: 20191120 Granted publication date: 20181113 Pledgee: China Co truction Bank Corp Foshan branch Pledgor: GUANGDONG GUANGTE ELECTRIC CO. LTD. Registration number: Y2019440000206 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |