CN206148251U - Indisputable transformer coil ware body structure is folded in anti short circuit - Google Patents
Indisputable transformer coil ware body structure is folded in anti short circuit Download PDFInfo
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- CN206148251U CN206148251U CN201621225865.9U CN201621225865U CN206148251U CN 206148251 U CN206148251 U CN 206148251U CN 201621225865 U CN201621225865 U CN 201621225865U CN 206148251 U CN206148251 U CN 206148251U
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- pressing plate
- determination
- unshakable
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Abstract
The utility model discloses an indisputable transformer coil ware body structure is folded in anti short circuit, it is unshakable in one's determination including the three -phase, it is equipped with the coil assembly all to overlap on the three stand of three -phase iron core, the coil assembly includes nested within each other's high -pressure coil and low voltage coil, ware body clamp plate is all installed to coil assembly upper portion width both sides and lower part width both sides, all wear to be equipped with a horizontal pole about two holes between the adjacent stand in the both ends, the both ends of horizontal pole are connected with the ware body clamp plate of both sides, the layering is still installed to every ware body clamp plate upside, install two clamp plates unshakable in one's determination on the layering of the upper and lower both sides of coil assembly respectively, clamp plate both ends unshakable in one's determination are set up on two bleeding pressure strips with one side and are connected with the layering, press on the three -phase iron core at clamp plate middle part unshakable in one's determination. The utility model discloses in, ware body clamp plate is used for compressing tightly the coil assembly both ends, the three -phase of both sides was unshakable in one's determination about clamp plate unshakable in one's determination was used for compressing tightly, clamp plate unshakable in one's determination and ware body clamp plate have an effectual impact of bearing ware body axial force, avoided strikeing the quality hidden danger who exists because of the axial force.
Description
Technical field
The utility model is related to distribution transformer technical field, more particularly to a kind of folded iron transformer coil device body of resistance to shorting
Structure.
Background technology
At present, it is to ensure more preferable product quality, national grid buying transformer makes to carry out short-circuit sampling examination.Transformation
During device manufacturer production state net distribution transformer, what is adopted is all traditional structure, and traditional transformer machine body structure would generally be because becoming
Depressor short-circuit impact is unqualified and produce quality problems, resistance to shorting impact capacity is poor, and usual 10 seven or eight are short-circuit test
Substandard product, is primarily present problems with：
1st, traditional distribution transforming machine body structure anti-short circuit capability is poor, and short-circuit test percent of pass is low；Transformer high-low-voltage winding is adopted
Long Circle structure is used, there is phase spacing between every two phase coil.When transformer receives short-circuit impact, produce inside winding
Very big mechanical force, makes winding there is the space for expanding outwardly because of phase spacing, so as to cause winding inside turn-to-turn or interlayer
Damage in insulation and cause short-circuit conditions.
2nd, traditional coil adopts Long Circle structure, causes coil straight line portion to there is point with circular arc portion junction excessive
Situation.When transformer is flushed to impact, discontinuity at the point is short so as to easily cause coil inside insulation rupture generation
Road.
3rd, the folded iron distribution transforming iron core upper yoke of tradition is tightened using drawstring.And low-voltage coil adopts winding structure, in transformer
When being impacted, there is very big mechanical force in low-voltage coil on coil axial direction, so as to impact upper yoke, distinct transformer device body
There is the situation that upper yoke departs from body unshakable in one's determination.
Utility model content
The utility model mainly solves the technical problem in the presence of prior art, can effectively hold so as to provide one kind
The folded iron transformer coil machine body structure of resistance to shorting impacted by axial force.
What above-mentioned technical problem of the present utility model was mainly addressed by following technical proposals：
A kind of folded iron transformer coil machine body structure of resistance to shorting of the present utility model, including three-phase iron core, the three-phase iron
Coil group is arranged with three columns of the heart, the coil group includes mutually nested high-tension coil and low-voltage coil, described
Coil group upper width both sides and lower width both sides are mounted on device body pressing plate, two between adjacent upright posts hole upper and lower two
A cross bar is equipped with end, the two ends of the cross bar are connected with the device body pressing plate of both sides, each described device body pressing plate upside
It is also equipped with press strip, on the press strip of the upper and lower both sides of the coil group two pressing plates unshakable in one's determination, the pressing plate unshakable in one's determination two is separately installed with
End-rack be located on two press strips of the same side and with the press strip link, it is unshakable in one's determination that the pressing plate unshakable in one's determination middle part is pressed in the three-phase
On.
Further, its section of high-tension coil in two coil groups in outside is Long Circle and oval combined type
Structure, the part that high-tension coil is located at outside is curved, and the part positioned at inner side is in straightsided shape；In high-tension coil and low pressure
Space between coil arranges oil duct.
Further, the device body pressing plate includes middle part pressing plate and edge pressing plate, and the middle part pressing plate is arranged on adjacent two
Between individual coil group, the edge pressing plate installs the coil group outside of both sides.
Further, cardboard is filled between adjacent windings group, is provided with separately between high-tension coil and low-voltage coil
Plate, oil duct is located at the bottom of phase partition.
Further, the pressing plate unshakable in one's determination is arranged at the position between two neighboring coil group.
Further, the pressing plate two ends unshakable in one's determination are bolted with press strip.
Compared with prior art, the utility model has the advantage of：By the way that high-tension coil and low-voltage coil are coaxially disposed,
This kind of machine body structure is shortened by the phase spacing between two phase coils, reduces electrical steel piece usage amount, and reducer body is accumulated, from
And make volume of transformer less to a certain extent, save production cost；Because state's net distribution low-voltage coil adopts winding structure mostly,
When device body receives impact, low-voltage coil can produce very big axial force, end turn wire turn is caused because stress departs from coil
Low-voltage coil deforms and damages, and the presence of axial force can also impact three-phase iron core upper yoke, loosen upper yoke.Device body pressing plate is used
In coil pressing group two ends, the three-phase that pressing plate unshakable in one's determination is used to compress upper and lower both sides is unshakable in one's determination, the presence of pressing plate unshakable in one's determination and device body pressing plate
Effectively bear the impact of device body axial force, it is to avoid the hidden danger of quality existed because axial force is impacted.
Description of the drawings
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the front view of the folded iron transformer coil machine body structure of resistance to shorting of the present utility model；
Fig. 2 is the top view of the folded iron transformer coil machine body structure of resistance to shorting of the present utility model；
Fig. 3 is the right view of the folded iron transformer coil machine body structure of resistance to shorting of the present utility model.
Specific embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that advantage of the present utility model
Can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to make to protection domain of the present utility model
Define.
Refering to the folded iron transformer coil machine body structure of a kind of resistance to shorting that shown in Fig. 1 to Fig. 3, the utility model is provided, bag
Three-phase iron core 1 is included, coil group 2 is arranged with three columns of three-phase iron core 1, coil group 2 includes mutually nested high-voltage line
Circle 21 and low-voltage coil 22, the upper width both sides of coil group 2 and lower width both sides are mounted on device body pressing plate 3, adjacent upright posts
Between two hole upper and lower ends in be equipped with a cross bar 4, the upper plane of cross bar 4 is held out against in three-phase 1 hole of iron core
Inner surface, and the lower surface of cross bar 4 is pressed on the side of coil group 2, the two ends of cross bar 4 are connected with the device body pressing plate 3 of both sides, each
The upside of device body pressing plate 3 is also equipped with press strip 6, and two pressing plates 5 unshakable in one's determination, iron are separately installed with the press strip 6 of coil group both sides about 2
The two ends of heart pressing plate 5 are erected on two press strips 6 of the same side and with press strip 6 and are connected, and the middle part of pressing plate unshakable in one's determination 5 is pressed in three-phase iron core 1
On.By the way that high-tension coil 21 and low-voltage coil 22 are coaxially disposed, this kind of machine body structure is by the phase spacing between two phase coils
Shorten, reduce electrical steel piece usage amount, reducer body product, so as to make volume of transformer less to a certain extent, saves life
Produce cost；Because state net distribution low-voltage coil 22 adopts winding structure mostly, when device body receives impact, low-voltage coil 22 can be produced
Very big axial force, makes end turn wire turn damage, the presence of axial force because stress disengaging coil causes low-voltage coil to deform
Three-phase iron core upper yoke can be also impacted, upper yoke is loosened.Device body pressing plate 3 is used for coil pressing group two ends, and pressing plate unshakable in one's determination 5 is used for
The three-phase for compressing upper and lower both sides is unshakable in one's determination, and the presence of pressing plate unshakable in one's determination 5 and device body pressing plate 3 effectively bears rushing for device body axial force
Hit, it is to avoid the hidden danger of quality existed because axial force is impacted.
In the present embodiment, its section of high-tension coil 21 in two coil groups in outside is Long Circle and ellipse
The part that fabricated structure, i.e. high-tension coil are located at outside is curved, and the part positioned at inner side is in straightsided shape.In high-voltage line
Space between circle 21 and low-voltage coil 22 arranges oil duct, referring to Fig. 2.The improved advantage of this structure is：By high-tension coil 21
After outer arcization process, transformer body internally forms an entirety and offsets stress inside device body, radiused place
Reason can also make stress on the outside of coil evenly, substantially increase transformer resistance to shorting impact capacity.In high-tension coil 21 and low pressure
Oil duct is arranged between coil 22 can improve radiating effect.
In the present embodiment, device body pressing plate 3 includes middle part pressing plate 31 and edge pressing plate 32, and middle part pressing plate 31 is arranged on adjacent
Between two coil groups 2, edge pressing plate 32 installs the outside of coil group 2 of both sides.By the way that device body pressing plate 3 is resolved into into middle part pressing plate
31 and edge pressing plate 32, the position of pressing plate can be conveniently adjusted, it is also convenient for independent dismounting and change.
In order to eliminate the gap between adjacent windings group 2, coil group 2 in emergency power off stress will not play, adjacent lines
Cardboard is filled between circle group 2, phase partition 7 is installed between high-tension coil 21 and low-voltage coil 22.Effectively prevent electric wire
Abrasion during play.Oil duct is located at the bottom of dividing plate 7.
Preferably, pressing plate unshakable in one's determination 5 is arranged at the position between two neighboring coil group 2.For cause pressing plate 5 unshakable in one's determination with
The relative compression in the position of press strip 6.Overall stressed effect is good.The two ends of pressing plate unshakable in one's determination 5 are bolted with press strip 6.It is convenient to adjust
Pressing plate unshakable in one's determination 5 compresses the thrust of three-phase iron core 1.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any change or replacement expected without creative work all should be covered within protection domain of the present utility model.
Therefore, the protection domain that protection domain of the present utility model should be limited by claims is defined.
Claims (6)
1. a kind of resistance to shorting folds iron transformer coil machine body structure, it is characterised in that：It is unshakable in one's determination including three-phase, the three-phase iron core
Coil group is arranged with three columns, the coil group includes mutually nested high-tension coil and low-voltage coil, the coil
Group upper width both sides and lower width both sides are mounted on device body pressing plate, in two between adjacent upright posts hole upper and lower ends
A cross bar is equipped with, the two ends of the cross bar are connected with the device body pressing plate of both sides, each described device body pressing plate upside is also pacified
Equipped with press strip, two pressing plates unshakable in one's determination, the end-rack of pressing plate unshakable in one's determination two are separately installed with the press strip of the upper and lower both sides of the coil group
Be located on two press strips of the same side and with the press strip link, the pressing plate unshakable in one's determination middle part is pressed on the three-phase iron core.
2. resistance to shorting according to claim 1 folds iron transformer coil machine body structure, it is characterised in that：Positioned at the two of outside
Its section of high-tension coil in individual coil group is Long Circle and oval fabricated structure, the part on the outside of high-tension coil
Curved, the part positioned at inner side is in straightsided shape；Space between high-tension coil and low-voltage coil arranges oil duct.
3. resistance to shorting according to claim 1 folds iron transformer coil machine body structure, it is characterised in that：The device body pressing plate
Including middle part pressing plate and edge pressing plate, the middle part pressing plate is arranged between two neighboring coil group, and the edge pressing plate is installed
The coil group outside of both sides.
4. resistance to shorting according to claim 1 folds iron transformer coil machine body structure, it is characterised in that：Adjacent windings group it
Between be filled with cardboard, phase partition is installed between high-tension coil and low-voltage coil, oil duct is located at the bottom of phase partition.
5. resistance to shorting according to claim 1 folds iron transformer coil machine body structure, it is characterised in that：The pressing plate unshakable in one's determination
It is arranged at the position between two neighboring coil group.
6. resistance to shorting according to claim 5 folds iron transformer coil machine body structure, it is characterised in that：The pressing plate unshakable in one's determination
Two ends are bolted with press strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621225865.9U CN206148251U (en) | 2016-11-15 | 2016-11-15 | Indisputable transformer coil ware body structure is folded in anti short circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621225865.9U CN206148251U (en) | 2016-11-15 | 2016-11-15 | Indisputable transformer coil ware body structure is folded in anti short circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206148251U true CN206148251U (en) | 2017-05-03 |
Family
ID=58626481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621225865.9U Expired - Fee Related CN206148251U (en) | 2016-11-15 | 2016-11-15 | Indisputable transformer coil ware body structure is folded in anti short circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206148251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637790A (en) * | 2018-12-27 | 2019-04-16 | 山东硅钢新材料有限公司 | The oval omnipotent group on-load regulator transformer of class |
-
2016
- 2016-11-15 CN CN201621225865.9U patent/CN206148251U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637790A (en) * | 2018-12-27 | 2019-04-16 | 山东硅钢新材料有限公司 | The oval omnipotent group on-load regulator transformer of class |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170503 Termination date: 20201115 |