CN208908177U - A kind of structure of transformer body of low capacity high voltage - Google Patents
A kind of structure of transformer body of low capacity high voltage Download PDFInfo
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- CN208908177U CN208908177U CN201821872133.8U CN201821872133U CN208908177U CN 208908177 U CN208908177 U CN 208908177U CN 201821872133 U CN201821872133 U CN 201821872133U CN 208908177 U CN208908177 U CN 208908177U
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Abstract
The utility model relates to a kind of structure of transformer body of low capacity high voltage, belong to transformer body equipment technical field.Technical solution is: the outside of iron core (1) is set with low-voltage coil (2), the outside of low-voltage coil (2) is set with high-tension coil (3), the outer screen (10) of outside setting high-tension coil of high-tension coil (3), low pressure stay curtain (8) is equipped between iron core (1) and low-voltage coil (2), high-voltage isulation cylinder (9) are equipped between low-voltage coil (2) and high-tension coil (3), coil pressure plate (6) and coil supporting plate (7) are respectively equipped at the both ends of low-voltage coil (2) and high-tension coil (3), upper clamping piece (4) and lower clamping piece (5) pass through coil pressure plate (6) and coil supporting plate (7) for iron core (1), low-voltage coil (2) and high-tension coil (3) are fixed.The beneficial effects of the utility model are: structure is simple, the requirement of 66kV grades of station local coordinate frames can satisfy.
Description
Technical field
The utility model relates to a kind of structure of transformer body of low capacity high voltage, belong to transformer body equipment and technology
Field.
Background technique
Currently, 66kV grades of station local coordinate frames are by the direct transformation of high-pressure side 66kV to low-pressure side 0.4kV, it is desirable that centre is no longer set
Set the transformers of other voltage class transformation step by step.The characteristics of station local coordinate frame is that capacity is smaller, and outer limit size requires strictly, existing
Some structure of transformer body is complicated, it is impossible to meet the requirement of this low capacity, the machine body structure of high voltage product, because
This, needs to research and develop the novel transformer machine body structure of a kind of low capacity, high voltage.
Utility model content
The utility model aim is to provide a kind of structure of transformer body of low capacity high voltage, and structure is simple, Neng Gouman
The requirement of sufficient 66kV grades of station local coordinate frame, solves the problems, such as background technique.
The technical solution of the utility model is:
A kind of structure of transformer body of low capacity high voltage, comprising iron core, low-voltage coil, high-tension coil, upper clamping piece, under
The outside suit of the outer screen of folder, coil pressure plate, coil supporting plate, low pressure stay curtain, high-voltage isulation cylinder and high-tension coil, iron core is low
Crimping circle, the outside of low-voltage coil are set with high-tension coil, the outer screen of outside setting high-tension coil of high-tension coil, iron core and low pressure
It is equipped with low pressure stay curtain between coil, high-voltage isulation cylinder is equipped between low-voltage coil and high-tension coil, in low-voltage coil and high pressure
The both ends of coil are respectively equipped with coil pressure plate and coil supporting plate, and upper clamping piece and lower clamping piece pass through coil pressure plate and coil supporting plate for iron
Core, low-voltage coil and high-tension coil are fixed.
The low-voltage coil uses copper foil coiling, and high-tension coil uses enamel insulated round copper wire coiling.
Copper foil is respectively adopted in the low-voltage coil and high-tension coil and enamel insulated round copper wire turns to layered structure.
The iron core is by silicon steel sheet stack at three-phase three-column structure.
The low pressure stay curtain and high-voltage isulation cylinder are insulating paper production.
The beneficial effects of the utility model are: structure is simple, the requirement of 66kV grades of station local coordinate frames can satisfy, by 66kV
Other voltage class can be no longer arranged by the direct transformation of high-pressure side 66kV to low-pressure side 0.4kV, centre in grade station local coordinate frame
Transformer transformation step by step.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model low-voltage coil main view；
Fig. 3 is the utility model low-voltage coil top view；
Fig. 4 is the utility model high-tension coil main view；
Fig. 5 is the utility model high-tension coil top view；
In figure: iron core 1, low-voltage coil 2, high-tension coil 3, upper clamping piece 4, lower clamping piece 5, coil pressure plate 6, coil supporting plate 7, low
Press the outer screen 10 of stay curtain 8, high-voltage isulation cylinder 9, high-tension coil.
Specific embodiment
Below in conjunction with attached drawing, by example, the utility model is described in further detail.
Referring to attached drawing 1-5, a kind of structure of transformer body of low capacity high voltage includes iron core 1, low-voltage coil 2, high pressure
Outside coil 3, upper clamping piece 4, lower clamping piece 5, coil pressure plate 6, coil supporting plate 7, low pressure stay curtain 8, high-voltage isulation cylinder 9 and high-tension coil
Screen 10, the outside of iron core 1 are set with low-voltage coil 2, and the outside of low-voltage coil 2 is set with high-tension coil 3, the outside of high-tension coil 3
The outer screen 10 of high-tension coil is set, low pressure stay curtain 8, low-voltage coil 2 and high-tension coil 3 are equipped between iron core 1 and low-voltage coil 2
Between be equipped with high-voltage isulation cylinder 9, be respectively equipped with coil pressure plate 6 and coil supporting plate 7 at the both ends of low-voltage coil 2 and high-tension coil 3,
Iron core 1, low-voltage coil 2 and high-tension coil 3 are fixed with lower clamping piece 5 by coil pressure plate 6 and coil supporting plate 7 by upper clamping piece 4.
Specific embodiment:
In the present embodiment, referring to attached drawing 2,3, low-voltage coil 2 uses copper foil coiling, layered structure, low-voltage coil interlayer
Insulating paper or stay curtain can be set as cooling oil duct, the copper foil of low-voltage coil 2 is able to satisfy the requirement of low-pressure side high current.
Referring to attached drawing 4,5, high-tension coil 3 uses enamel insulated round copper wire coiling, layered structure, and 3 interlayer of high-tension coil can be set
Insulating paper or stay curtain are set as cooling oil duct, to guarantee that 3 voltage between layers of high-tension coil is uniformly distributed, according to calculated result in height
The insulating paper and stay curtain of 3 interlayer of crimping circle setting respective thickness.The enamel insulated round copper wire of high-tension coil 3 is able to satisfy high-pressure side the number of turns
More requirements.
Referring to attached drawing 1, iron core 1, at three-phase three-column structure, is set with low-voltage coil 2 in the outside of iron core 1 by silicon steel sheet stack,
High-tension coil 3 is set on the outside of low-voltage coil 2.Iron core 1 is fixed from upper and lower both direction with lower clamping piece 5 for upper clamping piece 4,
Below upper clamping piece 4, coil pressure plate 6 is arranged in the upper surface of low-voltage coil 2 and high-tension coil 3, in the upper surface of lower clamping piece 5, low-voltage line
Circle 2 is arranged in parallel with coil supporting plate 7, coil pressure plate 6 and about 7 coil supporting plate are arranged below high-tension coil 3, passes through coil pressure
Low-voltage coil 2 and high-tension coil 3 can be fixed by plate 6 with coil supporting plate 7 from upper and lower both direction.
In order to guarantee the insulating properties between low-voltage coil 2 and iron core 1 and high-tension coil 3, iron core 1 and low-voltage coil 2 it
Between be arranged low pressure stay curtain 8, between low-voltage coil 2 and high-tension coil 3 be arranged high-voltage isulation cylinder 9, in 3 outermost of high-tension coil
The outer screen 10 of high-tension coil is set.Low pressure stay curtain 8 and high-voltage isulation cylinder 9 can be made of insulating paper, and low pressure stay curtain 8 can be realized
Insulation of the low-voltage coil 2 to iron core, high-voltage isulation cylinder 9 can realize insulation of the high-tension coil 3 to low-voltage coil 2, outside high-tension coil
The dielectric strength in 3 outside of high-tension coil can be improved in screen 10.
Claims (5)
1. a kind of structure of transformer body of low capacity high voltage, it is characterised in that: include iron core (1), low-voltage coil (2), height
Crimping circle (3), upper clamping piece (4), lower clamping piece (5), coil pressure plate (6), coil supporting plate (7), low pressure stay curtain (8), high-voltage isulation
Cylinder (9) and the outer screen (10) of high-tension coil, the outside of iron core (1) are set with low-voltage coil (2), the outside suit of low-voltage coil (2)
High-tension coil (3), the outer screen (10) of outside setting high-tension coil of high-tension coil (3), between iron core (1) and low-voltage coil (2)
Equipped with low pressure stay curtain (8), high-voltage isulation cylinder (9) are equipped between low-voltage coil (2) and high-tension coil (3), in low-voltage coil (2)
It is respectively equipped with coil pressure plate (6) and coil supporting plate (7) with the both ends of high-tension coil (3), upper clamping piece (4) passes through with lower clamping piece (5)
Iron core (1), low-voltage coil (2) and high-tension coil (3) are fixed by coil pressure plate (6) and coil supporting plate (7).
2. a kind of structure of transformer body of low capacity high voltage according to claim 1, it is characterised in that: the low pressure
Coil (2) uses copper foil coiling, and high-tension coil (3) uses enamel insulated round copper wire coiling.
3. a kind of structure of transformer body of low capacity high voltage according to claim 2, it is characterised in that: the low pressure
Coil (2) and copper foil is respectively adopted for high-tension coil (3) and enamel insulated round copper wire turns to layered structure.
4. a kind of structure of transformer body of low capacity high voltage according to claim 1, it is characterised in that: the iron core
(1) by silicon steel sheet stack at three-phase three-column structure.
5. a kind of structure of transformer body of low capacity high voltage according to claim 1, it is characterised in that: the low pressure
Stay curtain (8) and high-voltage isulation cylinder (9) are insulating paper production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821872133.8U CN208908177U (en) | 2018-11-14 | 2018-11-14 | A kind of structure of transformer body of low capacity high voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821872133.8U CN208908177U (en) | 2018-11-14 | 2018-11-14 | A kind of structure of transformer body of low capacity high voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208908177U true CN208908177U (en) | 2019-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821872133.8U Active CN208908177U (en) | 2018-11-14 | 2018-11-14 | A kind of structure of transformer body of low capacity high voltage |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360721A (en) * | 2018-11-14 | 2019-02-19 | 保定保菱变压器有限公司 | A kind of structure of transformer body of low capacity high voltage |
-
2018
- 2018-11-14 CN CN201821872133.8U patent/CN208908177U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360721A (en) * | 2018-11-14 | 2019-02-19 | 保定保菱变压器有限公司 | A kind of structure of transformer body of low capacity high voltage |
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