CN209591767U - Novel lightning impulse resistant winding insulation structure - Google Patents
Novel lightning impulse resistant winding insulation structure Download PDFInfo
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- CN209591767U CN209591767U CN201920707025.3U CN201920707025U CN209591767U CN 209591767 U CN209591767 U CN 209591767U CN 201920707025 U CN201920707025 U CN 201920707025U CN 209591767 U CN209591767 U CN 209591767U
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- square ring
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- insulation square
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Abstract
The utility model relates to a kind of novel lightning impulse resistant winding insulation structures, including high-tension coil, low-voltage coil and major insulation square ring, the major insulation square ring is arranged between the high-tension coil and low-voltage coil, wherein, the major insulation square ring is wrapped in the high-tension coil close to one end of the low-voltage coil, bending part is arranged in the major insulation square ring, if being uniformly divided into stem portion by cutting on the bending part.The utility model can reduce major insulation size and end turn insulation size, reduce the width of coil to axial dimension under the premise of ensureing coil electrical strength, and the core dimensions that fitting coils use are also corresponding reduces.While saving winding copper wire, the less dosage of silicon steel material, and then transformer integral material dosage is reduced, cost is lower, and energy-saving effect is good.
Description
Technical field
The utility model belongs to winding insulation equipment technical field, and in particular to a kind of novel lightning impulse resistant winding insulation
Structure.
Background technique
Traditional transformer winding increases end insulation height by increasing major insulation insulation spacing to ensure lightning impulse resistant energy
Power, and such setting has the following deficiencies: by increasing major insulation insulation spacing, increase end insulation height to ensure that anti lightning rushes
The structure of ability is hit, the width of coil is big to size, and coil axial height is high, and corresponding core dimensions are big, copper and the equal dosage of silicon steel
It is more, it is at high cost.It cannot achieve.
Utility model content
To solve the above problems, the utility model provides a kind of novel lightning impulse resistant winding insulation structure, including height
Crimping circle, low-voltage coil and major insulation square ring, the major insulation square ring are arranged between the high-tension coil and low-voltage coil,
In, the major insulation square ring is wrapped in the high-tension coil close to one end of the low-voltage coil, the major insulation square ring setting
Bending part, if being uniformly divided into stem portion by cutting on the bending part.
Preferably, the major insulation square ring includes the identical two parts up and down of size, respectively upper major insulation square ring and
Lower major insulation square ring, the width of the upper major insulation square ring and lower major insulation square ring are as follows: L/2 ± 50mm, wherein L is high-tension coil
Highly.
In any of the above-described scheme preferably, the height of the upper major insulation square ring and lower major insulation square ring are as follows: C+30mm,
Wherein C is perimeter of the high-tension coil in outer turn coil.
In any of the above-described scheme preferably, the length of the upper major insulation square ring and lower major insulation square ring bending part is small
Distance in the end of the high-tension coil side wall to oil duct.
In any of the above-described scheme preferably, the major insulation square ring is set as two groups, respectively includes the first major insulation
Square ring and the second major insulation square ring.
The utility model can reduce major insulation size and end turn is exhausted under the premise of ensureing coil electrical strength
Edge size reduces the width of coil to axial dimension, and the core dimensions that fitting coils use are also corresponding reduces.Save winding
While with copper wire, the less dosage of silicon steel material, and then transformer integral material dosage is reduced, cost is lower, energy conservation
Effect is good.
Detailed description of the invention
Fig. 1 is the preferred embodiment schematic diagram according to the novel lightning impulse resistant winding insulation structure of the utility model；
Fig. 2 be according to the utility model novel lightning impulse resistant winding insulation structure first on major insulation square ring one it is excellent
Select embodiment schematic diagram；
Fig. 3 be according to the utility model novel lightning impulse resistant winding insulation structure second on major insulation square ring one it is excellent
Select embodiment schematic diagram.
Explanation: 1- the first major insulation square ring is marked in figure；The first bending part of 11-；The first cut line of 12-；2- second is main exhausted
Edge square ring；The second bending part of 21-；The second cut line of 22-；3- high-tension coil；4- low-voltage coil.
Specific embodiment
In order to be further understood that the utility model content of the utility model, elaborated below in conjunction with specific embodiment
The utility model.
As shown in Figure 1 to Figure 3, the utility model provides a kind of novel lightning impulse resistant winding insulation structure, including height
Crimping circle 3, low-voltage coil 4 and major insulation square ring, major insulation square ring setting the high-tension coil 3 and low-voltage coil 4 it
Between, the major insulation square ring is made of cardboard, wherein the major insulation square ring is wrapped in the high-tension coil 3 close to described low
Bending part is arranged in one end of crimping circle 1, the major insulation square ring, if being uniformly divided into cadre by cutting on the bending part
Point, the major insulation square ring includes the identical two parts up and down of size, respectively upper major insulation square ring and lower major insulation square ring, tool
Body, the major insulation square ring is set as two groups, respectively includes the first major insulation square ring 1 and the second major insulation square ring 2, it is described on
The width of major insulation square ring and lower major insulation square ring are as follows: L/2 ± 50mm, wherein L is the height of high-tension coil, wherein is located at outside
The first major insulation square ring 1 width are as follows: L/2+50mm, the width of internally positioned the second major insulation square ring 2 are as follows: L/2-
The first bending part 11 is arranged in 50mm, the first major insulation square ring 1, and the second bending part 22 is arranged in the second major insulation square ring 2,
Bending part is less than 3 side wall of high-tension coil for bending the coil for being covered in the high-tension coil 3, the length of bending part
To the distance of oil duct, major insulation square ring and coil dimension cooperation are processed, and after square ring is put into coil, is surrounded circle and are put into coil not for end
There is tearing phenomenon and bending part of being subject to does not block oil duct, the first major insulation square ring 1 and the second major insulation square ring 2
Several cut lines are set on bending part, are respectively as follows: the first cut line 12 and the second cut line 22, by cut line by bending part
If being divided into stem portion, and if be conducive to the covering of bending part Yu the high-tension coil 3 after being divided into stem portion, make to cover even closer
With comprehensive, the height of the upper major insulation square ring and lower major insulation square ring are as follows: C+30mm, wherein C is high-tension coil in outer turn coil
Perimeter, enable square ring around coil one week and overlap 30mm, guarantee the protection of one Zhou Junyou cardboard of coil, raising insulating properties
Can, the first major insulation square ring 1 and the collocation of the second major insulation square ring 2 are placed two layers, first major insulation angle in same layer
Ring 1 and the second major insulation square ring 2 must not overlap, and coil width is avoided to increase to size.
It will be apparent to those skilled in the art that the novel lightning impulse resistant winding insulation structure of the utility model includes above-mentioned
Each section shown by the utility model content and specific embodiment part and attached drawing of the utility model specification it is any
Combination describes one by one as space is limited and for each scheme for keeping specification concise without constituting these combinations.It is all practical at this
Within novel spirit and principle, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the utility model
Within the scope of shield.
Claims (5)
1. a kind of novel lightning impulse resistant winding insulation structure, including high-tension coil, low-voltage coil and major insulation square ring, the master
Insulation collar ring is arranged between the high-tension coil and low-voltage coil, which is characterized in that the major insulation square ring is wrapped in described
For high-tension coil close to one end of the low-voltage coil, bending part is arranged in the major insulation square ring, passes through cutting on the bending part
If being uniformly divided into stem portion.
2. novel lightning impulse resistant winding insulation structure according to claim 1, which is characterized in that the major insulation square ring
Including the identical two parts up and down of size, respectively upper major insulation square ring and lower major insulation square ring, the upper major insulation square ring and
The width of lower major insulation square ring are as follows: L/2 ± 50mm, wherein L is the height of high-tension coil.
3. novel lightning impulse resistant winding insulation structure according to claim 2, which is characterized in that the upper major insulation angle
The height of ring and lower major insulation square ring are as follows: C+30mm, wherein C is perimeter of the high-tension coil in outer turn coil.
4. novel lightning impulse resistant winding insulation structure according to claim 2, which is characterized in that the upper major insulation angle
The length of ring and lower major insulation square ring bending part is less than the end of the high-tension coil side wall to the distance of oil duct.
5. novel lightning impulse resistant winding insulation structure according to claim 4, which is characterized in that the major insulation square ring
Two groups are set as, the first major insulation square ring and the second major insulation square ring are respectively included.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920707025.3U CN209591767U (en) | 2019-05-16 | 2019-05-16 | Novel lightning impulse resistant winding insulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920707025.3U CN209591767U (en) | 2019-05-16 | 2019-05-16 | Novel lightning impulse resistant winding insulation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209591767U true CN209591767U (en) | 2019-11-05 |
Family
ID=68345379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920707025.3U Active CN209591767U (en) | 2019-05-16 | 2019-05-16 | Novel lightning impulse resistant winding insulation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209591767U (en) |
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2019
- 2019-05-16 CN CN201920707025.3U patent/CN209591767U/en active Active
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