CN215451139U - Oil-immersed transformer coil iron yoke insulation mechanism - Google Patents
Oil-immersed transformer coil iron yoke insulation mechanism Download PDFInfo
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- CN215451139U CN215451139U CN202122033273.4U CN202122033273U CN215451139U CN 215451139 U CN215451139 U CN 215451139U CN 202122033273 U CN202122033273 U CN 202122033273U CN 215451139 U CN215451139 U CN 215451139U
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- iron yoke
- cushion block
- yoke
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Abstract
The utility model relates to the technical field of transformers, in particular to an insulating mechanism for an iron yoke of a coil of an oil-immersed transformer. The coil comprises coils arranged side by side, wherein an upper iron yoke insulating cushion block and a lower iron yoke insulating cushion block are respectively arranged at the upper end and the lower end of each coil, insulating partition plates are respectively arranged on the outer surfaces of the adjacent upper iron yoke insulating cushion blocks and the adjacent lower iron yoke insulating cushion blocks, and the two ends of each insulating partition plate are respectively connected with the corresponding adjacent upper iron yoke insulating cushion block or the corresponding lower iron yoke insulating cushion block; and an iron yoke clapboard is arranged between the adjacent upper iron yoke insulating cushion block and the lower iron yoke insulating cushion block. Through setting up insulating cushion of indisputable yoke and insulating cushion and insulating baffle and indisputable yoke baffle etc. down, can strengthen the insulating effect of mechanism to its simple structure easily manufactures.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to an insulating mechanism for an iron yoke of a coil of an oil-immersed transformer.
Background
A transformer is a stationary electrical device used to transform ac voltage, current and transmit ac power. The electric energy transmission is realized according to the principle of electromagnetic induction. Transformers can be classified into power transformers, test transformers, instrument transformers, and transformers for special purposes, in terms of their use: the power transformer is necessary equipment for power transmission and distribution and power consumer distribution; the device is used for carrying out voltage withstand (boosting) test on electrical equipment by the test transformer; the instrument transformer is used for electrical measurement and relay protection of a power distribution system.
A power transformer is a stationary electrical device that is used to transform an ac voltage (current) of a certain value into another voltage (current) of the same frequency or different values. When the primary winding is energized with an alternating current, an alternating magnetic flux is generated, and the alternating magnetic flux is magnetically conducted through the iron core, so that an alternating electromotive force is induced in the secondary winding. The level of the secondary induced electromotive force is related to the number of turns of the primary winding, i.e. the voltage is proportional to the number of turns.
The oil-immersed transformer adopts a fully-filled sealed corrugated oil tank shell, and is a permanently sealed oil tank by adapting to the expansion of oil through the elasticity of the oil-immersed transformer, and the oil-immersed transformer is widely applied to various distribution equipment.
The insulation of the transformer iron yoke adopts an insulating washer which is about 10mm larger than the end part of the coil, then eight cushion blocks are pasted on the washer and placed between the end part of the coil and the iron yoke, and the function of the cushion blocks is to compress the coil and strengthen the insulation between the iron yoke and the coil; but the manufacture is troublesome and the use cost is high.
Therefore, there is a need for an insulation mechanism for coil yoke of oil-immersed transformer that can solve the above problems.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an insulation mechanism for coil yoke of oil-immersed transformer, which is simple to manufacture and can enhance the insulation effect.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides an oil-immersed transformer coil iron yoke insulation mechanism which comprises coils arranged side by side, wherein an upper iron yoke insulation cushion block and a lower iron yoke insulation cushion block are respectively arranged at the upper end and the lower end of each coil;
and an iron yoke clapboard is arranged between the adjacent upper iron yoke insulating cushion block and the lower iron yoke insulating cushion block.
And furthermore, two insulation partition plates are arranged on the outer surfaces of the upper iron yoke insulation cushion block and the lower iron yoke insulation cushion block, and the insulation partition plates positioned on the same side are symmetrically arranged on the upper side and the lower side of the upper iron yoke insulation cushion block or the lower iron yoke insulation cushion block.
Furthermore, two ends of the yoke insulating plate located on the same side are respectively arranged between the two insulating plates and the upper yoke insulating pad or the lower yoke insulating pad.
Further, the upper iron yoke insulating cushion block comprises an upper insulating pressing plate, a first insulating cushion block is arranged on the inner surface of the upper insulating pressing plate, and second insulating cushion blocks are arranged on the outer surfaces of the upper insulating pressing plates on the coils at the two ends.
Furthermore, the first insulating cushion blocks are uniformly distributed on the upper insulating pressing plate in an annular mode.
Furthermore, the second insulating cushion blocks are symmetrically arranged on the upper side and the lower side of the outer surface of the upper insulating pressing plate.
Further, the lower iron yoke insulating cushion block comprises a lower insulating pressing plate, a third insulating cushion block is arranged on the inner surface of the lower insulating pressing plate, and fourth insulating cushion blocks are arranged on the outer surfaces of the lower insulating pressing plates on the coils at the two ends.
Furthermore, the third insulating cushion blocks are annularly and uniformly distributed on the lower insulating pressing plate.
Furthermore, the fourth insulating cushion blocks are symmetrically arranged on the upper side and the lower side of the outer surface of the lower insulating pressing plate.
Furthermore, a guard plate is arranged on the upper iron yoke insulating cushion block.
The utility model has the beneficial effects that:
through set up yoke insulating pad and yoke insulating pad down on the coil, set up insulating barrier between yoke insulating pad and the yoke insulating pad down on adjacent to set up yoke baffle between yoke insulating pad and the yoke insulating pad down on adjacent, can strengthen the insulating ability of mechanism, and its simple structure, easily manufacturing.
Drawings
In order to make the object, technical scheme and beneficial effect of the utility model more clear, the utility model provides the following drawings for explanation:
fig. 1 is a partial view of an embodiment of an insulation mechanism for an iron yoke of a coil of an oil-immersed transformer according to the present invention;
FIG. 2 is a top view of an embodiment of an insulation mechanism for a coil yoke of an oil-immersed transformer according to the present invention;
FIG. 3 is a top view of the upper yoke insulating spacer;
FIG. 4 is a side view of the upper yoke insulating spacer;
FIG. 5 is a bottom view of the upper yoke insulating spacer;
FIG. 6 is a top view of the lower yoke spacer;
FIG. 7 is a side view of the lower yoke spacer;
FIG. 8 is a bottom view of the lower yoke insulating spacer;
description of reference numerals:
1-a coil; 2-upper iron yoke insulating cushion block; 21-upper insulating platen; 3-lower iron yoke insulating cushion block; 31-lower insulating platen; 4-an insulating spacer; 5-a first insulating block; 6-a second insulating block; 7-a third insulating block; 8-a fourth insulating block; 9-protecting plate; 10-yoke spacer.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
Fig. 1 and fig. 2 are a partial view and a top view of an embodiment of an insulation mechanism for a coil iron yoke of an oil-immersed transformer according to the present invention. The coil yoke insulation mechanism of the oil-immersed transformer comprises coils 1 arranged side by side, specifically, three coils are arranged in the embodiment, an upper yoke insulation cushion block 2 and a lower yoke insulation cushion block 3 are respectively arranged at the upper end and the lower end of each coil 1, insulation partition plates 4 are arranged on the outer surfaces of the adjacent upper yoke insulation cushion block 2 and the adjacent lower yoke insulation cushion block 3, and two ends of each insulation partition plate 4 are respectively connected with the corresponding adjacent upper yoke insulation cushion block 2 or the corresponding adjacent lower yoke insulation cushion block 3;
and an iron yoke clapboard 10 is arranged between the adjacent upper iron yoke insulating cushion block 2 and the lower iron yoke insulating cushion block 3.
Through setting up yoke insulating pad 2 and yoke insulating pad 3 and insulating baffle 4 and yoke baffle 10 etc. down, can strengthen the insulating effect of mechanism to and its simple structure easily produces manufacturing.
Further, as shown in fig. 2, in the present embodiment, two insulating spacers 4 are disposed on the outer surfaces of the adjacent upper yoke insulating pad 2 and lower yoke insulating pad 3, and the insulating spacers 4 located on the same side are symmetrically disposed on the upper and lower sides of the upper yoke insulating pad 2 or lower yoke insulating pad 3. The two insulating partition plates 4 arranged symmetrically can further enhance the insulating capability of the device.
Further, as shown in fig. 2, in the present embodiment, two ends of the yoke spacer 10 located on the same side are respectively disposed between the two insulating spacers 4 and the upper yoke insulating spacer 2 or the lower yoke insulating spacer 3, and the yoke spacer 10 may be clamped by using the insulating spacers 4.
Further, as shown in fig. 3 to 5, the upper yoke insulating spacer 2 of the present embodiment includes an upper insulating pressing plate 21, a first insulating spacer 5 is provided on an inner surface of the upper insulating pressing plate 21, and a second insulating spacer 6 is provided on an outer surface of the upper insulating pressing plate 21 on the coils 1 at both ends; the lower iron yoke insulating pad 3 comprises a lower insulating pressing plate 31, a third insulating pad 7 is arranged on the inner surface of the lower insulating pressing plate 31, and a fourth insulating pad 8 is arranged on the outer surface of the lower insulating pressing plate 31 on the coils 1 at two ends. Specifically, the upper insulating pressing plate 21 and the lower insulating pressing plate 31 in this embodiment are made of wood plates with good insulating property, and the upper insulating pressing plate 21 and the lower insulating pressing plate 31 play a role in insulating and pressing the mechanism. The insulating ability that sets up first, second, third and fourth insulating cushion can further hoisting device, and first, second, third and fourth insulating cushion all can adopt insulating paper board to make, and is with low costs, is convenient for acquire.
Further, as shown in fig. 5, the first insulating pads 5 of the present embodiment are annularly and uniformly distributed on the upper insulating pressing plate 21, and the third insulating pads 7 are annularly and uniformly distributed on the lower insulating pressing plate 31. The insulating ability of the device can be further improved, and the structural stability of the device can be improved.
Further, as shown in fig. 3, the second insulating spacers 6 of the present embodiment are symmetrically disposed on the upper and lower sides of the outer surface of the upper insulating platen 21, and the fourth insulating spacers 8 are symmetrically disposed on the upper and lower sides of the outer surface of the lower insulating platen 31. The insulating ability of the device can be further improved, and the structural stability of the device can be improved.
Further, as shown in fig. 1, the upper yoke insulating pad 2 of the present embodiment is provided with a protector plate 9.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the utility model is all within the protection scope of the utility model. The protection scope of the utility model is subject to the claims.
Claims (10)
1. The utility model provides an oil-immersed transformer coil yoke insulating mechanism which characterized in that: the coil comprises coils (1) which are arranged side by side, wherein an upper iron yoke insulating cushion block (2) and a lower iron yoke insulating cushion block (3) are respectively arranged at the upper end and the lower end of each coil (1), insulating partition plates (4) are arranged on the outer surfaces of the upper iron yoke insulating cushion block (2) and the lower iron yoke insulating cushion block (3) adjacent to each other, and the two ends of each insulating partition plate (4) are respectively connected with the corresponding adjacent upper iron yoke insulating cushion block (2) or lower iron yoke insulating cushion block (3);
and an iron yoke clapboard (10) is arranged between the adjacent upper iron yoke insulating cushion block (2) and the lower iron yoke insulating cushion block (3).
2. The oil filled transformer coil iron yoke insulation mechanism of claim 1, wherein: and the outer surfaces of the upper iron yoke insulating cushion block (2) and the lower iron yoke insulating cushion block (3) are respectively provided with two insulating partition plates (4), which are positioned on the same side, the insulating partition plates (4) are symmetrically arranged on the upper side and the lower side of the upper iron yoke insulating cushion block (2) or the lower iron yoke insulating cushion block (3).
3. The oil filled transformer coil iron yoke insulation mechanism of claim 2, wherein: the two ends of the iron yoke partition plate (10) positioned on the same side are respectively arranged between the two insulating partition plates (4) and the upper iron yoke insulating cushion block (2) or the lower iron yoke insulating cushion block (3).
4. The oil filled transformer coil iron yoke insulation mechanism of claim 1, wherein: go up indisputable yoke insulating pad (2) and include upper insulation clamp plate (21), the internal surface of upper insulation clamp plate (21) is equipped with first insulating pad (5), is located both ends coil (1) is last upper insulation clamp plate (21) surface is equipped with second insulating pad (6).
5. The oil filled transformer coil iron yoke insulation mechanism of claim 4, wherein: the first insulating cushion blocks (5) are annularly and uniformly distributed on the upper insulating pressing plate (21).
6. The oil filled transformer coil iron yoke insulation mechanism of claim 4, wherein: the second insulating cushion blocks (6) are symmetrically arranged on the upper side and the lower side of the outer surface of the upper insulating pressing plate (21).
7. The oil filled transformer coil iron yoke insulation mechanism of claim 1, wherein: lower yoke insulating pad (3) are including lower insulating clamp plate (31), the internal surface of lower insulating clamp plate (31) is equipped with third insulating pad (7), is located both ends coil (1) is last lower insulating clamp plate (31) surface is equipped with fourth insulating pad (8).
8. The oil filled transformer coil iron yoke insulation mechanism of claim 7, wherein: and the third insulating cushion blocks (7) are annularly and uniformly distributed on the lower insulating pressing plate (31).
9. The oil filled transformer coil iron yoke insulation mechanism of claim 7, wherein: and the fourth insulating cushion blocks (8) are symmetrically arranged on the upper side and the lower side of the outer surface of the lower insulating pressing plate (31).
10. The oil filled transformer coil iron yoke insulation mechanism of claim 1, wherein: and a guard plate (9) is arranged on the upper iron yoke insulating cushion block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122033273.4U CN215451139U (en) | 2021-08-26 | 2021-08-26 | Oil-immersed transformer coil iron yoke insulation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122033273.4U CN215451139U (en) | 2021-08-26 | 2021-08-26 | Oil-immersed transformer coil iron yoke insulation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215451139U true CN215451139U (en) | 2022-01-07 |
Family
ID=79696504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122033273.4U Active CN215451139U (en) | 2021-08-26 | 2021-08-26 | Oil-immersed transformer coil iron yoke insulation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215451139U (en) |
-
2021
- 2021-08-26 CN CN202122033273.4U patent/CN215451139U/en active Active
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