CN205645494U - A insulating end coils for oil -immersed transformer or reactor - Google Patents
A insulating end coils for oil -immersed transformer or reactor Download PDFInfo
- Publication number
- CN205645494U CN205645494U CN201620461661.9U CN201620461661U CN205645494U CN 205645494 U CN205645494 U CN 205645494U CN 201620461661 U CN201620461661 U CN 201620461661U CN 205645494 U CN205645494 U CN 205645494U
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- dead ring
- oil
- reactor
- insulation cushion
- cushion block
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Abstract
The utility model discloses an insulating end coils for oil -immersed transformer or reactor, including the dead ring, major insulation cushion and supplementary cross -over block, the dead ring is insulating end coils's skeleton, the internal diameter of dead ring adds for the winding internal diameter or subtracts 0.5 millimeter back round numbers, the same position of terminal surface interval distribution's a plurality of major insulation cushions such as all bond about the dead ring, the outer tip of each major insulation cushion flushes with the external diameter facial features of dead ring, the interior tip of each major insulation cushion extends the unsettled section of inner surface formation of dead ring, it has supplementary cross -over block to bond between the unsettled section of the same position department of two terminal surfaces of dead ring. The utility model discloses fitting an insulating end coils for oil -immersed transformer or reactor, having enlarged the internal diameter size of dead ring, eliminated and produced the hidden danger that obstructs the oil stream, increased the oil stream heat -sinking capability who flows through the winding, reduced the materials of dead ring, the sound construction is simple, and easy realization has good application prospect.
Description
Technical field
This utility model relates to a kind of for oil-filled transformer or the insulating end ring of reactor, belongs to transformator (or reactor) component technology field.
Background technology
The winding of oil-filled transformer (or reactor) is immersed in transformer oil, dielectric is exactly oil, the type of cooling has self cooling, air-cooled and forced oil-circulation cooling, its advantage is good cooling results, can meet Large Copacity, and Buchholz relay can reflect the fault of winding in time, ensure the stable operation of power system, applied widely, therefore, it is widely used.The heat dispersion of oil-filled transformer (or reactor) is one of its key index.At present, insulating end ring in oil-filled transformer (or reactor) uses the structure that the interior outer face of cross-over block is concordant with insulating paper circle (dead ring) interior outer radius, but, owing to insulating paper circle internal diameter is little, general inside radius is away from internal paper web outer radius about 6-8 millimeter, insulating paper circle internal diameter is little, easily occurs hindering the flowing of insulating oil, makes the radiating efficiency of insulating oil reduce；Interior outer radius additionally, due to insulating paper circle is concordant with the end face of cross-over block, can compare waste insulant, increases the cost of manufacture of oil-filled transformer (or reactor).
Utility model content
This utility model purpose is to overcome the existing insulating end ring oil flow channel for oil-filled transformer or reactor little, easily occurs hindering the flowing of insulating oil, makes the radiating efficiency of insulating oil reduce, and the problem wasting insulating paper loop material.Of the present utility model for oil-filled transformer or the insulating end ring of reactor, expand the internal diameter size of dead ring, eliminate and produce the hidden danger hindering oil stream, add the oily flow heat dissipation ability flowing through winding, reduce the materials of dead ring, sound construction is simple, easily realizes, has a good application prospect.
In order to achieve the above object, this utility model be the technical scheme is that
A kind of for oil-filled transformer or the insulating end ring of reactor, it is characterized in that: include dead ring, major insulation cushion block and supplementary insulation cushion block, described dead ring is the skeleton of insulating end ring, the same position of described dead ring upper and lower end face is all bonded with the some pieces of major insulation cushion blocks being spacedly distributed, each outer end of major insulation cushion block flushes with the outer diameter face of dead ring, the inner end of each major insulation cushion block extends the aperture surface of dead ring and forms unsettled section, is bonded with supplementary insulation cushion block between unsettled section at two end face same positions of described dead ring.
It is aforesaid a kind of for oil-filled transformer or the insulating end ring of reactor, it is characterised in that: described dead ring uses insulating paper circle coiling to form.
It is aforesaid a kind of for oil-filled transformer or the insulating end ring of reactor, it is characterised in that: the internal diameter of described dead ring is that oil-filled transformer winding inner diameter adds deduct round numbers millimeter after 0.5 millimeter.
It is aforesaid a kind of for oil-filled transformer or the insulating end ring of reactor, it is characterised in that: the quantity being bonded with major insulation cushion block on described dead ring upper and lower end face is that the diameter according to oil-filled transformer (or reactor) winding determines.
The beneficial effects of the utility model are: of the present utility model for oil-filled transformer or the insulating end ring of reactor, the inner end being no longer required for major insulation cushion block is concordant with the aperture surface of dead ring, expand the internal diameter size of dead ring, eliminate and produce the hidden danger hindering oil stream, add the oily flow heat dissipation ability flowing through winding, employing supplementary insulation cushion block is used for supporting unsettled section of each major insulation cushion block, ensure not changed by dynamics of major insulation cushion block, the materials of dead ring can also be reduced, simple in construction, easily realize, have a good application prospect.
Accompanying drawing explanation
Fig. 1 is of the present utility model for oil-filled transformer or the structural representation of the insulating end ring of reactor.
Fig. 2 is major insulation cushion block of the present utility model, the location diagram of supplementary insulation cushion block.
In accompanying drawing, the implication of labelling is as follows:
1: dead ring；2: major insulation cushion block；201: unsettled section；3: supplementary insulation cushion block.
Detailed description of the invention
Below in conjunction with Figure of description, this utility model is described further.Following example are only used for clearly illustrating the technical solution of the utility model, and can not limit protection domain of the present utility model with this.
As shown in Figures 1 and 2, this utility model is applicable to the insulating end ring of oil-filled transformer or reactor, including dead ring 1, major insulation cushion block 2 and supplementary insulation cushion block 3, dead ring 1 is the skeleton of insulating end ring, described dead ring 1 use insulating paper circle coiling and, the internal diameter of dead ring 1 is that oil-filled transformer (or reactor) winding inner diameter adds deduct round numbers millimeter after 0.5 millimeter, internal diameter more than traditional insulating paper circle, thus expand the internal diameter size of dead ring, eliminate and produce the hidden danger hindering oil stream, add the oily flow heat dissipation ability flowing through winding.
The same position of described dead ring 1 upper and lower end face is all bonded with the some pieces of major insulation cushion blocks 2 being spacedly distributed, the outer end of each major insulation cushion block 2 flushes with the outer diameter face of dead ring 1, the inner end of each major insulation cushion block 2 extends the aperture surface of dead ring 1 and forms unsettled section 201, the inner end being no longer required for major insulation cushion block 2 is concordant with the aperture surface of dead ring, is bonded with supplementary insulation cushion block 3 between unsettled section 201 at the same position of 1 two ends of dead ring.
The quantity being bonded with major insulation cushion block 2 on described dead ring 1 upper and lower end face is that the diameter according to oil-filled transformer (or reactor) winding determines, if the winding that diameter is big, the quantity of the major insulation cushion block 2 being furnished be 12 pieces and more than；If the winding that diameter is little, the quantity of the major insulation cushion block 2 being furnished with may be 4 pieces, 8 pieces or 10 pieces.
Of the present utility model for oil-filled transformer or the insulating end ring of reactor, operation principle is as follows, dead ring 1 is as the skeleton of insulating end ring, polylith major insulation cushion block 2 is bonded on dead ring 1, dead ring 1 plays the insulation oil reservoir to winding overhang and is separated, improve the disruptive field intensity of insulating oil, insulating end ring of the present utility model can change the internal-and external diameter of dead ring in the past and the pattern of major insulation cushion block consistent size, the internal diameter size making dead ring 1 amplifies, that improves insulating oil passes through flow, it is bonded with supplementary insulation cushion block 3 between at the same position of dead ring 1 upper and lower end face unsettled section 201, ensure that not changed by dynamics of major insulation cushion block, the materials of dead ring can also be reduced.
In sum, of the present utility model for oil-filled transformer or the insulating end ring of reactor, the inner end being no longer required for major insulation cushion block is concordant with the aperture surface of dead ring, expand the internal diameter size of dead ring, eliminate and produce the hidden danger hindering oil stream, add the oily flow heat dissipation ability flowing through winding, employing supplementary insulation cushion block is used for supporting unsettled section of each major insulation cushion block, ensure not changed by dynamics of major insulation cushion block, the materials of dead ring can also be reduced, simple in construction, easily realizes, and has a good application prospect.
Of the present utility model ultimate principle, principal character and advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description, principle of the present utility model is simply described; on the premise of without departing from this utility model spirit and scope; this utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (4)
1. one kind is used for oil-filled transformer or the insulating end ring of reactor, it is characterized in that: include dead ring (1), major insulation cushion block (2) and supplementary insulation cushion block (3), described dead ring (1) is the skeleton of insulating end ring, the same position of described (1) two end face of dead ring is all bonded with the some pieces of major insulation cushion blocks (2) being spacedly distributed, the outer end of each major insulation cushion block (2) flushes with the outer diameter face of dead ring (1), the inner end of each major insulation cushion block (2) extends the aperture surface of dead ring (1) and forms unsettled section (201), it is bonded with supplementary insulation cushion block (3) between unsettled section (201) at the same position of described (1) two end face of dead ring.
It is the most according to claim 1 a kind of for oil-filled transformer or the insulating end ring of reactor, it is characterised in that: described dead ring (1) uses insulating paper circle coiling to form.
It is the most according to claim 1 a kind of for oil-filled transformer or the insulating end ring of reactor, it is characterised in that: the internal diameter of described dead ring (1) is oil-filled transformer or reactor winding inner diameter adds deduct round numbers millimeter after 0.5 millimeter.
The most according to claim 1 a kind of for oil-filled transformer or the insulating end ring of reactor, it is characterized in that: on described dead ring (1) upper and lower end face, be bonded with major insulation cushion block (2), wherein the quantity of major insulation cushion block (2) determines according to the stay number of oil-filled transformer or reactor winding, and stay number is then determined by the coil diameter of transformator or reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620461661.9U CN205645494U (en) | 2016-05-20 | 2016-05-20 | A insulating end coils for oil -immersed transformer or reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620461661.9U CN205645494U (en) | 2016-05-20 | 2016-05-20 | A insulating end coils for oil -immersed transformer or reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205645494U true CN205645494U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620461661.9U Active CN205645494U (en) | 2016-05-20 | 2016-05-20 | A insulating end coils for oil -immersed transformer or reactor |
Country Status (1)
| Country | Link |
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| CN (1) | CN205645494U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840460A (en) * | 2017-04-26 | 2017-06-13 | 国网上海市电力公司 | Transformer top-oil temperature assay method |
| CN108597864A (en) * | 2018-06-08 | 2018-09-28 | 河南森源电气股份有限公司 | Transformer terminal circle makes auxiliary mould |
| CN113270243A (en) * | 2021-04-25 | 2021-08-17 | 山东输变电设备有限公司 | Coil insulation end ring structure and manufacturing method thereof |
-
2016
- 2016-05-20 CN CN201620461661.9U patent/CN205645494U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840460A (en) * | 2017-04-26 | 2017-06-13 | 国网上海市电力公司 | Transformer top-oil temperature assay method |
| CN106840460B (en) * | 2017-04-26 | 2019-03-26 | 国网上海市电力公司 | Transformer top-oil temperature measuring method |
| CN108597864A (en) * | 2018-06-08 | 2018-09-28 | 河南森源电气股份有限公司 | Transformer terminal circle makes auxiliary mould |
| CN113270243A (en) * | 2021-04-25 | 2021-08-17 | 山东输变电设备有限公司 | Coil insulation end ring structure and manufacturing method thereof |
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