CN209729715U - A kind of distribution transformer high-tension coil end insulation system - Google Patents
A kind of distribution transformer high-tension coil end insulation system Download PDFInfo
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- CN209729715U CN209729715U CN201920945641.2U CN201920945641U CN209729715U CN 209729715 U CN209729715 U CN 209729715U CN 201920945641 U CN201920945641 U CN 201920945641U CN 209729715 U CN209729715 U CN 209729715U
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- rubber sleeve
- wall
- binding post
- coil
- annular
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Abstract
The utility model discloses a kind of distribution transformer high-tension coil end insulation system, including transformer case, it is installed in transformer case cored, three groups of coils are wound on iron core, three pairs of posts are installed, the both ends of every group of coil pass through conducting wire and are electrically connected respectively with one of binding post in one pair of them binding post at the top of transformer case；The outside of each wire is set with rubber sleeve, and the big end of every rubber sleeve is set in the outside of binding post with being interference fitted, and the small end of every rubber sleeve is set in the outside of the exit of coil with being interference fitted；The utility model can be avoided on the junction release charge to transformer case of the junction of conducting wire and binding post and the exit of conducting wire and coil, so as to effectively transformer case be avoided to charge, and then can be avoided the generation of electric shock accidents.
Description
Technical field
The utility model relates to transformer insulation structure technical fields, and in particular to a kind of distribution transformer high-voltage coil end
Portion's insulation system.
Background technique
Distribution transformer is indispensable equipment in distribution line, installs cored, iron in the shell of distribution transformer
It is wound with coil on core, binding post is installed at the top of the shell of distribution transformer, the both ends of coil pass through conducting wire and its respectively
In the electrical connection of binding post；But after the conducting wire in distribution transformer is electrically connected with the exit of binding post and coil at present,
The junction and conducting wire of conducting wire and binding post and the junction of coil exit it is exposed outside, so, distribution transformer
At work, the junction and conducting wire of conducting wire and binding post and the junction of coil exit are easy release charge to distribution change
On the shell of depressor, to be easy the outer casing electrification so that distribution transformer, and then it is easy to cause electric shock accidents.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of distribution transformer high-tension coil end insulation system,
It is set in the outside of the outside of binding post and the exit of coil by the setting of rubber sleeve, the both ends of rubber sleeve, this
Sample one can be avoided the junction of conducting wire and binding post and the exit of conducting wire and coil in distribution transformer work
Junction discharges on charge to transformer case, so as to effectively transformer case be avoided to charge, and then can be avoided electric shock
The generation of accident.
The distribution transformer high-tension coil end insulation system of the utility model, including transformer case, transformer case
Middle installation is cored, and three groups of coils are wound on iron core, are equipped with three pairs of posts at the top of transformer case, every group of coil
Both ends pass through conducting wire and are electrically connected respectively with one of binding post in one pair of them binding post；The outside of each wire covers
Equipped with rubber sleeve, the big end of every rubber sleeve is set in the outside of binding post with being interference fitted, and the small end of every rubber sleeve is equal
Interference fit it is set in the outside of the exit of coil.
The distribution transformer high-tension coil end insulation system of the utility model, wherein the big end of every rubber sleeve it is interior
It is provided with first annular card slot on wall, is provided on the outer wall of binding post for first with the cooperation clamping of first annular card slot
Annular convex rib；It is provided with the second annular slot on the inner wall of the small end of every rubber sleeve, is set on the outer wall of the exit of coil
It is equipped with for the second annular convex rib with the cooperation clamping of the second annular slot.
The distribution transformer high-tension coil end insulation system of the utility model, wherein the big end of every rubber sleeve it is interior
It is each formed with first annular groove between wall and the outer wall of binding post, is filled with epoxy resin, every rubber in first annular groove
It is provided on the side wall of the big end of gum cover being connected to first annular groove and first annular recessed for epoxy resin to be filled into
First passage in slot；The second annular is each formed between the outer wall of the exit of the inner wall and coil of the small end of every rubber sleeve
Groove is filled with epoxy resin in second annular groove, is provided on the side wall of the small end of every rubber sleeve recessed with the second annular
Second channel that slot is connected to and for being filled into epoxy resin in second annular groove.
The distribution transformer high-tension coil end insulation system of the utility model, wherein first passage is from inside to outside gradually
Inclination upwards, second channel gradually inclination upwards from inside to outside.
The distribution transformer high-tension coil end insulation system of the utility model, wherein the big end opening of every rubber sleeve
It is provided on the inner wall at place for being oriented to the cooperation of the outer wall of binding post to facilitate rubber sleeve set to be attached to the outside binding post
One annular guide surface；It is provided on the inner wall of the small end opening of every rubber sleeve and matches for the outer wall of the exit with coil
The second annular guide surface that guiding is closed to facilitate rubber sleeve set to be attached to outside the exit of coil.
For the utility model by the setting of rubber sleeve, the both ends of rubber sleeve are set in outside and the coil of binding post
The outside of exit, so, distribution transformer work when, can be avoided conducting wire and binding post junction and conducting wire with
On the junction release charge to transformer case of the exit of coil, so as to effectively transformer case be avoided to charge, into
And it can be avoided the generation of electric shock accidents.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the partial cross-sectional structural diagram of the utility model；
Fig. 2 is amplified structural schematic diagram at A in Fig. 1；
Fig. 3 is amplified structural schematic diagram at B in Fig. 2；
Fig. 4 is amplified structural schematic diagram at C in Fig. 2.
Specific embodiment
Multiple embodiments that the utility model will be disclosed with schema below, as clearly stated, in many practices
Details will be explained in the following description.It should be appreciated, however, that the details in these practices does not apply this with limitation practical new
Type.That is, the details in these practices is non-essential in some embodiments of the utility model.In addition, for letter
For the sake of changing schema, some known usual structures and component will be painted it in the drawings in simply illustrative mode.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and non-specifically
The meaning of order or cis-position is censured, it is also non-to limit the utility model, it is retouched just for the sake of difference with same technique term
The component stated or operation are not understood to indicate or imply its relative importance or implicitly indicate indicated technology
The quantity of feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not within the protection scope of the requires of the utility model.
The distribution transformer high-tension coil end insulation system of the utility model, including transformer case 1, transformer case
Cored 2 to be installed in 1, are wound with three groups of coils 3 on iron core 2, the top of transformer case 1 is equipped with three pairs of posts 4, and every group
The both ends of coil 3 pass through conducting wire 5 and are electrically connected respectively with one of binding post 4 in one pair of them binding post 4；Each wire
5 outside is set with rubber sleeve 6, and the big end of every rubber sleeve 6 is set in the outside of binding post 4 with being interference fitted, and every
The small end of rubber sleeve 6 is set in the outside of the exit 31 of coil 3 with being interference fitted.
It is provided with first annular card slot 61 on the inner wall of the big end of every rubber sleeve 6, is provided on the outer wall of binding post 4
For the first annular convex ribs 41 with the cooperation clamping of first annular card slot 61；It is respectively provided on the inner wall of the small end of every rubber sleeve 6
There is the second annular slot 62, is provided on the outer wall of the exit 31 of coil 3 for cooperating clamping with the second annular slot 62
Second annular convex rib 32；After by using this structure, the installation jail of rubber sleeve and binding post and coil exit can be improved
Soundness can effectively avoid rubber sleeve from the phenomenon that being detached from binding post or being detached from coil exit occur.
It is each formed with first annular groove 7 between the inner wall of the big end of every rubber sleeve 6 and the outer wall of binding post 4, first
It is filled with epoxy resin 8 in annular groove 7, is provided on the side wall of the big end of every rubber sleeve 6 and is connected to first annular groove 7
And for the first passage 63 that is filled into epoxy resin 8 in first annular groove 7；The inner wall of the small end of every rubber sleeve 6
It is each formed with second annular groove 9 between the outer wall of the exit 31 of coil 3, is filled with asphalt mixtures modified by epoxy resin in second annular groove 9
Rouge 8 is provided on the side wall of the small end of every rubber sleeve 6 being connected to second annular groove 9 and for filling epoxy resin 8
To the second channel 64 in second annular groove 9；After by using this structure, pairs of posts and coil exit can be improved
Insulation effect, and can be improved the degree of firmly installing of rubber sleeve Yu binding post and coil exit.
The gradually inclination upwards from inside to outside of first passage 63, the gradually inclination upwards from inside to outside of second channel 64；By adopting
After this structure, more easily epoxy resin can be circulated into first annular groove and second annular groove, and can
The epoxy resin not dried up is avoided to spill from first annular groove and second annular groove.
Be provided on the inner wall of the big end opening of every rubber sleeve 6 for the cooperation of the outer wall of binding post 4 be oriented to
Facilitate 6 sets of the rubber sleeve first annular guide surfaces 65 being attached to outside binding post 4；The inner wall of the small end opening of every rubber sleeve 6
On be provided with for the exit 31 with coil 3 outer wall cooperation guiding to facilitate 6 sets of the rubber sleeve exits for being attached to coil 3
The second annular guide surface 66 outside 31；After by using this structure, rubber sleeve, which can easily cover, is attached to the outer of binding post
The outside in portion and coil exit.
For the utility model by the setting of rubber sleeve, the both ends of rubber sleeve are set in outside and the coil of binding post
The outside of exit, so, distribution transformer work when, can be avoided conducting wire and binding post junction and conducting wire with
On the junction release charge to transformer case of the exit of coil, can reach junction to conducting wire and binding post and
The purpose of the insulation of the junction of the exit of conducting wire and coil, so as to effectively transformer case be avoided to charge, Jin Erneng
Enough avoid the generation of electric shock accidents.
The foregoing is merely the embodiments of the present invention, are not intended to limit the utility model.For ability
For field technique personnel, various modifications and changes may be made to the present invention.It is all the utility model spirit and principle in
Any modification, equivalent replacement, improvement and so on should all include within the scope of the claims of the utility model.
Claims (5)
1. a kind of distribution transformer high-tension coil end insulation system, including transformer case (1), the transformer case (1)
Middle installation cored (2) is wound with three groups of coils (3) on the iron core (2), is equipped at the top of the transformer case (1)
Three pairs of posts (4), the both ends of every group of coil (3) pass through conducting wire (5) respectively with wherein one in one pair of them binding post (4)
A binding post (4) electrical connection；It is characterized by: the outside of each wire (5) is set with rubber sleeve (6), every rubber sleeve (6)
Big end be set in the outsides of binding post (4) with being interference fitted, the small end of every rubber sleeve (6) is set in being interference fitted
The outside of the exit (31) of coil (3).
2. distribution transformer high-tension coil according to claim 1 end insulation system, which is characterized in that every rubber sleeve
(6) it is provided with first annular card slot (61), is provided on the outer wall of the binding post (4) for on the inner wall of big end
The first annular convex ribs (41) of one annular slot (61) cooperation clamping；It is provided on the inner wall of the small end of every rubber sleeve (6)
Second annular slot (62), be provided on the outer wall of the exit (31) of the coil (3) for the second annular slot (62)
Cooperate the second annular convex rib (32) of clamping.
3. distribution transformer high-tension coil according to claim 1 end insulation system, which is characterized in that every rubber sleeve
(6) first annular groove (7), the first annular groove are each formed between the outer wall of the inner wall and binding post (4) of big end
(7) epoxy resin (8) are filled in, is provided on the side wall of the big end of every rubber sleeve (6) and is connected to first annular groove (7)
And for the first passage (63) that is filled into epoxy resin (8) in first annular groove (7)；Every rubber sleeve (6) it is small
It is each formed with second annular groove (9) between the outer wall of the exit (31) of the inner wall and coil (3) at end, second annular is recessed
Epoxy resin (8) are filled in slot (9), are provided on the side wall of the small end of every rubber sleeve (6) with second annular groove (9) even
Second channel (64) logical and for being filled into epoxy resin (8) in second annular groove (9).
4. distribution transformer high-tension coil according to claim 3 end insulation system, which is characterized in that described first is logical
Road (63) gradually inclination upwards from inside to outside, the second channel (64) gradually inclination upwards from inside to outside.
5. distribution transformer high-tension coil according to claim 1 end insulation system, which is characterized in that every rubber sleeve
(6) it is provided on the inner wall of big end opening for being oriented to the cooperation of the outer wall of binding post (4) to facilitate rubber sleeve (6) to cover
It is attached to the external first annular guide surface (65) of binding post (4)；It is respectively provided on the inner wall of the small end opening of every rubber sleeve (6)
There is the outer wall cooperation guiding for the exit (31) with coil (3) to facilitate rubber sleeve (6) set to be attached to the exit of coil (3)
(31) the annular guide surface (66) of external second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920945641.2U CN209729715U (en) | 2019-06-22 | 2019-06-22 | A kind of distribution transformer high-tension coil end insulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920945641.2U CN209729715U (en) | 2019-06-22 | 2019-06-22 | A kind of distribution transformer high-tension coil end insulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209729715U true CN209729715U (en) | 2019-12-03 |
Family
ID=68675591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920945641.2U Expired - Fee Related CN209729715U (en) | 2019-06-22 | 2019-06-22 | A kind of distribution transformer high-tension coil end insulation system |
Country Status (1)
| Country | Link |
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| CN (1) | CN209729715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145992A (en) * | 2020-01-02 | 2020-05-12 | 蔡燕旋 | Power transformer outgoing line lead insulation assembly |
-
2019
- 2019-06-22 CN CN201920945641.2U patent/CN209729715U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145992A (en) * | 2020-01-02 | 2020-05-12 | 蔡燕旋 | Power transformer outgoing line lead insulation assembly |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20200622 |
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| CF01 | Termination of patent right due to non-payment of annual fee |