CN108666109B - Plug assembly, transformer bushing and use method of plug assembly - Google Patents
Plug assembly, transformer bushing and use method of plug assembly Download PDFInfo
- Publication number
- CN108666109B CN108666109B CN201810352230.2A CN201810352230A CN108666109B CN 108666109 B CN108666109 B CN 108666109B CN 201810352230 A CN201810352230 A CN 201810352230A CN 108666109 B CN108666109 B CN 108666109B
- Authority
- CN
- China
- Prior art keywords
- transformer
- plug
- sleeve
- fixedly connected
- plug assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title abstract description 9
- 239000004593 Epoxy Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000004020 conductor Substances 0.000 claims description 18
- 229910052573 porcelain Inorganic materials 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 7
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/125—Other insulating structures; Insulating between coil and core, between different winding sections, around the coil
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention relates to a plug-in assembly for a transformer incoming line, a transformer bushing and a use method of the plug-in assembly, wherein the plug-in assembly comprises an epoxy seat and a plug; the epoxy seat is suitable for sealing an opening at the wiring position of the transformer; the plug is fixedly connected with the epoxy seat after being inserted. The opening at the wiring position of the transformer is sealed through the epoxy seat, so that the transformer oil in the transformer is prevented from being polluted by air. The invention can be integrally combined into a novel transformer bushing.
Description
Technical Field
The invention relates to the field of transformers, in particular to a plug assembly, a transformer bushing and a use method of the plug assembly.
Background
Transformer bushings are a very traditional power product that is a component that solves the high voltage overhead line passing through the transformer housing and connecting to the conductors of the transformer coil. When a common transformer bushing is installed on an engineering site, transformer oil in a transformer shell is necessarily exposed to the air, the transformer oil exposed to the air is easily polluted by the air, the transformer oil is required to be treated again, a large amount of manpower and material resources are wasted, and the engineering progress is delayed.
Disclosure of Invention
The invention aims to provide a plug assembly, a transformer bushing and a using method thereof, so as to realize the purpose of sealing transformer oil in a transformer.
In order to achieve the above object, the technical scheme adopted by the embodiment of the invention is as follows:
the embodiment of the invention provides a plug-in assembly for a transformer incoming line, which comprises the following components: an epoxy seat and a plug;
the epoxy seat is suitable for sealing an opening at the wiring position of the transformer;
the plug is fixedly connected with the epoxy seat after being inserted.
In a preferred embodiment of the present invention, the epoxy base includes a base body and a connecting structural member;
the plug-in assembly is provided with a via hole which is suitable for a conductor to pass through;
the connecting structural member is fixedly connected with the seat body at one end close to the plug, and the connecting structural member is suitable for electrically connecting the lead wire of the transformer with the conductor.
In a preferred embodiment of the present invention, the connection structure comprises: the connecting rod, the spring contact finger and the conductor insert;
the connecting structural member is in a cylindrical shape;
the spring contact finger sleeve is arranged on the conductor insert;
the conductor insert is inserted into the cavity of the connecting rod and is adapted to be electrically connected with the connecting rod by means of spring contact fingers.
The embodiment of the invention also provides a sleeve body and the plug assembly;
one end of the plug assembly is fixedly connected with the sleeve body;
and one end of the plug assembly, which is far away from the sleeve body, is fixedly connected with a shell of a transformer.
In a preferred embodiment of the present invention, the sleeve body includes a second stress cone, a support flange, a sleeve base, and a porcelain sleeve or a composite sleeve;
the sleeve base is fixedly connected with the bottom of the porcelain sleeve or the composite sleeve;
the second stress cone is arranged in the inner cavity of the porcelain sleeve or the composite sleeve and is suitable for being fixedly connected with the sleeve base through the support flange.
The embodiment of the invention also provides a use method of the plug assembly, which comprises the following steps: an epoxy seat and a plug suitable for connecting a high-voltage overhead line or a cable incoming line;
the epoxy seat is suitable for sealing an opening at the wiring position of the transformer;
the plug is fixedly connected with the epoxy seat after being inserted.
In a preferred embodiment of the invention, when the incoming line of the transformer is in a high-voltage overhead line state, the high-voltage overhead line is connected with the plug assembly through the sleeve body;
when the transformer inlet wire is in a cable inlet wire state, the cable inlet wire is led in through the plug-in assembly.
In a preferred embodiment of the invention, the plug assembly is adapted to use a plug assembly as described above.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
the embodiment of the invention provides a plug assembly for a transformer incoming line, a transformer bushing and a use method of the plug assembly, wherein the plug assembly comprises an epoxy seat and a plug; the epoxy seat is suitable for sealing an opening at the wiring position of the transformer; the plug is fixedly connected with the epoxy seat after being inserted. The opening at the wiring position of the transformer is sealed through the epoxy seat, so that the transformer oil in the transformer is prevented from being polluted by air; the invention can be integrally combined into a novel transformer bushing.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 shows a schematic structural diagram of a plug assembly according to an embodiment of the present invention.
Fig. 2 shows a schematic structural diagram of a transformer bushing according to an embodiment of the present invention.
In the figure: 110-plug; 111-cone holders; 112-a first stress cone; 120-epoxy base; 121-a seat body; 122-connecting structural members; 1221-connecting rods; 1222-spring fingers; 1223-conductor insert; 130-a sleeve body; 131-a second stress cone; 132-a support flange; 133-a sleeve mount; 134-porcelain or composite.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
First embodiment
Referring to fig. 1, an embodiment of the present invention provides a plug assembly for a transformer incoming line. The grafting subassembly of transformer inlet wire includes: epoxy mount 120 and plug 110; the epoxy base 120 is suitable for sealing an opening at the wiring of the transformer; the plug 110 is fixedly connected with the epoxy base 120 after being plugged. The opening at the wiring of the transformer is sealed by the epoxy seat 120, so that the transformer oil in the transformer is prevented from being polluted by air.
Wherein the epoxy base 120 includes a base body 121 and a connecting structural member 122; the plug-in assembly is provided with a via hole which is suitable for a conductor to pass through; the connection structure 122 is fixedly connected to the base body 121 at an end close to the plug 110, and the connection structure 122 is adapted to electrically connect the lead wire of the transformer with the conductor. The opening at the wiring position of the transformer is sealed through the seat body 121 and the connecting structural part 122, and meanwhile, the lead wires of the transformer are electrically connected with the conductors, so that the transformer oil in the transformer is ensured not to be polluted by air.
Wherein, the connection structure 122 includes: the tie bars 1221, spring fingers 1222, and conductor inserts 1223; the connecting structural member 122 is barrel-shaped; the spring contact finger 1222 is sleeved on the conductor insert 1223; the conductor insert 1223 is inserted into the cavity of the tie rod 1221 and is adapted to be electrically connected to the tie rod 1221 by spring fingers 1222.
In this embodiment, the plug 110 includes a first stress cone 112 and a cone holder 111; the cone holder 111 is fixedly connected with the first stress cone 112.
Second embodiment
Referring to fig. 2, an embodiment of the present invention further provides a transformer bushing, including: the ferrule body 130 and the plug assembly as described above; one end of the plug assembly is fixedly connected with the sleeve body 130; the end of the plug assembly away from the sleeve body 130 is fixedly connected with a transformer housing. The high-voltage overhead line is electrically connected with the lead wires of the transformer through the sleeve body 130 and the plug-in assembly, and the opening at the wiring position of the transformer is sealed through the plug-in assembly, so that the pollution of air to transformer oil is prevented.
In this embodiment, the sleeve body 130 includes a second stress cone 131, a support flange 132, a sleeve base 133, and a porcelain bushing 134; the sleeve base 133 is fixedly connected with the bottom of the porcelain sleeve 134; the second stress cone 131 is disposed in the inner cavity of the porcelain bushing 134, and is adapted to be fixedly connected with the sleeve base 133 through the support flange 132.
The embodiment of the invention also provides a use method of the plug assembly, which comprises the following steps: an epoxy mount 120, a plug 110 adapted to connect a high voltage overhead line or a cable inlet; the epoxy base 120 is suitable for sealing an opening at the wiring of the transformer; the plug 110 is fixedly connected with the epoxy base 120 after being plugged.
When the transformer incoming line is in a high-voltage overhead line state, the high-voltage overhead line is matched with the plug assembly through the sleeve body 130 to be incoming; when the transformer inlet wire is in a cable inlet wire state, the cable inlet wire is led in through the plug-in assembly. The high-voltage overhead line and the cable incoming line are connected through the interface of the same transformer lead wire by changing the plug 110 inserted into the epoxy seat 120, the transformer is not required to be modified, the incoming line mode is convenient to change, and the practicability is high.
In this embodiment, the plug assembly is adapted to employ the plug assembly provided in the first embodiment.
In summary, the embodiment of the invention provides a plug assembly for a transformer incoming line, a transformer bushing and a use method of the plug assembly, wherein the plug assembly comprises an epoxy seat and a plug; the epoxy seat is suitable for sealing an opening at the wiring position of the transformer; the plug is fixedly connected with the epoxy seat after being inserted. The opening at the wiring position of the transformer is sealed through the epoxy seat, so that the transformer oil in the transformer is prevented from being polluted by air.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A transformer bushing, comprising:
the sleeve body and the plug assembly;
one end of the plug assembly is fixedly connected with the sleeve body;
one end of the plug assembly, which is far away from the sleeve body, is fixedly connected with a shell of a transformer;
the plug assembly includes:
an epoxy seat and a plug;
the epoxy seat is suitable for sealing an opening at the wiring position of the transformer;
the plug is fixedly connected with the epoxy seat after being inserted;
the epoxy seat comprises a seat body and a connecting structural member;
the plug-in assembly is provided with a via hole which is suitable for a conductor to pass through;
the connecting structural member is fixedly connected with the seat body at one end close to the plug, and is suitable for electrically connecting a lead wire of the transformer with a conductor;
the plug comprises a first stress cone and a cone holder;
the cone support is fixedly connected with the first stress cone.
2. The transformer bushing of claim 1,
the connecting structure comprises: the connecting rod, the spring contact finger and the conductor insert;
the connecting structural member is in a cylindrical shape;
the spring contact finger sleeve is arranged on the conductor insert;
the conductor insert is inserted into the cavity of the connecting rod and is adapted to be electrically connected with the connecting rod by means of spring contact fingers.
3. The transformer bushing of claim 1,
the sleeve body comprises a second stress cone, a supporting flange, a sleeve base and a porcelain sleeve or a composite sleeve;
the sleeve base is fixedly connected with the bottom of the porcelain sleeve or the composite sleeve;
the second stress cone is arranged in the inner cavity of the porcelain sleeve or the composite sleeve and is suitable for being fixedly connected with the sleeve base through the support flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810352230.2A CN108666109B (en) | 2018-05-24 | 2018-05-24 | Plug assembly, transformer bushing and use method of plug assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810352230.2A CN108666109B (en) | 2018-05-24 | 2018-05-24 | Plug assembly, transformer bushing and use method of plug assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108666109A CN108666109A (en) | 2018-10-16 |
| CN108666109B true CN108666109B (en) | 2024-02-13 |
Family
ID=63780329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810352230.2A Active CN108666109B (en) | 2018-05-24 | 2018-05-24 | Plug assembly, transformer bushing and use method of plug assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108666109B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859943A (en) * | 2019-03-29 | 2019-06-07 | 江苏神马电力股份有限公司 | A kind of sheath assembly and bushing shell for transformer being homogenized electric field |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009135741A1 (en) * | 2008-05-06 | 2009-11-12 | Abb Technology Ltd | Draw rod mounting arrangement for a high voltage bushing, high voltage bushing comprising such arrangement and high voltage device comprising bushing with such arrangement |
| CN201805206U (en) * | 2010-07-23 | 2011-04-20 | 上元电力科技有限公司 | Plug-type cable terminal device |
| CN204118674U (en) * | 2014-10-20 | 2015-01-21 | 陈燕 | Prefabricated transformer cable jockey |
| CN204348962U (en) * | 2014-12-31 | 2015-05-20 | 深圳市惠程电气股份有限公司 | Transformer insulated protection plug |
| CN105116310A (en) * | 2015-08-27 | 2015-12-02 | 江苏普朗克电力科技有限公司 | Novel high voltage cable test device |
| CN204905019U (en) * | 2015-07-28 | 2015-12-23 | 北京天威瑞恒高压套管有限公司 | Plug -in transformer bushing |
| CN205427114U (en) * | 2015-08-27 | 2016-08-03 | 江苏中天科技电缆附件有限公司 | Novel high tension cable is experimental device |
| CN208368324U (en) * | 2018-05-24 | 2019-01-11 | 上泰电气有限公司 | Connecting element, bushing shell for transformer |
-
2018
- 2018-05-24 CN CN201810352230.2A patent/CN108666109B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009135741A1 (en) * | 2008-05-06 | 2009-11-12 | Abb Technology Ltd | Draw rod mounting arrangement for a high voltage bushing, high voltage bushing comprising such arrangement and high voltage device comprising bushing with such arrangement |
| CN201805206U (en) * | 2010-07-23 | 2011-04-20 | 上元电力科技有限公司 | Plug-type cable terminal device |
| CN204118674U (en) * | 2014-10-20 | 2015-01-21 | 陈燕 | Prefabricated transformer cable jockey |
| CN204348962U (en) * | 2014-12-31 | 2015-05-20 | 深圳市惠程电气股份有限公司 | Transformer insulated protection plug |
| CN204905019U (en) * | 2015-07-28 | 2015-12-23 | 北京天威瑞恒高压套管有限公司 | Plug -in transformer bushing |
| CN105116310A (en) * | 2015-08-27 | 2015-12-02 | 江苏普朗克电力科技有限公司 | Novel high voltage cable test device |
| CN205427114U (en) * | 2015-08-27 | 2016-08-03 | 江苏中天科技电缆附件有限公司 | Novel high tension cable is experimental device |
| CN208368324U (en) * | 2018-05-24 | 2019-01-11 | 上泰电气有限公司 | Connecting element, bushing shell for transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108666109A (en) | 2018-10-16 |
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