CN108492970A - A kind of annular dry-type transformer coil - Google Patents
A kind of annular dry-type transformer coil Download PDFInfo
- Publication number
- CN108492970A CN108492970A CN201810199267.6A CN201810199267A CN108492970A CN 108492970 A CN108492970 A CN 108492970A CN 201810199267 A CN201810199267 A CN 201810199267A CN 108492970 A CN108492970 A CN 108492970A
- Authority
- CN
- China
- Prior art keywords
- coil winding
- insulating cylinder
- external coil
- outside
- insulating
- 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.)
- Withdrawn
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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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2876—Cooling
-
- 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
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- 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
- H01F27/322—Insulating of coils, windings, or parts thereof the insulation forming channels for circulation of the fluid
-
- 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
- H01F27/325—Coil bobbins
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulating Of Coils (AREA)
Abstract
The invention discloses a kind of annular dry-type transformer coils, including iron core, Inside coil winding and external coil winding, it is surrounded with Inside coil winding on the iron core, it is coated with the first insulating cylinder outside the Inside coil winding, it is coated with external coil winding outside first insulating cylinder, comb stays are provided between first insulating cylinder and external coil winding, external coil winding outer surface is coated with the second insulating cylinder.The present invention outside the second insulating cylinder by being enclosed with damp-proof layer, realize the drying and cleaning of external coil winding, it avoids and is in the presence of aoxidizing, be conducive to safely and steadily run, extend service life, by foring heat dissipation air flue between comb stays, heat dissipation effect is improved, by the way that broach is arranged on comb stays, external coil winding is wrapped on broach, the stability for improving external coil winding, to improve the overall mechanical strength of the equipment.
Description
Technical field
The present invention relates to transformer coil technical field, specially a kind of annular dry-type transformer coil.
Background technology
Currently, there is many defects, such as external coil winding often to occur for existing annular dry-type transformer coil
The situation of oxidation reduces service life, and heat dissipation effect is poor, and the stability of external coil winding is poor, leads to annular
Dry-type transformer coil overall mechanical strength is poor, and the general of generation of discharging between Inside coil winding and external coil winding
Rate is larger.
Invention content
The purpose of the present invention is to provide a kind of annular dry-type transformer coils, to solve use mentioned above in the background art
The probability that service life is shorter, heat dissipation effect is poor, tool intensity is poor and problem electric discharge occurs is larger.
To achieve the above object, the present invention provides the following technical solutions：A kind of annular dry-type transformer coil, including iron
Core, Inside coil winding and external coil winding, are surrounded with Inside coil winding on the iron core, outside the Inside coil winding
Portion is coated with the first insulating cylinder, and external coil winding, first insulating cylinder and outside are coated with outside first insulating cylinder
Comb stays are provided between coil windings, external coil winding outer surface is coated with the second insulating cylinder.
Preferably, it is enclosed with damp-proof layer outside second insulating cylinder.
Preferably, heat dissipation air flue is formd between the comb stays.
Preferably, broach is provided on the comb stays, the external coil winding is wrapped on broach.
Preferably, first insulating cylinder and the second insulating cylinder are made of insulating board and insulating frame, the insulating board
It is wrapped in insulating frame outer surface.
Compared with prior art, the beneficial effects of the invention are as follows：The equipment is moisture-proof by being enclosed with outside the second insulating cylinder
Layer enough realizes the drying and cleaning of external coil winding, avoids the occurrence of the situation of oxidation, be conducive to safely and steadily run, prolong
Service life has been grown, by foring heat dissipation air flue between comb stays, heat dissipation effect has been improved, by being arranged on comb stays
There are broach, external coil winding to be wrapped on broach, improve the stability of external coil winding, to improve the equipment
Overall mechanical strength is made of the first insulating cylinder and the second insulating cylinder insulating board and insulating frame, and insulating board is wrapped in
Insulating frame outer surface increases the creepage distance between Inside coil winding and external coil winding, hinders the development of electric discharge, drop
The probability that low electric discharge occurs, simple in structure, reasonable design.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the comb stays structural schematic diagram of the present invention；
Fig. 3 is the front view of the present invention.
In figure：The second insulating cylinders of 1-；2- external coil windings；3- comb stays；The first insulating cylinders of 4-；5- Inside coils around
Group；6- iron cores；7- heat dissipation air flues；8- damp-proof layers；9- broach.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1 and Fig. 2, a kind of annular dry-type transformer coil, including iron core 6, Inside coil winding 5 and outer lines
Winding 2 is enclosed, is surrounded with Inside coil winding 5 on iron core 6, the first insulating cylinder 4 is coated with outside Inside coil winding 5, first absolutely
Edge cylinder 4 is used for the insulation of Inside coil winding 5, and external coil winding 2,4 He of the first insulating cylinder are coated with outside the first insulating cylinder 4
Comb stays 3 are provided between external coil winding 2,2 outer surface of external coil winding is coated with the second insulating cylinder 1, and second absolutely
Damp-proof layer 8 is enclosed with outside edge cylinder 1, the second insulating cylinder 1 is used for the insulation of external coil winding 2, and damp-proof layer 8 can realize outside
The drying and cleaning of coil windings 2, avoid the occurrence of the situation of oxidation, are conducive to safely and steadily run, extend service life,
Heat dissipation air flue 7 is formd between comb stays 3, can be good at improving heat dissipation effect, broach 9 is provided on comb stays 7,
External coil winding 2 is wrapped on broach 9, be can be good at the stability for improving external coil winding 2, is set to improve this
Standby overall mechanical strength, the first insulating cylinder 4 and the second insulating cylinder 1 are made of insulating board and insulating frame, insulating board winding
In insulating frame outer surface.
Operation principle：In use, the first insulating cylinder 4 and the second insulating cylinder 1 play the role of insulation well, increase interior
Creepage distance between portion's coil windings 5 and external coil winding 2 hinders the development of electric discharge, reduces the possibility that electric discharge occurs,
It is provided with comb stays 3 between first insulating cylinder 4 and external coil winding 2, heat dissipation air flue 7, energy are formd between comb stays 3
It is enough to improve heat dissipation effect well, broach 9 is provided on comb stays 7, external coil winding 2 is wrapped on broach 9, can
The stability for improving external coil winding 2 well, to improve the overall mechanical strength of the equipment, and the second insulating cylinder
It is enclosed with damp-proof layer 8 outside 1, enough realizes the drying and cleaning of external coil winding 2, avoids the occurrence of the situation of oxidation, be conducive to
It safely and steadily runs, extends service life.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (5)
1. a kind of annular dry-type transformer coil, including iron core（6）, Inside coil winding（5）With external coil winding（2）,
It is characterized in that：The iron core（6）On be surrounded with Inside coil winding（5）, the Inside coil winding（5）Outside is coated with first
Insulating cylinder（4）, first insulating cylinder（4）Outside is coated with external coil winding（2）, first insulating cylinder（4）The outside and
Coil windings（2）Between be provided with comb stays（3）, the external coil winding（2）Outer surface is coated with the second insulating cylinder
（1）.
2. a kind of annular dry-type transformer coil according to claim 1, it is characterised in that：Second insulating cylinder（1）
Outside is enclosed with damp-proof layer（8）.
3. a kind of annular dry-type transformer coil according to claim 1, it is characterised in that：The comb stays（3）It
Between form heat dissipation air flue（7）.
4. a kind of annular dry-type transformer coil according to claim 1, it is characterised in that：The comb stays（7）On
It is provided with broach（9）, the external coil winding（2）It is wrapped in broach（9）On.
5. a kind of annular dry-type transformer coil according to claim 1, it is characterised in that：First insulating cylinder（4）
With the second insulating cylinder（1）It is made of insulating board and insulating frame, the insulating board is wrapped in insulating frame outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810199267.6A CN108492970A (en) | 2018-03-12 | 2018-03-12 | A kind of annular dry-type transformer coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810199267.6A CN108492970A (en) | 2018-03-12 | 2018-03-12 | A kind of annular dry-type transformer coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108492970A true CN108492970A (en) | 2018-09-04 |
Family
ID=63338589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810199267.6A Withdrawn CN108492970A (en) | 2018-03-12 | 2018-03-12 | A kind of annular dry-type transformer coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108492970A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735755A (en) * | 2020-12-07 | 2021-04-30 | 云南电网有限责任公司 | High-precision multi-transformation-ratio standard current transformer working for long time at 150% rated current |
-
2018
- 2018-03-12 CN CN201810199267.6A patent/CN108492970A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735755A (en) * | 2020-12-07 | 2021-04-30 | 云南电网有限责任公司 | High-precision multi-transformation-ratio standard current transformer working for long time at 150% rated current |
| CN112735755B (en) * | 2020-12-07 | 2021-10-01 | 云南电网有限责任公司 | High-precision multi-transformation-ratio standard current transformer working for long time at 150% rated current |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180904 |
|
| WW01 | Invention patent application withdrawn after publication |