CN207966707U - A kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil - Google Patents
A kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil Download PDFInfo
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- CN207966707U CN207966707U CN201820368152.0U CN201820368152U CN207966707U CN 207966707 U CN207966707 U CN 207966707U CN 201820368152 U CN201820368152 U CN 201820368152U CN 207966707 U CN207966707 U CN 207966707U
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Abstract
The utility model is related to transformer coil technical fields,Especially a kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil,Including iron core,The outer wall of the iron core is socketed with low pressure reel,The outer wall of the low pressure reel is provided with low-voltage coil,The low-voltage coil includes insulated conductor,Insulated conductor is around being connected on low pressure reel,Side of the low-voltage coil far from low pressure reel is socketed with resin insulating barrier,Side of the resin insulating barrier far from low-voltage coil is arranged with high voltage winding spool,The outer wall of the high voltage winding spool is arranged with high-tension coil,Side of the resin insulating barrier far from low-voltage coil is coated with heat-conducting glue layer,The outer wall of the heat-conducting glue layer is inlaid with multi-disc radiating fin,The resin-insulated dry power transformer high-voltage coil and low-voltage coil changes the mode of traditional heat dissipation wind channel heat dissipation,Greatly increase the heat dissipation area of resin insulating barrier,Effectively enhance the heat dissipation performance of entire coil,It ensure that the work that coil can be stablized.
Description
Technical field
The utility model is related to transformer coil technical field more particularly to a kind of resin-insulated dry power transformer are high
Low-voltage coil.
Background technology
Cylindrical layer winding has two kinds of low pressure drum type brake and high-pressure cylinders formula.Low pressure cylindrical layer winding is mostly used
630kVA is hereinafter, voltage is in lkV and low pressure winding below；And high-pressure cylinders formula coil be mostly used be in three compatible amounts
630kVA and hereinafter, voltage class be 3~35kV high-voltage winding on.Cylindrical layer winding has three kinds of single layer, bilayer and multilayer,
Cylindrical layer winding coiling is simple, good manufacturability, and the high-voltage coil and low-voltage coil in existing dry-type power transformer is usually multi-layer cylinder
Formula coil, lattice coil cause entire coil heat dissipation performance poor so that coil working is unstable around being connected on cylinder.
Utility model content
Purpose of the utility model is to solve the high-voltage coil and low-voltage coils existed in the prior art in dry-type power transformer
The disadvantage of heat dissipation performance deficiency, and a kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil proposed.
To achieve the goals above, the utility model uses following technical solution：
Design a kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil, including iron core, the outer wall socket of the iron core
There are low pressure reel, the outer wall of the low pressure reel to be provided with low-voltage coil, the low-voltage coil includes insulated conductor, insulation
For conducting wire around being connected on low pressure reel, side of the low-voltage coil far from low pressure reel is socketed with resin insulating barrier, described
Side of the resin insulating barrier far from low-voltage coil is arranged with high voltage winding spool, and the outer wall of the high voltage winding spool is arranged with high-voltage line
Circle, side of the resin insulating barrier far from low-voltage coil are coated with heat-conducting glue layer, and the outer wall of the heat-conducting glue layer is inlaid with more
Piece radiating fin, radiating fin described in multi-disc is between heat-conducting glue layer and high-tension coil, and the radiating fin is far from heat-conducting glue
Layer side is Nian Jie with high voltage winding spool, and the outer wall of the high-tension coil is socketed with moisture-proof sleeve.
Preferably, the high voltage winding spool is coated with heat-conducting glue close to the side of radiating fin, and the radiating fin passes through
Heat-conducting glue is Nian Jie with high voltage winding spool.
Preferably, the radiating fin is ring-type, and the outer wall of the radiating fin is uniformly provided with multiple second heat emission holes.
Preferably, the both ends of the iron core are socketed with cover board, and the outer wall of the cover board is uniformly provided with multiple first and dissipates
Hot hole.
The utility model proposes a kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil, advantageous effect is：It is logical
It crosses and resin insulating barrier, heat-conducting glue layer and radiating fin is set between low-voltage coil and high-tension coil, change traditional radiation air
The mode of road heat dissipation, the very big heat dissipation area for increasing resin insulating barrier, effectively enhances the heat dissipation performance of entire coil,
It ensure that the work that coil can be stablized.
Description of the drawings
Fig. 1 be the utility model proposes a kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil structural representation
Figure；
Fig. 2 be the utility model proposes the covering plate structure of resin-insulated dry power transformer high-voltage coil and low-voltage coil a kind of show
It is intended to；
Fig. 3 be the utility model proposes a kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil radiating fin knot
Structure schematic diagram.
In figure：1 iron core, 2 cover boards, 3 moisture-proof sleeves, 4 low pressure reels, 5 low-voltage coils, 6 resin insulating barriers, 7 heat-conducting glues
Layer, 8 radiating fins, 9 high-tension coils, 10 first heat emission holes, 11 second heat emission holes, 12 high voltage winding spools.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil, including iron core 1, the outer wall of iron core 1
It is socketed with low pressure reel 4, the outer wall of low pressure reel 4 is provided with low-voltage coil 5, and low-voltage coil 5 includes insulated conductor, insulation
For conducting wire around being connected on low pressure reel 4, side of the low-voltage coil 5 far from low pressure reel 4 is socketed with resin insulating barrier 6, resin
Side of the insulating layer 6 far from low-voltage coil 5 is arranged with high voltage winding spool 12, and the outer wall of high voltage winding spool 12 is arranged with high-tension coil
9, side of the resin insulating barrier 6 far from low-voltage coil 5 is coated with heat-conducting glue layer 7, and the outer wall of heat-conducting glue layer 7 is inlaid with multi-disc heat dissipation
Fin 8, multi-disc radiating fin 8 between heat-conducting glue layer 7 and high-tension coil 9, radiating fin 8 far from 7 side of heat-conducting glue layer with
High voltage winding spool 12 is bonded, and the outer wall of high-tension coil 9 is socketed with moisture-proof sleeve 3.
High voltage winding spool 12 is coated with heat-conducting glue close to the side of radiating fin 8, and radiating fin 8 passes through heat-conducting glue and high pressure
Reel 12 is bonded, using heat-conducting glue as cementing agent so that the heat gathered in high voltage winding spool 12 can also pass through heat dissipation
Fin 8 radiates, and radiating fin 8 is ring-type, and the outer wall of radiating fin 8 is uniformly provided with multiple second heat emission holes 11, iron core 1
Both ends be socketed with cover board 2, the outer wall of cover board 2 is uniformly provided with multiple first heat emission holes 10, the first heat emission hole 10 opened up
And second heat emission hole 11 ensure that the ventilation between low-voltage coil 5 and high-tension coil 10, by low-voltage coil and high-tension coil it
Between setting resin insulating barrier 6, heat-conducting glue layer 7 and radiating fin 8, change the mode of traditional heat dissipation wind channel heat dissipation, it is very big
The heat dissipation area of resin insulating barrier 6 is increased, the heat dissipation performance of entire coil is effectively enhanced, ensure that coil can be stablized
Work.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil, including iron core (1), which is characterized in that the iron core (1)
Outer wall be socketed with low pressure reel (4), the outer wall of the low pressure reel (4) is provided with low-voltage coil (5), the low-voltage line
Circle (5) includes insulated conductor, and insulated conductor is around being connected on low pressure reel (4), and the low-voltage coil (5) is far from low pressure reel
(4) side is socketed with resin insulating barrier (6), and side of the resin insulating barrier (6) far from low-voltage coil (5) is arranged with high pressure
The outer wall of reel (12), the high voltage winding spool (12) is arranged with high-tension coil (9), and the resin insulating barrier (6) is far from low
The side of crimping circle (5) is coated with heat-conducting glue layer (7), and the outer wall of the heat-conducting glue layer (7) is inlaid with multi-disc radiating fin (8),
Radiating fin described in multi-disc (8) is located between heat-conducting glue layer (7) and high-tension coil (9), and the radiating fin (8) is far from heat-conducting glue
Layer (7) side is Nian Jie with high voltage winding spool (12), and the outer wall of the high-tension coil (9) is socketed with moisture-proof sleeve (3).
2. a kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil according to claim 1, which is characterized in that described
High voltage winding spool (12) is coated with heat-conducting glue close to the side of radiating fin (8), and the radiating fin (8) passes through heat-conducting glue and height
Reel (12) is pressed to be bonded.
3. a kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil according to claim 1, which is characterized in that described
Radiating fin (8) is ring-type, and the outer wall of the radiating fin (8) is uniformly provided with multiple second heat emission holes (11).
4. a kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil according to claim 1, which is characterized in that described
The both ends of iron core (1) are socketed with cover board (2), and the outer wall of the cover board (2) is uniformly provided with multiple first heat emission holes (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820368152.0U CN207966707U (en) | 2018-03-19 | 2018-03-19 | A kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820368152.0U CN207966707U (en) | 2018-03-19 | 2018-03-19 | A kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207966707U true CN207966707U (en) | 2018-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820368152.0U Active CN207966707U (en) | 2018-03-19 | 2018-03-19 | A kind of resin-insulated dry power transformer high-voltage coil and low-voltage coil |
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| CN (1) | CN207966707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164667A (en) * | 2019-05-23 | 2019-08-23 | 安徽皖翔电力设备有限公司 | A kind of dry-type transformer convenient for heat dissipation |
-
2018
- 2018-03-19 CN CN201820368152.0U patent/CN207966707U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164667A (en) * | 2019-05-23 | 2019-08-23 | 安徽皖翔电力设备有限公司 | A kind of dry-type transformer convenient for heat dissipation |
| CN110164667B (en) * | 2019-05-23 | 2021-07-02 | 安徽皖翔电力设备有限公司 | Dry-type transformer convenient to heat dissipation |
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