CN208014509U - A kind of dry-type transformer insulation system - Google Patents
A kind of dry-type transformer insulation system Download PDFInfo
- Publication number
- CN208014509U CN208014509U CN201820214103.1U CN201820214103U CN208014509U CN 208014509 U CN208014509 U CN 208014509U CN 201820214103 U CN201820214103 U CN 201820214103U CN 208014509 U CN208014509 U CN 208014509U
- Authority
- CN
- China
- Prior art keywords
- low
- coil
- tension coil
- voltage coil
- dry
- 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.)
- Expired - Fee Related
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 31
- 238000004804 winding Methods 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 5
- 229920002799 BoPET Polymers 0.000 claims description 2
- 238000002788 crimping Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
Landscapes
- Insulating Of Coils (AREA)
Abstract
The utility model discloses a kind of dry-type transformer insulation system, including volume iron core and the winding on the volume iron core, the winding includes high-tension coil and low-voltage coil, the high-tension coil is enclosed in inside by the low-voltage coil, the multiple heat dissipation channels being axially arranged are prefabricated on the high-tension coil and low-voltage coil respectively, there is the insulation sleeve of PET materials between the low-voltage coil and high-tension coil, the outside of the insulation sleeve is contacted with the low-voltage coil, inside forms annular passage by supporting between raised line and high-tension coil.The utility model between low-voltage coil and high-tension coil by there is the insulation sleeve of PET materials, the outside of the insulation sleeve is contacted with the low-voltage coil, inside forms annular passage by supporting between raised line and high-tension coil, and the heat dissipation performance for improving transformer may be implemented.
Description
Technical field
The utility model is related to transformer technology fields, and in particular to a kind of dry-type transformer insulation system.
Background technology
The winding of existing general dry type dry-type transformer is normally mounted on volume iron core, and by high-tension coil and low pressure
Insulating materials is installed to insulate between coil, is usually mounted on high-tension coil and low-voltage coil using prefabricated insulation sleeve
Between, the structure of existing insulation sleeve, it is common that be directly in direct contact with low pressure winding with the high-voltage winding of both sides, lead to transformer
Heat dissipation performance is poor.
Utility model content
The purpose of this utility model is to be directed to technological deficiency existing in the prior art, and it is exhausted to provide a kind of dry-type transformer
Edge structure.
Technical solution is used by realize the purpose of this utility model：
A kind of dry-type transformer insulation system, including volume iron core and mounted on the winding on the volume iron core, it is described
Winding includes high-tension coil and low-voltage coil, and the high-tension coil is enclosed in inside, the high-tension coil by the low-voltage coil
And the multiple heat dissipation channels being axially arranged are prefabricated on low-voltage coil respectively, there is PET between the low-voltage coil and high-tension coil
The insulation sleeve of material, the outside of the insulation sleeve is contacted with the low-voltage coil, inside is by supporting between raised line and high-tension coil
Form annular passage.
The support raised line is an integral structure with the insulation sleeve.
The inner end of the support raised line is connected with the high-tension coil.
The lateral surface of the low-voltage coil is arranged with epoxy glass fabric, and polyester is arranged on the outside of the epoxy glass fabric
Film strips.
The utility model by there is the insulation sleeve of PET materials between low-voltage coil and high-tension coil, the insulation sleeve
Outside is contacted with the low-voltage coil, inside forms annular passage by supporting between raised line and high-tension coil, may be implemented to improve
The heat dissipation performance of transformer.
Description of the drawings
Fig. 1 is scheme of installation of the dry-type transformer winding on volume iron core；
Fig. 2 is the diagrammatic cross-section along line A-A in Fig. 1.
Specific implementation mode
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
Shown in Fig. 1-2, a kind of dry-type transformer insulation system, including roll up iron core 9 and be mounted in the volume iron
Winding 100 on core, the winding include high-tension coil 1 and low-voltage coil 2, and the high-tension coil is surrounded by the low-voltage coil
It is prefabricated with the multiple heat dissipation channels being axially arranged respectively on inside, the high-tension coil and low-voltage coil, i.e. high-tension coil dissipates
The passage of heat 6 and low-voltage coil heat dissipation channel 5 have the insulation sleeve 3 of PET materials between the low-voltage coil and high-tension coil, described
The outside of insulation sleeve is contacted with the low-voltage coil, inside forms annular passage 4 by supporting between raised line 10 and high-tension coil.
Wherein, it is described support raised line material it is consistent with the material of the insulation sleeve, and with the insulation sleeve pre-production
It is an integral structure.
Wherein, the inner end of the support raised line is connected with the high-tension coil.
Wherein, the lateral surface of the low-voltage coil is arranged with the epoxy glass fabric 8 of 2-31 cm thicks, the expoxy glass
The mylar tape 7 of 1 cm thick is arranged on the outside of cloth, to increase the insulation performance and support strength in outside.
The utility model by there is the insulation sleeve of PET materials between low-voltage coil and high-tension coil, the insulation sleeve
Outside is contacted with the low-voltage coil, inside forms annular passage by supporting between raised line and high-tension coil, may be implemented to improve
The heat dissipation performance of transformer.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (4)
1. a kind of dry-type transformer insulation system, including volume iron core and the winding on the volume iron core, the winding
Including high-tension coil and low-voltage coil, the high-tension coil is enclosed in inside by the low-voltage coil, the high-tension coil and low
The multiple heat dissipation channels being axially arranged are prefabricated on crimping circle respectively, which is characterized in that the low-voltage coil and high-tension coil it
Between have the insulation sleeves of PET materials, the outside of the insulation sleeve is contacted with the low-voltage coil, inside passes through and supports raised line and high pressure
Annular passage is formed between coil.
2. dry-type transformer insulation system as described in claim 1, which is characterized in that the support raised line is with the insulation sleeve
Integral structure.
3. dry-type transformer insulation system as claimed in claim 2, which is characterized in that it is described support raised line inner end with it is described
High-tension coil connects.
4. dry-type transformer insulation system as described in claim 1, which is characterized in that the lateral surface of the low-voltage coil is arranged with
Epoxy glass fabric is arranged with mylar tape on the outside of the epoxy glass fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820214103.1U CN208014509U (en) | 2018-02-07 | 2018-02-07 | A kind of dry-type transformer insulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820214103.1U CN208014509U (en) | 2018-02-07 | 2018-02-07 | A kind of dry-type transformer insulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208014509U true CN208014509U (en) | 2018-10-26 |
Family
ID=63886328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820214103.1U Expired - Fee Related CN208014509U (en) | 2018-02-07 | 2018-02-07 | A kind of dry-type transformer insulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208014509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571296A (en) * | 2021-07-05 | 2021-10-29 | 广东中顺电气制造有限公司 | Universal air flue insulating plate for dry-type transformer and manufacturing method thereof |
-
2018
- 2018-02-07 CN CN201820214103.1U patent/CN208014509U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571296A (en) * | 2021-07-05 | 2021-10-29 | 广东中顺电气制造有限公司 | Universal air flue insulating plate for dry-type transformer and manufacturing method thereof |
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Legal Events
| 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: 20181026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |