CN206489956U - A kind of air blast transformer - Google Patents
A kind of air blast transformer Download PDFInfo
- Publication number
- CN206489956U CN206489956U CN201720225406.9U CN201720225406U CN206489956U CN 206489956 U CN206489956 U CN 206489956U CN 201720225406 U CN201720225406 U CN 201720225406U CN 206489956 U CN206489956 U CN 206489956U
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- Prior art keywords
- transformer
- coil
- low pressure
- pressure winding
- air blast
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Abstract
The utility model discloses a kind of air blast transformer, mainly including transformer core, iron core yoke, high-low pressure winding coil, coil cast layer, encapsulation cast layer, transformer framework and fan；High-low pressure winding coil includes high-tension coil and low-voltage coil；High-tension coil and low pressure winding coil are wound on profiled insulation cylinder, form multisection type sandwich construction, and using glass fiber reinforced epoxy resin casting, form coil cast layer；High-low pressure winding coil is set on transformer core, and resin and the full encapsulation casting of high temperature resistant silica gel progress is used together with transformer core, is formed and is encapsulated cast layer；Fan is fixed on the bottom of transformer framework.The utility model employs particular design to transformer core, iron core yoke, high-low pressure winding coil, cooling structure etc., and compact conformation is reasonable, heat-sinking capability is strong, noise-less pollution, energy-saving effect notable, greatly reduces operating cost.
Description
Technical field
The utility model belongs to equipment for power transmission and distribution technical field, and in particular to a kind of air blast transformer.
Background technology
Distribution transformer is one of capital equipment of China's operation of power networks, is also that consumption is most in urban network restructuring, the extension of rural power grids
Greatly, it is related to one of face most wide product.With the development of power system, the technical merit to power transformer product is required increasingly
Height, the product demand to low energy consumption is increasing.Either global range or Chinese market, either developed country still send out
It is national in exhibition, under the increasingly serious situation of energy-saving index, sight is focused on the body of energy saving transformer one after another, saved
Energy type serial transformer will welcome the large-scale promotion application stage.
Air blast transformer is due to the environmentally friendly feature such as non-maintaining, long lifespan, high reliability, high flame retardant is run, transporting
Safeguarded in row and maintenance workload is greatly reduced, load center is may be mounted at again, therefore be increasingly taken seriously and promoted.
Air blast transformer species of the prior art is a lot, is substantially all and has that volume is big, open circuit loss is high, copper loss
Greatly, the operation defect such as noise is big.
Utility model content
The purpose of this utility model is precisely in order to solve the technical problem that existing air blast transformer is present, it is proposed that a kind of
New air blast transformer, with it is simple and compact for structure, from be lost it is low, noise is small the features such as.
The utility model is achieved through the following technical solutions：
A kind of air blast transformer, mainly including transformer core, iron core yoke, high-low pressure winding coil, coil casting
Layer, encapsulation cast layer, transformer framework and fan；
Transformer core and iron core yoke are wholely set；
High-low pressure winding coil includes high-tension coil and low-voltage coil, is divided into along transformer core on high-low pressure winding coil
Section and high-low pressure winding coil hypomere；
High-tension coil and low pressure winding coil are wound on profiled insulation cylinder, form multisection type sandwich construction, and use
Glass fiber reinforced epoxy resin is cast, and forms coil cast layer；
High-low pressure winding coil is set on transformer core, and resin and high temperature resistant silicon is used together with transformer core
Glue carries out full encapsulation casting, forms encapsulation cast layer；
Transformer core, iron core yoke, high-low pressure winding coil are arranged in transformer framework；
Fan is fixed on the bottom of transformer framework.
Transformer core and iron core yoke use cold rolling non-crystaline amorphous metal silicon sheet drawing plate structure；Silicon steel sheet surface is coated with absolutely
Edge paint, using 45 degree of full bias seams of step-by-step movement.
Low-voltage coil using insulating paper as layer insulation, and carries out vacuum pressure impregnation using insulation copper foil coiling；It is high
The flat type copper wire for pressing coil-conductor to use insulating paper to coat, interlayer is insulated using insulating paper, and carries out vacuum pressure impregnation.
Low-voltage coil cushion block, stay rounding.
Air blast transformer also includes terminals, coil terminals and transformer for fixing high-low pressure winding coil
Input, lead-out terminal.
Air blast transformer also includes being embedded in the temperature sensor inside low-voltage coil.
Air blast transformer also includes the support for being fixed on transformer framework bottom.
It is special that the utility model is employed to transformer core, iron core yoke, high-low pressure winding coil, cooling structure etc.
Design, compact conformation is reasonable, heat-sinking capability is strong, noise-less pollution, energy-saving effect notable, greatly reduces operating cost.
Brief description of the drawings
Fig. 1 is the air blast transformer agent structure schematic diagram of the utility model embodiment one；
Fig. 2 is the air blast transformer agent structure schematic diagram of the utility model embodiment two.
In figure：1st, transformer core；2nd, iron core yoke；3-1, high-low pressure winding coil epimere；3-2, high-low pressure winding wire
Enclose hypomere；4th, coil cast layer；5th, cast layer is encapsulated；6th, transformer framework；7th, terminals；8th, support；9th, fan；10th, housing；
A, B, C represent primary side binding post, and a, b, c represent secondary binding post.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
Embodiment one
As shown in Figure 1, a kind of air blast transformer of the present utility model, mainly includes transformer core 1, iron core yoke
2nd, high-low pressure winding coil, coil cast layer 4, encapsulation cast layer 5, transformer framework 6 and fan 9.
Transformer core 1 and iron core yoke 2 use cold rolling non-crystaline amorphous metal silicon sheet drawing plate structure.Silicon steel sheet surface is coated with
Insulated paint, using 45 degree of full bias seams of step-by-step movement, makes magnetic flux pass through along silicon steel sheet seam direction, reduces open circuit loss and make
Lower noise must be run.
Preferably, transformer core 1 uses three-phase five-limb structure, transformer core 1 and iron core yoke 2 are integrally set
Put.
High-low pressure winding coil includes high-tension coil and low-voltage coil, and along transformer core, 1 point is high-low pressure winding coil
Epimere 3-1 and high-low pressure winding coil hypomere 3-2.Certainly, high-low pressure winding coil can use the structure more than 2 sections.As excellent
Player's section, low-voltage coil uses continous way winding arrangement, and high-tension coil uses segmented sandwich construction.
High-tension coil and low pressure winding coil are wound on profiled insulation cylinder, form multisection type sandwich construction, and use
Glass fiber reinforced epoxy resin is cast, and forms coil cast layer 4.
Specifically, high-tension coil conductor coats flat type copper wire using insulating paper, and interlayer is insulated using insulating paper, and is carried out
Vacuum pressure impregnation.Low-voltage coil using insulating paper as layer insulation, and carries out vacuum pressure leaching using insulation copper foil coiling
Stain, coil cushion block, stay rounding so that electric fields uniform.
High-low pressure winding coil is set on transformer core 1, and resin and high temperature resistant is used together with transformer core 1
Silica gel carries out full encapsulation casting, forms encapsulation cast layer 5.Encapsulation cast layer 5 can effectively protect transformer core 1 and high-low pressure
Winding coil.
The cast structure of above-mentioned high-low pressure winding coil and transformer core 1, with high mechanical strength, radiating condition it is good,
The advantages of without shelf depreciation, protection against the tide, ageing-resistant, resistance to deformation, low noise.
Transformer core 1, iron core yoke 2, high-low pressure winding coil are arranged in transformer framework 6.
Air blast transformer in the present embodiment also includes terminals 7, the coil-end for fixing high-low pressure winding coil
Input, the lead-out terminal of son and transformer.
Air blast transformer of the present utility model also includes the fan 9 for being fixed on the bottom of transformer framework 6.Fan 9 is used for
Strong convection is carried out to transformer air-cooled.Transformer can be with 150% rated load operation under the conditions of forced air cooling.The another property matched
Temperature control that can be perfect protects system, and reliable guarantee is provided for transformer safety operation.
The temperature sensor that air blast transformer in the present embodiment also includes being embedded in inside low-voltage coil (does not show in figure
Go out).
Embodiment two
Referring to accompanying drawing 2, the air blast transformer of above-described embodiment one is integrally placed in housing 10.When needs are in outdoor
Under the conditions of use the utility model when, housing 10 can provide the safeguard protections such as rain-proof, protection against the tide, anti-invasion and attack for transformer.
Air blast transformer of the present utility model also includes the support 8 (support feet) for being fixed on the bottom of transformer framework 6.Should
Support 8 is that fan 9 provides installing space, and air flow passage.
The utility model employs particular design to transformer core, iron core yoke, high-low pressure winding coil, and structure is tight
Passable reason, heat-sinking capability are strong, noise-less pollution, energy-saving effect are notable, greatly reduce operating cost.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
The utility model is not limited to description of the above to embodiment, and those skilled in the art disclose according to the utility model
Content, the improvement and modification that need not be carried out on the basis of the utility model by creative work all should be new in this practicality
Within the protection domain of type.
Claims (7)
1. a kind of air blast transformer, it is characterised in that：Mainly include transformer core, iron core yoke, high-low pressure winding coil,
Coil cast layer, encapsulation cast layer, transformer framework and fan；
Transformer core and iron core yoke are wholely set；
High-low pressure winding coil includes high-tension coil and low-voltage coil；High-low pressure winding coil is divided into high-low pressure along transformer core
Winding coil epimere and high-low pressure winding coil hypomere；
High-tension coil and low pressure winding coil are wound on profiled insulation cylinder, form multisection type sandwich construction, and use glass
Fiber reinforced epoxy resin is cast, and forms coil cast layer；
High-low pressure winding coil is set on transformer core, and resin is used together with transformer core and high temperature resistant silica gel enters
The full encapsulation casting of row, forms encapsulation cast layer；
Transformer core, iron core yoke, high-low pressure winding coil are arranged in transformer framework；
Fan is fixed on the bottom of transformer framework.
2. a kind of air blast transformer according to claim 1, it is characterised in that：
Transformer core and iron core yoke use the pulling plate structure of cold rolling non-crystaline amorphous metal silicon steel sheet；Silicon steel sheet surface is coated with insulation
Paint, using 45 degree of full bias seams of step-by-step movement.
3. a kind of air blast transformer according to claim 1, it is characterised in that：
Cushion block, the stay rounding of low-voltage coil.
4. a kind of air blast transformer according to claim 1, it is characterised in that：
Air blast transformer also include terminals, for fix high-low pressure winding coil coil terminals and transformer it is defeated
Enter, lead-out terminal.
5. a kind of air blast transformer according to claim 1, it is characterised in that：
Air blast transformer also includes being embedded in the temperature sensor inside low-voltage coil.
6. a kind of air blast transformer according to claim 1, it is characterised in that：
Air blast transformer also includes the support for being fixed on transformer framework bottom.
7. a kind of air blast transformer according to claim 1, it is characterised in that：
Low-voltage coil using insulating paper as layer insulation, and carries out vacuum pressure impregnation using insulation copper foil coiling；High-voltage line
The flat type copper wire that conductor uses insulating paper to coat is enclosed, interlayer is insulated using insulating paper, and carries out vacuum pressure impregnation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720225406.9U CN206489956U (en) | 2017-03-09 | 2017-03-09 | A kind of air blast transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720225406.9U CN206489956U (en) | 2017-03-09 | 2017-03-09 | A kind of air blast transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206489956U true CN206489956U (en) | 2017-09-12 |
Family
ID=59762633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720225406.9U Expired - Fee Related CN206489956U (en) | 2017-03-09 | 2017-03-09 | A kind of air blast transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206489956U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112585704A (en) * | 2018-09-25 | 2021-03-30 | Abb电网瑞士股份公司 | Transformer with cast part embedded in winding arrangement and method for producing winding arrangement for transformer |
| CN112585704B (en) * | 2018-09-25 | 2024-04-30 | 日立能源有限公司 | Transformer and method for manufacturing a winding arrangement for a transformer |
-
2017
- 2017-03-09 CN CN201720225406.9U patent/CN206489956U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112585704A (en) * | 2018-09-25 | 2021-03-30 | Abb电网瑞士股份公司 | Transformer with cast part embedded in winding arrangement and method for producing winding arrangement for transformer |
| CN112585704B (en) * | 2018-09-25 | 2024-04-30 | 日立能源有限公司 | Transformer and method for manufacturing a winding arrangement for a transformer |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 Termination date: 20200309 |