CN203013483U - Efficient silence non-crystal dry type transformer - Google Patents
Efficient silence non-crystal dry type transformer Download PDFInfo
- Publication number
- CN203013483U CN203013483U CN 201220700782 CN201220700782U CN203013483U CN 203013483 U CN203013483 U CN 203013483U CN 201220700782 CN201220700782 CN 201220700782 CN 201220700782 U CN201220700782 U CN 201220700782U CN 203013483 U CN203013483 U CN 203013483U
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- transformer
- iron core
- coil
- low
- voltage coil
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- 239000013078 crystal Substances 0.000 title abstract 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000003822 epoxy resin Substances 0.000 claims abstract description 11
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 11
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 9
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims description 25
- 238000009413 insulation Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000005030 aluminium foil Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000011889 copper foil Substances 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 239000000956 alloy Substances 0.000 abstract description 6
- 229910045601 alloy Inorganic materials 0.000 abstract description 5
- 239000011162 core material Substances 0.000 description 9
- 239000004593 Epoxy Substances 0.000 description 5
- 230000009466 transformation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
Disclosed is an efficient silence non-crystal dry type transformer. The transformer comprises a high-voltage coil, a low-voltage coil, a non-crystal alloy iron core, an iron core pulling plate, a coil insulating pressing block, an iron core clamping member, a silicon rubber forming member and a transformer base. The transformer is characterized in that the high-voltage coil and the low-voltage coil are supported and positioned radially through the silicon rubber forming member, the high-voltage coil and the low-voltage coil are pressed axially through the coil insulating pressing block and sleeved to the non-crystal alloy iron core, the non-crystal alloy iron core is attached to the iron core pulling plate through epoxy resin thus to form a whole and the iron core clamping member is fixed and installed on the transformer base through a fixing device. The transformer has the advantages that the ability of the transformer bearing radial electric force can be increased, the load noise caused by working current under the normal working state of the transformer is removed, and the reliability and the safety of the transformer are improved.
Description
Technical field
The utility model relates to a kind of high-tension transformer, specifically a kind of efficient squelch type amorphous dry-type transformer.
Background technology
Transformer is to utilize the principle of electromagnetic induction to change the device of alternating voltage, and main member is primary coil, secondary coil and iron core (magnetic core).In electric equipment and radio-circuit, transformer is commonly used for lifting voltage, matched impedance, safety isolation etc.Its function mainly contains: voltage transformation; Current transformation, impedance transformation; Isolation; Voltage stabilizing (magnetic saturation transformer); Autotransformer; High-tension transformers (dry type and oil immersed type) etc., the core configuration that transformer is commonly used generally has E type and C shaped iron core, XED type, ED type, CD type etc.The basic pattern of transformer comprises two groups of coils that are wound with wire, and combines in the inductance mode each other.When an alternating current (having a certain given frequency) flows in one group of coil wherein, and will induce the alternating voltage with same frequency in another group coil, and the voltage swing of induction depends on the degree of two coil couplings and magnetic interlinkage.
Power transformer is very crucial equipment in electric power system, and epoxy air-immersed transformer is wherein a kind of, the safe operation of dry-type transformer and useful life, depends on to a great extent Transformer Winding.Epoxy air-immersed transformer is made of high-tension coil, low-voltage coil, iron core, iron-core draw-board, iron core folder, coil insulation briquetting, transformer base.in order to reduce transformer noload losses, generally use amorphous alloy material to replace silicon steel sheet as core material, at present because amorphous alloy strips only has three kinds of sheets wide, for easy to process that the amorphous alloy strips stack is orthogonal, coil shape match with it do orthogonal, when transformer capacity reaches 1600KVA and when above, because the transformer load operating current is very large, very large alternation electric power will be produced, the width that it bears for square coil will be over its width to allowable stress to stress, transformer descends high-tension coil in working order, low-voltage coil will produce vibrations and cause noise, as the electrical network accident that is short-circuited, powerful short circuit current can cause the damage of transformer.
The utility model content
Order of the present utility model is to overcome defects, provides a kind of simple and reasonable, and production and processing is efficient squelch type amorphous dry-type transformer easily.
the utility model purpose realizes with the following methods: 1 one kinds of efficient squelch type amorphous dry-type transformers, this transformer mainly comprises high-tension coil, low-voltage coil, amorphous alloy iron core, iron-core draw-board, the coil insulation briquetting, the iron core folder, silicon rubber formed and transformer base, it is characterized in that, between described high-tension coil and low-voltage coil with silicon rubber formed width to supporting and location, described high-tension coil, low-voltage coil carries out axial compression by the coil insulation briquetting and is set on amorphous alloy iron core, described amorphous alloy iron core by epoxy resin cement in make it on iron-core draw-board as a whole, described iron core folder is mounted on transformer base by fixture.
The enamelled wire coiling of described high-tension coil, low-voltage coil is with Copper Foil or aluminium foil coiling.
Described high-tension coil, low-voltage coil are solidified into one after the epoxide resin vacuum cast.
The different sheets of described amorphous alloy iron core employing are wide, different folded thick amorphous alloy strips are combined to form ellipse.
Described high-tension coil, low-voltage coil adopt oval coiling.
The beneficial effects of the utility model are: 1) simple in structure, production cost is low, improves the market competitiveness.2) the utility model has the advantages that high-tension coil, low-voltage coil adopt oval, the different sheets of amorphous alloy iron core employing are wide, the different folded peritectic alloy bands of being altogether unjustifiable are combined to form ellipse, adapt with coil shape, this amorphous alloy epoxy dry-type transformer can increase transformer and bear width to electrodynamic ability, eliminated the load noise that transformer is caused by operating current in normal operation, and the reliability and the fail safe that have improved amorphous alloy epoxy dry-type transformer.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 the utility model structure cutaway view.
Fig. 3 the utility model Facad structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is made concrete further instruction.As shown in Figure 1: a kind of efficient squelch type amorphous dry-type transformer, this transformer main high voltage coil 1, low-voltage coil 2, amorphous alloy iron core 3, iron-core draw-board 4, coil insulation briquetting 5, iron core folder 6, silicon rubber formed 9 and transformer base 7, high-tension coil 1, low-voltage coil 2 adopt oval, and high-tension coil 1 use enamelled wire coiling is solidified into one after epoxy resin 8 vacuum pourings, low-voltage coil 2 use Copper Foils or aluminium foil coiling are solidified into one after epoxy resin 8 vacuum pourings.
The described amorphous alloy iron core 3 different sheets of use are wide, the different folded peritectic alloy bands of being altogether unjustifiable are combined to form ellipse, match with high-tension coil 1, low-voltage coil 2 shapes, iron-core draw-board 4 use epoxy resin 8 cement in make it on amorphous alloy iron core 3 as a whole, and install fixing with iron core folder 6, transformer base 7, described high-tension coil 1, low-voltage coil 2 are sleeved on amorphous alloy iron core 3, and carry out width to the location with silicon rubber formed 9, carry out axial compression by coil insulation briquetting 5.
As shown in Fig. 2: this transformer capacity is in the utility model: 1600-5000KVA, electric pressure: 6KV, 10KV, 35KV; High-tension coil 1 use H level composite enameled wire coiling is shaped with epoxy resin 8 vacuum pourings; Low-voltage coil 2 use Copper Foil (or aluminium foil) coilings, be shaped with epoxy resin 8 vacuum pourings: amorphous alloy iron core 3 is sheared, is bonded together with epoxy resin 8 and iron-core draw-board 4 after winding shaping by required size, and formation amorphous alloy iron core 3 is implemented in layering; Amorphous alloy iron core 3, iron core folder 6, transformer base 7 use securing members are fixed on together.
As shown in Fig. 3; High-tension coil 1, low-voltage coil 2 are sleeved on the column of amorphous alloy iron core 3, carry out width to supporting and location with silicon rubber formed 9 each other; Pass through coil insulation briquetting 5 with high-tension coil 1, low-voltage coil 2 axial compression with securing member.
The utility model bears width to electrodynamic ability by changing coil shape increase transformer, has improved reliability, the fail safe of amorphous alloy epoxy dry-type transformer, and has eliminated the load noise that transformer is caused by operating current in normal operation.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And the apparent variation of being extended out thus or change still are among the protection range of claims of the invention.
Claims (5)
1. efficient squelch type amorphous dry-type transformer, this transformer mainly comprises high-tension coil, low-voltage coil, amorphous alloy iron core, iron-core draw-board, the coil insulation briquetting, the iron core folder, silicon rubber formed and transformer base, it is characterized in that, between described high-tension coil and low-voltage coil with silicon rubber formed width to supporting and location, described high-tension coil, low-voltage coil carries out axial compression by the coil insulation briquetting and is set on amorphous alloy iron core, described amorphous alloy iron core by epoxy resin cement in make it on iron-core draw-board as a whole, described iron core folder is mounted on transformer base by fixture.
2. a kind of efficient squelch type amorphous dry-type transformer according to claim 1, is characterized in that, the enamelled wire coiling of described high-tension coil, and low-voltage coil is with Copper Foil or aluminium foil coiling.
3. a kind of efficient squelch type amorphous dry-type transformer according to claim 1 and 2, is characterized in that, described high-tension coil, low-voltage coil are solidified into one after the epoxide resin vacuum cast.
4. a kind of efficient squelch type amorphous dry-type transformer according to claim 1, is characterized in that, the different sheets of described amorphous alloy iron core employing are wide, different folded thick amorphous alloy strips are combined to form ellipse.
5. described a kind of efficient squelch type amorphous dry-type transformer according to claim 1, is characterized in that, described high-tension coil, low-voltage coil adopt oval coiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700782 CN203013483U (en) | 2012-12-18 | 2012-12-18 | Efficient silence non-crystal dry type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700782 CN203013483U (en) | 2012-12-18 | 2012-12-18 | Efficient silence non-crystal dry type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013483U true CN203013483U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220700782 Expired - Fee Related CN203013483U (en) | 2012-12-18 | 2012-12-18 | Efficient silence non-crystal dry type transformer |
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| Country | Link |
|---|---|
| CN (1) | CN203013483U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489595A (en) * | 2013-10-19 | 2014-01-01 | 国家电网公司 | Insulated assembly structure of body of three-phase three-column amorphous alloy dry-type transformer |
| CN105304291A (en) * | 2014-07-18 | 2016-02-03 | 扬州华鼎电器有限公司 | Foil winding dry type transformer and production method thereof |
-
2012
- 2012-12-18 CN CN 201220700782 patent/CN203013483U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489595A (en) * | 2013-10-19 | 2014-01-01 | 国家电网公司 | Insulated assembly structure of body of three-phase three-column amorphous alloy dry-type transformer |
| CN103489595B (en) * | 2013-10-19 | 2016-01-06 | 国家电网公司 | Three-phase three-column amorphous alloy dry device body insulation assembly structure |
| CN105304291A (en) * | 2014-07-18 | 2016-02-03 | 扬州华鼎电器有限公司 | Foil winding dry type transformer and production method thereof |
| CN105304291B (en) * | 2014-07-18 | 2017-06-16 | 扬州华鼎电器有限公司 | A kind of paper tinsel is around dry-type transformer and its production method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20181218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |