CN204537818U - A kind of dry-type amorphous alloy transformer - Google Patents
A kind of dry-type amorphous alloy transformer Download PDFInfo
- Publication number
- CN204537818U CN204537818U CN201520230689.7U CN201520230689U CN204537818U CN 204537818 U CN204537818 U CN 204537818U CN 201520230689 U CN201520230689 U CN 201520230689U CN 204537818 U CN204537818 U CN 204537818U
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- China
- Prior art keywords
- iron core
- amorphous alloy
- dry
- type amorphous
- underframe
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- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 40
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 13
- 239000011889 copper foil Substances 0.000 claims description 8
- 229920006334 epoxy coating Polymers 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000005422 blasting Methods 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 239000004593 Epoxy Substances 0.000 description 6
- 238000004804 winding Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Insulating Of Coils (AREA)
Abstract
The utility model relates to a kind of dry-type amorphous alloy transformer, this transformer comprises the upper frame, side folder and the underframe that connect successively from top to bottom, described upper frame, side folder and underframe form iron core space, described transformer also comprises the iron core being arranged on iron core interior volume and the low-voltage coil, insulating cylinder and the high-tension coil that are set in successively from inside to outside on iron core, described iron core is amorphous alloy iron core, and in four frame pentastyle structures.Compared with prior art, the advantages such as the utility model has low-loss, low noise, structure is simple, cost is low, reliability is high, good heat dissipation effect.
Description
Technical field
The utility model relates to a kind of transformer, especially relates to a kind of dry-type amorphous alloy transformer.
Background technology
Mostly current dry-type transformer is the iron core adopting thick epoxy coating, although this structure iron core mechanical strength is good, greatly reduces the performance of material own, make transformer noise and loss larger.At present low-voltage coil of dry type transformer adopts epoxy casting or epoxy end seal structure in addition, this version complex process, production difficulty and cost higher, and the epoxy resin waste recovery produced is difficult, produces certain influence to environment.The main airway structure of conventional dry transformer is had well not control cost and improving performance again.
Chinese patent CN102136356A discloses a kind of three-phase and five-pole transformer, comprise line bag and magnetic core, described magnetic core is three-phase and five-pole structure, the every post of described line bag comprises two or more windings, in described winding, secondary side circuit connects into two anti-star structure, and described winding adopts primary side Phase shift winding, only leaves very little gap between the low-voltage coil of this transformer and high-tension coil, radiating effect is very poor, affects the normal operation of transformer.
Utility model content
The purpose of this utility model be exactly in order to overcome above-mentioned prior art exist defect and a kind of low-loss, low noise are provided, structure is simple, cost is low, reliability is high, the dry-type amorphous alloy transformer of good heat dissipation effect.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of dry-type amorphous alloy transformer, this transformer comprises the upper frame, side folder and the underframe that connect successively from top to bottom, described upper frame, side folder and underframe form iron core space, described transformer also comprises the iron core being arranged on iron core interior volume and the low-voltage coil, insulating cylinder and the high-tension coil that are set in successively from inside to outside on iron core, and described iron core is four frame pentastyle structures.
Described iron core is amorphous alloy iron core.
Described iron core upper surface and middle part are coated with epoxy coating, and described epoxy coating thickness is less than or equal to 0.5mm.
Described iron core is rolled by Structures of Multilayers Amorphous Alloys band and forms.
Described low-voltage coil comprises Copper Foil, layer insulation and multilayer insulation end circle, and described layer insulation is arranged between Copper Foil and insulating end ring, and described high-tension coil comprises copper cash and insulating barrier, and is multi-segment structure.Described side folder is fastenedly connected with upper frame and underframe respectively by bolt, and described upper frame, side folder and underframe are the steel beam column of shot blasting on surface process.
Described insulating cylinder is composite polyester film insulating cylinder or composite flexible material insulating cylinder.
Compared with prior art, the utility model has the following advantages:
One, low-loss, low noise: the utility model adopts thin epoxy construction iron core relative traditional thick epoxy iron core, not only can ensure to assemble the mechanical demand to iron core, the soft magnetic characteristic of amorphous alloy material can also be given full play to, make amorphous alloy dry-type transformer have lower loss and noise.
Two, structure is simple, cost is low: the utility model low-voltage coil employing insulating end ring structure makes simply relative to traditional structure, cost is low, environmental protection;
Three, reliability is high: high-tension coil of the present utility model adopts multi-segment structure can reduce the partial discharge of transformer, improves product reliability of operation;
Four, good heat dissipation effect: the utility model by arranging insulating cylinder between high-voltage coil and low-voltage coil, dielectric strength can be increased, promote transformer impact resistance, main airway is divided into two by insulating cylinder simultaneously, can allow air-flow more high efficiency take away coil surface heat, improving heat radiation efficiency, ensures the safe operation of transformer.
Accompanying drawing explanation
Fig. 1 is structural front view of the present utility model.
Fig. 2 is structure left view of the present utility model.
Fig. 3 is low-voltage coil insulating end ring structural representation.
Fig. 4 is the utility model insulating barrel structure front view.
Fig. 5 is the utility model insulating barrel structure left view.
Wherein: 1, iron core, 2, low-voltage coil, 21, Copper Foil, 22, layer insulation, 23, multilayer insulation end circle, 3, insulating cylinder, 4, high-tension coil, 5, side folder, 6, upper frame, 7, underframe.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment:
As shown in Figure 1-2, a kind of dry-type amorphous alloy transformer, this transformer comprises the upper frame 6 connected successively from top to bottom, side folder 5 and underframe 7, upper frame 6, side folder 5 and underframe 7 form iron core space, transformer also comprises the iron core 1 being arranged on iron core interior volume and the low-voltage coil 2 be set in successively from inside to outside on iron core 1, insulating cylinder 3 and high-tension coil 4, iron core 1 is amorphous alloy iron core, and in four frame pentastyle structures, side folder 5 is fastenedly connected with upper frame 6 and underframe 7 respectively by bolt, upper frame 6, side folder 5 and underframe 7 are the steel beam column of shot blasting on surface process, as shown in Figures 4 and 5, insulating cylinder 3 is composite polyester film insulating cylinder or composite flexible material insulating cylinder, iron core 1 upper surface and middle part are coated with epoxy coating, epoxy coating thickness is less than or equal to 0.5mm, iron core 1 is rolled by Structures of Multilayers Amorphous Alloys band and forms.
Low-voltage coil 2 comprises Copper Foil 21, layer insulation 22 and multilayer insulation end circle 23, and layer insulation 22 is arranged between Copper Foil 21 and insulating end ring 23, and high-tension coil 4 comprises copper cash and insulating barrier, and is multi-segment structure.
This example is for 10kV electric pressure 500kVA amorphous alloy dry-type transformer, adopt four frame five post tower structures, amorphous alloy iron core adopts amorphous alloy strip material to roll and forms, at the thin epoxy construction of surface application, iron core hangs in the support of low-voltage coil 2 and high-tension coil 4, have good unloaded and excitation property, no-load loss 5% ~ 7% can be reduced, noise reduces by 3 ~ 6dB, as shown in Figure 3, low-voltage coil 2 is by Copper Foil 21, layer insulation 22 and insulating end ring 23 in the lump coiling and through shaping solidification form, be shaped simple and environmental protection, the copper cash of high-tension coil 4 and insulation adopt multi-segment structure to form through vacuum epoxy casting, office discharges water to put down and can be controlled in below 5pc, by arranging insulating cylinder 3 between low-voltage coil 2 and high-tension coil 4, electric field strength according to above-mentioned pure air gap calculates, high-low pressure main airway distance can be reduced 5mm, can significantly save high-tension coil material, reduce costs, main airway is divided into two by insulating cylinder 3 simultaneously, form two air flues that independently circulate, this structure makes airflow more tight, fully take away low-voltage coil 2 and the surperficial heat of high-tension coil 4, improve radiating efficiency, guarantee product safety is run.
Claims (7)
1. a dry-type amorphous alloy transformer, this transformer comprises the upper frame (6), side folder (5) and the underframe (7) that connect successively from top to bottom, described upper frame (6), side folder (5) and underframe (7) form iron core space, it is characterized in that, described transformer also comprises the iron core (1) being arranged on iron core interior volume and the low-voltage coil (2), insulating cylinder (3) and the high-tension coil (4) that are set in successively from inside to outside on iron core (1), and described iron core (1) is in four frame pentastyle structures.
2. a kind of dry-type amorphous alloy transformer according to claim 1, is characterized in that, described iron core (1) is amorphous alloy iron core.
3. a kind of dry-type amorphous alloy transformer according to claim 1, is characterized in that, described iron core (1) upper surface and middle part are coated with epoxy coating, and described epoxy coating thickness is less than or equal to 0.5mm.
4. a kind of dry-type amorphous alloy transformer according to claim 1, is characterized in that, described iron core (1) is rolled by Structures of Multilayers Amorphous Alloys band and forms.
5. a kind of dry-type amorphous alloy transformer according to claim 1, it is characterized in that, described low-voltage coil (2) comprises Copper Foil (21), layer insulation (22) and multilayer insulation end circle (23), described layer insulation (22) is arranged between Copper Foil (21) and insulating end ring (23), described high-tension coil (4) comprises copper cash and insulating barrier, and is multi-segment structure.
6. a kind of dry-type amorphous alloy transformer according to claim 1, it is characterized in that, described side folder (5) is fastenedly connected with upper frame (6) and underframe (7) respectively by bolt, and described upper frame (6), side folder (5) and underframe (7) are the steel beam column of shot blasting on surface process.
7. a kind of dry-type amorphous alloy transformer according to claim 1, is characterized in that, described insulating cylinder (3) is composite polyester film insulating cylinder or composite flexible material insulating cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520230689.7U CN204537818U (en) | 2015-04-16 | 2015-04-16 | A kind of dry-type amorphous alloy transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520230689.7U CN204537818U (en) | 2015-04-16 | 2015-04-16 | A kind of dry-type amorphous alloy transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204537818U true CN204537818U (en) | 2015-08-05 |
Family
ID=53751790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520230689.7U Expired - Fee Related CN204537818U (en) | 2015-04-16 | 2015-04-16 | A kind of dry-type amorphous alloy transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204537818U (en) |
-
2015
- 2015-04-16 CN CN201520230689.7U patent/CN204537818U/en not_active Expired - Fee Related
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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: 20150805 Termination date: 20210416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |