CN202487357U - Dry type transformer for explosion suppression type mobile substation for amorphous alloy mining - Google Patents
Dry type transformer for explosion suppression type mobile substation for amorphous alloy mining Download PDFInfo
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- CN202487357U CN202487357U CN2012201087615U CN201220108761U CN202487357U CN 202487357 U CN202487357 U CN 202487357U CN 2012201087615 U CN2012201087615 U CN 2012201087615U CN 201220108761 U CN201220108761 U CN 201220108761U CN 202487357 U CN202487357 U CN 202487357U
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Abstract
The utility model discloses a dry type transformer for an explosion suppression type mobile substation for an amorphous alloy mining and belongs to the field of mining explosion suppression type electric power supply devices. The dry type transformer is mainly used for dangerous places such as a coal mine under which gas and coal dust explosions can occur, and is used for power supply and transformation equipment with 10kV or 6 kV primary voltages and 380 V, 660V, 1140V and 3300V secondary voltages. The dry type transformer comprises a high-voltage coil, a low-voltage coil, an iron core, a clamp part and a box body, the iron core utilizes an amorphous alloy, the dry type transformer is characterized in that the high-voltage coil (8) and the low-voltage coil (5) both utilize a rectangular winding, an insulating cylinder (6) is arranged between the high-voltage coil (8) and the low-voltage coil (5), insulating layers and struts (7) are arranged in interlayers of the high-voltage coil (8) and the low-voltage coil (5), and longitudinal heat dissipation air passages are utilized by the high-voltage coil (8) and the low-voltage coil (5). The dry type transformer has the advantages that the dry type transformer is efficient and energy saving, the maintenance is not required, the operation is stable, the reliability is high, the service life is long, the pollution is absent and the like.
Description
Technical field
The non-crystaline amorphous metal flameproof mining mobile transformer substation is used dry-type transformer, belongs to the electric power supply unit of flame-proof mine field.Be mainly used in the hazardous area of containing gas, coal-dust explosion under the coal mine, as primary voltage 10kV or 6kV, secondary voltage 380V, 660V, 1140V, 3300V supply, converting equipment uses.
Background technology
The most frequently used configuration in mobile substation at present is to be made up of with intelligent low-pressure guard box three parts with high-voltage vacuum distribution equipment and flameproof mining mobile transformer substation with dry-type transformer, flameproof mining mobile transformer substation flameproof mining mobile transformer substation.Wherein the flameproof dry type transformer iron core adopts staggered complete oblique, the folded sign indicating number formula of silicon steel sheet; Winding adopts the circular coil by the insulated copper wire coiling, and this type of dry-type transformer exists that loss is high, noise is big, temperature rise, defectives such as volume is big, the winding mechanical strength is low, operating cost height.
Summary of the invention
The problem that the utility model will solve is, overcomes the deficiency and the defective of prior art, provide a kind of energy-efficient, non-maintaining, stable, reliability is high, the life-span is long, free of contamination non-crystaline amorphous metal flameproof mining mobile transformer substation is used dry-type transformer.
The technical scheme that the utility model provides is: this non-crystaline amorphous metal flameproof mining mobile transformer substation is used dry-type transformer; Comprise high and low pressure coil, iron core, folder and casing; Iron core adopts amorphous alloy iron core, and it is characterized in that: high-tension coil, low-voltage coil all adopt the rectangle winding, are provided with insulating cylinder between high-tension coil and the low-voltage coil; High-tension coil and low-voltage coil interlayer are equipped with insulating barrier and stay, and high-tension coil and low-voltage coil adopt vertically heat radiation air flue.
Described insulating cylinder is a rectangle H class F insulation.
Described transformer core is the three-phase five-limb rectangular arranged.
Described casing is hermetic ellipsoidal structure.
Be provided with insulating cylinder between the high-tension coil of described transformer and the low-voltage coil, adopt H level vacuum pressure impregnation enamelled coating.
With present compared with techniques, the non-crystaline amorphous metal flameproof mining mobile transformer substation of the utility model with the beneficial effect that dry-type transformer had is:
(1) the high and low pressure coil all adopts the Nuo Maike paper bag flat type copper wire coiling that du pont company is produced.Nuo Maike paper is adopted in the insulation of high and low pressure coil interlayer, has strengthened the insulation and the heat resistance of coil greatly.The high and low pressure coil all adopts the rectangle winding simultaneously, has improved dielectric strength.And prior art adopts ferry glass insulation, and high-voltage coil and low-voltage coil adopts platinum formula winding, and cost is high, and insulation effect is poor.
(2) transformer high and low pressure coil is adopted vertically heat radiation air flue, H class F insulation tube and stay between the high-voltage coil and low-voltage coil, the heat dispersion of intensifier coil, mechanical strength and insulation property.
(3) transformer core is the three-phase five-limb rectangular arranged, in two other posts, flows through the zero sequence magnetic flux, and magnetic flux does not produce the structure loss of heating without casing, makes transformer can satisfy low noise, low-loss requirement; Iron core adopts folder simultaneously, and iron core hangs on the winding, and iron core does not stress, and energy-saving effect is remarkable, and noise reduces, and has reduced the height of transformer simultaneously.Can descend more than the 60%-70% with capacity transformer no-load loss.
(4) transformer coil adopts the vacuum pressure impregnation of H level; Again through the high temperature baked and cured, thereby guarantee the electric insulation intensity and the mechanical strength of coil, improved the performance of whole transformer greatly; Prolonged the useful life of transformer; Adopt the similar transformer of poured with epoxy resin to compare with prior art, have advantages such as good heat dissipation, temperature rise are low, natural cooling, be applicable under the coal mine.
(5) casing adopts the corrugated plating radiator that cold-rolled steel sheet is processed, and mechanical strength is good, and area of dissipation is big, strengthens explosion insulation performance, delays service life of equipment;
(6) transformer-cabinet is hermetically sealed, and environment is not produced pollution, and is non-maintaining in 20 years, is applicable to the place that has gas and coal dust under the coal mine.
Description of drawings
Fig. 1 is the main TV structure sketch map of this practical non-crystaline amorphous metal flameproof mining mobile transformer substation with dry-type transformer;
Fig. 2 is the schematic side view of Fig. 1;
Fig. 3 is high and low coil master TV structure sketch map;
Fig. 4 is the plan structure sketch map of Fig. 3.
Fig. 1～4th, the utility model are the most preferred embodiment of non-crystaline amorphous metal flameproof mining mobile transformer substation with dry-type transformer.
Wherein: 1, upper clamping piece 2, amorphous alloy iron core 3, end folder 4, lower clamping piece 5, low-voltage coil 6, insulating cylinder 7, stay 8, high-tension coil 9, end insulation.
Embodiment
Non-crystaline amorphous metal flameproof mining mobile transformer substation below in conjunction with 1～4 pair of the utility model of accompanying drawing further specifies with dry-type transformer:
With reference to accompanying drawing 1～4:
This non-crystaline amorphous metal flameproof mining mobile transformer substation is used dry-type transformer, is made up of upper clamping piece 1, amorphous alloy iron core 2, end folder 3, lower clamping piece 4, low-voltage coil 5, insulating cylinder 6, stay 7, high-tension coil 8 and end insulation 9.Wherein in the middle of three-phase and five-pole amorphous alloy iron core 2, be with high-tension coil 8 and low-voltage coil 5 on three posts, with drawing screw rod will be fixed on lower yoke upper clamping piece 1 and lower clamping piece 4 tensions on the amorphous alloy iron core 2, and fix high-tension coil 8 and low-voltage coil 5.Casing is high-amplitude, small echo distance, hermetically sealed, ellipsoidal structure.The iron core lap joint is arranged on the bottom, and iron core adopts upper clamping piece 1 and lower clamping piece 4 simultaneously, and iron core hangs on the winding, and with drawing screw rod to fix.
Be characterized in:
(1) high-tension coil 8 and low-voltage coil 5 all adopt the Nuo Maike paper bag flat type copper wire coiling that du pont company is produced.High-tension coil 8 adopts Nuo Maike paper with low-voltage coil 5 layer insulations, has strengthened the insulation and the heat resistance of coil greatly.High-tension coil 8 all adopts the rectangle winding with low-voltage coil 5 simultaneously, has improved dielectric strength.
(2) transformer high-voltage coil 8 and low-voltage coil 5 are adopted vertically heat radiation air flue, H class F insulation tube and stay between high-tension coil 8 and the low-voltage coil 5, the heat dispersion of intensifier coil, mechanical strength and insulation property.
(3) transformer core is the three-phase five-limb rectangular arranged, in two other posts, flows through the zero sequence magnetic flux, and magnetic flux does not produce the structure loss of heating without casing, makes transformer can satisfy low noise, low-loss requirement; Iron core adopts folder simultaneously, and iron core hangs on the winding, and iron core does not stress, and energy-saving effect is remarkable, and noise reduces, and has reduced the height of transformer simultaneously.
(4) transformer coil adopts H level vacuum pressure impregnation enamelled coating, again through the high temperature baked and cured, thereby has guaranteed the electric insulation intensity and the mechanical strength of coil, has improved the performance of whole transformer greatly, has prolonged the useful life of transformer.
(5) casing adopts the corrugated plating radiator that cold-rolled steel sheet is processed, and mechanical strength is good, and area of dissipation is big, strengthens explosion insulation performance, delays service life of equipment; Described casing is that small echo is apart from hermetic ellipsoidal structure.
(6) transformer-cabinet is hermetically sealed, and environment is not produced pollution, and is non-maintaining in 20 years, is applicable to the place that has gas and coal dust under the coal mine.
The above; It only is the preferred embodiment of the utility model; Be not to be the restriction of the utility model being made other form, any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified as the equivalent embodiment of equivalent variations.But every the utility model technical scheme content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection range of the utility model technical scheme according to the technical spirit of the utility model.
Claims (5)
1. the non-crystaline amorphous metal flameproof mining mobile transformer substation is used dry-type transformer; Comprise high and low pressure coil, iron core, folder and casing; Iron core adopts amorphous alloy iron core, and it is characterized in that: high-tension coil (8), low-voltage coil (5) all adopt the rectangle winding, are provided with insulating cylinder (6) between high-tension coil (8) and the low-voltage coil (5); High-tension coil (8) and low-voltage coil (5) interlayer are equipped with insulating barrier and stay (7), and high-tension coil (8) and low-voltage coil (5) adopt vertically heat radiation air flue.
2. non-crystaline amorphous metal flameproof mining mobile transformer substation according to claim 1 is used dry-type transformer, it is characterized in that: described insulating cylinder (6) is a rectangle H class F insulation.
3. non-crystaline amorphous metal flameproof mining mobile transformer substation according to claim 1 is used dry-type transformer, it is characterized in that: described transformer core is the three-phase five-limb rectangular arranged.
4. non-crystaline amorphous metal flameproof mining mobile transformer substation according to claim 1 is used dry-type transformer, it is characterized in that: described casing is hermetic ellipsoidal structure.
5. non-crystaline amorphous metal flameproof mining mobile transformer substation according to claim 1 is used dry-type transformer, it is characterized in that: be provided with insulating cylinder between high-tension coil of described transformer (8) and the low-voltage coil (5), adopt H level vacuum pressure impregnation enamelled coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201087615U CN202487357U (en) | 2012-03-21 | 2012-03-21 | Dry type transformer for explosion suppression type mobile substation for amorphous alloy mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201087615U CN202487357U (en) | 2012-03-21 | 2012-03-21 | Dry type transformer for explosion suppression type mobile substation for amorphous alloy mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202487357U true CN202487357U (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201087615U Expired - Lifetime CN202487357U (en) | 2012-03-21 | 2012-03-21 | Dry type transformer for explosion suppression type mobile substation for amorphous alloy mining |
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| Country | Link |
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| CN (1) | CN202487357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208351A (en) * | 2012-12-29 | 2013-07-17 | 江苏中联电气股份有限公司 | Dry-type transformer for mining flameproof movable substation |
| CN108831721A (en) * | 2018-06-27 | 2018-11-16 | 阳光电源股份有限公司 | Transformer insulated component and transformer |
-
2012
- 2012-03-21 CN CN2012201087615U patent/CN202487357U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208351A (en) * | 2012-12-29 | 2013-07-17 | 江苏中联电气股份有限公司 | Dry-type transformer for mining flameproof movable substation |
| CN108831721A (en) * | 2018-06-27 | 2018-11-16 | 阳光电源股份有限公司 | Transformer insulated component and transformer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |
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| CX01 | Expiry of patent term |