CN203895219U - Three-phase five-pillar dry type amorphous alloy transformer angle ring and installation assembly thereof - Google Patents
Three-phase five-pillar dry type amorphous alloy transformer angle ring and installation assembly thereof Download PDFInfo
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- CN203895219U CN203895219U CN201420352621.1U CN201420352621U CN203895219U CN 203895219 U CN203895219 U CN 203895219U CN 201420352621 U CN201420352621 U CN 201420352621U CN 203895219 U CN203895219 U CN 203895219U
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- connecting plate
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- square ring
- type amorphous
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Abstract
The utility model discloses a three-phase five-pillar dry type amorphous alloy transformer angle ring and an installation assembly of the three-phase five-pillar dry type amorphous alloy transformer angle ring. The three-phase five-pillar dry type amorphous alloy transformer angle ring comprises an angle ring body, wherein the angle ring body is formed by bending at least one layer of bendable plate and comprises an arc separating part, a first fixing edge part and a second fixing edge part. The installation assembly comprises the angle ring body, a pressing block, an iron core carrying plate and a vertical connecting plate fixed to a lateral clamp to shield a return yoke, wherein the pressing block is fixed on the outer end surface of the iron core carrying plate in the vertical direction, the first fixing edge part of the angle ring body is clamped and fixed between the pressing block and the iron core carrying plate, and the second fixing edge part of the angle ring body is fixed to the vertical connecting plate through a first insulating connector. The three-phase five-pillar dry type amorphous alloy transformer angle ring and the installation assembly of the three-phase five-pillar dry type amorphous alloy transformer angle ring are arranged on four corners of two iron core return yokes of a transformer, can homogenize the field intensity distribution of the end, increase creep distance, resolve the problem that electric breakdown happens easily to the return yokes of the amorphous alloy transformer, and improve the operation safety of the transformer.
Description
Technical field
The utility model relates to power transformer technical field, relates in particular to a kind of three-phase and five-pole dry-type amorphous alloy transformer square ring and installation assembly thereof.
Background technology
Amorphous alloy transformer, as one of the most energy-conservation transformer, is more and more subject to social recognition.It is simple, easy to operate that three-phase five-limb amorphous alloy core is compared three-phase three-limb technique, by special assembly bench, fixes coil, and iron core pushes from the side; And be applicable to making the transformer of larger capacity or volume, dry-type amorphous alloy transformer generally adopts three-phase five-limb at present.For three-phase five-limb amorphous dry change, the end field intensity of high-tension coil is large and deformity is serious, easily there is electric breakdown phenomena in four angular positions at two return yokes unshakable in one's determination, more serious in the relatively high 20kV of voltage and 35kV transformer, therefore, need a kind of three-phase and five-pole dry-type amorphous alloy transformer square ring, be installed on four angular positions of two return yokes unshakable in one's determination of transformer, with homogenizing end field strength distribution, increase creepage distance, easily there is the problem of electrical breakdown in the return yoke that solves three-phase and five-pole dry-type amorphous alloy transformer unshakable in one's determination, improve transformer safety in operation.
Utility model content
In view of this, the purpose of this utility model is to provide extremely installation assembly of a kind of three-phase and five-pole dry-type amorphous alloy transformer square ring, be arranged at four angular positions of two return yokes unshakable in one's determination of transformer, can homogenizing end field strength distribution, increase creepage distance, easily there is the problem of electrical breakdown in the return yoke that solves three-phase and five-pole dry-type amorphous alloy transformer unshakable in one's determination, improves transformer safety in operation.
Three-phase and five-pole dry-type amorphous alloy transformer square ring of the present utility model, comprise square ring body, described square ring body is bent into by one deck flexible plates material at least, the first fixed edge portion and the second fixed edge portion that comprise the isolation part of arc and be respectively in both sides, described isolation part;
Further, described the first fixed edge portion along continuous straight runs arranges; Described the second fixed edge portion vertically arranges and is provided with at least one fixing hole; Described isolation part and the first fixed edge portion and the rounding off bending of the second fixed edge portion;
Further, on described square ring body, corresponding the first fixed edge portion and joint, isolation part are provided with at least one rectangular opening;
Further, the thick 2-4mm of described square ring body and consistency of thickness; Described flexible sheet material is PET composite polyester film;
Three-phase and five-pole dry-type amorphous alloy transformer square ring installation assembly of the present utility model, comprises square ring body, briquetting, supporting plate unshakable in one's determination and is fixed on side folder to block the vertical connecting plate of return yoke; Described briquetting is vertically fixed on the outer face of supporting plate unshakable in one's determination, and the first fixed edge portion of square ring body is fixedly clamped between briquetting and supporting plate unshakable in one's determination; Vertical connecting plate is fixed on by the first insulated connecting piece in the second fixed edge portion of square ring body;
Further, described vertical connecting plate is fixed on side folder by the second insulated connecting piece; Vertically connecting plate comprises interior connecting plate, outer connecting plate and insulating washer; Described interior connecting plate is oppositely arranged with outer connecting plate is parallel, and insulating washer is supported between interior connecting plate and outer connecting plate for interior connecting plate and outer connecting plate are isolated;
Further, described the first insulated connecting piece and the second insulated connecting piece are nylon bolt; Described insulating washer is nylon washer; Insulating washer is placed on the outside location of the second insulated connecting piece one to one; The first insulated connecting piece bar portion is anchored on outer connecting plate through the fixing hole of the second fixed edge portion;
Further, described outer connecting plate and interior connecting plate are epoxy plate.
The beneficial effects of the utility model are: three-phase and five-pole dry-type amorphous alloy transformer square ring of the present utility model is installation assembly extremely, be arranged at four angular positions of two return yokes unshakable in one's determination of transformer, can homogenizing end field strength distribution, increase creepage distance, easily there is the problem of electrical breakdown in the return yoke that solves three-phase and five-pole dry-type amorphous alloy transformer unshakable in one's determination, improves transformer safety in operation.
Accompanying drawing explanation
Fig. 1 is three-phase and five-pole dry-type amorphous alloy transformer square ring structural representation;
Fig. 2 is that three-phase and five-pole dry-type amorphous alloy transformer square ring launches plane graph;
Fig. 3 is three-phase and five-pole dry-type amorphous alloy transformer square ring installation assembly structural representation;
Fig. 4 is A place zoomed-in view in Fig. 3.
Embodiment
Fig. 1 is three-phase and five-pole dry-type amorphous alloy transformer square ring structural representation, Fig. 2 is that three-phase and five-pole dry-type amorphous alloy transformer square ring launches plane graph, Fig. 3 is three-phase and five-pole dry-type amorphous alloy transformer square ring installation assembly structural representation, Fig. 4 is A place zoomed-in view in Fig. 3, as shown in the figure: the three-phase and five-pole dry-type amorphous alloy transformer square ring of the present embodiment, comprise square ring body 1, described square ring body 1 is bent into by one deck flexible plates material at least, the the first fixed edge portion 3 and the second fixed edge portion 4 that comprise the isolation part 2 of arc and be respectively in 2 both sides, described isolation part, square ring body 1 is installed on behind four angular positions of two return yokes unshakable in one's determination of three-phase and five-pole dry-type amorphous alloy transformer, by 2 pairs of isolation parts end field intensity, carry out homogenizing processing, increase creepage distance, easily there is the problem of electrical breakdown in the return yoke that solves three-phase and five-pole dry-type amorphous alloy transformer unshakable in one's determination, improve transformer safety in operation.
In the present embodiment, the 3 along continuous straight runs settings of described the first fixed edge portion, can be fixing with supporting plate unshakable in one's determination 8 overlap joints of three-phase and five-pole dry-type amorphous alloy transformer unshakable in one's determination; Described the second fixed edge portion 4 vertically arranges and is provided with at least one fixing hole 5, and the corresponding square ring body 1 of fixing hole 5 is wide respectively arranges one to both sides; Can by connector, be fixed on the side folder 9 of three-phase and five-pole dry-type amorphous alloy transformer unshakable in one's determination, be suitable for the narrow and small inner space of three-phase and five-pole dry-type amorphous alloy transformer unshakable in one's determination and install, and easy for installation; Described isolation part 2 and the first fixed edge portion 3 and the second fixed edge portion 4 rounding off bending, preferably homogenizing high-tension coil electric fields.
In the present embodiment, on described square ring body 1, corresponding the first fixed edge portion 3 is provided with at least one rectangular opening 6 with 2 joints, isolation part, and rectangular opening 6 arranges two and wide to arrangement along square ring body 1; Can be fixedly installed positioning convex at the corresponding rectangular opening 6 of supporting plate 8 unshakable in one's determination, the height of positioning convex is not more than the thickness of square ring body 1, during assembling, the rectangular opening of square ring body 16 is placed on this positioning convex and is positioned, and is convenient to assemble and guarantee assembly precision.
In the present embodiment, the thick 2-4mm of described square ring body 1 and consistency of thickness; Described flexible sheet material is PET composite polyester film; PET composite polyester film has excellent physics, chemical property and dimensional stability, the transparency, recuperability, while adopting the thick flexible sheet material in 1mm left and right to make, can adopt 2-4 to open according to high-tension coil electric pressure and be formed by stacking.
The three-phase and five-pole dry-type amorphous alloy transformer square ring installation assembly of the present embodiment, comprises square ring body 1, briquetting 7, supporting plate unshakable in one's determination 8 and is fixed on side folder 9 to block the vertical connecting plate of return yoke; Described briquetting 7 is vertically fixed on the outer face of supporting plate 8 unshakable in one's determination, and the first fixed edge portion 3 of square ring body 1 is fixedly clamped between briquetting 7 and supporting plate unshakable in one's determination 8; Vertical connecting plate is fixed on by the first insulated connecting piece 10 in the second fixed edge portion 4 of square ring body 1, it is reasonable that square ring body 1 is positioned at the position at four angles of two return yokes unshakable in one's determination of three-phase and five-pole dry-type amorphous alloy transformer, preferably homogenizing high-tension coil electric field, increased creepage distance; The rectangular opening 6 of briquetting 7 or the corresponding square ring body 1 of supporting plate unshakable in one's determination 8 is fixedly installed positioning convex, the height of positioning convex is not more than the thickness of square ring body 1, during assembling, the rectangular opening of square ring body 16 is placed on this positioning convex and is positioned, be convenient to assemble and guarantee assembly precision.
In the present embodiment, described vertical connecting plate is fixed on side folder 9 by the second insulated connecting piece 11; Vertically connecting plate comprises interior connecting plate 12, outer connecting plate 13 and insulating washer 14; Described interior connecting plate 12 and parallel being oppositely arranged of outer connecting plate 13, insulating washer 14 is supported between interior connecting plate 12 and outer connecting plate 13 for interior connecting plate 12 and outer connecting plate 13 are isolated; Interior connecting plate 12 is more close to side folder 9 with respect to outer connecting plate 13, the width of interior connecting plate 12 and outer connecting plate 13 equals the width of side folder 9, electrical isolation between realization and side folder 9, outer connecting plate 13 is fixed in the second fixed edge portion 4 of square ring body 1, and the vertical connecting plate of the present embodiment can effectively avoid the creepage and side folder 9 of square ring body 1 conduction to connect.
In the present embodiment, described the first insulated connecting piece 10 and the second insulated connecting piece 11 are nylon bolt; Described insulating washer 14 is nylon washer; Insulating washer 14 is placed on the second outside location of insulated connecting piece 11 one to one; It is that physics separates that the first insulated connecting piece 10 bar portions are anchored between outer connecting plate 13, the first insulated connecting piece 10 and interior connecting plate 12 through the fixing hole 5 of the second fixed edge portion 4, avoids creepage and side folder 9 perforations of square ring body 1 conduction.
In the present embodiment, described outer connecting plate 13 and interior connecting plate 12 are epoxy plate, and under middle temperature, mechanical performance is high, and under high humidity, electric property is stable, has the good thermal endurance of high machinery and dielectric property and moisture resistivity.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (8)
1. a three-phase and five-pole dry-type amorphous alloy transformer square ring, it is characterized in that: comprise square ring body, described square ring body is bent into by one deck flexible plates material at least, the first fixed edge portion and the second fixed edge portion that comprise the isolation part of arc and be respectively in both sides, described isolation part.
2. three-phase and five-pole dry-type amorphous alloy transformer square ring according to claim 1, is characterized in that: described the first fixed edge portion along continuous straight runs arranges; Described the second fixed edge portion vertically arranges and is provided with at least one fixing hole; Described isolation part and the first fixed edge portion and the rounding off bending of the second fixed edge portion.
3. three-phase and five-pole dry-type amorphous alloy transformer square ring according to claim 1, is characterized in that: on described square ring body, corresponding the first fixed edge portion and joint, isolation part are provided with at least one rectangular opening.
4. three-phase and five-pole dry-type amorphous alloy transformer square ring according to claim 1, is characterized in that: the thick 2-4mm of described square ring body and consistency of thickness; Described flexible sheet material is PET composite polyester film.
5. a three-phase and five-pole dry-type amorphous alloy transformer square ring installation assembly, is characterized in that: comprise square ring body, briquetting, supporting plate unshakable in one's determination and be fixed on side folder to block the vertical connecting plate of return yoke; Described briquetting is vertically fixed on the outer face of supporting plate unshakable in one's determination, and the first fixed edge portion of square ring body is fixedly clamped between briquetting and supporting plate unshakable in one's determination; Vertical connecting plate is fixed on by the first insulated connecting piece in the second fixed edge portion of square ring body.
6. three-phase and five-pole dry-type amorphous alloy transformer square ring installation assembly according to claim 5, is characterized in that: described vertical connecting plate is fixed on side folder by the second insulated connecting piece; Vertically connecting plate comprises interior connecting plate, outer connecting plate and insulating washer; Described interior connecting plate is oppositely arranged with outer connecting plate is parallel, and insulating washer is supported between interior connecting plate and outer connecting plate for interior connecting plate and outer connecting plate are isolated.
7. three-phase and five-pole dry-type amorphous alloy transformer square ring installation assembly according to claim 6, is characterized in that: described the first insulated connecting piece and the second insulated connecting piece are nylon bolt; Described insulating washer is nylon washer; Insulating washer is placed on the outside location of the second insulated connecting piece one to one; The first insulated connecting piece bar portion is anchored on outer connecting plate through the fixing hole of the second fixed edge portion.
8. three-phase and five-pole dry-type amorphous alloy transformer square ring installation assembly according to claim 7, is characterized in that: described outer connecting plate and interior connecting plate are epoxy plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420352621.1U CN203895219U (en) | 2014-06-26 | 2014-06-26 | Three-phase five-pillar dry type amorphous alloy transformer angle ring and installation assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420352621.1U CN203895219U (en) | 2014-06-26 | 2014-06-26 | Three-phase five-pillar dry type amorphous alloy transformer angle ring and installation assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203895219U true CN203895219U (en) | 2014-10-22 |
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ID=51721590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420352621.1U Expired - Fee Related CN203895219U (en) | 2014-06-26 | 2014-06-26 | Three-phase five-pillar dry type amorphous alloy transformer angle ring and installation assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203895219U (en) |
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2014
- 2014-06-26 CN CN201420352621.1U patent/CN203895219U/en not_active Expired - Fee Related
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| 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: 20141022 Termination date: 20190626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |