CN102290206B - Suspension-mounted C-grade three-dimensional wound core dry type transformer - Google Patents
Suspension-mounted C-grade three-dimensional wound core dry type transformer Download PDFInfo
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- CN102290206B CN102290206B CN 201110114036 CN201110114036A CN102290206B CN 102290206 B CN102290206 B CN 102290206B CN 201110114036 CN201110114036 CN 201110114036 CN 201110114036 A CN201110114036 A CN 201110114036A CN 102290206 B CN102290206 B CN 102290206B
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Abstract
A suspension-mounted C-grade three-dimensional wound core dry type transformer comprises an upper clamp, a lower clamp, mounting supports, holddown plates, cores and coils; the cores and the coils are arranged between the upper clamp and the lower clamp; silica gel cushions are arranged on the surfaces of the upper and the lower clamps, which are in contact with the cores, holddown blocks and holddown screws are arranged between the upper end surfaces of the coils and the upper clamp, and holddown blocks are arranged between the lower end surfaces of the coils and the lower clamp; steels are welded together to form approximately triangular frames as the upper and the lower clamps, the upper and the lower clamps are connected together through four compression screws, stay bars are arranged between the coils and the cores, the lower end surfaces of the coils are tightly placed on the upper surfaces of the holddown blocks on the lower clamp, and the coils are then tightly pressed by tightening the holddown screws. Since the structure is adopted, besides the advantages of the conventional dry type transformer, such as safety, environment-friendliness and high overload capability, the main materials also have the characteristics of high insulating and heat-withstanding grades, little no-load loss, small exciting current, little noise, small size, light weight, high shock resistance, attractive appearance and the like.
Description
Technical field
The invention belongs to the technical field of power equipment, specifically be meant the C level three dimensional wound core dry-type transformer that a kind of suspension type is installed.
Background technology
Dry-type transformer in the market to be adopted and lands installations, but because some special places restrictions, requires that volume of transformer is little, in light weight, shock resistance strong and adopt the suspension type installation, for example on the locomotive.Traditional laminated core dry-type transformer, though also can adopt suspension type to install, its Heavy Weight, bulky characteristic can not satisfy uses the place to the requirement of volume of transformer and weight.In order to overcome the above problems, we introduce the C level three dimensional wound core dry-type transformer of the suspension type installation that a kind of volume is little, in light weight, shock resistance is strong, practical at present.
Summary of the invention
The objective of the invention is to: the C level three dimensional wound core dry-type transformer that provides a kind of thermal endurance class height that insulate, volume is little, in light weight, energy-saving and environmental protection are practical suspension type to install.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the C level three dimensional wound core dry-type transformer that suspension type is installed comprises upper clamping piece and lower clamping piece; Upper and lower folder is provided with installing rack and pressing plate; Be provided with iron core between upper clamping piece and the lower clamping piece, upper clamping piece and lower clamping piece and contact-making surface unshakable in one's determination place are provided with silicagel pad, and coil is on iron core; Be provided with briquetting between said coil upper end face and the upper clamping piece and press nail, be provided with briquetting between lower surface and the lower clamping piece.Described upper clamping piece and lower clamping piece are roughly triangular framing by what steel were welded into; Upper clamping piece is connected through four clamping screws with lower clamping piece; Be provided with stay between coil and the iron core; The upper surface that is placed on the briquetting on the lower clamping piece is close in the lower surface of coil, presses nail to compress coil through tightening up again, thereby makes iron core, coil and the upper and lower folder of transformer constitute an integral body.
The C level three dimensional wound core dry-type transformer that suspension type of the present invention is installed is owing to adopt such structure, except that having advantages such as conventional dry-type transformer safety, environmental protection, overload capacity are strong; Main material also has insulation thermal endurance class high (C level), and no-load loss, exciting curent are little, and noise is low; Volume is little; In light weight, characteristics such as shock resistance is strong, and is aesthetic in appearance.
Description of drawings
Fig. 1 is a stereogram of the present invention.
Fig. 2 is the winding diagram of high-tension coil of the present invention.
Fig. 3 is the winding diagram of low-voltage coil of the present invention.
Fig. 4 is the stereogram of upper clamping piece of the present invention and lower clamping piece position relation.
Fig. 5 is the stereogram of coil of the present invention.
Embodiment
Be described in further detail below in conjunction with the accompanying drawing specific embodiments of the invention, but do not constitute any restriction of the present invention.
C level three dimensional wound core dry-type transformer as shown in Figure 1, that a kind of suspension type is installed comprises upper clamping piece 1, and lower clamping piece 2 is arranged on iron core 5 and the coil 7 on the iron core between upper clamping piece 1 and the lower clamping piece 2; Upper clamping piece 1 is provided with silicagel pad 6 with lower clamping piece 2 with 5 contact-making surface places unshakable in one's determination.
Described coil 7 is provided with briquetting 8 and presses nail 9 on iron core between said coil 7 upper surfaces and the upper clamping piece 1, be provided with briquetting 8 between coil 7 lower surfaces and the lower clamping piece 2.
As shown in Figure 4, described upper clamping piece 1 is welded into by steel earlier with lower clamping piece 2 and is roughly leg-of-mutton framework, afterwards installing rack 3 and pressing plate 4 is welded on this triangular framing.Upper clamping piece 1 is connected through four clamping screws 10 with lower clamping piece 2, through tightening up the nut that is located on the clamping screw 10, can regulate upper and lower folder 1, the distance between 2, the i.e. height of transformer.After tightening up, pressing plate 4 can guarantee that unshakable in one's determination 5 do not take place to go here and there up and down, and can protect iron core can not receive external impact.Be provided with stay between the coil 7 and unshakable in one's determination 5, make coil 7 with unshakable in one's determination 5 one-tenths as a whole, thereby relative displacement can not take place between coil 7 and the iron core 5 when guaranteeing to take place to shake.
The upper surface of the briquetting 8 that is placed on the lower clamping piece 2 is close in the lower surface of coil 7, presses nail 9 to make briquetting 8 compress coil 7 through tightening up again, thereby makes iron core 5, coil 7 and the upper and lower folder 1,2 of whole transformer constitute an integral body.Whole transformer is installed on the erecting bed through the installing rack 3 that is provided with on upper clamping piece 1 and the lower clamping piece 2.
Said briquetting 8 upper surfaces have groove, press the nail lower surface to inlay in the groove, press between nail and the briquetting in the time of can guaranteeing vibrations take place and relative displacement can not take place, thereby can better compress coil 7.
As shown in Figure 2; High-tension coil has three binding posts 31,32,33; As shown in Figure 3; Low-voltage coil four binding posts 41,42,43,44 are arranged, high-tension coil has four binding posts 41,42,43,44 of three binding posts 31,32,33 and low-voltage coil to arrange on the lead frame 11 of the both sides that are located at transformer respectively.The modes of emplacement of this kind binding post has effectively been saved the transformer locational space at both ends up and down, and then has dwindled the volume of transformer, and user's wiring when making things convenient for the transformer suspension type to install.
As shown in Figure 5; Described coil 7 is made up of high-tension coil 21, low-voltage coil 22 and electrostatic shielding 23; High-tension coil 21 is arranged on the middle part; The upper and lower of high-tension coil 21 is arranged on low-voltage coil 22, the coiling on same iron core of high-tension coil and low-voltage coil, and electrostatic shielding 23 is arranged between high-tension coil 21 and the low-voltage coil 22.Stay 25 is along axial setting unshakable in one's determination, and dovetail cushion block 24 is disposed radially; One end of dovetail cushion block 24 and stay 25 are fitted.
As shown in Figure 3; Be provided with the little air flue that dovetail cushion block 24 is propped up between high-tension coil 21 each line cake and between low-voltage coil 22 each line cake; Be provided with big airways between high-tension coil and the low-voltage coil; Be provided with dovetail cushion block 24 between electrostatic shielding 23 and high-tension coil 21 and the low coil 22, constitute the second largest air flue 72 of formation between first air flue 71, electrostatic shielding 23 and the low-voltage coil 22 between electrostatic shielding 23 and the high-tension coil 21; The air flue direction is consistent with the erecting bed wind direction, can guarantee transformer good heat radiation of when operation.In addition, this kind of high and low pressure coil arrangement architecture has effectively dwindled the size of coil horizontal direction, and then has dwindled the volume of transformer.
Like Fig. 1, said high-tension coil B draws 2 mutually and lifts one's head, and 1 is used for being connected with the tail head of A phase coil, and other 1 is used as high-voltage connection terminal; High-tension coil C draws 2 mutually and lifts one's head, and 1 is used for being connected with the first head of A phase coil, and other 1 is used for A phase connection terminal.Said a phase low-voltage coil is drawn 2 tail heads, is respectively applied for y and is connected with the tail head of b phase, c phase when connecing.This kind of high and low pressure coil mode of lifting one's head has effectively reduced the shared space that goes between, and has dwindled the volume of transformer, and aesthetic in appearance.
Above-described only is preferential execution mode of the present invention.Should be pointed out that for the person of ordinary skill of the art under the situation that does not break away from the principle of the invention, can also make some improvement and modification, this also is regarded as protection scope of the present invention.
Claims (2)
1. the C level three dimensional wound core dry-type transformer installed of a suspension type; Comprise upper clamping piece (1), lower clamping piece (2) is arranged on the installing rack (3) on the upper and lower folder (1,2); Pressing plate (4) is arranged on iron core (5) and coil between upper clamping piece and the lower clamping piece; Upper clamping piece (1) and lower clamping piece (2) are provided with silicagel pad (6) with contact-making surface unshakable in one's determination place; Coil is on iron core; Be provided with briquetting (8) between said coil upper end face and the upper clamping piece and press nail (9), be provided with briquetting (8) between coil lower surface and the lower clamping piece (2); Said coil is made up of around the coil (7) on the iron core A, B, C three-phase; Said coil (7) comprises high-tension coil (21) and low-voltage coil (22);
Described upper clamping piece (1) and lower clamping piece (2) are the triangular framings that is welded into by steel; Upper clamping piece is connected through four clamping screws (10) with lower clamping piece; Be provided with stay (25) between coil (7) and (5) unshakable in one's determination; The upper surface that is placed on the briquetting on the lower clamping piece is close in the lower surface of coil (7), presses nail (9) to compress coil (7) through tightening up again;
Said briquetting (8) upper surface has groove, presses nail (9) lower surface to inlay in the groove;
Said coil (7) comprises high-tension coil (21), low-voltage coil (22) and electrostatic shielding (23), the coiling on same iron core of high-tension coil and low-voltage coil; Stay (25) is along axial setting unshakable in one's determination, and dovetail cushion block (24) is disposed radially, and dovetail cushion block one end and stay (25) are fitted;
Every phase coil two ends (22) up and down is the low-voltage coil part, and the centre is high-tension coil (a 21) part; Be provided with the little air flue that dovetail cushion block (24) is propped up between each line cake of high-tension coil (21) and between each line cake of low-voltage coil (22); Be provided with big airways between high-tension coil and the low-voltage coil; Big airways comprises first air flue and second largest air flue; Be provided with dovetail cushion block (24) between electrostatic shielding (23) and high-tension coil (21) and the low coil (22); Constitute between electrostatic shielding (23) and the high-tension coil (21) and constitute second largest air flue between first air flue, electrostatic shielding (23) and the low-voltage coil (22), the air flue direction is consistent with the erecting bed wind direction;
The first head of said A phase high-tension coil connects the tail head of binding post A and C phase high-tension coil; The first head of B phase high-tension coil connects the tail head of binding post B and A phase high-tension coil, and the first head of C phase high-tension coil connects the tail head of binding post C and B phase high-tension coil; Three binding posts of low-voltage coil connect the first head (a, b, c) of three low-voltage coils respectively, and total binding post (0) connects the tail head of three low-voltage coils.
2. according to the suspension type described in the claim 1 C level three dimensional wound core dry-type transformer is installed, it is characterized in that: three binding posts (31,32,33) on the high-tension coil and four binding posts (41,42,43,44) on the low-voltage coil are arranged in respectively on the lead frame (11) of transformer both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110114036 CN102290206B (en) | 2011-05-04 | 2011-05-04 | Suspension-mounted C-grade three-dimensional wound core dry type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110114036 CN102290206B (en) | 2011-05-04 | 2011-05-04 | Suspension-mounted C-grade three-dimensional wound core dry type transformer |
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| Publication Number | Publication Date |
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| CN102290206A CN102290206A (en) | 2011-12-21 |
| CN102290206B true CN102290206B (en) | 2012-11-21 |
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| CN 201110114036 Active CN102290206B (en) | 2011-05-04 | 2011-05-04 | Suspension-mounted C-grade three-dimensional wound core dry type transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9991042B2 (en) * | 2014-08-25 | 2018-06-05 | Haihong Electric Co., Ltd. | Fixing structure for upper pressing blocks of stereoscopic wound core open-ventilated dry-type transformer |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543381B (en) * | 2012-01-19 | 2014-08-13 | 北京新特电气有限公司 | Novel three-dimensional wound iron core transformer clamping part |
| CN104319083B (en) * | 2014-10-27 | 2016-08-24 | 海鸿电气有限公司 | A kind of 110kV above three dimensional wound core transformator compressing structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201196898Y (en) * | 2008-08-28 | 2009-02-18 | 广东海鸿变压器有限公司 | Stereo rolled core dry-type transformer clamping piece |
| CN201196899Y (en) * | 2008-08-28 | 2009-02-18 | 广东海鸿变压器有限公司 | C-level stereo rolled core dry-type transformer |
| CN201259817Y (en) * | 2009-01-20 | 2009-06-17 | 广东海鸿变压器有限公司 | Tridimensional rolling magnetic core resin insulation dry transformer |
| CN202076081U (en) * | 2011-05-04 | 2011-12-14 | 广东海鸿变压器有限公司 | C-stage stereoscopic dry type transformer installed in suspension type and provided with coiled iron core |
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2011
- 2011-05-04 CN CN 201110114036 patent/CN102290206B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9991042B2 (en) * | 2014-08-25 | 2018-06-05 | Haihong Electric Co., Ltd. | Fixing structure for upper pressing blocks of stereoscopic wound core open-ventilated dry-type transformer |
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| CN102290206A (en) | 2011-12-21 |
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Owner name: HAIHONG ELECTRIC CO., LTD. Free format text: FORMER NAME: GUANGDONG HAIHONG TRANSFORMER CO., LTD. |
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Address after: Huancui city of Kaiping West Tsui Lake District in Guangdong Province, Jiangmen City, No. 3, 529300 Patentee after: HAIHONG ELECTRIC CO., LTD. Address before: 138 No. 529321 Guangdong city of Jiangmen province Kaiping city Sha Gang Industrial Park Avenue Patentee before: Guangdong Haihong Transformer Co., Ltd. |
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Effective date of registration: 20150917 Address after: 529300 Guangdong city of Kaiping province Tsui Lake District No. 3 Huancui West Road, building 5, two Patentee after: GUANGDONG CHANGKAI ELECTRIC CO., LTD. Address before: Huancui city of Kaiping West Tsui Lake District in Guangdong Province, Jiangmen City, No. 3, 529300 Patentee before: HAIHONG ELECTRIC CO., LTD. |