CN201196899Y - C-level stereo rolled core dry-type transformer - Google Patents
C-level stereo rolled core dry-type transformer Download PDFInfo
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- CN201196899Y CN201196899Y CNU2008201892947U CN200820189294U CN201196899Y CN 201196899 Y CN201196899 Y CN 201196899Y CN U2008201892947 U CNU2008201892947 U CN U2008201892947U CN 200820189294 U CN200820189294 U CN 200820189294U CN 201196899 Y CN201196899 Y CN 201196899Y
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Abstract
The utility model discloses a C-level three-dimensional wound core dry transformer, which belongs to the technical field of an electric device. The C-level three-dimensional wound core dry transformer comprises an upper clamping piece (1) and a lower clamping piece which is arranged on a pedestal, wherein a magnet core (8) and a coil (10) which winds upwards around the magnet core are arranged between the upper clamping piece and the lower clamping piece; the upper clamping piece and the lower clamping piece are welded by steels and are generally triangular frames; the upper clamping piece is connected with the lower clamping piece through at least three compression screws (3); insides of the upper clamping piece and the lower clamping piece are correspondingly provided with triangular positioning racks (4) various edges of which are in parallel to edges of the frames; outsides of the edges of the frames of the upper clamping piece and the lower clamping piece are correspondingly provided with pressure plates (5); yokes (11) on both ends of a three-dimensional wound core (8) are arranged between the positioning racks (4) and the triangular frames; and the upper end and the lower end of the coil (10) are respectively pressed and fixed by the pressure plates (5) on the upper clamping piece (1) and the lower clamping piece (2).
Description
Technical field
The utility model belongs to the technical field of power equipment, specifically is meant a kind of C level three dimensional wound core dry-type transformer.
Background technology
The former laminated core of dry-type transformer in the market, traditional channel-section steel formula folder, device body compressing structure, lead-in wire connected mode and coil paint-dipping process etc. can not satisfy every performance requirement.The curing of the three dimensional wound core of existing conventional, be on core limb, to buckle colligation to fix with packing adhesive tape and packing, this method can not effectively be solidified iron core, can cause iron core in assembling, transportation, running, to be out of shape, influence the electromagnetic performance of lamination, thus influence no-load performance and noise level unshakable in one's determination.Traditional plane formula is unshakable in one's determination uses folder, can not play effective supporting and protective effect to iron core, and can not suppress noise and vibrate in folder.When conventional planar is arranged the connecting method of lead-in wire exist the wiring complexity, in disorder, problem such as big takes up room.Traditional continuous winding, arranging of air flue do not meet temperature distributing rule, satisfying under the equal temperature rise requirement, caused the waste of material.
The utility model content
The purpose of this utility model is: the C level three dimensional wound core dry-type transformer that a kind of thermal endurance class height that insulate, energy-saving and environmental protection, practicality are provided.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: C level three dimensional wound core dry-type transformer, comprise upper clamping piece and the lower clamping piece that is located on the base, be provided with iron core and the coil on the core limb between upper clamping piece and the lower clamping piece, it is characterized in that: described upper clamping piece and lower clamping piece are roughly triangular framing by what steel were welded into, described upper clamping piece is connected by at least three clamping screws with lower clamping piece, described upper clamping piece is provided with each limit leg-of-mutton locating rack parallel with the leg of frame relatively with lower clamping piece inside, the outside of the leg of frame of upper clamping piece and lower clamping piece is provided with pressing plate accordingly, the iron yoke at three dimensional wound core two ends is located between locating rack and the triangular framing, and the two ends up and down of coil are fixed by the pressing plate on upper clamping piece and the lower clamping piece respectively.
The three dimensional wound core that the utility model adopted, after assembly unit and annealing, three-phase magnetic circuit is symmetry fully, and magnetic resistance reduces greatly, and exciting curent, no-load loss significantly reduce.Upper and lower folder is integral type, protects whole iron core not to be subjected to external force in manufacturing, transportation, installation process, and can effectively compress and support coil, anti-axial electrodynamic ability when having improved the transformer sudden short circuit.The folder of formed steel construction has effectively suppressed the vibration of noise in folder, makes noise of transformer remain on perfect condition.Device body assembling back integral body can be through VPI vacuum pressed equipment dipping lacquer, and through hot setting, strengthens the anti-short circuit capability of transformer.
The utility model is except that having advantages such as conventional dry-type transformer safety, environmental protection, overload capacity are strong, and main material also has insulation thermal endurance class height (C level), and no-load loss, exciting curent are little, and noise is low, and volume is little, and is in light weight, characteristics such as good looking appearance.
Description of drawings
Fig. 1 is the stereogram of C level three dimensional wound core dry-type transformer;
Fig. 2 is the upper clamping piece of C level three dimensional wound core dry-type transformer and the stereogram of upper clamping piece;
Fig. 3 is the stereogram of the iron core of C level three dimensional wound core dry-type transformer;
Fig. 4 is the phantom that is used for the iron core of dry-type transformer;
Fig. 5 is the phantom that is used for the iron core of oily formula transformer;
Fig. 6 is the stereogram of the coil of C level three dimensional wound core dry-type transformer.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail, but does not constitute any restriction of the present utility model.
As depicted in figs. 1 and 2, C level three dimensional wound core dry-type transformer described in the utility model, comprise C level three dimensional wound core dry-type transformer, comprise upper clamping piece 1 and the lower clamping piece 2 that is located on the base, be provided with unshakable in one's determination 8 and the coil 10 on the core limb between upper clamping piece 1 and the lower clamping piece 2, described upper clamping piece 1 and lower clamping piece 2 are roughly triangular framing by what steel were welded into, described upper clamping piece 1 is connected by at least three clamping screws 3 with lower clamping piece 2, and described upper clamping piece is provided with each limit leg-of-mutton locating rack 4 parallel with the leg of frame relatively with lower clamping piece inside.The outside of the leg of frame of upper clamping piece 1 and lower clamping piece 2 is provided with pressing plate 5 accordingly, on the pressing plate 5 briquetting can be set.The iron yoke 11 at three dimensional wound core 8 two ends is located between locating rack 4 and the triangular framing, and the two ends up and down of coil 11 are fixed by the pressing plate 5 on upper clamping piece 1 and the lower clamping piece 2 respectively.But correspondence is provided with the hole that the tight screw rod 3 of voltage supply passes on described upper clamping piece 1 and the lower clamping piece 2, be bolted with clamp nut 7 on the clamping screw 3 in the outside, hole, turn clamp nut 7 and upper clamping piece 1 and lower clamping piece 2 can be made closely, the briquetting on the pressing plate 5 can clamp coil 10.Upper clamping piece 1 and lower clamping piece 2 supporting and protecting iron core effectively make it not be subjected to external force, also can evenly compress coil, and as the skeleton of whole transformer, parts such as supporting lead-in wire and nameplate, thermostat.The utility model guarantees that the good electromagnetic performance in volume annealing unshakable in one's determination back is not destroyed, anti-axial electrodynamic ability when having improved the transformer sudden short circuit, reduced no-load loss, effectively suppressed the vibration of noise in folder, made noise of transformer remain on desirable level.
Extremely shown in Figure 5 as Fig. 3, described unshakable in one's determination 8 are assemblied to form by three single frames unshakable in one's determination, the outer surface of single frame unshakable in one's determination scribbles liquid curing material layer 12, the iron yoke 11 of single frame unshakable in one's determination is by plastic adhesive tape 13 and 14 colligations of heat-shrinkage material binding strap, the adjacent core limb 15 of each single frame unshakable in one's determination by plastic adhesive tape 13 with the heat-shrinkage material binding strap 14 colligations be in the same place, scribble liquid curing material layer 12 at heat-shrinkage material binding strap 14 outer surfaces.Scribble the liquid curing material layer on each assembly unit contact-making surface of described single frame unshakable in one's determination, also be provided with insulating paper on the contact-making surface.The curing operation unshakable in one's determination of this structure is simple, cost is low, solidification effect good, can guarantee that iron core is indeformable in assembling, transportation and running, thereby reduce no-load loss unshakable in one's determination and noise.In addition, the liquid curing material has curing and antirust double effects.
As shown in Figure 1, described coil 10 is by A, B, the C three-phase is formed around the coil on the core limb 15, each phase coil is made up of high-tension coil and low-voltage coil respectively, three binding posts 21 of high-tension coil, 22,23 and four binding posts 31 of low-voltage coil, 32,33,34 arrange respectively on the installing rack 9 of upper clamping piece 1 of the opposite side be located at transformer, wherein the first head of A phase high-tension coil connects the tail head of binding post 21 and C phase high-tension coil, the first head of B phase high-tension coil connects the tail head of binding post 22 and A phase high-tension coil, and the first head of C phase high-tension coil connects the tail head of binding post 23 and B phase high-tension coil; Three binding posts 31,32,33 of low-voltage coil connect the first head of three low-voltage coils respectively, and binding post 34 connects the tail head of three low-voltage coils.B phase high-voltage tap line 17 outlet surface of position are to high- voltage connection terminal 21,22,23 outlet sides, and A, C phase high-voltage tap line 17 outlet surface of position are to low- voltage wiring terminal 31,32,33,34 outlet sides.Wherein the first circle double as transition of two-phase high-tension coil lead-in wire causes on the binding post of the same side high pressure three phase terminals, and low-voltage lead causes on the binding post of opposite side of high-voltage connection terminal.High-voltage tap line 17 goes out line position can make things convenient for wiring towards the outlet side of high- voltage connection terminal 21,22,23 outlet sides and binding post 31,32,33,34 respectively.The utility model is suitable for the three dimensional wound core transformer lead and connects, and is particularly suitable for the connection of three dimensional wound core dry-type transformer pin configuration, and is simple in structure, practical and attractive, meets the tradition power supply custom is installed, the convenient installation.
As shown in Figure 6, it is main insulating material that described coil 10 can adopt the C class F insulating material F, main position insulation thermal endurance class reaches the C level, coil 10 is provided with successional air flue 16, and the air flue 16 of the coil first half is a big airways, and the air flue 16 of coil Lower Half is little air flue, this kind air flue is arranged and is met the transformer temperature distributing rule, can make the coil better heat-radiation effect under the equal conditions and reduce the coil windings size, reaches the purpose of saving material.
Claims (6)
1. C level three dimensional wound core dry-type transformer, comprise upper clamping piece (1) and be located at lower clamping piece (2) on the base, be provided with iron core (8) and the coil (10) on the core limb between upper clamping piece (1) and the lower clamping piece (2), it is characterized in that: described upper clamping piece (1) and lower clamping piece (2) are roughly triangular framing by what steel were welded into, described upper clamping piece (1) is connected by at least three clamping screws (3) with lower clamping piece (2), described upper clamping piece is provided with each limit leg-of-mutton locating rack (4) parallel with the leg of frame relatively with lower clamping piece inside, the outside of the leg of frame of upper clamping piece (1) and lower clamping piece (2) is provided with pressing plate (5) accordingly, the iron yoke (11) at three dimensional wound core (8) two ends is located between locating rack (4) and the triangular framing, and the two ends up and down of coil (11) are fixed by the pressing plate (5) on upper clamping piece (1) and the lower clamping piece (2) respectively.
2. according to the described C level of claim 1 three dimensional wound core dry-type transformer, it is characterized in that: described upper clamping piece (1) and lower clamping piece (2) but go up correspondence and be provided with the hole that the tight screw rod of voltage supply (3) passes, be bolted with clamp nut (7) on the clamping screw (3) in the outside, hole.
3. according to the described C level of claim 1 three dimensional wound core dry-type transformer, it is characterized in that: described iron core (8) is assemblied to form by three single frames unshakable in one's determination, the outer surface of single frame unshakable in one's determination scribbles liquid curing material layer (12), the iron yoke (11) of single frame unshakable in one's determination is by plastic adhesive tape (13) and heat-shrinkage material binding strap (14) colligation, the adjacent core limb (15) of each single frame unshakable in one's determination scribbles liquid curing material layer (12) at heat-shrinkage material binding strap (14) outer surface by plastic adhesive tape (13) and heat-shrinkage material binding strap (14) colligation together.
4. according to the described C level of claim 3 three dimensional wound core dry-type transformer, it is characterized in that: scribble the liquid curing material layer on each assembly unit contact-making surface of described single frame unshakable in one's determination, also be provided with insulating paper on the contact-making surface.
5. according to each described C level three dimensional wound core dry-type transformer in the claim 1 to 4, it is characterized in that: described coil (10) is by A, B, the C three-phase is formed around the coil on the core limb (15), each phase coil is made up of high-tension coil and low-voltage coil respectively, three binding posts (21 of high-tension coil, 22,23) and four binding posts (31 of low-voltage coil, 32,33,34) arrange respectively on the installing rack (9) of upper clamping piece (1) of the opposite side be located at transformer, wherein the first head of A phase high-tension coil connects the tail head of binding post (21) and C phase high-tension coil, the first head of B phase high-tension coil connects the tail head of binding post (22) and A phase high-tension coil, and the first head of C phase high-tension coil connects the tail head of binding post (23) and B phase high-tension coil; Three binding posts (31,32,33) of low-voltage coil connect the first head of three low-voltage coils respectively, binding post (34) connects the tail head of three low-voltage coils, B phase high-voltage tap line (17) outlet surface of position is to high-voltage connection terminal (21,22,23) outlet side, and A, C phase high-voltage tap line (17) outlet surface of position are to low-voltage wiring terminal (31,32,33,34) outlet side.
6. according to each described C level three dimensional wound core dry-type transformer in the claim 1 to 4, it is characterized in that: described coil (10) is provided with successional air flue (16), the air flue of the coil first half (16) is a big airways, and the air flue of coil Lower Half (16) is little air flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201892947U CN201196899Y (en) | 2008-08-28 | 2008-08-28 | C-level stereo rolled core dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201892947U CN201196899Y (en) | 2008-08-28 | 2008-08-28 | C-level stereo rolled core dry-type transformer |
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| Publication Number | Publication Date |
|---|---|
| CN201196899Y true CN201196899Y (en) | 2009-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201892947U Expired - Lifetime CN201196899Y (en) | 2008-08-28 | 2008-08-28 | C-level stereo rolled core dry-type transformer |
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|---|---|
| CN (1) | CN201196899Y (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102163494A (en) * | 2011-01-30 | 2011-08-24 | 山东辉煌电力设备制造有限公司 | Three-dimensional reel iron core 20kV dry type wind power transformer |
| CN102290205A (en) * | 2011-05-04 | 2011-12-21 | 广东海鸿变压器有限公司 | Suspended C-grade three-dimensional wound core dry type transformer clamp |
| CN102290218A (en) * | 2011-05-04 | 2011-12-21 | 广东海鸿变压器有限公司 | Resin insulated dual-voltage three-dimensional wound core dry-type transformer |
| CN102290211A (en) * | 2011-05-04 | 2011-12-21 | 广东海鸿变压器有限公司 | High-voltage left incoming line structure of three-dimensional wound core dry-type transformer |
| CN102290206A (en) * | 2011-05-04 | 2011-12-21 | 广东海鸿变压器有限公司 | Suspension-mounted C-grade three-dimensional wound core dry type transformer |
| CN102290210A (en) * | 2011-05-04 | 2011-12-21 | 广东海鸿变压器有限公司 | Lead structure of suspended C-level three-dimensional wound core dry-type transformer |
| CN102290212A (en) * | 2011-05-04 | 2011-12-21 | 广东海鸿变压器有限公司 | High-voltage right incoming line structure of three-dimensional wound core dry-type transformer |
| CN102360827A (en) * | 2011-07-28 | 2012-02-22 | 苏州鼎能电力设备有限公司 | Device for pressing transformer body |
| CN102543405A (en) * | 2011-12-26 | 2012-07-04 | 安徽建筑工业学院 | Novel explosion-proof triangular arrangement toroidal transformer |
| WO2012163035A1 (en) * | 2011-05-27 | 2012-12-06 | 广东海鸿变压器有限公司 | Non-sealed three-dimensional wound core amorphous metal dry-type transformer |
| CN102881413A (en) * | 2012-08-30 | 2013-01-16 | 万达集团股份有限公司 | Dry-type transformer with three-dimensional core |
| CN104103406A (en) * | 2014-07-29 | 2014-10-15 | 上海华力电控设备有限公司 | Three-phase dry-type transformed |
| CN104376983A (en) * | 2014-11-25 | 2015-02-25 | 正泰电气股份有限公司 | Three-phase three-dimensional type energy-saving type transformer core |
| CN104517707A (en) * | 2013-09-27 | 2015-04-15 | 上海中申电力电源制造有限公司 | Magnetic balance laminated triangular transformer |
| CN105679508A (en) * | 2016-03-25 | 2016-06-15 | 人民电器集团江苏斯诺成套设备工程有限公司 | Stable structure for transformer |
| CN105679509A (en) * | 2016-03-25 | 2016-06-15 | 人民电器集团江苏斯诺成套设备工程有限公司 | Transformer |
| CN114141519A (en) * | 2021-11-15 | 2022-03-04 | 保定天威集团特变电气有限公司 | A compact structure for article shape reactor |
-
2008
- 2008-08-28 CN CNU2008201892947U patent/CN201196899Y/en not_active Expired - Lifetime
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102163494A (en) * | 2011-01-30 | 2011-08-24 | 山东辉煌电力设备制造有限公司 | Three-dimensional reel iron core 20kV dry type wind power transformer |
| CN102290205A (en) * | 2011-05-04 | 2011-12-21 | 广东海鸿变压器有限公司 | Suspended C-grade three-dimensional wound core dry type transformer clamp |
| CN102290218A (en) * | 2011-05-04 | 2011-12-21 | 广东海鸿变压器有限公司 | Resin insulated dual-voltage three-dimensional wound core dry-type transformer |
| CN102290211A (en) * | 2011-05-04 | 2011-12-21 | 广东海鸿变压器有限公司 | High-voltage left incoming line structure of three-dimensional wound core dry-type transformer |
| CN102290206A (en) * | 2011-05-04 | 2011-12-21 | 广东海鸿变压器有限公司 | Suspension-mounted C-grade three-dimensional wound core dry type transformer |
| CN102290210A (en) * | 2011-05-04 | 2011-12-21 | 广东海鸿变压器有限公司 | Lead structure of suspended C-level three-dimensional wound core dry-type transformer |
| CN102290212A (en) * | 2011-05-04 | 2011-12-21 | 广东海鸿变压器有限公司 | High-voltage right incoming line structure of three-dimensional wound core dry-type transformer |
| US8659382B2 (en) | 2011-05-27 | 2014-02-25 | Guangdong Haihong Co., Ltd. | Non-encapsulated-winding stereo wound-core dry-type amorphous alloy transformer |
| WO2012163035A1 (en) * | 2011-05-27 | 2012-12-06 | 广东海鸿变压器有限公司 | Non-sealed three-dimensional wound core amorphous metal dry-type transformer |
| CN102360827A (en) * | 2011-07-28 | 2012-02-22 | 苏州鼎能电力设备有限公司 | Device for pressing transformer body |
| CN102543405A (en) * | 2011-12-26 | 2012-07-04 | 安徽建筑工业学院 | Novel explosion-proof triangular arrangement toroidal transformer |
| CN102881413A (en) * | 2012-08-30 | 2013-01-16 | 万达集团股份有限公司 | Dry-type transformer with three-dimensional core |
| CN104517707A (en) * | 2013-09-27 | 2015-04-15 | 上海中申电力电源制造有限公司 | Magnetic balance laminated triangular transformer |
| CN104103406A (en) * | 2014-07-29 | 2014-10-15 | 上海华力电控设备有限公司 | Three-phase dry-type transformed |
| CN104376983A (en) * | 2014-11-25 | 2015-02-25 | 正泰电气股份有限公司 | Three-phase three-dimensional type energy-saving type transformer core |
| CN105679508A (en) * | 2016-03-25 | 2016-06-15 | 人民电器集团江苏斯诺成套设备工程有限公司 | Stable structure for transformer |
| CN105679509A (en) * | 2016-03-25 | 2016-06-15 | 人民电器集团江苏斯诺成套设备工程有限公司 | Transformer |
| CN105679509B (en) * | 2016-03-25 | 2017-12-26 | 人民电器集团江苏斯诺成套设备工程有限公司 | Transformer |
| CN114141519A (en) * | 2021-11-15 | 2022-03-04 | 保定天威集团特变电气有限公司 | A compact structure for article shape reactor |
| CN114141519B (en) * | 2021-11-15 | 2023-07-14 | 保定天威集团特变电气有限公司 | Pressing structure for article-shaped reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HAIHONG ELECTRIC CO., LTD. Free format text: FORMER NAME: GUANGDONG HAIHONG TRANSFORMER CO., LTD. |
|
| CP03 | Change of name, title or address |
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. 529328 Guangdong province Kaiping city Sha Gang Industrial Park Avenue Patentee before: Guangdong Haihong Transformer Co., Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG CHANGKAI ELECTRIC CO., LTD. Free format text: FORMER OWNER: HAIHONG ELECTRIC CO., LTD. Effective date: 20150902 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150902 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. |
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| CX01 | Expiry of patent term |
Granted publication date: 20090218 |
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| CX01 | Expiry of patent term |