CN105632725A - Transformer body insulating structure - Google Patents
Transformer body insulating structure Download PDFInfo
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- CN105632725A CN105632725A CN201410591999.1A CN201410591999A CN105632725A CN 105632725 A CN105632725 A CN 105632725A CN 201410591999 A CN201410591999 A CN 201410591999A CN 105632725 A CN105632725 A CN 105632725A
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Abstract
The invention provides a transformer body insulating structure. The transformer body insulating structure comprises an iron core, a low-voltage coil, a high-voltage coil and an insulating sleeve arranged between the low-voltage coil and the high-voltage coil, wherein the bottom end of the iron core is fixedly connected with a lower clamping plate; a lower insulating plate is arranged on the lower clamping plate; the top of the lower insulating plate is detachably provided with at least one layer of insulating cushion block; the insulating cushion block is cushioned under the low-voltage coil and the high-voltage coil; the top end of the iron core is fixedly connected with an upper clamping plate; an upper insulting plate is arranged below the upper clamping plate; the bottom face of the upper insulating plate is fixedly connected with an insulating positioning block; and the bottom face of the insulating positioning block is provided with a low-voltage clamping groove for clamping the low-voltage coil and a high-voltage clamping groove for clamping the high-voltage coil. The transformer body insulating structure can be suitable for transformers of different specifications by increasing and decreasing the quantity of the insulating cushion block on the lower insulating plate; the position of the insulating positioning block can be adjusted according to the transformers of different specifications, so that auxiliary positioning of the coils can be achieved; and the insulation cushion block is convenient to mount and demount.
Description
Technical field
The invention belongs to transformator accessory field, especially relate to the insulation system of a kind of transformator.
Background technology
The insulation of transformator is divided into interior insulation and external insulation, in prior art, external insulation is generally adopted the sleeve pipe each parts to ground connection and is coated with, realize exterior insulation, interior insulation adopts oil mostly, paper, the composite insulation structures such as carton ply of board, and the collets of one-time-concreting molding, insulation system and collets are placed in transformator to be needed between the parts insulated, to adapt to the effect of various voltage, ensure the consistent electric field in transformator, but, the structure of collets is single, transmutability is poor, the transformator of different size needs to use the collets of different model, add production cost, and installation procedure is complicated.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of transformer body insulation structure, adopts the version of combination, is applicable to the transformator of different model, and easy for installation.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of transformer body insulation structure, including ferrum core, low-voltage coil, high-tension coil and the insulating sleeve being placed between low-voltage coil and high-tension coil, the bottom of iron core is connected with lower plate, lower plate be provided above lower insulation plate, the top side detachable of lower insulation plate be provided with at least one of which cross-over block, cross-over block is padded on the bottom of low-voltage coil and high-tension coil, the top of iron core is connected with train wheel bridge, train wheel bridge be arranged below upper insulation plate, the bottom of upper insulation plate is connected with insulation locating piece, the bottom surface of insulation locating piece is provided with the low pressure draw-in groove of engaging low-voltage coil and the high pressure draw-in groove of engaging high-tension coil.
Wherein, lower insulation plate being provided with dovetail groove, the bottom of cross-over block is provided with the dovetail shaped projection coordinated with dovetail groove.
Further, the central shaft that the end face of cross-over block is provided with the dovetail groove coordinated with the dovetail shaped projection bottom it, the dovetail groove on cross-over block and dovetail shaped projection is positioned on same perpendicular.
Wherein, the middle part of lower insulation plate is provided with locating piece, the width of locating piece is equal to the distance between low-voltage coil and high-tension coil, the dovetail shaped matched with the dovetail groove on lower insulation plate it is set to bottom it, and can slide along dovetail groove, its top is provided with the clamping screw penetrating described locating piece straight down, and clamping screw is used for locking described locating piece.
Wherein, the bottom surface of upper collets being evenly equipped with multiple screwed hole, insulation locating piece is spirally connected with upper collets, the screwed hole that insulation locating piece can be spirally connected according to desired location selection.
Further, described upper insulation plate or described lower insulation plate are set to hollow out.
The present invention has the advantage that and has the benefit effect that
1, by increasing and decreasing the quantity of the cross-over block on lower insulation plate, it may be achieved being suitable for the transformator of different size, insulation effect is good, cross-over block is tight with the laminating of coil;
2, the insulation locating piece on upper insulation plate then can carry out position adjustments according to the transformator of different size, it is achieved the auxiliary positioning of coil;
3, the easy installation and removal of cross-over block, only need to change cross-over block, it is not necessary to change other insulating elements, economize on resources during maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention
Fig. 2 is the structural representation of lower insulation plate in the present invention
Fig. 3 is the attachment structure schematic diagram of lower insulation plate and cross-over block in the present invention
In figure: 1-iron core, 2-low-voltage coil, 3-high-tension coil, 4-insulating sleeve, 5-lower plate, 6-lower insulation plate, 7-cross-over block, 8-train wheel bridge, 9-upper insulation plate, 10-insulate locating piece, 11-low pressure draw-in groove, 12-high pressure draw-in groove, 13-dovetail groove, 14-dovetail shaped projection, 15-locating piece, 16-clamping screw, 17-screwed hole
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiments of the invention are elaborated.
As shown in Figure 1, this transformer body insulation structure, including iron core 1, low-voltage coil 2, high-tension coil 3 and the insulating sleeve 4 being placed between low-voltage coil 2 and high-tension coil 3, the bottom of iron core 1 is connected with lower plate 5, lower plate 5 be provided above lower insulation plate 6, the top side detachable of lower insulation plate 6 be provided with at least one of which cross-over block 7, cross-over block 7 is padded on low-voltage coil 2 and the bottom of high-tension coil 3, the top of iron core 1 is connected with train wheel bridge 8, train wheel bridge 8 be arranged below upper insulation plate 9, the bottom of upper insulation plate 9 is connected with insulation locating piece 10, the bottom surface of insulation locating piece 10 is provided with the low pressure draw-in groove 11 of engaging low-voltage coil and the high pressure draw-in groove 12 of engaging high-tension coil.
The upper insulation plate 9 at iron core 1 top and insulation locating piece 10 are for the insulation at iron core 1 top and coil top region, and insulation locating piece 10 is also by the low pressure draw-in groove 11 on its bottom surface and high pressure draw-in groove 12 auxiliary positioning low-voltage coil 2 and high-tension coil 3; Lower insulation plate 6 and cross-over block 7 bottom iron core 1 are then used for bottom iron core 1 and the insulation in coil bottom region, and least one layer of cross-over block 7 then ensure that this insulation system can be applicable to the transformator of different size, be namely suitable for the coil of differing heights by the quantity of increase and decrease cross-over block 7.
Wherein, cross-over block 7 and removably connecting of lower insulation plate 6 can have various structures form, if the increase and decrease of the cross-over block 7 realized on lower insulation plate 6, in one embodiment of the present of invention, being provided with dovetail groove 13 on lower insulation plate 6, the bottom of cross-over block 7 is provided with the dovetail shaped projection 14 coordinated with dovetail groove 13. So, when needing the quantity of increase and decrease cross-over block 7, only need to inwardly being slipped into from lower insulation plate 6 side along dovetail groove 13 by the dovetail shaped projection 14 bottom cross-over block 7, cross-over block 7 and lower insulation plate 6 after connection are tightly combined, Stability Analysis of Structures, and dismounting and change is convenient.
In order to ensure the compact siro spinning technology between multilayer insulation block, in one embodiment of the present of invention, being provided with the dovetail groove 13 coordinated with the dovetail shaped projection 14 bottom it on the end face of cross-over block 7, dovetail groove 13 and the central shaft of dovetail shaped projection 14 on cross-over block 7 are positioned on same perpendicular. So, can adopt be connected with cross-over block 7 the identical mode of lower insulation plate 6 carry out increase cross-over block 7.
In order to it being positioned after cross-over block 7 slips into lower insulation plate 6, in one embodiment of the present of invention, the middle part of lower insulation plate 6 is provided with locating piece 15, the width of locating piece 15 is equal to the distance between low-voltage coil 2 and high-tension coil 3, the dovetail shaped matched with the dovetail groove on lower insulation plate 6 it is set to bottom it, and can slide along dovetail groove 13, its top is provided with the clamping screw 16 penetrating described locating piece straight down, and clamping screw 16 is used for locking described locating piece 15. The position of locating piece 15 can be adjusted according to the transformator of different size, when the desired position is reached, is screwed down clamping screw 16, it is achieved the locking of locating piece 15. Locating piece 15 after locking plays the effect of restriction cross-over block 7 position, it is to avoid cross-over block 7 misplaces in installation process.
In order to be suitable for the location at different size transformer coil top, in one embodiment of the present of invention, being evenly equipped with multiple screwed hole 17 on the bottom surface of upper collets 9, insulation locating piece 10 is spirally connected with upper collets 9, the screwed hole 17 that insulation locating piece 10 can be spirally connected according to desired location selection. So, insulation locating piece 10 according to the transformator of different size, can select corresponding screwed hole 17 on upper insulation plate 9 to carry out being spirally connected fixing, thus realizing the precise positioning for different size transformator.
In order to alleviate the weight of insulation system, in one embodiment of the present of invention, described upper insulation plate 9 or described lower insulation plate 6 are set to hollow out.
Above one embodiment of the present of invention is described in detail, but described content has been only presently preferred embodiments of the present invention, it is impossible to be considered the practical range for limiting the present invention. All equalizations made according to the present patent application scope change and improvement etc., all should still belong within the patent covering scope of the present invention.
Claims (6)
1. a transformer body insulation structure, it is characterized in that: include iron core (1), low-voltage coil (2), high-tension coil (3) and the insulating sleeve (4) being placed between low-voltage coil (2) and high-tension coil (3), the bottom of iron core (1) is connected with lower plate (5), lower plate (5) be provided above lower insulation plate (6), the top side detachable of lower insulation plate (6) be provided with at least one of which cross-over block (7), cross-over block (7) is padded on low-voltage coil (2) and the bottom of high-tension coil (3), the top of iron core (1) is connected with train wheel bridge (8), train wheel bridge (8) be arranged below upper insulation plate (9), the bottom of upper insulation plate (9) is connected with insulation locating piece (10), the bottom surface of insulation locating piece (10) is provided with the low pressure draw-in groove (11) of engaging low-voltage coil (21) and the high pressure draw-in groove (12) of engaging high-tension coil (3).
2. transformer body insulation structure according to claim 1, it is characterized in that: be provided with dovetail groove (13) on lower insulation plate (6), the bottom of cross-over block (7) is provided with the dovetail shaped projection (14) coordinated with dovetail groove (13).
3. transformer body insulation structure according to claim 1, it is characterized in that: the central shaft being provided with the dovetail groove (13) coordinated with the dovetail shaped projection (14) bottom it, the dovetail groove (13) on cross-over block (7) and dovetail shaped projection (14) on the end face of cross-over block (7) is positioned on same perpendicular.
4. transformer body insulation structure according to claim 1, it is characterized in that: the middle part of lower insulation plate (6) is provided with locating piece (15), the width of locating piece (15) is equal to the distance between low-voltage coil (2) and high-tension coil (3), the dovetail shaped matched with the dovetail groove (13) on lower insulation plate (6) it is set to bottom it, and can slide along dovetail groove (13), its top is provided with the clamping screw (16) penetrating described locating piece (15) straight down, clamping screw (16) is used for locking described locating piece (15).
5. transformer body insulation structure according to claim 1, it is characterized in that: the bottom surface of upper collets (9) is evenly equipped with multiple screwed hole (17), insulation locating piece (10) and upper collets (9) are spirally connected, the screwed hole (17) that insulation locating piece (10) can be spirally connected according to desired location selection.
6. transformer body insulation structure according to claim 1, it is characterised in that: described upper insulation plate (9) or described lower insulation plate (6) are set to hollow out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591999.1A CN105632725A (en) | 2014-10-29 | 2014-10-29 | Transformer body insulating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591999.1A CN105632725A (en) | 2014-10-29 | 2014-10-29 | Transformer body insulating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105632725A true CN105632725A (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410591999.1A Pending CN105632725A (en) | 2014-10-29 | 2014-10-29 | Transformer body insulating structure |
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| CN (1) | CN105632725A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658113A (en) * | 2017-11-06 | 2018-02-02 | 国家电网公司 | Amorphous alloy transformer iron core assembling structure and its assembly method |
| CN108831721A (en) * | 2018-06-27 | 2018-11-16 | 阳光电源股份有限公司 | Transformer insulated component and transformer |
| CN112670043A (en) * | 2020-12-28 | 2021-04-16 | 金照辉 | Extra-high voltage transformer insulation compression ring and production process and production system thereof |
-
2014
- 2014-10-29 CN CN201410591999.1A patent/CN105632725A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658113A (en) * | 2017-11-06 | 2018-02-02 | 国家电网公司 | Amorphous alloy transformer iron core assembling structure and its assembly method |
| CN108831721A (en) * | 2018-06-27 | 2018-11-16 | 阳光电源股份有限公司 | Transformer insulated component and transformer |
| CN112670043A (en) * | 2020-12-28 | 2021-04-16 | 金照辉 | Extra-high voltage transformer insulation compression ring and production process and production system thereof |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20160601 |