CN205159059U - Dry -type electrical transformer solenoid with silicon rubber insulation packing and solidification - Google Patents
Dry -type electrical transformer solenoid with silicon rubber insulation packing and solidification Download PDFInfo
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- CN205159059U CN205159059U CN201520936228.1U CN201520936228U CN205159059U CN 205159059 U CN205159059 U CN 205159059U CN 201520936228 U CN201520936228 U CN 201520936228U CN 205159059 U CN205159059 U CN 205159059U
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Abstract
The utility model relates to a dry -type electrical transformer solenoid with silicon rubber insulation packing and solidification, include the wire group that becomes by a plurality of cake formula conductor layer coincide, the solenoid body is the integral type structure by liquid silicon rubber pouring back curing molding, wire group sets up in the solenoid body, has improved the temperature resistant characteristic of transformer, just can accomplish C level more than and generally speaking, and special circumstances can do higher temperature resistant grade, and the mechanical internal stress in the time of adapting to long -time running in -process temperature and change repeatedly in standard range changes, and messenger solenoid electric insulation performance and mechanical strength are not influenced.
Description
Technical field
The utility model relates to field of power transformer manufacture, is specifically related to a kind of dry-type power transformer line bag.
Background technology
Existing dry-type power transformer high-voltage line bag mainly uses epoxy resin to insulate, fills and curing molding, and its main object is electric insulation, heat conduction and heat radiation and guarantee mechanical strength, has fire-retardant and against natural aging characteristics.
This technology is being used widely at present; but insulation level, temperature-resistance characteristic, heat-transfer character etc. are all subject to the restriction of material behavior, usually can only accomplish F level, most as many as H level but cost is very high; therefore to do resistance at higher temperature, more energy-conservation dry-type transformer, need to update on the insulating material; In addition, epoxide resin material is rigidity too, from different expansion material in conjunction with time easy to crack, keep good electrical insulation properties under being unfavorable for the prolonged and repeated change of external environmental condition.
Summary of the invention
Technical problem to be solved in the utility model makees dry-type power transformer line bag insulator with silastic material, to improve the temperature-resistance characteristic of transformer, generally just can accomplish C level and more than, special circumstances can do higher temperature resistant grade, and mechanical internal stress change when can adapt to that in During Process of Long-term Operation, temperature repeatedly changes in critical field, make line bag electrical insulation properties and mechanical strength all unaffected.
For solving the problems of the technologies described above, the technical solution of the utility model is:
The dry-type power transformer line bag that silicon rubber insulation is filled and solidified, comprises line bag body and some wire groups, and described line bag body pours into a mould the shaping integral structure of Post RDBMS by liquid silastic, and described wire group is arranged in online bag body.
The dry-type power transformer line bag that above-mentioned a kind of silicon rubber insulation is filled and solidified, wherein, described line bag body is loop configuration, the cross sectional shape of line bag body is circle, rectangle or ellipse, wire group comprises multiple cake formula conductor layer, described cake formula conductor layer is formed by wire coiling, and the cross sectional shape of described wire is circle, rectangle, ellipse, triangle, regular polygon or trapezoidal, and described wire is coated with insulating barrier.
The dry-type power transformer line bag that above-mentioned a kind of silicon rubber insulation is filled and solidified, wherein, the cake formula conductor layer of described wire group is formed by the wire single or multiple lift coiling of insulating wrapped.
The dry-type power transformer line bag that above-mentioned a kind of silicon rubber insulation is filled and solidified, wherein, the cake formula conductor layer of described wire group distributes from vertical direction, and the wire of adjacent two cake formula conductor layers joins end to end and connects, superimposed setting.
The beneficial effects of the utility model are:
The utility model adopt silicon rubber insulating material that alternate collar epoxy resins is used as the insulation of power transformer line bag, filling and curing molding, then except electrical insulation properties better except, to the advantage that the temperature-resistance characteristic improving transformer has it natural, generally just can accomplish C level and more than, special circumstances can do higher temperature resistant grade.
Silastic material all has certain elasticity and tensile strength when different hardness, can adapt to mechanical internal stress change when temperature repeatedly changes in critical field in During Process of Long-term Operation, make line bag electrical insulation properties and mechanical strength all unaffected.
The utility model can make that current dry-type power transformer electric insulation capacity is stronger, heat conduction and heat radiation performance better, temperature resistant grade reaches higher standard, improves the mechanical performance of line bag.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the utility model embodiment one.
Fig. 2 is the cutaway view of the utility model embodiment two.
Embodiment
Embodiment one
A kind of dry-type power transformer line bag as shown in Figure 1, comprise line bag body 1 and some wire groups 2, described line bag body 1 pours into a mould the shaping integral structure of Post RDBMS by liquid silastic, described wire group 2 arranges in online bag body 1, described line bag body 1 is loop configuration, the cross sectional shape of line bag body 1 is rectangular, wire group 2 comprises multiple cake formula conductor layer 3, described cake formula conductor layer 3 is formed by wire 4 coiling, the cross sectional shape of described wire 4 is circular, described wire 4 outer cladding one layer insulating 5, described insulating barrier 5 take insulating varnish as material, the cake formula conductor layer 3 of described wire group distributes from vertical direction, the conductor layer 4 of adjacent two cake formula conductor layers 3 is superimposed with each other setting.
Embodiment two
A kind of dry-type power transformer line bag as shown in Figure 2, comprise line bag body 1 and some wire groups 2, described line bag body 1 pours into a mould the shaping integral structure of Post RDBMS by liquid silastic, described wire group 2 arranges in online bag body 1, described line bag body 1 is loop configuration, the cross sectional shape of line bag body 1 is rectangle, wire group 2 comprises multiple cake formula conductor layer 3, described cake formula conductor layer 3 is formed by wire 4 coiling, the cross sectional shape of described wire 4 is octagon, the octagon that described wire 4 cross section is is with fillet, described wire 4 outer cladding one layer insulating 5, described insulating barrier 5 take insulating varnish as material, the cake formula conductor layer 3 of described wire group distributes from vertical direction, the wire 4 of adjacent two cake formula conductor layers 3 is crisscross arranged.
Toughness protective layer 6 is provided with between described two adjacent wire groups 2; the flanging 7 that described toughness protective layer 6 is equilateral triangle structure by several joins end to end and forms; the length of side L1 of described flanging 7 is equal with the outer diameter D 1 of wire 4; toughness protective layer is set in this line bag; well serve cushioning effect; effectively can prevent the distortion caused because of pressure, ensure that electrical property, safe and reliable.
As embodiment one and two kinds of dry-type power transformer line bags shown in embodiment two, wire in its cake formula conductor layer adopts the neat winding of dislocation winding and the superimposed setting be crisscross arranged, the winding specifically taked determines according to the cross sectional shape of wire, spacing between cake formula conductor layer and cake formula conductor layer is specifically arranged according to the insulating requirements of line bag, make penetrate into fluid silicone rubber between wire, and make the insulating wrapped of silicon rubber close contact wire, or penetrate into coated insulating material and closely contact with plain conductor.
After designing wire group structure, according to the shape designed, insulation thickness and outlet method and terminal, design and process corresponding casting mold container, manufactured annular cylinder wire group is put into mould container and had good positioning, liquid silastic cast is entered mould container, make in the gap between liquid silastic infiltration wire and coated insulating material, fill mould container, vacuum defoamation measure is taked to make cast closely knit, be cured according to the curing process of selected materials, finally demould is shaping.
The utility model adopt silicon rubber insulating material that alternate collar epoxy resins is used as the insulation of power transformer line bag, filling and curing molding, then except electrical insulation properties better except, to the advantage that the temperature-resistance characteristic improving transformer has it natural, generally just can accomplish C level and more than, special circumstances can accomplish higher temperature resistant grade.
More valuable is, silastic material all has certain elasticity and tensile strength when different hardness high rigidity, mechanical internal stress change when temperature repeatedly changes in critical field in During Process of Long-term Operation can be adapted to, make line bag electrical insulation properties and mechanical strength all unaffected.
The utility model can make that current dry-type power transformer electric insulation capacity is stronger, heat conduction and heat radiation performance better, temperature resistant grade reaches higher standard, improves the mechanical performance of line bag.
The wire group that the utility model adopts and silicon rubber integration curing molding, both ensure that electrical insulation capability and the heat dispersion of transformer wire bag, too increased the mechanical stability of transformer wire bag entirety, more safe and reliable.
Here description of the present utility model and application is illustrative; not want by scope restriction of the present utility model in the above-described embodiments; therefore, the utility model is not by the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (4)
1. the dry-type power transformer line bag of filling with silicon rubber insulation and solidifying, it is characterized by, comprise line bag body and some wire groups, described line bag body pours into a mould the shaping integral structure of Post RDBMS by liquid silastic, and described wire group is arranged in online bag body.
2. the dry-type power transformer line bag of a kind of silicon rubber insulation filling and solidification as claimed in claim 1, it is characterized by, described line bag body is loop configuration, the cross sectional shape of line bag body is circle, rectangle or ellipse, wire group comprises multiple cake formula conductor layer, described cake formula conductor layer is formed by wire coiling, and the cross sectional shape of described wire is circle, rectangle, ellipse, triangle, regular polygon or trapezoidal, and described wire is coated with insulating barrier.
3. the dry-type power transformer line bag of a kind of silicon rubber insulation filling and solidification as claimed in claim 1, it is characterized by, the cake formula conductor layer of described wire group is formed by the wire single or multiple lift coiling of insulating wrapped.
4. the dry-type power transformer line bag of a kind of silicon rubber insulation filling and solidification as claimed in claim 1, it is characterized by, the cake formula conductor layer of described wire group distributes from vertical direction, and the wire of adjacent two cake formula conductor layers joins end to end and connects, superimposed setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520936228.1U CN205159059U (en) | 2015-11-23 | 2015-11-23 | Dry -type electrical transformer solenoid with silicon rubber insulation packing and solidification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520936228.1U CN205159059U (en) | 2015-11-23 | 2015-11-23 | Dry -type electrical transformer solenoid with silicon rubber insulation packing and solidification |
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| Publication Number | Publication Date |
|---|---|
| CN205159059U true CN205159059U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520936228.1U Active CN205159059U (en) | 2015-11-23 | 2015-11-23 | Dry -type electrical transformer solenoid with silicon rubber insulation packing and solidification |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113012926A (en) * | 2021-02-18 | 2021-06-22 | 江苏大航有能输配电有限公司 | Method for removing residual gas of encapsulated insulated winding |
| CN114724845A (en) * | 2022-04-26 | 2022-07-08 | 悉瑞绿色电气(苏州)有限公司 | Rigid constraint method for flexible insulating material pouring transformer winding tap terminal |
-
2015
- 2015-11-23 CN CN201520936228.1U patent/CN205159059U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113012926A (en) * | 2021-02-18 | 2021-06-22 | 江苏大航有能输配电有限公司 | Method for removing residual gas of encapsulated insulated winding |
| CN113012926B (en) * | 2021-02-18 | 2022-09-02 | 悉瑞绿色电气(苏州)有限公司 | Method for removing residual gas of encapsulated insulated winding |
| CN114724845A (en) * | 2022-04-26 | 2022-07-08 | 悉瑞绿色电气(苏州)有限公司 | Rigid constraint method for flexible insulating material pouring transformer winding tap terminal |
| CN114724845B (en) * | 2022-04-26 | 2023-11-28 | 悉瑞绿色电气(苏州)有限公司 | Rigid constraint method for flexible insulating material casting transformer winding tap terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181017 Address after: 212211 No. 1 Nan Zi Road, Yangzhong science and Technology Park, Zhenjiang, Jiangsu Patentee after: Jiangsu Da Hang energy transmission and Distribution Co., Ltd. Address before: 212000 7, Tonggang Road, Dagang, Zhenjiang, Jiangsu Co-patentee before: Wang Yuelin Patentee before: Wu Jian Co-patentee before: Liu Ziming |
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| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 215127 unit 201, property building, No. 8, phase II, Zhongxin science and technology industrial building, No. 1, Kezhi Road, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee after: Sirui green electric (Suzhou) Co.,Ltd. Address before: 212211 No. 1 Nan Zi Road, Yangzhong science and Technology Park, Zhenjiang, Jiangsu Patentee before: JIANGSU DAHANG YOUNENG POWER TRANSMISSION AND DISTRIBUTION Co.,Ltd. |
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| CP03 | Change of name, title or address |