阅读说明：本技术 一种变压器套管及其制作方法 (Transformer bushing and manufacturing method thereof ) 是由 张艺潇 安泽庆 于 2020-04-20 设计创作，主要内容包括：本发明公开了一种变压器套管及其制作方法,包括底座、瓷帽和耐高温管,所述底座外侧设置有螺纹,所述螺纹外侧设置有绝缘护壳,所述绝缘护壳上方设置有密封垫,所述密封垫上方设置有瓷套一。有益效果在于：本发明结构新颖,操作便捷,通过设置耐高温管,能够对套管内进行隔热,避免套管内温度过高造成烧裂,提高了变压器套管使用的效率,通过设置冷却油管,能够对变压器套管内进行冷却降温,避免变压器套管内温度过高造成套管导电性能下降,提高了变压器套管使用的寿命通过设置绝缘防护壳,能够对变压器套管底部进行防潮,避免变压器套管与变压器之间受潮造成短路烧损,满足变压器套管使用的需求。(The invention discloses a transformer bushing and a manufacturing method thereof. Has the advantages that: the transformer bushing heat-insulation device is novel in structure and convenient to operate, the heat-insulation pipe can insulate heat in the bushing, burning cracks caused by overhigh temperature in the bushing are avoided, the use efficiency of the transformer bushing is improved, the cooling oil pipe can cool the inside of the transformer bushing, the reduction of the conductivity of the bushing caused by overhigh temperature in the transformer bushing is avoided, the insulation protective shell is arranged, the bottom of the transformer bushing can be protected from moisture, short circuit burning loss caused by dampness between the transformer bushing and a transformer is avoided, and the use requirement of the transformer bushing is met.)

1. A transformer bushing, characterized by: comprises a base (1), a porcelain cap (9) and a high temperature resistant pipe (15), wherein a thread (2) is arranged on the outer side of the base (1), an insulating protective shell (3) is arranged on the outer side of the thread (2), a sealing gasket (4) is arranged above the insulating protective shell (3), a porcelain bushing I (5) is arranged above the sealing gasket (4), a porcelain bushing II (6) is arranged above the porcelain bushing I (5), a porcelain bushing III (7) is arranged above the porcelain bushing II (6), a dust ring (8) is arranged above the porcelain bushing III (7), the porcelain cap (9) is arranged above the dust ring (8), a wiring hole (10) is arranged on one side above the porcelain cap (9), a power connection bolt (11) is arranged on one side above the wiring hole (10), a wiring terminal (12) is arranged above the power connection bolt (11), a conductive rod (13) is connected below the wiring terminal (12), the utility model discloses a high-temperature-resistant electric heating wire, including conducting rod (13), insulating inner tube (14) are provided with in the conducting rod (13) outside, insulating inner tube (14) outside is provided with high temperature resistant pipe (15), high temperature resistant pipe (15) outside is provided with cooling oil pipe (16), cooling oil pipe (16) outside is provided with fire-resistant dope layer (17), fire-resistant dope layer (17) below is provided with housing bolt (18).

2. A transformer bushing according to claim 1, characterized in that: the thread (2) is formed on the base (1), and the insulating protective shell (3) is connected with the base (1) in a sliding mode.

3. A transformer bushing according to claim 1, characterized in that: the sealing gasket (4) is sleeved with the base (1), and the porcelain bushing I (5) is inserted into the base (1).

4. A transformer bushing according to claim 1, characterized in that: the second porcelain sleeve (6) is connected with the first porcelain sleeve (5) in an inserting mode, and the third porcelain sleeve (7) is connected with the second porcelain sleeve (6) in an inserting mode.

5. A transformer bushing according to claim 1, characterized in that: the dust ring (8) is sleeved with the third porcelain sleeve (7), and the porcelain cap (9) is inserted into the dust ring (8).

6. A transformer bushing according to claim 1, characterized in that: the wiring hole (10) is formed in the porcelain cap (9), the electric connection bolt (11) is connected with the wiring terminal (12) through the threads (2), and the wiring terminal (12) is connected with the insulating inner tube (14) in an inserting mode.

7. A transformer bushing according to claim 1, characterized in that: the conducting rod (13) is connected with the wiring terminal (12) through a screw, and the insulating inner tube (14) penetrates through the porcelain cap (9).

8. A transformer bushing according to claim 1, characterized in that: the high-temperature-resistant pipe (15) is sleeved with the insulating inner pipe (14), the cooling oil pipe (16) is sleeved with the high-temperature-resistant pipe (15), and the refractory coating layer (17) is bonded with the first porcelain sleeve (5), the second porcelain sleeve (6) and the third porcelain sleeve (7).

9. A transformer bushing according to claim 1, characterized in that: the cooling oil pipe (16) penetrates through the first porcelain bushing (5), the second porcelain bushing (6) and the third porcelain bushing (7), and the compression bolt (18) is connected with the conducting rod (13) through a screw.

10. A method for using a transformer bushing, applied to the transformer bushing of any one of claims 1 to 9, characterized in that: the base (1) of the transformer bushing is firmly fixed with the transformer through the thread (2), the compression bolt (18) is well connected with the output end of the transformer, the electric connection bolt (11) at the upper end of the transformer bushing is well connected with an output cable, the transformer is started, the voltage is transmitted through the conducting rod (13), the transformer bushing generates heat inside after long-time operation, the high temperature resistant tube (15) can avoid the burning loss of the transformer bushing caused by the overhigh internal temperature of the conducting rod (13), meanwhile, the cooling oil pipe (16) is used for cooling the transformer bushing, thereby avoiding the reduction of the service performance caused by overhigh temperature in the bushing, this transformer bushing simple operation, convenient to use not only can cool down to the intraductal cover, but also can prevent dust along with to the sleeve pipe, has improved the efficiency that transformer bushing used.

Technical Field

The invention relates to the technical field of transformer bushings, in particular to a transformer bushing and a manufacturing method thereof.

Background

The transformer bushing is a main insulation device outside the transformer box, and the outgoing lines of the transformer winding must penetrate through the insulation bushing to insulate the outgoing lines and the outgoing lines from the transformer shell, and meanwhile, the transformer bushing plays a role in fixing the outgoing lines.

At present, the simple structure is adopted to present transformer bushing, because the sleeve pipe moves for a long time, makes the high temperature in the sleeve pipe cause the fever to split easily, because lack the cooling part, makes the high temperature in the transformer bushing cause sleeve pipe electric conductive property to descend easily, secondly, because lack sealing member, makes easily to wet between transformer bushing and the transformer and causes the short circuit scaling loss, can not satisfy the demand that the transformer bushing used.

Disclosure of Invention

The present invention is directed to a transformer bushing and a method for manufacturing the same.

The invention realizes the purpose through the following technical scheme:

a transformer bushing comprises a base, a porcelain cap and a high-temperature resistant pipe, wherein threads are arranged on the outer side of the base, an insulating protective shell is arranged on the outer side of the threads, a sealing gasket is arranged above the insulating protective shell, a first porcelain sleeve is arranged above the sealing gasket, a second porcelain sleeve is arranged above the first porcelain sleeve, a third porcelain sleeve is arranged above the second porcelain sleeve, a dustproof ring is arranged above the third porcelain sleeve, the porcelain cap is arranged above the dustproof ring, a wiring hole is formed in one side above the porcelain cap, a power connection bolt is arranged on one side above the wiring hole, a wiring terminal is arranged above the power connection bolt, a conductive rod is connected below the wiring terminal, an insulating inner pipe is arranged on the outer side of the conductive rod, the high-temperature resistant pipe is arranged on the outer side of the insulating inner pipe, a cooling oil pipe is arranged on the outer side of the high-temperature resistant pipe, and a fireproof coating layer is arranged on the outer side of the cooling oil pipe, and a compression bolt is arranged below the fireproof coating layer.

Further, the screw thread is formed on the base, and the insulating protective shell is connected with the base in a sliding mode.

By adopting the technical scheme, the transformer bushing and the transformer can be more firmly fixed through the threads.

Furthermore, the sealing gasket is sleeved with the base, and the first porcelain bushing is inserted into the base.

By adopting the technical scheme, the sealing gasket can enable the base and the porcelain bushing to be tightly sealed, so that dust is prevented from entering.

Furthermore, the second porcelain bushing is connected with the first porcelain bushing in an inserting mode, and the third porcelain bushing is connected with the second porcelain bushing in an inserting mode.

By adopting the technical scheme, the first porcelain sleeve can enable the second porcelain sleeve to be firmly connected.

Furthermore, the dust ring is sleeved with the porcelain sleeve, and the porcelain cap is inserted into the dust ring.

By adopting the technical scheme, the dustproof ring can be used for preventing dust between the porcelain cap and the porcelain sleeve III.

Furthermore, the wiring hole is formed in the porcelain cap, the power connection bolt is connected with the wiring terminal through threads, and the wiring terminal is connected with the insulating inner tube in an inserting mode.

By adopting the technical scheme, the transformer bushing can be conveniently connected with the electricity through the electricity connecting bolt.

Furthermore, the conducting rod is connected with the wiring terminal through a screw, and the insulating inner tube penetrates through the porcelain cap.

By adopting the technical scheme, the transformer bushing can conduct electricity through the conducting rod.

Furthermore, the high-temperature-resistant pipe is sleeved with the insulating inner pipe, the cooling oil pipe is sleeved with the high-temperature-resistant pipe, and the refractory coating layer is bonded with the first porcelain sleeve, the second porcelain sleeve and the third porcelain sleeve.

By adopting the technical scheme, the high-temperature resistant pipe can prevent the sleeve of the transformer from cracking due to high temperature.

Furthermore, the cooling oil pipe penetrates through the first porcelain bushing, the second porcelain bushing and the third porcelain bushing, and the compression bolt is connected with the conducting rod through a screw.

By adopting the technical scheme, the cooling oil pipe can cool the interior of the transformer bushing, the conductive performance of the bushing is prevented from being reduced due to overhigh temperature in the transformer bushing, and the service life of the transformer bushing is prolonged.

The invention has the beneficial effects that:

1. in order to solve the problems that most of the existing transformer bushings adopt simple structures, and the bushing is easy to be burnt due to overhigh temperature in the bushing and the use efficiency of the transformer bushing is reduced because the bushing runs for a long time, the invention can insulate heat in the bushing by arranging the high-temperature resistant pipe, avoid burning due to overhigh temperature in the bushing and improve the use efficiency of the transformer bushing;

2. in order to solve the problems that the conductivity of the sleeve is reduced and the service life of the transformer sleeve is shortened due to the fact that the existing transformer sleeve lacks a cooling part and the temperature in the transformer sleeve is too high, the cooling oil pipe is arranged in the transformer sleeve to cool the transformer sleeve, so that the conductivity of the sleeve is prevented from being reduced due to the fact that the temperature in the transformer sleeve is too high, and the service life of the transformer sleeve is prolonged;

3. in order to solve the problems that the existing transformer bushing is mostly in a simple structure, and due to the lack of a sealing part, the transformer bushing and the transformer are easily affected with damp to cause short circuit burning loss, and the use requirement of the transformer bushing cannot be met.

Drawings

FIG. 1 is a schematic structural diagram of a transformer bushing according to the present invention;

FIG. 2 is a front cross-sectional view of a transformer bushing in accordance with the present invention;

FIG. 3 is a top view of a transformer bushing according to the present invention;

FIG. 4 is an enlarged view of a transformer bushing of the present invention at A;

fig. 5 is an enlarged view of the transformer bushing at B according to the invention.

The reference numerals are explained below:

1. a base; 2. a thread; 3. an insulating protective shell; 4. a gasket; 5. a first porcelain bushing; 6. a second porcelain bushing; 7. a third porcelain bushing; 8. a dust ring; 9. a porcelain cap; 10. a wiring hole; 11. connecting a power bolt; 12. a wiring terminal; 13. a conductive rod; 14. an insulated inner tube; 15. a high temperature resistant tube; 16. cooling the oil pipe; 17. a refractory coating layer; 18. and pressing the bolt.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-5, a transformer bushing comprises a base 1, a porcelain cap 9 and a high temperature resistant tube 15, wherein a thread 2 is arranged on the outer side of the base 1, an insulating protective shell 3 is arranged on the outer side of the thread 2, the bottom of the transformer bushing can be protected from moisture through the insulating protective shell 3, short circuit burning loss in the transformer caused by moisture between the transformer bushing and the transformer is avoided, a sealing gasket 4 is arranged above the insulating protective shell 3, a porcelain bushing one 5 is arranged above the sealing gasket 4, a porcelain bushing two 6 can be firmly connected through the porcelain bushing one 5, a porcelain bushing two 6 is arranged above the porcelain bushing one 5, a porcelain bushing three 7 is arranged above the porcelain bushing two 6, a dust-proof ring 8 is arranged above the porcelain bushing three 7, the porcelain cap 9 is arranged above the dust-proof ring 8, the transformer bushing can be protected through the porcelain cap 9, a wiring hole 10 is arranged on one side above the porcelain cap 9, wiring of the transformer bushing is convenient for wiring the transformer bushing through the wiring hole 10, an electric connecting bolt 11 is arranged on one side above the wiring hole 10, a wiring terminal 12 is arranged above the electric connecting bolt 11, the connection terminal 12 is convenient for electric transmission, the connection terminal 12 is an accessory product for realizing electric connection, the industry is divided into the category of connectors, a conductive rod 13 is connected below the connection terminal 12, the transformer bushing is conveniently conducted through the conducting rod 13, the insulating inner tube 14 is arranged outside the conducting rod 13, the transformer protective sleeve can be insulated by the insulating inner tube 14, the high temperature resistant tube 15 is arranged on the outer side of the insulating inner tube 14, the cooling oil tube 16 is arranged on the outer side of the high temperature resistant tube 15, the fireproof coating layer 17 is arranged on the outer side of the cooling oil tube 16, can avoid the too high fever of temperature to split in the transformer bushing through refractory coating 17, be provided with compression bolt 18 below the refractory coating 17 and conveniently connect the electricity through compression bolt.

In this embodiment, screw thread 2 is formed on base 1, and insulating protective housing 3 and base 1 sliding connection can make transformer bushing and transformer fixed more firmly through screw thread 2.

In this embodiment, sealed 4 cup joints with base 1, and insulator 5 is pegged graft with base 1, can make base 1 and insulator 5 sealed tight through sealed 4, avoids the dust to get into.

In this embodiment, the second porcelain bushing 6 is inserted into the first porcelain bushing 5, the third porcelain bushing 7 is inserted into the second porcelain bushing 6, and the second porcelain bushing 6 can be firmly connected through the first porcelain bushing 5.

In this embodiment, dust ring 8 cup joints with three 7 insulator, and ceramic cap 9 is pegged graft with dust ring 8, can prevent dust between ceramic cap 9 and three 7 insulators through dust ring 8.

In this embodiment, the wiring hole 10 is formed in the porcelain cap 9, the power connection bolt 11 is connected with the wiring terminal 12 through the thread 2, the wiring terminal 12 is connected with the insulating inner tube 14 in an inserting mode, and the transformer bushing can be conveniently connected with power through the power connection bolt 11.

In this embodiment, the conductive rod 13 is connected to the terminal 12 by a screw, the insulating inner tube 14 penetrates through the porcelain cap 9, and the transformer bushing is made conductive by the conductive rod 13.

In this embodiment, the high temperature resistant pipe 15 is sleeved with the inner insulating pipe 14, the cooling oil pipe 16 is sleeved with the high temperature resistant pipe 15, the refractory coating layer 17 is bonded with the first porcelain bushing 5, the second porcelain bushing 6 and the third porcelain bushing 7, and the high temperature resistant pipe 15 can prevent the casing of the transformer from being cracked due to high temperature.

In this embodiment, the cooling oil pipe 16 penetrates through the first porcelain bushing 5, the second porcelain bushing 6 and the third porcelain bushing 7, the compression bolt 18 is connected with the conducting rod 13 through the screw, and the cooling can be performed in the transformer bushing through the cooling oil pipe 16, so that the decrease of the conductivity of the bushing due to the overhigh temperature in the transformer bushing is avoided, and the service life of the transformer bushing is prolonged.

A use method of the transformer bushing comprises the following steps: pass through screw thread 2 with transformer bushing base 1, it is fixed firm with the transformer, compression bolt 18 with the output of transformer is connected, transformer bushing upper end connects electric bolt 11 good with the cable junction of output, start the transformer, carry the voltage through conducting rod 13, transformer bushing runs for a long time and uses inside to generate heat, avoid 13 inside high temperatures of conducting rod to cause transformer bushing to burn through high temperature resistant pipe 15, cool off through cooling oil pipe 16 to transformer bushing in simultaneously, avoid the bushing high temperature to cause performance to descend, this transformer bushing simple operation, high durability and convenient use, not only can cool off to the intraductal, and can also prevent dust along with to the sleeve pipe, the efficiency of transformer bushing use has been improved.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.