CN220041565U - Novel high-efficiency low-voltage sleeve - Google Patents

Novel high-efficiency low-voltage sleeve Download PDF

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Publication number
CN220041565U
CN220041565U CN202321420738.4U CN202321420738U CN220041565U CN 220041565 U CN220041565 U CN 220041565U CN 202321420738 U CN202321420738 U CN 202321420738U CN 220041565 U CN220041565 U CN 220041565U
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China
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fixedly arranged
bushing
layer
resistant layer
novel high
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CN202321420738.4U
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Chinese (zh)
Inventor
李振平
王阜怀
孙哲
宋志永
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Hebei Yachen Electric Co ltd
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Hebei Yachen Electric Co ltd
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Abstract

The utility model relates to the technical field of low-voltage transformer bushings and discloses a novel high-efficiency low-voltage bushing which comprises a main body mechanism, a connecting mechanism and a protection mechanism, wherein the connecting mechanism is positioned at the outer side of the main body mechanism, the protection mechanism is positioned in the connecting mechanism, the main body mechanism, a porcelain bushing, a bushing and a gas release bolt, the bushing is fixedly arranged in the porcelain bushing, and the gas release bolt is movably arranged at the upper end of the bushing. This novel high-efficient structured low-voltage sleeve pipe, sleeve pipe adopt novel current-carrying conductor (copper tube structure promptly) just can be used for saving material to the central part removal, reduce cost, new construction top has increased bleeder simultaneously, the inside oil outlet that has increased of conductor simultaneously, only need loosen the top gassing bolt just can discharge the gas that is detained in the conductor, also can discharge the gas in the cover in the vase, more convenient and fast can also reduce the sleeve pipe at the temperature rise of operation in-process simultaneously.

Description

Novel high-efficiency low-voltage sleeve
Technical Field
The utility model relates to the technical field of low-voltage transformer bushings, in particular to a novel high-efficiency low-voltage bushing.
Background
At present, the transformer bushing 35kV and below is mainly made of pure porcelain, wherein the main current-carrying conductor is mainly made of copper bars, the conventional bushing conductor is mainly made of copper bars, when alternating current or alternating electromagnetic field exists in the conductor, current distribution in the conductor is uneven, current is concentrated in a skin part of the conductor, that is to say, the current is concentrated in a thin layer on the surface of the conductor, the current density is larger the closer to the surface of the conductor, the current is actually smaller in the conductor, the efficiency of the conductor for transmitting current is reduced along with the increase of the working life of the transformer, and the temperature of the transformer is further abnormally increased, so that the loss power of the transformer is also increased.
Disclosure of Invention
(one) solving the technical problems
The utility model aims to provide a low-voltage sleeve with a novel high-efficiency structure, which aims to solve the problems that in the prior art, the efficiency of transmitting current by a conductor is reduced along with the increase of the working life of a transformer, the temperature of the transformer is abnormally increased, and the loss power of the transformer is increased.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel low pressure sleeve pipe of high-efficiency structure, includes main part mechanism, coupling mechanism and protection machanism, coupling mechanism is located the outside of main part mechanism, protection machanism is located coupling mechanism's inside, main part mechanism and insulator, sleeve pipe body and gassing bolt, sleeve pipe body fixed mounting is in the inside of insulator, gassing bolt movable mounting is in the upper end of sleeve pipe body, main part mechanism still includes oil outlet I, inlet port, baffle, oil outlet II and adjusting nut, oil outlet I is fixed to be set up in the middle part of sleeve pipe body right-hand member, the inlet port is located the below of oil outlet I, baffle fixed mounting is in the upper end of gassing bolt, oil outlet II is fixed to be set up in the lower extreme of gassing bolt, adjusting nut fixed mounting is in the upper end of baffle.
Preferably, the connecting mechanism comprises a rubber ring, a conductive joint, a connecting rod, a wiring board, a threading hole, a base, a protection block, a connecting hole, a sealing plug and a sealing ring, wherein the rubber ring is fixedly arranged at the upper end of the porcelain bushing, the conductive joint is connected with the porcelain bushing through the rubber ring, and good insulation and sealing performance inside the bushing body are ensured.
Preferably, the conductive joint fixed mounting is in the upper end of rubber ring, the upper end of the fixed conductive joint of connecting rod, wiring board fixed mounting is in the left end of conductive joint, sets up on the wiring board at the through wires hole convenient to use personnel connection outside electric wire, has improved this low pressure sheathed tube practicality.
Preferably, the threading hole is fixedly arranged in the middle of the wiring board, the base is fixedly arranged at the lower end of the porcelain bushing, the protection block is fixedly arranged at the upper end of the base, and the contact area of the low-voltage sleeve is conveniently increased and the stability of the low-voltage sleeve is increased through the arrangement of the base.
Preferably, the connecting hole is fixedly arranged in the middle of the base, the sealing plug is fixedly arranged at the upper end of the inside of the sleeve, the sealing ring is fixedly arranged at the upper end of the sealing plug, and the sealing performance of the low-voltage sleeve is improved through the arrangement of the sealing ring and the sealing plug.
Preferably, the protection mechanism comprises a first wear-resistant layer, a corrosion-resistant layer, a ventilation layer, a heat insulation layer, a heat preservation layer and a second wear-resistant layer, wherein the first wear-resistant layer is fixedly arranged in the porcelain bushing, the corrosion-resistant layer is fixedly arranged at the lower end of the first wear-resistant layer, the first wear-resistant layer increases the wear resistance of the outer end of the porcelain bushing, and the corrosion resistance of the porcelain bushing can be increased through the corrosion-resistant layer.
Preferably, the ventilation layer is fixedly arranged at the lower end of the corrosion-resistant layer, the heat insulation layer is fixedly arranged at the lower end of the ventilation layer, the heat insulation layer is fixedly arranged at the lower end of the heat insulation layer, the wear-resistant layer II is fixedly arranged at the lower end of the heat insulation layer, the heat insulation layer and the heat insulation layer can avoid normal use of the porcelain bushing in a low-temperature or high-temperature environment, the wear resistance inside the porcelain bushing is further improved through the wear-resistant layer II, and the service life of the porcelain bushing is prolonged.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the low-voltage sleeve with the novel high-efficiency structure, through the installation of the main body mechanism, the central part of the sleeve can be removed by adopting the novel current-carrying conductor (namely a copper pipe structure) so as to save materials, the cost is reduced, meanwhile, the air release device is additionally arranged at the top of the novel structure, meanwhile, the oil outlet is additionally arranged in the conductor, the gas retained in the conductor can be discharged only by loosening the top air release bolt, the gas in the sleeve of the porcelain bottle can also be discharged, the convenience and the rapidness are improved, and meanwhile, the temperature rise of the sleeve in the operation process can be reduced;
2. according to the low-voltage sleeve with the novel high-efficiency structure, the conductive connector is connected with the porcelain bushing through the rubber ring by installing the connecting mechanism, so that good insulativity and sealing performance of the inside of the sleeve are guaranteed, the external electric wire is connected with a threading hole for convenient use by a user through the wiring board, the practicability of the low-voltage sleeve is improved, and the sealing performance of the low-voltage sleeve is improved through the arrangement of the sealing ring and the sealing plug;
3. this novel high-efficiency structure's low-voltage bushing, through the installation to protection machanism, wearing layer one has increased the wear resistance of insulator outer end, can increase the corrosion resistance of insulator through corrosion-resistant layer, insulating layer and heat preservation, can avoid the insulator to normally use in low temperature or high temperature environment, has further increased the inside wear resistance of insulator through wearing layer two, has prolonged the life of insulator.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic cross-sectional view of a sleeve according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a gas release bolt of the present utility model;
FIG. 5 is a schematic view of the internal cross-sectional structure of the porcelain bushing of the present utility model;
fig. 6 is an enlarged schematic view of a part of the main body mechanism of the present utility model.
In the figure: 1. a main body mechanism; 101. a porcelain bushing; 102. a sleeve body; 103. a gas release bolt; 104. an oil outlet I; 105. an oil inlet hole; 106. a baffle; 107. an oil outlet II; 108. an adjusting nut; 2. a connecting mechanism; 201. a rubber ring; 202. a conductive contact; 203. a connecting rod; 204. a wiring board; 205. a threading hole; 206. a base; 207. a protective block; 208. a connection hole; 209. sealing the plugs; 210. a seal ring; 3. a protective mechanism; 301. a wear-resistant layer I; 302. a corrosion resistant layer; 303. a ventilation layer; 304. a thermal insulation layer; 305. a heat preservation layer; 306. and a wear-resistant layer II.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a novel low-voltage bushing of high-efficiency structure, including main body mechanism 1, coupling mechanism 2 and protection machanism 3, coupling mechanism 2 is located the outside of main body mechanism 1, protection machanism 3 is located the inside of coupling mechanism 2, main body mechanism 1 and insulator 101, sleeve pipe body 102 and gassing bolt 103, sleeve pipe body 102 fixed mounting is in the inside of insulator 101, gassing bolt 103 movable mounting is in the upper end of sleeve pipe body 102, main body mechanism 1 still includes oil outlet I104, oil inlet 105, baffle 106, oil outlet II 107 and adjusting nut 108, oil outlet I104 is fixed to be set up in the middle part of sleeve pipe body 102 right-hand member, oil inlet 105 is located the below of oil outlet I104, baffle 106 fixed mounting is in the upper end of gassing bolt 103, oil outlet II 107 is fixed to be set up in the lower extreme of gassing bolt 103, adjusting nut 108 fixed mounting is in the upper end of baffle 106.
The connecting mechanism 2 comprises a rubber ring 201, a conductive joint 202, a connecting rod 203, a wiring board 204, a threading hole 205, a base 206, a protection block 207, a connecting hole 208, a sealing plug 209 and a sealing ring 210, wherein the rubber ring 201 is fixedly arranged at the upper end of the porcelain bushing 101, the conductive joint 202 is fixedly arranged at the upper end of the rubber ring 201, the connecting rod 203 is fixedly arranged at the upper end of the conductive joint 202, the wiring board 204 is fixedly arranged at the left end of the conductive joint 202, the threading hole 205 is fixedly arranged at the middle part of the wiring board 204, the base 206 is fixedly arranged at the lower end of the porcelain bushing 101, the protection block 207 is fixedly arranged at the upper end of the base 206, the connecting hole 208 is fixedly arranged at the middle part of the base 206, the sealing plug 209 is fixedly arranged at the upper end of the inside of the bushing body 102, the sealing ring 210 is fixedly arranged at the upper end of the sealing plug 209, the novel high-efficiency structure low-voltage bushing changes the internal structure of a current-carrying conductor, and the bushing body 102 of a rated current 2000A adopts the original conductorThe temperature rise of the sleeve body 102 gradually increases with the increase of the operation time; the sleeve body 102 adopts a novel current-carrying conductor, namely a copper pipe structure, so that the central part can be removed to save materials, the cost is reduced, meanwhile, a gas discharging device is additionally arranged at the top of the novel structure, meanwhile, an oil outlet I104 is additionally arranged in the conductor, and gas retained in the conductor can be discharged only by loosening a top gas discharging bolt 103, and the gas in the porcelain bottle can be discharged, so that the sleeve is more convenient and quick, and meanwhile, the temperature rise of the sleeve in the operation process can be reduced.
The protection mechanism 3 comprises a first wear-resistant layer 301, a corrosion-resistant layer 302, a ventilation layer 303, a heat-insulating layer 304, a heat-insulating layer 305 and a second wear-resistant layer 306, wherein the first wear-resistant layer 301 is fixedly arranged in the porcelain bushing 101, the corrosion-resistant layer 302 is fixedly arranged at the lower end of the first wear-resistant layer 301, the ventilation layer 303 is fixedly arranged at the lower end of the corrosion-resistant layer 302, the heat-insulating layer 304 is fixedly arranged at the lower end of the ventilation layer 303, the heat-insulating layer 305 is fixedly arranged at the lower end of the heat-insulating layer 304, and the second wear-resistant layer 306 is fixedly arranged at the lower end of the heat-insulating layer 305. The first wear-resistant layer 301 increases the wear resistance of the outer end of the porcelain bushing 101, the corrosion resistance of the porcelain bushing 101 can be increased through the corrosion-resistant layer 302, the heat insulation layer 304 and the heat preservation layer 305 can prevent the porcelain bushing 101 from being normally used in a low-temperature or high-temperature environment, the wear resistance of the inner part of the porcelain bushing 101 is further increased through the second wear-resistant layer 306, and the service life of the porcelain bushing 101 is prolonged.
Working principle: when the high-efficiency low-voltage bushing is used at first, the low-voltage bushing with the novel high-efficiency structure changes the internal structure of the original current-carrying conductor, and the bushing body 102 conductor with the rated current of 2000A adoptsThe temperature rise of the sleeve body 102 gradually increases with the increase of the operation time; the sleeve body 102 adopts a novel current-carrying conductor, namely a copper pipe structure, so that the central part can be removed to save materials, the cost is reduced, meanwhile, a gas discharging device is additionally arranged at the top of the novel structure, meanwhile, a first oil outlet 104 is additionally arranged in the conductor, gas retained in the conductor can be discharged only by loosening a top gas discharging bolt 103, gas in a porcelain bottle can also be discharged, the sleeve is more convenient and quick, meanwhile, the temperature rise of the sleeve in the operation process can be reduced, the wear resistance of the outer end of the porcelain sleeve 101 is increased by the first wear-resisting layer 301, the corrosion resistance of the porcelain sleeve 101 can be increased by the corrosion-resisting layer 302, the normal use of the porcelain sleeve 101 in a low-temperature or high-temperature environment can be avoided by the heat-insulating layer 304 and the heat-insulating layer 305, the wear resistance of the interior of the porcelain sleeve 101 is further increased by the second wear-resisting layer 306, and the service life of the porcelain sleeve 101 is prolonged.
Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims (7)

1. The utility model provides a novel low-voltage bushing of high-efficiency structure, includes main part mechanism (1), coupling mechanism (2) and protection machanism (3), its characterized in that: the connecting mechanism (2) is positioned at the outer side of the main body mechanism (1), the protection mechanism (3) is positioned in the connecting mechanism (2), the main body mechanism (1), the porcelain bushing (101), the sleeve body (102) and the air release bolt (103), the sleeve body (102) is fixedly arranged in the porcelain bushing (101), and the air release bolt (103) is movably arranged at the upper end of the sleeve body (102);
the main body mechanism (1) further comprises an oil outlet I (104), an oil inlet (105), a baffle (106), an oil outlet II (107) and an adjusting nut (108), wherein the oil outlet I (104) is fixedly arranged in the middle of the right end of the sleeve body (102), the oil inlet (105) is located below the oil outlet I (104), the baffle (106) is fixedly arranged at the upper end of the air release bolt (103), the oil outlet II (107) is fixedly arranged at the lower end of the air release bolt (103), and the adjusting nut (108) is fixedly arranged at the upper end of the baffle (106).
2. The low voltage bushing of a novel high performance construction of claim 1 wherein: coupling mechanism (2) are including rubber ring (201), conductive connection (202), connecting rod (203), wiring board (204), through wires hole (205), base (206), protection piece (207), connecting hole (208), sealed end cap (209) and sealing washer (210), rubber ring (201) fixed mounting is in the upper end of insulator (101).
3. The low voltage bushing of a novel high performance construction of claim 2 wherein: the conductive joint (202) is fixedly arranged at the upper end of the rubber ring (201), the connecting rod (203) is fixedly arranged at the upper end of the conductive joint (202), and the wiring board (204) is fixedly arranged at the left end of the conductive joint (202).
4. A novel high performance structured low voltage bushing as claimed in claim 3 wherein: the threading hole (205) is fixedly arranged in the middle of the wiring board (204), the base (206) is fixedly arranged at the lower end of the porcelain bushing (101), and the protection block (207) is fixedly arranged at the upper end of the base (206).
5. The novel high-performance structured low-voltage bushing of claim 4, wherein: the connecting hole (208) is fixedly arranged in the middle of the base (206), the sealing plug (209) is fixedly arranged at the upper end of the inside of the sleeve body (102), and the sealing ring (210) is fixedly arranged at the upper end of the sealing plug (209).
6. The novel high-performance structured low-voltage bushing of claim 5, wherein: the protection mechanism (3) comprises a first wear-resistant layer (301), a corrosion-resistant layer (302), a ventilation layer (303), a heat insulation layer (304), a heat preservation layer (305) and a second wear-resistant layer (306), wherein the first wear-resistant layer (301) is fixedly arranged in the porcelain bushing (101), and the corrosion-resistant layer (302) is fixedly arranged at the lower end of the first wear-resistant layer (301).
7. The novel high-performance structured low-voltage bushing of claim 6, wherein: the breathable layer (303) is fixedly arranged at the lower end of the corrosion-resistant layer (302), the heat insulation layer (304) is fixedly arranged at the lower end of the breathable layer (303), the heat insulation layer (305) is fixedly arranged at the lower end of the heat insulation layer (304), and the wear-resistant layer II (306) is fixedly arranged at the lower end of the heat insulation layer (305).
CN202321420738.4U 2023-06-06 2023-06-06 Novel high-efficiency low-voltage sleeve Active CN220041565U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321420738.4U CN220041565U (en) 2023-06-06 2023-06-06 Novel high-efficiency low-voltage sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321420738.4U CN220041565U (en) 2023-06-06 2023-06-06 Novel high-efficiency low-voltage sleeve

Publications (1)

Publication Number Publication Date
CN220041565U true CN220041565U (en) 2023-11-17

Family

ID=88736411

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321420738.4U Active CN220041565U (en) 2023-06-06 2023-06-06 Novel high-efficiency low-voltage sleeve

Country Status (1)

Country Link
CN (1) CN220041565U (en)

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