CN110011288B - Electric power box insulator charge transfer anticorona device - Google Patents
Electric power box insulator charge transfer anticorona device Download PDFInfo
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- CN110011288B CN110011288B CN201910155312.2A CN201910155312A CN110011288B CN 110011288 B CN110011288 B CN 110011288B CN 201910155312 A CN201910155312 A CN 201910155312A CN 110011288 B CN110011288 B CN 110011288B
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- plate
- power box
- charge transfer
- insulator
- transfer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
Abstract
The invention relates to a charge transfer anticorona device for an insulator of a power box, which structurally comprises: the electric power box comprises an electric power box base, an electric power box, an inner box, a distributor, an insulating device and a box door, wherein the upper surface of the electric power box base is fixedly connected with the lower surface of the electric power box in a welding mode, the inner box is embedded and installed in the electric power box, the distributor is installed in the inner box, and in the long-term work of the insulator, the electric control magnetic field device is started to enable the charge transfer device to contract and stretch inwards, so that the charge transfer device at the tail end of the inner side of the charge transfer device is endowed with static electricity under the friction of the static electricity maker, the static charge or the non-flowing charge on the surface of the insulator is transferred when the charge transfer device contracts inwards, the electric field formed on the surface of the insulator by the charge is prevented from generating corona phenomenon, and the influence on.
Description
Technical Field
The invention discloses a charge transfer corona-proof device for an insulator of a power box, and relates to the field of power equipment.
Background
The power box insulator is used for supporting and fixing the bare current-carrying conductor and insulating the bare current-carrying conductor from the ground or insulating current-carrying conductors at different potentials in the device.
However, the insulator forms a layer of static or non-flowing charges on the surface layer during long-term operation, which has a certain attraction to the dirt such as floating dust in the air inside the power box, so that the dirt such as the floating dust is attached to the surface of the insulator to form a passage and form an electric field on the surface of the insulator, when the electric field strength exceeds the free strength of the air molecules, the air molecules near the surface of the insulator are dissociated into ions, visible purplish blue corona is formed in the air, and the electric field of the surrounding electrical components is disturbed in drainage, thereby causing possible failure of the electronic components inside the power box.
It is therefore desirable to provide a power box insulator charge transfer anticorona device.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a charge transfer corona-proof device for an insulator of a power box, which solves the problem that the insulator inside the power box has influence on surrounding electronic elements due to corona release.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a power box insulator charge transfer anticorona device which the structure includes: the power box comprises a power box base, a power box, an inner box, a distributor, an insulating device and a box door, wherein the upper surface of the power box base is fixedly connected with the lower surface of the power box in a welding mode, the inner box is embedded in the power box, the distributor is installed in the inner box and is connected with the insulating device, and the box door is rotatably connected with the positive surface of the power box.
As a preferable scheme of the present invention, the insulating device includes an insulator, a circuit line, a fixing case, an electrically controlled magnetic field device, a magnetic plate, a charge transfer device, and a compression ring, the upper and lower ends of the insulator are connected to the circuit line, the circuit line is embedded in the fixing case, the electrically controlled magnetic field device is embedded in the lower surface of the fixing case, the lower surface of the electrically controlled magnetic field device is attached to the upper surface of the magnetic plate, and the charge transfer device is attached to the upper and lower surfaces of the compression ring.
As a preferable scheme of the present invention, the charge transfer device includes a ring shell, a complex plate, a hydraulic chamber, a holder, an electrostatic maker, and a transfer device, the complex plate is disposed inside the ring shell, a head end of the complex plate is connected to the hydraulic chamber, the holder is embedded in an inner side surface of the ring shell, a tail end of the holder is connected to the electrostatic maker, and a tail end of the electrostatic maker is connected to a head end of the transfer device.
In a preferred embodiment of the present invention, the electrostatic generator includes a base plate and a rubber column, the rubber column is fitted into an inner surface of the base plate, and a distal end of the rubber column is attached to a surface of the transfer device.
The transfer device comprises a fixed cable and a transfer plate, wherein the fixed cable is nested with the transfer plate, and the transfer plate is connected with the inner side surface of the annular shell.
As a preferable scheme of the invention, the transfer plate comprises a plate body, a friction body, a load transfer body and a transfer point, wherein the friction body is embedded in the plate body, the right side surface of the friction body is fixedly connected with the load transfer body, and the transfer point is arranged at the tail end of the load transfer body.
In a preferred embodiment of the present invention, the electrically controlled magnetic field device is disposed inside the fixed housing of the insulating device, and the electrically controlled magnetic field device is energized to generate a magnetic force repelling the magnetic plate, so that the magnetic plate cooperates with the compression ring to compress the charge transfer device, thereby transferring charges on the surface layer of the insulator.
As a preferable scheme of the present invention, the charge transfer device is internally provided with a composite plate and a hydraulic cavity, the charge transfer device is compressed by the compression ring and the magnetic plate, and both sides of the charge transfer device are expanded to the side surface, so that the charge transfer of the insulator by the charge transfer device is promoted, and the composite plate is promoted to return to the original position by the rebound of the hydraulic cavity, so that the charge transfer device is changed to the original shape, and the charge is transferred away.
(III) advantageous effects
Compared with the prior art, the invention provides a charge transfer corona-proof device for an insulator of a power box, which has the following beneficial effects:
in the long-term work of the insulator, the electric control magnetic field device is started to enable the charge transfer device to contract and stretch inwards, the transfer device at the inner tail end of the charge transfer device is enabled to give static electricity under the friction of the static electricity maker, the static charge or the non-flowing charge on the surface of the insulator is transferred when the charge transfer device contracts inwards, the electric field formed by the charge on the surface of the insulator is avoided, the corona phenomenon is generated, and the influence on surrounding electronic elements when the insulator works is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a charge transfer corona-proof device for an insulator of a power box according to the present invention.
FIG. 2 is a cross-sectional view of an insulating device according to the present invention.
Fig. 3 is a cross-sectional view of a charge transfer device according to the present invention.
FIG. 4 is a cross-sectional view of an electrostatic fabricator according to the present invention.
Fig. 5 is a schematic structural diagram of a transfer device according to the present invention.
FIG. 6 is a cross-sectional view of a transfer plate according to the present invention.
Description of reference numerals: the electric power box comprises an electric power box base-1, an electric power box-2, an inner box-3, a distributor-4, an insulating device-5, a box door-6, an insulator-51, a circuit line-52, a fixed shell-53, an electric control magnetic field device-54, a magnetic plate-55, a charge transfer device-56, a compression ring-57, a ring shell-561, a replica plate-562, a hydraulic cavity-563, a fixer-564, an electrostatic maker-565, a transfer device-566, a base plate-5651, a rubber column-5652, a fixed rope-5661, a transfer plate-5662, a plate body-56621, a friction body-56622, a load transfer body-56623 and a transfer point-56624.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-6, the present invention provides a charge transfer corona-proof device for an insulator of a power box, which comprises: electric power box base 1, electric power box 2, inner box 3, distributor 4, insulator 5, chamber door 6, the upper surface of electric power box base 1 and the lower surface of electric power box 2 pass through welded mode fixed connection, inner box 3 is installed to the inside embedding of electric power box 2, distributor 4 has been installed to inner box 3's inside, distributor 4 is connected with insulator 5, chamber door 6 rotates with the positive surface of electric power box 2 and is connected.
The insulating device 5 comprises an insulator 51, a circuit line 52, a fixed shell 53, an electric control magnetic field device 54, a magnetic plate 55, a charge transfer device 56 and a compression ring 57, wherein the upper end and the lower end of the insulator 51 are connected with the circuit line 52, the circuit line 52 is embedded in the fixed shell 53, the electric control magnetic field device 54 is embedded in the lower surface of the fixed shell 53, the lower surface of the electric control magnetic field device 54 is attached to the upper surface of the magnetic plate 55, and the upper surface and the lower surface of the charge transfer device 56 are attached to the upper surface and the lower surface of the compression ring 57.
The charge transfer device 56 comprises a ring shell 561, a complex plate 562, a hydraulic cavity 563, a fixer 564, an electrostatic maker 565 and a transfer device 566, wherein the complex plate 562 is arranged inside the ring shell 561, the head end of the complex plate 562 is connected with the hydraulic cavity 563, the fixer 564 is embedded in the inner side surface of the ring shell 561, the tail end of the fixer 564 is connected with the electrostatic maker 565, and the tail end of the electrostatic maker 565 is connected with the head end of the transfer device 566.
The electrostatic maker 565 comprises a base plate 5651 and a rubber column 5652, wherein the inner side surface of the base plate 5651 is embedded and provided with the rubber column 5652, and the tail end of the rubber column 5652 is attached to the surface of the transfer device 566.
The transfer device 566 comprises a fixed rope 5661 and a transfer plate 5662, wherein the fixed rope 5661 is nested with the transfer plate 5662, and the transfer plate 5662 is connected with the inner side surface of the annular shell 561.
The transfer plate 5662 comprises a plate body 56621, a friction body 56622, a load transfer body 56623 and a transfer point 56624, wherein the friction body 56622 is embedded in the plate body 56621, the right side surface of the friction body 56622 is fixedly connected with the load transfer body 56623, and the transfer point 56624 is arranged at the tail end of the load transfer body 56623.
An electric control magnetic field device 54 is arranged inside a fixed shell 53 of the insulating device 5, the electric control magnetic field device 54 is electrified to generate magnetic force which is repellent to the magnetic force plate 55, and the magnetic force plate 55 is matched with a compression ring 57 to compress a charge transfer device 56, so that surface charges of the insulator 51 are transferred.
The compound plate 562 and the hydraulic cavity 563 are arranged inside the charge transfer device 56, the charge transfer device 56 is compressed through the compression ring 57 and the magnetic plate 55, two sides of the charge transfer device are expanded towards the side, so that the charge transfer of the insulator 51 by the transfer device 566 is pushed, and the compound plate 562 is pushed to return to the original position by the rebound of the hydraulic cavity 563, so that the charge transfer device 56 returns to the original position to transfer the charge.
The inner side surface of the static electricity maker 565 is provided with a rubber column 5652, and the rubber column 5652 rubs two sides of the surface of the transfer device 566 to generate an electrostatic field on the surface, so that when the insulator 51 is close to, the electric charge on the surface of the insulator 51 is pulled, and the phenomenon that the insulator 51 generates corona is prevented from influencing surrounding electric elements.
The tail end of the transfer plate 5662 is provided with a transfer point 56624, the transfer point 56624 is a conductor, charges on the surface of the insulator 51 are transferred by using the charge conservation law, and the charge transfer body 56623 is used for transferring the charges to discharge the charges, so that the charges are prevented from accumulating around the insulator 51 to generate an electric attraction phenomenon.
The working principle is as follows: when the insulating device 5 of the power box 2 is in operation, a layer of static or non-flowing charges is gradually formed on the surface of the insulator 51 along with the operation time;
the electric control magnetic field device 54 generates a magnetic force opposite to the magnetic force plate 55, so that the compression ring 57 is pressed to drive the charge transfer device 56 to contract, an air cavity in the charge transfer device 56 is extruded and deformed under the compression of the compression ring 57 to protrude towards two sides, the transfer device 566 on the inner ring side of the charge transfer device 56 is pushed to contract inwards, when the charge transfer device contracts, the rubber column 5652 on the inner side of the static electricity maker 565 and the friction body 56622 of the plate 56621 rub against the surface of the charge transfer device 56 to form a layer of static electric field, so that the static electric field generates attraction on the surface of the insulator 51, the charge transfer is performed by utilizing the law of charge conservation, the surface charge of the insulator 51 is transferred, the electric field formed by the dirt such as the floating dust attracted by the charge is avoided, the corona phenomenon is caused in the power box 2, and a safe working environment is provided for the electronic elements in the power box.
Has the advantages that: during the long-term operation of the insulator, the electric control magnetic field device 54 is started to enable the charge transfer device 56 to contract and stretch inwards, so that the transfer device 566 at the inner end of the charge transfer device 56 is enabled to apply static electricity under the friction of the static electricity maker 565, and when the electric control magnetic field device is contracted, static charges or charges which do not flow on the surface of the insulator 51 are transferred, the electric field formed by the charges on the surface of the insulator 51 is prevented from generating corona phenomenon, and the influence on surrounding electronic elements when the insulator 51 operates is reduced.
The specific embodiments described herein are merely illustrative of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims appended hereto.
Claims (4)
1. The utility model provides a power box insulator charge transfer anticorona device which the structure includes: electric power box base (1), electric power box (2), inner box (3), distributor (4), insulating device (5), chamber door (6), its characterized in that: the upper surface of the power box base (1) is fixedly connected with the lower surface of the power box (2) in a welding mode, an inner box (3) is embedded in the power box (2), a distributor (4) is arranged in the inner box (3), the distributor (4) is connected with an insulating device (5), and the box door (6) is rotatably connected with the front surface of the power box (2);
the insulation device (5) comprises an insulator (51), a circuit line (52), a fixed shell (53), an electric control magnetic field device (54), a magnetic plate (55), a charge transfer device (56) and a compression ring (57), wherein the upper end and the lower end of the insulator (51) are connected with the circuit line (52), the circuit line (52) is embedded and installed inside the fixed shell (53), the electric control magnetic field device (54) is embedded and installed on the lower surface of the fixed shell (53), the lower surface of the electric control magnetic field device (54) is attached to the upper surface of the magnetic plate (55), and the charge transfer device (56) is attached to the upper surface and the lower surface of the compression ring (57);
the charge transfer device (56) comprises a ring shell (561), a complex plate (562), a hydraulic cavity (563), a fixer (564), an electrostatic maker (565) and a transfer device (566), wherein the complex plate (562) is arranged inside the ring shell (561), the head end of the complex plate (562) is connected with the hydraulic cavity (563), the fixer (564) is embedded in the inner side surface of the ring shell (561), the tail end of the fixer (564) is connected with the electrostatic maker (565), and the tail end of the electrostatic maker (565) is connected with the head end of the transfer device (566).
2. The electric box insulator charge transfer corona prevention device of claim 1, wherein: the electrostatic maker (565) comprises a base plate (5651) and a rubber column (5652), wherein the rubber column (5652) is embedded and installed on the inner side surface of the base plate (5651), and the tail end of the rubber column (5652) is attached to the surface of the transfer device (566).
3. The electric box insulator charge transfer corona prevention device of claim 1, wherein: the transfer device (566) comprises a fixed cable (5661) and a transfer plate (5662), the fixed cable (5661) is nested with the transfer plate (5662), and the transfer plate (5662) is connected with the inner side face of the annular shell (561).
4. The electric box insulator charge transfer corona prevention device of claim 3, wherein: the transfer plate (5662) comprises a plate body (56621), a friction body (56622), a load transfer body (56623) and a transfer point (56624), wherein the friction body (56622) is embedded in the plate body (56621), the right side surface of the friction body (56622) is fixedly connected with the load transfer body (56623), and the transfer point (56624) is arranged at the tail end of the load transfer body (56623).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910155312.2A CN110011288B (en) | 2019-03-01 | 2019-03-01 | Electric power box insulator charge transfer anticorona device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910155312.2A CN110011288B (en) | 2019-03-01 | 2019-03-01 | Electric power box insulator charge transfer anticorona device |
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| Publication Number | Publication Date |
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| CN110011288A CN110011288A (en) | 2019-07-12 |
| CN110011288B true CN110011288B (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910155312.2A Active CN110011288B (en) | 2019-03-01 | 2019-03-01 | Electric power box insulator charge transfer anticorona device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5252418A (en) * | 1989-08-25 | 1993-10-12 | Hitachi, Ltd. | Electrophotographic photoreceptor with protruding inorganic insulator pieces and an electrophotographic apparatus utilizing the same |
| CN2613913Y (en) * | 2003-04-17 | 2004-04-28 | 魏绍德 | Moveable assembling distribution device |
| CN101651299A (en) * | 2009-08-13 | 2010-02-17 | 吴敏 | AC low-tension intelligent type comprehensive distribution box device for public transformer substation |
| CN102290712A (en) * | 2011-08-26 | 2011-12-21 | 上虞市电力公司 | String-hanging type low-voltage comprehensive distribution box |
| CN104376933A (en) * | 2014-11-11 | 2015-02-25 | 国家电网公司 | 800 kV direct-current insulator with optimized umbrella-shaped structure |
-
2019
- 2019-03-01 CN CN201910155312.2A patent/CN110011288B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5252418A (en) * | 1989-08-25 | 1993-10-12 | Hitachi, Ltd. | Electrophotographic photoreceptor with protruding inorganic insulator pieces and an electrophotographic apparatus utilizing the same |
| CN2613913Y (en) * | 2003-04-17 | 2004-04-28 | 魏绍德 | Moveable assembling distribution device |
| CN101651299A (en) * | 2009-08-13 | 2010-02-17 | 吴敏 | AC low-tension intelligent type comprehensive distribution box device for public transformer substation |
| CN102290712A (en) * | 2011-08-26 | 2011-12-21 | 上虞市电力公司 | String-hanging type low-voltage comprehensive distribution box |
| CN104376933A (en) * | 2014-11-11 | 2015-02-25 | 国家电网公司 | 800 kV direct-current insulator with optimized umbrella-shaped structure |
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| Publication number | Publication date |
|---|---|
| CN110011288A (en) | 2019-07-12 |
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Effective date of registration: 20201123 Address after: 472000 first floor, Huayang company, Sanmenxia Industrial Park, Sanmenxia City, Henan Province Applicant after: Datang Sanmenxia Electric Power Co.,Ltd. Address before: 518110 Guanqing Road, Guanlan High-tech Park, Guanlan Street, Longhua District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN NANMUJIA FURNITURE Co.,Ltd. |
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