CN111030007A - High-voltage bushing for 35KV transmission - Google Patents
High-voltage bushing for 35KV transmission Download PDFInfo
- Publication number
- CN111030007A CN111030007A CN201911324349.XA CN201911324349A CN111030007A CN 111030007 A CN111030007 A CN 111030007A CN 201911324349 A CN201911324349 A CN 201911324349A CN 111030007 A CN111030007 A CN 111030007A
- Authority
- CN
- China
- Prior art keywords
- shielding cylinder
- connecting flange
- central conductor
- potential connecting
- bushing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0018—Casings with provisions to reduce aperture leakages in walls, e.g. terminals, connectors, cables
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/005—Casings being nesting containers
Abstract
The invention relates to the technical field of high-voltage transmission, in particular to a high-voltage bushing for 35KV transmission, which comprises a bushing body and a central conductor, wherein one end of the bushing body is provided with a high-potential connecting flange, the other end of the bushing body is provided with a low-potential connecting flange, the central conductor is arranged inside the bushing body, the high-voltage bushing also comprises a first shielding cylinder and a second shielding cylinder, the first shielding cylinder is sleeved outside the central conductor, and the second shielding cylinder is sleeved outside the first shielding cylinder. The central conductor in the sleeve body is completely positioned inside the first shielding cylinder, the first shielding cylinder is completely positioned inside the second shielding cylinder, the first shielding cylinder and the second shielding cylinder form two layers of radiation protection layers, the radiation protection effect of the high-voltage bushing can be remarkably improved, the influence of the high-voltage central conductor on the health of an electric operator is reduced, and the first shielding cylinder and the second shielding cylinder are simple in structure, convenient to install and beneficial to popularization.
Description
Technical Field
The invention relates to the technical field of high-voltage transmission, in particular to a high-voltage bushing for 35KV transmission.
Background
Because the loss of high-voltage transmission electric energy is small, the high-voltage transmission is basically adopted for the transmission of the electric energy in China. At present, during 35KV high-voltage transmission, when a current-carrying conductor needs to pass through a metal box shell or a wall with a different potential, a high-voltage bushing needs to be used, the existing high-voltage bushing comprises a bushing body and a central conductor, one end of the bushing body is provided with a high-potential connecting flange, the other end of the bushing body is provided with a low-potential connecting flange, the central conductor is arranged inside the bushing body, one end of the central conductor is connected with the high-potential connecting flange, the other end of the central conductor passes through the low-potential connecting flange, the central conductor has a high voltage of 35KV and can emit radiation harmful to a human body, although the bushing body has a certain radiation protection function, the effect is not good.
Disclosure of Invention
The invention aims to solve the technical problem of providing a high-voltage bushing for 35KV transmission, which has a simple structure and a good radiation protection effect.
The high-voltage bushing for 35KV transmission comprises a bushing body and a central conductor, wherein one end of the bushing body is provided with a high-potential connecting flange, the other end of the bushing body is provided with a low-potential connecting flange, the central conductor is arranged inside the bushing body, one end of the central conductor is connected with the high-potential connecting flange, the other end of the central conductor penetrates through the low-potential connecting flange, the high-voltage bushing also comprises a first shielding cylinder and a second shielding cylinder, the first shielding cylinder is sleeved outside the central conductor, the second shielding cylinder is sleeved outside the first shielding cylinder, the first shielding cylinder and the second shielding cylinder are both arranged inside the bushing body, one end of the first shielding cylinder is connected with the high-potential connecting flange, and the other end of the first shielding cylinder is connected with the low-potential connecting flange;
one end of the second shielding cylinder is connected with the high potential connecting flange, and the other end of the second shielding cylinder is connected with the low potential connecting flange.
Further, the sleeve body is in a hollow cylindrical shape.
Further, the first shielding cylinder has a hollow cylindrical shape, and the center conductor is located at the center of the first shielding cylinder.
Further, the second shielding cylinder is in a hollow cylindrical shape, and the first shielding cylinder is positioned in the middle of the second shielding cylinder.
Furthermore, one end of the central conductor is connected with the high-potential connecting flange through a bolt.
Furthermore, one end of the first shielding cylinder is connected with the high potential connecting flange through a bolt, and the other end of the first shielding cylinder is connected with the low potential connecting flange through a bolt.
Furthermore, one end of the second shielding cylinder is connected with the high potential connecting flange through a bolt, and the other end of the second shielding cylinder is connected with the low potential connecting flange through a bolt.
The invention has the beneficial effects that: the first shielding cylinder is sleeved outside the central conductor, the second shielding cylinder is sleeved outside the first shielding cylinder, the first shielding cylinder and the second shielding cylinder are both arranged inside the sleeve body, one end of the first shielding cylinder is connected with the high-potential connecting flange, and the other end of the first shielding cylinder is connected with the low-potential connecting flange; one end of the second shielding cylinder is connected with the high-potential connecting flange, and the other end of the second shielding cylinder is connected with the low-potential connecting flange; the central conductor in the sleeve body is completely positioned inside the first shielding cylinder, the first shielding cylinder is completely positioned inside the second shielding cylinder, the first shielding cylinder and the second shielding cylinder form two layers of radiation protection layers, the radiation protection effect of the high-voltage bushing can be remarkably improved, the influence of the high-voltage central conductor on the health of an electric operator is reduced, and the first shielding cylinder and the second shielding cylinder are simple in structure, convenient to install and beneficial to popularization.
Drawings
FIG. 1 is a schematic structural view of the present invention;
parts, positions and numbers in the drawings: the cable comprises a sleeve body 1, a central conductor 2, a high potential connecting flange 3, a low potential connecting flange 4, a first shielding cylinder 5 and a second shielding cylinder 6.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, the high-voltage bushing for 35KV transmission of the invention comprises a bushing body 1 and a central conductor 2, wherein one end of the bushing body 1 is provided with a high-potential connecting flange 3, and the other end is provided with a low-potential connecting flange 4, the central conductor 2 is arranged inside the bushing body 1, one end of the central conductor 2 is connected with the high-potential connecting flange 3, and the other end passes through the low-potential connecting flange 4, and the high-voltage bushing further comprises a first shielding cylinder 5 and a second shielding cylinder 6, wherein the first shielding cylinder 5 is sleeved outside the central conductor 2, the second shielding cylinder 6 is sleeved outside the first shielding cylinder 5, both the first shielding cylinder 5 and the second shielding cylinder 6 are arranged inside the bushing body 1, one end of the first shielding cylinder 5 is connected with the high-potential connecting flange 3, and the other end is connected with the low; one end of the second shielding cylinder 6 is connected with the high potential connecting flange 3, and the other end is connected with the low potential connecting flange 4.
The first shielding cylinder 5 and the second shielding cylinder 6 are made of materials with radiation protection. According to the invention, the central conductor 2 in the sleeve body 1 is completely positioned in the first shielding cylinder 5, the first shielding cylinder 5 is completely positioned in the second shielding cylinder 6, and the first shielding cylinder 5 and the second shielding cylinder 6 form two layers of radiation protection layers, so that the radiation protection effect of the high-voltage bushing can be obviously improved, the influence of the high-voltage central conductor 2 on the body health of an electric operator can be reduced, and the first shielding cylinder 5 and the second shielding cylinder 6 are simple in structure, convenient to install and beneficial to popularization.
Specifically, in order to facilitate the installation of the central conductor 2, the first shielding cylinder 5, and the second shielding cylinder 6 inside the jacket body 1, the jacket body 1 is preferably a hollow cylindrical shape. Since the central conductor 2 is generally cylindrical, the first shielding cylinder 5 is preferably hollow cylindrical, and in order to improve the radiation protection effect of the first shielding cylinder 5, the central conductor 2 is disposed at the center of the first shielding cylinder 5. Similarly, the second shielding cylinder 6 is preferably a hollow cylindrical shape, and the first shielding cylinder 5 is located at the center of the second shielding cylinder 6.
In order to facilitate the installation of the central conductor 2 and ensure the connection strength between the central conductor 2 and the high-potential connecting flange 3, one end of the central conductor 2 is connected with the high-potential connecting flange 3 through a bolt. Similarly, in order to ensure the installation strength of the first shielding cylinder 5 and the second shielding cylinder 6, one end of the first shielding cylinder 5 is connected with the high potential connecting flange 3 through a bolt, and the other end of the first shielding cylinder is connected with the low potential connecting flange 4 through a bolt; one end of the second shielding cylinder 6 is connected with the high potential connecting flange 3 through a bolt, and the other end is connected with the low potential connecting flange 4 through a bolt.
Claims (7)
1. A high-voltage bushing for 35KV carries, including the cover body (1), central conductor (2), the one end of the cover body (1) is provided with high potential flange (3), and the other end is provided with low potential flange (4), and central conductor (2) set up in the inside of the cover body (1), and central conductor (2) one end is connected with high potential flange (3), and the other end passes low potential flange (4) and sets up its characterized in that: the shielding sleeve is characterized by further comprising a first shielding cylinder (5) and a second shielding cylinder (6), wherein the first shielding cylinder (5) is sleeved outside the central conductor (2), the second shielding cylinder (6) is sleeved outside the first shielding cylinder (5), the first shielding cylinder (5) and the second shielding cylinder (6) are both arranged inside the sleeve body (1), one end of the first shielding cylinder (5) is connected with the high-potential connecting flange (3), and the other end of the first shielding cylinder (5) is connected with the low-potential connecting flange (4);
one end of the second shielding cylinder (6) is connected with the high potential connecting flange (3), and the other end is connected with the low potential connecting flange (4).
2. A high voltage bushing for 35KV transmission as claimed in claim 1, wherein: the sleeve body (1) is in a hollow cylindrical shape.
3. A high voltage bushing for 35KV transmission as claimed in claim 1, wherein: the first shielding cylinder (5) is in a hollow cylindrical shape, and the central conductor (2) is positioned in the middle of the first shielding cylinder (5).
4. A high voltage bushing for 35KV transmission as claimed in claim 1, wherein: the second shielding cylinder (6) is in a hollow cylindrical shape, and the first shielding cylinder (5) is positioned in the middle of the second shielding cylinder (6).
5. A high voltage bushing for 35KV transmission as claimed in claim 1, wherein: one end of the central conductor (2) is connected with the high-potential connecting flange (3) through a bolt.
6. A high voltage bushing for 35KV transmission as claimed in claim 1, wherein: one end of the first shielding cylinder (5) is connected with the high potential connecting flange (3) through a bolt, and the other end of the first shielding cylinder is connected with the low potential connecting flange (4) through a bolt.
7. A high voltage bushing for 35KV transmission according to any one of claims 1 to 6, wherein: one end of the second shielding cylinder (6) is connected with the high potential connecting flange (3) through a bolt, and the other end of the second shielding cylinder is connected with the low potential connecting flange (4) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911324349.XA CN111030007A (en) | 2019-12-20 | 2019-12-20 | High-voltage bushing for 35KV transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911324349.XA CN111030007A (en) | 2019-12-20 | 2019-12-20 | High-voltage bushing for 35KV transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111030007A true CN111030007A (en) | 2020-04-17 |
Family
ID=70212143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911324349.XA Pending CN111030007A (en) | 2019-12-20 | 2019-12-20 | High-voltage bushing for 35KV transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111030007A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10241475A (en) * | 1997-02-28 | 1998-09-11 | Toshiba Corp | Gas bushing and its deterioration monitoring method |
| CN103187686A (en) * | 2013-04-01 | 2013-07-03 | 山东彼岸电力科技有限公司 | Extra-high-pressure wall bushing |
| CN105811294A (en) * | 2016-03-08 | 2016-07-27 | 山东泰开高压开关有限公司 | 1100kV high-voltage 11000A high-current lead-out bushing |
| CN108766682A (en) * | 2018-04-24 | 2018-11-06 | 河南平高电气股份有限公司 | Bushing and the high-voltage electrical equipment for using the bushing |
| CN108923342A (en) * | 2018-05-28 | 2018-11-30 | 中国电力科学研究院有限公司 | A kind of GIS outlet casing tube with damping function |
| CN109979695A (en) * | 2019-03-08 | 2019-07-05 | 江苏神马电力股份有限公司 | A kind of insulating sleeve and its manufacturing method |
-
2019
- 2019-12-20 CN CN201911324349.XA patent/CN111030007A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10241475A (en) * | 1997-02-28 | 1998-09-11 | Toshiba Corp | Gas bushing and its deterioration monitoring method |
| CN103187686A (en) * | 2013-04-01 | 2013-07-03 | 山东彼岸电力科技有限公司 | Extra-high-pressure wall bushing |
| CN105811294A (en) * | 2016-03-08 | 2016-07-27 | 山东泰开高压开关有限公司 | 1100kV high-voltage 11000A high-current lead-out bushing |
| CN108766682A (en) * | 2018-04-24 | 2018-11-06 | 河南平高电气股份有限公司 | Bushing and the high-voltage electrical equipment for using the bushing |
| CN108923342A (en) * | 2018-05-28 | 2018-11-30 | 中国电力科学研究院有限公司 | A kind of GIS outlet casing tube with damping function |
| CN109979695A (en) * | 2019-03-08 | 2019-07-05 | 江苏神马电力股份有限公司 | A kind of insulating sleeve and its manufacturing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105448578A (en) | Isolation switch and conductor thereof | |
| CN201466610U (en) | Wall bushing with double-shield structure | |
| CN204516417U (en) | One is resistance to turns round withstand voltage multi-media signal transmission cable | |
| CN201178008Y (en) | Anti-flashover through-wall sleeve | |
| CN111030007A (en) | High-voltage bushing for 35KV transmission | |
| CN202711940U (en) | High voltage sleeve pipe for current transformer | |
| CN206211485U (en) | A kind of roof high voltage cable plug-in and pull-off device of electric locomotive or EMUs high-voltaghe compartment | |
| CN201174556Y (en) | Ceramic-metal enclosed high-pressure vacuum wall piercer | |
| CN201282298Y (en) | Gas-filled type line-feeding casing tube | |
| CN103762048B (en) | Voltage divider for high-voltage pulse low-voltage arm shield type integral resistance | |
| CN209249191U (en) | A kind of direct current quad for high current transmission of electricity | |
| CN207676673U (en) | A kind of naval vessel, which is used up, replies conjunction immediate frequency cable by cable | |
| CN209313085U (en) | A kind of dedicated elbow-type ground line of net cabinet | |
| CN206225511U (en) | Radio frequency arrester | |
| CN201374199Y (en) | Special cable for mining transducer | |
| CN201444538U (en) | Composite bushing | |
| CN205318878U (en) | Strenghthened type rubber cover flexible cable is blocked water, shielded | |
| CN205790752U (en) | A kind of radio frequency connector of integrated spark gap | |
| CN202840351U (en) | Solid insulation sleeve | |
| CN220856188U (en) | Tensile torsion-resistant heavy rubber jacketed flexible cable | |
| CN202444088U (en) | Mineral insulated cable terminal | |
| CN219066494U (en) | External insulating shielding special-shaped bus | |
| CN206225708U (en) | Radio-frequency cable connector | |
| CN210378731U (en) | Internal, middle and external three-shielding transformer | |
| CN102800476B (en) | High-voltage standard capacitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200417 |