CN108550445B - Live display post insulator and switch cabinet - Google Patents
Live display post insulator and switch cabinet Download PDFInfo
- Publication number
- CN108550445B CN108550445B CN201810433786.4A CN201810433786A CN108550445B CN 108550445 B CN108550445 B CN 108550445B CN 201810433786 A CN201810433786 A CN 201810433786A CN 108550445 B CN108550445 B CN 108550445B
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- CN
- China
- Prior art keywords
- insulator
- bus bar
- hole
- cabinet body
- capacitor
- 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.)
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Links
- 239000012212 insulator Substances 0.000 title claims abstract description 109
- 239000003990 capacitor Substances 0.000 claims abstract description 31
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 210000001331 nose Anatomy 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
-
- 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
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Insulators (AREA)
Abstract
The invention relates to a live display post insulator and a switch cabinet. The switch cabinet comprises a cabinet body, wherein an electrified display post insulator is arranged in the cabinet body, a bus bar is arranged on the electrified display post insulator, the electrified display post insulator comprises an insulator, a through hole penetrating through the insulator is formed in the insulator, and a capacitor core used for realizing the electric connection of the bus bar and the display unit is arranged in the through hole. The live display post insulator is internally provided with the through holes penetrating through the two fixed ends of the insulator, the through holes are internally provided with the capacitor cores for conducting the bus bar and the display unit, and the fixed ends of the insulator are provided with the line noses and are connected with the display unit, so that secondary wiring on the side wall surface of the insulator is avoided, the problem of inconvenience in secondary wiring of the insulator is solved, the applicability of the live display post insulator is enhanced, and the use safety of the switch cabinet is enhanced.
Description
Technical Field
The invention relates to a live display post insulator and a switch cabinet.
Background
Along with the development of national economy, the electric power demand is continuously increased, and the application of the switch cabinet in the power generation, distribution and transmission systems of the electric power system is more and more extensive. In order to avoid personal injury and equipment damage caused by misoperation of operators under the electrified condition, the electrified display device is especially necessary to be arranged in the switch cabinet. The live display device is a prompt safety device which is directly arranged on a high-voltage power transmission and distribution facility and can intuitively display whether the high-voltage power transmission and distribution facility has operating voltage. When the high-voltage power transmission and distribution facilities have operating voltage, the display window of the electrified display emits flash light, so that people are warned that the high-voltage power transmission and distribution facilities are electrified, and no display is performed when no power is available.
The 40.5KV switch cabinet belongs to a common cabinet type, and comprises a bus chamber, a cable chamber, a breaker chamber and other compartments, wherein a post insulator plays a role in supporting a bus bar in the bus chamber. In order to observe the magnitude of the current passing through the bus-bar compartment, an electrified display insulator is used to transmit an electrical signal to an electrical signal display unit external to the insulator. Such live display post insulator in the prior art, as shown in fig. 1 to 3, comprises an insulator 1 and a capacitor core arranged in the insulator 1, wherein umbrella skirts 2 are arranged on the outer peripheral surface of the insulator 1, two ends of the capacitor core are respectively connected with conductive inserts, the conductive inserts are respectively used for being connected with a bus bar and a display unit outside the insulator 1, and a wiring terminal 3 communicated with the conductive inserts is arranged on the side wall of the insulator 1. The live display post insulator can transmit the bus bar electric signals to the display unit on the outer side, but because the structure in the switch cabinet is very compact, the space between the side walls of the adjacent insulators is very narrow, and the space is not enough, so that a tool nose is used for mounting, and the secondary wiring is very inconvenient. Therefore, the live display post insulator is difficult to be applied to a switchgear.
Disclosure of Invention
The invention aims to provide a live display post insulator, which aims to solve the problem of inconvenient secondary wiring of the existing live display post insulator; the invention also aims to provide a switch cabinet provided with the live display post insulator.
In order to achieve the above purpose, the technical scheme of the live display post insulator of the invention is as follows:
the utility model provides an electrified display post insulator includes the insulator, be equipped with on the insulator be used for with cabinet body fixed end of cabinet body fixed connection and be used for the busbar stiff end of being connected with the busbar, be equipped with the through-hole that runs through two stiff ends in the insulator, be equipped with the electric capacity core that is used for realizing busbar and display element electricity to be connected in the through-hole.
The beneficial effects are that: the live display post insulator is internally provided with a through hole penetrating through two fixed ends of the insulator, a capacitor core used for conducting the bus bar and the display unit is arranged in the through hole, and the fixed ends of the insulator are provided with a wire nose and are connected with the display unit, so that secondary wiring on the side wall surface of the insulator is avoided, the problem of inconvenience in secondary wiring of the insulator is solved, and the applicability of the live display post insulator is enhanced.
Specifically, the fixed end of the cabinet body is provided with a flaring for installing a lug at the edge of the through hole. The wire nose can be installed in the arranged flaring and secondary wiring can be performed, so that secondary wiring is facilitated.
When the flaring is arranged on the insulator, the capacitor core comprises a capacitor and conductive inserts connected to two ends of the capacitor, and the conductive inserts extend to the end parts along the through holes and are respectively connected with the bus bar and the display unit. The conductive inserts are arranged at the two ends of the capacitor, so that the fixing strength of the capacitor core in the through hole is enhanced, and connection is facilitated.
The conductive insert is further defined that the end of the conductive insert for connection with the busbar is provided with a connection screw hole or a connection bolt for connection with the busbar. The connection strength between the bus bar and the insulator is enhanced.
Various improvements can be made to the various technical schemes:
the first improvement, be equipped with a plurality of fixed screw holes or fixing bolt that set up around the through-hole axis circumference on the cabinet body fixed end. When installing the insulator, the fixed screw hole or the fixing bolt of circumference setting accessible rotation finds suitable mounted position, has strengthened the convenience of connection greatly.
In a second improvement, a plurality of sheds are arranged on the outer peripheral surface of the insulator, the sizes of two adjacent sheds are different, and the sizes of two outer sheds in the three adjacent sheds are equal. And the creepage distance is increased.
Further improvements to the sheds described above, the axial ends of each shed are symmetrical about the plane in which the radially outermost edge of the shed lies. The symmetrically arranged umbrella skirt is beneficial to further increasing the creepage distance of the umbrella skirt.
The technical scheme of the switch cabinet is as follows:
the utility model provides a cubical switchboard includes the cabinet body, install electrified display post insulator in the cabinet body, install the busbar on the electrified display post insulator, electrified display post insulator includes the insulator, be equipped with the through-hole that runs through the insulator in the insulator, be equipped with the electric capacity core that is used for realizing busbar and display element electricity to be connected in the through-hole.
The beneficial effects are that: the live display post insulator is internally provided with the through holes penetrating through the two fixed ends of the insulator, the through holes are internally provided with the capacitor cores for conducting the bus bar and the display unit, and the fixed ends of the insulator are provided with the line noses and are connected with the display unit, so that secondary wiring on the side wall surface of the insulator is avoided, the problem of inconvenience in secondary wiring of the insulator is solved, the applicability of the live display post insulator is enhanced, and the use safety of the switch cabinet is enhanced.
Specifically, the fixed end of the cabinet body is provided with a flaring for installing a lug at the edge of the through hole. The wire nose can be installed in the arranged flaring and secondary wiring can be performed, so that secondary wiring is facilitated.
When the flaring is arranged on the insulator, the capacitor core comprises a capacitor and conductive inserts connected to two ends of the capacitor, and the conductive inserts extend to the end parts along the through holes and are respectively connected with the bus bar and the display unit. The conductive inserts are arranged at the two ends of the capacitor, so that the fixing strength of the capacitor core in the through hole is enhanced, and connection is facilitated.
The conductive insert is further defined, and a connecting screw hole or a connecting bolt connected with the bus bar is arranged at the end part of the conductive insert connected with the bus bar. The connection strength between the bus bar and the insulator is enhanced.
Various improvements can be made to the various technical schemes:
the first improvement, be equipped with a plurality of fixed screw holes or fixing bolt that set up around the through-hole axis circumference on the cabinet body fixed end. When installing the insulator, the fixed screw hole or the fixing bolt of circumference setting accessible rotation finds suitable mounted position, has strengthened the convenience of connection greatly.
In a second improvement, a plurality of sheds are arranged on the outer peripheral surface of the insulator, the sizes of two adjacent sheds are different, and the sizes of two outer sheds in the three adjacent sheds are equal. And the creepage distance is increased.
Further improvements to the sheds described above, the axial ends of each shed are symmetrical about the plane in which the radially outermost edge of the shed lies. The symmetrically arranged umbrella skirt is beneficial to further increasing the creepage distance of the umbrella skirt.
Drawings
FIG. 1 is a schematic diagram of a prior art live display post insulator;
FIG. 2 is a side view of the live display post insulator of FIG. 1;
fig. 3 is an enlarged view at a in fig. 2;
FIG. 4 is a schematic diagram of a live display post insulator of an embodiment of a switchgear of the present invention;
FIG. 5 is a side view of the live display post insulator of FIG. 4;
FIG. 6 is an enlarged view at C in FIG. 4;
FIG. 7 is an enlarged view at B in FIG. 4;
FIG. 8 is a view of the live display post insulator installation of FIG. 4;
in the accompanying drawings: 1. an insulator; 2. umbrella skirt; 3. a terminal; 4. a first insert; 5. umbrella skirt; 6. a capacitor; 7. a second insert; 8. flaring; 9. fixing the screw holes; 10. an insulator; 11. a busbar; 12. and (5) installing the beam.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
The specific embodiment of the switch cabinet disclosed by the invention is shown in fig. 4 to 8, and comprises a cabinet body, wherein the cabinet body comprises a mounting beam, a bus bar 11 is arranged in the cabinet body through an electrified display post insulator, and one end of the electrified display post insulator, which is far away from the connection with the bus bar 11, is fixed on the mounting beam 12. The switch cabinet in this embodiment is a 40.5KV switch cabinet.
The live display post insulator comprises an insulator 10, wherein the insulator 10 is of a columnar structure, the upper end of the columnar insulator 10 is a bus bar fixed end, and the lower end of the columnar insulator is a mounting beam fixed end. The insulator 10 has a through hole penetrating the bus bar fixing end and the mounting beam fixing end, and a capacitor core is mounted in the through hole, the capacitor core includes a capacitor 6 located in the middle of the through hole, and a first insert 4 and a second insert 7 connected to two ends of the capacitor 6, and it is understood that the first insert 4 and the second insert 7 are embedded in the through hole. Wherein the first insert 4 extends along the through-hole to the bus bar fixing end of the insulator 10, and the second insert 7 extends along the through-hole to the mounting beam fixing end of the insulator 10. The end of the first insert 4 facing away from the connection with the capacitor 6 has a radially extending connecting screw hole, which is designed for the purpose of facilitating the electrical connection with the busbar 11, although in other embodiments the connecting screw hole is designed as a connecting screw as will be readily understood by a person skilled in the art. The second insert 7 is designed to have a flaring 8 at the end facing away from the end connected with the capacitor 6 and the fixed end of the mounting beam of the insulator 10, the flaring 8 in the embodiment is a square opening, and the diameter of the square opening is larger than that of the second insert 7, so that the purpose of the design is to facilitate the nose enhancement of the mounting wire and the connection strength of the display unit.
In this embodiment, the two fixed ends of the insulator 10 are located on the same axis, and it is understood that in other embodiments, the two fixed ends of the insulator 10 are angled, which is easily understood by those skilled in the art, that is, the live-wire display post insulator may have an L-shape or other structural configurations.
The end of the insulator 10 fixed to the mounting beam 12 has a plurality of fixing screw holes 9 circumferentially arranged around the axis of the through-hole, and the plurality of screw holes are distributed on the insulator in an indexing manner. Of course, in other embodiments, the replacement of the fixing screw holes with fixing bolts will be readily appreciated by those skilled in the art. The purpose of design in this way is in order to make electrified display pillar insulator all accessible rotation change different fixed screw 9 in different directions install, has avoided because of the installation roof beam 12 because of the trompil complicacy leads to electrified display pillar insulator's unable condition to appear.
In addition, the insulator 10 in the present embodiment has a plurality of sheds 5 on the outer peripheral surface, the sizes of two adjacent sheds 5 are different, and the sizes of two outer sheds 5 of the three adjacent sheds 5 are equal. The axial two ends of each umbrella skirt 5 are symmetrical about the plane of the radially outermost edge of the umbrella skirt 5. The purpose of design in this way is in order to increase the creepage distance of electrified display post insulator, has strengthened electrified display post insulator's insulating properties. In addition, the insulator 10 in the present embodiment is integrally molded with epoxy resin.
The specific embodiment of the live display post insulator of the present invention is the same as the structure of the live display post insulator in the embodiment of the switch cabinet described above, and will not be described again.
Claims (10)
1. The utility model provides an electrified pillar insulator that shows, includes the insulator, be equipped with on the insulator be used for with cabinet body fixed end of cabinet body fixed connection and be used for with the busbar row fixed end of being connected, its characterized in that: a through hole penetrating through the two fixed ends is formed in the insulator, and a capacitor core for realizing the electric connection between the bus bar and the display unit is arranged in the through hole; the edge of the through hole of the fixed end of the cabinet body is provided with a flaring for installing a lug; the capacitor core comprises a capacitor and conductive inserts connected to two ends of the capacitor, and the conductive inserts extend to the ends along the through holes and are respectively connected with the bus bar and the display unit.
2. The live display post insulator of claim 1, wherein: the end part of the conductive insert used for being connected with the bus bar is provided with a connecting screw hole or a connecting bolt used for being connected with the bus bar.
3. The live display post insulator according to claim 1 or 2, wherein: the fixed end of the cabinet body is provided with a plurality of fixing screw holes or fixing bolts which are circumferentially arranged around the axis of the through hole.
4. The live display post insulator according to claim 1 or 2, wherein: the outer peripheral surface of the insulator is provided with a plurality of umbrella skirts, the sizes of two adjacent umbrella skirts are different, and the sizes of two outer umbrella skirts in the three adjacent umbrella skirts are equal.
5. The live display post insulator according to claim 4, wherein: the two axial ends of each umbrella skirt are symmetrical about the plane of the radially outermost edge of the umbrella skirt.
6. The utility model provides a cubical switchboard, includes the cabinet body, the internal electrified pillar insulator that shows that installs of cabinet, install busbar, its characterized in that on the electrified pillar insulator that shows: the live display post insulator comprises an insulator, wherein a through hole penetrating through the insulator is formed in the insulator, and a capacitor core for realizing the electric connection between the bus bar and the display unit is arranged in the through hole; the edge of the through hole of the fixed end of the cabinet body is provided with a flaring for installing a lug; the capacitor core comprises a capacitor and conductive inserts connected to two ends of the capacitor, and the conductive inserts extend to the ends along the through holes and are respectively connected with the bus bar and the display unit.
7. The switchgear as claimed in claim 6, wherein: the end part of the conductive insert connected with the bus bar is provided with a connecting screw hole or a connecting bolt connected with the bus bar.
8. The switchgear as claimed in claim 6 or 7, wherein: the fixed end of the cabinet body, which is connected with the cabinet body, is provided with a plurality of fixing screw holes or fixing bolts which are circumferentially arranged around the axis of the through hole.
9. The switchgear as claimed in claim 6 or 7, wherein: the outer peripheral surface of the insulator is provided with a plurality of umbrella skirts, the sizes of two adjacent umbrella skirts are different, and the sizes of two outer umbrella skirts in the three adjacent umbrella skirts are equal.
10. The switchgear as claimed in claim 9, wherein: the two axial ends of each umbrella skirt are symmetrical about the plane of the radially outermost edge of the umbrella skirt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810433786.4A CN108550445B (en) | 2018-05-08 | 2018-05-08 | Live display post insulator and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810433786.4A CN108550445B (en) | 2018-05-08 | 2018-05-08 | Live display post insulator and switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108550445A CN108550445A (en) | 2018-09-18 |
| CN108550445B true CN108550445B (en) | 2023-11-21 |
Family
ID=63513672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810433786.4A Active CN108550445B (en) | 2018-05-08 | 2018-05-08 | Live display post insulator and switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108550445B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504559B (en) * | 2019-08-28 | 2020-11-20 | 苏州市启华机电设备有限公司 | Electric power busbar |
| CN114582576B (en) * | 2022-03-09 | 2024-01-19 | 南方电网调峰调频发电有限公司 | Motion insulator, preparation method thereof and switch comprising motion insulator |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09219911A (en) * | 1996-02-15 | 1997-08-19 | Nissin Electric Co Ltd | Current detecting electrode for gas-insulated equipment, and gas-insulated equipment fitted with current detecting electrode |
| JPH10188699A (en) * | 1996-12-26 | 1998-07-21 | Nissin Electric Co Ltd | Insulator contamination monitoring device |
| CN2388605Y (en) * | 1999-06-17 | 2000-07-19 | 杨汝达 | Induction high-voltage potential indicator |
| JP2005341414A (en) * | 2004-05-28 | 2005-12-08 | Orion Denki Kk | Lead line insulator and electronic equipment equipped with it |
| CN201237615Y (en) * | 2008-08-11 | 2009-05-13 | 余永松 | Sensor for high-voltage live display device |
| CN205303090U (en) * | 2016-01-15 | 2016-06-08 | 国网山东省电力公司青岛供电公司 | Show insulator with electricity |
| CN205944750U (en) * | 2016-08-20 | 2017-02-08 | 嘉兴市正辉电力设备有限公司 | Promote cabinet |
| CN206804718U (en) * | 2017-06-05 | 2017-12-26 | 山东帅信电气有限公司 | Solid compound inslation shield type voltage transformer based on coaxial capacitance |
| CN208256385U (en) * | 2018-05-08 | 2018-12-18 | 河南森源电气股份有限公司 | Electrification display support insulator and switchgear |
-
2018
- 2018-05-08 CN CN201810433786.4A patent/CN108550445B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09219911A (en) * | 1996-02-15 | 1997-08-19 | Nissin Electric Co Ltd | Current detecting electrode for gas-insulated equipment, and gas-insulated equipment fitted with current detecting electrode |
| JPH10188699A (en) * | 1996-12-26 | 1998-07-21 | Nissin Electric Co Ltd | Insulator contamination monitoring device |
| CN2388605Y (en) * | 1999-06-17 | 2000-07-19 | 杨汝达 | Induction high-voltage potential indicator |
| JP2005341414A (en) * | 2004-05-28 | 2005-12-08 | Orion Denki Kk | Lead line insulator and electronic equipment equipped with it |
| CN201237615Y (en) * | 2008-08-11 | 2009-05-13 | 余永松 | Sensor for high-voltage live display device |
| CN205303090U (en) * | 2016-01-15 | 2016-06-08 | 国网山东省电力公司青岛供电公司 | Show insulator with electricity |
| CN205944750U (en) * | 2016-08-20 | 2017-02-08 | 嘉兴市正辉电力设备有限公司 | Promote cabinet |
| CN206804718U (en) * | 2017-06-05 | 2017-12-26 | 山东帅信电气有限公司 | Solid compound inslation shield type voltage transformer based on coaxial capacitance |
| CN208256385U (en) * | 2018-05-08 | 2018-12-18 | 河南森源电气股份有限公司 | Electrification display support insulator and switchgear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108550445A (en) | 2018-09-18 |
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