CN214706606U - Main insulator for top bus solid insulation switch equipment - Google Patents
Main insulator for top bus solid insulation switch equipment Download PDFInfo
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- CN214706606U CN214706606U CN202121188488.7U CN202121188488U CN214706606U CN 214706606 U CN214706606 U CN 214706606U CN 202121188488 U CN202121188488 U CN 202121188488U CN 214706606 U CN214706606 U CN 214706606U
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Abstract
The utility model provides a main insulator for top bus solid insulation switchgear, belongs to solid insulation looped netowrk cabinet field, includes A, B, C three-phase, characterized by: the phase a main bus bushing is positioned furthest relative to the vertical mounting face of the main insulator, the phase C main bus bushing is positioned closest relative to the vertical mounting face of the main insulator, and the phase B main bus bushing is positioned intermediate the phase a main bus bushing and the phase C main bus bushing relative to the vertical mounting face of the main insulator. The utility model discloses improved solid insulation equipment's generating line mounted position, realized under the condition that does not increase equipment space, with main generating line position design to top position, when subsequent cabinet body design, main generating line position can design at secondary terminal room rear side, both saved space and easy to assemble.
Description
Technical Field
The utility model belongs to solid insulation looped netowrk cabinet field, in particular to a main insulator that is used for solid insulation switchgear of top generating line connection.
Background
In the current solid insulation ring main unit, the bus of most main insulators is located at the lower side or the rear side of the main unit, and the installation and maintenance of the bus are not particularly convenient, so a new solution is needed in the prior art to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the main insulator for the top bus solid insulation switch equipment is provided, the bus installation position of the solid insulation switch equipment is improved, the main bus position is designed to the top position under the condition that the equipment space is not increased, and the main bus position can be designed on the rear side of the secondary terminal chamber during subsequent cabinet body design, so that the space is saved, and the installation is convenient.
A main insulator for a top bus solid insulated switchgear, comprising A, B, C three phases, characterized by: the position of the A-phase main bus bushing is farthest relative to a vertical mounting surface of the main insulator, the position of the C-phase main bus bushing is closest relative to the vertical mounting surface of the main insulator, and the position of the B-phase main bus bushing relative to the vertical mounting surface of the main insulator is between the A-phase main bus bushing and the C-phase main bus bushing;
each phase of the main insulator comprises an incoming and outgoing line sleeve, a main bus sleeve, a vacuum arc-extinguishing chamber, a static contact and a guide groove;
the wire inlet and outlet sleeve is a conical sleeve and is positioned at the bottom of the insulator, the end face of the wire inlet and outlet sleeve is parallel to the mounting surface of the insulator, a conductive rod is arranged in the wire inlet and outlet sleeve, one end of the conductive rod is connected with the arc extinguish chamber, and the other end of the conductive rod is connected with the plug exposed in the air;
the main bus sleeve comprises a phase main bus sleeve, a phase B main bus sleeve and a phase C main bus sleeve, which are all conical sleeves and are positioned at the top of the insulator, the end surfaces of the sleeves are perpendicular to the mounting surface of the insulator, a bus conducting rod is sealed inside each main bus sleeve, one end of each conducting rod is connected with a fixed contact, and the other end of each conducting rod is connected with a bus plug exposed in the air;
the outer surface of the vacuum arc extinguish chamber is provided with a silicon rubber coating, the vacuum arc extinguish chamber is hermetically arranged at the lower part of the main insulator, one end of the vacuum arc extinguish chamber is connected with the wire inlet and outlet sleeve conducting rod through a bolt, and the other end of the vacuum arc extinguish chamber is connected with the arc extinguish chamber insulating pull rod;
the two static contacts are sealed in the main insulator, one of the two static contacts is sealed above the vacuum arc-extinguishing chamber and is connected with the vacuum arc-extinguishing chamber through a conducting rod by using a bolt; the other one is sealed below the main bus sleeve and connected to the main bus conducting rod, and an umbrella skirt is arranged between the two fixed contacts;
the guide grooves are arranged on two sides of the cavity of the main insulator and between the two fixed contacts.
And shielding nets are arranged at the front end of the vacuum arc extinguish chamber, around the wire inlet and outlet sleeve conductive rod and around the main bus sleeve main bus conductive rod.
And M4 induction bolts used for connecting a band point display are arranged on the shielding net around the wire inlet and outlet sleeve conducting rod and are sealed inside the main insulator shell.
And the vertical mounting surface of the main insulator is hermetically provided with an embedded nut for mounting the insulating column pole.
The rear side of the main insulator is connected with the cabinet sheet metal part through an M8 embedded nut.
And an arc extinguish chamber umbrella skirt is arranged between the vacuum arc extinguish chamber and the vertical mounting surface of the main insulator.
Through the above design scheme, the utility model discloses following beneficial effect can be brought: a main insulator for a top bus solid insulation switch device improves the bus installation position of the solid insulation switch device, realizes that the main bus position is designed to the top position under the condition of not increasing the space of the device, and can be designed at the rear side of a secondary terminal chamber during the subsequent cabinet body design, thereby saving the space and facilitating the installation.
Drawings
The invention is further described with reference to the following drawings and detailed description:
fig. 1 is the utility model relates to a main insulator A looks structure schematic diagram for top generating line solid insulated switchgear.
Fig. 2 is a schematic diagram of a B-phase structure of a main insulator for a top bus solid insulated switchgear of the present invention.
Fig. 3 is a schematic diagram of a main insulator C-phase structure for a top bus solid insulated switchgear of the present invention.
Fig. 4 is a schematic structural view of a main insulator of a top bus solid insulated switchgear of the present invention.
Fig. 5 is a schematic diagram of a three-dimensional structure of a main insulator for a top bus solid insulated switchgear of the present invention.
In the figure, 1-main insulator, 2-wire inlet and outlet sleeves, 3-main bus sleeve, 4-vacuum arc extinguish chamber, 5-static contact, 6-guide groove, 7-shielding net, 8-M4 induction bolt, 9-embedded nut, 10-M8 embedded nut, 11-umbrella skirt, 12-arc extinguish chamber umbrella skirt, 301-A phase main bus sleeve, 302-B phase main bus sleeve and 303-C phase main bus sleeve.
Detailed Description
As shown in fig. 1-5, the utility model relates to a main insulator for top generating line solid insulated switchgear, including main insulator 1, business turn over line sleeve pipe 2, main bus sleeve pipe 3, vacuum interrupter 4, static contact 5, guide way 6, explosion chamber full skirt 12 and be used for the shielding net 7 in equipartition electric field and magnetic field for the M4 induction bolt 8 of connecting band electricity display, inlay the dress nut 9 for installing insulating utmost point post, inlay dress M8 inlay the dress nut 10 for offsetting insulator gravity influence, full skirt 11 in the middle of two bridge type switch static contacts.
The main insulator 1 is made of epoxy resin through injection molding by an advanced glue injection process, the advanced process ensures that the epoxy resin has no defects of gaps, bubbles, other materials, and the like, and main components such as the vacuum arc-extinguishing chamber 4, the wire inlet and outlet conducting rods, the main bus conducting rod, various embedded bolts, the shielding net 7 and the like are safely sealed in the insulator 1, the outer surface of the main component is coated with a galvanized layer for grounding the surface of the insulator, wherein the galvanized layer is not arranged around the M4 induction bolt 8 for connecting the electric display and the outer surface of the wire inlet sleeve 2 and the outer surface of the main bus sleeve 3.
The wire inlet and outlet sleeve 2 is a conical sleeve and is positioned at the bottom of the main insulator 1, the end face of the wire inlet and outlet sleeve is parallel to the mounting surface of the main insulator 1, and both the wire inlet and outlet sleeve can be safely connected with European cable plug heads in the existing market, a wire inlet and outlet conducting rod is sealed inside the wire inlet and outlet sleeve 2, bolts are arranged at both ends of the wire inlet and outlet conducting rod, one end of the wire inlet and outlet conducting rod is connected with the arc extinguish chamber 4, and the other end of the wire inlet and outlet conducting rod is exposed in the air and connected with the plug.
The main bus bushing 3 is a tapered bushing and is positioned on the rear side of the top of the main insulator 1, the end surface of the tapered bushing is perpendicular to the mounting surface of the main insulator 1, the A-phase main bus bushing 301, the B-phase main bus bushing 302 and the C-phase main bus bushing 303 are different from the vertical mounting surface of the main insulator 1, wherein the A-phase main bus bushing 301 is farthest from the vertical mounting surface of the main insulator 1, the B-phase main bus bushing 302 is between the A-phase main bus bushing 301 and the C-phase main bus bushing 303 relative to the vertical mounting surface of the main insulator 1, the C-phase main bus bushing 303 is closest to the vertical mounting surface of the main insulator 1, and can ensure that buses in the same phase can be mounted in a shape like a Chinese character 'yi', a bus conducting rod is sealed in the main bus bushing 3, bolts are arranged at two ends of the bus conducting rod, one end of the bus conducting rod is connected with a static contact 5 at one end of a bridge switch, the other end is exposed in the air to be connected with a bus plug.
The outer surface of the vacuum arc extinguish chamber 4 is encapsulated by silicon rubber, the encapsulated vacuum arc extinguish chamber is sealed at the rear side of the lower part of the main insulator 1, one end of the main insulator 1 is sealed and connected with the wire inlet and outlet sleeve 2 by a bolt and a wire inlet and outlet conducting rod, and the bolt at the other end is exposed in the insulator cavity and used for connecting an arc extinguish chamber insulating pull rod connected with a mechanism.
The static contacts 5 are two bridge type switch static contacts, are respectively sealed in the main insulator 1, one of the two bridge type switch static contacts is sealed above the vacuum arc-extinguishing chamber 4, and are connected with the vacuum arc-extinguishing chamber 4 through a conductive rod by using bolts; the other one is sealed below the main bus sleeve 3 and connected to the bus conducting rod, and an umbrella skirt 11 is designed between the two static contacts 5 in order to avoid the insufficient creepage distance of the two static contacts 5.
The two guide grooves 6 are designed on two sides of the cavity of the main insulator 1 and used for mounting a bridge switch, and the positions of the bridge switch relative to the static contact 5 are distributed in the middle.
The shielding net 7 is used for uniformly distributing an electric field and a magnetic field, and is sealed at the front end of the vacuum arc extinguish chamber 4, around the wire inlet and outlet conducting rods of the wire inlet and outlet sleeve 2 and around the bus conducting rod of the main bus sleeve 3, wherein the shielding net 7 around the wire inlet and outlet conducting rods of the wire inlet and outlet sleeve 2 is connected with the M4 nested bolt 8.
The M4 induction bolt 8 is used for connecting an electric display, and the M4 induction bolt 8 is connected with a shielding net 7 positioned around the wire inlet and outlet conducting rod and sealed above the wire inlet and outlet sleeve 2.
The embedded nut 9 is used for installing an insulated pole and sealing the vertical installation surface of the main insulator 1, and a notch for installing a sealing strip is formed in the end face of the vertical installation surface where the embedded nut is located and used for installing the sealing strip, so that the sealing effect of the main insulator 1 after installation is better.
The M8 embedded nut 10 is used for offsetting the influence of the gravity of the insulator and is sealed at the rear side of the main insulator 1, and because the main insulator 1 is vertically installed, in order to avoid the influence of the gravity on the main insulator 1 and slightly incline backwards, the nut is designed at the rear side of the main insulator 1 and is connected with a sheet metal part designed in a cabinet body, so that the stability of the main insulator 1 is ensured.
The umbrella skirt 11 is positioned between the static contacts 5 of the two bridge switches, so that the fracture creepage distance between the two static contacts 5 is increased, and the safety of the bridge switches in disconnection is ensured.
The arc extinguish chamber umbrella skirt 12 is positioned between the front end of the vacuum arc extinguish chamber 4 and the vertical mounting surface, and the creepage distance from the charged body at the front end of the vacuum arc extinguish chamber 4 to the vertical mounting surface is increased.
The utility model discloses mainly be used for solving the problem when the maintenance of being not convenient for of current solid insulation equipment when installing the generating line, the utility model discloses with generating line sleeve 3 position design in main insulator 1's back top, generating line sleeve 3 position staggers for the three-phase, can make generating line "one" word installation, the installation of being convenient for, and the installation face of the main insulator of this design is vertical installation, and when the cabinet body design of messenger, the generating line position just in time can be at the rear of secondary terminal room, has saved installation space and the generating line of being convenient for is maintained.
The utility model discloses a main insulator 1 divide into A, B, C threephase, wherein A looks main bus sleeve 301 position is furthest for the vertical installation face of main insulator 1, B looks main bus sleeve 302 position is in the middle of A looks and C looks for the vertical installation face position of main insulator 1, C looks main bus sleeve 303 position is nearest for the vertical installation face of main insulator 1; the positions of all the main bus sleeves can ensure that main bus cables between phases A and A, between phases B and between phases C and C can be connected linearly.
Claims (6)
1. A main insulator for a top bus solid insulated switchgear, comprising A, B, C three phases, characterized by: the position of the A-phase main bus bushing (301) is farthest relative to the vertical mounting surface of the main insulator (1), the position of the C-phase main bus bushing (303) is closest relative to the vertical mounting surface of the main insulator (1), and the position of the B-phase main bus bushing (302) relative to the vertical mounting surface of the main insulator (1) is between the A-phase main bus bushing (301) and the C-phase main bus bushing (303);
each phase of the insulating insulator comprises a main insulator (1) which comprises an incoming and outgoing line sleeve (2), a main bus sleeve (3), a vacuum arc-extinguishing chamber (4), a static contact (5) and a guide groove (6);
the wire inlet and outlet sleeve (2) is a conical sleeve and is positioned at the bottom of the insulator (1), the end face of the wire inlet and outlet sleeve is parallel to the mounting surface of the insulator (1), a conductive rod is arranged in the wire inlet and outlet sleeve, one end of the conductive rod is connected with the arc extinguish chamber, and the other end of the conductive rod is connected with the plug exposed in the air;
the main bus sleeve (3) comprises an A-phase main bus sleeve (301), a B-phase main bus sleeve (302) and a C-phase main bus sleeve (303), which are all conical sleeves and are positioned at the top of the insulator (1), the end surfaces of the sleeves are perpendicular to the mounting surface of the insulator (1), a bus conducting rod is sealed inside each main bus sleeve (3), one end of each conducting rod is connected with the static contact (5), and the other end of each conducting rod is connected with a bus plug exposed in the air;
the outer surface of the vacuum arc extinguish chamber (4) is provided with a silicon rubber coating, the vacuum arc extinguish chamber is hermetically arranged at the lower part of the main insulator (1), one end of the vacuum arc extinguish chamber is connected with the conducting rod of the wire inlet and outlet sleeve (2) through a bolt, and the other end of the vacuum arc extinguish chamber is connected with an arc extinguish chamber insulating pull rod;
the two static contacts (5) are sealed inside the main insulator (1), one of the two static contacts is sealed above the vacuum arc-extinguishing chamber (4), and is connected with the vacuum arc-extinguishing chamber (4) through a conducting rod by using a bolt; the other one is sealed below the main bus sleeve (3) and connected to the main bus conducting rod, and an umbrella skirt (11) is arranged between the two static contacts (5);
the guide grooves (6) are arranged on two sides of the cavity of the main insulator (1) and between the two static contacts (5).
2. The main insulator for a top bus bar solid insulated switchgear of claim 1, wherein: the front end of vacuum interrupter (4), all be provided with shielding net (7) around business turn over line sleeve pipe (2) conducting rod and around main bus sleeve pipe (3) generating line conducting rod.
3. The main insulator for the top bus bar solid insulated switchgear of claim 1 or 2, wherein: and M4 induction bolts (8) used for connecting a tape point display are arranged on the shielding net (7) around the conducting rod of the incoming and outgoing line sleeve (2) and are sealed in the shell of the main insulator (1).
4. The main insulator for a top bus bar solid insulated switchgear of claim 1, wherein: and an embedded nut (9) for mounting an insulating column pole is hermetically arranged on the vertical mounting surface of the main insulator (1).
5. The main insulator for a top bus bar solid insulated switchgear of claim 1, wherein: the rear side of the main insulator (1) is connected with a cabinet sheet metal part through an M8 embedded nut (10).
6. The main insulator for a top bus bar solid insulated switchgear of claim 1, wherein: an arc extinguish chamber umbrella skirt (12) is arranged between the vacuum arc extinguish chamber (4) and the vertical mounting surface of the main insulator (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121188488.7U CN214706606U (en) | 2021-05-31 | 2021-05-31 | Main insulator for top bus solid insulation switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121188488.7U CN214706606U (en) | 2021-05-31 | 2021-05-31 | Main insulator for top bus solid insulation switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214706606U true CN214706606U (en) | 2021-11-12 |
Family
ID=78554416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121188488.7U Active CN214706606U (en) | 2021-05-31 | 2021-05-31 | Main insulator for top bus solid insulation switch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214706606U (en) |
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2021
- 2021-05-31 CN CN202121188488.7U patent/CN214706606U/en active Active
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