CN201797234U - Small-sized vacuum ring main unit - Google Patents
Small-sized vacuum ring main unit Download PDFInfo
- Publication number
- CN201797234U CN201797234U CN2010202212153U CN201020221215U CN201797234U CN 201797234 U CN201797234 U CN 201797234U CN 2010202212153 U CN2010202212153 U CN 2010202212153U CN 201020221215 U CN201020221215 U CN 201020221215U CN 201797234 U CN201797234 U CN 201797234U
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- phase
- mutually
- pole
- chamber
- insulating cover
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Abstract
The utility model relates to a small-sized vacuum ring main unit, which comprises a body, A-phase, B-phase and C-phase buses, A-phase, B-phase and C-phase bus insulators, A-phase, B-phase and C-phase disconnecting switches, A-phase, B-phase and C-phase disconnecting switch driving mechanisms, A-phase, B-phase and C-phase embedded poles, A-phase, B-phase and C-phase vacuum interrupter operating mechanisms and A-phase, B-phase and C-phase current transformer. The small-sized vacuum ring main unit is characterized in that an insulating cover is arranged among the A-phase, B-phase and C-phase disconnecting switches so as to guarantee electrical safety, simplify a transmission device and realize simple and reliable five-protection interlock, one of the main buses is arranged transversely while the other two main buses are arranged vertically so as to guarantee electrical safe distance and simultaneously reduce space of a main bus chamber, vacuum interrupters, vacuum interrupter operating mechanisms and lower wire outlet seats are embedded in the embedded poles adopting epoxy resin as insulating materials, upper wire outlet seats are embedded in the insulating materials and are safe and reliable, a meter cabinet can be moved out so as to bring convenience for installation and repair of the main buses and guarantee maintenance and repair of secondary elements, and an independent cable room guarantees personnel safety during repair, maintenance and replacement of fuses and current transformers.
Description
Technical field
The utility model relates to a kind of high-tension switch cabinet, particularly a kind of small size vacuum ring main unit.
Background technology
High voltage vacuum switchgear cabinet is a kind of terminal protection equipment, brings into play key effect in distribution and ring network power supply, and on-load switch has been widely used in the switch cubicle, and on-load switch mainly is made up of conduction major loop and operating mechanism.The conduction major loop develops into pole fixed sealing type structure from unenclosed construction at present, this structure is that vacuum interrupter and insulating cylinder are integrated into an overall structure, and by embedded technology vacuum interrupter is cast in the epoxy resin, make the naked leakage conductance electricity of vacuum interrupter parts to external insulation.But generally pole vertically is installed in and makes whole switch cubicle overall dimensions excessive in the switch cubicle, has hidden danger on electric, and complex structure is difficult for maintenance.The indoor insulator of the main bus bar of switch cubicle is a word order on roof, causes main bus bar chamber volume bigger than normal; Do not take insulation measures between the three-phase isolation switch, need have than large space to guarantee three alternate secured electrical distances.
The utility model content
The purpose of this utility model is a kind of small size vacuum ring main unit that the electrical safety that provides at above-mentioned deficiency of the prior art is reliable, the installation maintenance is convenient, volume is little.
The technical scheme that adopts is: a kind of small size vacuum ring main unit comprises the cabinet body, the cabinet body is divided into control room, main bus bar chamber, operating mechanism chamber, cable vault and pole chamber by dividing plate, A phase, B phase and C be bus mutually, A phase, B phase and C be bus-bar insulator mutually, A phase, B phase and the isolated switch of C, A phase, B phase and the isolated switches conductive of C mechanism, A phase, B phase and the isolated driving mechanism for switches of C, A phase, B mutually and C pole mutually, A phase, B mutually and C mutually vacuum interrupter operating mechanism and A mutually, B phase and C phase current mutual inductor.
Its technical essential is: the main bus bar chamber is positioned at the top of switch cubicle body, A phase insulator, B phase insulator and C mutually insulator to be installed in main bus bar respectively indoor.A phase insulator, B phase insulator vertically are installed on the roof of main bus bar chamber, and C phase insulator laterally is installed on the left side wall of main bus bar chamber.A phase insulator lower end is provided with junction block, and B phase insulator lower end is provided with junction block, and C phase insulator right-hand member is provided with junction block.A phase, B are connected with three junction blocks respectively with C phase bus mutually.
It is indoor that the hole of the top of A phase insulating cover by bottom, main bus bar chamber enters main bus bar, the bottom of A phase insulating cover pole indoor with A mutually the A phase insulation shell of pole connect.The quiet tool rest of the isolated switch of A is fixed on the top of A phase insulating cover, the isolated switch of A is positioned at the insulating cover left side, A goes up the bottom that the outlet seat is positioned at A phase insulating cover mutually, A goes up the outlet seat mutually and is embedded in the A phase pole, A goes up the lower end and the A quiet end connection of vacuum interrupter mutually of outlet seat mutually, and the lower end of the isolated switch of A is gone up the outlet seat mutually with A and is coupling.During "on" position, the quiet tool rest of isolated switch of A and the isolated switch of A is pegged graft.
The isolated switches conductive of A mechanism comprises: the quiet tool rest of the isolated switch of A, the isolated switch of A are gone up the outlet seat mutually with A.
The isolated driving mechanism for switches of A comprises: A phase insulated tension pole, A phase connecting lever and A rotating shaft mutually.A phase insulated tension pole and A mutually connecting lever laterally to be installed in pole indoor.The right-hand member of A phase insulated tension pole is hinged by hole and the isolated switch of A, and connecting lever is hinged mutually with A for the left end of A phase insulated tension pole, and the other end of A phase connecting lever is fixed in the rotating shaft of A phase, and the rotating shaft of A phase is fixed on the right side wall of operating mechanism chamber by A phase axle bed.
B is mutually structurally identical with the isolated driving mechanism for switches of C with the isolated switches conductive of C mechanism, B phase, so repeated description not.
A phase, B mutually and C phase bus respectively by three junction blocks and A mutually, the B phase is connected with the quiet tool rest of the isolated switch of C.
It is indoor that A phase pole is horizontally installed on the pole that is positioned at the dividing plate top.A phase pole comprises that barrel-shaped A phase insulation shell, A phase vacuum interrupter, A phase insulated tension pole, A phase connecting lever, the A of epoxy resin making go up the outlet seat mutually and descend the outlet seat mutually with A.A phase vacuum interrupter descends the outlet seat to be enclosed in admittedly in the A phase insulation shell with A mutually, and A goes up the outlet seat mutually and embeds in the A phase pole.The left end of A phase insulation shell is fixed on the outer wall of operating mechanism chamber.
A phase vacuum interrupter operating mechanism comprises A phase insulated tension pole and A connecting lever mutually.The right-hand member of A phase insulated tension pole and A the A phase conducting rod of vacuum interrupter moved end mutually connect, and the left end of A phase insulated tension pole and the A right-hand member of connecting lever mutually are hinged, and the indoor operating mechanism of the left end of A phase connecting lever and operating mechanism is connected.A phase conductive clip and A conducting rod connection mutually.
B mutually and C pole mutually, the B phase is structurally identical with C phase vacuum interrupter operating mechanism, so repeated description not.
The upper end that A phase copper conduction band is flexible coupling and A conductive clip mutually connect in A phase insulation shell, and the lower end that A phase copper conduction band is flexible coupling descends the outlet seat to connect with A mutually, A descend mutually outlet seat and A mutually fuse in the following outlet of insulation shell, connect.
B mutually and C mutually the copper conduction band be flexible coupling, the B phase is structurally identical with C phase fuse, so repeated description not.
The cable vault is positioned at below, pole chamber, and A phase insulating cover is installed in the cable vault.The A phase current mutual inductor is installed in the A phase insulating cover, and the stiff end of A phase current mutual inductor is fixed on the rear wall of cable vault after stretching out A phase insulating cover.The lower end of A phase fuse is connected with leading-out terminal on the A phase current mutual inductor in A phase insulating cover.When A phase earthed switch closes a floodgate with the last leading-out terminal of A phase current mutual inductor in A parallel connection in the insulating cover mutually, A phase earthed switch passes A phase insulating cover and passes through A phase ground connection seated connection ground.
B mutually and the C phase current mutual inductor, B is structurally identical with C phase insulating cover with C phase earthed switch, B phase mutually, so repeated description not.
The control room is connected by bolt with the outer wall of main bus bar chamber, the various function instrument of installing in the control room.The control room that flexibly connects can be conveniently to the maintenance and the maintenance of secondary component in the control room, convenient installation, maintenance and maintenance to main bus bar.
Its advantage is: main bus bar one horizontal two perpendicular the setting, under the situation that guarantees the electrical safety distance, dwindled the space of main bus bar chamber again; Vacuum interrupter, the vacuum interrupter operating mechanism, the outlet seat all is enclosed in the pole admittedly up and down, uses epoxy resin as insulating material, and is safe and reliable; The installation maintenance that the control room makes things convenient for main bus bar be can remove, the maintenance and the maintenance of secondary component guaranteed; Separate with insulating cover between the three-phase isolation switch, guarantee the electrical distance of safety, simplify transmission device, and five anti-interlockings are simple and reliable; Personal safety when independently the cable vault guarantees maintenance, safeguards and changes fuse, current transformer; Abundant cable connection space, the convenient turnover line cable that connects.
Description of drawings
Fig. 1 is a kind of A-A view of small size vacuum ring main unit.
Fig. 2 is the A-A view of three isolating switches.
Embodiment
A kind of small size vacuum ring main unit comprises cabinet body 5, cabinet body 5 is divided into control room 1, main bus bar chamber 2, operating mechanism chamber 3, cable vault 4 and pole chamber 24 by dividing plate, A phase, B phase and C be bus mutually, A phase, B phase and C be bus-bar insulator mutually, A phase, B phase and the isolated switch of C, A phase, B phase and the isolated switches conductive of C mechanism, A phase, B phase and the isolated driving mechanism for switches of C, A phase, B mutually and C pole mutually, A phase, B mutually and C mutually vacuum interrupter operating mechanism and A mutually, B phase and C phase current mutual inductor.
Main bus bar chamber 2 is positioned at the top of switch cubicle body 5, and A phase insulator 6, B phase insulator 7 and C insulator 8 mutually are installed in respectively in the main bus bar chamber 2.A phase insulator 6, B phase insulator 7 vertically are installed on the roof of main bus bar chamber 2, and C phase insulator 8 laterally is installed on the left side wall of main bus bar chamber 2.A phase insulator 6 lower ends are provided with first junction block 31, and B phase insulator 7 lower ends are provided with second junction block 32, and C phase insulator 8 right-hand members are provided with the 3rd junction block 33.A phase, B are connected with the 3rd junction block 33 with first junction block 31, second junction block 32 respectively with C phase bus mutually.
The top of A phase insulating cover 11 enters in the main bus bar chamber 2 by the hole 12 of 2 bottoms, main bus bar chamber, A phase insulating cover 11 the bottom in pole chamber 24 with A mutually insulation shell 19 connect.The quiet tool rest 9 of the isolated switch of A is fixed on the top of A phase insulating cover 11, the isolated switch 10 of A is positioned at insulating cover 11 left sides, A goes up the bottom that outlet seat 13 is positioned at A phase insulating cover 11 mutually, A goes up outlet seat 13 mutually and embeds in the A phase pole 14, A goes up the lower end and the A quiet end connection of vacuum interrupter 20 mutually of outlet seat 13 mutually, and the lower end of the isolated switch 10 of A is gone up outlet seat 13 mutually with A and is coupling.During "on" position, the isolated switch 10 of A is pegged graft with the quiet tool rest 9 of the isolated switch of A.
The isolated switches conductive of A mechanism comprises: the quiet tool rest 9 of the isolated switch of A, the isolated switch 10 of A are gone up outlet seat 13 mutually with A.
The isolated driving mechanism for switches of A comprises: A phase insulated tension pole 15, A phase connecting lever 16 and A rotating shaft 17 mutually.A phase insulated tension pole 15 and A connecting lever 16 mutually laterally are installed in the pole chamber 24.The right-hand member of A phase insulated tension pole 15 is hinged by the isolated switch of hole 34 and A 10, connecting lever 16 is hinged mutually with A for the left end of A phase insulated tension pole 15, the other end of A phase connecting lever 16 is fixed in the A phase rotating shaft 17, and A phase rotating shaft 17 is fixed on 3 right side walls of operating mechanism chamber by A phase axle bed 18.
B is mutually structurally identical with the isolated driving mechanism for switches of C with the isolated switches conductive of C mechanism, B phase, so repeated description not.
A phase, B mutually and C phase bus respectively by first junction block 31, second junction block 32 and the 3rd junction block 33 and A mutually, the B phase is connected with the quiet tool rest of the isolated switch of C.
A phase pole 14 laterally is installed in the pole chamber 24 that is positioned at dividing plate 30 tops.A phase pole 14 comprises that barrel-shaped A phase insulation shell 19, A phase vacuum interrupter 20, A phase insulated tension pole 21, A phase connecting lever 22, A that epoxy resin is made go up outlet seat 13 and following mutually second junction block 32 of A mutually.A phase vacuum interrupter 20 is enclosed in the A phase insulation shell 19 admittedly with following mutually second junction block 32 of A, and A goes up outlet seat 13 mutually and embeds in the A phase poles 14.The left end of A phase insulation shell 19 is fixed on the right side wall of operating mechanism chamber 3.
A phase vacuum interrupter operating mechanism comprises A phase insulated tension pole 21 and A connecting lever 22 mutually.The right-hand member of A phase insulated tension pole 21 and A the A phase conducting rod 36 of vacuum interrupter 20 moved ends mutually connect, and the left end of A phase insulated tension pole 21 and the A right-hand member of connecting lever 22 mutually are hinged, and the left end of A phase connecting lever 22 and operating mechanism chamber 3 interior operating mechanisms are connected.A phase conductive clip 35 and A conducting rod 36 connections mutually.
B mutually and C pole mutually, the B phase is structurally identical with C phase vacuum interrupter operating mechanism, so repeated description not.
A phase copper conduction band be flexible coupling 23 upper end and A mutually conductive clip 35 in A phase insulation shell 19, connect, A phase copper conduction band be flexible coupling 23 lower end and A mutually down second junction block 32 connect, A mutually down second junction block 32 and A mutually fuse 25 in the following outlet of A phase insulation shell 19, connect.
B mutually and C mutually the copper conduction band be flexible coupling, the B phase is structurally identical with C phase fuse, so repeated description not.
Cable vault 4 is positioned at 24 belows, pole chamber, and A phase insulating cover 26 is installed in the cable vault 4.A phase current mutual inductor 27 is installed in the A phase insulating cover 26, and the stiff end of A phase current mutual inductor 27 is fixed on the rear wall of cable vault 4 after stretching out A phase insulating cover 26.The lower end of A phase fuse 25 is connected with leading-out terminal on the A phase current mutual inductor 27 in A phase insulating cover 26.When A phase earthed switch 28 closes a floodgate with the last terminals of A phase current mutual inductor 27 in A parallel connection in the insulating cover 26 mutually, A phase earthed switch 28 passes A phase insulating cover 26 and passes through A phase grounding base 29 ground connection.
B mutually and the C phase current mutual inductor, B is structurally identical with C phase insulating cover with C phase earthed switch, B phase mutually, so repeated description not.
Claims (2)
1. a small size vacuum ring main unit comprises cabinet body (5), cabinet body (5) is divided into control room (1), main bus bar chamber (2), operating mechanism chamber (3), cable vault (4) and pole chamber (24) by dividing plate, A phase, B phase and C be bus mutually, A phase, B phase and C be bus-bar insulator mutually, A phase, B phase and the isolated switch of C, A phase, B phase and the isolated switches conductive of C mechanism, A phase, B phase and the isolated driving mechanism for switches of C, A phase, B mutually and C pole mutually, A phase, B mutually and C mutually vacuum interrupter operating mechanism and A mutually, B phase and C phase current mutual inductor;
Main bus bar chamber (2) is positioned at the top of switch cubicle body (5), and A phase insulator (6), B phase insulator (7) and C insulator (8) mutually are installed in respectively in the main bus bar chamber (2); A phase insulator (6), B phase insulator (7) vertically are installed on the roof of main bus bar chamber (2), and C phase insulator (8) laterally is installed on the left side wall of main bus bar chamber (2); A phase insulator (6) lower end is provided with first junction block (31), and B phase insulator (7) lower end is provided with second junction block (32), and C phase insulator (8) right-hand member is provided with the 3rd junction block (33); A phase, B are connected with first junction block (31), second junction block (32) and the 3rd junction block (33) respectively with C phase bus mutually;
The top of A phase insulating cover (11) enters in the main bus bar chamber (2) by the hole (12) of bottom, main bus bar chamber (2), A phase insulating cover (11) the bottom in pole chamber (24) with A mutually insulation shell (19) connect; The quiet tool rest of the isolated switch of A (9) is fixed on the top of A phase insulating cover (11), the isolated switch of A (10) is positioned at A phase insulating cover (11) left side, A goes up the bottom that outlet seat (13) is positioned at A phase insulating cover (11) mutually, A goes up outlet seat (13) mutually and is embedded in the A phase pole (14), A goes up the lower end and the A quiet end connection of vacuum interrupter (20) mutually of outlet seat (13) mutually, and the lower end of the isolated switch of A (10) is gone up outlet seat (13) mutually with A and is coupling;
The isolated switches conductive of A mechanism comprises: the quiet tool rest of the isolated switch of A (9), the isolated switch of A (10) and A go up outlet seat (13) mutually;
The isolated driving mechanism for switches of A comprises: A phase insulated tension pole (15), A phase connecting lever (16) and A rotating shaft mutually (17); A phase insulated tension pole (15) and A connecting lever (16) mutually laterally are installed in the pole chamber (24); The right-hand member of A phase insulated tension pole (15) is hinged by hole (34) and the isolated switch of A (10), connecting lever (16) is hinged mutually with A for the left end of A phase insulated tension pole (15), the other end of A phase connecting lever (16) is fixed in the A phase rotating shaft (17), and A phase rotating shaft (17) is fixed on the right side wall of operating mechanism chamber (3) by A phase axle bed (18);
B is mutually structurally identical with the isolated driving mechanism for switches of C with the isolated switches conductive of C mechanism, B phase;
A phase, B mutually and C phase bus respectively by ground first junction block (31), second junction block (32) and the 3rd junction block (33) and A mutually, the B phase is connected with the quiet tool rest of the isolated switch of C;
A phase pole (14) laterally is installed in the pole chamber (24) that is positioned at dividing plate (30) top; A phase pole (14) comprises that A phase insulation shell (19), A phase vacuum interrupter (20), A phase insulated tension pole (21), A phase connecting lever (22), A go up outlet seat (13) and following mutually second junction block (32) of A mutually; A phase vacuum interrupter (20) is enclosed in the A phase insulation shell (19) admittedly with following mutually second junction block (32) of A, and A goes up outlet seat (13) mutually and embeds in the A phase pole (14);
A phase vacuum interrupter operating mechanism comprises A phase insulated tension pole (21) and A connecting lever (22) mutually; The right-hand member of A phase insulated tension pole (21) and A A phase conducting rod (36) connection of vacuum interrupter (20) moved end mutually, the left end of A phase insulated tension pole (21) and the A right-hand member of connecting lever (22) mutually are hinged, and the left end of A phase connecting lever (22) is connected with operating mechanism in operating mechanism chamber (3); A phase conductive clip (35) and A conducting rod (36) connection mutually; The left end of A phase insulation shell (19) is fixed on the outer wall of operating mechanism chamber (3);
B mutually and C pole mutually, the B phase is structurally identical with C phase vacuum interrupter operating mechanism;
A phase copper conduction band be flexible coupling (23) upper end and A mutually conductive clip (35) in A phase insulation shell (19), connect, A phase copper conduction band be flexible coupling the lower end of (23) and A mutually down second junction block (32) connect, A mutually down second junction block (32) and A mutually fuse (25) in the following outlet of A phase insulation shell (19), connect;
B mutually and C mutually the copper conduction band be flexible coupling, the B phase is structurally identical with C phase fuse;
Cable vault (4) is positioned at below, pole chamber (24), and A phase insulating cover (26) is installed in the cable vault (4); A phase current mutual inductor (27) is installed in the A phase insulating cover (26), and the stiff end of A phase current mutual inductor (27) is fixed on the rear wall of cable vault (4) after stretching out A phase insulating cover (26); The lower end of A phase fuse (25) is connected with the last leading-out terminal of A phase current mutual inductor (27) in A phase insulating cover (26); The last leading-out terminal of A phase earthed switch (28) "on" position and A phase current mutual inductor (27) is in parallel in the insulating cover (26) mutually at A, and A phase earthed switch (28) passes A phase insulating cover (26) by A phase grounding base (29) ground connection;
B mutually and the C phase current mutual inductor, B is structurally identical with C phase insulating cover with C phase earthed switch, B phase mutually;
Control room (1) is connected by bolt with the outer wall of main bus bar chamber (2).
2. a kind of small size vacuum ring main unit according to claim 1 is characterized in that: A phase insulation shell (19) is made by epoxy resin for barrel-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202212153U CN201797234U (en) | 2010-06-10 | 2010-06-10 | Small-sized vacuum ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202212153U CN201797234U (en) | 2010-06-10 | 2010-06-10 | Small-sized vacuum ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201797234U true CN201797234U (en) | 2011-04-13 |
Family
ID=43852133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202212153U Expired - Fee Related CN201797234U (en) | 2010-06-10 | 2010-06-10 | Small-sized vacuum ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201797234U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112999A (en) * | 2014-08-02 | 2014-10-22 | 郴州市东塘电气设备有限公司 | Solid insulation ring main unit |
| CN104577860A (en) * | 2013-10-24 | 2015-04-29 | 镇江华翔机电制造有限公司 | Box type alternating current metal-enclosed ring network switchgear |
| CN114284926A (en) * | 2021-12-27 | 2022-04-05 | 亨斯迈(杭州)电力技术有限公司 | Atmospheric air insulation switch equipment |
-
2010
- 2010-06-10 CN CN2010202212153U patent/CN201797234U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577860A (en) * | 2013-10-24 | 2015-04-29 | 镇江华翔机电制造有限公司 | Box type alternating current metal-enclosed ring network switchgear |
| CN104112999A (en) * | 2014-08-02 | 2014-10-22 | 郴州市东塘电气设备有限公司 | Solid insulation ring main unit |
| CN104112999B (en) * | 2014-08-02 | 2016-03-16 | 郴州市东塘电气设备有限公司 | A kind of solid insulation ring main unit |
| CN114284926A (en) * | 2021-12-27 | 2022-04-05 | 亨斯迈(杭州)电力技术有限公司 | Atmospheric air insulation switch equipment |
| CN114284926B (en) * | 2021-12-27 | 2023-12-15 | 亨斯迈(杭州)电力技术有限公司 | Atmospheric air insulation switch equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20180610 |