CN201134380Y - Three-station switch of 72.5 KV - Google Patents
Three-station switch of 72.5 KV Download PDFInfo
- Publication number
- CN201134380Y CN201134380Y CNU2007201851730U CN200720185173U CN201134380Y CN 201134380 Y CN201134380 Y CN 201134380Y CN U2007201851730 U CNU2007201851730 U CN U2007201851730U CN 200720185173 U CN200720185173 U CN 200720185173U CN 201134380 Y CN201134380 Y CN 201134380Y
- Authority
- CN
- China
- Prior art keywords
- fingertip spring
- moving contact
- branch bus
- spring
- contact spring
- 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.)
- Expired - Fee Related
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- Gas-Insulated Switchgears (AREA)
Abstract
Disclosed is a 72.5 kV three position switch which is characterized in that the 72.5 kV three position switch comprises an electric operating mechanism 1, an insulation stud 2, an insulator bracket 3, a metal conducting sleeve 4, a moving contact 5, an insulating base 6, a branch bus 7, a branch bus 8, a button contact spring 9, a button contact spring 10, a button contact spring 11, a button contact spring 12 and a grading shield 13, wherein the electric operating mechanism 1 is connected with the insulation stud 2, the insulation stud 2 is connected with the moving contact 5, the grading shield 13 is connected with the metal conducting sleeve 4, when the moving contact 5 is contacted with the button contact spring 10 and the button contact spring 11, the branch bus 7 reaches an earthing position, when the moving contact 5 is contact with the button contact spring 11 and the button contact spring 12, the branch bus reaches an isolated position, and when the moving contact 5 is contacted with the button contact spring 12 and the button contact spring 9, the branch bus reaches a conduction position. The 72.5 kV three position switch changes the conventional structure, improves the performance, and can be utilized as a high voltage switch.
Description
Technical field
The utility model relates to the mechano-electronic field, and a kind of 72.5kV three-station is provided especially.
Background technology
Isolating switch and earthed switch are the important electric components on the fixed switch cubicle, require isolating switch as the high pressure isolated component, and the safety guard when requiring earthed switch as maintenance plays important effect in whole electric power system.Now among the 72.5kV electric pressure GIS, isolating switch is respectively two different electric components with earthed switch, and such result is that to be directed at the switchgear volume bigger, the operating mechanism more complicated, and the while production cost is higher relatively again.
Three worker's switches of a kind of 72.5kV of the utility model can be finished the function of isolating switch, earthed switch, conducting simultaneously.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, and a kind of 72.5kV three-station is provided especially.
The utility model provides a kind of 72.5kV three-station, it is characterized in that: include motor-operating mechanism 1, insulation blanket stud 2, insulating support 3, metallic conduction sleeve 4, moving contact 5, insulator foot 6, branch bus 7, branch bus 8, fingertip spring 9, fingertip spring 10, fingertip spring 11, fingertip spring 12, grading shield 13; Wherein motor-operating mechanism 1 is connected with insulation blanket stud 2, insulation blanket stud 2 is connected with moving contact 5, grading shield 13 is connected with metallic conduction sleeve 4, moving contact 5 is with fingertip spring 10, when fingertip spring 11 contacts, branch bus 7 reaches earthing position, fingertip spring 10 is connected to ground wire, and branch bus 7, fingertip spring 11, moving contact 5, fingertip spring 10, earth connection form effective connection like this, reach earthing position; Moving contact 5 is with fingertip spring 11, when fingertip spring 12 contacts, and branch bus 7 reaches the isolated location, and at this moment branch bus 7 neither is connected with earth connection, also is not connected with branch bus 8, is in the electrical isolation state; Moving contact 5 is with fingertip spring 12, when fingertip spring 9 contacts, branch bus 7 reaches conduction position, be branch bus 7, fingertip spring 11, metallic conduction sleeve 4, fingertip spring 12, moving contact 5, fingertip spring 9, effectively connection of branch bus 8 formation, promptly branch bus 7 circuit breaker end that connects and the branch bus 8 main bus bar end that connects are effectively linked together, three-station is in conduction position.
Described 72.5kV three-station, insulation blanket stud 2 is connected with moving contact 5 by screw thread, drive insulation blanket stud 2 rotations by motor-operating mechanism 1, insulation blanket stud 2 rotations move up and down moving contact 5, contact with fingertip spring 9, fingertip spring 10, fingertip spring 11, fingertip spring 12 respectively.
Described 72.5kV three-station is equipped with non-magnetic metal grading shield 13 on the metallic conduction sleeve 4, by non-magnetic metal grading shield 13 uniform electric fields, guarantee that insulation is not breakdown.
The purpose of this utility model provides a kind of simple in structure, function admirable, and production cost is relatively low again can be applicable to 72.5kV gas-insulated switchgear three-station; Utilize motor-operating mechanism 1 to drive insulation blanket stud 2 and rotate, insulation blanket stud 2 drives moving contact 5 and moves along insulation blanket stud, when moving contact moves to diverse location, makes main circuit reach effective grounding, isolation, three kinds of states of conducting respectively.Utilize isolating switch and earthed switch in the alternative 72.5kV gas-insulated switchgear of a kind of three-station; Thereby reach simple in structure, easy to operate purpose.
Advantage of the present utility model: provide a kind of three-station to replace isolating switch and earthed switch, the volume of the switchgear that reduces, simple in structure, reduce production costs.
Description of drawings
Fig. 1 is a high pressure three-station schematic diagram.
Embodiment
Embodiment 1
Present embodiment provides a kind of 72.5kV three-station, includes motor-operating mechanism 1, insulation blanket stud 2, insulating support 3, metallic conduction sleeve 4, moving contact 5, insulator foot 6, branch bus 7, branch bus 8, fingertip spring 9, fingertip spring 10, fingertip spring 11, fingertip spring 12, grading shield 13; Wherein motor-operating mechanism 1 is connected with insulation blanket stud 2, insulation blanket stud 2 is connected with moving contact 5, grading shield 13 is connected with metallic conduction sleeve 4, moving contact 5 is with fingertip spring 10, when fingertip spring 11 contacts, branch bus 7 reaches earthing position, fingertip spring 10 is connected to ground wire, and branch bus 7, fingertip spring 11, moving contact 5, fingertip spring 10, earth connection form effective connection like this, reach earthing position; Moving contact 5 is with fingertip spring 11, when fingertip spring 12 contacts, and branch bus 7 reaches the isolated location, and branch bus 7 neither is connected with earth connection, also is not connected with branch bus 8, is in the electrical isolation state; Moving contact 5 is with fingertip spring 12, when fingertip spring 9 contacts, branch bus 7 reaches conduction position, be branch bus 7, fingertip spring 11, metallic conduction sleeve 4, fingertip spring 12, moving contact 5, fingertip spring 9, effectively connection of branch bus 8 formation, promptly branch bus 7 circuit breaker end that connects and the branch bus 8 main bus bar end that connects are effectively linked together, three-station is in conduction position.
The described 72.5kV three-station of present embodiment, insulation blanket stud 2 is connected with moving contact 5 by screw thread, drive insulation blanket stud 2 rotations by motor-operating mechanism 1, insulation blanket stud 2 rotations move up and down moving contact 5, contact with fingertip spring 9, fingertip spring 10, fingertip spring 11, fingertip spring 12 respectively.Described 72.5kV three stations of present embodiment, put switch, non-magnetic metal grading shield 13 is installed on the metallic conduction sleeve 4,, guarantee that insulation is not breakdown by non-magnetic metal grading shield 13 uniform electric fields.
Claims (2)
1, a kind of 72.5kV three-station is characterized in that: include motor-operating mechanism (1), insulation blanket stud (2), insulating support (3), metallic conduction sleeve (4), moving contact (5), insulator foot (6), branch bus (7), branch bus (8), fingertip spring (9), fingertip spring (10), fingertip spring (11), fingertip spring (12), grading shield (13); Wherein motor-operating mechanism (1) is connected with insulation blanket stud (2), and insulation blanket stud (2) is connected with moving contact (5), and grading shield (13) is connected with metallic conduction sleeve (4); Moving contact (5) and fingertip spring (10), fingertip spring (11) are when contacting, branch bus (7) reaches earthing position, moving contact (5) and fingertip spring (11), fingertip spring (12) are when contacting, branch bus (7) reaches the isolated location, moving contact (5) and fingertip spring (12), fingertip spring (9) are when contacting, and branch bus (7) reaches conduction position.
2, according to the described 72.5kV three-station of claim 1, it is characterized in that: insulation blanket stud (2) is connected with moving contact (5) by screw thread, drive insulation blanket stud (2) rotation by motor-operating mechanism (1), insulation blanket stud (2) rotation moves up and down moving contact (5), contacts with fingertip spring (9), fingertip spring (10), fingertip spring (11), fingertip spring (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201851730U CN201134380Y (en) | 2007-12-26 | 2007-12-26 | Three-station switch of 72.5 KV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201851730U CN201134380Y (en) | 2007-12-26 | 2007-12-26 | Three-station switch of 72.5 KV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201134380Y true CN201134380Y (en) | 2008-10-15 |
Family
ID=40062647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201851730U Expired - Fee Related CN201134380Y (en) | 2007-12-26 | 2007-12-26 | Three-station switch of 72.5 KV |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201134380Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280297A (en) * | 2011-07-19 | 2011-12-14 | 沈阳华利能源设备制造有限公司 | Three-position isolating switch |
| CN102403161A (en) * | 2012-01-12 | 2012-04-04 | 沈阳华德海泰电器有限公司 | Three-station switch with capability of breaking bus transfer current |
| CN102683119A (en) * | 2012-01-05 | 2012-09-19 | 武汉市蓝电电子有限公司 | Motor-driven ultrahigh current relay |
| CN104246950A (en) * | 2012-04-20 | 2014-12-24 | 赖茵豪森机械制造公司 | On-load tap changer |
-
2007
- 2007-12-26 CN CNU2007201851730U patent/CN201134380Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280297A (en) * | 2011-07-19 | 2011-12-14 | 沈阳华利能源设备制造有限公司 | Three-position isolating switch |
| CN102280297B (en) * | 2011-07-19 | 2013-08-07 | 沈阳华利能源设备制造有限公司 | Three-position isolating switch |
| CN102683119A (en) * | 2012-01-05 | 2012-09-19 | 武汉市蓝电电子有限公司 | Motor-driven ultrahigh current relay |
| CN102403161A (en) * | 2012-01-12 | 2012-04-04 | 沈阳华德海泰电器有限公司 | Three-station switch with capability of breaking bus transfer current |
| CN102403161B (en) * | 2012-01-12 | 2014-05-14 | 沈阳华德海泰电器有限公司 | Three-station switch with capability of breaking bus transfer current |
| CN104246950A (en) * | 2012-04-20 | 2014-12-24 | 赖茵豪森机械制造公司 | On-load tap changer |
| CN104246950B (en) * | 2012-04-20 | 2017-02-22 | 赖茵豪森机械制造公司 | On-load tap changer |
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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 |
Granted publication date: 20081015 Termination date: 20161226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |