CN201498869U - Vacuum ring main unit - Google Patents
Vacuum ring main unit Download PDFInfo
- Publication number
- CN201498869U CN201498869U CN2009202310562U CN200920231056U CN201498869U CN 201498869 U CN201498869 U CN 201498869U CN 2009202310562 U CN2009202310562 U CN 2009202310562U CN 200920231056 U CN200920231056 U CN 200920231056U CN 201498869 U CN201498869 U CN 201498869U
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- China
- Prior art keywords
- vacuum
- operating mechanism
- contact
- switch
- tension pole
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- Expired - Fee Related
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Abstract
The utility model discloses a vacuum ring main unit used for the filed of electrical control devices for switches. The vacuum ring main unit comprises a vacuum switch, an isolating switch, a circular main bus and a sleeve pipe which are all arranged in a switchgear body, wherein the vacuum switch comprises a vacuum arc-extinguish chamber, a vacuum switch operating mechanism and an insulating tension pole, wherein the vacuum switch operating mechanism is linked with the insulating tension pole, and the lower end of the insulating tension pole is connected with a movable end of the vacuum arc-extinguish chamber; a fixed contact of the isolating switch is connected with the circular main bus; an isolating switch operating mechanism is interlocked with the vacuum switch operating mechanism, an insulated chamber is arranged in the switchgear body, main body parts for the vacuum switch and the isolating switch are arranged in the insulated chamber, a moving contact of the isolating switch is fixed on the inner side of the insulated chamber, and the moving contact is in flexible connection with the movable end of the vacuum arc-extinguish chamber in the insulated chamber through conductive material; the sleeve pipe extends into the insulated chamber to be connected with a fixed end at the lower end of the vacuum arc-extinguish chamber; and the insulating tension pole is encapsulated in an insulator made of epoxy rein material. The vacuum ring main unit has the advantages of compact structure, small volume and further enhanced insulating property.
Description
Technical field
The utility model belongs to switch electrical control gear field, particularly a kind of ring main unit.
Background technology
In the prior art, a kind of small size vacuum ring main unit is arranged, its patent No. is ZL200720036344.3, its structure mainly includes vacuum switch, isolating switch, circular main bus bar and the sleeve pipe that is provided with in the cabinet, described vacuum switch is made of vacuum interrupter, vacuum switch operating mechanism and insulated tension pole, vacuum switch operating mechanism and insulated tension pole interlock, the insulated tension pole lower end links to each other with the moved end of vacuum interrupter; Described isolating switch is made of fixed contact, contact knife, isolation pull bar, grounding contact, isolator operating mechanism and moving contact, isolating the pull bar upper end links to each other with isolator operating mechanism, isolating the pull bar lower end links to each other with the contact knife middle part, contact knife one end and moving contact are hinged, the contact knife other end is corresponding with fixed contact and grounding contact respectively, and fixed contact is connected with circular main bus bar; Isolator operating mechanism is interlocked mutually with the vacuum switch operating mechanism, be provided with the hollow insulation chamber of upper opening in the cabinet, isolator operating mechanism and vacuum switch operating mechanism are fixed on insulation chamber upside, it is indoor that the remaining part of vacuum switch and isolating switch all is arranged on insulation, the moving contact of described isolating switch is fixed on the insulation indoor, and moving contact and vacuum interrupter moved end indoorly are flexible coupling through electric conducting material insulating; Sleeve pipe stretches into insulation and indoorly links to each other with the quiet end of vacuum interrupter lower end.When this device uses, some insulation chamber can be set according to the number of phases of circular main bus bar, when isolating switch during at closing position, vacuum switch closes a floodgate, major loop is connected, this moment is because the interlocking effect of isolator operating mechanism and vacuum switch operating mechanism, isolating switch can not be opened, have only behind vacuum switch separating brake, isolating switch just can be opened, and after isolating switch was opened, contact knife and grounding contact were connected, can close vacuum switch this moment, and major loop is grounded through sleeve pipe, vacuum switch, contact knife, grounding contact.In the above-mentioned course of work, the insulation chamber is isolated with the charged workpiece of each corresponding isolating switch and vacuum switch, has improved the class of insulation, makes it simple and compact for structure, and volume is little, the reliability height; Its weak point exists: the insulation property of this device are still not high enough, also have the leeway of further improving.
The utility model content
The purpose of this utility model is to provide a kind of vacuum ring main unit, makes its compact conformation, good insulating.
For achieving the above object, vacuum ring main unit provided by the utility model, comprise the vacuum switch, isolating switch, circular main bus bar and the sleeve pipe that are provided with in the cabinet, described vacuum switch is made of vacuum interrupter, vacuum switch operating mechanism and insulated tension pole, vacuum switch operating mechanism and insulated tension pole interlock, the insulated tension pole lower end links to each other with the moved end of vacuum interrupter; Described isolating switch is made of fixed contact, contact knife, isolation pull bar, grounding contact, isolator operating mechanism and moving contact, isolating the pull bar upper end links to each other with isolator operating mechanism, isolating the pull bar lower end links to each other with the contact knife middle part, contact knife one end and moving contact are hinged, the contact knife other end is corresponding with fixed contact and grounding contact respectively, and fixed contact is connected with circular main bus bar; Isolator operating mechanism is interlocked mutually with the vacuum switch operating mechanism, be provided with the hollow insulation chamber of upper opening in the cabinet, isolator operating mechanism and vacuum switch operating mechanism are fixed on insulation chamber upside, it is indoor that the remaining part of vacuum switch and isolating switch all is arranged on insulation, the moving contact of described isolating switch is fixed on the insulation indoor, and moving contact and vacuum interrupter moved end indoorly are flexible coupling through electric conducting material insulating; Sleeve pipe stretches into insulation and indoorly links to each other with the quiet end of vacuum interrupter lower end; It is characterized in that: described insulated tension pole is encapsulated in the insulator that epoxide resin material makes.
The beneficial effect of this device is: because insulated tension pole is encapsulated in the insulator that epoxy resin makes, epoxy resin itself has the good insulation performance performance, can improve the insulation property of insulated tension pole, gap between the adjacent insulated tension pole can reduce, can further reduce the volume of vacuum ring main unit like this, make its structure compact more, insulation property are better.
Description of drawings
Fig. 1 is the utility model structural representation.
Wherein, 1 isolator operating mechanism, 2 isolate pull bar 3, contact knife, 4 fixed contacts, 5 circular main bus bars, 6 sleeve pipes, 7 cabinets, 8 insulators, 9 vacuum interrupters, 10 moving contacts, insulation chambers 1112,13 insulated tension poles, 14 grounding contacts, 15 vacuum switch operating mechanisms.
Embodiment
As shown in the figure, in cabinet 7, be provided with vacuum switch, isolating switch, circular main bus bar 5 and sleeve pipe 6 or the like; Vacuum switch is made of vacuum interrupter 9, vacuum switch operating mechanism 15 and insulated tension pole 13, vacuum switch operating mechanism 15 and insulated tension pole 13 interlocks, and insulated tension pole 13 lower ends link to each other with the moved end 11 of vacuum interrupter 9; Described isolating switch is made of fixed contact 4, contact knife 3, isolation pull bar 2, grounding contact 14, isolator operating mechanism 1 and moving contact 10, isolating pull bar 2 upper ends links to each other with isolator operating mechanism, isolating pull bar 2 lower ends links to each other with contact knife 3 middle parts, contact knife 3 one ends and moving contact 10 are hinged, contact knife 3 other ends are corresponding with fixed contact 4 and grounding contact 14 respectively, when contact knife 3 rotates around pin joint, can connect fixed contact 4 or grounding contact 14 respectively, fixed contact 4 is connected with circular main bus bar 5; Isolator operating mechanism 1 is interlocked mutually with vacuum switch operating mechanism 15, be provided with the hollow insulation chamber 12 of upper opening in the cabinet 7, isolator operating mechanism 1 is fixed on insulation chamber 12 upsides with vacuum switch operating mechanism 15, the remaining part of vacuum switch and isolating switch all is arranged in the insulation chamber 12, the moving contact 10 of described isolating switch is fixed on insulation 12 inboards, chamber, and moving contact 10 is flexible coupling through electric conducting material in insulation chamber 12 with vacuum interrupter 9 moved ends; Sleeve pipe 6 stretches in the insulation chamber 12 and links to each other with the quiet end of vacuum interrupter 9 lower ends; Described insulated tension pole is encapsulated in the insulator that epoxide resin material makes.
In the said structure, a single-phase electricity air circuit can be formed in each insulation chamber 12, a three-phase electricity air circuit unit can be formed in per three insulation chambers, the chamber 12 of promptly insulating can be set side by side with three, three-phase corresponding to power supply, an insulation chamber also can be set, and its inside is separated into and corresponding three separate space of three-phase electricity.
During work, some insulation chamber 12 can be set according to the number of phases of circular main bus bar 5, only behind the vacuum switch separating brake, just can disconnecting switch operation; When isolating switch during at closing position, vacuum switch closes a floodgate, major loop is connected, and this moment is because the interlocking effect of isolator operating mechanism 1 and vacuum switch operating mechanism 15 can not be opened isolating switch, have only behind vacuum switch separating brake, isolating switch just can be opened, and after isolating switch was opened, contact knife 3 was connected with grounding contact 14, can close vacuum switch this moment, and major loop is grounded through sleeve pipe 6, vacuum switch, contact knife 3, grounding contact 14.In the above-mentioned course of work, insulation chamber 12 is isolated with the charged workpiece of each corresponding isolating switch and vacuum switch, and insulator 8 makes the class of insulation of insulated tension pole further improve.
The utility model is not limited to the foregoing description, as required, can make it to form two electric loop unit, three electric loop unit, four electric loop unit by a plurality of insulation chamber is set, and also can be five even more a plurality of electric loops unit.
Claims (1)
1. vacuum ring main unit, comprise the vacuum switch, isolating switch, circular main bus bar and the sleeve pipe that are provided with in the cabinet, described vacuum switch is made of vacuum interrupter, vacuum switch operating mechanism and insulated tension pole, vacuum switch operating mechanism and insulated tension pole interlock, the insulated tension pole lower end links to each other with the moved end of vacuum interrupter; Described isolating switch is made of fixed contact, contact knife, isolation pull bar, grounding contact, isolator operating mechanism and moving contact, isolating the pull bar upper end links to each other with isolator operating mechanism, isolating the pull bar lower end links to each other with the contact knife middle part, contact knife one end and moving contact are hinged, the contact knife other end is corresponding with fixed contact and grounding contact respectively, and fixed contact is connected with circular main bus bar; Isolator operating mechanism is interlocked mutually with the vacuum switch operating mechanism, be provided with the hollow insulation chamber of upper opening in the cabinet, isolator operating mechanism and vacuum switch operating mechanism are fixed on insulation chamber upside, it is indoor that the remaining part of vacuum switch and isolating switch all is arranged on insulation, the moving contact of described isolating switch is fixed on the insulation indoor, and moving contact and vacuum interrupter moved end indoorly are flexible coupling through electric conducting material insulating; Sleeve pipe stretches into insulation and indoorly links to each other with the quiet end of vacuum interrupter lower end; It is characterized in that: described insulated tension pole is encapsulated in the insulator that epoxide resin material makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202310562U CN201498869U (en) | 2009-09-02 | 2009-09-02 | Vacuum ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202310562U CN201498869U (en) | 2009-09-02 | 2009-09-02 | Vacuum ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201498869U true CN201498869U (en) | 2010-06-02 |
Family
ID=42442065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202310562U Expired - Fee Related CN201498869U (en) | 2009-09-02 | 2009-09-02 | Vacuum ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201498869U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290733A (en) * | 2011-08-22 | 2011-12-21 | 宁波耀华电气科技有限责任公司 | Total solid insulating ring network cabinet |
| CN102738727A (en) * | 2012-06-26 | 2012-10-17 | 江苏帝一集团有限公司 | Miniature intelligent permanent magnet vacuum ring main unit |
| CN103269018A (en) * | 2013-06-14 | 2013-08-28 | 北京合纵科技股份有限公司 | Intelligent ring main unit with voltage protective function |
| CN103296606A (en) * | 2013-06-08 | 2013-09-11 | 扬州新概念电气有限公司 | Multi-functional solid seal assembly |
| CN103354190A (en) * | 2013-06-26 | 2013-10-16 | 国家电网公司 | Isolation grounding switch device and solid insulating switch using same |
| CN103368096A (en) * | 2013-06-26 | 2013-10-23 | 国家电网公司 | Solid insulation ring main unit |
-
2009
- 2009-09-02 CN CN2009202310562U patent/CN201498869U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290733A (en) * | 2011-08-22 | 2011-12-21 | 宁波耀华电气科技有限责任公司 | Total solid insulating ring network cabinet |
| CN102290733B (en) * | 2011-08-22 | 2015-04-22 | 宁波耀华电气科技有限责任公司 | Total solid insulating ring network cabinet |
| CN102738727A (en) * | 2012-06-26 | 2012-10-17 | 江苏帝一集团有限公司 | Miniature intelligent permanent magnet vacuum ring main unit |
| CN103296606A (en) * | 2013-06-08 | 2013-09-11 | 扬州新概念电气有限公司 | Multi-functional solid seal assembly |
| CN103269018A (en) * | 2013-06-14 | 2013-08-28 | 北京合纵科技股份有限公司 | Intelligent ring main unit with voltage protective function |
| CN103269018B (en) * | 2013-06-14 | 2016-02-24 | 北京合纵科技股份有限公司 | There is the intelligent ring main unit of voltage protection function |
| CN103354190A (en) * | 2013-06-26 | 2013-10-16 | 国家电网公司 | Isolation grounding switch device and solid insulating switch using same |
| CN103368096A (en) * | 2013-06-26 | 2013-10-23 | 国家电网公司 | Solid insulation ring main unit |
| CN103368096B (en) * | 2013-06-26 | 2016-02-17 | 国家电网公司 | Solid insulation ring main unit |
| CN103354190B (en) * | 2013-06-26 | 2017-03-22 | 国家电网公司 | Isolation grounding switch device and solid insulating switch using same |
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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: 20100602 Termination date: 20170902 |