CN105719894A - Indoor high-voltage alternating-current isolating load switch - Google Patents
Indoor high-voltage alternating-current isolating load switch Download PDFInfo
- Publication number
- CN105719894A CN105719894A CN201610185279.4A CN201610185279A CN105719894A CN 105719894 A CN105719894 A CN 105719894A CN 201610185279 A CN201610185279 A CN 201610185279A CN 105719894 A CN105719894 A CN 105719894A
- Authority
- CN
- China
- Prior art keywords
- switch
- isolation
- isolating
- load switch
- interrupter
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/46—Interlocking mechanisms
- H01H33/52—Interlocking mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H33/6661—Combination with other type of switch, e.g. for load break switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/66223—Details relating to the sealing of vacuum switch housings
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses an indoor high-voltage alternating-current isolating load switch. The load switch comprises a vacuum arc-extinguishing chamber and an isolating switch, wherein three insulating pull rods are connected with the output shaft of an isolating mechanism to drive the vacuum arc-extinguishing chamber to perform switch-off and switch-on actions; the isolating switch is connected with an earthing switch; the isolating switch is driven by an isolating pull rod formed by three reinforced nylon connecting blocks and the insulating pull rods; isolating blades are arranged in the connecting blocks in a sleeving manner; the space between the two isolating blades is in contact with a static contact finger; the fan-shaped gear of the isolating mechanism main shaft drives the isolating pull rod to move so as to realize the switch-on and grounding motions of the isolating switch; and when the isolating load switch is in the grounding position, the wire-outlet primary side is directly grounded. The indoor high-voltage alternating-current isolating load switch has the advantages of 1) reducing the volume of the switch and optimizing the electric field distribution of the switch; 2) improving the environmental protection property of the product and satisfying the environmental protection requirement; 3) reducing maintenance and prolonging the service life of the equipment; 4) improving the safety of the equipment; 5) satisfying a visible obvious disconnecting-opening function according to cabinet state grid requirement; and 6) independent operations of the vacuum arc-extinguishing chamber operation mechanism and the isolating switch operation mechanism, and a forceful ''five preventions'' mechanical interlocking between the vacuum arc-extinguishing chamber operation mechanism and the isolating switch operation mechanism.
Description
Technical field
The present invention relates to a kind of indoor HVAC isolation on-load switch, belong to high-voltage alternating isolation circuit breakers technical field.
Background technology
The indoor HVAC isolation on-load switch that current domestic manufacturer produces: three-phase is common box type, it is easy to make fault spread；There is no obvious visible isolation fracture；Mechanism's parts are many, structure is complicated, and parts machining technique, assembly technology are comparatively laborious.The transmission link of mechanism is many, parts are also easy to abrasion, thus causing that the mechanical life of mechanism is short, keeps in repair excessively loaded down with trivial details.
Summary of the invention
What the present invention proposed is a kind of indoor HVAC isolation on-load switch, and it is directed to the drawbacks described above overcome existing for prior art, and vacuum interrupter operating mechanism and isolator operating mechanism independently operate, and between have compulsory " five is anti-" mechanical interlocking；Make properties of product more stable, simple to operate, reliable.
The technical solution of the present invention: indoor HVAC isolation on-load switch, its structure includes vacuum interrupter, isolation switch, and described vacuum interrupter is to be linked together by the output shaft of three insulated tension poles and interrupter, drive vacuum interrupter deciliter action, keep apart pass and connect earthing；
The isolation pull bar that described isolation switch is made up of three enhancing nylon contiguous blocks, insulated tension poles, isolation blade is enclosed within contiguous block, contact with static contact finger in the middle of two isolation blades, drive isolation pull bar to take exercises by the sector gear of interrupter main shaft, it is achieved the conjunction position of isolation switch and ground connection.
Operation principle: sealing pole note 1, breaker mechanism 5, interrupter 10 are arranged on mechanism's installing plate by bolt；Vacuum interrupter 3 is directly cast in inside sealing pole note 1, insulated tension pole 2 adopts screw to be arranged on the moved end of vacuum interrupter 3 by mechanism's installing plate 11, sealing ring 6, insulated tension pole 2 other end and circuit breaker operation mechanism 5 couple, and circuit breaker operation mechanism 5 drives vacuum interrupter 3 to do a deciliter motion by insulated tension pole 2；Isolation switch 4 and isolation pull bar 9 make isolation switch 4 do conjunction position and ground connection motion by interrupter 10 transmission；By observation window 8 it can directly be seen that isolation switchs the position of 4.
Advantages of the present invention:
1) have employed and three arc-chutes are independently cast in three pole notes, galvanic circle individual compartment, it is greatly reduced the volume of switch and optimizes the Electric Field Distribution of switch；
2) have employed totally-enclosed solid insulation, will not produce harmful substance at work, and all parts reach service life after all recyclable, improve the feature of environmental protection of product greatly, adapt to environmental requirement；
3) owing to all electrical bodies are all built or are arranged in epoxy resin part, and equipped with seal washer, the impact on cabinet electric property of the external environment condition such as steam, dust will not be subject to, decrease the maintenance of equipment, extend service life；
4) due to electrical body all at epoxy inner, and the place likely producing induced voltage is sprayed with semiconductor substance outside epoxy resin, by this material by induced voltage ground connection, accordingly even when people touches without producing Danger Electric shock risk, improve the safety of equipment；
5) before and after pole, design has and can be visually seen isolated port situation observation panel, and inspection section, equipped with sealing ring, implosion guard etc., meets the visible substantially fracture function of cabinet state network technology requirement；
6) vacuum interrupter operating mechanism and isolator operating mechanism independently operate, and between have compulsory " five prevent " mechanical interlocking.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of indoor HVAC isolation on-load switch.
In accompanying drawing, 1 is pole, and 2 is insulated tension pole, and 3 is vacuum interrupter, and 4 is isolation switch, 5 is circuit breaker operation mechanism, and 6 is " O " caulking gum packing ring, and 7 is implosion guard, and 8 is observation window, 9 is isolation pull bar, and 10 is interrupter, and 11 is mechanism's installing plate, and 12 is earthing.
Detailed description of the invention
Comparison accompanying drawing, indoor HVAC isolation on-load switch, its structure includes vacuum interrupter 3, isolation switch 4, described vacuum interrupter 3 is to be linked together by the output shaft of three insulated tension poles 2 and interrupter 10, drives vacuum interrupter deciliter action, keeps apart pass and connects earthing.
The isolation pull bar 9 that described isolation switch 4 is made up of three enhancing nylon contiguous blocks, insulated tension poles 2, isolation blade is enclosed within contiguous block, contact with static contact finger in the middle of two isolation blades, drives isolation pull bar 9 to take exercises by the sector gear of interrupter main shaft, it is achieved isolate switch deciliter.
Equipped with " O " caulking gum packing ring 6 between described isolation switch 4 motions place and mechanism's installing plate 11.
Described three insulated tension poles 2 connect the three-phase spur rack that the sector gear of circuit breaker operation mechanism 5 connects.
Described mechanism installing plate 11 is installed isolation fracture observation window 8.
Equipped with implosion guard 7, " O " caulking gum packing ring 6 between described isolation fracture observation window 8 and interrupter 10, observation window 8 is in alignment with the observation panel on pole 1 body.
During enforcement,
Pole 1 is fixed by bolts on mechanism's installing plate 11, equipped with " O " caulking gum packing ring 6 between insulated tension pole 2 motion place and mechanism's installing plate 11, circuit breaker operation mechanism 5 connects three insulated tension poles 2, equipped with " O " caulking gum packing ring 6 between isolation switch 4 motions place and mechanism's installing plate 11, the sector gear of circuit breaker operation mechanism 5 connects three-phase spur rack, and three-phase spur rack connects three insulated tension poles 2；Isolation fracture observation window 8 is arranged on mechanism's installing plate 11, equipped with implosion guard 7, " O " caulking gum packing ring 6 between isolation fracture observation window 8 and interrupter 10, observation panel on note 1 body of sealing pole and observation window 8 straight line, it is ensured that front and back are it can be seen that isolation fracture；We simplify assembly technology, are more conducive to personnel's assembling.Minimizing personnel's installation time, improves efficiency.
Claims (5)
1. indoor HVAC isolation on-load switch, it is characterized in that including vacuum interrupter, isolation switch, described vacuum interrupter is to be linked together by the output shaft of three insulated tension poles and interrupter, drive vacuum interrupter deciliter action, keep apart pass and connect earthing；
The isolation pull bar that described isolation switch is made up of three enhancing nylon contiguous blocks, insulated tension poles, isolation blade is enclosed within contiguous block, contact with static contact finger in the middle of two isolation blades, drive isolation pull bar to take exercises by the sector gear of interrupter main shaft, it is achieved the conjunction position of isolation switch and ground connection.
2. indoor HVAC according to claim 1 isolation on-load switch, is characterized in that between described isolation switch motion place and mechanism's installing plate equipped with " O " caulking gum packing ring.
3. indoor HVAC according to claim 1 isolation on-load switch, is characterized in that described three insulated tension poles connect the three-phase spur rack that the sector gear of circuit breaker operation mechanism connects.
4. indoor HVAC according to claim 2 isolation on-load switch, is characterized in that installation isolation fracture observation window on described mechanism installing plate.
5. indoor HVAC according to claim 4 isolation on-load switch, is characterized in that, equipped with implosion guard, " O " caulking gum packing ring between described isolation fracture observation window and interrupter, observation window is in alignment with the observation panel on pole body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185279.4A CN105719894A (en) | 2016-03-29 | 2016-03-29 | Indoor high-voltage alternating-current isolating load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185279.4A CN105719894A (en) | 2016-03-29 | 2016-03-29 | Indoor high-voltage alternating-current isolating load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105719894A true CN105719894A (en) | 2016-06-29 |
Family
ID=56159326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610185279.4A Pending CN105719894A (en) | 2016-03-29 | 2016-03-29 | Indoor high-voltage alternating-current isolating load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105719894A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653458A (en) * | 2016-12-20 | 2017-05-10 | 北京双杰电气股份有限公司 | Three-phase isolating switch |
| CN110571095A (en) * | 2019-09-22 | 2019-12-13 | 甘肃容和矿用设备集团有限公司 | electric interlocking mechanism for isolating reversing switch door |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2854794Y (en) * | 2005-12-06 | 2007-01-03 | 缪元昌 | Indoor AC hightension enclosed load switch |
| CN101340066A (en) * | 2007-07-05 | 2009-01-07 | 北京双杰配电自动化设备有限公司 | Solid insulating fully enclosed looped network cabinet |
| CN202549699U (en) * | 2012-04-01 | 2012-11-21 | 厦门环缘电力科技有限公司 | Switch circuit breaker |
| CN203674064U (en) * | 2013-12-31 | 2014-06-25 | 杭州曙光电器有限公司 | Split type solid-sealed post terminal structure |
| CN204696030U (en) * | 2015-05-20 | 2015-10-07 | 保定通力电器设备有限公司 | A kind of Mainspring type outdoor vacuum circuit breaker |
-
2016
- 2016-03-29 CN CN201610185279.4A patent/CN105719894A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2854794Y (en) * | 2005-12-06 | 2007-01-03 | 缪元昌 | Indoor AC hightension enclosed load switch |
| CN101340066A (en) * | 2007-07-05 | 2009-01-07 | 北京双杰配电自动化设备有限公司 | Solid insulating fully enclosed looped network cabinet |
| CN202549699U (en) * | 2012-04-01 | 2012-11-21 | 厦门环缘电力科技有限公司 | Switch circuit breaker |
| CN203674064U (en) * | 2013-12-31 | 2014-06-25 | 杭州曙光电器有限公司 | Split type solid-sealed post terminal structure |
| CN204696030U (en) * | 2015-05-20 | 2015-10-07 | 保定通力电器设备有限公司 | A kind of Mainspring type outdoor vacuum circuit breaker |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653458A (en) * | 2016-12-20 | 2017-05-10 | 北京双杰电气股份有限公司 | Three-phase isolating switch |
| CN110571095A (en) * | 2019-09-22 | 2019-12-13 | 甘肃容和矿用设备集团有限公司 | electric interlocking mechanism for isolating reversing switch door |
| CN110571095B (en) * | 2019-09-22 | 2024-04-26 | 甘肃容和矿用设备集团有限公司 | Isolated reversing switch door electric interlocking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160629 |