CN102769258A - Efficient hydrogen insulation ring net cabinet - Google Patents
Efficient hydrogen insulation ring net cabinet Download PDFInfo
- Publication number
- CN102769258A CN102769258A CN2012102773058A CN201210277305A CN102769258A CN 102769258 A CN102769258 A CN 102769258A CN 2012102773058 A CN2012102773058 A CN 2012102773058A CN 201210277305 A CN201210277305 A CN 201210277305A CN 102769258 A CN102769258 A CN 102769258A
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- Prior art keywords
- isolating switch
- vacuum circuit
- moving contact
- nitrogen
- enclosed housing
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Abstract
The invention relates to an efficient hydrogen insulation ring net cabinet which comprises a closed box, an isolation switch, a vacuum circuit breaker and an operating mechanism. The isolation switch and the vacuum circuit breaker are arranged on the closed box respectively, the closed box is filled with hydrogen, and the operating mechanism controls both the isolation switch and disconnection and connection of a moving contact and a fixed contact on the vacuum circuit breaker. Movement of a disconnecting link of the isolation switch can be controlled only by the operating mechanism to drive the moving contact of the vacuum circuit breaker to move to contact with or be disconnected with the fixed contact of the vacuum circuit breaker, so that the integral structure is compact, energy utilization rate is greatly improved; and in addition, the hydrogen is adopted as an insulation medium, so that atmospheric environment is protected, and the efficient hydrogen insulation ring net cabinet is more environment-friendly.
Description
Technical field
The present invention relates to a kind of improvement of nitrogen insulation ring main unit; The nitrogen insulation ring main unit of the transmission of particularly operating mechanism of a kind of need action that is may command isolating switch and vacuum circuit-breaker, compact conformation, energy efficient rate belongs to the switchgear technical field.
Background technology
Vacuum interrupter in the nitrogen insulation ring main unit bears higher voltage withstand class, makes that the vacuum extinction chamber size is bigger, finally causes the vacuum circuit-breaker size very big.Existing nitrogen insulation ring main unit all adopts the two-part structure; Be that main electric loop is formed in isolating switch and vacuum circuit-breaker and electric conductor coupling part; In general need adopt two operating mechanisms to give isolating switch and the corresponding energy of vacuum circuit-breaker respectively, guarantee normal on/off switch.The operating mechanism of existing vacuum circuit-breaker generally adopts spring operating mechanism; Energy that spring operating mechanism is exported and the movement travel of vacuum interrupter moving contact are to be inversely proportional to, and stroke is long more, and energy is few more; It is the curve of a decay; And the required energy of vacuum circuit-breaker is to be directly proportional with the moving contact movement travel, and promptly stroke is long more, and energy is big more.The very big energy of needs when this just causes spring operating mechanism initial; Guarantee when the moving contact motion finishes; Energy after the decay also can satisfy the required ceiling capacity of moving contact; This causes the loss of energy in the nitrogen insulation ring main unit very big, and the needed spring strength of operating mechanism is very big, has increased the cost of whole switchgear.
Summary of the invention
The nitrogen insulation ring main unit of the transmission of the action that to the object of the present invention is to provide operating mechanism of a kind of need be may command isolating switch and vacuum circuit-breaker, compact conformation, energy efficient rate.
The present invention realizes through following technical scheme: a kind of insulation of nitrogen efficiently ring main unit comprises enclosed housing, isolating switch, vacuum circuit-breaker, operating mechanism; Said isolating switch, vacuum circuit-breaker are separately positioned in the enclosed housing; Be full of nitrogen in the said enclosed housing; Said isolating switch comprises isolating switch body, transmission guide rod, tooth bar, gear, isolating switch disconnecting link; Said isolating switch disconnecting link is arranged on the isolating switch body interior; Said tooth bar is arranged on the isolating switch disconnecting link; Said gear is arranged on the isolating switch body, and meshes with tooth bar; One end of said transmission guide rod is arranged on the gear; Said vacuum circuit-breaker comprises vacuum circuit breaker body, butterfly spring, tripping spring, bellows, vacuum interrupter, cavity, briquetting assembly, contiguous block, moving contact, fixed contact; Said vacuum interrupter is arranged on the bottom of vacuum circuit breaker body; Said cavity is arranged on the top of vacuum circuit breaker body; Said fixed contact is fixedly installed on the bottom of vacuum interrupter; The contact portion of said moving contact is arranged on the top of vacuum interrupter; The bar portion of said moving contact stretches in the cavity; Said bellows is set on the moving contact, and it is indoor to be positioned at vacuum extinction; Said contiguous block is set in the top of the bar portion of moving contact; Said tripping spring is arranged between the bottom and bottom of contiguous block; Said briquetting assembly is arranged on the top of contiguous block; Said butterfly spring is arranged between briquetting assembly and the contiguous block; Said operating mechanism control transmission guide rod rotatablely moves; When transmission guide rod rotates, the motion of gear driven tooth bar, rack drives isolating switch disconnecting link down moves to insert in the cavity and withstands the briquetting assembly; Said briquetting assembly drives moving contact and down moves until contacting with fixed contact.
Preferably, said briquetting assembly is provided with push rod; Said push rod passes the screw top of the bar portion of contiguous block and moving contact and fixes.
Preferably, said enclosed housing is provided with the nitrogen fill valve door, with the convenient nitrogen of annotating in the enclosed housing of giving.
Preferably, the bottom of said enclosed housing is provided with rupture pressure disc.
Preferably, said enclosed housing is to be processed by metal material.
Beneficial effect of the present invention is embodied in: high efficiency nitrogen insulation ring main unit of the present invention; Through an operating mechanism is the motion of may command isolation switch blade lock; Thereby drive the moving contact motion of vacuum circuit-breaker; It is contacted with the vacuum circuit-breaker fixed contact or break off, the present invention program makes the entire equipment compact conformation, and energy utilization ratio increases substantially; Adopt nitrogen as dielectric in addition, protection atmosphere environment has more environmental protection characteristic.
Description of drawings
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
Cutaway view when Fig. 1 is the insulation of nitrogen efficiently ring main unit isolating switch of the present invention disconnection, vacuum circuit-breaker off-state;
Fig. 2 is the A-A cutaway view among Fig. 1;
Cutaway view when Fig. 3 is the insulation of nitrogen efficiently ring main unit isolating switch of the present invention conducting, vacuum circuit-breaker conducting state;
Fig. 4 is the B-B cutaway view among Fig. 1;
Wherein: 1, isolating switch body; 2, transmission guide rod; 3, tooth bar; 4, gear; 5, isolating switch disconnecting link; 6, vacuum circuit breaker body; 7, butterfly spring; 8, tripping spring; 9, bellows; 10, vacuum interrupter; 11, operating mechanism; 12, cavity; 13, briquetting assembly; 14, contiguous block; 15, moving contact; 16, fixed contact.
Embodiment
Below in conjunction with accompanying drawing the present invention is described.
Be depicted as a kind of insulation of nitrogen efficiently ring main unit of the present invention like accompanying drawing 1-4, comprise enclosed housing (not marking), isolating switch, vacuum circuit-breaker, operating mechanism 11; Said isolating switch, vacuum circuit-breaker are separately positioned in the enclosed housing; Be full of nitrogen in the said enclosed housing; Said isolating switch comprises isolating switch body 1, transmission guide rod 2, tooth bar 3, gear 4, isolating switch disconnecting link 5; Said isolating switch disconnecting link 5 is arranged on isolating switch body 1 inside movingly; Said tooth bar 3 is arranged on the isolating switch disconnecting link 5; Said gear 4 is arranged on the isolating switch body 1, and meshes with tooth bar 3; One end of said transmission guide rod 2 is arranged on the gear 4; Said vacuum circuit-breaker comprises vacuum circuit breaker body 6, butterfly spring 7, tripping spring 8, bellows 9, vacuum interrupter 10, cavity 12, briquetting assembly 13, contiguous block 14, moving contact 15, fixed contact 16; Said vacuum interrupter 10 is arranged on the bottom of vacuum circuit breaker body 6; Said cavity 12 is arranged on the top of vacuum circuit breaker body 6; Said fixed contact 16 is fixedly installed on the bottom of vacuum interrupter 10; The contact portion of said moving contact 15 is arranged on the top of vacuum interrupter 10; The bar portion of said moving contact 15 stretches in the cavity 12; Said bellows 9 is set on the moving contact 15, and is positioned at vacuum interrupter 10, so that vacuum interrupter 10 keeps sealing state; Said contiguous block 14 is set in the top of the bar portion of moving contact 15; Said tripping spring 8 is arranged between the bottom and cavity 12 bottoms of contiguous block 14, makes the contiguous block 14 and the top of the bar portion of moving contact 15 that activity space arranged; Said briquetting assembly 13 is arranged on the top of contiguous block 14; Said butterfly spring 7 is arranged between briquetting assembly 13 and the contiguous block 14; Said operating mechanism 11 control transmission guide rods 2 rotatablely move; When transmission guide rod 2 rotations, gear 4 drives tooth bar 3 motions, and tooth bar 3 drive isolating switch disconnecting links 5 down move to insert in the cavity 12 and withstand briquetting assembly 13; Said briquetting assembly 13 drives moving contact 15 and down moves until contacting with fixed contact 16; Said briquetting assembly 13 is provided with push rod (not marking); Said push rod passes contiguous block 14 and fixes with the screw top of the bar portion of moving contact 15; Said enclosed housing is provided with nitrogen fill valve door (not marking), with the convenient nitrogen of annotating in the enclosed housing of giving.The bottom of said enclosed housing is provided with rupture pressure disc (for marking); Said enclosed housing is to be processed by metal material.
Beneficial effect of the present invention is embodied in: high efficiency nitrogen insulation ring main unit of the present invention; Through an operating mechanism is the motion of may command isolation switch blade lock; Thereby drive the moving contact motion of vacuum circuit-breaker; It is contacted with the vacuum circuit-breaker fixed contact or break off, the present invention program makes the entire equipment compact conformation, and energy utilization ratio increases substantially; Adopt nitrogen as dielectric in addition, protection atmosphere environment has more environmental protection characteristic.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the rights protection scope of the present invention.
Claims (5)
1. the ring main unit of nitrogen insulation efficiently comprises enclosed housing, isolating switch, vacuum circuit-breaker, operating mechanism; Said isolating switch, vacuum circuit-breaker are separately positioned in the enclosed housing; Be full of nitrogen in the said enclosed housing; It is characterized in that: said isolating switch comprises isolating switch body, transmission guide rod, tooth bar, gear, isolating switch disconnecting link; Said isolating switch disconnecting link is arranged on the isolating switch body interior; Said tooth bar is arranged on the isolating switch disconnecting link; Said gear is arranged on the isolating switch body, and meshes with tooth bar; One end of said transmission guide rod is arranged on the gear; Said vacuum circuit-breaker comprises vacuum circuit breaker body, butterfly spring, tripping spring, bellows, vacuum interrupter, cavity, briquetting assembly, contiguous block, moving contact, fixed contact; Said vacuum interrupter is arranged on the bottom of vacuum circuit breaker body; Said cavity is arranged on the top of vacuum circuit breaker body; Said fixed contact is fixedly installed on the bottom of vacuum interrupter; The contact portion of said moving contact is arranged on the top of vacuum interrupter; The bar portion of said moving contact stretches in the cavity; Said bellows is set on the moving contact, and it is indoor to be positioned at vacuum extinction; Said contiguous block is set in the top of the bar portion of moving contact; Said tripping spring is arranged between the bottom and bottom of contiguous block; Said briquetting assembly is arranged on the top of contiguous block; Said butterfly spring is arranged between briquetting assembly and the contiguous block; Said operating mechanism control transmission guide rod rotatablely moves; When transmission guide rod rotates, the motion of gear driven tooth bar, rack drives isolating switch disconnecting link down moves to insert in the cavity and withstands the briquetting assembly; Said briquetting assembly drives moving contact and down moves until contacting with fixed contact.
2. the insulation of nitrogen efficiently ring main unit according to claim 1, it is characterized in that: said briquetting assembly is provided with push rod; Said push rod passes the screw top of the bar portion of contiguous block and moving contact and fixes.
3. the insulation of nitrogen efficiently ring main unit according to claim 1 and 2, it is characterized in that: said enclosed housing is provided with the nitrogen fill valve door, with the convenient nitrogen of annotating in the enclosed housing of giving.
4. the insulation of nitrogen efficiently ring main unit according to claim 1 and 2, it is characterized in that: the bottom of said enclosed housing is provided with rupture pressure disc.
5. the insulation of nitrogen efficiently ring main unit according to claim 1 and 2, it is characterized in that: said enclosed housing is to be processed by metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102773058A CN102769258A (en) | 2012-08-07 | 2012-08-07 | Efficient hydrogen insulation ring net cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102773058A CN102769258A (en) | 2012-08-07 | 2012-08-07 | Efficient hydrogen insulation ring net cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102769258A true CN102769258A (en) | 2012-11-07 |
Family
ID=47096550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102773058A Pending CN102769258A (en) | 2012-08-07 | 2012-08-07 | Efficient hydrogen insulation ring net cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102769258A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451191A (en) * | 2016-11-14 | 2017-02-22 | 国家电网公司 | Cubicle gas-insulated switchgear |
| CN111478188A (en) * | 2020-04-01 | 2020-07-31 | 南京合智电力科技有限公司 | Intelligent high-voltage switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2938374Y (en) * | 2006-04-24 | 2007-08-22 | 大全集团有限公司 | Movable contact drive structure of vacuum circuit breaker |
| CN201623398U (en) * | 2010-02-23 | 2010-11-03 | 中国西电电气股份有限公司 | Grounding switch for gas-insulated metal-enclosed switchgear |
| CN102545088A (en) * | 2012-01-04 | 2012-07-04 | 苏州朗格电气有限公司 | Nitrogen ring main unit |
| CN102623219A (en) * | 2012-04-23 | 2012-08-01 | 苏州朗格电气有限公司 | Disconnecting switch and vacuum circuit breaker composite system |
| CN203180416U (en) * | 2012-08-07 | 2013-09-04 | 苏州朗格电气有限公司 | High-efficiency nitrogen-insulated ring main unit |
-
2012
- 2012-08-07 CN CN2012102773058A patent/CN102769258A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2938374Y (en) * | 2006-04-24 | 2007-08-22 | 大全集团有限公司 | Movable contact drive structure of vacuum circuit breaker |
| CN201623398U (en) * | 2010-02-23 | 2010-11-03 | 中国西电电气股份有限公司 | Grounding switch for gas-insulated metal-enclosed switchgear |
| CN102545088A (en) * | 2012-01-04 | 2012-07-04 | 苏州朗格电气有限公司 | Nitrogen ring main unit |
| CN102623219A (en) * | 2012-04-23 | 2012-08-01 | 苏州朗格电气有限公司 | Disconnecting switch and vacuum circuit breaker composite system |
| CN203180416U (en) * | 2012-08-07 | 2013-09-04 | 苏州朗格电气有限公司 | High-efficiency nitrogen-insulated ring main unit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451191A (en) * | 2016-11-14 | 2017-02-22 | 国家电网公司 | Cubicle gas-insulated switchgear |
| CN111478188A (en) * | 2020-04-01 | 2020-07-31 | 南京合智电力科技有限公司 | Intelligent high-voltage switch |
| CN111478188B (en) * | 2020-04-01 | 2022-12-20 | 南京合智电力科技有限公司 | Intelligent high-voltage switch |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121107 |