CN201708077U - Three-pole horizontal flip type extra-high pressure series compensation parallel-connection isolation switch - Google Patents
Three-pole horizontal flip type extra-high pressure series compensation parallel-connection isolation switch Download PDFInfo
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- CN201708077U CN201708077U CN2010202101644U CN201020210164U CN201708077U CN 201708077 U CN201708077 U CN 201708077U CN 2010202101644 U CN2010202101644 U CN 2010202101644U CN 201020210164 U CN201020210164 U CN 201020210164U CN 201708077 U CN201708077 U CN 201708077U
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Abstract
The utility model discloses a three-pole horizontal flip type extra-high pressure series compensation parallel-connection isolation switch, comprising three same monopoles capable of realizing synchronous operation by electrical linkage, two isolation factures formed on the horizontal direction by a static contact when a main conduit trips, wherein an arc contact head, an arc contact board loop and an arc-extinguish chamber loop are in series connection and forms a three-loop parallel-connection structure together with an auxiliary contact loop and a main loop and the current is switched through turning on and turning off the bus by a vacuum arc-extinguish chamber and when closing the switch, the main conduit firstly rotates and then re-turns and when tripping the switch , the operation steps contrary to the above operation steps are performed. The vacuum arc-extinguish chamber drives a touch rod by the main conduit to toggle a vacuum arc-extinguish chamber fork, so as to realize the tripping-closing action of the vacuum arc-extinguish chamber. The three-pole horizontal flip type extra-high pressure series compensation parallel-connection isolation switch has features of stable and reliable action, small operation force, small switch-closing impact, high flow stability, strong switching-on and switching-off performance, good arc-extinguish effect, good corrosion protection performance and long service life.
Description
Technical field
The utility model relates to the isolating switch in a kind of 1100kV extra-high voltage electric power system, a kind of specifically three-post horizontally turning type extra-high voltage series compensation parallel-connection isolating switch.
Background technology
UHV transmission has the inherent characteristic that big capacity, remote, low-loss, province take up an area of, and is the power transmission mode that meets China's fundamental realities of the country.The employing of UHV transmission technology realizes wider most optimum distribution of resources, promotes the efficient development and utilization of China's energy, promotes the sustainable development of economy and society.Development along with China's extra-high voltage grid, the ability and the scale of China's network optimization resource distribution will significantly improve, will greatly promote the effective exploitation and efficient utilization of domestic energy resources, further improve power network safety operation level and anti-accident ability, the demand of national economy and social development to electric power satisfied in the cooperation of strong simultaneously promotion international energy.High-voltage alternating current isolating switch is one of capital equipment in the high-tension power transmission and transformation equipment, is maximum a kind of of expense, normally 2～4 of circuit breaker times, so in electric power system, occupy an important position.Because use amount is big, functional reliability is required than higher, all bigger to the influence of design, foundation and the safe operation of electric substation, power plant.Present outdoor extra-high-voltage alternating current isolating switch structure especially can't satisfy the parameter request of folding bus switching current 6kV, 6300A owing to the deficiency that exists in the design, is restricting the paces that China's extra high voltage line is built.
Summary of the invention
For solving the technical problem of above-mentioned existence, the utility model provides a kind of three-post horizontally turning type extra-high voltage series compensation parallel-connection isolating switch, and stable action is reliable, breaking-closing operating power is little, and Corrosion Protection is good, long service life, conduct electricity very well, through-current capability is strong, and connecting-disconnecting function is strong.
In order to achieve the above object, the technical solution adopted in the utility model is as follows:
Comprise that structure is identical, three one poles by electric-linked realization simultaneous operation, each one pole includes leading fulgurite, transmission case, the moving contact grading ring, the fixed contact grading ring, fixed contact, auxiliary fingertip, vacuum interrupter, arcing contact, the arc touch panel, shift fork, touch rod, moving contact, post insulator, underframe, base rack, drive link, vertical links, electric motor operating mechanism, rotating insulated son, base rack is fixed in ground, one side of base rack is set with electric motor operating mechanism, the upper fixed of base rack is provided with underframe, the two ends of underframe are set with post insulator respectively, the centre position is provided with rotating insulated son, the top of two post insulators is respectively arranged with fixed contact, be provided with auxiliary fingertip and arcing contact on the fixed contact of both sides, wherein a side is provided with vacuum interrupter, the upper and lower of fixed contact is respectively arranged with the fixed contact grading ring, the top of rotating insulated son is set with transmission case, the upper fixed of transmission case is provided with leading fulgurite, the two ends of leading fulgurite are set with moving contact respectively and touch rod, touch rod and be provided with the arc touch panel, the both sides and the below of leading fulgurite upper gear box are respectively arranged with the moving contact grading ring, and electric motor operating mechanism is connected with drive link by vertical links.
Described vacuum extinction house main shaft is provided with in order to drive the shift fork of its action.
The described arcing contact that is arranged at vacuum interrupter one side is fixed on the fixed contact by insulating rod.
Fingertip in the described fixed contact is the external-compression type fingertip.
Described moving contact is two copper asymmetric obvolvent structures.
The utility model forms two isolation fractures in the horizontal direction when dominating the fulgurite separating brake, arcing contact, connect with the arc control device loop in arc touch panel loop, and with the auxiliary contact loop, major loop is formed three loop parallel-connection structures, cut-off and connect the bus switching current by vacuum interrupter, leading fulgurite is done and is rotated flip-flop movement more earlier during combined floodgate, otherwise separating brake then, vacuum interrupter touches rod by leading fulgurite drive and stirs the vacuum interrupter shift fork to realize the divide-shut brake action of vacuum interrupter, and vacuum interrupter is not through-flow in the main switch cutter normal main through-flow loop that breaks away from when through-flow of closing a floodgate, and can effectively avoid the long-term through-flow damage that causes of vacuum interrupter, it is reliable to have stable action, operating physical force is little, and the impact of closing a floodgate is little, and through-flow stability is high, connecting-disconnecting function is strong, arc quenching effect is good, and Corrosion Protection is good, characteristics such as long service life.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail:
Accompanying drawing is a kind of embodiment of the present utility model, comprise that structure is identical, three one poles by electric-linked realization simultaneous operation, in each one pole, base rack 15 is installed on the basis, ground, electric motor operating mechanism 18 is installed in base rack 15 1 sides by anchor ear, underframe 14 is installed in base rack 15 tops, underframe 14 two ends mounting column insulators 13, middle installation rotating insulated sub 19, fixed contact 5 is installed in post insulator 13 tops of both sides, fingertip in the described fixed contact 5 is the external-compression type fingertip, auxiliary fingertip 6 is installed on the fixed contact 5, fixed contact grading ring 4 is installed in the upper and lower of fixed contact 5 respectively, transmission case 2 is installed on rotating insulated sub 19, leading fulgurite 1 is installed in the transmission case top, both sides and below that moving contact grading ring 3 is installed leading fulgurite upper gear box 2, touch rod 11 and moving contact 12 and be installed in two ends dominating fulgurite 1 respectively, described moving contact 12 is two copper asymmetric obvolvent structures, arc touch panel 9 is installed in and touches on the rod 11, two arcing contacts 8 are individually fixed in the both sides of fixed contact 5, vacuum interrupter 7 is fixed in fixed contact 5 one sides, the arcing contact 8 that is arranged at vacuum interrupter 7 one sides is fixed on the fixed contact 5 by insulating rod, mechanism's main shaft of vacuum interrupter 7 is provided with in order to the shift fork 10 that drives its action, and electric motor operating mechanism 18 links to each other with drive link 16 by vertical links 17.
When the utility model closes a floodgate, motor operating mechanism 18 turns clockwise by vertical links 17, drive link 16 driven rotary insulators 19, be installed in the also rotation thereupon of transmission case 2 of rotating insulated sub 19 upper ends, thereby leading fulgurite 1 also horizontally rotates motion with transmission case; When leading fulgurite 1 during near fixed contact 5 positions, arc touch panel 9 contacts with arcing contact 8 earlier, touch rod 11 then and under the drive of leading fulgurite 1, stir the shift fork 10 of vacuum interrupter 7, vacuum interrupter 7 closes a floodgate, moving contact 12 rotates to fixed contact 5 inside, touching rod 11 contacts with auxiliary fingertip 6, flip-flop movement is made in the motion of stopping the rotation of leading fulgurite 1 in horizontal plane, be turned to vertical position until moving contact 12, and closely contact with the fingertip in the fixed contact 5, electric motor operating mechanism 18 stops action, and leading fulgurite 1 stops upset, and arc touch panel 9 is made flip-flop movement with leading fulgurite 1 simultaneously, break away from arcing contact 8, making process finishes.
The separating brake process in contrast, motor operating mechanism 18 is by vertical links 17, drive link 16 driven rotary insulators 19 are rotated counterclockwise, leading fulgurite 1 and moving contact 12 are done flip-flop movement earlier, the back that finishes to be flipped rotates in horizontal plane, simultaneously arc touch panel 9 is made flip-flop movement with leading fulgurite 1, contact with arcing contact 8, moving contact 12 breaks away from fixed contact 5, touch rod 11 and separate, touch the shift fork 10 that rod 11 is stirred vacuum interrupter 7, vacuum interrupter 7 separating brakes with auxiliary fingertip 6, arc touch panel 9 separates with arcing contact 8, during into about 70 ° of angles, electric motor operating mechanism 18 stops action until leading fulgurite 1 and two fixed contacts, 5 lines, and the separating brake process finishes.
Claims (5)
1. three-post horizontally turning type extra-high voltage series compensation parallel-connection isolating switch, comprise that structure is identical, three one poles by electric-linked realization simultaneous operation, it is characterized in that, each one pole includes leading fulgurite (1), transmission case (2), moving contact grading ring (3), fixed contact grading ring (4), fixed contact (5), auxiliary fingertip (6), vacuum interrupter (7), arcing contact (8), arc touch panel (9), shift fork (10), touch rod (11), moving contact (12), post insulator (13), underframe (14), base rack (15), drive link (16), vertical links (17), electric motor operating mechanism (18), rotating insulated son (19), base rack (15) is fixed on the basis, ground, one side of base rack (15) is set with electric motor operating mechanism (18), the upper fixed of base rack (15) is provided with underframe (14), the two ends of underframe (14) are set with post insulator (13) respectively, the centre position is provided with rotating insulated son (19), the top of two post insulators (13) is respectively arranged with fixed contact (5), be provided with auxiliary fingertip (6) and arcing contact (8) on the both sides fixed contact (5), wherein a side is provided with vacuum interrupter (7), the upper and lower of fixed contact (5) is respectively arranged with fixed contact grading ring (4), the top of rotating insulated son (19) is set with transmission case (2), the upper fixed of transmission case (2) is provided with leading fulgurite (1), the two ends of leading fulgurite (1) are set with moving contact (12) respectively and touch rod (11), touch rod (11) end and be provided with arc touch panel (9), the both sides and the below of leading fulgurite (1) upper gear box (2) are respectively arranged with moving contact grading ring (3), and electric motor operating mechanism (18) is connected with drive link (16) by vertical links (17).
2. three-post horizontally turning type extra-high voltage series compensation parallel-connection isolating switch according to claim 1 is characterized in that, described vacuum interrupter (7) mechanism main shaft is provided with the shift fork (10) in order to drive its action.
3. three-post horizontally turning type extra-high voltage series compensation parallel-connection isolating switch according to claim 1 is characterized in that, the described arcing contact (8) that is arranged at vacuum interrupter one side is fixed on the fixed contact (5) by insulating rod.
4. three-post horizontally turning type extra-high voltage series compensation parallel-connection isolating switch according to claim 1 is characterized in that, the fingertip in the described fixed contact (5) is the external-compression type fingertip.
5. three-post horizontally turning type extra-high voltage series compensation parallel-connection isolating switch according to claim 1 is characterized in that, described moving contact (12) is two copper asymmetric obvolvent structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202101644U CN201708077U (en) | 2010-05-24 | 2010-05-24 | Three-pole horizontal flip type extra-high pressure series compensation parallel-connection isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202101644U CN201708077U (en) | 2010-05-24 | 2010-05-24 | Three-pole horizontal flip type extra-high pressure series compensation parallel-connection isolation switch |
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| Publication Number | Publication Date |
|---|---|
| CN201708077U true CN201708077U (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202101644U Expired - Fee Related CN201708077U (en) | 2010-05-24 | 2010-05-24 | Three-pole horizontal flip type extra-high pressure series compensation parallel-connection isolation switch |
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| Country | Link |
|---|---|
| CN (1) | CN201708077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866773A (en) * | 2010-05-24 | 2010-10-20 | 山东泰开隔离开关有限公司 | Three-post horizontally turning type extra-high voltage series compensation parallel-connection isolation switch |
-
2010
- 2010-05-24 CN CN2010202101644U patent/CN201708077U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866773A (en) * | 2010-05-24 | 2010-10-20 | 山东泰开隔离开关有限公司 | Three-post horizontally turning type extra-high voltage series compensation parallel-connection isolation switch |
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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: 20110112 Termination date: 20150524 |
|
| EXPY | Termination of patent right or utility model |