CN2896495Y - Arc-chutes of 800 kv double-fracture can-type circuit breaker - Google Patents
Arc-chutes of 800 kv double-fracture can-type circuit breaker Download PDFInfo
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- CN2896495Y CN2896495Y CN 200620078617 CN200620078617U CN2896495Y CN 2896495 Y CN2896495 Y CN 2896495Y CN 200620078617 CN200620078617 CN 200620078617 CN 200620078617 U CN200620078617 U CN 200620078617U CN 2896495 Y CN2896495 Y CN 2896495Y
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- arc extinguishing
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Abstract
The utility model relates to high-voltage switch equipment, more particularly to an arc extinguishing chamber for the double-break tank-type SF6 circuit breaker, characterized in that the two arc extinguishing units are symmetrically laid out, with the plane of symmetry through the axes of the insulation drawbar (35) and perpendicular to the axes of the tank (3) of the arc extinguishing chamber; the insulated supporting cylinder (12) is fixed to the bottom middle inside the tank (3) of the arc extinguishing chamber; the supporting frame (11) is fixed to the insulated supporting cylinder (12); the arc extinguishing units I and II are symmetrically arranged on both sides of the supporting frame (11); the connector (4) is fixed to one end of the conductor (5), and the other end of the conductor (5) and the closing resistance (2) are fixed to one side of the static flange (6). The utility model has the following advantages that the number of breaks is reduced; each of the breaks may resist high voltages; the insulation level is high; and the breaking performance is good.
Description
Technical field
The utility model relates to a kind of high voltage switchgear, and it is the arc control device of the pot type sulfur hexafluoride breaker of power system operation control and protection usefulness, particularly about a kind of arc control device of 800 kilovolts of double break mouth potting breakers.
Background technology
The potting breaker of 800 kilovoltage grades before this, only has Switzerland ABB AB to make in the world.But the arc control device of the potting breaker of Switzerland ABB are in series by three fractures, and must cooperate circuit shape lightning arrester to use, and this circuit breaker fracture number is many, and parts are many, the structure relative complex, must cause operational reliability lower thus.
Summary of the invention
The utility model provides a kind of arc control device of 800 kilovolts of double break mouth potting breakers, advantage such as it has, and the fracture number is few, each fracture withstand voltage level height, insulation level height, break performance are good.
The technical solution of the utility model is, design a kind of 800 kilovolts of double break mouth potting breakers, it comprises that arc extinguishing unit, insulation support platform, switching-on resistance, supporting frame and inner transmission mechanism, it is characterized in that: two arc extinguishing units by insulated tension pole 35 axis and with the plane of the axis normal of arc control device tank body 3 be that the plane of symmetry is and is symmetrically arranged; Insulation supports tube 12 to be fixed in the inboard middle bottom of arc control device tank body 3, supporting frame 11 is fixed in insulation to be supported on the tube 12, arc extinguishing unit I, II are symmetrically arranged in the two ends of supporting frame 11, joint 4 is fixed on an end of conductor 5, and the other end of conductor 5 and switching-on resistance 2 are fixed on a side of quiet side flange 6.
Described switching-on resistance 2 is in the end of arc extinguishing unit, and it is divided into six groups of end to end edges and circumferentially is fixed on the quiet side flange 6.
The middle contact base 13 of described arc extinguishing unit is fixed in an end of supporting frame 11 together with middle contact 15 fixed thereon and radome 16, at the same end of supporting frame 11, also be fixed with piston 24, moving resistive touch headstock 28, insulation supporting rod 8, shunt capacitor 10 and radome 14; Quiet main contact 26, quiet arc contact 7 and radome 17 are fixed on the opposite side of quiet side flange 6; Static resistance contact 19 links to each other with static resistance contact base 27; Whole quiet side flange 6 is fixed on an end of supporting frame 11 by insulation supporting rod 8 together with parts fixed thereon.
Described arc control device tank body 3 internal diameters are 1200mm～1320mm, and length is 5500mm～6000mm; The external diameter of radome 14 is 820mm～950mm, and the radius of curvature of end circular arc is 50mm～80mm.
Characteristics of the present utility model are: two arc extinguishing units of the arc control device of 800 kilovolts of level circuit breakers with the axis by insulated tension pole and with the plane of the axis normal of arc control device tank body be that the plane of symmetry is and is symmetrically arranged; Switching-on resistance is divided into six groups of end to end ends along circumferential arrangement in arc extinguishing unit, but does not have additionally to increase the length of arc control device.It has the following advantages:
1, the arc extinguishing unit (fracture) of special two polyphones of project organization assurance can be realized the various folding functions of 800 kilovolts of level circuit breakers, each fracture withstand voltage level height; The arc control device symmetric arrangement, transmission is simple, and is aesthetic in appearance.
2, to the structural member of key, all carried out detailed electric Field Optimization design, under the prerequisite that guarantees higher insulation level, reduce the size of structural member as far as possible.Therefore the length of tank body also shortens to some extent, and overall dimension is less.
3, there is the switching-on resistance of 500 Ω～600 Ω arc control device inside, and the circumferential arrangement of switching-on resistance, the switching overvoltage that produces on the line during with breaker switching-on operation are limited within the lower level, can use separately.
4, make full use of the useful space in the arc control device, switching-on resistance is divided into six strings, join end to end, the end along circumferential arrangement in arc extinguishing unit does not increase the volume of arc control device.
Description of drawings
Below in conjunction with the embodiment accompanying drawing the utility model is described further.
Fig. 1 is the example structure schematic diagram;
Fig. 2 is arc extinguishing unit and transmission structures schematic diagram;
Fig. 3 is that the D direction resistance of Fig. 2 is arranged schematic diagram;
Fig. 4 is that Fig. 3 A-A cross section switching-on resistance launches schematic diagram.
Among the figure: 1, operating mechanism; 2, switching-on resistance; 3, arc control device tank body; 4, joint; 5, conductor; 6, quiet side flange; 7, quiet arc contact; 8, insulation supporting rod; 9, moving main contact; 10, shunt capacitor; 11, supporting frame; 12, tube is supported in insulation; 13, middle contact base; 14, radome; 15, middle contact; 16, radome; 17, radome; 18, insulation pad; 19, static resistance contact; 20, spout; 21, moving arcing contact; 22, moving resistance contact head; 23, air cylinder; 24, piston; 25, air cylinder bar; 26, quiet main contact; 27, static resistance contact base; 28, moving resistive touch headstock; 29,30,31,32,34 connecting plates; 33, connecting lever; 35, insulated tension pole; 36, connecting plate; 37, insulating rod; 38, connecting plate.
Embodiment
Embodiment as shown in Figure 1, whole arc control device with the axis by insulated tension pole 35 and with the plane of the axis normal of arc control device tank body 3 be that the plane of symmetry is the left-right symmetric structure.Insulation supports tube 12 to be fixed in the inboard middle bottom of arc control device tank body 3, supporting frame 11 usefulness bolt are supported on the tube 12 in insulation, arc extinguishing unit I, II are symmetrically arranged in the two ends of supporting frame 11, joint 4 is fixed on an end of conductor 5, and the other end of conductor 5 and switching-on resistance 2 are fixed on a side of quiet side flange 6.The other end of conductor 5, switching-on resistance 2 are fixed on the opposite side of quiet side flange 6.
Fig. 2 is arc extinguishing unit and transmission structures schematic diagram, as shown in Figure 2, middle contact base 13 is fixed in an end of supporting frame 11 together with middle contact 15 fixed thereon and radome 16, at the same end of supporting frame 11, also be fixed with piston 24, moving resistive touch headstock 28, insulation supporting rod 8, shunt capacitor 10 and radome 14; Quiet main contact 26, quiet arc contact 7 and radome 17 are fixed on the opposite side of quiet side flange 6; Static resistance contact 19 links to each other with static resistance contact base 27; Whole quiet side flange 6 is fixedly mounted on an end of supporting frame 11 by insulation supporting rod 8 together with parts fixed thereon; Spout 20, moving main contact 9, moving arcing contact 21, air cylinder 23 and the air cylinder bar 25 that passes piston 24 centre bores adopt the different connected modes M that holds together, air cylinder bar 25 links to each other with the operating mechanism 1 of arc control device outside by transmission device (comprising connecting plate 29,30,31,32,34 and connecting lever 33), insulated tension pole 35, the centre bore of piston 24 play the guiding role to whole M, middle contact 15 contacts with the intimate of air cylinder 23, and moving resistance contact head 22 passes moving resistive touch headstock 28 and also links to each other with transmission device.When dividing the operation of (closing) lock, moving resistance contact head 22 and whole M (left) synchronously to the right move.By special design, guarantee that the three groups of contacts (sound main contact, sound arcing contact, sound resistance contact head) between dynamic and static contact separate, contact by certain time sequence, (when promptly closing a floodgate, the sound resistance contact head at first contacts, next is the contact of sound arcing contact, is the contact of sound main contact at last; During separating brake, the sound resistance contact head at first separates, and secondly is that the sound main contact separates, and is that the sound arcing contact separates at last).
Fig. 3 is that Fig. 2 arranges schematic diagram along D direction resistance, and Fig. 4 is that Fig. 3 A-A cross section resistance launches schematic diagram.As shown in the figure, static resistance contact base 27 and connecting plate 36 are fixed on the same side of quiet side flange 6 by insulation pad 18; Switching-on resistance 2 is divided into 6 groups and is separately fixed on static resistance contact base 27 and the connecting plate 36 by insulating rod 37, and the other end of switching-on resistance 2 directly is fixed on a side of quiet side flange 6, and 6 combination lock resistance 2 join end to end by connecting plate 36 and connecting plate 38.
The structure of arc control device and operating principle: insulation supports tube 12 to be fixed on the bottom of arc control device tank body 3 bosoms, fixing supporting frame 11 on it, fixing two arc extinguishing units (fracture) I, II in the left and right sides of supporting frame 11, the outside of arc extinguishing unit I, II is fixed with conductor 5 and the switching-on resistance 2 that connects the outlet sleeve pipe.Whole arc control device internal structure is enantiomorphic form and arranges, arc control device tank body 3 internal diameters are 1200mm～1320mm, length is 5500mm～6000mm, and the external diameter that is used to shield the radome 14 of arc extinguishing unit is 820mm～950mm, and the radius of curvature of end circular arc is 50mm～80mm.
Arc extinguishing unit (being fracture) is to be made of moving main contact 9, quiet main contact 26, moving arcing contact 21, quiet arc contact 7, air cylinder 23, piston 24, air cylinder bar 25, middle contact 15, spout 20, shunt capacitor 10, insulation supporting rod 8, radome 14 etc., two arc extinguishing unit I, II are fixed in the left and right sides of supporting frame 11, and 11 of supporting frames support tube 12 to be fixed in arc control device tank body 3 bottoms by insulation.Moving main contact 9 in the arc extinguishing unit links to each other with operating mechanism 1 by transmission device, the insulated tension pole 35 that is loaded in the supporting frame 11 with moving resistance contact head 22; Transmission device comprises connecting lever 33 and a series of connecting plate.
During operation, operating mechanism 1 drives insulated tension pole 35 and moves both vertically, and by transmission device, makes the motion of main contact 9 and moving resistance contact head 22 level of synchronization, thereby realizes the breaking-closing operating of circuit breaker.
The through-flow loop of its master: electric current flows into from the upper end of the turnover thread casing that is installed on arc control device tank body 3 tops, enter arc control device through joint 4, through conductor 5, quiet side flange 6, middle contact base 13, middle contact 15, air cylinder 23, moving main contact 9, quiet main contact 26, supporting frame 11, quiet main contact 26, moving main contact 9, air cylinder 23, middle contact 15, middle contact base 13, quiet side flange 6, conductor 5, through the center conductor outflow of joint 4, turnover thread casing.
Claims (4)
1, the arc control device of 800 kilovolts of double break mouth potting breakers, it comprises that arc extinguishing unit, insulation support platform, switching-on resistance, supporting frame and inner transmission mechanism, it is characterized in that: two arc extinguishing units with the axis by insulated tension pole (35) and with the plane of the axis normal of arc control device tank body (3) be that the plane of symmetry is and is symmetrically arranged; Insulation supports tube (12) to be fixed in the inboard middle bottom of arc control device tank body (3), supporting frame (11) is fixed in insulation to be supported on the tube (12), arc extinguishing unit I, II are symmetrically arranged in the two ends of supporting frame (11), joint (4) is fixed on an end of conductor (5), and the other end of conductor (5) and switching-on resistance (2) are fixed on a side of quiet side flange (6).
2, the arc control device of 800 kilovolts of double break mouth potting breakers according to claim 1 is characterized in that: described switching-on resistance (2) is in the end of arc extinguishing unit, and it is divided into six groups of end to end edges and circumferentially is fixed on the quiet side flange (6).
3, the arc control device of 800 kilovolts of double break mouth potting breakers according to claim 1, it is characterized in that: the middle contact base (13) of described arc extinguishing unit is fixed in an end of supporting frame (11) together with middle contact (15) fixed thereon and radome (16), at the same end of supporting frame (11), also be fixed with piston (24), moving resistive touch headstock (28), insulation supporting rod (8), shunt capacitor (10) and radome (14); Quiet main contact (26), quiet arc contact (7) and radome (17) are fixed on the opposite side of quiet side flange (6); Static resistance contact (19) links to each other with static resistance contact base (27); Whole quiet side flange (6) is fixed on an end of supporting frame (11) by insulation supporting rod (8) together with parts fixed thereon.
4, the arc control device of 800 kilovolts of double break mouth potting breakers according to claim 1 is characterized in that: described arc control device tank body (3) internal diameter is 1200mm～1320mm, and length is 5500mm～6000mm; The external diameter of radome (14) is 820mm～950mm, and the radius of curvature of end circular arc is 50mm～80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620078617 CN2896495Y (en) | 2006-03-20 | 2006-03-20 | Arc-chutes of 800 kv double-fracture can-type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620078617 CN2896495Y (en) | 2006-03-20 | 2006-03-20 | Arc-chutes of 800 kv double-fracture can-type circuit breaker |
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|---|---|
| CN2896495Y true CN2896495Y (en) | 2007-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200620078617 Expired - Lifetime CN2896495Y (en) | 2006-03-20 | 2006-03-20 | Arc-chutes of 800 kv double-fracture can-type circuit breaker |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101154530B (en) * | 2007-09-04 | 2010-12-15 | 中国西电电气股份有限公司 | Contact terminal device for restraining transient state overvoltage of high-voltage isolating switch |
| CN105957770A (en) * | 2016-07-15 | 2016-09-21 | 江苏现代电力科技股份有限公司 | High-voltage vacuum arc-extinguishing chamber opened and closed in graded manner |
| WO2018090549A1 (en) * | 2016-11-17 | 2018-05-24 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Ultra-high-voltage power line disconnector |
| CN108878212A (en) * | 2018-08-29 | 2018-11-23 | 浙江紫光电器有限公司 | A kind of super-pressure double-fracture potting breaker |
| CN109859984A (en) * | 2016-11-21 | 2019-06-07 | 平高集团有限公司 | Fracture texture, arc-chutes and breaking device |
| CN110537237A (en) * | 2017-04-21 | 2019-12-03 | 西门子股份公司 | Device and method for the switching high current in high pressure technique |
| CN112397336A (en) * | 2019-08-15 | 2021-02-23 | 西安西电开关电气有限公司 | Circuit breaker and mounting structure of closing resistor thereof |
| CN113012973A (en) * | 2021-02-26 | 2021-06-22 | 西安西电开关电气有限公司 | Isolating switch with high-current switching-on and switching-off capacity |
| WO2021129369A1 (en) * | 2019-12-24 | 2021-07-01 | 河南平芝高压开关有限公司 | Circuit breaker and resistor break transmission structure thereof |
| CN113555259A (en) * | 2021-06-03 | 2021-10-26 | 河南平高电气股份有限公司 | Circuit breaker and arc extinguish chamber |
| CN114783816A (en) * | 2021-12-23 | 2022-07-22 | 平高集团有限公司 | Circuit breaker |
-
2006
- 2006-03-20 CN CN 200620078617 patent/CN2896495Y/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101154530B (en) * | 2007-09-04 | 2010-12-15 | 中国西电电气股份有限公司 | Contact terminal device for restraining transient state overvoltage of high-voltage isolating switch |
| CN105957770A (en) * | 2016-07-15 | 2016-09-21 | 江苏现代电力科技股份有限公司 | High-voltage vacuum arc-extinguishing chamber opened and closed in graded manner |
| CN105957770B (en) * | 2016-07-15 | 2018-08-07 | 江苏现代电力科技股份有限公司 | It is classified the high voltage vacuum interrupter of folding |
| WO2018090549A1 (en) * | 2016-11-17 | 2018-05-24 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Ultra-high-voltage power line disconnector |
| CN109950088B (en) * | 2016-11-21 | 2020-04-10 | 平高集团有限公司 | Fracture structure, arc extinguish chamber and breaking device |
| CN109859984A (en) * | 2016-11-21 | 2019-06-07 | 平高集团有限公司 | Fracture texture, arc-chutes and breaking device |
| CN109950088A (en) * | 2016-11-21 | 2019-06-28 | 平高集团有限公司 | Fracture texture, arc-chutes and breaking device |
| CN109859984B (en) * | 2016-11-21 | 2020-01-03 | 平高集团有限公司 | Fracture structure, arc extinguish chamber and breaking device |
| CN110537237A (en) * | 2017-04-21 | 2019-12-03 | 西门子股份公司 | Device and method for the switching high current in high pressure technique |
| CN108878212A (en) * | 2018-08-29 | 2018-11-23 | 浙江紫光电器有限公司 | A kind of super-pressure double-fracture potting breaker |
| CN108878212B (en) * | 2018-08-29 | 2024-03-15 | 浙江紫光电器有限公司 | Tank-type breaker with ultrahigh voltage and double fracture |
| CN112397336A (en) * | 2019-08-15 | 2021-02-23 | 西安西电开关电气有限公司 | Circuit breaker and mounting structure of closing resistor thereof |
| WO2021129369A1 (en) * | 2019-12-24 | 2021-07-01 | 河南平芝高压开关有限公司 | Circuit breaker and resistor break transmission structure thereof |
| CN113012973A (en) * | 2021-02-26 | 2021-06-22 | 西安西电开关电气有限公司 | Isolating switch with high-current switching-on and switching-off capacity |
| CN113555259A (en) * | 2021-06-03 | 2021-10-26 | 河南平高电气股份有限公司 | Circuit breaker and arc extinguish chamber |
| CN114783816A (en) * | 2021-12-23 | 2022-07-22 | 平高集团有限公司 | Circuit breaker |
| CN114783816B (en) * | 2021-12-23 | 2024-02-23 | 平高集团有限公司 | Circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: XI AN XD SWITCHHGEAR ELECTRIC CO.,LTD. Free format text: FORMER NAME: XI AN XIKAI HIGH-VOLTAGE ELECTRIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 710077 No. 509, Daqing Road, Xi'an, Shaanxi Patentee after: Xi'an XD Switchgear Electic Co., Ltd. Address before: 710077 technical department, West Electric Company, No. 509, Daqing Road, Xi'an, Shaanxi Patentee before: Xi'an Xikai High-Voltage Electric Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070502 |
|
| EXPY | Termination of patent right or utility model |