CN201655653U - Isolation vacuum circuit breaker - Google Patents
Isolation vacuum circuit breaker Download PDFInfo
- Publication number
- CN201655653U CN201655653U CN2010200032052U CN201020003205U CN201655653U CN 201655653 U CN201655653 U CN 201655653U CN 2010200032052 U CN2010200032052 U CN 2010200032052U CN 201020003205 U CN201020003205 U CN 201020003205U CN 201655653 U CN201655653 U CN 201655653U
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- Prior art keywords
- main shaft
- isolation switch
- pole
- operating mechanism
- fixed
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- Expired - Lifetime
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Abstract
The utility model discloses an isolation vacuum circuit breaker, mainly consisting of a spring opening and closing operation mechanism, an operation mechanism box, an upper static contact seat, an insulating main shaft, an isolation switch blade, a fixed pole column, a transmission mechanism and a machine frame, wherein the spring opening and closing operation mechanism is arranged in the operation mechanism box; the operation mechanism box is fixed on one side of the machine frame; the lower end of the upper static contact seat is fixed on the machine frame, and the inside of the upper end thereof is positioned relative to the top end of the isolation switch blade; and the fixed pole column is arranged on the machine frame through a square insulating partition plate on the fixed pole column. As the operation mechanism box, upper static contact seat and the like are arranged on the machine frame, the distance between the parts is reasonable, the structure is compact, and the volume is small. The closing, isolation and grounding functions of the switch are realized by the spring opening and closing operation mechanism rotating the insulating main shaft to enable the isolation switch blade to rotate around the rotary end, the operation is reliable, and the functions of three-station isolation switch and circuit breaker can be realized.
Description
Technical field
The utility model relates to a kind of switchgear of electric power system, particularly relates to the combined integrated isolated vacuum breaker of a kind of tri-station isolating switch and vacuum circuit-breaker.
Background technology
Indoor high-voltage isolating switch is a kind of High-Voltage Electrical Appliances that supply line is switched and electric equipments such as the high voltage bus that overhauled, circuit breaker and high voltage supply circuit are isolated commonly used in the electric power system, and vacuum circuit-breaker is to be used for supply line is carried out a kind of device for switching equipment that disjunction is protected.At present, in the 12kV distribution system, known indoor high-voltage is isolated and how earthed switch only is provided with two stations, promptly close a floodgate, two positions of separating brake, and isolating switch and vacuum circuit-breaker are installed separately, also need to be provided with complicated mechanical interlocking device between the two, make that so just the volume of switch cubicle is big, complex structure.Along with the upgrading of switchgear, miniaturization, composite type become the development trend of switchgear, and the particularly appearance of small stationary cabinet needs supporting electric equipment structure compactness, miniaturization more more.
The utility model content
The purpose of this utility model is to provide a kind of compact conformation, volume is little, operation is reliable, can realize the isolated vacuum breaker of the function of tri-station isolating switch and circuit breaker simultaneously.
For achieving the above object, technical solution of the present utility model is:
The utility model is a kind of isolated vacuum breaker, and it mainly is made up of spring deciliter operating mechanism, operating mechanism case, upper static contact seat, insulation main shaft, isolation switch, pole, transmission mechanism, frame;
A described spring deciliter operating mechanism is installed in the operating mechanism case, and the operating mechanism case is fixed on a side of frame; The lower end of described upper static contact seat is fixed on the frame, and its upper end is inboard relative with the top of isolation switch; Described pole is installed on the frame by the square insulating barrier on it;
Described insulation main shaft mainly is made up of plastics main shaft and three-phase connecting lever; The lower end of described three-phase connecting lever is socketed on the plastics main shaft in regular turn; This insulation main shaft is three-phase integrated, and two ends are installed in the shaft hole of frame front and back, and the one end is connected with a spring deciliter operating mechanism;
Described isolation switch is nested with in the connecting lever of insulation main shaft; The bottom of isolation switch is rotated end and is movably articulated in the moving contact shaft hole of moving contact base, and isolation switch top exposed junction is equipped with the spring bumper cover of uniform voltage function;
The outstanding insulator that forms a band full skirt in the top of described pole, its portion of extending upward of insulator forms a fork, offer a shaft hole that is connected with the rotation end of isolation switch at this swing link end part, the outstanding downwards square insulating barrier that forms of insulator, insulating barrier continues to form the pole of circuit breaker downwards;
Described transmission mechanism is a frid shape structure, and an end and operating mechanism case are fixed, and its other end and frame are connected and fixed; Pole is fixed on the frid of transmission mechanism; The upper end of insulated tension pole connects transmission mechanism, and the lower end and the transmission crank arm of insulated tension pole are hinged, and transmission crank arm is connected with the contact of breaker pull bar.
The rotational angle of each position of described insulation main shaft 3 is 60 °.
Described connecting lever has encased 2/3 of isolation switch length.
After adopting such scheme, because the utility model operating mechanism case, upper static contact seat, insulation main shaft, isolation switch, pole, transmission mechanism etc. all are installed on the frame, distance between each parts is reasonable, make compact conformation of the present utility model, volume little, and close the pass of switch of the present utility model, isolation and grounding function are made isolation switch rotate about it end to rotate and realize by rotating the insulation main shaft by spring deciliter operating mechanism, and operation is reliable and can realize the function of tri-station isolating switch and circuit breaker simultaneously.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is the axonometric drawing of overlooking of the present utility model;
Fig. 2 is the axonometric drawing of the utility model insulation main shaft;
Fig. 3 is the axonometric drawing of the utility model pole;
Fig. 4 is the axonometric drawing of facing of the present utility model.
Embodiment
As shown in Figure 1, the utility model is a kind of isolated vacuum breaker, and it mainly is made up of spring deciliter operating mechanism (not shown), operating mechanism case 1, upper static contact seat 2, insulation main shaft 3, isolation switch 4, pole 5, transmission mechanism 6, frame 7.
A described spring deciliter operating mechanism is installed in the operating mechanism case 1, and operating mechanism case 1 is fixed on a side of frame 7; The lower end of described upper static contact seat 2 is fixed on the frame 7, and its upper end is inboard relative with the top of isolation switch 4; Described pole 5 is installed on the frame 7 by the square insulating barrier 53 on it.
As shown in Figure 2, described insulation main shaft 3 mainly is made up of plastics main shaft 31 and three-phase connecting lever 32; The lower end of described three-phase connecting lever 32 is socketed on the plastics main shaft 31 in regular turn.This insulation main shaft 3 is three-phase integrated, and two ends are installed in the shaft hole of frame 7 front and back, and the one end is connected with a spring deciliter operating mechanism.
Described isolation switch 4 is nested with in the connecting lever 32 of insulation main shaft 3, and connecting lever 32 has encased 2/3 of isolation switch 4 length.The moving contact shaft hole 51 interior (as shown in Figure 3) that end 41 is movably articulated in moving contact base 5 is rotated in the bottom of isolation switch 4, and isolation switch 4 top exposed junctions are equipped with the spring bumper cover 42 of uniform voltage function.Spring deciliter operating mechanism is by rotating insulation main shaft 3, making isolation switch 4 rotate about it end 41 rotates, thereby be implemented in the combined floodgate fixed contact 21 of different angles and isolating switch or ground connection fixed contact 22 in conjunction with separate, or make isolation switch 4 isolation that mediates, close the pass of realizing switch, isolation and grounding function, and the rotational angle of each position of insulation main shaft 3 is 60 °.
As shown in Figure 3, described pole 5 is formed by the poured with epoxy resin of insulation, the outstanding insulator 51 that forms a band full skirt in its top, insulator 51 its portions of extending upward form a fork 52, offer a shaft hole 521 that is connected with the rotation end of isolation switch 4 in these fork 52 ends, the outstanding downwards square insulating barrier 53 that forms of insulator 51, insulating barrier 53 continues to form the pole 54 of circuit breaker downwards, pole 54 intermediate projections one installed surface of circuit breaker, this installed surface is used for fixing vertical transmission mechanism of circuit breaker.The lower surface of the pole 54 of circuit breaker is used to install outlet and connects parts such as row and shackle rod, connecting lever.
Related description:
Tri-station isolating switch of the present utility model has combined floodgate, separating brake, three positions of ground connection, the operating mechanism of isolating switch is to adopt special-purpose torque spring, and with spring energy-storage, immediate release can be realized quick divide-shut brake then during operation, switch is when settling position, and torsion spring is in no energy storage state.
Pole of the present utility model is that the moving contact with isolating switch is cast in by epoxy resin APG technology with vacuum interrupter.The pole epimere is the movable contact headstock of isolating switch, and hypomere is the pole of circuit breaker, and the dividing plate of wall-penetrating type has been designed in the centre.
Vertical transmission mechanism of the present utility model is arranged on the middle part of pole, and this design makes the circuit breaker lower wire end can directly be connected on the lower end of pole, need not to consider insulation distance and specially avoids transmission mechanism.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (3)
1. isolated vacuum breaker is characterized in that: it mainly is made up of spring deciliter operating mechanism, operating mechanism case, upper static contact seat, insulation main shaft, isolation switch, pole, transmission mechanism, frame;
A described spring deciliter operating mechanism is installed in the operating mechanism case, and the operating mechanism case is fixed on a side of frame; The lower end of described upper static contact seat is fixed on the frame, and its upper end is inboard relative with the top of isolation switch; Described pole is installed on the frame by the square insulating barrier on it;
Described insulation main shaft mainly is made up of plastics main shaft and three-phase connecting lever; The lower end of described three-phase connecting lever is socketed on the plastics main shaft in regular turn; This insulation main shaft is three-phase integrated, and two ends are installed in the shaft hole of frame front and back, and the one end is connected with a spring deciliter operating mechanism;
Described isolation switch is nested with in the connecting lever of insulation main shaft; The bottom of isolation switch is rotated end and is movably articulated in the moving contact shaft hole of moving contact base, and isolation switch top exposed junction is equipped with the spring bumper cover of uniform voltage function;
The outstanding insulator that forms a band full skirt in the top of described pole, its portion of extending upward of insulator forms a fork, offer a shaft hole that is connected with the rotation end of isolation switch at this swing link end part, the outstanding downwards square insulating barrier that forms of insulator, insulating barrier continues to form the pole of circuit breaker downwards;
Described transmission mechanism is a frid shape structure, and an end and operating mechanism case are fixed, and its other end and frame are connected and fixed; Pole is fixed on the frid of transmission mechanism; The upper end of insulated tension pole connects transmission mechanism, and the lower end and the transmission crank arm of insulated tension pole are hinged, and transmission crank arm is connected with the contact of breaker pull bar.
2. isolated vacuum breaker according to claim 1 is characterized in that: the rotational angle of each position of described insulation main shaft 3 is 60 °.
3. isolated vacuum breaker according to claim 1 is characterized in that: described connecting lever has encased 2/3 of isolation switch length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200032052U CN201655653U (en) | 2010-01-13 | 2010-01-13 | Isolation vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200032052U CN201655653U (en) | 2010-01-13 | 2010-01-13 | Isolation vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201655653U true CN201655653U (en) | 2010-11-24 |
Family
ID=43120897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200032052U Expired - Lifetime CN201655653U (en) | 2010-01-13 | 2010-01-13 | Isolation vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201655653U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157294A (en) * | 2011-03-31 | 2011-08-17 | 厦门科力特电气有限公司 | Three-station isolation ground switch |
| CN103311812A (en) * | 2013-06-28 | 2013-09-18 | 浙江天润电力科技有限公司 | Combined electrical apparatus with isolation switch, vacuum breaker and earthing switch |
| CN103531378A (en) * | 2013-09-29 | 2014-01-22 | 江苏德春电力科技有限公司 | Combined switch |
| CN104577799A (en) * | 2014-12-10 | 2015-04-29 | 江苏德春电力科技有限公司 | Intelligent power grid modular circuit breaker equipment |
| CN104917095A (en) * | 2015-06-26 | 2015-09-16 | 厦门协成实业有限公司 | Complete coating-type three-position isolation circuit breaker |
| CN115566569A (en) * | 2022-11-09 | 2023-01-03 | 黄华集团有限公司 | Environment-friendly gas insulation switch cabinet |
-
2010
- 2010-01-13 CN CN2010200032052U patent/CN201655653U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157294A (en) * | 2011-03-31 | 2011-08-17 | 厦门科力特电气有限公司 | Three-station isolation ground switch |
| CN102157294B (en) * | 2011-03-31 | 2013-09-04 | 厦门科力特电气有限公司 | Three-station isolation ground switch |
| CN103311812A (en) * | 2013-06-28 | 2013-09-18 | 浙江天润电力科技有限公司 | Combined electrical apparatus with isolation switch, vacuum breaker and earthing switch |
| CN103311812B (en) * | 2013-06-28 | 2015-07-15 | 浙江天润电力科技有限公司 | Combined electrical apparatus with isolation switch, vacuum breaker and earthing switch |
| CN103531378A (en) * | 2013-09-29 | 2014-01-22 | 江苏德春电力科技有限公司 | Combined switch |
| CN104577799A (en) * | 2014-12-10 | 2015-04-29 | 江苏德春电力科技有限公司 | Intelligent power grid modular circuit breaker equipment |
| CN104917095A (en) * | 2015-06-26 | 2015-09-16 | 厦门协成实业有限公司 | Complete coating-type three-position isolation circuit breaker |
| CN104917095B (en) * | 2015-06-26 | 2017-11-14 | 协成科技股份有限公司 | The full station isolation circuit breakers of clad type three |
| CN115566569A (en) * | 2022-11-09 | 2023-01-03 | 黄华集团有限公司 | Environment-friendly gas insulation switch cabinet |
| CN115566569B (en) * | 2022-11-09 | 2023-06-06 | 黄华集团有限公司 | Environment-friendly gas-insulated switchgear |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361009 Cai Tong Industrial Development Zone, Fujian, Xiamen Patentee after: SUCTRN TECHNOLOGY CO., LTD. Address before: 361009 Cai Tong Industrial Development Zone, Fujian, Xiamen Patentee before: Xiamen Xiecheng Industrial Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |