CN204270968U - A kind of double-fracture vacuum switch module of multi-break high-pressure vacuum breaker - Google Patents
A kind of double-fracture vacuum switch module of multi-break high-pressure vacuum breaker Download PDFInfo
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- CN204270968U CN204270968U CN201420765901.5U CN201420765901U CN204270968U CN 204270968 U CN204270968 U CN 204270968U CN 201420765901 U CN201420765901 U CN 201420765901U CN 204270968 U CN204270968 U CN 204270968U
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Abstract
The utility model discloses a kind of double-fracture vacuum switch module of multi-break high-pressure vacuum breaker, belong to power high voltage field of switches, module is primarily of two vacuum interrupters of connecting and the rapid permanent-magnet operating mechanism composition being connected in each arc control device moving conductive rod, two vacuum interrupters are pressed certain angle and are become " V " font to arrange, reach the object optimized insulation coordination, be convenient to multimode series connection; This cascaded structure design can make the mechanism of two vacuum interrupters share a driving power control cabinet, reduces block coupled in series number, thus simplifies the overall structure of block coupled in series formula vacuum circuit-breaker.The utility model solves that serial module structure vacuum circuit breaker constructions is complicated, cost is high, the problem of poor reliability, for multi-break high-pressure vacuum breaker provides a kind of utility structure.
Description
Technical field
The utility model relates to power high voltage field of switches, more particularly, relates to a kind of double-fracture vacuum switch module structure of multi-break high-pressure vacuum breaker.
Background technology
In high-voltage electric power system, circuit breaker is one of visual plant ensureing system safety operation, and it has closing and cut-offs circuit, the change connected mode of system and the function of topological structure and disjunction fault current, carries the dual role of control and protection.Vacuum circuit-breaker is a kind of green medium circuit breaker of middle pressure field successful Application, has the SF6 circuit breaker of greenhouse effect and is developing to voltage levels at present for replacing.What realize one of high pressure and the most feasible scheme of superhigh pressure application is multi-break technology by block coupled in series, its technical bottleneck is modular unit high reliability and miniaturization, as directly connected by the size of grand master pattern block, there is complex structure, cost is high, the defects such as poor reliability, limit this circuit breaker and develop to voltage levels.
Utility model content
The purpose of this utility model is the double-fracture vacuum switch module structure proposing a kind of multi-break high-pressure vacuum breaker, for forming the high-pressure vacuum breaker of structure relative compact, making it to ensure switch parameter, thus solving the bottleneck of prior art.
The utility model provides a kind of double-fracture vacuum switch module of multi-break high-pressure vacuum breaker, and this double-fracture vacuum switch module comprises two the identical fractures of structure, module external conductive casing 7 and module controls casees 8.
The fracture that " V " font is arranged is made up of the fracture that two structures are identical, each fracture comprises outlet flanges 1, vacuum interrupter 2, insulating coating 3, sliding contact lead-in wire 4, permanent-magnet manipulating mechanism 5 and position detecting element 6, and wherein outlet flanges 1 is connected with vacuum interrupter 2; Moved end and the sliding contact of vacuum interrupter 2 go between and 4 to be connected; Vacuum interrupter 2 is connected with permanent-magnet manipulating mechanism 5; Position detecting element 6 is arranged on the guide post of permanent-magnet manipulating mechanism 5; Outlet flanges 1, vacuum interrupter 2, sliding contact lead-in wire 4, permanent-magnet manipulating mechanism 5 and position detecting element 6 are arranged in insulating coating, form a fracture.
Become two fractures of " V " font to be fixedly mounted on to support on external conductive casing 7.
Module controls case 8 is installed on and supports external conductive casing 7 inside.The driving being responsible for permanent-magnet manipulating mechanism 5 in two fractures from tool type power supply and its power-supply management system of module controls case 8 inside, can realize the electrical quantity of double-fracture and the best fit of structural parameters.
Two vacuum interrupters in the fracture that " V " font of the fracture composition that two structures are identical is arranged and two permanent-magnet manipulating mechanisms, be fixed on support external conductive casing to be symmetrical in center line 30-120 degree angle.
Effect of the present utility model is the reduction of block coupled in series number, solves the problem that yardstick is large, cost is high, for multi-break high-pressure vacuum breaker provides high parameter basic module.The double-fracture vacuum switch module that this technology relates to, structure is simple, save space, cost is low, and is of value to the vacuum circuit-breaker realizing more voltage levels.
Accompanying drawing explanation
Fig. 1 is double-fracture vacuum switch module structure chart front view of the present utility model.
Fig. 2 is double-fracture vacuum switch module structure chart left view of the present utility model.
Fig. 3 is double-fracture vacuum switch module structure chart vertical view of the present utility model.
Fig. 4 is embodiment front view of the present utility model.
In figure: two identical fractures are symmetrical in center line and arrange; 1 outlet flanges; 2 vacuum interrupters; 3 insulating coatings; 4 sliding contact lead-in wires; 5 permanent-magnet manipulating mechanisms; 6 position detecting elements; 7 support external conductive casing; 8 module controls casees; 9 total outlets; 10 double-fracture module body; 11 220kV supporting insulators; 12 control optical fiber; 13 circuit breaker bases.
Embodiment
Embodiment of the present utility model is further illustrated below in conjunction with accompanying drawing and technical scheme.
The fracture of described module is successively by outlet flanges 1, and vacuum interrupter 2, moved end sliding contact lead-in wire 4, permanent-magnet manipulating mechanism 5, position detecting element 6 connects to form.When switch module is in closure state, electric current from the outlet flanges 1 of a fracture, vacuum interrupter 2, moved end sliding contact lead-in wire 4, directly arrives module external conductive casing 7, then goes between 4 by the moved end sliding contact of another fracture, vacuum interrupter 2, flows out to outlet flanges 1.When after the separating brake instruction that module controls case 8 sends, the permanent-magnet manipulating mechanism 5 of two fractures pulls the moving conductive rod of each vacuum interrupter 2 simultaneously, makes it complete separating brake action, and two vacuum interrupters 2 form the gate-dividing state of two series connection fractures after extinguishing fault electric arc.Insulating coating 3 ensures the external insulation of each fracture, and the mechanism of two vacuum interrupters shares a module controls case 8, is responsible for driving power control and the optically-controlled signal conversion of each permanent-magnet manipulating mechanism 5 in case from tool type power supply and power-supply management system.
Under optimal way, in order to achieve the above object, described two identical fractures become " V " font to arrange, be symmetrical in, and the angle of center line is 30 degree of-120 degree, the insulation coordination of the antifouling of double-fracture and multi-break series connection can be ensured, the grade of rated voltage of vacuum interrupter is 40.5kV-72.5kV, outlet flanges 1 is high connductivity cast aluminium with the material of module external conductive casing 7, moving conductive rod of vacuum arc extinguish chamber is by sliding contact lead-in wire 4, directly link module external conductive casing 7, save insulated tension pole and the kinematic pair of conventional vacuum switch.
Embodiment of the present utility model is the high voltage direct current vacuum circuit-breaker of 252kV multi-break, is often made up of three the utility model double-fracture vacuum switch modules, as shown in Figure 4.Double-fracture vacuum switch module parameter is: rated voltage 72.5kV (2X 40.5kV), nominal short-circuit fault breaking current 40kA.
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection range of the present utility model.
Claims (2)
1. a double-fracture vacuum switch module for multi-break high-pressure vacuum breaker, is characterized in that, this double-fracture vacuum switch module comprises two the identical fractures of structure, module external conductive casing and module controls casees;
The fracture that " V " font is arranged is made up of the fracture that two structures are identical, and each fracture comprises outlet flanges, vacuum interrupter, insulating coating, sliding contact lead-in wire, permanent-magnet manipulating mechanism and position detecting element, and wherein outlet flanges is connected with vacuum interrupter; The moved end of vacuum interrupter goes between with sliding contact and is connected; Vacuum interrupter is connected with permanent-magnet manipulating mechanism; Position detecting element is arranged on the guide post of permanent-magnet manipulating mechanism; Outlet flanges, vacuum interrupter, sliding contact lead-in wire, permanent-magnet manipulating mechanism and position detecting element are arranged in insulating coating, form a fracture;
The fracture that " V " font is arranged is fixedly mounted on and supports on external conductive casing;
Module controls case is installed on and supports external conductive casing inside; The driving being responsible for permanent-magnet manipulating mechanism in two fractures from tool type power supply and its power-supply management system of module controls case inside, realizes the electrical quantity of double-fracture and the best fit of structural parameters.
2. double-fracture vacuum switch module according to claim 1, it is characterized in that, two vacuum interrupters in the fracture that " V " font of the fracture composition that two structures are identical is arranged and two permanent-magnet manipulating mechanisms, be fixed on support external conductive casing to be symmetrical in center line 30-120 degree angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765901.5U CN204270968U (en) | 2014-12-08 | 2014-12-08 | A kind of double-fracture vacuum switch module of multi-break high-pressure vacuum breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765901.5U CN204270968U (en) | 2014-12-08 | 2014-12-08 | A kind of double-fracture vacuum switch module of multi-break high-pressure vacuum breaker |
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| Publication Number | Publication Date |
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| CN204270968U true CN204270968U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420765901.5U Active CN204270968U (en) | 2014-12-08 | 2014-12-08 | A kind of double-fracture vacuum switch module of multi-break high-pressure vacuum breaker |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444437A (en) * | 2019-07-12 | 2019-11-12 | 大连理工大学 | A kind of high-pressure vacuum breaker intelligent object of high potential driving |
| CN112700997A (en) * | 2020-12-15 | 2021-04-23 | 大连理工大学 | Integrated switch based on power electronic device and mechanical switch and control method thereof |
-
2014
- 2014-12-08 CN CN201420765901.5U patent/CN204270968U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444437A (en) * | 2019-07-12 | 2019-11-12 | 大连理工大学 | A kind of high-pressure vacuum breaker intelligent object of high potential driving |
| CN112700997A (en) * | 2020-12-15 | 2021-04-23 | 大连理工大学 | Integrated switch based on power electronic device and mechanical switch and control method thereof |
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| GR01 | Patent grant |