CN104299836A - Indoor high-voltage circuit breaker with single-phase operated three-phase permanent magnetic mechanism - Google Patents
Indoor high-voltage circuit breaker with single-phase operated three-phase permanent magnetic mechanism Download PDFInfo
- Publication number
- CN104299836A CN104299836A CN201410554881.1A CN201410554881A CN104299836A CN 104299836 A CN104299836 A CN 104299836A CN 201410554881 A CN201410554881 A CN 201410554881A CN 104299836 A CN104299836 A CN 104299836A
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- CN
- China
- Prior art keywords
- phase
- circuit breaker
- permanent magnetic
- large connecting
- voltage circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/022—Details particular to three-phase circuit breakers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses an indoor high-voltage circuit breaker with a single-phase operated three-phase permanent magnetic mechanism. The indoor high-voltage circuit breaker comprises small-size permanent magnetic mechanisms, a box body, large connecting levers, pins, nuts, insulation pull rods and solid-sealed polar poles, wherein the solid-sealed polar poles and the small-size permanent magnetic mechanisms are fixed to the front and the rear of the box body, and the large connecting levers are fixed to the box body through the pins and move vertically with the corresponding pins serving as the circle centers. One end of each large connecting lever is connected with one of three phases of insulation pull rods through the corresponding nut, and the other end of the corresponding large connecting lever is connected with one of three phases of small-size permanent magnetic mechanisms. When the ground fault happens to some phase circuit in the system operation process of the indoor high-voltage circuit breaker with the single-phase operated three-phase permanent magnetic mechanism, it is only required that the corresponding phase of the small-size permanent magnetic mechanism carries out the opening operation according to the judgment of a background control system, and the large connecting levers and the insulation pull rods drive the solid-sealed polar poles to carry out the opening operation. Therefore, the operation reliability of a power system is ensured, and on and off service life of the circuit breaker is not shortened.
Description
Technical field
The present invention relates to a kind of indoor high-voltage circuit breaker.
Background technology
Existing indoor high-voltage circuit breaker is: three-phase is dominated electrode column and is arranged on same casing, three-phase pole lower end is separately installed with three insulated tension poles, insulated tension pole is connected with three-phase connecting lever with cushion block respectively by nut, the other end of connecting lever to be connected with same operating axis by winning in succession, operating axis is connected with the operating mechanism of circuit breaker by connecting lever, and this is the operating mechanism that circuit breaker wants allocating power larger.When circuit breaker needs splitting or integrating lock, operating mechanism action, drives the action simultaneously of three-phase connecting lever by connecting lever and operating axis.Like this when there is single phase ground fault in circuit, operating mechanism carries out separating brake action, thus drives three-phase connecting lever to carry out separating brake action by operating axis; Also to carry out separating brake action with fault all the other two-phases incoherent like this, the INTERRUPTION LIFE (open and close times of circuit breaker is little) of whole circuit breaker will certainly be reduced, and circuit breaker price be higher, thus the purchase cost of equipment can be increased; And Power System in China is in order to ensure the stability that substantial equipment is run, allow phase-deficient operation 2 hours, because circuit breaker is three-phase ganged, can not monophasic action be realized, therefore the reliability of power system operation can not be ensured, reduce all the other two-phase INTERRUPTION LIFE irrelevant with earth fault again.
Summary of the invention
The present invention mainly provides a kind of three-phase permanent mechanism indoor high-voltage circuit breaker of single phase operation.
The technical solution used in the present invention is: a kind of three-phase permanent mechanism indoor high-voltage circuit breaker of single phase operation, comprises minitype permanent magnetism mechanism, casing, large connecting lever, pin, nut, insulated tension pole and pole.It is characterized in that, pole and minitype permanent magnetism mechanism are separately fixed on the front and back position of casing, and large connecting lever is also fixed on casing by pin, and large connecting lever is that the center of circle rotates up and down with pin; One end of large connecting lever is connected with three phase isolated pull bar respectively by nut, and the other end is connected respectively at three-phase minitype permanent magnetism mechanism.
The invention provides the three-phase permanent mechanism indoor high-voltage circuit breaker of single phase operation, although the three-phase loop of circuit breaker is mounted on same casing, but the splitting or integrating lock action between three-phase does not link, namely can carry out three-phase according to actual requirement and operate and single-phase independent operation simultaneously.When there is a certain phase earth fault in the three-phase permanent mechanism indoor high-voltage circuit breaker of single phase operation in system cloud gray model, in order to ensure that system is normally run (allow to lack one and run 2 hours mutually), the judgement according to background control system only needs separating brake earth fault mutually; Thus after fixing a breakdown according to actual conditions, again this is closed a floodgate mutually on request.
Accompanying drawing explanation
Fig. 1 is the structural representation of the three-phase permanent mechanism indoor high-voltage circuit breaker of single phase operation of the present invention.
Fig. 2 is the end view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
In figure: 1, minitype permanent magnetism mechanism 2, casing 3, large connecting lever 4, pin 5, nut 6, insulated tension pole 7, pole 8, existing permanent magnet mechanism 9, little connecting lever 10, win in succession.
As shown in Figure 1-2, the three-phase permanent mechanism indoor high-voltage circuit breaker of single phase operation of the present invention, comprises minitype permanent magnetism mechanism 1, casing 2, large connecting lever 3, pin 4, nut 5, insulated tension pole 6 and pole 7.It is characterized in that, pole 7 and minitype permanent magnetism mechanism 1 are separately fixed on the front and back position of casing 2, and large connecting lever 3 is also fixed on casing 2 by pin 4, and large connecting lever 3 with pin 4 for the center of circle rotates up and down; One end of large connecting lever 3 is connected with three phase isolated pull bar 6 respectively by nut 5, and the other end is connected with three-phase minitype permanent magnetism mechanism 1 respectively.
When the three-phase permanent mechanism indoor high-voltage circuit breaker of single phase operation occurs that in system cloud gray model earth fault appears in a certain phase circuit, in order to ensure that system is normally run (allow to lack one and run 2 hours mutually), only need allow this phase minitype permanent magnetism mechanism 1 sub-switching operation according to the judgement of background control system, drive pole 7 separating brake by large connecting lever 3 and insulated tension pole 6; Otherwise after fixing a breakdown according to actual conditions, this phase minitype permanent magnetism mechanism 1 closing operation, draws 6 bars to drive pole 7 to close a floodgate by large connecting lever 3 and insulation.Like this, both ensure that the reliability of power system operation, do not reduce again the INTERRUPTION LIFE of circuit breaker.
Claims (1)
1. the three-phase permanent mechanism indoor high-voltage circuit breaker of a single phase operation, it is characterized in that being made up of minitype permanent magnetism mechanism (1), casing (2), large connecting lever (3), pin (4), nut (5), insulated tension pole (6) and pole (7), pole (7) and minitype permanent magnetism mechanism (1) are separately fixed on the front and back position of casing (2), large connecting lever (3) is also fixed on casing (2) by pin (4), and large connecting lever (3) with pin (4) for the center of circle rotates up and down; One end of large connecting lever (3) is connected with three phase isolated pull bar (6) respectively by nut (5), and the other end is connected with three-phase minitype permanent magnetism mechanism (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410554881.1A CN104299836A (en) | 2014-10-17 | 2014-10-17 | Indoor high-voltage circuit breaker with single-phase operated three-phase permanent magnetic mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410554881.1A CN104299836A (en) | 2014-10-17 | 2014-10-17 | Indoor high-voltage circuit breaker with single-phase operated three-phase permanent magnetic mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104299836A true CN104299836A (en) | 2015-01-21 |
Family
ID=52319518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410554881.1A Pending CN104299836A (en) | 2014-10-17 | 2014-10-17 | Indoor high-voltage circuit breaker with single-phase operated three-phase permanent magnetic mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104299836A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106469627A (en) * | 2015-08-19 | 2017-03-01 | 厦门华电开关有限公司 | Can phase selection operation switching device |
-
2014
- 2014-10-17 CN CN201410554881.1A patent/CN104299836A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106469627A (en) * | 2015-08-19 | 2017-03-01 | 厦门华电开关有限公司 | Can phase selection operation switching device |
| CN106469627B (en) * | 2015-08-19 | 2020-01-10 | 厦门华电开关有限公司 | Switch device capable of selecting phase operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150121 |