CN104377087A - Circuit breaker switching-on and switching-off association mechanism - Google Patents
Circuit breaker switching-on and switching-off association mechanism Download PDFInfo
- Publication number
- CN104377087A CN104377087A CN201310359645.XA CN201310359645A CN104377087A CN 104377087 A CN104377087 A CN 104377087A CN 201310359645 A CN201310359645 A CN 201310359645A CN 104377087 A CN104377087 A CN 104377087A
- Authority
- CN
- China
- Prior art keywords
- separating brake
- switching
- combined floodgate
- elongator
- semiaxis
- Prior art date
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1009—Interconnected mechanisms
- H01H71/1027—Interconnected mechanisms comprising a bidirectional connecting member actuated by the opening movement of one pole to trip a neighbour pole
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- Breakers (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A circuit breaker switching-on and switching-off association mechanism comprises a side plate and is characterized in that a switching-on lever is installed on the side plate and can abut against a switching-on half shaft, a switching-on extending part is installed on the switching-on half shaft, a switching-on limiting convex rod extends out of the switching-on extending part and extends into a switching-on limiting hole, the switching-on limiting hole is formed in the side plate, and a switching-on half shaft reset spring is installed on the switching-on limiting convex rod. The switching-on extending part can be in contact with a switching-off extending part and is installed on a switching-off half shaft, a switching-off limiting convex rod extends out of the switching-off extending part and extends into a switching-off limiting hole, the switching-off limiting hole is formed in the side plate, and the switching-off reset spring is installed on the switching-off limiting convex rod. When the switching-off half shaft is subjected to fault trip, under-voltage power loss and locking of an off position lock or a mechanical interlock, the switching-on half shaft is locked, a false switching-on phenomenon is avoided, and the reliability and safety of a circuit breaker are improved.
Description
Technical field
The invention belongs to low voltage equipment technical field, specifically just relate to a kind of circuit-breaker switching on-off related organization, purpose of breaker failure can be avoided to produce false switching, improve the safety in utilization of circuit breaker.
Background technology
Circuit breaker is divided into primary cut-out and low-voltage circuit breaker by its scope of application.Low-voltage circuit breaker, also known as automatic switch, is commonly called as " air switch " and also refers to low-voltage circuit breaker, and it is a kind of existing hand switch effect, automatically can carry out again decompression, under-voltage, overload and the electrical equipment of short-circuit protection.It can be used to distribute electric energy; infrequently start asynchronous motor; protection is carried out to power circuit and motor etc.; can automatic shutdown circuit when serious overload or short circuit and the fault such as under-voltage occur for they; its function is equivalent to Fuse switch and the combination of crossing underheat relay etc.; and generally do not need to change parts after disjunction fault current, obtain a wide range of applications.
Omnipotent breaker opening/closing operation mechanism is one of vitals in spring operating mechanism of circuit breaker, and its effect coordinates stored energy mechanism to complete on/off switch and trip action, and ensure the locking of each operating state.Circuit-breaker switching on-off related organization is one of vitals in spring operating mechanism of circuit breaker, and its effect is that circuit breaker should close a floodgate when separating brake semiaxis locks by fault trip, under-voltage dead electricity, open position lock or mechanical interlocking.But a point semiaxis closes by aircraft frame interlocking in existing traditional circuit-breaker switching on-off related organization, and complex structure, easily lost efficacy, and combined floodgate semiaxis cannot be locked, have the potential hazard releasing energy to cause false switching, reliability is not high, reduces the fail safe of circuit breaker.
Summary of the invention
The object of the invention is for existing circuit-breaker switching on-off related organization by aircraft frame interlocking deciliter semiaxis, easy inefficacy produces the technological deficiency of false switching, circuit-breaker switching on-off related organization is provided, can be locked when separating brake by combined floodgate semiaxis, avoid false switching, enhance the reliability of circuit breaker, improve the fail safe of circuit breaker.
Technical scheme
In order to realize above-mentioned technical purpose, the present invention designs a kind of circuit-breaker switching on-off related organization, it comprises side plate, it is characterized in that: described side plate is provided with combined floodgate lever, described combined floodgate lever can prop up combined floodgate semiaxis, combined floodgate semiaxis is equipped with combined floodgate elongator, combined floodgate elongator stretches out the spacing nose bar that closes a floodgate, the spacing nose bar that closes a floodgate stretches in combined floodgate spacing hole, and combined floodgate spacing hole is opened on side plate, the spacing nose bar that closes a floodgate is equipped with combined floodgate semiaxis back-moving spring;
Combined floodgate elongator can contact with separating brake elongator, separating brake elongator is contained on separating brake semiaxis, separating brake elongator stretches out the spacing nose bar of separating brake, and the spacing nose bar of separating brake stretches in separating brake spacing hole, separating brake spacing hole is opened on side plate, and the spacing nose bar of separating brake is equipped with separating brake back-moving spring;
Described combined floodgate lever, combined floodgate semiaxis and separating brake semiaxis are hinged with side plate respectively;
Described separating brake semiaxis can rotate counterclockwise the spacing nose bar of separating brake and be positioned at separating brake spacing hole top, and described separating brake elongator can prop up combined floodgate elongator, combined floodgate elongator by combined floodgate back-moving spring and the acting in conjunction of separating brake elongator locked;
Described separating brake semiaxis can rotate clockwise reset under separating brake action of reset spring;
Described combined floodgate semiaxis can rotate reset under combined floodgate semiaxis action of reset spring.
Described separating brake back-moving spring one end is contained on the spacing nose bar of separating brake, and the other end is contained on the erection column of side plate.
Described combined floodgate back-moving spring one end is contained on the protruding post of side plate, and the other end is connected to and closes a floodgate on spacing nose bar.
Described combined floodgate elongator and separating brake elongator contact point Impact direction and the spacing nose bar Impact direction of separating brake are positioned at both sides, separating brake semiaxis axis.
Beneficial effect
The present invention is when separating brake semiaxis locks by fault trip, under-voltage dead electricity, open position lock or mechanical interlocking, and combined floodgate semiaxis is locked, avoids false switching phenomenon occurs, and enhances the reliability of circuit breaker, improves the fail safe of circuit breaker.
Accompanying drawing explanation
Accompanying drawing 1 is that the present invention is at normal occlusion brake structure schematic diagram.
Accompanying drawing 2 is that the present invention is at the locked lower combined floodgate semiaxis locking structure schematic diagram of separating brake semiaxis.
Accompanying drawing 3 is spacing nose bar mounting structure schematic diagrames in the present invention.
Accompanying drawing 4 is close a floodgate in accompanying drawing 1 elongator and the stressed schematic diagram of separating brake elongator contact point.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment
As shown in accompanying drawing 1,3 and 4, a kind of circuit-breaker switching on-off related organization, it comprises side plate 1, it is characterized in that: described side plate 1 is provided with combined floodgate lever 2, described combined floodgate lever 2 can prop up combined floodgate semiaxis 3, combined floodgate semiaxis 3 is equipped with combined floodgate elongator 4, combined floodgate elongator 4 stretches out the spacing nose bar 401 that closes a floodgate, the spacing nose bar 401 that closes a floodgate stretches in combined floodgate spacing hole 4a, and combined floodgate spacing hole 4a opens on side plate 1, and the spacing nose bar 401 that closes a floodgate is equipped with combined floodgate semiaxis back-moving spring 5;
Combined floodgate elongator 4 can contact with separating brake elongator 6, separating brake elongator 6 is contained on separating brake semiaxis 7, separating brake elongator 6 stretches out the spacing nose bar 601 of separating brake, the spacing nose bar 601 of separating brake stretches in separating brake spacing hole 7a, separating brake spacing hole 7a opens on side plate 1, and the spacing nose bar 601 of separating brake is equipped with separating brake back-moving spring 8;
Described combined floodgate lever 2, combined floodgate semiaxis 3 and separating brake semiaxis 7 are hinged with side plate 1 respectively;
Described separating brake semiaxis 7 can rotate counterclockwise the spacing nose bar 601 of separating brake and be positioned at separating brake spacing hole 7a top, and described separating brake elongator 6 can prop up combined floodgate elongator 4, combined floodgate elongator 4 by combined floodgate back-moving spring 8 and separating brake elongator 6 acting in conjunction locked;
Described separating brake semiaxis 7 can rotate at separating brake back-moving spring 8 clockwise under influence and reset;
Described combined floodgate semiaxis 3 can rotate and reset under the effect of combined floodgate semiaxis back-moving spring 5.
Described separating brake back-moving spring 8 one end is contained on the spacing nose bar 601 of separating brake, and the other end is contained on the erection column 9 of side plate 1.
Described combined floodgate back-moving spring 8 one end is contained on the protruding post 10 of side plate 1, and the other end is connected to and closes a floodgate on spacing nose bar 401.
Described combined floodgate elongator 4 is positioned at both sides, separating brake semiaxis 7 axis with separating brake elongator 6 contact point Impact direction and separating brake spacing nose bar 601 Impact direction.
As shown in Figure 2, operation principle of the present invention is when separating brake semiaxis 7 rotates counterclockwise generation separating brake, rotational travel is limited in separating brake spacing hole 7a top by the spacing nose bar 601 of separating brake, now, combined floodgate elongator 4 rests on bottom combined floodgate spacing hole 4a by combined floodgate back-moving spring 8 effect, combined floodgate elongator 4 by combined floodgate back-moving spring 8 and separating brake elongator 6 acting in conjunction locked, combined floodgate semiaxis 3 cannot rotate, therefore can not carry out feed motion.After external fault is removed, separating brake elongator 6 rotates clockwise, and combined floodgate elongator 4 is separated with separating brake elongator 6, and as shown in Figure 1, combined floodgate semiaxis 3 can turn clockwise, thus can carry out feed motion.
The present invention is when separating brake semiaxis locks by fault trip, under-voltage dead electricity, open position lock or mechanical interlocking, and combined floodgate semiaxis is locked, avoids false switching phenomenon occurs, and enhances the reliability of circuit breaker, improves the fail safe of circuit breaker.
The relative position referring to part all around in the specific embodiment of the invention; but not absolute position; the claimed technology contents of the present invention is not limited only to the technical scheme that the present embodiment provides, and any technical scheme by the present embodiment enlightenment all falls into protection scope of the present invention.
Claims (4)
1. a circuit-breaker switching on-off related organization, it comprises side plate (1), it is characterized in that: described side plate (1) is provided with combined floodgate lever (2), described combined floodgate lever (2) can prop up combined floodgate semiaxis (3), combined floodgate elongator (4) combined floodgate semiaxis (3) is equipped with, combined floodgate elongator (4) stretches out the spacing nose bar (401) that closes a floodgate, the spacing nose bar (401) that closes a floodgate stretches in combined floodgate spacing hole (4a), combined floodgate spacing hole (4a) is opened on side plate (1), close a floodgate on spacing nose bar (401) and combined floodgate semiaxis back-moving spring (5) is housed,
Combined floodgate elongator (4) can contact with separating brake elongator (6), separating brake elongator (6) is contained on separating brake semiaxis (7), separating brake elongator (6) stretches out the spacing nose bar of separating brake (601), the spacing nose bar of separating brake (601) stretches in separating brake spacing hole (7a), separating brake spacing hole (7a) is opened on side plate (1), the spacing nose bar of separating brake (601) is equipped with separating brake back-moving spring (8);
Described combined floodgate lever (2), combined floodgate semiaxis (3) and separating brake semiaxis (7) are hinged with side plate (1) respectively;
Described separating brake semiaxis (7) can rotate counterclockwise the spacing nose bar of separating brake (601) and be positioned at separating brake spacing hole (7a) top, described separating brake elongator (6) can prop up combined floodgate elongator (4), combined floodgate elongator (4) by combined floodgate back-moving spring (8) and separating brake elongator (6) acting in conjunction locked;
Described separating brake semiaxis (7) can be rotated at separating brake back-moving spring (8) clockwise under influence and reset;
Described combined floodgate semiaxis (3) can rotate reset under combined floodgate semiaxis back-moving spring (5) effect.
2. circuit-breaker switching on-off related organization as claimed in claim 1, it is characterized in that: described separating brake back-moving spring (8) one end is contained on the spacing nose bar of separating brake (601), and the other end is contained on the erection column (9) of side plate (1).
3. circuit-breaker switching on-off related organization as claimed in claim 1, it is characterized in that: described combined floodgate back-moving spring (8) one end is contained on the protruding post (10) of side plate (1), the other end is connected to and closes a floodgate on spacing nose bar (401).
4. circuit-breaker switching on-off related organization as claimed in claim 1, is characterized in that: described combined floodgate elongator (4) is positioned at separating brake semiaxis (7) both sides, axis with separating brake elongator (6) contact point Impact direction and the spacing nose bar of separating brake (601) Impact direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310359645.XA CN104377087B (en) | 2013-08-16 | 2013-08-16 | Circuit breaker switching-on and switching-off association mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310359645.XA CN104377087B (en) | 2013-08-16 | 2013-08-16 | Circuit breaker switching-on and switching-off association mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104377087A true CN104377087A (en) | 2015-02-25 |
| CN104377087B CN104377087B (en) | 2017-04-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310359645.XA Active CN104377087B (en) | 2013-08-16 | 2013-08-16 | Circuit breaker switching-on and switching-off association mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104377087B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113889373A (en) * | 2020-07-01 | 2022-01-04 | 上海良信电器股份有限公司 | Circuit breaker divide-shut brake subassembly mounting structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1473754A2 (en) * | 2003-04-30 | 2004-11-03 | Siemens Aktiengesellschaft | Latch mechanism for locking a switch axis and electrical switch with such a latch mechanism |
| US20090255788A1 (en) * | 2008-04-15 | 2009-10-15 | Soundararajan Narayanasamy | spring discharge mechanism for circuit breaker |
| CN101656167A (en) * | 2008-08-22 | 2010-02-24 | 重庆亿科电气股份有限公司 | Spring actuating mechanism of vacuum circuit-breaker |
| CN201498428U (en) * | 2009-08-12 | 2010-06-02 | 浙江贝司特电气有限公司 | Spring operating mechanism of high-voltage vacuum breaker |
| CN201508785U (en) * | 2009-07-30 | 2010-06-16 | 常州市明及电气技术开发有限公司 | Switch on/off control mechanism of side-mounting circuit breaker |
| CN101834074A (en) * | 2010-06-12 | 2010-09-15 | 杨秀丽 | Spring operation mechanism for high-voltage breaker |
| CN203445074U (en) * | 2013-08-16 | 2014-02-19 | 上海良信电器股份有限公司 | Circuit breaker opening and closing association mechanism |
-
2013
- 2013-08-16 CN CN201310359645.XA patent/CN104377087B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1473754A2 (en) * | 2003-04-30 | 2004-11-03 | Siemens Aktiengesellschaft | Latch mechanism for locking a switch axis and electrical switch with such a latch mechanism |
| US20090255788A1 (en) * | 2008-04-15 | 2009-10-15 | Soundararajan Narayanasamy | spring discharge mechanism for circuit breaker |
| CN101656167A (en) * | 2008-08-22 | 2010-02-24 | 重庆亿科电气股份有限公司 | Spring actuating mechanism of vacuum circuit-breaker |
| CN201508785U (en) * | 2009-07-30 | 2010-06-16 | 常州市明及电气技术开发有限公司 | Switch on/off control mechanism of side-mounting circuit breaker |
| CN201498428U (en) * | 2009-08-12 | 2010-06-02 | 浙江贝司特电气有限公司 | Spring operating mechanism of high-voltage vacuum breaker |
| CN101834074A (en) * | 2010-06-12 | 2010-09-15 | 杨秀丽 | Spring operation mechanism for high-voltage breaker |
| CN203445074U (en) * | 2013-08-16 | 2014-02-19 | 上海良信电器股份有限公司 | Circuit breaker opening and closing association mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113889373A (en) * | 2020-07-01 | 2022-01-04 | 上海良信电器股份有限公司 | Circuit breaker divide-shut brake subassembly mounting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104377087B (en) | 2017-04-19 |
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