CN104332363A - Switching off-and-on operating mechanism for circuit breaker - Google Patents
Switching off-and-on operating mechanism for circuit breaker Download PDFInfo
- Publication number
- CN104332363A CN104332363A CN201310309524.4A CN201310309524A CN104332363A CN 104332363 A CN104332363 A CN 104332363A CN 201310309524 A CN201310309524 A CN 201310309524A CN 104332363 A CN104332363 A CN 104332363A
- Authority
- CN
- China
- Prior art keywords
- release lever
- circuit breaker
- back link
- front rod
- hinged
- 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.)
- Granted
Links
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
-
- 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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A switching off-and-on operating mechanism for a circuit breaker comprises a side board (1) and is characterized in that a semi-shaft (2), a release rod (3), a rotating shaft (4) and an energy storage rod (5) are equipped on the side board (1) through hinging; the side board is provided with a release rod backstop shaft (6a), a backstop shaft (6) and a spacing shaft (7) fixedly; the rotating shaft (4) is provided with a cantilever (8) fixedly; the release rod (3) is hinged with a front connecting rod (9); the front connecting rod (9) is hinged with a back connecting rod (10); the back connecting rod (10) is hinged with the cantilever (8); and a roller (11) is arranged between the front connecting rod (9) and the back connecting rod (10) or on the front connecting rod (9) or the back connecting rod (10). According to the switching off-and-on operating mechanism, through changing two-stage transmission of the switching off-and-on mechanism for the circuit breaker in prior art to one-stage transmission, the one-stage transmission ensures a reasonable contact force between the release rod (3) and the semi-shaft (2), a force to the operating mechanism in a switched-on state is transmitted to the rotating shaft (4) and the release rod backstop shaft. Not only is number of components of the whole mechanism reduced, but also transmission reliability is improved. Switching off-and-on speed of the circuit breaker is improved.
Description
Technical field
The invention belongs to low voltage equipment technical field, specifically just relate to a kind of opening/closing operation mechanism for circuit breaker, can improve divide-shut brake rapidity and the reliability of circuit breaker, structure is simple, and operation is convenient.
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.Mostly structure is more complicated for circuit breaker on/off switch operating mechanism as existing in accompanying drawing 1, cause close point rapidity comparatively slowly, Reliability of Microprocessor is not high.
Chinese patent CN1017709044A discloses the rotating shaft connected system in a kind of circuit breaker operation mechanism, the main shaft of this rotating shaft connected system connecting breaker, cantilever on main shaft and the quadric chain of circuit breaker, this rotating shaft connected system comprises: connecting pin, is connected to the cantilever of main shaft; Connect roller, be enclosed within connecting pin; Rotating shaft; Cam, is connected to rotating shaft and rotates around the axis; Wherein, the side of cam connects quadric chain, the opposite side of cam be connected roller contact, this invention can reduce the tripping force of operating mechanism, but whole mechanism realizes divide-shut brake motion by two-stage transmission, and transmission is complicated, precision is not high, and divide-shut brake rapidity is comparatively slow, reduces the performance of circuit breaker.
Summary of the invention
The object of the invention is the close/open machine for existing circuit breaker, complex structure, secondary transmission causes divide-shut brake rapidity slower, the technological deficiency of reliable transmission deficiency, there is provided a kind of opening/closing operation mechanism for circuit breaker, changing breaker close/open machine secondary transmission in prior art is primary transmission, not only decreases the parts of whole mechanism, the reliability of the transmission that simultaneously improve, accelerates circuit-breaker switching on-off rapidity.
Technical scheme
In order to realize above-mentioned technical purpose, the present invention designs a kind of opening/closing operation mechanism for circuit breaker, it comprises side plate, it is characterized in that: hinged on described side plate semiaxis, release lever, rotating shaft and energy storage bar are housed, release lever backstop axle, backstop axle and limit shaft are fixedly housed, described rotating shaft is fixedly equipped with cantilever, described release lever and front rod hinged, front rod and back link hinged, back link and cantilever hinged, roller is arranged between front rod and back link or on front rod or on back link;
Described semiaxis can rotate around self pin joint, release lever can rotate around self pin joint, in release lever rotation process can respectively with semiaxis and release lever backstop axle tangent, energy storage bar can rotate around self pin joint, energy storage bar rotation process can drive roller movement, thus drive front rod hinged each other and back link motion, the motion of back link drives cantilever to rotate, the rotation of cantilever drives axis of rotation, rotational travel can be limited by limited axle in cantilever rotation process, in front rod motion process, movement travel can be limited by stop axle.
Can turn in described release lever rotation process and back link and the same pivot of energy storage bar three.Described limit shaft is positioned at front rod lower position.
Described stop axle is positioned at back link top position.
Described release lever backstop axle is positioned at the below of semiaxis.
Beneficial effect
The present invention is primary transmission by changing breaker close/open machine secondary transmission in prior art, one-level is rotated and is being ensured the contact force of rational release lever and semiaxis simultaneously, rotating shaft and release lever rotating shaft is passed to by giving the power of operating mechanism under "on" position, not only decrease the parts of whole mechanism, the reliability of the transmission that simultaneously improve, accelerates circuit-breaker switching on-off rapidity.
Accompanying drawing explanation
Accompanying drawing 1 is gate-dividing state structural representation of the present invention.
Accompanying drawing 2 is "on" position structural representations of the present invention.
Accompanying drawing 3 is trip status structural representations of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment
A kind of opening/closing operation mechanism for circuit breaker, it comprises side plate 1, wherein, hinged on described side plate 1 semiaxis 2, release lever 3, rotating shaft 4 and energy storage bar 5 are housed, release lever backstop axle 6a, backstop axle 6 and limit shaft 7 are fixedly housed, cantilever 8 is fixedly equipped with in described rotating shaft 4, described release lever 3 is hinged with front rod 9, front rod 9 is hinged with back link 10, back link 10 and cantilever hinged 8, and roller 11 is arranged between front rod 9 and back link 10 or on front rod 9 or on back link 10;
Described semiaxis 2 can rotate around self pin joint, release lever 3 can rotate around self pin joint, in release lever 3 rotation process can respectively with semiaxis 2 and release lever backstop axle 6a tangent, energy storage bar 5 can rotate around self pin joint, energy storage bar 5 rotation process can drive roller 11 to move, thus drive front rod 9 hinged each other and back link 10 to move, the motion of back link 10 drives cantilever 8 to rotate, the rotation of cantilever 8 drives rotating shaft 4 to rotate, rotational travel can be limited by limited axle 7 in cantilever 8 rotation process, movement travel can be limited by stop axle 6 in front rod 1 motion process.
Can turn in described release lever 3 rotation process and back link 10 and the same pivot of energy storage bar 5 three.
Described limit shaft 7 is positioned at front rod 9 lower position.
Described stop axle 6 is positioned at back link 10 top position.
Described release lever backstop axle 6a is positioned at the below of semiaxis 2.
The course of work of the present invention is as shown in Figure 1, under gate-dividing state: when energy storage bar 5 is in energy storage position under energy-stored spring effect, the release lever 3 hinged with front rod 9 is tangent with release lever backstop axle 6a, cantilever 8 in rotating shaft 4 is limited stroke with limit shaft 7 is tangent, front rod 9 and back link 10 can be contacted with energy storage bar 5 by roller 11, and then cause rotating shaft 4 to rotate counterclockwise rear beginning feed motion.
As shown in Figure 2 under "on" position, release lever 3 is tangent with semiaxis 2, and front rod 9 is limited stroke with backstop axle 6 is tangent, and the cantilever 8 in rotating shaft 4 leaves limit shaft 7 and has a certain degree with side plate 1, now, release lever 3 turns to and front rod 9 and the same pivot of energy storage bar 5 three.
As shown in Figure 3 under trip status, when energy storage bar 5 is in and releases energy position, release lever 3 leaves semiaxis 2, and front rod 9 leaves backstop axle 6, and the cantilever 8 in rotating shaft 4 is tangent with limit shaft 7.
The present invention is primary transmission by changing breaker close/open machine secondary transmission in prior art, one-level is rotated and is being ensured the contact force of rational release lever 3 and semiaxis 2 simultaneously, rotating shaft 4 and release lever rotating shaft is passed to by giving the power of operating mechanism under "on" position, not only decrease the parts of whole mechanism, the reliability of the transmission that simultaneously improve, accelerates circuit-breaker switching on-off rapidity.
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 (5)
1. the opening/closing operation mechanism for circuit breaker, it comprises side plate (1), it is characterized in that: described side plate (1) is above hinged is equipped with semiaxis (2), release lever (3), rotating shaft (4) and energy storage bar (5), release lever backstop axle (6a) is fixedly housed, backstop axle (6) and limit shaft (7), described rotating shaft (4) is upper is fixedly equipped with cantilever (8), described release lever (3) is hinged with front rod (9), front rod (9) is hinged with back link (10), back link (10) is hinged with cantilever (8), roller (11) is arranged between front rod (9) and back link (10) or front rod (9) is upper or on back link (10),
Described semiaxis (2) can rotate around self pin joint, release lever (3) can rotate around self pin joint, in release lever (3) rotation process can respectively with semiaxis (2) and release lever backstop axle (6a) tangent, energy storage bar (5) can rotate around self pin joint, energy storage bar (5) rotation process can drive roller (11) to move, thus drive front rod (9) hinged each other and back link (10) motion, the motion of back link (10) drives cantilever (8) to rotate, the rotation of cantilever (8) drives rotating shaft (4) to rotate, rotational travel can be limited by limited axle (7) in cantilever (8) rotation process, movement travel can be limited by stop axle (6) in front rod (1) motion process.
2. a kind of opening/closing operation mechanism for circuit breaker as claimed in claim 1, is characterized in that: can turn in described release lever (3) rotation process and back link (10) and the same pivot of energy storage bar (5) three.
3. a kind of opening/closing operation mechanism for circuit breaker as claimed in claim 1, is characterized in that: described limit shaft (7) is positioned at front rod (9) lower position.
4. a kind of opening/closing operation mechanism for circuit breaker as claimed in claim 1, is characterized in that: described stop axle (6) is positioned at back link (10) top position.
5. a kind of opening/closing operation mechanism for circuit breaker as claimed in claim 1, is characterized in that: described release lever backstop axle (6a) is positioned at the below of semiaxis (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310309524.4A CN104332363B (en) | 2013-07-22 | 2013-07-22 | Switching off-and-on operating mechanism for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310309524.4A CN104332363B (en) | 2013-07-22 | 2013-07-22 | Switching off-and-on operating mechanism for circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104332363A true CN104332363A (en) | 2015-02-04 |
| CN104332363B CN104332363B (en) | 2017-02-08 |
Family
ID=52407073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310309524.4A Active CN104332363B (en) | 2013-07-22 | 2013-07-22 | Switching off-and-on operating mechanism for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104332363B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911187A (en) * | 2018-09-18 | 2020-03-24 | 上海良信电器股份有限公司 | Rotary switch operating mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6479774B1 (en) * | 2000-03-17 | 2002-11-12 | General Electric Company | High energy closing mechanism for circuit breakers |
| CN2812271Y (en) * | 2005-08-02 | 2006-08-30 | 江苏凯隆电器有限公司 | Operating mechanism for circuit breaker |
| CN202076198U (en) * | 2011-05-18 | 2011-12-14 | 常熟开关制造有限公司(原常熟开关厂） | Operating mechanism of air circuit breaker |
| CN203055817U (en) * | 2012-12-28 | 2013-07-10 | 江苏大全凯帆电器股份有限公司 | A cam transmission part of a universal breaker operating mechanism |
| CN203367179U (en) * | 2013-07-22 | 2013-12-25 | 上海良信电器股份有限公司 | A brake opening and closing operating mechanism used for a breaker |
-
2013
- 2013-07-22 CN CN201310309524.4A patent/CN104332363B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6479774B1 (en) * | 2000-03-17 | 2002-11-12 | General Electric Company | High energy closing mechanism for circuit breakers |
| CN2812271Y (en) * | 2005-08-02 | 2006-08-30 | 江苏凯隆电器有限公司 | Operating mechanism for circuit breaker |
| CN202076198U (en) * | 2011-05-18 | 2011-12-14 | 常熟开关制造有限公司(原常熟开关厂） | Operating mechanism of air circuit breaker |
| CN203055817U (en) * | 2012-12-28 | 2013-07-10 | 江苏大全凯帆电器股份有限公司 | A cam transmission part of a universal breaker operating mechanism |
| CN203367179U (en) * | 2013-07-22 | 2013-12-25 | 上海良信电器股份有限公司 | A brake opening and closing operating mechanism used for a breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911187A (en) * | 2018-09-18 | 2020-03-24 | 上海良信电器股份有限公司 | Rotary switch operating mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104332363B (en) | 2017-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103646827A (en) | Energy storage system of circuit breaker operating mechanism | |
| CN205376431U (en) | Power -driven operation device | |
| CN101630611B (en) | Selective protective breaker | |
| CN203277255U (en) | Bouncing-prevention mechanism for breaker | |
| CN203596327U (en) | Energy storage system of breaker operation mechanism | |
| CN203367179U (en) | A brake opening and closing operating mechanism used for a breaker | |
| CN104701039A (en) | Spring operating mechanism | |
| CN204407268U (en) | A kind of miniature circuit breaker switching off/on device | |
| CN201242984Y (en) | Selective protection circuit breaker | |
| CN104332363A (en) | Switching off-and-on operating mechanism for circuit breaker | |
| CN102496495B (en) | Energy storage spring operating mechanism for low-voltage disconnecting switch | |
| CN203746774U (en) | Breaker structure capable of rapid releasing by means of electro-dynamic repulsion force, and breaker | |
| CN204332875U (en) | A kind of circuit breaker failure resetting device | |
| CN208548329U (en) | The operating mechanism and breaker of breaker | |
| CN204966430U (en) | Circuit breaker tripped mechanism | |
| CN204497163U (en) | A kind of circuit breaker failure tripping indicating device | |
| CN204360941U (en) | A kind of spring operating mechanism | |
| CN208738162U (en) | The transmission mechanism of breaker | |
| CN101051579A (en) | Low voltage circuit breaker with quick ectuating function | |
| CN203445074U (en) | Circuit breaker opening and closing association mechanism | |
| CN101170031B (en) | Quick break low voltage circuit breaker | |
| CN203733729U (en) | Moving contact reset mechanism improving circuit breaker opening synchronism | |
| CN204407270U (en) | A kind of circuit breaker failure dropout performance element | |
| CN207558723U (en) | Small type circuit breaker operating mechanism | |
| CN204407272U (en) | A kind of breaker open operation actuator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |