CN2607656Y - Operating mechanism for auxiliary electrical apparatus release of circuit breaker - Google Patents
Operating mechanism for auxiliary electrical apparatus release of circuit breaker Download PDFInfo
- Publication number
- CN2607656Y CN2607656Y CN 02280138 CN02280138U CN2607656Y CN 2607656 Y CN2607656 Y CN 2607656Y CN 02280138 CN02280138 CN 02280138 CN 02280138 U CN02280138 U CN 02280138U CN 2607656 Y CN2607656 Y CN 2607656Y
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- CN
- China
- Prior art keywords
- lever
- tripping
- circuit breaker
- flap
- operating mechanism
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses an operating device of an auxiliary release for a circuit breaker and consists of a rotary plate, a tripping lever, a interface lever, a tripping buckle, an energy-stored spring and a reset lever, and is mainly characterized in that the interface lever is connected with a release device on the circuit breaker through a short column, a short arm of the lever is disposed in a waist hole of the rotary plate. The tripping lever and the rotary plate are coaxially disposed on a third fixed axle of a housing, thus reducing greatly a transmission links.Moreover, because the interface lever saves the force so that cause the reduction of the active force and the arm of force on the rotary plat, the torsional moment of the energy-stored spring on the rotary plate can be greatly reduced so that the handle is convenient and flexile to operate with a reduced tripping force, thus increasing the operating life and the action reliability of the operating device of the auxiliary release.
Description
Technical field
The utility model relates to a kind of circuit breaker assistant release operating mechanism, is the improvement to existing circuit breaker assistant release operating mechanism.Circuit breaker assistant release and main force's switch combination can enlarge the use and the defencive function of circuit breaker, as are combined into residual current action breaker, under voltage circuit breaker and Long-distance Control and make purposes such as circuit breaker trip.
Background technology
Known by China patent ZL89101031, the operating mechanism of a standard type circuit breaker auxiliary trip unit can be connected with a multipole circuit breaker in the side and be coupled, and it comprises:
Tripping lever by tripping relay control with actuating coil and tripping operation cap;
One is passed to trip signal on the mechanical trip connecting rod of the switching mechanism of breaker unit by the tripping operation cap of circuit breaker, to cooperate with above-mentioned relay coil, makes circuit breaker trip;
A hook that is installed between a handle and the plate, this plate pivotally are installed on first stationary spindle between carrying position and the unloading position;
An energy-stored spring, when tripping lever separated hook, it shifted plate onto unloading position;
The automatic involution lever in the centre of a relay and since the action of plate it move to unloading position, this lever is hinged on second stationary spindle of shell;
Plate is supporting the 3rd hinge axle of the short column and the tripping lever of mechanical trip connecting rod; Tripping lever comprises that a first arm that matches with hook makes it second arm that separates with the tripping operation cap of relay with one by being installed in the involution lever that freely rotates on second axle.
Relay is under the situation of excitation, and the tripping operation cap is driven, and affacts on the involution lever of axle rotation, and the driving tripping lever is thrown off so that link up with from the locked position of coupler to the unloading position, and makes the motion contact disconnection between handle and the plate.Plate is released, and upholds action by spring and sends tripping force to circuit breaker by mechanical linkage.Simultaneously make the automatic involution of relay by the involution lever.The tripping force that relay is needed is lower, and is considerable but this tripping force is still.
Another shortcoming of the circuit breaker assistant release of said structure is to need only after the tripping operation handle panel is promptly realized the circuit closure to closing position, send electricity once more, causes security incident when running into abnormal operation so easily.
Summary of the invention
To be solved in the utility model is that the tripping force of existing circuit breaker assistant release fails to reach enough little problem.
The problem of poor safety performance that the utility model will solve again when being the abnormal operation of existing circuit breaker assistant release.
The technical scheme that addresses the above problem employing is: circuit breaker assistant release operating mechanism, comprise flap, tripping lever, interface lever, tripping, energy-stored spring and restoring lever, described tripping lever has the first arm of the mechanical interlocking that can disconnect with described tripping formation and second arm that matches with described restoring lever; Described tripping is articulated on first stationary spindle of flap, by connecting rod and handle mechanical couplings; Described restoring lever is hinged on second stationary spindle of shell: it is characterized in that described interface lever links to each other with tripping mechanism on the circuit breaker by short column, the minor axis of described interface lever is arranged on the described flap in the set waist hole; Described tripping lever and described flap be coaxial to be arranged on the 3rd stationary spindle of shell.
Circuit breaker assistant release operating mechanism of the present utility model, because described tripping lever and the coaxial setting of described flap, can reduce by a transmission link, simultaneously because the interface lever force-saving, make active force and acting force arm on the flap reduce simultaneously, therefore can reduce the moment of torsion of the energy-stored spring on the flap greatly, bring a series of benefits: lever operated laborsaving, light and flexible more; The tripping force of assistant release self reduces, and has improved the operation lifetime of assistant release; The thrust of relay reduces, and has improved the reliable in action of assistant release.
As further improvement of the utility model, also be provided with button and reseting spring leaf that described tripping is detained again on the described shell.Set up and detain again after the push button function, can prevent behind line failure (as catastrophe failures such as electric leakage and person electric shocks), blindly close a floodgate immediately and send electricity, cause bigger serious consequence; Can supervise the user to observe the working specification of " ascertain the reason, eliminate fault and can send ", thereby improve safety in utilization.
Further improve as of the present utility model, described restoring lever top is provided with projection and matches with the outstanding position on the flap again.When flap was in unloading position, the outstanding position of flap was pressed on the projection of restoring lever, utilized the base plate generation distortion of restoring lever to make the push pedal of restoring lever give the relay push rod enough and suitable reset force.Also be provided with the block that the described flap counter-clockwise direction of restriction turns to extreme position on the described shell.Described flap is provided with the fixed stop that the described tripping counter-clockwise direction of restriction turns to extreme position.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation when the carrying position of the present utility model.
Fig. 2 is the structural representation when unloading position of the present utility model.
Fig. 3 is the structural representation when detaining again of the present utility model.
Embodiment
With reference to Fig. 1, circuit breaker assistant release operating mechanism, comprise flap 4, tripping lever 2, interface lever 6, tripping 3, energy-stored spring 5 and restoring lever 7, described tripping lever 2 has the first arm of the mechanical interlocking that can disconnect with described tripping 3 formation and second arm that matches with described restoring lever 7; Described interface lever 6 links to each other with tripping mechanism on the circuit breaker by short column 15, and the minor axis 24 of described interface lever 6 is arranged on the described flap 4 in the set waist hole 14; Described tripping 3 is articulated on first stationary spindle 17 of flap 4, by connecting rod 9 and handle 8 mechanical couplings; Described restoring lever 7 is hinged on second stationary spindle 23 of shell 1: it is characterized in that on coaxial the 3rd stationary spindle 16 that is arranged on shell 1 of described tripping lever 2 and described flap 4.Described shell 1 is provided with button 10 and the reseting spring leaf 11 that described tripping 3 is detained again.Described restoring lever 7 tops are provided with projection 19 and match with the outstanding position 18 on the flap 4.Described shell 1 is provided with the block 13 that described flap 4 counter-clockwise direction of restriction turn to extreme position.Described flap 4 is provided with the fixed stop 25 that described tripping 3 counter-clockwise direction of restriction turn to extreme position.
The action of circuit breaker assistant release operating mechanism is as follows:
Assistant release carrying position (Fig. 1)
Assistant release is in the carrying position, and it is realized owing to lever operated.At first should press and detain button 10 again, make tripping 3 and tripping lever 2 realize button (Fig. 3) again.Then handle 8 is pulled to the right, connecting rod 9 promotes tripping 3 and turns to extreme position as clockwise direction, handle 8 self-lockings (Fig. 1) together with integral body such as flap 4, tripping levers 2.In flap 4 rotation processes, waist hole 14 on the flap drives minor axis 24 makes interface lever 6 counter-clockwise direction deflect to extreme lower position, the short column 15 at interface lever 6 middle parts falls, and short column 15 is in breaker tripping mechanism and disengages the position, so circuit breaker can closedly alone close a floodgate.In addition, after flap 4 clockwise direction deflections, its outstanding position 18 also with restoring lever 7 on projection 19 disengage, restoring lever 7 is in free state.
The tripping operation process (Fig. 2) of assistant release
The protectiveness of assistant release tripping operation: after relay receives the signal that the monitoring signal transmitter sends; relay moves immediately; relay push rod 12 promotes tripping lever 2 to be made it to thread off with tripping 3; flap 4 rotates to counter-clockwise direction under energy-stored spring 5 twisting forces; be converted to unloading position (Fig. 2) from carrying position (Fig. 1); be limited on the position of the block 13 on the shell; the waist hole 14 of flap 4 drives upwards swing of interface lever 6; short column 15 on the interface lever 6 hits the trip gear of circuit breaker and threads off, and the circuit breaker trip outage is shielded.Handle 8 and hinged thereon the fulcrum on the left side of connecting rod 9 turn left under the effect of handle spring power, and connecting rod 9 drives trippings 3 inhours and rotates but can not realize buckleing again.When flap 4 counter-clockwise direction are rotated, its outstanding position 18 is pressed on the projection 19, make the rotation of restoring lever 7 clockwise directions, make the distortion that twists of the base plate 20 of restoring lever 7, and then the push pedal 21 that makes restoring lever 7 gives the relay push rod 12 1 enough and suitable reset forces, its reset force depends on the elastic deformation force of restoring lever 7, and is relevant with the geomery of restoring lever 7.
Directly pull handle 8 turn left also can realize assistant release by the carrying position be transformed into unloading position; be that with protectiveness tripping operation difference tripping lever 2 and tripping 3 do not thread off; in turning left process, handle 8 drives tripping 3 by connecting rod 9; tripping lever 2 and flap 4 integral body are made counter-clockwise direction and are rotated, and all the other all are same as the protectiveness tripping operation.
The assistant release operating mechanism is detained (Fig. 3) again
Press and detain button 10 again, promote tripping 3 to lower swing, make it to fall among the breach of tripping lever 2, button is promptly accused and is finished again.Detaining button 10 again resets under the elastic force effect of spring leaf 11.
Claims (5)
1, circuit breaker assistant release operating mechanism, comprise flap (4), tripping lever (2), interface lever (6), tripping (3), energy-stored spring (5) and restoring lever (7), described tripping lever (2) has the first arm of the mechanical interlocking that can disconnect with described tripping (3) formation and second arm that matches with described restoring lever (7); Described tripping (3) is articulated on first stationary spindle (17) of flap (4), by connecting rod (9) and handle (8) mechanical couplings; Described restoring lever (7) is hinged on second stationary spindle (23) of shell (1): it is characterized in that described interface lever (6) interrelates by the tripping mechanism on short column (15) and the circuit breaker, the minor axis (24) of described interface lever (6) is arranged on described flap (4) and goes up in the set waist hole (14); Described tripping lever (2) and described flap (4) be coaxial to be arranged on the 3rd stationary spindle (16) of shell (1).
2, circuit breaker assistant release operating mechanism as claimed in claim 1 is characterized in that also being provided with on the described shell (1) button (10) and reseting spring leaf (11) that described tripping (3) is detained again.
3, circuit breaker assistant release operating mechanism as claimed in claim 2 is characterized in that described restoring lever (7) top is provided with projection (19) and matches with the outstanding position (18) on the flap (4).
4, circuit breaker assistant release operating mechanism as claimed in claim 3 is characterized in that also being provided with on the described shell (1) block (13) that restriction described flap (4) counter-clockwise direction turns to extreme position.
5, circuit breaker assistant release operating mechanism as claimed in claim 4 is characterized in that described flap (4) is provided with the fixed stop (25) that restriction described tripping (3) counter-clockwise direction turns to extreme position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02280138 CN2607656Y (en) | 2002-11-28 | 2002-11-28 | Operating mechanism for auxiliary electrical apparatus release of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02280138 CN2607656Y (en) | 2002-11-28 | 2002-11-28 | Operating mechanism for auxiliary electrical apparatus release of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2607656Y true CN2607656Y (en) | 2004-03-24 |
Family
ID=34150601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02280138 Expired - Lifetime CN2607656Y (en) | 2002-11-28 | 2002-11-28 | Operating mechanism for auxiliary electrical apparatus release of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2607656Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100397540C (en) * | 2005-03-07 | 2008-06-25 | 浙江德力西电器股份有限公司 | Operation mechanism of small circuit breaker |
| CN101882537A (en) * | 2009-05-06 | 2010-11-10 | Abb技术有限公司 | Signaling device for circuit breaker and electrical apparatus comprising the signaling device |
| CN102044384A (en) * | 2009-10-09 | 2011-05-04 | Ls产电株式会社 | Switching mechanism for minitype plastic shell type circuit breaker |
| CN101599395B (en) * | 2008-06-05 | 2011-06-29 | 浙江正泰电器股份有限公司 | Auxiliary disengaging mechanism for breaker |
| CN101354987B (en) * | 2008-08-02 | 2011-11-16 | 浙江中凯电器有限公司 | Control device for controlling and protecting switch electric appliance |
| CN101540244B (en) * | 2008-03-21 | 2013-05-29 | 浙江加西亚电子电器有限公司 | Tripping device |
| CN105337254A (en) * | 2015-11-04 | 2016-02-17 | 余姚市嘉荣电子电器有限公司 | Leakage protector with automatic power supply and power failure functions |
| CN105356415A (en) * | 2015-11-04 | 2016-02-24 | 余姚市嘉荣电子电器有限公司 | Leakage protector with automatic power supply and power off functions |
| CN108269719A (en) * | 2017-01-04 | 2018-07-10 | 浙江正泰电器股份有限公司 | Circuit breaker operation mechanism and its assembly method |
-
2002
- 2002-11-28 CN CN 02280138 patent/CN2607656Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100397540C (en) * | 2005-03-07 | 2008-06-25 | 浙江德力西电器股份有限公司 | Operation mechanism of small circuit breaker |
| CN101540244B (en) * | 2008-03-21 | 2013-05-29 | 浙江加西亚电子电器有限公司 | Tripping device |
| CN101599395B (en) * | 2008-06-05 | 2011-06-29 | 浙江正泰电器股份有限公司 | Auxiliary disengaging mechanism for breaker |
| CN101354987B (en) * | 2008-08-02 | 2011-11-16 | 浙江中凯电器有限公司 | Control device for controlling and protecting switch electric appliance |
| CN101882537A (en) * | 2009-05-06 | 2010-11-10 | Abb技术有限公司 | Signaling device for circuit breaker and electrical apparatus comprising the signaling device |
| CN101882537B (en) * | 2009-05-06 | 2014-09-10 | Abb技术有限公司 | Signaling device for circuit breaker and electrical apparatus comprising the signaling device |
| CN102044384B (en) * | 2009-10-09 | 2014-09-03 | Ls产电株式会社 | Switching mechanism for minitype plastic shell type circuit breaker |
| CN102044384A (en) * | 2009-10-09 | 2011-05-04 | Ls产电株式会社 | Switching mechanism for minitype plastic shell type circuit breaker |
| CN105337254A (en) * | 2015-11-04 | 2016-02-17 | 余姚市嘉荣电子电器有限公司 | Leakage protector with automatic power supply and power failure functions |
| CN105356415A (en) * | 2015-11-04 | 2016-02-24 | 余姚市嘉荣电子电器有限公司 | Leakage protector with automatic power supply and power off functions |
| CN105356415B (en) * | 2015-11-04 | 2018-03-30 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device with automatic power and power down function |
| CN105337254B (en) * | 2015-11-04 | 2018-04-13 | 余姚市嘉荣电子电器有限公司 | It is a kind of to be provided with automatic power and the earth leakage protective device of power down function |
| CN108269719A (en) * | 2017-01-04 | 2018-07-10 | 浙江正泰电器股份有限公司 | Circuit breaker operation mechanism and its assembly method |
| CN108269719B (en) * | 2017-01-04 | 2019-12-06 | 浙江正泰电器股份有限公司 | Circuit breaker operating mechanism and assembly method thereof |
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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 |
Owner name: CORRECT ZHENGTAI GROUP CO., LTD. Free format text: FORMER NAME OR ADDRESS: CORRECT ZHENGTAI GROUP CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Chint Group Co., Ltd. Patentee before: Zhengtai Group Corp. |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG ZHENGTAI ELECTRIC APPLIANCE CO., LTD. Free format text: FORMER OWNER: CORRECT ZHENGTAI GROUP CO., LTD. Effective date: 20070817 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070817 Address after: 325603 CHINT Industrial Park, North white elephant, Zhejiang, Yueqing Patentee after: Zhengtai Electric Appliance Co., Ltd., Zhejiang Address before: 325603 CHINT hi tech Industrial Park, North white elephant, Zhejiang, Wenzhou Patentee before: Chint Group Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20121128 Granted publication date: 20040324 |