CN101847550A - Closable-state indicating device for circuit breaker operating mechanism - Google Patents
Closable-state indicating device for circuit breaker operating mechanism Download PDFInfo
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- CN101847550A CN101847550A CN 201010198207 CN201010198207A CN101847550A CN 101847550 A CN101847550 A CN 101847550A CN 201010198207 CN201010198207 CN 201010198207 CN 201010198207 A CN201010198207 A CN 201010198207A CN 101847550 A CN101847550 A CN 101847550A
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Abstract
The invention relates to a closable-state indicating device for a circuit breaker operating mechanism, which is an indicating device structure for judging whether an operating mechanism is in a closable state or not. The closable-state indicating device is provided with an energy accumulation state judging device, an off-position judging device, an undervoltage trip judging device and a closable-state indicating device which are installed on the operating mechanism, wherein the closable-state indicating device is separately connected with the energy accumulation state judging device, the off-position judging device and the undervoltage trip judging device which do not interfere with each other; and when all the three judging devices transmit a closable-state command, the indicating device can close the operating mechanism. The invention has the advantages of simple structure as well as high convenience and practicality, and can reliably indicate the state of the mechanism, so that a user can learn the state of the operating mechanism at a glance, thereby effectively preventing the misoperation of the user.
Description
Technical field
The present invention relates to the closable-state indicating device of circuit breaker operation mechanism, but whether decision operation mechanism is in the indicating device structure of "on" position position.
Background technology
The purpose that operating mechanism realizes controlling the major loop load by the moving contact and the fixed contact of closed and disconnected circuit breaker, as shown in Figure 1, cantilever can be around main axis rotation, position shown in Figure 1 main contact is in the position of disconnection, position shown in Figure 2 main contact is in closed position, as seen it can make main contact disconnect or closure by the action of cantilever.For operating mechanism, it is that the energy that stores up by energy accumulation spring makes the cantilever action, makes it to promote main contact disconnection or closed.Therefore, concerning operating mechanism, just can carry out feed motion but must satisfy following three conditions:
(1) the operating mechanism energy storage finishes, when the operating mechanism energy storage does not finish, even but send reclosing command, also can feed motion can't be finished owing to releasing energy.
(2) circuit breaker is in open position, when operating mechanism is in the close position, but after sending reclosing command, makes instruction ignore owing to operating mechanism closes a floodgate.
(3) under-voltage release must have electricity, when under-voltage release is in the release condition that do not have electricity, makes operating mechanism be in trip status, even but send reclosing command, owing to the operating mechanism dropout makes instruction ignore.
Therefore, guarantee can close a floodgate under situation about all satisfying when above-mentioned three conditions, in existing technology, but the structure of its switching-on mechanism is complicated, and use cost is higher, causes the wasting of resources.
Summary of the invention
The technical problem to be solved in the present invention is: for shortcoming and the deficiency that solves above-mentioned existence, provide a kind of closable-state indicating device of circuit breaker operation mechanism.
The technical solution adopted for the present invention to solve the technical problems is: the closable-state indicating device of circuit breaker operation mechanism, have the energy storage state judging device, open position judgment means, under-voltage release judgment means and the closable-state indicating device that are installed on the operating mechanism, closable-state indicating device links to each other separately with the energy storage state judging device that does not interfere with each other, open position judgment means and under-voltage release judgment means, but indicating device can carry out closing operation when three judgment means are all sent reclosing command.
The energy storage state judging device has the energy storage indication piece, the energy storage indication piece has support zone and a boss, the support zone of energy storage indication piece contacts with cam jaggy on the stored energy mechanism of operating mechanism also slidably, when mechanism is in the energy storage state, but send switching signal to closable-state indicating device by a boss; The open position judgment means has the on/off switch indication piece, but the on/off switch indication piece has No. two boss that are used to send switching signal, the afterbody of on/off switch indication piece can contact with the cantilever of the rotating shaft of operating mechanism, when mechanism is in open position, but send switching signal to closable-state indicating device by No. two boss; The under-voltage release judgment means has to be connected in owes the semiaxis of the separating brake on the release, separating brake semiaxis one end has dropout to refer to, dropout refer to be connected operating mechanism on No. three boss of lever be connected, be connected with a spring on the lever, one end of spring is fixed on the hook position in the middle of the lever, the other end of spring is fixed on the operating mechanism, when under-voltage release is in when electric attracting state is arranged, when discharging, under-voltage release promotes the separating brake semiaxis, making the dropout finger pressure live No. three boss makes lever sway, because the opening of bar thick stick is connected on the closable-state indicating device, but the feasible switching signal that sends; Closable-state indicating device has the closed a floodgate indication piece that can rotate around the axis, the indication piece that can close a floodgate has and is used for the panel that indicating mechanism can close a floodgate, the indication piece that can close a floodgate has No. four boss that are connected with the opening that is connected the operating mechanism upper lever, when but energy storage state judging device, open position judgment means and under-voltage release judgment means are all sent switching signal, can carry out closing operation.
The invention has the beneficial effects as follows, the closable-state indicating device of circuit breaker operation mechanism of the present invention, simple in structure, convenient and practical, can indicate the state of mechanism reliably, allow the user that the state of operating mechanism is come into plain view, prevent misoperation of users effectively.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1-the 1st, the disrupted configuration schematic diagram of circuit breaker;
Fig. 1-2 is the combined floodgate structural representation of circuit breaker;
Fig. 2-the 1st, partial structurtes energy storage state judging device structural representation of the present invention, its energy storage is not finished, but being shown as of closing device can not be closed a floodgate;
Fig. 2-the 2nd, mechanism are in energy storage status architecture schematic diagram;
Fig. 2-the 3rd, mechanism are in separating brake energy pre-storage status architecture schematic diagram, but being shown as of closing device can be closed a floodgate;
Fig. 3-the 1st, partial structurtes open position judgment means structural representation of the present invention, its operating mechanism is in "on" position, but being shown as of closing device can not be closed a floodgate;
Fig. 3-the 2nd, operating mechanism are in combined floodgate energy pre-storage state, but being shown as of closing device can not be closed a floodgate;
Fig. 4-the 1st, partial structurtes under-voltage release judgment means structural representation of the present invention, under-voltage release is in and does not have electric release condition, but being shown as of closing device can not be closed a floodgate;
Fig. 4-the 2nd, but operating mechanism is in "on" position, and under-voltage release is in electric attracting state, but being shown as of closing device can be closed a floodgate.
Among the figure 11, the energy storage indication piece, 111, support zone, 112, boss, 21, on/off switch indication piece, 211, No. two boss, 212, afterbody, 31, separating brake semiaxis, 311, threading off refers to, 32, lever, 321, No. three boss, 322, opening, 33, spring, 41, the indication piece that can close a floodgate, 411, No. four boss, 5, cantilever, 6, main shaft, 7, moving contact, 8, fixed contact.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
Position shown in Figure 1 main contact is in the position of disconnection, and position shown in Figure 2 main contact is in closed position, and cantilever 5 can make the moving contact 7 of main contact and fixed contact 8 disconnect or closure around main shaft 6 rotations.
The closable-state indicating device of circuit breaker operation mechanism, have the energy storage state judging device, open position judgment means, under-voltage release judgment means and the closable-state indicating device that are installed on the operating mechanism, closable-state indicating device links to each other separately with the energy storage state judging device that does not interfere with each other, open position judgment means and under-voltage release judgment means, but indicating device can carry out closing operation when three judgment means are all sent reclosing command.The energy storage state judging device has energy storage indication piece 11, and energy storage indication piece 11 has support zone 111 and a boss 112, and the support zone 111 of energy storage indication piece 11 contacts with cam jaggy on the stored energy mechanism of operating mechanism also slidably; The open position judgment means has on/off switch indication piece 21, but on/off switch indication piece 21 has No. two boss 211 that are used to send switching signal, and the afterbody 212 of on/off switch indication piece 21 can contact with the cantilever of the rotating shaft of operating mechanism; The under-voltage release judgment means has and is connected in the separating brake semiaxis of owing on the release 31, separating brake semiaxis 31 1 ends have dropout to refer to 311, dropout refer to 311 be connected operating mechanism on No. three boss 321 of lever 32 be connected, the opening 322 of bar thick stick is connected on the closable-state indicating device, be connected with a spring 33 on the lever 32, one end of spring 33 is fixed on the hook position 323 in the middle of the lever 32, and the other end of spring 33 is fixed on the operating mechanism; Closable-state indicating device has the closed a floodgate indication piece 41 that can rotate around the axis, and the indication piece 41 that can close a floodgate has and is used for the panel that indicating mechanism can close a floodgate, and the indication piece 41 that can close a floodgate has No. four boss 411 that are connected with the opening 322 of operating mechanism lever 32.
Main contact is in the position of disconnection as Figure 1-1, because cantilever can rotate around the shaft, and the promotion by cantilever can make main contact disconnect or be closed, Fig. 1-2 is depicted as main contact and is in closed position as can be known.
The energy storage state judging device does not finish in the operating mechanism energy storage shown in Fig. 2-1, the support zone 111 of energy storage indication piece 11 and the circumferential contact of cam, a boss 112 of energy storage indication piece 11 blocks the indication piece 41 that can close a floodgate, and the obstruction indication piece 41 that can close a floodgate is in the position that can close a floodgate.Shown in Fig. 2-2, when the operating mechanism energy storage finishes, the support zone 111 of energy storage indication piece 11 enters in the breach of cam, makes a boss 112 not contact the indication piece 41 that can close a floodgate, thereby the indication piece 41 that can close a floodgate is in the position that indicating mechanism can close a floodgate under the effect of lever 32 and spring 33.
The open position judgment means is in "on" position at circuit breaker shown in Fig. 3-1,3-2, the afterbody 212 of rotating shaft contacts with the afterbody 212 of on/off switch indication piece 21, make No. two boss 211 of on/off switch indication piece 21 promote to close a floodgate indication piece 41, the obstruction indication piece 41 that can close a floodgate is in the position that can close a floodgate.When circuit breaker was in the separating brake energy pre-storage shown in Fig. 2-3, the afterbody 212 of rotating shaft did not contact with the afterbody 212 of on/off switch indication piece 21, and the feasible indication piece 41 that can close a floodgate is in the position that can close a floodgate under the effect of lever 32 and spring 33.
The under-voltage release judgment means is not when under-voltage release has electricity to discharge shown in Fig. 4-1, the dropout that promotes separating brake semiaxis 31 refers to that 311 No. three boss 321 pushing down lever 32 sway lever 32, the opening 322 of lever 32 and the boss position clamping of closable-state indicating device, the obstruction indication piece 41 that can close a floodgate is in the position that can close a floodgate.In attracting state, lever 32 promotes the boss position of indication piece 41 of can closing a floodgate under the effect of spring 33 as Fig. 4-2 under-voltage release electric section, but makes the indication piece 41 that can close a floodgate be in closing position.
Claims (1)
1. the closable-state indicating device of a circuit breaker operation mechanism, has the energy storage state judging device that is installed on the operating mechanism, the open position judgment means, under-voltage release judgment means and closable-state indicating device, closable-state indicating device and the energy storage state judging device that does not interfere with each other, the open position judgment means links to each other separately with the under-voltage release judgment means, indicating device can carry out closing operation when but three judgment means are all sent reclosing command, it is characterized in that: the energy storage state judging device has energy storage indication piece (11), energy storage indication piece (11) has a support zone (111) and a boss (112), and the support zone (111) of energy storage indication piece (11) contacts with cam jaggy on the stored energy mechanism of operating mechanism also slidably; The open position judgment means has on/off switch indication piece (21), on/off switch indication piece (21) but No. two boss (211) that are used to send switching signal are arranged, the afterbody (212) of on/off switch indication piece (21) can contact with the cantilever of the rotating shaft of operating mechanism; The under-voltage release judgment means has and is connected in the separating brake semiaxis of owing on the release (31), separating brake semiaxis (31) one ends have dropout to refer to (311), No. three boss (321) of the lever (32) on dropout refers to (311) and is connected operating mechanism are connected, the opening (322) of bar thick stick (32) is connected on the closable-state indicating device, be connected with a spring (33) on the lever (32), one end of spring (33) is fixed on the hook position (323) in the middle of the lever (32), and the other end of spring (33) is fixed on the operating mechanism; Closable-state indicating device has the closed a floodgate indication piece (41) that can rotate around the axis, the indication piece (41) that can close a floodgate has and is used for the panel that indicating mechanism can close a floodgate, the indication piece (41) that can close a floodgate have be connected operating mechanism on No. four boss (411) that are connected of the opening (322) of lever (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010198207 CN101847550A (en) | 2010-06-07 | 2010-06-07 | Closable-state indicating device for circuit breaker operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010198207 CN101847550A (en) | 2010-06-07 | 2010-06-07 | Closable-state indicating device for circuit breaker operating mechanism |
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| Publication Number | Publication Date |
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| CN101847550A true CN101847550A (en) | 2010-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010198207 Pending CN101847550A (en) | 2010-06-07 | 2010-06-07 | Closable-state indicating device for circuit breaker operating mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446665A (en) * | 2011-12-15 | 2012-05-09 | 常熟开关制造有限公司(原常熟开关厂） | Rotating shaft structure of circuit breaker release |
| CN103325630A (en) * | 2012-03-19 | 2013-09-25 | 施耐德电器工业公司 | Tripping unit for electric protection apparatus and electric protection apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2884507Y (en) * | 2006-01-19 | 2007-03-28 | 上海电器科学研究所（集团）有限公司 | Switching-on indicator for actuating mechanism of circuit-breaker |
| CN201242982Y (en) * | 2008-07-15 | 2009-05-20 | 浙江正泰电器股份有限公司 | Operating mechanism of low-voltage circuit breaker |
| CN201417716Y (en) * | 2009-04-09 | 2010-03-03 | 苏州未来电器有限公司 | Indicating device of energy storage electric operating mechanism |
| CN201788909U (en) * | 2010-06-07 | 2011-04-06 | 江苏洛凯机电制造集团有限公司 | Switch-on allowable indicating device of operating mechanism for circuit breaker |
-
2010
- 2010-06-07 CN CN 201010198207 patent/CN101847550A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2884507Y (en) * | 2006-01-19 | 2007-03-28 | 上海电器科学研究所（集团）有限公司 | Switching-on indicator for actuating mechanism of circuit-breaker |
| CN201242982Y (en) * | 2008-07-15 | 2009-05-20 | 浙江正泰电器股份有限公司 | Operating mechanism of low-voltage circuit breaker |
| CN201417716Y (en) * | 2009-04-09 | 2010-03-03 | 苏州未来电器有限公司 | Indicating device of energy storage electric operating mechanism |
| CN201788909U (en) * | 2010-06-07 | 2011-04-06 | 江苏洛凯机电制造集团有限公司 | Switch-on allowable indicating device of operating mechanism for circuit breaker |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446665A (en) * | 2011-12-15 | 2012-05-09 | 常熟开关制造有限公司(原常熟开关厂） | Rotating shaft structure of circuit breaker release |
| CN103325630A (en) * | 2012-03-19 | 2013-09-25 | 施耐德电器工业公司 | Tripping unit for electric protection apparatus and electric protection apparatus |
| CN103325630B (en) * | 2012-03-19 | 2017-03-01 | 施耐德电器工业公司 | Trip unit for electric protective equipment and electric protective equipment |
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Owner name: JIANGSU NEW LUOKAI MECHANICAL AND ELECTRICAL CO., Free format text: FORMER OWNER: JIANGSU LUOKAI MECHANICAL AND ELECTRICAL MANUFACTURING GROUP CO., LTD. Effective date: 20110916 |
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Effective date of registration: 20110916 Address after: 213104, Luoyang Town, Wujin District, Jiangsu City, Changzhou Province Applicant after: Jiangsu New Luokai Mechanical & Electrical Manufacturing Group Co., Ltd. Address before: 213104, Luoyang Town, Wujin District, Jiangsu City, Changzhou Province Applicant before: Jiangsu Luokai Mechanical and Electrical Manufacturing Group Co., Ltd. |
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Application publication date: 20100929 |