CN203733727U - Switchable state indicating device of circuit breaker - Google Patents
Switchable state indicating device of circuit breaker Download PDFInfo
- Publication number
- CN203733727U CN203733727U CN201320878682.7U CN201320878682U CN203733727U CN 203733727 U CN203733727 U CN 203733727U CN 201320878682 U CN201320878682 U CN 201320878682U CN 203733727 U CN203733727 U CN 203733727U
- Authority
- CN
- China
- Prior art keywords
- cantilever
- circuit breaker
- operating mechanism
- indication piece
- energy storage
- 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 - Fee Related
Links
- 238000004146 energy storage Methods 0.000 claims abstract description 33
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Breakers (AREA)
Abstract
A switchable state indicating device of a circuit breaker comprises the components of: an operating mechanism side plate, a switching-off semi-shaft, a switching off-and-on indicating member and an energy storage lever. A positioning shaft is fixedly arranged on the operating mechanism side plate. A switchable state indicating member is rotatably arranged on the positioning shaft. The switchable state indicating member comprises an indicating end and a cantilever. A spring is connected between the cantilever and the operating mechanism side plate. The spring causes the switchable state indicating member to offset to a switchable display position. In the circuit breaker, the switching-off semi-shaft, the switching off-and-on indicating member and the energy storage member which are interlocked with voltage, the switching-off position and an energy storage state are partially arranged in the motion path of the cantilever of the switchable state indicating member respectively. When the voltage of the circuit breaker is abnormal or the operating mechanism is at a switching-on position or the operating mechanism is in an energy discharging state, by means of corresponding motion of the switching-off semi-shaft, or the switching off-and-on indicating member or the energy storage lever, the switching off-and-on indicating member can be pushed to or kept at a state of displaying switching-on incapability.
Description
technical field
The utility model relates to electric field, relates in particular to low-voltage electrical apparatus, and particularly a kind of circuit breaker can "on" position indicating device.
background technology
In Universal circuit breaker operating mechanism, be provided with the mechanism of display working condition on face shield.In indication mechanism, include the real-time mechanism of operating mechanism on/off switch indicating mechanism and energy storage state.The sign board of indication piece front end can show different operating states on the face shield with display window.When carrying out the closing operation of circuit breaker, must meet circuit breaker in such three conditions of energy storage of voltage normal condition, gate-dividing state and stored energy mechanism.In prior art, although operator can judge by the demonstration of above-mentioned each indicating mechanism, whether readyly close a floodgate to prepare, lack clear and definite indication that can "on" position, make troubles still can to operator's operation, misoperation also easily occurs.
summary of the invention
The purpose of this utility model is to provide a kind of circuit breaker can "on" position indicating device, described this circuit breaker can "on" position indicating device to solve circuit breaker operation mechanism in prior art lack can "on" position the clearly technical problem of indication.
This circuit breaker of the present utility model can "on" position indicating device, comprise an operating mechanism side plate, a separating brake semiaxis, a divide-shut brake indication piece and an energy storage lever, described separating brake semiaxis, divide-shut brake indication piece is connected with described operating mechanism side plate by revolute pair separately with energy storage lever, wherein, on described operating mechanism side plate, be fixedly installed a locating shaft, on described locating shaft, being provided with one can "on" position indication piece, described can "on" position indication piece and locating shaft between be provided with revolute pair, can in "on" position indication piece, include an indication end and a cantilever, described indication end and described cantilever lay respectively at the both sides of locating shaft, between cantilever and operating mechanism side plate, be connected with a spring, on described separating brake semiaxis, along it, be radially provided with first cantilever arm, in the rotation round of the outer end of the first described cantilever arm and cantilever, rotation round more at least intersects, on described divide-shut brake indication piece, along it, be radially provided with second cantilever arm, in the rotation round of the outer end of the second described cantilever arm and cantilever, rotation round more at least intersects, on described energy storage lever, be provided with a gag lever post, the length direction of described gag lever post is parallel to the rotation axis of energy storage lever, in the rotation round of gag lever post and cantilever, rotation round more at least intersects.
Further, described separating brake semiaxis is connected with the under-voltage release in circuit breaker, and described divide-shut brake indication piece is connected with the operating mechanism in circuit breaker, and described energy storage lever is also connected with the operating mechanism in circuit breaker.
Further, first rotation round of cantilever arm outer end on separating brake semiaxis and the rotation round of the afterbody of cantilever intersect, the rotation round of outer end of the second cantilever arm on divide-shut brake indication piece and the rotation round of the postmedian of cantilever intersect, on cantilever, to downward-extension, be provided with a support arm, the rotation round of the rotation round of the gag lever post on energy storage lever and described support arm intersects.
Operation principle of the present utility model is: when the voltage of circuit breaker is undesired, under-voltage release in circuit breaker drives the rotation of separating brake semiaxis, the first cantilever arm on separating brake semiaxis moves interference with cantilever that can "on" position indication piece, can be pushed to or remain on the state that demonstration can not be closed a floodgate by "on" position indication piece; Or, at the operating mechanism of circuit breaker during in "on" position, divide-shut brake indication piece turns to or rests on demonstration "on" position, the second cantilever arm on divide-shut brake indication piece is pushed down the postmedian of cantilever that can "on" position indication piece, can be pushed to or remain on the state that demonstration can not be closed a floodgate by "on" position indication piece; Or, when operating mechanism can state in releasing, energy storage lever rotates to or rest on corresponding releasing can position, and the gag lever post on energy storage lever moves interference with cantilever that can "on" position indication piece, can be pushed to or remain on the state that demonstration can not be closed a floodgate by "on" position indication piece., operating mechanism normal at the voltage of circuit breaker is during in open position and in energy storage state, the first cantilever arm on separating brake semiaxis, the second cantilever arm on divide-shut brake indication piece and the gag lever post on energy storage lever all depart from the rotation round of any point in can the cantilever of "on" position indication piece, and cantilever that can "on" position indication piece turns to the position that demonstration can be closed a floodgate under the pulling of spring.
The utility model and prior art are compared, and its effect is actively with obvious.The utility model in circuit breaker, be provided with cantilever can "on" position indication piece, utilize spring to the display position that can close a floodgate, to setover by "on" position indication piece, by in circuit breaker with voltage, the separating brake semiaxis of open position and energy storage state interlock, part in divide-shut brake indication piece and energy storage lever is arranged in the motion path of cantilever that can "on" position indication piece, voltage at circuit breaker is undesired, or operating mechanism is in closing position, or operating mechanism is when releasing energy state, utilize separating brake semiaxis, or divide-shut brake indication piece, or the corresponding sports of energy storage lever, can be pushed to or remain on the state that demonstration can not be closed a floodgate by "on" position indication piece.The utility model convenient operation, simple in structure.
accompanying drawing explanation
Fig. 1 is that circuit breaker of the present utility model can the schematic diagram of "on" position indicating device when under-voltage power failure state.
Fig. 2 is that circuit breaker of the present utility model can the schematic diagram of "on" position indicating device when operating mechanism closing position.
Fig. 3 is that circuit breaker of the present utility model can "on" position indicating device another schematic diagram when operating mechanism closing position.
Fig. 4 be circuit breaker of the present utility model can "on" position indicating device schematic diagram when operating mechanism can state in releasing.
Fig. 5 be circuit breaker of the present utility model can "on" position indicating device show can "on" position schematic diagram.
embodiment
Embodiment 1:
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 5, circuit breaker of the present utility model can "on" position indicating device, comprise an operating mechanism side plate 1, also comprise locating shaft 11, separating brake semiaxis 12, can "on" position indication piece 113, divide-shut brake indication piece 112, back-moving spring 13, back-moving spring axle 14, energy storage lever 141 and limit shaft 142, described locating shaft 11 and back-moving spring axle 14 are installed on described operating mechanism side plate 1, described can being installed in rotation on described locating shaft 11 by "on" position indication piece 113, described divide-shut brake indication piece 112 is located on described locating shaft 11 rotationally, one end of described back-moving spring 13 be located at described can "on" position indication piece 113 on, the other end is connected with described back-moving spring axle 14, described separating brake semiaxis 12, divide-shut brake indication piece 112, energy storage lever 141 is hinged with described operating mechanism side plate 1, described divide-shut brake semiaxis 12 is connected with operating mechanism output shaft, described limit shaft is installed on described energy storage lever, described limit shaft contacts with described rear end cantilever that can "on" position indication piece, described divide-shut brake semiaxis is provided with cantilever, described cantilever contacts with described rear end that can "on" position indication piece, the middle part of described divide-shut brake indication piece is provided with middle part cantilever, described middle part cantilever be positioned at described can top, "on" position indication piece middle part.
As shown in Figure 1, locating shaft 11 is arranged on operating mechanism side plate 1, can be installed on locating shaft 11 by "on" position indication piece 113, can rotate.Separating brake semiaxis 12 is installed on side plate 1, when operating mechanism is during in under-voltage power failure state, separating brake semiaxis 12 can be rotated counterclockwise the limit by device for under-voltage releasing equipment, now separating brake semiaxis 12 stretch out cantilever can push down can "on" position indication piece 113 afterbody, make it be rotated clockwise to not OK state, now operating mechanism whether energy storage state all cannot change can "on" position indication piece 113 state.
As shown in Figures 2 and 3, when circuit breaker voltage is normal, operating mechanism is when "on" position.Divide-shut brake indication piece 112 can rotate and be presented at "on" position, the middle part cantilever that now divide-shut brake indication piece 112 stretches out can be pushed down postmedian that can "on" position indication piece 113 cantilevers, make to clockwise rotate the not OK state that is presented at by "on" position indication piece 113, now operating mechanism whether energy storage state all cannot change can "on" position indication piece 113 state.
As shown in Figure 4, when circuit breaker voltage is normal, operating mechanism is when releasing energy state.Energy storage lever 141 rotates and rests on shown position, now on energy storage lever 141, fixing limit shaft 142 can be pushed down the cantilever can "on" position indication piece 113 rear ends stretching out, make to clockwise rotate the not OK state that is presented at by "on" position indication piece 113, now operating mechanism close a floodgate or "on" position all cannot change can "on" position indication piece 113 state.
As shown in Figure 5, when circuit breaker voltage is normal, operating mechanism is when open position and energy storage state.Back-moving spring 13 one end hang on the back-moving spring axle 14 being fixed on operating mechanism side plate 1, one end hang over can "on" position indication piece 113 on.Can "on" position indication piece 113 under back-moving spring 13 effects, rotate counterclockwise the OK state that is presented at.
Claims (3)
1. a circuit breaker can "on" position indicating device, comprise an operating mechanism side plate, a separating brake semiaxis, a divide-shut brake indication piece and an energy storage lever, described separating brake semiaxis, divide-shut brake indication piece is connected with described operating mechanism side plate by revolute pair separately with energy storage lever, it is characterized in that: on described operating mechanism side plate, be fixedly installed a locating shaft, on described locating shaft, being provided with one can "on" position indication piece, described can "on" position indication piece and locating shaft between be provided with revolute pair, can in "on" position indication piece, include an indication end and a cantilever, described indication end and described cantilever lay respectively at the both sides of locating shaft, between cantilever and operating mechanism side plate, be connected with a spring, on described separating brake semiaxis, along it, be radially provided with first cantilever arm, in the rotation round of the outer end of the first described cantilever arm and cantilever, rotation round more at least intersects, on described divide-shut brake indication piece, along it, be radially provided with second cantilever arm, in the rotation round of the outer end of the second described cantilever arm and cantilever, rotation round more at least intersects, on described energy storage lever, be provided with a gag lever post, the length direction of described gag lever post is parallel to the rotation axis of energy storage lever, in the rotation round of gag lever post and cantilever, rotation round more at least intersects.
2. circuit breaker as claimed in claim 1 can "on" position indicating device, it is characterized in that: described separating brake semiaxis is connected with the under-voltage release in circuit breaker, described divide-shut brake indication piece is connected with the operating mechanism in circuit breaker, and described energy storage lever is also connected with the operating mechanism in circuit breaker.
3. circuit breaker as claimed in claim 1 can "on" position indicating device, it is characterized in that: first rotation round of cantilever arm outer end on separating brake semiaxis and the rotation round of the afterbody of cantilever intersect, the rotation round of outer end of the second cantilever arm on divide-shut brake indication piece and the rotation round of the postmedian of cantilever intersect, on cantilever, to downward-extension, be provided with a support arm, the rotation round of the rotation round of the gag lever post on energy storage lever and described support arm intersects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320878682.7U CN203733727U (en) | 2013-12-29 | 2013-12-29 | Switchable state indicating device of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320878682.7U CN203733727U (en) | 2013-12-29 | 2013-12-29 | Switchable state indicating device of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203733727U true CN203733727U (en) | 2014-07-23 |
Family
ID=51203778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320878682.7U Expired - Fee Related CN203733727U (en) | 2013-12-29 | 2013-12-29 | Switchable state indicating device of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203733727U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987200A (en) * | 2018-08-01 | 2018-12-11 | 上海良信电器股份有限公司 | A kind of combined floodgate standby ready signal device of circuit breaker operation mechanism |
| CN109036896A (en) * | 2018-06-26 | 2018-12-18 | 上海良信电器股份有限公司 | A kind of structure of contact terminal of automatic change-over |
| CN111640632A (en) * | 2020-07-03 | 2020-09-08 | 江苏大全凯帆开关有限公司 | Overload protection device and overload protection method for electric operating mechanism |
| CN113707472A (en) * | 2020-05-20 | 2021-11-26 | 上海正泰智能科技有限公司 | Operating mechanism capable of preventing circuit breaker from being switched on by mistake |
| CN113889370A (en) * | 2020-07-01 | 2022-01-04 | 上海良信电器股份有限公司 | Circuit breaker operating device divides closing indication interlocking gear |
| CN113889376A (en) * | 2020-07-01 | 2022-01-04 | 上海良信电器股份有限公司 | Switching-on and switching-off power assisting mechanism of circuit breaker operating mechanism |
-
2013
- 2013-12-29 CN CN201320878682.7U patent/CN203733727U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036896A (en) * | 2018-06-26 | 2018-12-18 | 上海良信电器股份有限公司 | A kind of structure of contact terminal of automatic change-over |
| CN108987200A (en) * | 2018-08-01 | 2018-12-11 | 上海良信电器股份有限公司 | A kind of combined floodgate standby ready signal device of circuit breaker operation mechanism |
| CN108987200B (en) * | 2018-08-01 | 2024-12-20 | 上海良信电器股份有限公司 | A closing ready signal device for a circuit breaker operating mechanism |
| CN113707472A (en) * | 2020-05-20 | 2021-11-26 | 上海正泰智能科技有限公司 | Operating mechanism capable of preventing circuit breaker from being switched on by mistake |
| CN113707472B (en) * | 2020-05-20 | 2025-04-22 | 上海正泰智能科技有限公司 | Operating mechanism to prevent accidental closing of circuit breakers |
| CN113889370A (en) * | 2020-07-01 | 2022-01-04 | 上海良信电器股份有限公司 | Circuit breaker operating device divides closing indication interlocking gear |
| CN113889376A (en) * | 2020-07-01 | 2022-01-04 | 上海良信电器股份有限公司 | Switching-on and switching-off power assisting mechanism of circuit breaker operating mechanism |
| CN111640632A (en) * | 2020-07-03 | 2020-09-08 | 江苏大全凯帆开关有限公司 | Overload protection device and overload protection method for electric operating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |