CN109038340B - Manual and electric opening and closing operation mechanism for circuit breaker - Google Patents
Manual and electric opening and closing operation mechanism for circuit breaker Download PDFInfo
- Publication number
- CN109038340B CN109038340B CN201810920271.7A CN201810920271A CN109038340B CN 109038340 B CN109038340 B CN 109038340B CN 201810920271 A CN201810920271 A CN 201810920271A CN 109038340 B CN109038340 B CN 109038340B
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- switch
- screw rod
- position switch
- transmission plate
- motor device
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- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000009467 reduction Effects 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000001960 triggered effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
Abstract
The invention discloses a manual and electric opening and closing operating mechanism for a circuit breaker, which comprises a motor device, a control circuit board, a screw rod assembly, a transmission plate and a circuit breaker handle, wherein the control circuit board is electrically connected with the motor device; the control circuit board is electrically connected with three switches, the three switches are arranged at intervals along the axis direction of the screw rod, the three switches are a closing position switch, a separating brake position switch and an initial position switch respectively, the initial position switch is arranged between the closing position switch and the separating brake position switch, and a triggering part suitable for triggering all the switches is fixed on the transmission plate/the moving block. The manual and electric opening and closing operating mechanism is reasonable in structural design and has a good use effect.
Description
Technical Field
The invention relates to a manual and electric opening and closing operation mechanism for a circuit breaker, and belongs to the field of circuit breaker structural design.
Background
In order to realize switching between manual opening and closing operation and electric opening and closing operation, a manual/electric switching mechanism is required to be provided, for example, patent document CN202772078U discloses a circuit breaker opening and closing operation device, which comprises a manual operation mechanism, an electric operation mechanism and a manual/electric switching mechanism. In the above patent document, the manual/electric switching mechanism is provided to switch between the manual opening and closing operation modes and the electric opening and closing operation modes, before the manual opening and closing operation, a worker needs to manually operate the manual/electric switching mechanism to switch the opening and closing operation mode to the manual opening and closing operation mode in the actual use process, and then pulls the operation handle to manually open or close the switch, and when the switch needs to be switched to the electric opening and closing operation mode, the worker needs to operate the manual/electric switching mechanism to switch to the electric opening and closing operation mode, so that the operation steps are more, the operation is more inconvenient, and the worker who is unfamiliar with the operation of the circuit breaker is easy to operate by mistake especially in emergency.
Disclosure of Invention
In this regard, the invention aims to provide a manual and electric opening and closing operating mechanism for a circuit breaker, which is reasonable in structural design.
The technical scheme for realizing the aim of the invention is as follows:
the manual and electric opening and closing operating mechanism for the circuit breaker comprises a motor device, a control circuit board, a screw rod assembly, a transmission plate and a circuit breaker handle, wherein the control circuit board is electrically connected with the motor device, the screw rod assembly comprises a screw rod driven to rotate by the motor device and a moving block in threaded fit with the screw rod, one end of the transmission plate is fixedly connected with the moving block, the other end of the transmission plate is provided with a handle perforation, the circuit breaker handle is positioned in the handle perforation, and the transmission plate is driven to do linear motion along the axis direction of the screw rod when the motor device rotates;
the control circuit board is electrically connected with three switches, the three switches are arranged at intervals along the axis direction of the screw rod, the three switches are a closing position switch, a separating brake position switch and an initial position switch respectively, the initial position switch is arranged between the closing position switch and the separating brake position switch, a trigger part suitable for triggering each switch is fixed on the transmission plate/the moving block, when the trigger part is positioned at the position for triggering the initial position switch, a gap is formed between the perforated hole wall of the handle and the breaker handle for the manual switching of the breaker handle between the closing position and the separating brake position so as to realize manual switching and closing; when the electric switch-on or switch-off is performed, the motor device is controlled to rotate and drive the screw rod to rotate along a first direction, the transmission plate and the trigger component are driven to axially and synchronously move along the screw rod, when the trigger component moves to trigger the switch-on position switch or the switch-off position switch, the transmission plate pushes the breaker handle to the switch-on position or the switch-off position, the switch-on position switch or the switch-off position switch is triggered and then controls the motor device to drive the screw rod to rotate along a second direction opposite to the first direction, so that the transmission plate and the trigger component are driven to move in the opposite direction, and the motor device is controlled to stop rotating until the trigger component triggers the initial position switch.
In the above technical scheme, the motor device comprises a driving motor and a reduction gear set, an input gear of the reduction gear set is fixed on a motor shaft of the driving motor, and an output gear of the reduction gear set is fixed at the end part of the screw rod.
In the technical scheme, the motor device further comprises a mounting frame, and the motor device and the screw rod assembly are mounted on the mounting frame; and the mounting frame is also provided with a guide structure for providing guide for the movement of the moving block.
In the above technical scheme, the guide structure is a guide rod which is arranged on the mounting frame and is arranged in the same direction as the screw rod, and the moving block is provided with a groove matched with the guide rod.
The invention has the positive effects that: when the scheme of the invention is adopted, the motor device is controlled to rotate and drive the screw rod to rotate along a first direction when the electric switch-on or the electric switch-off is triggered, the transmission plate and the trigger part are driven to synchronously move along the axial direction of the screw rod, when the trigger part moves to trigger the switch-on position switch or the switch-off position switch, the transmission plate pushes the breaker handle to a switch-on position or a switch-off position at the same time, the switch-on position switch or the switch-off position switch is triggered and then controls the motor device to drive the screw rod to rotate along a second direction opposite to the first direction, so as to drive the transmission plate and the trigger part to move in the opposite direction, until the trigger part triggers the initial position switch, and when the trigger part is in a position triggering the initial position switch, a gap is reserved between a hole wall perforated by the handle and the breaker handle for manual switch-on position or the switch-off position, in other words, the switch-off position is not manually disturbed by the trigger part, so that the switch-on position is not manually disturbed by the trigger part, in other words, the gap is not manually switched on and the trigger position of the trigger part, the trigger part is not manually disturbed by the trigger position of the trigger part, and the trigger the initial position of the trigger part is completely, and the trigger position is opened, has good use effect.
Drawings
FIG. 1 is a front view of a manual and electric opening and closing operating mechanism in the present invention;
FIG. 2 is a perspective view of the manual and powered opening and closing operating mechanism shown in FIG. 1;
FIG. 3 is a front view of the manual and powered opening and closing operating mechanism of FIG. 1 with parts omitted;
FIG. 4 is an assembly view of a screw, a moving block and a guide block according to the present invention;
FIG. 5 is a schematic view of a mounting base according to the present invention;
fig. 6 is a schematic structural view of a driving plate in the present invention.
The reference numerals shown in the figures are: 1-a motor device; 11-a drive motor; 12-a reduction gear set; 13-an input gear; 14-an output gear; 2-a transmission plate; 21-handle perforation; 3-a breaker handle; 4-a screw rod; 5-moving blocks; 51-groove; 6-switching-on position switch; 7-a switch-off position switch; 8-an initial position switch; 9-a trigger member; 10-mounting frame; 101-guiding rod.
Detailed Description
The following describes the specific structure of the present invention with reference to the drawings:
the manual and electric opening and closing operating mechanism for the circuit breaker comprises a motor device 1, a control circuit board, a screw rod assembly, a transmission plate 2 and a circuit breaker handle 3, wherein the control circuit board is electrically connected with the motor device 1, the screw rod assembly comprises a screw rod 4 driven to rotate by the motor device 1 and a moving block 5 in threaded fit with the screw rod 4, one end of the transmission plate 2 is fixedly connected with the moving block 5, a handle through hole 21 is formed in the other end of the transmission plate 2, the circuit breaker handle 3 is positioned in the handle through hole 21, and the transmission plate 2 is driven to do linear motion along the axial direction of the screw rod 4 by the screw rod assembly when the motor device 1 rotates; the control circuit board is electrically connected with three switches, the three switches are arranged at intervals along the axial direction of the screw rod 4, the three switches are a closing position switch 6, a separating brake position switch 7 and an initial position switch 8 respectively, the initial position switch 8 is arranged between the closing position switch 6 and the separating brake position switch 7, and a triggering part 9 suitable for triggering all the switches is fixed on the transmission plate 2/the moving block 5; when the motor device 1 is controlled to rotate and drive the screw rod 4 to rotate along a first direction during electric switching-on or switching-off, the transmission plate 2 and the trigger part 9 are driven to synchronously move along the axial direction of the screw rod 4, and when the trigger part 9 moves from the position of triggering the initial position switch 8 to the position of triggering the switching-on
When the switch 6 or the opening position switch 7 is switched on, the transmission plate 2 pushes the breaker handle 3 to a closing position or an opening position, the motor device 1 is controlled to drive the screw rod 4 to rotate in a second direction opposite to the first direction after the closing position switch 6 or the opening position switch 7 is triggered, so as to drive the transmission plate 2 and the trigger part 9 to move in the opposite direction, and the motor device 1 is controlled to stop rotating until the trigger part 9 triggers the initial position switch 8; when the trigger part 9 is positioned at the position of triggering the initial position switch 8, a sufficient gap is reserved between the hole wall of the handle perforation 21 and the breaker handle 3 for the breaker handle 3 to manually switch between a closing position and a separating position without being interfered by the transmission plate 2 so as to realize manual opening and closing. The electric opening and closing operating mechanism in this embodiment has reasonable structure, after the electric opening and closing is completed, the trigger part 9 always moves to the position for triggering the initial position switch 8, and when the trigger part 9 is positioned at the position for triggering the initial position switch 8, the gap exists between the breaker handle 3 and the wall of the handle perforation 21, so that the breaker handle 3 can be directly manually pulled at this time to switch between the closing position and the opening and closing position without being interfered by the transmission plate 2, in other words, the breaker handle and the transmission plate are not linked at this time, and the opening and closing operation can be freely performed manually, thereby improving the operation convenience of opening and closing, and the manual/electric switching mechanism does not need to be arranged to manually switch the opening and closing operation mode, thereby also effectively avoiding misoperation caused by the gap, and having good use effect.
In this embodiment, the motor device 1 includes a driving motor 11 and a reduction gear set 12, an input gear 13 of the reduction gear set 12 is fixed on a motor shaft of the driving motor 11, and an output gear 14 of the reduction gear set 12 is fixed at an end portion of the screw 4, so that an output rotation speed of the driving motor 11 is adjusted to a proper rotation speed by the reduction gear set 12 and then is output to the screw 4.
Further, the motor device further comprises a mounting frame 10, the structure of the mounting frame 10 is shown in fig. 5, and the motor device 1 and the screw rod assembly are mounted on the mounting frame 10; the installation frame 10 is further provided with a guide structure for providing guide for the movement of the moving block 5, the two ends of the screw rod 4 are respectively connected with two side wall plates of the installation frame 10 through bearings, gears forming the reduction gear set are respectively rotatably installed on one side wall plate of the installation frame 10 through installation shafts, the driving motor 11 is fixed on the side wall plate of the installation frame 10 through screws, and the structure is adopted.
As a further improvement of the above embodiment, referring to fig. 4, the guide structure is a guide rod 101 disposed on the mounting frame 10 and disposed in the same direction as the screw rod 4, the moving block 5 is provided with a groove 51 matched with the guide rod 101, and the guide rod 101 is matched with the groove 51, so that the moving block 5 can only move along the axial direction of the screw rod 4 and cannot rotate circumferentially under the guiding action of the guide rod 101 when the screw rod 4 rotates.
The three switches adopted in the embodiment can be existing switches such as a micro switch and a photoelectric switch, and the driving motor adopts a miniature direct current motor, so that the motor is high in efficiency and small in size and is convenient to install.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the invention remain within the scope of the invention.
Claims (3)
1. The manual and electric opening and closing operating mechanism for the circuit breaker is characterized by comprising a motor device (1), a control circuit board, a screw rod assembly, a transmission plate (2) and a circuit breaker handle (3), wherein the control circuit board is electrically connected with the motor device (1), the screw rod assembly comprises a screw rod (4) driven to rotate by the motor device (1) and a moving block (5) in threaded fit with the screw rod (4), one end of the transmission plate (2) is fixedly connected with the moving block (5), a handle through hole (21) is formed in the other end of the transmission plate (2), the circuit breaker handle (3) is positioned in the handle through hole (21), and the motor device (1) drives the transmission plate (2) to do linear motion along the axis direction of the screw rod (4) when rotating;
the control circuit board is electrically connected with three switches, the three switches are arranged at intervals along the axis direction of the screw rod (4), the three switches are a closing position switch (6), a separating brake position switch (7) and an initial position switch (8), the initial position switch (8) is arranged between the closing position switch (6) and the separating brake position switch (7), a trigger component (9) suitable for triggering each switch is fixed on the transmission board (2)/the moving block (5), when the trigger component (9) is positioned at the position for triggering the initial position switch (8), a gap is reserved between the hole wall of the handle perforation (21) and the breaker handle (3) for the manual switching of the breaker handle (3) between the closing position and the separating brake position so as to realize manual switching on and off; when the electric switch-on or switch-off is performed, the motor device (1) is controlled to rotate and drive the screw rod (4) to rotate along a first direction, and then the transmission plate (2) and the trigger component (9) are driven to move synchronously along the axial direction of the screw rod (4), when the trigger component (9) moves to trigger the switch-on position switch (6) or the switch-off position switch (7), the transmission plate (2) pushes the breaker handle (3) to a switch-on position or switch-off position, after the switch-on position switch (6) or the switch-off position switch (7) is triggered, the motor device (1) is controlled to drive the screw rod (4) to rotate along a second direction opposite to the first direction, so that the transmission plate (2) and the trigger component (9) are driven to move reversely, and the motor device (1) is controlled to stop rotating until the trigger component (9) triggers the initial position switch (8);
the motor device (1) comprises a driving motor (11) and a reduction gear set (12), the driving motor adopts a miniature direct current motor, an input gear (13) of the reduction gear set (12) is fixed on a motor shaft of the driving motor (11), and an output gear (14) of the reduction gear set (12) is fixed at the end part of the screw rod (4).
2. The manual opening and closing operating mechanism for a circuit breaker according to claim 1, further comprising a mounting bracket (10), said motor means (1) and said screw assembly being mounted on said mounting bracket (10); the mounting frame (10) is also provided with a guide structure for guiding the movement of the moving block (5).
3. The manual opening and closing operating mechanism for a circuit breaker according to claim 2, characterized in that the guiding structure is a guiding rod (101) arranged on the mounting frame (10) in the same direction as the screw rod (4), and the moving block (5) is provided with a groove (51) matched with the guiding rod (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810920271.7A CN109038340B (en) | 2018-08-04 | 2018-08-04 | Manual and electric opening and closing operation mechanism for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810920271.7A CN109038340B (en) | 2018-08-04 | 2018-08-04 | Manual and electric opening and closing operation mechanism for circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109038340A CN109038340A (en) | 2018-12-18 |
| CN109038340B true CN109038340B (en) | 2023-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810920271.7A Active CN109038340B (en) | 2018-08-04 | 2018-08-04 | Manual and electric opening and closing operation mechanism for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109038340B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109461632B (en) * | 2018-12-29 | 2023-09-08 | 浙江海格电力有限公司 | Intelligent moulded case circuit breaker |
| CN109411304B (en) * | 2018-12-29 | 2023-03-14 | 海格科技股份有限公司 | Intelligent molded case circuit breaker |
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2018
- 2018-08-04 CN CN201810920271.7A patent/CN109038340B/en active Active
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| CN109038340A (en) | 2018-12-18 |
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Denomination of invention: Manual electric opening and closing operating mechanism for circuit breakers Granted publication date: 20231201 Pledgee: Zhejiang Xianju Rural Commercial Bank Co.,Ltd. Pledgor: JAECELE ELECTRIC Co.,Ltd. Registration number: Y2024330000423 |