CN210110667U - Handle anti-misoperation device of automatic reclosing circuit breaker - Google Patents
Handle anti-misoperation device of automatic reclosing circuit breaker Download PDFInfo
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- CN210110667U CN210110667U CN201921025501.XU CN201921025501U CN210110667U CN 210110667 U CN210110667 U CN 210110667U CN 201921025501 U CN201921025501 U CN 201921025501U CN 210110667 U CN210110667 U CN 210110667U
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Abstract
A handle anti-misoperation device of an automatic reclosing circuit breaker. It includes the casing, includes circuit board, motor, divide closing mechanism and handle detection mechanism in the casing, and handle detection mechanism includes operating handle, magnetic part, hall sensor, and operating handle passes through drive gear and is connected with the motor linkage, and on drive gear was located to the magnetic part, hall sensor located on the circuit board, and the circuit board includes contact detection module, handle detection module and drive module, and contact detection module acquires feedback signal from the circuit breaker contact, and handle detection module acquires hall sensor's sensing signal, drive module receives the circuit board basis feedback signal and the control signal control that sensing signal sent. The utility model discloses a handle detection mechanism detects the operating condition that the position information of handle controlled the motor under the abnormal conditions, prevents that the handle maloperation from producing the damage to equipment.
Description
Technical Field
The utility model relates to a circuit breaker field, in particular to automatic reclosing circuit breaker's handle prevents mistake operating means.
Background
The existing circuit breaker with automatic reclosing function can automatically reclose by a mechanical device or an automatic relay device after a system is opened due to a certain fault, if the fault of a power system is temporary, the circuit breaker is tripped by a relay protection device to cut off a power supply, and then the circuit breaker automatically recloses after preset time, and if the fault is automatically eliminated, the power supply of the circuit is restored again; if the fault is persistent, the circuit breaker is tripped again, no longer coinciding.
However, the existing automatic reclosing circuit breaker has no function of responding to misoperation of a user, for example, when a power system is still in a fault, the user forcibly dials the handle in the opening position to the closing position or forcibly dials the handle to the closing position manually during opening, which may cause the circuit breaker to continue to automatically close after the power supply is connected with a signal, and thus, the switch is in a fault or a transmission mechanism is damaged, or even other equipment is affected.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that current automatic reclosing circuit breaker does not have the anti-misoperation function among the background art, the utility model provides an automatic reclosing circuit breaker's handle prevents mistake operating means.
The utility model provides a technical scheme that its technical problem adopted is: a handle anti-misoperation device of an automatic reclosing circuit breaker comprises a shell, wherein the shell comprises a circuit board, a motor and a switching-on and switching-off mechanism, the motor is controlled by a control signal sent by the circuit board so that the switching-on and switching-off assembly can execute switching-off or switching-on, the handle anti-misoperation device also comprises a handle detection mechanism, the handle detection mechanism comprises an operating handle, a magnetic part and a Hall sensor, the operating handle is in linkage connection with the switching-on and switching-off mechanism through a first transmission gear, the magnetic part is arranged on the first transmission gear, the Hall sensor is arranged on the circuit board and corresponds to the position of the magnetic part on the first transmission gear, the circuit board comprises a contact detection module, a handle detection module and a driving module, the contact detection module acquires a feedback signal from a circuit breaker contact, and the handle detection module acquires a sensing signal of the Hall, and the driving module sends out corresponding control signals according to the feedback signals and the induction signals to control the working state of the motor.
Divide closing mechanism includes dropout pull rod, drive gear, second drive gear and dropout gear, operating handle passes through first drive gear with the cooperation of dropout gear linkage, drive gear with the cooperation of motor linkage, drive gear, second drive gear, dropout gear and first drive gear mesh the transmission in proper order.
The circuit board is provided with a first contact switch and a second contact switch, the opening and closing mechanism comprises a tripping gear, the tripping gear is provided with a poking block, and the poking block rotates along with the tripping gear and can poke the first contact switch and the second contact switch to control the on-off state of the first contact switch and the second contact switch.
The magnetic member is a strong permanent magnet.
The Hall sensor is arranged on the circuit board and corresponds to the position of the magnetic part on the first transmission gear when the switch is switched on.
The utility model has the advantages that: the utility model discloses a handle detection mechanism detects the operating condition that the positional information of handle controlled the motor under the abnormal condition, detect the circuit abnormal tripping back when the circuit breaker contact, acquire the positional information of handle through handle detection mechanism, if the handle has carried out abnormal combined floodgate operation, then the circuit board obtains hall sensor's sensing signal, learn the circuit unusual according to the feedback signal of contact, learn the handle according to sensing signal again and be in abnormal combined floodgate position, the drive module of circuit board then makes the motor stop work, make the unable control circuit breaker combined floodgate of handle, prevent that the handle maloperation from producing the damage to the drive mechanism of switch.
Drawings
Fig. 1 and fig. 2 are schematic structural diagrams of an embodiment of the present invention.
Fig. 3 is a schematic diagram of a circuit board structure according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a first transmission gear according to an embodiment of the present invention.
Fig. 5 is a schematic block diagram of a circuit according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the accompanying drawings:
in the embodiment of the utility model, a handle anti-misoperation device of automatic reclosing circuit breaker, including casing 1, including circuit board 2, motor 14 and divide-shut brake mechanism in the casing 1, motor 14 receives the control signal control that circuit board 2 sent so that divide-shut brake subassembly carries out separating brake or combined floodgate, still be equipped with handle detection mechanism in the casing 1, handle detection mechanism includes operating handle 3, magnetic part 4, hall sensor 5, operating handle 3 through first drive gear 6 with motor 14 linkage is connected, magnetic part 4 is located on first drive gear 6, hall sensor 5 is located on circuit board 2 and corresponds with magnetic part 4 position on first drive gear 6, include contact detection module, handle detection module and drive module on circuit board 2, contact detection module obtains feedback signal from the circuit breaker contact, the handle detection module acquires an induction signal of the Hall sensor, the driving module sends out a corresponding control signal according to the feedback signal and the induction signal to control the working state of the motor, the signals are subjected to data calculation and processing by a processor, the processor adopts a conventional single chip with a calculation function, and the magnetic part is a strong permanent magnet.
Divide closing mechanism includes dropout pull rod 11, drive gear 12, second drive gear 13 and tripping gear 9, drive gear 12, second drive gear 13, tripping gear 9 and the transmission of meshing in proper order of first drive gear 6, drive gear 12 with the output shaft linkage cooperation of motor 14, be equipped with the screw thread on the output shaft of motor 14, the thread engagement transmission of drive gear 12 and output shaft, operating handle 3 passes through first drive gear 6 with tripping gear 9 linkage cooperation.
The circuit board 2 is provided with a first contact switch 7 and a second contact switch 8, a tripping gear 9 of the switching-on/off mechanism 14 is provided with a toggling block 10, the toggling block 10 rotates along with the tripping gear 9, in this embodiment, the first contact switch 7 and the second contact switch 8 are respectively arranged at a switching-off position and a switching-on position corresponding to the tripping gear 9 on the circuit board, the motor 14 drives the tripping gear 9 to rotate through a driving gear 12 and a second driving gear 13, when the tripping gear 9 rotates to the switching-off position or the switching-on position, the first contact switch 7 or the second contact switch 8 is toggled to trigger a circuit signal, and the circuit board 2 acquires the rotating position of the tripping gear according to the received signal sent by the first contact switch 7 or the second contact switch 8 so as to accurately control the operating state of the motor.
Handle detection mechanism be used for acquireing the positional information of handle, prevent that the action of messenger's circuit breaker execution mistake leads to equipment to damage because mechanical reason or artificial maloperation lead to the handle can't reach the correct position in the circuit breaker work. The handle detection mechanism mainly comprises an operating handle 3, a magnetic part 4 and a Hall sensor 5. The magnetic part 4 is a strong permanent magnet and is arranged on a linkage device which is connected with a handle of the circuit breaker and the switching-on and switching-off mechanism, and in the embodiment, the magnetic part 4 is arranged on the first transmission gear 6. Hall sensor 5 install in the circuit board, in this embodiment, hall sensor 5 locate on the circuit board and with when closing a floodgate magnetic part 4 on the first drive gear's position corresponds, whether detect operating handle 3 is located the correct position of closing a floodgate through a hall sensor 5, specific prevent that the maloperation principle is: after the normally working circuit breaker is subjected to emergency brake opening in a system, if the position of a handle is switched to a brake closing position due to mechanical reasons or manual operation when an accident is not processed, a processor on a circuit board firstly judges that the circuit breaker is in an accident condition at present according to a voltage signal detected by a contact, and then learns that the operating handle 3 is in an abnormal position (the normal position is supposed to be at the brake opening position) according to the position of the operating handle 3 obtained by the Hall sensor 5, and the processor controls the driving module to enable the motor to be out of work when the motor is powered off, so that the damage caused by the brake closing of the circuit breaker is avoided.
In this embodiment, the contact detection module is a sampling circuit and is used for detecting a voltage value at the contact, the handle detection module is used for acquiring a signal of the hall sensor, the driving module is used for controlling the on/off of a power supply circuit of the motor, the driving module is a conventional circuit design, and a person skilled in the art can adopt a corresponding circuit design module according to functional requirements.
The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.
Claims (5)
1. The utility model provides an automatic reclosing circuit breaker's handle prevents mistake operating means, includes casing (1), include circuit board (2), motor (14) and divide-shut brake mechanism in casing (1), motor (14) receive control signal control that circuit board (2) sent is so that divide-shut brake subassembly execution separating brake or closing a floodgate, its characterized in that: the brake closing device further comprises a handle detection mechanism, the handle detection mechanism comprises an operating handle (3), a magnetic part (4) and a Hall sensor (5), the operating handle (3) is in linkage connection with the brake closing and opening mechanism through a first transmission gear (6), the magnetic part (4) is arranged on the first transmission gear (6), the Hall sensor (5) is arranged on the circuit board (2) and corresponds to the magnetic part (4) on the first transmission gear (6),
the circuit board (2) comprises a contact detection module, a handle detection module and a driving module, the contact detection module acquires a feedback signal from a contact of the circuit breaker, the handle detection module acquires a sensing signal of the Hall sensor, and the driving module sends a corresponding control signal to control the working state of the motor according to the feedback signal and the sensing signal.
2. The handle anti-misoperation device of the automatic reclosing circuit breaker according to claim 1, characterized in that: divide closing mechanism includes dropout pull rod (11), drive gear (12), second drive gear (13) and tripping gear (9), operating handle (3) pass through first drive gear (6) with tripping gear (9) linkage cooperation, drive gear (12) with the motor linkage cooperation, drive gear (12), second drive gear (13), tripping gear (9) and first drive gear (6) mesh transmission in proper order.
3. The handle anti-misoperation device of the automatic reclosing circuit breaker according to claim 1 or 2, characterized in that: the switching-on and switching-off mechanism is characterized in that a first contact switch (7) and a second contact switch (8) are arranged on the circuit board (2), the switching-on and switching-off mechanism comprises a tripping gear (9), a shifting block (10) is arranged on the tripping gear (9), and the shifting block (10) rotates along with the tripping gear (9) and can shift the first contact switch (7) and the second contact switch (8) to control the on-off state of the first contact switch and the second contact switch.
4. The handle anti-misoperation device of the automatic reclosing circuit breaker according to claim 1, characterized in that: the magnetic part (4) is a strong permanent magnet.
5. The handle anti-misoperation device of the automatic reclosing circuit breaker according to claim 1, characterized in that: the Hall sensor (5) is arranged on the circuit board (2) and corresponds to the magnetic part (4) on the first transmission gear in the closing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921025501.XU CN210110667U (en) | 2019-07-03 | 2019-07-03 | Handle anti-misoperation device of automatic reclosing circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921025501.XU CN210110667U (en) | 2019-07-03 | 2019-07-03 | Handle anti-misoperation device of automatic reclosing circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN210110667U true CN210110667U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921025501.XU Active CN210110667U (en) | 2019-07-03 | 2019-07-03 | Handle anti-misoperation device of automatic reclosing circuit breaker |
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| CN (1) | CN210110667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002623A (en) * | 2020-08-25 | 2020-11-27 | 上海麦豆电气有限公司 | Be applied to single modulus width executor of autoeclosing |
-
2019
- 2019-07-03 CN CN201921025501.XU patent/CN210110667U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002623A (en) * | 2020-08-25 | 2020-11-27 | 上海麦豆电气有限公司 | Be applied to single modulus width executor of autoeclosing |
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