CN112908793A

CN112908793A - Electric operating mechanism of plug-in circuit breaker

Info

Publication number: CN112908793A
Application number: CN202110236476.5A
Authority: CN
Inventors: 卢瑞明; 冷岩; 谭敏
Original assignee: Beijing Mingri Electrical Equipment Co ltd
Current assignee: Beijing Mingri Electrical Equipment Co ltd
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-06-04

Abstract

The invention relates to an electric operating mechanism of an insertion type circuit breaker, which comprises a closing motor, a switching-off electromagnet, a PCB control panel and a micro-motion detection switch, wherein when the circuit breaker needs to be switched on, the PCB control panel gives a closing signal to enable the closing motor to rotate, a driving wheel drives a driven wheel to rotate, a driving electric handle is driven to close the circuit breaker, meanwhile, the closing detection switch is closed to detect whether the circuit breaker is switched on or not, when the circuit breaker needs to be switched off, the PCB control panel gives a switching-off signal to enable the switching-off electromagnet to be electrified, a movable iron core of the switching-off electromagnet pushes a tripping rod of the circuit breaker to trip the circuit breaker, and the switching-off detection switch acts to detect whether the circuit breaker is switched off or not, the closing and opening of the circuit breaker are independent systems respectively, and the use of a detection switch ensures that the electric opening and closing of the circuit breaker are stable and reliable in operation.

Description

Electric operating mechanism of plug-in circuit breaker

Technical Field

The invention relates to a low-voltage apparatus, in particular to an electric operating mechanism of a plug-in circuit breaker.

Background

Along with the rapid development of electric power and communication technologies in China, particularly the application of 5G network technologies, increasingly high requirements are provided for the practicability, safety and reliability of terminal electrical equipment such as circuit breakers, the traditional circuit breaker can not meet the requirements far away, in the continuous research and development, the circuit breaker in China not only reaches a new level in the aspects of miniaturization, intellectualization, reliability and the like, a plurality of brand new designs are structurally provided, if the circuit breaker can be conveniently plugged and used like a common electrical plug, the circuit breaker can be conveniently installed in or withdrawn from a circuit, the circuit breaker can be locked in a stable working state in an installation position, and meanwhile, the wiring direction of the circuit breaker and the wiring direction of an external plug-in wire are in the same plane, so that the circuit breaker is formed.

At present, an opening and closing operation mechanism of a plug-in circuit breaker is generally operated manually, the plug-in circuit breaker with an electric operation mechanism is often complex in structure and large in size, and some plug-in circuit breakers are only provided with accessories beside the circuit breaker, so that difficulty is increased in the use of the plug-in circuit breaker.

Disclosure of Invention

The invention discloses an electric operating mechanism of a plug-in circuit breaker, which has small volume and stable work.

The technical scheme adopted by the invention is as follows:

the electric operating mechanism of the plug-in circuit breaker comprises a plug-in circuit breaker, a shell, a wire inlet mechanism, a wire outlet mechanism, a manual operating mechanism, an electric operating mechanism, a contact actuating mechanism and an overload and short-circuit protection mechanism.

The plug-in circuit breaker is characterized in that the plug-in circuit breaker is further arranged, the shell of the plug-in circuit breaker is a rectangular hexahedron, the front side of the plug-in circuit breaker is a wire outlet end, the rear side of the plug-in circuit breaker is a wire inlet end, the left side of the plug-in circuit breaker is a base, the right side of the plug-in circuit breaker is an upper cover, the base is arranged to be one pole, the upper.

The manual operating mechanism comprises an operating handle, a switching-on and switching-off display mechanism and a locking mechanism, the operating handle is arranged on the front side of the upper part of one pole of the base on the left side of the shell, the switching-on and switching-off display mechanism is arranged on one side of the operating handle and the front side of the upper part of the other pole of the upper cover of the shell, and the locking mechanism is arranged on the upper part of the operating handle.

The electric operating mechanism comprises a closing mechanism, a separating mechanism, a PCB control panel and a microswitch, the closing mechanism comprises a closing motor and a driving wheel arranged on an output shaft of the closing motor, the driving wheel is meshed with the driving wheel, the driving wheel is vertically arranged on the PCB control panel through an installation shaft on one side of the driving wheel, the driven wheel is vertically arranged on the PCB control panel through an installation shaft on one side of the driven wheel, and the separating mechanism comprises a separating electromagnet horizontally arranged on the lower part of the PCB control panel.

The contact actuating mechanism is arranged on the rear side of the electric operating mechanism, an arc guide sheet is arranged between a moving contact and a fixed contact of the electric operating mechanism, and an arc extinguishing chamber is arranged on the rear side of the arc guide sheet.

The overload and short-circuit protection mechanism comprises a thermal tripping bimetallic strip and an electromagnetic trip, one end of the thermal tripping bimetallic strip is connected with the contact actuating mechanism through a connecting rod, the other end of the thermal tripping bimetallic strip is connected with an inlet wire socket of one pole, and the electromagnetic trip is arranged at the lower part of the contact actuating mechanism and pushes the contact actuating mechanism to act through the action of an armature of the electromagnetic trip.

And a current transformer is arranged at the rear side of the arc extinguish chamber, and an inlet wire socket of the other pole is arranged at the rear side of the current transformer.

Further setting, inlet wire mechanism include inlet wire socket and golden finger slot, inlet wire socket set up in bayonet circuit breaker's rear side, an utmost point inlet wire socket sets up last, another utmost point inlet wire socket sets up down between the dipolar inlet wire socket, be provided with bayonet circuit breaker carries out the golden finger slot of data acquisition and communication.

The wire outlet mechanism comprises a fastening screw and a wiring cavity, the fastening screw and the wiring cavity are arranged on the front side of the plug-in circuit breaker, the fastening screw is arranged on the upper portion of the wiring cavity, the wiring screws and the wiring cavity of the two poles are arranged in parallel, and arc-isolating plates are arranged between the two poles.

The switching-on mechanism comprises a switching-on motor, a driving wheel, a driven wheel and a microswitch.

The PCB control panel is characterized in that the micro switch comprises a switch-on position switch, a switch-off position switch and a power-off switch, and the micro switch is arranged on the PCB control panel and is matched with the driving wheel and the driven wheel through a deflector rod on one side to act.

The automatic closing device is further provided with a driving wheel which is an incomplete gear, a plurality of meshing teeth are arranged on the upper portion of the driving wheel, the driven wheel is connected with an output shaft of a closing motor reduction box, an opening groove is formed in the side face of the driving wheel, and transition inclined planes are arranged on two sides of the opening groove.

The driven wheel is an incomplete gear, a plurality of meshing teeth are arranged on the upper portion of the driven wheel, an exhaust hole is formed in one side of the center of the driven wheel, a triangular shaft is arranged on the other side of the center of the driven wheel, the exhaust hole is formed in the position where the triangular shaft is installed, an electric handle is sleeved outside the triangular shaft, an opening groove is formed in the side face of the driven wheel, and transition inclined planes are arranged on two sides of the opening groove.

The electric handle is further arranged to be cylindrical, an exhaust hole is formed in one end of the electric handle, the exhaust hole is formed in order to enable the electric handle to be installed in place, a triangular shaft hole is formed in the other end of the electric handle, the electric handle is connected with a driven wheel through the triangular shaft, an opening limit stop block and a closing limit stop block are arranged on the side face of the electric handle, an opening connecting rod hole is formed in the opening limit stop block, an opening connecting rod is arranged in the opening connecting rod hole and connected with an operating handle of the plug-in circuit breaker, a closing connecting rod hole is formed in the closing limit stop block, and a closing connecting rod is arranged in the closing connecting rod hole and connected with a contact actuating mechanism of the plug-in circuit breaker.

The circuit breaker switching-on device is further provided with a switching-on mechanism, the switching-on mechanism comprises a switching-on motor, a driving wheel and a driven wheel, the driving wheel is arranged on an output shaft of the switching-on motor, the driven wheel is meshed with the driving wheel, a reduction gearbox is arranged on one side of the switching-on motor, an output shaft of the reduction gearbox is connected with the driving wheel, incomplete teeth of the driving wheel are meshed with incomplete teeth of the driven wheel, a triangular shaft is arranged on one side of the center of the driven wheel, an electric handle is sleeved outside the triangular shaft, when the circuit breaker is required to be switched on, a PCB control panel gives a switching-on signal to enable the switching-on motor to rotate clockwise, the driving wheel also rotates, the driving wheel meshing teeth drive the driven wheel meshing teeth to rotate anticlockwise to drive the electric handle to rotate anticlockwise, a switching-on connecting rod of the electric handle acts, the driving wheel and the driven wheel are separated, the groove inclined plane on one side of the driven wheel is pressed against the switching-on position switch to be closed so as to detect whether the plug-in circuit breaker is switched on in place, the switching-off position switch is pressed by the groove inclined plane on the driving wheel to be switched off after the driving wheel continues rotating for an angle, the switching-on motor is switched off and stops rotating, the driving wheel and the meshing teeth of the driven wheel are disengaged after the driving wheel stops rotating, the plug-in circuit breaker can realize manual switching-off and switching-on at the moment, and the switching-off position switch and the switching-on position switch on one side of the driven wheel can detect whether the.

The opening mechanism comprises an opening electromagnet and an opening tripping rod, when the inserted circuit breaker needs to be opened, the PCB control board gives an opening signal to enable the opening electromagnet to be electrified, the movable iron core of the opening electromagnet pushes the opening tripping rod to enable the inserted circuit breaker to be tripped, the closing position switch is loosened, the electric handle resets under the action of the torsion spring, and the opening position switch is switched offDriven wheelThe inclined plane of the groove is pressed and closed so as to detect whether the breaker is in place or not.

The PCB control panel further comprises a PCB soft board, the PCB soft board is connected with the PCB control panel and the golden finger slot, and data acquisition of the plug-in circuit breaker and communication connection of the plug-in circuit breaker are achieved.

It is further provided that the plug-in circuit breaker comprises an electric operating mechanism of any one of the plug-in circuit breakers described above.

The plug-in circuit breaker with the structure has the advantages that:

the electric operating mechanism of the plug-in circuit breaker has simple structure and compact installation, can be conveniently installed in a shell of the plug-in circuit breaker, because the plug-in circuit breaker adopts a closing motor for closing operation, and the opening adopts an opening electromagnet for opening operation, the opening and the closing are respectively formed into systems without mutual interference, and simultaneously, the closing motor rotates in one direction when closing, thereby effectively prolonging the service life of the closing system, reducing the maintenance workload, because the side surfaces of a driving wheel and a driven wheel are matched with a microswitch for use through a groove inclined surface, the next step can be carried out after the circuit breaker is successfully detected for opening and closing operation, because of the arrangement of a PCB control panel and a PCB soft board, the automatic control of the plug-in circuit breaker can be realized through a golden finger slot, and through the adoption of the measures, the circuit breaker has the communication function, and can meet various intelligent use requirements, meanwhile, the working is stable and reliable.

Drawings

Fig. 1 is an overall external view structure of a plug-in type circuit breaker.

Fig. 2 is a schematic diagram of an internal structure of the plug-in type circuit breaker.

Fig. 3 is a front view of a side cover of the plug-in circuit breaker.

Fig. 4 is a structural view of the electric operating mechanism of fig. 2.

Fig. 5 is a structural view of the driving wheel in fig. 4.

Fig. 6 is a view showing a structure of a driven wheel side of fig. 4.

Fig. 7 is a view of the driven wheel of fig. 4 from the other side.

Fig. 8 is a transmission structure diagram of the closing motor of fig. 4.

Fig. 9 is a side view of the electric handle of fig. 4.

Fig. 10 is a view showing the other side of the electric handle of fig. 4.

Detailed Description

It should be noted that the terms "upper", "middle", "lower", "end", "front", "rear", "side", and the like in the description of the present invention, which indicate positional relationships, are based on the positional relationships shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The invention is further illustrated by the following examples in conjunction with the accompanying drawings.

A plug-in circuit breaker is shown in figures 1-3 and comprises a shell 1, a wire inlet mechanism 8, a wire outlet mechanism 3, a manual operation mechanism 2, an electric operation mechanism 4, a contact action mechanism 5 and an overload and short circuit protection mechanism 6.

Further, the housing 1 is a rectangular hexahedron, the left side is a base 101, the right side is an upper cover 102, the base 101 is set as one pole, the upper cover 102 is set as the other pole, and the right side of the housing is provided with a side cover 103.

The manual operating mechanism 2 further comprises an operating handle 201, a switching-on/off display mechanism 202 and a locking mechanism 203, wherein the operating handle 201 is arranged on the front side of the upper part of the first pole 101 of the base on the left side of the shell, the switching-on/off display mechanism 202 is arranged on the front side of the upper part of the other pole 102 of the upper cover of the shell, and the locking mechanism 203 is arranged on the upper part of the operating handle 201.

Further setting, electric operating mechanism 4 include closing mechanism, separating brake mechanism, PCB control panel and micro-gap switch, closing mechanism includes closing motor 401 and sets up at the epaxial action wheel 405 of closing motor 401 output, still include the driven wheel 404 of following of meshing with action wheel 405, action wheel 405 through the installation axle 4051 of action wheel one side perpendicular the setting PCB control panel 407 on, follow driven wheel 404 through the installation axle 4041 of following wheel one side perpendicular the setting PCB control panel on 407, separating brake mechanism including the separating brake electro-magnet 402 of decubitus setting in PCB control panel 407 lower part.

Further, the contact actuating mechanism 5 is arranged at the rear side of the electric operating mechanism 4, an arc guide sheet 601 is arranged between the moving contact and the fixed contact of the electric operating mechanism, and an arc extinguishing chamber 602 is arranged at the rear side of the arc guide sheet 601.

Further, the overload and short-circuit protection mechanism comprises a thermal tripping bimetallic strip 603 and an electromagnetic tripping device 604, one end of the thermal tripping bimetallic strip 603 is connected with the contact actuating mechanism 5 through a connecting rod 503, the other end of the thermal tripping bimetallic strip 603 is connected with an inlet wire socket 802 at one pole, and the electromagnetic tripping device 604 is arranged at the lower part of the contact actuating mechanism 5 and pushes the contact actuating mechanism 5 to act through the action of an armature of the electromagnetic tripping device 604.

It is further provided that a current transformer 7 is disposed at the rear side of the arc extinguish chamber 602, and an inlet wire socket 801 of the other pole is disposed at the rear side of the current transformer 7.

Further, a golden finger slot 803 for data acquisition and communication with the plug-in circuit breaker is arranged between the two poles of the

inlet wire sockets

801 and 802 at the rear side of the plug-in circuit breaker.

Further, the wire outgoing mechanism comprises a fastening screw 302 and a wiring cavity 301, the fastening screw 302 and the wiring cavity 301 are arranged on the front side of the plug-in circuit breaker, the fastening screw 302 is arranged on the upper portion of the wiring cavity 301, the fastening screw 302 and the wiring cavity 301 of two poles are arranged in parallel, and the arc separating plate 104 is arranged between the two poles.

Further, as shown in fig. 8, the closing mechanism includes a closing motor 401, a driving wheel 405, a driven wheel 404 and a microswitch.

Further, the micro switch comprises a switch-on position switch 4062, a switch-off position switch 4063 and a power-off switch 4061, the micro switch is arranged on the PCB control board 407, a deflector rod is arranged on one side of the micro switch, and the micro switch cooperates with the driving wheel 405 and the driven wheel 404 through the deflector rod.

Further, as shown in fig. 5, the driving wheel 405 is an incomplete gear, the upper portion of the driving wheel is provided with a plurality of meshing teeth 4053, the driving wheel 404 is connected with an output shaft of the reduction gearbox of the closing motor 401, the side surface of the driving wheel 405 is provided with an opening groove 4054, and two sides of the opening groove are provided with transition inclined surfaces 4052.

In a further arrangement, as shown in fig. 6 and 7, the driven wheel 404 is an incomplete gear, a plurality of meshing teeth 4043 are arranged on the upper portion of the driven wheel 404, an installation shaft 4041 is arranged on one side of the center of the driven wheel 404, an exhaust hole 4045 is arranged in the center of the installation shaft 4041, a triangular hole 4044 is arranged on the other side of the center of the driven wheel 404, a triangular shaft 4055 is arranged in the triangular hole, the exhaust hole 4045 is arranged to enable the triangular shaft 4055 to be installed in place, an electric handle 403 is sleeved outside the triangular shaft 4055, an opening groove 4044 is arranged on the side surface of the driven wheel 404, and transition inclined planes 4042 are arranged on two sides of the opening groove.

Further, as shown in fig. 9 and 10, the electric handle 403 is set to be cylindrical, an exhaust hole 4033 is formed in one end of the electric handle 403, the exhaust hole 4033 is formed in order to enable the electric handle 403 to be installed in place, a triangular shaft hole 4035 is formed in the other end of the electric handle 403, the electric handle 403 is connected with the driven wheel 404 through a triangular shaft 4055, a switching-off limit stop 4031 and a switching-on limit stop 4034 are formed in the side face of the electric handle 403, a switching-off connecting rod hole 4032 is formed in the switching-off limit stop 4031, a switching-off connecting rod is arranged in the switching-off connecting rod hole and connected with an operating handle of the plug-in circuit breaker, a switching-on connecting rod hole 4036 is formed in the switching-on connecting rod hole, and the switching-on connecting rod is arranged in.

Further, as shown in fig. 8, a reduction box 4011 is arranged on one side of the switching-on motor 401, an output shaft of the reduction box 4011 is connected with a driving wheel 405, incomplete teeth 4053 of the driving wheel 405 are engaged with incomplete teeth 4043 of a driven wheel 404, a triangular shaft 4055 is arranged on one side of the center of the driven wheel 404, an electric handle 403 is sleeved outside the triangular shaft 4055, when the switching-on of the plug-in circuit breaker is required, a switching-on signal is given by a PCB control board 407, the switching-on motor 401 rotates clockwise, the driving wheel 405 also rotates to drive the driven wheel 405 to rotate counterclockwise, the driven wheel 405 drives the electric handle 403 to rotate counterclockwise through the triangular shaft 4055 to switch on the plug-in circuit breaker, the driving wheel 405 and the driven wheel 404 are separated after the plug-in circuit breaker is switched on, the driven wheel 404 continues to rotate, a groove inclined surface 4052 on one side of the driven wheel presses against, when the driving wheel 4005 continues to rotate by an angle, the lever of the power-off position switch 4061 is pressed by the groove inclined plane 4052 on the driving wheel 405 to turn off the power-off position switch 4061, so that the switching-on motor 401 is powered off and stops rotating.

The device is further provided, the opening mechanism comprises an opening electromagnet 402 and an opening tripping rod 504, when the opening of the plug-in circuit breaker is needed, the PCB control board 407 gives an opening signal to electrify the opening electromagnet 402, the movable iron core of the opening electromagnet 402 pushes the opening tripping rod 504 to trip the plug-in circuit breaker, the closing position switch 4062 is released, the electric handle 403 resets under the action of the reset button spring, and the deflector rod of the opening position switch 4063 is pressed against and closed by the groove inclined surface 4042 of the driven wheel 404 to detect whether the opening of the circuit breaker is in place.

Further, the PCB control board 407 further includes a PCB flexible board 4071, the PCB flexible board 4071 connect the PCB control board 407 and the gold finger slot 803, so as to implement the data acquisition of the plug-in circuit breaker and the communication connection of the plug-in circuit breaker.

It should be noted that: the foregoing examples are given by way of illustration only, and not by way of limitation, of the present invention, and it will be apparent to those of ordinary skill in the art that variations and modifications in other variations and embodiments may be made based on the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments, and obvious variations and modifications can be made without departing from the scope of the present invention.

Claims

1. An electric operating mechanism of a plug-in circuit breaker comprises the plug-in circuit breaker, a wire inlet mechanism, a wire outlet mechanism, a manual operating mechanism, an electric operating mechanism, a contact actuating mechanism and an overload and short circuit protection mechanism;

the method is characterized in that:

the shell of the plug-in circuit breaker is a rectangular hexahedron, the front side of the shell is an outlet end, the rear side of the shell is an inlet end, the left side of the shell is a base, the right side of the shell is an upper cover, the base is arranged as one pole, the upper cover is arranged as the other pole, and the right side of the shell is provided with a side cover;

the manual operating mechanism comprises an operating handle, a locking mechanism arranged on the upper part of the operating handle and a switching-on/off display mechanism arranged on the side of the operating handle;

the electric operating mechanism comprises a closing mechanism, a separating mechanism, a PCB control panel and a microswitch, the closing mechanism comprises a closing motor, a driving wheel arranged on an output shaft of the closing motor and a driven wheel meshed with the driving wheel, the driving wheel is vertically arranged on the PCB control panel through an installation shaft at one side of the driving wheel, the driven wheel is vertically arranged on the PCB control panel through an installation shaft at one side of the driven wheel, and the separating mechanism comprises a separating electromagnet horizontally arranged at the lower part of the PCB control panel;

the wire inlet mechanism comprises a wire inlet jack and a golden finger slot, the wire inlet jack is arranged at the rear side of the plug-in circuit breaker, one pole wire inlet jack is arranged above the wire inlet jack, the other pole wire inlet jack is arranged below the wire inlet jack, and the golden finger slot for data acquisition and communication with the plug-in circuit breaker is arranged between the two pole wire inlet jacks;

the wire outlet mechanism comprises a fastening screw and a wiring cavity, the fastening screw and the wiring cavity are arranged on the front side of the plug-in circuit breaker, the fastening screw is arranged on the upper portion of the wiring cavity, the fastening screw and the wiring cavity of the two poles are arranged in parallel, and arc-isolating plates are arranged between the two poles.

2. The electrical operating mechanism of the plug-in type circuit breaker according to claim 1, wherein: the micro switch comprises a switch-on position switch, a switch-off position switch and a power-off switch, and is arranged on the PCB control board and is matched with the driving wheel and the driven wheel to act.

3. An electric operating mechanism of a plug-in circuit breaker according to claim 1, characterized in that: the driving wheel is an incomplete gear, a plurality of meshing teeth are arranged on the upper portion of the driving wheel, the driving wheel is connected with an output shaft of the reduction gearbox of the switching-on motor, an opening groove is formed in the side face of the driving wheel, and transition inclined planes are arranged on two sides of the opening groove.

4. An electric operating mechanism of a plug-in circuit breaker according to claim 1, characterized in that: the driven wheel is an incomplete gear, a plurality of meshing teeth are arranged on the upper portion of the driven wheel, an exhaust hole is formed in one side of the center of the driven wheel, a triangular shaft is arranged on the other side of the center of the driven wheel, an electric handle is sleeved outside the triangular shaft, an opening groove is formed in the side face of the driven wheel, and transition inclined planes are arranged on two sides of the opening groove.

5. An electric operating mechanism of a plug-in circuit breaker according to claim 4, characterized in that: the electric handle is cylindrical, one end of the electric handle is provided with an exhaust hole, the other end of the electric handle is provided with a triangular shaft hole, the side face of the electric handle is provided with a separating brake limit stop and a closing limit stop, a separating brake connecting rod hole is formed in the separating brake limit stop, a separating brake connecting rod is arranged in the separating brake connecting rod hole and is connected with an action handle of the circuit breaker, a closing connecting rod hole is formed in the closing limit stop, and a closing connecting rod is arranged in the closing connecting rod hole and is connected with a contact action mechanism of the circuit breaker.

6. The electrical operating mechanism of the plug-in type circuit breaker according to claim 1, wherein: the switching-on mechanism comprises a switching-on motor, a driving wheel arranged on an output shaft of the switching-on motor and a driven wheel meshed with the driving wheel, wherein a reduction box is arranged on one side of the switching-on motor, the output shaft of the reduction box is connected with the driving wheel, incomplete teeth of the driving wheel are meshed with incomplete teeth of the driven wheel, a triangular shaft is arranged on one side of the center of the driven wheel, an electric handle is sleeved outside the triangular shaft, when a circuit breaker needs to be switched on, a PCB control panel gives a switching-on signal to enable the switching-on motor to rotate clockwise and the driving wheel to rotate, the meshing teeth of the driving wheel drive the meshing teeth of the driven wheel to rotate anticlockwise and drive the electric handle to rotate anticlockwise, a switching-on connecting rod of the electric handle arranged on one side of the electric handle acts to push the plug-in type contact actuating mechanism to, the driving wheel and the driven wheel are separated, the groove inclined plane on one side of the driven wheel is pressed against the switching-on position switch to be closed so as to detect whether the plug-in circuit breaker is switched on in place, after the driving wheel continuously rotates for an angle, the switching-off position switch is pressed by the groove inclined plane on the driving wheel to be switched off, a switching-on motor is switched off, the driving wheel stops rotating, after the driving wheel stops rotating, the driving wheel and the meshing teeth of the driven wheel are disengaged, at the moment, the circuit breaker can realize manual switching-on and switching-off, and the switching-on and switching-off position switch of the driven wheel.

7. The electrical operating mechanism of the plug-in type circuit breaker according to claim 1, wherein: the opening mechanism comprises an opening electromagnet and an opening tripping rod, when the plug-in circuit breaker needs to be opened, the PCB control board gives an opening signal to enable the opening electromagnet to be electrified, a movable iron core of the opening electromagnet pushes the tripping rod of the plug-in circuit breaker to enable the contact actuating mechanism to be opened, at the moment, the closing position switch is loosened to cut off the power, the electric handle resets under the action of the torsion spring, and the opening position switch is pressed against and closed by the groove inclined plane of the driven wheel to detect whether the plug-in circuit breaker is in place or not.

8. The electrical operating mechanism of the plug-in type circuit breaker according to claim 1, wherein: the PCB control panel still include the PCB soft board, the PCB soft board connect PCB control panel with the golden finger slot, realize right plug-in circuit breaker's data acquisition and right plug-in circuit breaker's communication connection.

9. An electric operating mechanism of a plug-in circuit breaker according to claim 1, characterized in that: the plug-in circuit breaker comprises an electric operating mechanism of the plug-in circuit breaker according to any one of claims 1 to 8.