CN112038195A

CN112038195A - Circuit breaker electric operating mechanism with clutch function

Info

Publication number: CN112038195A
Application number: CN202011081085.2A
Authority: CN
Inventors: 吴辰浩
Original assignee: Wuxi Yizhiwei Electric Technology Co ltd
Current assignee: Wuxi Yizhiwei Electric Technology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2020-12-04

Abstract

The invention relates to an electric operating mechanism of a circuit breaker, in particular to an electric operating mechanism of a circuit breaker with a clutch function. The device comprises a box body, wherein a controller and an electric driving mechanism are arranged in the box body. The electric driving mechanism comprises a rotating shaft, a first microswitch, a second microswitch and a motor. One end of the rotating shaft penetrates through the front face of the box body and extends out of the box body, a driven gear is arranged on the section of the rotating shaft in the box body, and a transmission mechanism is arranged between the driven gear and an output shaft of the motor. The rotating shaft is provided with a toggle mechanism. It features that the driven gear and the rotating shaft are axially fixed and matched in rotation and one arc slot is uniformly distributed on one side wall of the driven gear along its circumference. A transmission disc is arranged on the rotating shaft, and an arc-shaped boss is arranged on the disc surface of the transmission disc. A return spring is sleeved on the rotating shaft corresponding to one side of the transmission disc far away from the driven gear. The electric operating mechanism has low assembly requirement and lower processing cost, and the problem of normal work of the operating mechanism can not occur.

Description

Circuit breaker electric operating mechanism with clutch function

Technical Field

The invention relates to an electric operating mechanism of a circuit breaker, in particular to an electric operating mechanism of a circuit breaker with a clutch function, which is convenient for manual operation.

Background

At present, the circuit breaker electric operating mechanism who uses in the trade includes the box body, has controller and electric drive mechanism in the box body. The electric driving mechanism comprises a rotating shaft, a first microswitch, a second microswitch and a motor, and the first microswitch, the second microswitch and the motor are electrically connected with the controller. One end of the rotating shaft penetrates through the front face of the box body and extends out of the box body, a driven gear is concentrically arranged on the section of the rotating shaft in the box body, a one-way bearing is arranged between the driven gear and the rotating shaft, and a transmission mechanism is arranged between the driven gear and an output shaft of the motor. A toggle mechanism is arranged on the rotating shaft and is positioned between the first microswitch and the second microswitch. When the circuit breaker works, the electric operating mechanism is arranged on the outer side of the circuit breaker, so that the toggle mechanism is connected with a handle of the circuit breaker. During electric operation, the controller controls the motor to drive the rotating shaft to rotate, and the rotating shaft drives the handle of the circuit breaker to perform opening and closing operation through the toggle mechanism. During manual operation, due to the one-way bearing, the rotating shaft does not need to be driven to rotate in the rotating process, so that the rotating shaft can be easily rotated to realize manual separation and brake. However, the one-way bearing and the driven gear need interference fit, loose and can not drive the driven gear to rotate, tight and capable of damaging the one-way bearing during assembly, and high assembly requirements are achieved. Further, since the assembly requirement of the driven gear and the one-way bearing is high, the precision requirement of the bearing mounting hole of the driven gear is also high, and the processing cost of the driven gear is high. In addition, the one-way bearing is poor in weather resistance, and due to the particularity of electric operation application, the one-way bearing can continuously work after being installed, and can not work for a long time.

Disclosure of Invention

The technical problem to be solved by the invention is to provide the electric operating mechanism of the circuit breaker with the clutch function, the electric operating mechanism has low assembly requirement and low processing cost, and the problem of normal work of the operating mechanism can not occur.

In order to solve the problems, the following technical scheme is provided:

the invention discloses an electric operating mechanism of a circuit breaker with a clutch function, which comprises a box body, wherein a controller and an electric driving mechanism are arranged in the box body. The electric driving mechanism comprises a rotating shaft, a first microswitch, a second microswitch and a motor, and the first microswitch, the second microswitch and the motor are electrically connected with the controller. One end of the rotating shaft penetrates through the front face of the box body and extends out of the box body, the rotating shaft is in rotating fit with the box body, a driven gear is concentrically arranged on the section of the rotating shaft in the box body, and a transmission mechanism is arranged between the driven gear and an output shaft of the motor. A toggle mechanism is arranged on the rotating shaft and is positioned between the first microswitch and the second microswitch. The driving gear is characterized in that the driven gear is matched with the rotating shaft in an axially fixed and circumferential rotating manner, arc-shaped grooves are uniformly distributed on one side wall of the driven gear along the circumferential direction of the driven gear, the circle centers of the arc-shaped grooves are all positioned on the axis of the driven gear, the depths of the arc-shaped grooves are gradually reduced from one end to the other end of the arc-shaped grooves, the depths of the shallow ends of the arc-shaped grooves are zero, and the orientations of the deep ends and the shallow ends of the arc-shaped grooves are consistent. The pivot of driven gear one side that the arc wall corresponds is provided with the driving disc with one heart in the pivot, is axial slip, the cooperation of circumference fixed form between driving disc and pivot, has the arc boss along its circumference equipartition on that driving disc quotation that is close to driven gear, and the centre of a circle of arc boss all is on the axis of pivot, and the arc boss height becomes low gradually from its one end to another end within a definite time, and the bellied short end thickness of arc is zero. The rotating shaft corresponding to one side of the transmission disc far away from the driven gear is sleeved with a return spring, and the arc-shaped grooves and the arc-shaped protrusions are arranged in a one-to-one correspondence manner.

Wherein, the front surface of the box body is concave, and the back surface of the box body is open. The box body is internally provided with a supporting plate which is parallel to the front surface of the box body, the rotating shaft and the motor are both positioned on the supporting plate, the two ends of the rotating shaft respectively extend out of the two sides of the supporting plate, and the rotating shaft is in rotating fit with the supporting plate. The driven gear is located between the supporting plate and the front face of the box body, and the toggle mechanism, the first microswitch and the second microswitch are located between the supporting plate and the back face of the box body. One end of the reset spring is abutted against the transmission disc, and the other end of the reset spring is abutted against the front face of the box body.

Toggle mechanism includes and is concentric fixed fanning strip with the pivot, the fanning strip with the backup pad is parallel, has the guide arm in the box body in the fanning strip outside, has the slider on the guide arm, and fanning strip one side that is close to the slider is fixed with the eccentric pin, and the eccentric pin is perpendicular with the fanning strip, has the bearing on the eccentric pin, has first logical groove on the slider side that the bearing corresponds, and first logical groove is perpendicular with the guide arm, and the bearing is located first logical groove. First micro-gap switch and fan-shaped piece are in same vertical plane, and first micro-gap switch's shell fragment arrives the distance of pivot equals with the radius of fan-shaped piece, second micro-gap switch and slider are in same vertical plane, and the shell fragment of second micro-gap switch equals with the distance of the lateral wall of slider to the pivot to the distance of pivot to the shell fragment, when the pivot passes through the fan-shaped piece and drives the slider and slide to the one side of keeping away from second micro-gap switch, the slider leaves second micro-gap switch's shell fragment, and the fan-shaped piece offsets with first micro-gap switch's shell fragment, when the pivot passes through the fan-shaped piece and drives the slider and slide to the one side of being close to second micro-gap switch, and the fan-shaped piece leaves first micro-gap switch's shell fragment, and the slider.

The sunken oral area has the baffle, there is the spout at the baffle back that the overhanging end of pivot corresponds, and there is the mouth of stepping down between the bottom of the spout one end that the pivot corresponds and the baffle openly. A sliding plate is arranged in the sliding groove, and the width of the sliding plate is larger than the caliber of the yielding port. Two cell wall one ends of the spout that the pivot corresponds all have first spacing arch, all have the spacing arch of second on the other end of two cell walls of spout, all have spacing strip on the slide both sides that two cell walls of spout correspond, have the spacing pit with spacing protruding looks adaptation on the spacing strip. The corresponding position opening that lets of spout one end that is close to the pivot has first opening on the inner wall, keeps away from the corresponding position opening that lets of spout one end of pivot and has the second opening on the inner wall, there is first lead sealing seat on the slide, has the lead sealing seat of second on the first opening, and first lead sealing seat passes and lets the position opening stretch out to the baffle outside, all has the lead sealing hole on the relative position of first lead sealing seat and second lead sealing seat. When the slide is located the spout one end that the pivot corresponds, first spacing arch and spacing pit looks adaptation, the slide blocks let the position mouth, first lead sealing seat is located first opening, and just first lead sealing seat offsets with the lead sealing seat of second, and when the slide was located the spout other end, spacing arch of second and spacing pit looks adaptation, the slide left and let the position mouth, and first lead sealing seat is located the second opening.

The front of baffle is equipped with the display screen, the display screen with the controller is the electricity and is connected, and the display screen is connected with operating button. The side wall of the box body is provided with an external interface which is electrically connected with the controller.

The utility model discloses a box body, including box body, baffle, action bars, baffle, through holes, and the like.

The transmission mechanism comprises a driving gear and a reduction gear set, the driving gear is fixed on an output shaft of the motor, and the reduction gear set is located between the driving gear and the driven gear.

By adopting the scheme, the method has the following advantages:

the driven gear of the electric operating mechanism of the circuit breaker with the clutch function is matched with the rotating shaft in an axially fixed and circumferentially rotating manner, an arc-shaped groove is uniformly distributed on one side wall of the driven gear along the circumferential direction of the side wall, a driving disc is concentrically arranged on the rotating shaft on one side of the driven gear corresponding to the arc-shaped groove, the driving disc is matched with the rotating shaft in an axially sliding and circumferentially fixed manner, arc-shaped bosses are uniformly distributed on the disc surface of the driving disc close to the driven gear along the circumferential direction of the disc surface, and a reset spring is sleeved on the rotating shaft corresponding to one side of the driving disc far away from the driven gear. During the use, during electric operation, the motor passes through drive mechanism and drives driven gear and rotate to the shallow end of arc wall, and at this moment, the deep end of arc wall offsets with the high-end of arc boss, and driven gear passes through the arc boss and rotates with the pivot to transmission disc and pivot on the earth to realize electric operation. During manual operation, staff's manual drive pivot and driving disk rotate to the short end of arc boss, and the high-end deep end that leaves the arc recess of arc boss, and the driving disk is to keeping away from driven gear's one side activity under the effect of arc recess, and reset spring is compressed, continues to rotate the pivot, and the arc boss leaves the arc recess completely, realizes the separation and reunion, accomplishes manual operation simultaneously. The electric operating mechanism realizes clutch by utilizing the matching of the arc-shaped boss and the arc-shaped groove, so that a one-way bearing is not required to be installed, and the assembly precision is greatly reduced. In addition, a high-precision mounting hole does not need to be machined in the driven gear, and machining cost is greatly reduced. And the transmission disc and the transmission gear are not provided with roller structures, so that the weather resistance is better, the corrosion problem can not occur, and the whole operating mechanism can normally work for a long time.

Drawings

Fig. 1 is a schematic structural view of an electric operating mechanism of a circuit breaker with a clutch function according to the present invention;

FIG. 2 is an enlarged schematic view of section A of FIG. 1;

FIG. 3 is a schematic structural diagram of an electric operating mechanism of the circuit breaker with a clutch function of the invention after a baffle is hidden;

FIG. 4 is a schematic structural diagram of an electric operating mechanism of a circuit breaker with a clutch function according to the present invention after a baffle and a box are hidden;

fig. 5 is a perspective view of the electric operating mechanism of the circuit breaker with clutch function of the present invention in a rear view;

FIG. 6 is a schematic view of the structure of FIG. 5 after the slider is hidden;

fig. 7 is a schematic structural diagram of a baffle plate in the electric operating mechanism of the circuit breaker with the clutch function of the invention;

fig. 8 is a schematic structural view of a transmission plate in the electric operating mechanism of the circuit breaker with a clutch function according to the present invention;

fig. 9 is an exploded view of a driving plate and a driven gear in the electric operating mechanism of the circuit breaker having a clutch function according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 9, the electric operating mechanism of the circuit breaker with the clutch function of the invention comprises a box body 1, and a controller and an electric driving mechanism are arranged in the box body 1. The electric driving mechanism comprises a rotating shaft 17, a first microswitch 24, a second microswitch 25 and a motor 21, wherein the first microswitch 24, the second microswitch 25 and the motor 21 are electrically connected with the controller. One end of the rotating shaft 17 penetrates through the front face of the box body 1 and extends out, the rotating shaft 17 is in rotating fit with the box body 1, a driven gear 19 is concentrically arranged on the section of the rotating shaft 17 located in the box body 1, and a transmission mechanism is arranged between the driven gear 19 and an output shaft of the motor 21. A toggle mechanism is arranged on the rotating shaft 17 and is positioned between the first microswitch 24 and the second microswitch 25. Be axial fixity, circumferential direction form cooperation between driven gear 19 and pivot 17, there is arc wall 35 along its circumference equipartition on driven gear 19's a lateral wall, and the centre of a circle of arc wall 35 all is located driven gear 19's axis, and the degree of depth of arc wall 35 all diminishes gradually from its one end to another end within a definite time, and the degree of depth of the shallow end of arc wall 35 is zero, and the orientation of the deep end of each arc wall 35 and shallow end is all unanimous. The pivot 17 of driven gear 19 one side that the arc wall 35 corresponds is provided with drive plate 33 on the heart, is axial slip, the cooperation of circumference fixed form between drive plate 33 and pivot 17, and the drive plate 33 quotation that is close to driven gear 19 has arc boss 34 along its circumference equipartition, and the centre of a circle of arc boss 34 all is on the axis of pivot 17, and arc boss 34 height becomes low gradually from its one end to another end within a definite time, and the bellied short end thickness of arc is zero. The rotating shaft 17 corresponding to one side of the transmission disc 33 far away from the driven gear 19 is sleeved with a return spring 20, and the arc-shaped grooves 35 and the arc-shaped protrusions are arranged in a one-to-one correspondence manner.

The front surface of the box body 1 is sunken, and the back surface of the box body 1 is open. The box body 1 is internally provided with a supporting plate 18, the supporting plate 18 is parallel to the front surface of the box body 1, the rotating shaft 17 and the motor 21 are both positioned on the supporting plate 18, two ends of the rotating shaft 17 respectively extend out of two sides of the supporting plate 18, and the rotating shaft 17 is in rotating fit with the supporting plate 18. The driven gear 19 is positioned between the supporting plate 18 and the front surface of the box body 1, and the toggle mechanism, the first microswitch 24 and the second microswitch 25 are positioned between the supporting plate 18 and the back surface of the box body 1. One end of the return spring 20 is abutted against the transmission disc 33, and the other end is abutted against the front surface of the box body 1.

The toggle mechanism comprises a sector 31 which is fixed concentrically with the rotating shaft 17, the sector 31 is parallel to the supporting plate 18, a guide rod 26 is arranged in the box body 1 at the outer side of the sector 31, a sliding block 27 is arranged on the guide rod 26, an eccentric pin 30 is fixed at one side of the sector 31 close to the sliding block 27, the eccentric pin 30 is perpendicular to the sector 31, a bearing 28 is arranged on the eccentric pin 30, a first through groove 29 is arranged on the side surface of the sliding block 27 corresponding to the bearing 28, the first through groove 29 is perpendicular to the guide rod 26, and the bearing 28 is positioned in the first through groove 29. The first microswitch 24 and the fan-shaped piece 31 are in the same vertical plane, the distance from the elastic piece of the first microswitch 24 to the rotating shaft 17 is equal to the radius of the fan-shaped piece 31, the second microswitch 25 and the sliding block 27 are in the same vertical plane, the distance from the elastic piece of the second microswitch 25 to the rotating shaft 17 is equal to the distance from the side wall of the sliding block 27 to the rotating shaft 17, when the rotating shaft 17 drives the sliding block 27 to slide towards one side far away from the second microswitch 25 through the fan-shaped piece 31, the sliding block 27 leaves the elastic piece of the second microswitch 25, the fan-shaped piece 31 is abutted against the elastic piece of the first microswitch 24, when the rotating shaft 17 drives the sliding block 27 to slide towards one side near the second microswitch 25 through the fan-shaped piece 31, the fan-shaped piece 31 leaves the elastic piece of the first microswitch 24, and the sliding block 27 is abutted against the elastic piece of the second microswitch 25.

The sunken oral area has baffle 2, there is spout 32 at the baffle 2 back that the overhanging end of pivot 17 corresponds, and there is the mouth of stepping down 3 between the bottom of the spout 32 one end that the pivot 17 corresponds and the baffle 2 openly. A sliding plate 4 is arranged in the sliding groove 32, and the width of the sliding plate 4 is larger than the caliber of the position-giving opening 3. Two cell wall one ends of spout 32 that pivot 17 corresponds all have first spacing arch 14, all have second spacing arch 15 on the other end of two cell walls of spout 32, all have spacing strip 13 on the slide 4 both sides that two cell walls of spout 32 correspond, have the spacing pit with spacing protruding looks adaptation on the spacing strip 13. Have first opening 12 on the 3 inner walls of stepping down that the spout 32 one end that is close to pivot 17 corresponds, have second opening 5 on the 3 inner walls of stepping down that the spout 32 one end that keeps away from pivot 17 corresponds, there is first lead sealing seat 10 on the slide 4, has second lead sealing seat 11 on the first opening 12, and first lead sealing seat 10 passes and lets a 3 stretch out to the 2 outsides of baffle, all has the lead sealing hole on the relative position of first lead sealing seat 10 and second lead sealing seat 11. When the sliding plate 4 is located at one end of the sliding groove 32 corresponding to the rotating shaft 17, the first limiting protrusion 14 is matched with the limiting concave pit, the sliding plate 4 blocks the let position opening 3, the first lead seal seat 10 is located in the first opening 12, the first lead seal seat 10 abuts against the second lead seal seat 11, when the sliding plate 4 is located at the other end of the sliding groove 32, the second limiting protrusion 15 is matched with the limiting concave pit, the sliding plate 4 leaves the let position opening 3, and the first lead seal seat 10 is located in the second opening 5.

There is display screen 8 on the front of baffle 2, display screen 8 with the controller is the electricity and is connected, and display screen 8 is connected with operating button 7. An external interface 9 is arranged on the side wall of the box body 1, and the external interface 9 is electrically connected with the controller.

There is action bars 6 in the backup pad 18, is the axial activity form cooperation along action bars 6 between action bars 6 and backup pad 18, all has the through-hole on the box body 1 that the one end of action bars 6 corresponds openly and the baffle 2 to the hole of stepping down that the one end of action bars 6 passed box body 1 openly and baffle 2 stretches out outside.

The transmission mechanism comprises a driving gear 22 and a reduction gear set 23, the driving gear 22 is fixed on an output shaft of the motor 21, and the reduction gear set 23 is positioned between the driving gear 22 and the driven gear 19.

In this embodiment, the controller is an integrated circuit board 16, and the integrated circuit board 16 is located between the front surface of the box body 1 and the baffle 2.

When the circuit breaker electric operating mechanism with the clutch function is used, the circuit breaker electric operating mechanism with the clutch function is installed on a circuit breaker, the back face of the box body 1 faces the front face of the circuit breaker, the handle of the circuit breaker is located in the first through groove 29, the operating rod 6 is abutted to the tripping button of the circuit breaker, and the controller is connected with the Internet of things control terminal. A lead seal ring is arranged between the first lead seal seat 10 and the second lead seal seat 11.

When remote control closes, thing networking control terminal sends the instruction of closing to the controller, controller control motor 21 rotates, motor 21 passes through driving gear 22 and reduction gear 23 and drives driven gear 19 and rotate to the shallow end of arc wall 35, this moment, the deep end of arc wall 35 offsets with the high-end of arc boss 34, and then, driven gear 19 drives driving disc 33 and pivot 17 rotation, fan-shaped piece 31 passes through bearing 28 and drives slider 27 and slide to the one side of keeping away from second micro-gap switch 25, slider 27 leaves second micro-gap switch 25's shell fragment, slider 27 drives the handle arrival switching-on position of circuit breaker, the circuit breaker, fan-shaped piece 31 offsets with first micro-gap switch 24's shell fragment, at this moment, the acceptable switching-off signal of controller.

When remote control breaks brake, thing networking control terminal sends the instruction of closing a floodgate to the controller, controller control motor 21 rotates, motor 21 passes through driving gear 22 and reduction gear 23 and drives driven gear 19 and rotate to the shallow end of arc wall 35, this moment, the deep end of arc wall 35 offsets with the high-end of arc boss 34, and then, driven gear 19 drives driving disc 33 and pivot 17 and rotates, fan-shaped piece 31 passes through bearing 28 and drives slider 27 and slide to the one side that is close to second micro-gap switch 25, fan-shaped piece 31 leaves first micro-gap switch 24's shell fragment, slider 27 drives the handle of circuit breaker and reachs the position of breaking a floodgate, the circuit breaker breaks brake, slider 27 offsets with second micro-gap switch 25's shell fragment, at this moment, the acceptable closing signal of controller.

During manual operation, a worker firstly opens the lead seal ring, slides the sliding plate 4 to one side far away from the second lead seal seat 11, and leaves the position-giving opening 3 from the sliding plate 4. Then, the rotating shaft 17 and the transmission disc 33 are manually driven to rotate towards the short end of the arc-shaped boss 34, the arc-shaped boss 34 is high-end away from the deep end of the arc-shaped groove, the transmission disc 33 moves towards one side away from the driven gear 19 under the action of the arc-shaped groove, the reset spring 20 is compressed, the rotating shaft 17 continues to rotate, the arc-shaped boss 34 completely leaves the arc-shaped groove, the clutch is realized, and meanwhile, the manual operation is completed.

Claims

1. The circuit breaker electric operating mechanism with the clutch function comprises a box body (1), wherein a controller and an electric driving mechanism are arranged in the box body (1); the electric driving mechanism comprises a rotating shaft (17), a first microswitch (24), a second microswitch (25) and a motor (21), and the first microswitch (24), the second microswitch (25) and the motor (21) are electrically connected with the controller; one end of the rotating shaft (17) penetrates through the front surface of the box body (1) and extends out of the box body, the rotating shaft (17) is in rotating fit with the box body (1), a driven gear (19) is concentrically arranged on the section of the rotating shaft (17) positioned in the box body (1), and a transmission mechanism is arranged between the driven gear (19) and an output shaft of the motor (21); a toggle mechanism is arranged on the rotating shaft (17), and is positioned between the first microswitch (24) and the second microswitch (25); the driven gear (19) is axially fixed and circumferentially and rotatably matched with the rotating shaft (17), arc-shaped grooves (35) are uniformly distributed on one side wall of the driven gear (19) along the circumferential direction of the driven gear, the circle centers of the arc-shaped grooves (35) are all positioned on the axis of the driven gear (19), the depths of the arc-shaped grooves (35) are gradually reduced from one end to the other end of the arc-shaped grooves, the depth of the shallow end of each arc-shaped groove (35) is zero, and the deep end and the shallow end of each arc-shaped groove (35) are in the same direction; a transmission disc (33) is concentrically arranged on the rotating shaft (17) on one side of the driven gear (19) corresponding to the arc-shaped groove (35), the transmission disc (33) and the rotating shaft (17) are matched in an axially sliding and circumferentially fixed manner, arc-shaped bosses (34) are uniformly distributed on the disc surface of the transmission disc (33) close to the driven gear (19) along the circumferential direction of the transmission disc, the circle centers of the arc-shaped bosses (34) are all on the axis of the rotating shaft (17), the heights of the arc-shaped bosses (34) gradually become lower from one end to the other end of the arc-shaped bosses, and the thicknesses of the short ends of the arc-shaped bosses are zero; the rotating shaft (17) which is far away from one side of the transmission disc (33) of the driven gear (19) and corresponds to one side is sleeved with a return spring (20), and the arc-shaped grooves (35) and the arc-shaped protrusions are arranged in a one-to-one correspondence mode.

2. The electric operating mechanism of circuit breaker with clutch function as claimed in claim 1, wherein the front surface of the box body (1) is concave, and the back surface of the box body (1) is open; a supporting plate (18) is arranged in the box body (1), the supporting plate (18) is parallel to the front surface of the box body (1), the rotating shaft (17) and the motor (21) are both positioned on the supporting plate (18), two ends of the rotating shaft (17) respectively extend out of two sides of the supporting plate (18), and the rotating shaft (17) is in rotating fit with the supporting plate (18); the driven gear (19) is positioned between the supporting plate (18) and the front surface of the box body (1), and the toggle mechanism, the first microswitch (24) and the second microswitch (25) are positioned between the supporting plate (18) and the back surface of the box body (1); one end of the reset spring (20) is abutted against the transmission disc (33), and the other end of the reset spring is abutted against the front face of the box body (1).

3. The electric operating mechanism of circuit breaker with clutch function as claimed in claim 2, characterized in that the toggle mechanism comprises a sector (31) concentrically fixed with the rotating shaft (17), the sector (31) is parallel to the supporting plate (18), a guide rod (26) is arranged in the box body (1) at the outer side of the sector (31), a sliding block (27) is arranged on the guide rod (26), an eccentric pin (30) is fixed at one side of the sector (31) close to the sliding block (27), the eccentric pin (30) is perpendicular to the sector (31), a bearing (28) is arranged on the eccentric pin (30), a first through groove (29) is arranged at the side of the sliding block (27) corresponding to the bearing (28), the first through groove (29) is perpendicular to the guide rod (26), and the bearing (28) is arranged in the first through groove (29); the first microswitch (24) and the fan-shaped piece (31) are in the same vertical plane, the distance from the elastic piece of the first microswitch (24) to the rotating shaft (17) is equal to the radius of the fan-shaped piece (31), the second microswitch (25) and the sliding block (27) are in the same vertical plane, the distance from the elastic piece of the second microswitch (25) to the rotating shaft (17) is equal to the distance from the side wall of the sliding block (27) to the rotating shaft (17), when the rotating shaft (17) drives the sliding block (27) to slide towards one side far away from the second microswitch (25) through the fan-shaped piece (31), the sliding block (27) leaves the elastic piece of the second microswitch (25), the fan-shaped piece (31) is abutted against the elastic piece of the first microswitch (24), when the rotating shaft (17) drives the sliding block (27) to slide towards one side close to the second microswitch (25) through the fan-shaped piece (31), the fan-shaped piece (31) leaves the elastic piece of the first microswitch (24), the sliding block (27) is abutted against the elastic sheet of the second microswitch (25).

4. The electric operating mechanism of the circuit breaker with clutch function according to claim 2, characterized in that the mouth of the recess has a baffle (2), the back of the baffle (2) corresponding to the extending end of the rotating shaft (17) has a sliding slot (32), and a yielding opening (3) is arranged between the bottom of the sliding slot (32) corresponding to the rotating shaft (17) and the front of the baffle (2); a sliding plate (4) is arranged in the sliding groove (32), and the width of the sliding plate (4) is larger than the caliber of the relief opening (3); one end of each of two groove walls of the sliding groove (32) corresponding to the rotating shaft (17) is provided with a first limiting protrusion (14), the other end of each of the two groove walls of the sliding groove (32) is provided with a second limiting protrusion (15), two sides of the sliding plate (4) corresponding to the two groove walls of the sliding groove (32) are provided with limiting strips (13), and the limiting strips (13) are provided with limiting pits matched with the limiting protrusions; a first opening (12) is formed in the inner wall of the position-giving opening (3) corresponding to one end of the sliding groove (32) close to the rotating shaft (17), a second opening (5) is formed in the inner wall of the position-giving opening (3) corresponding to one end of the sliding groove (32) far away from the rotating shaft (17), a first lead seal seat (10) is arranged on the sliding plate (4), a second lead seal seat (11) is arranged on the first opening (12), the first lead seal seat (10) penetrates through the position-giving opening (3) and extends out of the baffle (2), and lead seal holes are formed in the relative positions of the first lead seal seat (10) and the second lead seal seat (11); when slide (4) are located spout (32) one end that pivot (17) correspond, first spacing arch (14) and spacing pit looks adaptation, slide (4) block let position mouth (3), first lead sealing seat (10) are located first opening (12), and first lead sealing seat (10) offset with second lead sealing seat (11), when slide (4) are located spout (32) other end, spacing arch (15) of second and spacing pit looks adaptation, slide (4) leave and let position mouth (3), first lead sealing seat (10) are located second opening (5).

5. The electric operating mechanism of the circuit breaker with the clutch function according to claim 2, characterized in that a display screen (8) is arranged on the front surface of the baffle (2), the display screen (8) is electrically connected with the controller, and the display screen (8) is connected with an operating button (7); an external interface (9) is arranged on the side wall of the box body (1), and the external interface (9) is electrically connected with the controller.

6. The electric operating mechanism of circuit breaker with clutch function according to claim 2, characterized in that the supporting plate (18) is provided with an operating rod (6), the operating rod (6) is movably matched with the supporting plate (18) along the axial direction of the operating rod (6), and the front surface of the box body (1) and the baffle plate (2) corresponding to one end of the operating rod (6) are provided with through holes, so that one end of the operating rod (6) passes through the front surface of the box body (1) and the abdicating hole of the baffle plate (2) to extend out.

7. The electric operating mechanism of circuit breaker with clutch function as claimed in any one of claims 1 to 6, wherein the transmission mechanism comprises a driving gear (22) and a reduction gear set (23), the driving gear (22) is fixed on the output shaft of the motor (21), and the reduction gear set (23) is located between the driving gear (22) and the driven gear (19).