CN210575794U

CN210575794U - Reclosing circuit breaker

Info

Publication number: CN210575794U
Application number: CN201921951380.1U
Authority: CN
Inventors: 刘永华; 彭全昌
Original assignee: Jaecele Electric Co ltd
Current assignee: Jaecele Electric Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-05-19
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a reclosing circuit breaker, which comprises a circuit breaker body with a handle and a reclosing mechanism arranged at the side part of the circuit breaker body, an operating mechanism is arranged in the circuit breaker body, the operating mechanism comprises a lock catch, the reclosing mechanism comprises a gear set driven by a motor to rotate, the motor is controlled by the control circuit board to start and stop, the side surface of the output gear in the gear set is provided with a driving structure which drives the tripping rod to rotate to enable the operating mechanism to trip and trip, the driving structure is an eccentric bulge formed on the side surface of the output gear, the trip lever is provided with a crank arm, the eccentric bulge on the output gear is abutted against the crank arm in the rotating process of the output gear to drive the trip lever to rotate, and applying acting force to the convex shaft on the lock catch through the trip rod to enable the operating mechanism to trip, wherein the convex shaft and the lock catch are integrally formed. The utility model discloses a rational in infrastructure, the dropout is quick, is favorable to improving the breaking capacity of circuit breaker.

Description

Reclosing circuit breaker

Technical Field

The utility model relates to a reclosing lock circuit breaker belongs to circuit breaker structural design field.

Background

According to the intelligent requirement of the power supply network in China, a small circuit breaker, which is a terminal execution mechanism of the power network, has the functions of tripping and closing when executing an upper end signal; especially, the intelligent ammeter is combined, and the remote control functions of automatic tripping for defaulting and full automatic closing and power transmission are realized. In the existing reclosing circuit breaker, the circuit breaker is tripped by a way that a reclosing mechanism (composed of a motor and a gear set) drives a handle of the circuit breaker, and the tripping way is long in tripping time and not beneficial to improving the breaking capacity of the circuit breaker.

SUMMERY OF THE UTILITY MODEL

To this end, the utility model aims at providing a reclosing circuit breaker rational in infrastructure, the dropout is fast, is favorable to improving the circuit breaker breaking capacity.

Realize the utility model discloses the technical scheme of purpose is:

a reclosing circuit breaker comprises a circuit breaker body with a handle and a reclosing mechanism arranged on the side part of the circuit breaker body, an operating mechanism is arranged in the circuit breaker body, the operating mechanism comprises a lock catch, the reclosing mechanism comprises a gear set driven by a motor to rotate, the motor is controlled by the control circuit board to start and stop, the side surface of the output gear in the gear set is provided with a driving structure which drives the tripping rod to rotate to enable the operating mechanism to trip and trip, the driving structure is an eccentric bulge formed on the side surface of the output gear, the trip lever is provided with a crank arm, the eccentric bulge on the output gear is abutted against the crank arm in the rotating process of the output gear to drive the trip lever to rotate, and applying acting force to the convex shaft on the lock catch through the trip rod to enable the operating mechanism to trip, wherein the convex shaft and the lock catch are integrally formed.

Among the above-mentioned technical scheme, the trip bar is V type structure to pass through the installation axle in the corner with circuit breaker casing rotatable coupling.

In the technical scheme, a trigger bulge protruding towards the control circuit board is arranged on the other side face of the output gear, the outer end face of the trigger bulge is a reflecting face, two photoelectric switches are arranged on the control circuit board at intervals on a rotating path of the trigger bulge, the trigger bulge triggers the corresponding photoelectric switch when rotating to a position right opposite to the photoelectric switch, the triggered photoelectric switch sends a signal to the control circuit board and controls the motor to stop rotating, and the photoelectric switch is a reflection-type photoelectric switch.

The utility model discloses has positive effect: adopt the utility model provides a structure, when needs are threaded off, rotate through control circuit board control motor and drive gear train and rotate, eccentric arch on the output gear promotes the trip bar and rotates to promote the hasp when rotating by the trip bar and rotate the quick dropout that realizes operating device, wherein participate in driven part few, reduced the transmission link, the dropout is fast, thereby has improved the breaking capacity of circuit breaker.

Drawings

Fig. 1 is a schematic structural diagram of a reclosing lock circuit breaker of the present invention;

FIG. 2 is a schematic structural view of FIG. 1 with the control circuit board removed;

FIG. 3 is a schematic structural view of the output gear, the trip bar and the handle of the present invention;

FIG. 4 is a schematic structural diagram of the middle operating mechanism of the present invention

Fig. 5 is a schematic structural view of the output gear of the present invention;

FIG. 6 is a schematic view of the output gear of FIG. 6 from another perspective;

fig. 7 is a schematic structural diagram of the middle control circuit board of the present invention.

The reference symbols shown in the figures are: 01-a handle; 1-a circuit breaker body; 11-a circuit breaker housing; 2-reclosing mechanism; 21-a motor; 22-gear set; 221-output gear; 222-eccentric lobe; 223-trigger protrusion; 3-an operating mechanism; 31-locking; 32-convex shaft; 4-a control circuit board; 5-a trip bar; 51-crank arm; 6-photoelectric switch.

Detailed Description

The specific structure of the present invention is described below with reference to the attached drawings:

a reclosing circuit breaker is shown in the figure, and comprises a breaker body 1 with a handle 01 and a reclosing mechanism 2 arranged on the side of the breaker body 1, wherein an operating mechanism 3 is arranged in the breaker body 1, the handle 01 is linked with the operating mechanism 3, the operating mechanism 3 comprises a lock catch 31, the reclosing mechanism 2 comprises a gear set 22 driven to rotate by a motor 21, the motor 21 is controlled to be started and stopped by a control circuit board 4, a driving structure for driving a tripping rod 5 to rotate to enable the operating mechanism 3 to trip and trip is arranged on the side surface of an output gear 221 in the gear set 22, the driving structure is an eccentric bulge 222 formed on the side surface of the output gear 221, a crank arm 51 is arranged on the tripping rod 5, the eccentric bulge 222 on the output gear 221 in the rotating process is abutted against the crank arm 51 to drive the tripping rod 5 to rotate, acting force is applied to a convex shaft 32 on the lock catch 31 through the trip rod 5, so that the operating mechanism 3 is tripped, and the convex shaft 32 and the lock catch 31 are integrally formed; by adopting the structure in the embodiment, when tripping is needed, the control circuit board 4 controls the motor to rotate to drive the gear set to rotate, the eccentric bulge on the output gear pushes the tripping rod to rotate, so that the tripping rod pushes the lock catch to rotate when rotating to realize quick tripping of the operating mechanism, wherein, the number of parts participating in transmission is small, the transmission links are reduced, the tripping speed is high, and the breaking capacity of the circuit breaker is improved.

In this embodiment, the trip bar 5 is a V-shaped structure and is rotatably connected to the circuit breaker housing 11 by a mounting shaft at a corner thereof.

Further, a trigger protrusion 223 protruding toward the control circuit board 4 is disposed on the other side surface of the output gear 221, an outer end surface of the trigger protrusion 223 is a reflection surface, two photoelectric switches 6 are disposed on the control circuit board 4 at intervals on a rotation path of the trigger protrusion 223, when the trigger protrusion 223 rotates to a position opposite to the photoelectric switch 6, the corresponding photoelectric switch 6 is triggered, the triggered photoelectric switch 6 sends a signal to the control circuit board 4 and controls the motor 21 to stop rotating, the photoelectric switch 6 is a reflection-type photoelectric switch (a transmitting part and a receiving part are disposed in the photoelectric switch of this type), that is, when the trigger protrusion 223 rotates to a position opposite to the photoelectric switch 6, the transmitting part of the photoelectric switch 6 transmits the signal and transmits the signal to the receiving part of the photoelectric switch through the reflection surface on the trigger protrusion 223, the control circuit board obtains signals to control the motor to stop rotating.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims

1. The utility model provides a reclosing circuit breaker, is including circuit breaker body (1) that has handle (01) and coincidence floodgate mechanism (2) of setting at circuit breaker body (1) lateral part, be equipped with operating device (3) in circuit breaker body (1), operating device (3) contain hasp (31), coincidence floodgate mechanism (2) are including receiving rotatory gear train (22) of motor (21) drive, motor (21) are opened by control circuit board (4) control and are stopped, the side of output gear (221) is equipped with drive trip lever (5) and rotates the drive structure who makes operating device (3) dropout trip in gear train (22), its characterized in that, drive structure is the shaping and is in eccentric arch (222) of output gear (221) side, connecting lever (51) have on trip lever (5), output gear (221) rotate the in-process on it eccentric arch (222) with after connecting lever (51) conflict trip lever(s), (the trip lever(s), (51) 5) And rotating, applying acting force to a convex shaft (32) on the lock catch (31) through the trip rod (5) to enable the operating mechanism (3) to trip, wherein the convex shaft (32) and the lock catch (31) are integrally formed.

2. Reclosing circuit breaker according to claim 1, characterized in that the trip lever (5) is of V-shaped configuration and is rotatably connected to the circuit breaker housing (11) at the corners by means of mounting shafts.

3. The reclosure breaker according to claim 1 or 2, wherein a trigger protrusion (223) protruding toward the control circuit board (4) is disposed on the other side surface of the output gear (221), the outer end surface of the trigger protrusion (223) is a reflection surface, two photoelectric switches (6) are disposed on the control circuit board (4) at intervals on the rotation path of the trigger protrusion (223), when the trigger protrusion (223) rotates to a position opposite to the photoelectric switch (6), the corresponding photoelectric switch (6) is triggered, the triggered photoelectric switch (6) sends a signal to the control circuit board (4) and controls the motor (21) to stop rotating, and the photoelectric switch (6) is a reflection-type photoelectric switch.