CN212783347U - Prevent mistake and trigger divide-shut brake control mechanism and circuit breaker - Google Patents

Abstract

The utility model discloses a prevent mistake and trigger divide-shut brake control mechanism, including driving motor, have the controller handle components of closing position and separating brake position, and be used for driven gear drive between driving motor and the controller handle components, still including being used for controlling the light touch switch that driving motor opened and close, controller handle components includes controller handle and can follow controller handle pivoted elastic component at least, when closing the position, the elastic component is rotatory to be stirred light touch switch, and driving motor opens. The utility model also discloses a circuit breaker. The utility model discloses controller handle assembly is in the separating brake position, and the dabbing switch of driving motor power supply is in disconnection, trip shaft and lets the circuit breaker hasp be in the separating brake position always, and the circuit breaker can't carry out long-range combined floodgate and local combined floodgate, can effectively prevent the spurious triggering, and the security performance is high.

Description

Prevent mistake and trigger divide-shut brake control mechanism and circuit breaker

Technical Field

The utility model belongs to the technical field of electrical switch, especially, relate to a prevent mistake and trigger divide-shut brake control mechanism and circuit breaker.

Background

In order to realize the remote reclosing control of the circuit breaker, a motor generally drives a gear to enable a handle to rotate to realize opening and closing, an inductive switch is arranged at the tail end of a gear transmission mechanism, and the opening position and the closing position are controlled through the matching of a sensor and the inductive switch on a circuit board. However, due to the structural limitation of the gear transmission mechanism, the cooperation of the inductive switch, the sensor and the gear transmission mechanism is not stable enough, and the inductive switch is influenced by an external magnetic field, so that false triggering is easy to occur, and the safety performance is low. In addition, only the electronic control is not reliable enough, and misoperation is easily caused on a mechanical structure, so that the safety performance is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides an only controller handle assembly is in closing state driving motor just can start, effectively avoids the spurious triggering, and the protection that the security performance is high triggers divide-shut brake control mechanism and circuit breaker by mistake.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an prevent mistake and trigger divide-shut brake control mechanism, includes driving motor, has the controller handle components of closing position and separating brake position, and is used for driven gear drive between driving motor and the controller handle components, still including being used for controlling the light touch switch that driving motor opened and close, controller handle components includes controller handle and can follow controller handle pivoted elastic component at least, and when closing the position, the elastic component is rotatory to be stirred and is dabbed the switch, and driving motor opens.

The utility model can remotely switch on and switch off locally by the circuit breaker when the handle component of the controller is at the switch-on position through the linkage of the driving motor and the tact switch; when the controller handle assembly is at the switch-off position, the circuit breaker cannot perform remote switch-on and local switch-on.

Further, the controller handle assembly further comprises a rotating shaft connected with the controller handle and a rotating disc coaxially connected with the rotating shaft, the elastic piece is a torsion spring sleeved on the rotating shaft, and the controller handle is provided with a first protruding block which can be abutted against one end of the torsion spring.

Further, gear drive is including rotating the terminal gear who connects in the pivot, controller handle is close to terminal gear one side and sets up spacing boss, terminal gear forms the first stroke groove that supplies spacing boss circumference activity, and this first stroke inslot is equipped with the stop part, and when separating the floodgate position, spacing boss can offset with the stop part for prevent gear drive's transmission. When the tact switch is in a damaged state, the stop part on the reverse side of the terminal gear and the limit boss of the controller handle enable the driving motor to be incapable of rotating the terminal gear, the terminal gear is prevented from continuously rotating from the mechanical structure, and further the transmission of the gear transmission mechanism is prevented, and the breaker is switched on.

Furthermore, a first protrusion and a second protrusion are formed on the turntable at intervals, the terminal gear forms a second stroke groove, and a first positioning protrusion which can abut against the first protrusion and a second positioning protrusion which can abut against the second protrusion are arranged in the second stroke groove. First arch and the cooperation of second arch and terminal gear on the carousel have played the dual effect of blockking on the machinery, and it is more firm effective to gear drive's transmission prevention.

The utility model also discloses a circuit breaker, including collector module, controller module, and circuit breaker module, controller module and circuit breaker module set up side by side, one side of circuit breaker module and controller module is located to the collector module, controller module includes divide-shut brake control mechanism, and this divide-shut brake control mechanism includes driving motor, has the controller handle assembly of closing position and separating brake position, and is used for driven gear drive between driving motor and the controller handle assembly, still including being used for controlling the light touch switch that driving motor opened and close, controller handle assembly includes controller handle and can follow controller handle pivoted elastic component at least, when closing brake position, the elastic component is rotatory to be stirred and is lightly touched the switch, and driving motor opens.

The utility model discloses a driving motor and the linkage of dabbing the switch for when controller handle assembly is in the separating brake position, the elastic component loosens and dabs the switch and make it be in the off-state, and the driving motor power supply line does not switch on, and the circuit breaker can't carry out long-range combined floodgate and local combined floodgate, can not lead to the spurious triggering, and the security performance is high.

Further, still include the trip assembly, it includes the trip bar that can offset with controller handle components, the release lever of being connected with the trip bar cooperation, with circuit breaker module hasp complex trip shaft, and the solenoid valve that links to each other with the trip bar, the trip bar rotates with controller module casing and links to each other. When the controller handle assembly is at the brake pulling position, the tact switch is switched off, the controller handle drives the trip rod assembly to enable one end of the trip rod assembly to be lifted upwards, the reset rod is lifted upwards at the same time, and the trip shaft drives the lock catch of the breaker module to enable the breaker to be switched off.

Further, the controller handle assembly further comprises a rotating shaft connected with the controller handle and a rotating disc coaxially connected with the rotating shaft, the elastic piece is a torsion spring sleeved on the rotating shaft, and the controller handle is provided with a first protruding block which can be abutted against one end of the torsion spring. The first bump ensures effective contact between the torsion spring and the controller handle, gives a firm acting point to the torsion spring and ensures the effective action of the torsion spring.

Furthermore, the controller handle is provided with a second bump which can be abutted against the end part of the tripping rod. The arrangement of the second bump ensures the effectiveness of the matching of the tripping component and the controller handle component.

Furthermore, the trip bar comprises a first section body, a second section body and a hook-shaped section body, wherein the second section body is arranged at an included angle with the first section body, the hook-shaped section body is formed at the end part of the second section body, the first section body forms a groove used for containing a part of the reset bar, a through hole for the part of the reset bar to vertically extend into is formed in the groove, and the hook-shaped section body is abutted to the controller handle assembly. The design of the trip rod ensures the stability of linkage of the trip rod and the controller handle.

Furthermore, the hook-shaped section body is arranged opposite to the tact switch.

The utility model has the advantages that: 1) the controller handle assembly is positioned at a brake separating position, the light touch switch for driving the motor to supply power is positioned at a disconnecting and tripping shaft, so that the breaker lock catch is always positioned at the brake separating position, the breaker cannot perform remote switch-on and local switch-on, and false triggering is prevented; 2) when the tact switch is in a damaged state, the blocking part on the reverse side of the terminal gear and the limiting boss of the controller handle enable the motor to be incapable of rotating the gear to enable the circuit breaker to be switched on, the reset rod needs to be pressed down firstly when the controller handle is switched on, remote electronic control and mechanical structure control are combined, when the controller handle assembly is in a switching-off position, the gear transmission mechanism cannot be triggered and driven by mistake, and the safety performance is high; 3) the front of terminal gear forms the limit structure with carousel complex, and its back forms the limit structure with controller handle complex, and the structure that machinery locking is in the separating brake position is firm effective.

Drawings

Fig. 1 is a perspective view of the circuit breaker of the present invention.

Fig. 2 is the matching structure diagram of the circuit breaker module and the controller module of the present invention.

Fig. 3 is the utility model discloses send out divide-shut brake control mechanism and circuit breaker dropout subassembly complex stereogram one.

Fig. 4 is the utility model discloses send out divide-shut brake control mechanism and circuit breaker dropout subassembly complex stereogram two.

Fig. 5 is the utility model discloses send out divide-shut brake control mechanism and circuit breaker dropout subassembly complex front view one.

Fig. 6 is the utility model discloses send out divide-shut brake control mechanism and circuit breaker dropout subassembly complex front view two.

Fig. 7 is an enlarged view of the structure at B in fig. 6.

Fig. 8 is a side view of the structure at B in fig. 6.

Fig. 9 is a sectional view a-a in fig. 8.

Fig. 10 is a perspective view of the engagement structure of the handle assembly portion and the terminal gear of the controller of the present invention.

Fig. 11 is a first exploded view of the controller handle assembly part and the terminal gear of the present invention.

Fig. 12 is an exploded view of the handle assembly of the controller and the terminal gear of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in fig. 1-2, a circuit breaker includes a collector module 5, a controller module 6, and a circuit breaker module 7 disposed side by side with the controller module 6, wherein the collector module 5 is disposed on one side of the circuit breaker module 7 and the controller module 6, and the controller module 7 includes a switching-on/off control mechanism.

As shown in fig. 3-12, the mis-triggering prevention switching-on/off control mechanism comprises a driving motor 1 with a worm 2, a gear transmission mechanism 3 in transmission fit with the worm 2, a controller handle assembly 4, and a tact switch 9 for controlling the driving motor 1 to be switched on and off, wherein the controller handle assembly 4 is used for controlling switching-on and switching-off positions.

The gear transmission mechanism 3 includes a first gear set 31 engaged with the worm 2, a second gear set 32 engaged with the first gear set 31, a third gear set 33 engaged with the second gear set 32, and a terminal gear 34 coaxially connected with the controller handle assembly 4.

The first gear set 31 comprises a first gear 311 meshed with the worm 2 and a second gear 312 which is coaxially connected with the first gear 311 and has an outer diameter smaller than that of the first gear 311, the second gear set 32 comprises a third gear 321 meshed with the second gear 312 and a fourth gear 322 which is coaxially arranged with the third gear 321 and has an outer diameter smaller than that of the third gear 321, the third gear set 33 comprises a fifth gear 331 meshed with the fourth gear 322 and a sixth gear 332 which is coaxially arranged with the fifth gear 331 and has an outer diameter smaller than that of the fifth gear 331, the sixth gear 332 is meshed with the terminal gear 34, and the terminal gear 34 is coaxially connected with the controller handle assembly 4.

The controller handle assembly 4 includes a controller handle 43, a rotation shaft 44 connected to the controller handle 43, a rotation plate 45 coaxially connected to the rotation shaft 44, and an elastic member 47 fitted around the rotation shaft 44 and capable of rotating synchronously with the controller handle 43, the rotation plate 45 being connected to a front end of the rotation shaft 44 with a first protrusion 451 and a second protrusion 452 formed to protrude radially from an outer circumference of the rotation plate 45. The terminal gear 34 is connected to the rotating shaft 44 and located between the controller handle 43 and the rotating disk 45, the back of the terminal gear 34 facing one side of the controller handle 43 is recessed to form a first annular stroke groove 341, a radially extending blocking portion 35 is formed in the first stroke groove 341, and the blocking portion 35 blocks the first stroke groove 341 into a C-shaped groove. The front surface of the controller handle 43 facing the final gear 34 is provided with a limit boss 46, and the limit boss 46 protrudes from the front surface of the controller handle 43 and falls into the first stroke groove 341 to perform circumferential movement.

Therefore, when the controller handle 43 is in the opening position, the blocking part 35 on the terminal gear 34 is abutted against the limit boss 46 to generate interference, so that the terminal gear 34 cannot rotate continuously, the transmission of the gear transmission mechanism 3 is prevented, and the controller handle is ensured to be in the opening position in a mechanical structure.

The front surface of the terminal gear 34 facing one side of the turntable 45 is recessed to form a second stroke groove 342 in an annular shape, a first positioning convex part 343 and a second positioning convex part 344 extending in the radial direction are formed in the second stroke groove 342, the first positioning convex part 343 and the second positioning convex part 344 are symmetrically arranged to block the second stroke groove 342 into two C-shaped grooves with the same stroke; the portion of the first projection 451 falling into the second stroke groove 342 performs a circumferential motion, and the other portion of the second projection 452 falling into the second stroke groove 342 performs a circumferential motion.

Because the rotating disc 45 rotates synchronously with the rotating shaft 44, when the controller handle 43 is at the opening position, the rotating shaft 44 cannot rotate, the rotating disc 45 also stops rotating, the first protrusion 451 abuts against the first positioning convex part 343 to generate interference, the second protrusion 452 abuts against the second positioning convex part 344 to generate interference, or the first protrusion 451 abuts against the second positioning convex part 344 to generate interference, and the second protrusion 452 abuts against the first positioning convex part 343 to generate interference, so that the terminal gear 34 cannot rotate continuously, that is, the blocking part 35 and the limiting convex part 46 are matched, transmission of the gear transmission mechanism 3 is prevented, and the controller handle 43 is also ensured to be at the opening position in a mechanical structure.

The outer ring of the terminal gear 34 includes a tooth section 345 having a plurality of teeth and a smooth section 346, the front surfaces of the two end portions of the smooth section 346 are connected with a second sensing member 41 and a third sensing member 42, the second sensing member 41 can be matched with a second sensor on the circuit board, the third sensing member 42 can be matched with a third sensor on the circuit board, the distance between the second sensing member 41 and the third sensing member 42 is the switching stroke between the switching on position and the switching off position, and the distance is not a linear distance but an arc distance of the rotation stroke.

The second sensing member 41 and the third sensing member 42 are permanent magnets, and the second sensor and the third sensor are hall elements; alternatively, the second sensing member 41 and the third sensing member 42 are light emitting diodes, and the second sensor and the third sensor are gratings.

In the embodiment, the elastic member 47 is a torsion spring, one end of the torsion spring abuts against the first protrusion 48, and the first protrusion 48 protrudes from the back of the controller handle 43. Therefore, when the controller handle 43 rotates to the switching-on position, the elastic piece 47 rotates along with the controller handle 43 until one end of the elastic piece abuts against the light touch switch 9, namely the elastic piece 47 toggles the light touch switch 9 to drive the motor 1 to be switched on, and at the moment, the circuit breaker module 7 can realize remote control switching-off or switching-on; when the controller handle 43 rotates reversely to the opening position, the elastic member 47 is separated from the tact switch 9 along with the rotation of the controller handle 43, the driving motor 1 is turned off, and the circuit breaker module 7 cannot realize remote control opening or closing at the moment.

The circuit breaker further comprises a trip assembly 10 comprising a trip bar 101, a reset bar 102, a trip shaft 103 cooperating with the latch 71 of the circuit breaker module 6, and a solenoid valve 104 connected to the trip bar 101; the trip bar 101 is rotatably connected to the housing 61 of the controller module 6, as shown in fig. 5, the trip bar 101 includes a first section 105, a second section 106 disposed at an angle with respect to the first section 105, and a hook section 107 connected to a side of the second section 106 away from the first section 105, the hook section 107 and the second section 106 surround a central rotation axis of the fifth gear 331, and the tact switch 9 and the hook section 107 are disposed opposite to each other, in other words, the tact switch 9 is disposed at a notch of a region surrounded by the hook section 107 and the second section 106 and corresponds to the position of the fifth gear 331.

In order to realize the linkage of the trip assembly 10 and the controller handle assembly 4, a second projection 433 is formed on the back surface of the controller handle 43 in a protruding manner, and the end of the hook-shaped segment 107 abuts against the second projection 433.

Trip bar 101 and release bar 102 cooperate to be connected, and is concrete, forms recess 108 at the one end upside that first section body 105 links to each other with solenoid valve 104, and is corresponding, forms the sunk part with recess 108 adaptation at the lower extreme of release bar 102, and this sunk part forms a projection perpendicularly, then has seted up through-hole 109 in the recess 108, and the through-hole 109 can be stretched into perpendicularly to the projection, realizes the connection of release bar 102 and trip bar 101. In order to allow the trip lever 101 to be smoothly lifted upward by the magnetic force of the solenoid valve 104, a tension spring 100 is connected to the trip lever 101, and one end of the tension spring 100 is connected to the housing 61 of the controller module 6.

The utility model discloses a separating brake working process is, during initial position, and elastic component 47 pushes down and dabs switch 9, and controller handle component 4 is in the position of closing the floodgate, and driving motor 1 opens, and whether second response 41 and third response 42 cooperation judgement closed a floodgate and target in place, and driving motor 1 stall, controller handle component 4 just are in the separating brake position this moment, and elastic component 47 breaks away from and dabs switch 9.

Meanwhile, the blocking part 35 on the terminal gear 34 interferes with the limit boss 46 on the controller handle 43, so that the terminal gear 34 cannot rotate continuously; the first positioning convex part 343 and the second positioning convex part 344 on the terminal gear 34 respectively abut against the first protrusion 451 and the second protrusion 452 on the turntable 45 to generate interference, so that the transmission of the gear transmission mechanism 3 is prevented, the controller handle assembly 4 is ensured to be in the opening position from the mechanical structure, and the remote misoperation is effectively prevented.

The above detailed description is provided for illustrative purposes, and is not intended to limit the present invention, and any modifications and variations of the present invention are within the spirit and scope of the following claims.

Claims (10)

1. The utility model provides a prevent mistake and trigger divide-shut brake control mechanism, includes driving motor (1), has controller handle components (4) of closing position and separating brake position to and be used for driven gear drive (3) between driving motor (1) and controller handle components (4), its characterized in that: the controller handle assembly (4) at least comprises a controller handle (43) and an elastic piece (47) which can rotate along with the controller handle (43), when the switch is on, the elastic piece (47) rotates to toggle the light touch switch (9), and the driving motor (1) is started.

2. The mis-triggering prevention opening and closing control mechanism according to claim 1, wherein: the controller handle assembly (4) further comprises a rotating shaft (44) connected with the controller handle (43) and a rotating disc (45) coaxially connected with the rotating shaft (44), the elastic piece (47) is a torsion spring sleeved on the rotating shaft (44), and the controller handle (43) is provided with a first bump (48) which can be abutted to one end of the torsion spring.

3. The mis-triggering prevention opening and closing control mechanism according to claim 2, wherein: gear drive (3) are including rotating terminal gear (34) of connecting in pivot (44), controller handle (43) are close to terminal gear (34) one side and set up spacing boss (46), terminal gear (34) form supply first stroke groove (341) of spacing boss (46) circumference activity, are equipped with stop part (35) in this first stroke groove (341), and when separating brake position, spacing boss (46) can offset with stop part (35) for prevent gear drive's (3) transmission.

4. The mis-triggering prevention opening and closing control mechanism according to claim 3, wherein: first bulges (451) and second bulges (452) are formed on the rotary disc (45) at intervals, a second stroke groove (342) is formed on the terminal gear (34), and a first positioning convex part (343) capable of abutting against the first bulges (451) and a second positioning convex part (344) capable of abutting against the second bulges (452) are arranged in the second stroke groove (342).

5. A circuit breaker, characterized by: comprises a collector module (5), a controller module (6) and a breaker module (7), wherein the controller module (6) and the breaker module (7) are arranged side by side, the collector module (5) is arranged at one side of the breaker module (7) and the controller module (6), the controller module (6) comprises a switching-on and switching-off control mechanism, the switching-on and switching-off control mechanism comprises a driving motor (1), a controller handle component (4) with a switching-on position and a switching-off position, a gear transmission mechanism (3) used for driving the motor (1) and the controller handle component (4) to transmit, and a touch switch (9) used for controlling the driving motor (1) to open and close, the controller handle component (4) at least comprises a controller handle (43) and an elastic piece (47) which can rotate along with the controller handle (43), when the switching-on position, the elastic piece (47) rotates to toggle the light touch switch (9), and the driving motor (1) is started.

6. The circuit breaker of claim 5, wherein: still include trip assembly (10), it includes trip bar (101) that can offset with controller handle components (4), and release link (102) of being connected with trip bar (101) cooperation, trip shaft (103) with circuit breaker module hasp (71) complex, and solenoid valve (104) that link to each other with trip bar (101), trip bar (101) rotate with controller module casing (61) and link to each other.

7. The circuit breaker of claim 6, wherein: the controller handle assembly (4) further comprises a rotating shaft (44) connected with the controller handle (43) and a rotating disc (45) coaxially connected with the rotating shaft (44), the elastic piece (47) is a torsion spring sleeved on the rotating shaft (44), and the controller handle (43) is provided with a first bump (48) which can be abutted to one end of the torsion spring.

8. The circuit breaker of claim 7, wherein: the controller handle (43) is provided with a second convex block (433) which can be abutted against the end part of the trip rod (101).

9. The circuit breaker of claim 6, wherein: the trip bar (101) comprises a first section body (105), a second section body (106) and a hook-shaped section body (107), wherein the second section body (106) is arranged at an included angle with the first section body (105), the hook-shaped section body (107) is formed at the end part of the second section body (106), the first section body (105) forms a groove (108) used for accommodating the part of the reset bar (102), a through hole (109) for the part of the reset bar (102) to vertically extend into is formed in the groove (108), and the hook-shaped section body (107) is abutted to the controller handle assembly (4).

10. The circuit breaker of claim 9, wherein: the hook-shaped section body (107) is arranged opposite to the light touch switch (9).

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