CN212542314U

CN212542314U - Novel automatic reclosing circuit breaker of prepayment meter

Info

Publication number: CN212542314U
Application number: CN202020849071.XU
Authority: CN
Inventors: 朱建新
Original assignee: SHANGHAI JINXIN ELECTRONIC Ltd
Current assignee: SHANGHAI JINXIN ELECTRONIC Ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-02-12
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a novel automatic reclosing lock circuit breaker of a prepayment meter, which comprises a shell, wherein one end in the shell is provided with an electric operating mechanism, and the electric operating mechanism comprises a motor, a worm, a gear, a turntable and a push rod; the other end in the shell is provided with a locking mechanism and a reclosing assembly; the locking mechanism comprises a locking piece, a tripping rod, a spring and a first inhaul cable; the reclosing assembly comprises a movable block, a closing switch, a swinging rod and a second inhaul cable. This novel prepayment meter reclose circuit breaker adopts the electric control mode, realizes the switching-on and switching-off of short circuiter, when the circuit broke down, through the action of electric operating mechanism control latch mechanism, and then the control reclose subassembly will break-off, and after the circuit is restoreed, through the action of electric operating mechanism control latch mechanism, and then the control reclose subassembly will close a floodgate to this realizes that circuit breaker reclose has advantages such as small, the security is high.

Description

Novel automatic reclosing circuit breaker of prepayment meter

Technical Field

The utility model relates to a circuit breaker technical field specifically is a novel automatic reclosing lock circuit breaker of prepayment meter.

Background

In order to adapt to the development of the power industry, the traditional manual opening and closing circuit breaker cannot meet the requirements, and particularly, the automatic opening and closing power transmission function is realized by combining a prepayment electric meter. The operation experience of the power system shows that most faults of the overhead line are instantaneous, so that after the short-circuit fault is removed by the action of the relay, the electric arc is automatically extinguished, and the insulation at the short-circuit part can be automatically recovered under most conditions. Therefore, the circuit breakers are automatically overlapped, so that the power supply safety and reliability are improved, the power failure loss is reduced, the transient level of a power system is improved, the power transmission capacity of a high-voltage line is increased, and the error tripping of the circuit breakers can be corrected.

However, the existing automatic reclosing device of the circuit breaker is large in size and heavy in structural load, is easy to be affected by the environment, is low in safety and reliability, and is inconvenient for people to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel prepayment table automatic reclosing circuit breaker, adopt the electric control mode, realize the switching-on and switching-off of short circuiter, when the circuit breaks down, through the action of electric operating mechanism control latch mechanism, and then control reclosing assembly will the switching-off, after the circuit is restoreed, through the action of electric operating mechanism control latch mechanism, and then control reclosing assembly will close a floodgate, realize here that circuit breaker automatic reclosing has advantages such as small, the security is high, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel automatic reclosing circuit breaker of a prepayment meter comprises a shell, wherein an electric operating mechanism is arranged at one end in the shell and comprises a motor, a worm, a gear, a turntable and a push rod; the other end in the shell is provided with a locking mechanism and a reclosing assembly; the locking mechanism comprises a locking piece, a tripping rod, a spring and a first inhaul cable; the reclosing assembly comprises a movable block, a closing switch, a swinging rod and a second inhaul cable.

Preferably, the motor is fixed in the shell through a screw, the worm is inserted in an output port of the motor, the gear is arranged on one side of the worm, a tooth surface of the gear is meshed with a tooth surface of the worm, the turntable is mounted at the bottom of the gear, and the push rod is mounted at one end of the turntable.

Preferably, a rod hole is formed in the middle of the rotary table, a shaft rod is inserted in the rod hole, one end of the shaft rod extends to the side wall of the shell and is movably connected with the shell through a bearing, and the other end of the shaft rod is inserted in the middle shaft hole of the gear.

Preferably, the hasp piece sets up in one side of catch bar, the trip bar is installed in one side of hasp piece through the pivot to the one end of trip bar extends to on the hasp piece, and the other end of trip bar extends to on the movable block, the spring mounting is in the board groove that sets up in the shell, the one end and the spring of first cable are articulated, and the other end of first cable stretches out outside the board groove.

Preferably, the hasp piece is still including colluding board, buckle and axis, collude the board and set up in the bottom of buckle to the crotch end that colludes the board is articulated with the other end of first cable, the axis sets up between colluding board and buckle, the face that colludes the board sets up diaphragm orifice A, the face of buckle sets up diaphragm orifice B, centraxonial one end inserts diaphragm orifice A and extends to outside the board to through the lateral wall swing joint of bearing and shell, centraxonial other end cartridge is in diaphragm orifice B.

Preferably, one end of the buckle plate is further provided with a limiting groove, the limiting groove is correspondingly matched with the tripping rod, and one end of the tripping rod is inserted into the limiting groove.

Preferably, the movable block is installed in the shell through a rotating shaft, the closing switch is installed on one side of the movable block through a rotating shaft, the oscillating rod is arranged at the bottom of the tripping rod, one end of the oscillating rod is connected with the movable block, the other end of the oscillating rod is connected with the closing switch, one end of the second inhaul cable is hinged to the spring, and the other end of the second inhaul cable extends out of the plate groove and is hinged to the movable block.

Preferably, one end of the movable block is further provided with a limiting block, and one end of the limiting block is abutted against the other end of the tripping rod.

Preferably, one end of the push rod corresponds to one end of the pinch plate, and one end of the push rod is abutted against one end of the pinch plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. when the circuit is in failure, the motor is started to drive the worm to rotate, so that the gear and the rotary disc are driven to rotate, the push rod is driven to act, and one end of the push rod is pressed against the pinch plate; at the moment, the buckling plate deflects under the action of force, and the hook plate deflects together with the buckling plate under the action of the middle shaft, so that the first inhaul cable is pulled to enable the spring to deform and be in an energy storage state; while the buckle plate deflects, the tripping rod inserted into the limit groove of the buckle plate is separated from the notch under the pushing of the deflection of the buckle plate; when the spring is in an energy storage state, one end of the spring can pull the second inhaul cable and drive the movable block to swing, so that the swing rod is driven to move and the closing switch is toggled to rotate, and the opening and closing of the circuit breaker are achieved.

2. After the circuit is repaired, the motor is started again to drive the worm to rotate, so that the push rod is driven to act, and one end of the push rod is separated from the pinch plate; at the moment, the buckling plate and the movable block reset under the action of the energy storage force released by the spring, one end of the tripping rod is reinserted into the limiting groove under the action of buckling plate deflection pushing, the swinging rod acts and stirs the closing switch to rotate, closing locking of the circuit breaker is realized, safety accidents caused by manual misoperation are avoided, and the automatic combination switching-off device has the advantages of small size, high safety and automatic combination switching-off function.

Drawings

Fig. 1 is a state diagram of the overall structure of the present invention;

FIG. 2 is a second diagram of the overall structure of the present invention;

FIG. 3 is a partial assembly view of the electric operating mechanism of the present invention;

fig. 4 is an assembly view of the structure of the fastener of the present invention.

In the figure: 1. a housing; 2. an electric operating mechanism; 21. a motor; 22. a worm; 23. a gear; 24. a turntable; 241. a rod hole; 242. a shaft lever; 25. a push rod; 3. a latch mechanism; 31. a fastener; 311. hooking the plate; 3111. plate hole A; 312. buckling the plate; 3121. plate hole B; 3122. a limiting groove; 313. a middle shaft; 32. a trip bar; 33. a spring; 34. a first cable; 4. a reclosing assembly; 41. a movable block; 411. a limiting block; 42. a closing switch; 43. a swing lever; 44. a second cable; 5. and (4) plate grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings 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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, a novel automatic reclosing circuit breaker for a prepaid meter comprises a housing 1, wherein an electric operating mechanism 2 is arranged at one end in the housing 1, and the electric operating mechanism 2 comprises a motor 21, a worm 22, a gear 23, a turntable 24 and a push rod 25; the other end in the shell 1 is provided with a locking mechanism 3 and a reclosing assembly 4; the locking mechanism 3 comprises a locking piece 31, a trip rod 32, a spring 33 and a first pull cable 34; the reclosing assembly 4 includes a movable block 41, a closing switch 42, a swing lever 43, and a second cable 44.

The motor 21 is fixed in the shell 1 through a screw, the worm 22 is inserted in an output port of the motor 21, the gear 23 is arranged on one side of the worm 22, the tooth surface of the gear 23 is meshed with the tooth surface of the worm 22, the rotary disc 24 is arranged at the bottom of the gear 23, and the push rod 25 is arranged at one end of the rotary disc 24; the middle part of the rotating disc 24 is also provided with a rod hole 241, a shaft rod 242 is inserted in the rod hole 241, one end of the shaft rod 242 extends to the side wall of the shell 1 and is movably connected with the shell through a bearing, and the other end of the shaft rod 242 is inserted in the middle shaft hole of the gear 23; since one end of the pushing rod 25 corresponds to one end of the buckle plate 312, when the motor 21 drives the worm 22 to rotate, the gear 23 and the rotary disc 24 are driven to rotate, and the pushing rod 25 is driven to move, and one end of the pushing rod abuts against one end of the buckle plate 312.

The locking piece 31 is arranged at one side of the pushing rod 25, the trip bar 32 is arranged at one side of the locking piece 31 through a rotating shaft, one end of the trip bar 32 extends to the locking piece 31, the other end of the trip bar 32 extends to the movable block 41, the spring 33 is arranged in the plate groove 5 arranged in the shell 1, one end of the first pull cable 34 is hinged with the spring 33, and the other end of the first pull cable 34 extends out of the plate groove 5; the lock catch piece 31 further comprises a hook plate 311, a buckle plate 312 and a middle shaft 313, the hook plate 311 is arranged at the bottom of the buckle plate 312, the hook end of the hook plate 311 is hinged with the other end of the first cable 34, the middle shaft 313 is arranged between the hook plate 311 and the buckle plate 312, a plate hole A3111 is arranged on the plate surface of the hook plate 311, a plate hole B3121 is arranged on the plate surface of the buckle plate 312, one end of the middle shaft 313 is inserted into the plate hole A3111 and extends out of the plate, and is movably connected with the side wall of the shell 1 through a bearing, and the other end of the middle shaft 313 is inserted into the plate; a limit groove 3122 is further arranged at one end of the buckle plate 312, the limit groove 3122 is correspondingly matched with the tripping rod 32, and one end of the tripping rod 32 can be inserted into the limit groove 3122; when the buckle plate 312 is deflected by force, the hook plate 311 deflects along with the buckle plate 312 under the action of the middle shaft 313, and further pulls the first pull cable 34 to enable the spring 33 to deform and be in an energy storage state; while the buckle plate 312 deflects, the trip rod 32 inserted into the limit groove 3122 thereof is pushed by the deflection of the buckle plate 312 to be disengaged from the notch.

The movable block 41 is installed in the housing 1 through a rotating shaft, the closing switch 42 is installed at one side of the movable block 41 through a rotating shaft, the swinging rod 43 is arranged at the bottom of the trip rod 32, one end of the swinging rod 43 is connected with the movable block 41, the other end of the swinging rod 43 is connected with the closing switch 42, one end of the second pulling cable 44 is hinged with the spring 33, and the other end of the second pulling cable 44 extends out of the plate groove 5 and is hinged with the movable block 41; one end of the movable block 41 is further provided with a limiting block 411, and one end of the limiting block 411 is abutted against the other end of the trip rod 32; when the spring 33 is in the energy storage state, one end of the spring pulls the second cable 44 and drives the movable block 41 to swing, so as to drive the swing rod 43 to move and toggle the closing switch 42 to rotate, thereby realizing the opening of the circuit breaker.

When a circuit fails, the motor 21 is started to drive the worm 22 to rotate, so that the gear 23 and the rotary disc 24 are driven to rotate, the push rod 25 is driven to act, and one end of the push rod is abutted to the buckling plate 312; at the moment, the buckle plate 312 is deflected under the action of force, and the hook plate 311 deflects together with the buckle plate 312 under the action of the middle shaft 313, so that the first pull cable 34 is pulled to enable the spring 33 to deform and be in an energy storage state; while the pinch plate 312 deflects, the tripping rod 32 inserted into the limit groove 3122 is separated from the notch under the deflection pushing of the pinch plate 312; when the spring 33 is in the energy storage state, one end of the spring pulls the second cable 44 and drives the movable block 41 to swing, so as to drive the swing rod 43 to move and toggle the closing switch 42 to rotate, thereby realizing the opening of the circuit breaker.

When the circuit is repaired, the motor 21 is started again to drive the worm 22 to rotate, so as to drive the push rod 25 to act and enable one end of the push rod to be separated from the buckle plate 312; at this time, the buckle plate 312 and the movable block 41 are reset under the action of the energy stored by the spring 33, one end of the trip rod 32 is pushed by the buckle plate 312 to be inserted into the limit groove 3122 again, the swinging rod 43 acts and stirs the closing switch 42 to rotate, closing locking of the circuit breaker is realized, safety accidents caused by manual misoperation are avoided, and the automatic combination switching-off device has the advantages of small size, high safety and automatic combination switching-off function.

In summary, the following steps: this novel prepayment meter reclose circuit breaker, adopt the electric control mode, realize the switching on/off of short circuiter, when the circuit broke down, through 3 actions of electric operating mechanism 2 control latch mechanism, and then control reclose subassembly 4 with the switching off, after the circuit is restoreed, through 3 actions of electric operating mechanism 2 control latch mechanism, and then control reclose subassembly 4 will close a floodgate, realize the circuit breaker reclose with this and have advantages such as small, the security is high, therefore effectively solve prior art problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel automatic reclosing circuit breaker of prepayment table, includes shell (1), its characterized in that: an electric operating mechanism (2) is arranged at one end in the shell (1), and the electric operating mechanism (2) comprises a motor (21), a worm (22), a gear (23), a turntable (24) and a push rod (25); the other end in the shell (1) is provided with a locking mechanism (3) and a reclosing assembly (4); the locking mechanism (3) comprises a locking piece (31), a tripping rod (32), a spring (33) and a first inhaul cable (34); the reclosing assembly (4) comprises a movable block (41), a closing switch (42), a swinging rod (43) and a second inhaul cable (44).

2. The novel automatic reclosing circuit breaker of the prepayment meter according to claim 1, characterized in that: the motor (21) is fixed in the shell (1) through a screw, the worm (22) is inserted in an output port of the motor (21), the gear (23) is arranged on one side of the worm (22), the tooth surface of the gear (23) is meshed with the tooth surface of the worm (22), the turntable (24) is installed at the bottom of the gear (23), and the push rod (25) is installed at one end of the turntable (24).

3. The novel automatic reclosing circuit breaker of the prepayment meter according to claim 2, characterized in that: the middle of the rotary table (24) is provided with a rod hole (241), a shaft rod (242) is inserted in the rod hole (241), one end of the shaft rod (242) extends to the side wall of the shell (1) and is movably connected with the shell through a bearing, and the other end of the shaft rod (242) is inserted in a middle shaft hole of the gear (23).

4. The novel automatic reclosing circuit breaker of the prepayment meter according to claim 2, characterized in that: lock catch spare (31) set up in one side of catch bar (25), trip bar (32) are installed in one side of lock catch spare (31) through the pivot to the one end of trip bar (32) extends to on lock catch spare (31), and the other end of trip bar (32) extends to on the movable block (41), spring (33) are installed in board groove (5) that set up in shell (1), the one end and the spring (33) of first cable (34) are articulated, and the other end of first cable (34) stretches out outside board groove (5).

5. The novel automatic reclosing circuit breaker of the prepayment meter according to claim 4, characterized in that: the hasp piece (31) still includes colludes board (311), buckle (312) and axis (313), collude board (311) and set up in the bottom of buckle (312) to the crotch end that colludes board (311) is articulated with the other end of first cable (34), axis (313) set up between colluding board (311) and buckle (312), the face that colludes board (311) sets up diaphragm orifice A (3111), the face of buckle (312) sets up diaphragm orifice B (3121), the one end of axis (313) inserts diaphragm orifice A (3111) and extends to outside the board to through the lateral wall swing joint of bearing and shell (1), the other end cartridge of axis (313) is in diaphragm orifice B (3121).

6. The novel automatic reclosing circuit breaker of the prepayment meter according to claim 5, characterized in that: one end of the buckle plate (312) is further provided with a limiting groove (3122), the limiting groove (3122) is correspondingly matched with the tripping rod (32), and one end of the tripping rod (32) is inserted into the limiting groove (3122).

7. The novel automatic reclosing circuit breaker of the prepayment meter according to claim 1, characterized in that: the utility model discloses a closing device, including shell (1), activity piece (41), closing switch (42), swinging arms (43), swing arms (44), swing arms (42), swing arms (43) and spring (33), the other end of second cable (44) stretches out outside board groove (5) to it is articulated with activity piece (41) that closing switch (42) are installed in one side of activity piece (41) through the pivot in shell (1) through the pivot, swinging arms (43) set up in the bottom of trip lever (32) to the one end and the activity piece (41) of swinging arms (43) are connected, and the other end and the closing switch (42) of swinging arms (43) are connected, the one end and the spring (33.

8. The novel automatic reclosing circuit breaker of the prepayment meter according to claim 7, characterized in that: one end of the movable block (41) is further provided with a limiting block (411), and one end of the limiting block (411) is abutted against the other end of the tripping rod (32).

9. The novel automatic reclosing circuit breaker of the prepayment meter according to claim 5, characterized in that: one end of the push rod (25) corresponds to one end of the pinch plate (312), and one end of the push rod (25) is pressed against one end of the pinch plate (312).