CN113451083A - Intelligent automatic reclosing device of molded case circuit breaker - Google Patents
Intelligent automatic reclosing device of molded case circuit breaker Download PDFInfo
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- CN113451083A CN113451083A CN202110720930.4A CN202110720930A CN113451083A CN 113451083 A CN113451083 A CN 113451083A CN 202110720930 A CN202110720930 A CN 202110720930A CN 113451083 A CN113451083 A CN 113451083A
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- circuit breaker
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
- H01H71/68—Power reset mechanisms actuated by electromagnet
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Abstract
The invention discloses an intelligent automatic reclosing device of a molded case circuit breaker, and relates to the technical field of circuit breakers. The intelligent automatic reclosing device of the molded case circuit breaker comprises a shell plate, wherein the lower part of the front end face of the shell plate is fixedly connected with a first telescopic rod through a fixing plate, the upper end of the first telescopic rod is fixedly connected with a U-shaped frame, the outer part of the first telescopic rod is sleeved and connected with a spiral coil, one end of the spiral coil is fixedly connected with the lower end face of the U-shaped frame, the front end face of the shell plate is fixedly connected with a second sleeve ring through an L-shaped rod, the inner part of the second sleeve ring is slidably connected with a third rack, the front end face of the shell plate is rotatably connected with a second rotating shaft, the front part of the outer surface wall of the second rotating shaft is sleeved and connected with a third gear, and the third gear is meshed and connected with the third rack.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to an intelligent automatic reclosing device of a molded case circuit breaker.
Background
The breaker is a distribution electrical appliance used in the power grid, and can connect, bear and break the current under normal circuit conditions, and also can connect, bear and break the current for a certain time under the specified abnormal conditions (such as overload, short circuit, undervoltage and single-phase earth fault). The electric operating mechanism is a special accessory for the plastic shell type circuit breaker, and after the electric operating mechanism is matched with the circuit breaker, the electric operating mechanism can be electrically closed and disconnected in a long distance and can be automatically controlled to automatically control the concentration and the automatic reclosing of the circuit breaker so as to realize the transmission and distribution network: most of power line faults are transient faults, and after a line is quickly disconnected by a breaker, the insulation level of a fault point can be automatically recovered, so that the faults disappear immediately. At this time, if the opened circuit breaker is automatically reclosed, that is, automatically reclosed, normal power supply can be restored. Therefore, the automatic reclosing can provide power supply reliability, and the times and time of line power failure are reduced; the device can also play a role in correcting the error tripping caused by poor mechanism or relay protection misoperation of the circuit breaker.
However, the existing automatic reclosing device of the circuit breaker in the transient circuit fault cannot timely switch on the circuit after the circuit breaker automatically breaks off the circuit, the response speed is low, and normal power supply distribution is influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an intelligent automatic reclosing device of a molded case circuit breaker, which solves the problems that the existing automatic reclosing device of the molded case circuit breaker cannot timely connect a circuit after the circuit breaker automatically disconnects the circuit in the transient circuit fault, the response speed is low, and the normal power supply distribution is influenced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an intelligent automatic reclosing device of a molded case circuit breaker comprises a shell plate, wherein a first telescopic rod is fixedly connected to the lower portion of the front end face of the shell plate through a fixing plate, a U-shaped frame is fixedly connected to the upper end of the first telescopic rod, a spiral coil is sleeved and connected to the outer portion of the first telescopic rod, one end of the spiral coil is fixedly connected to the lower end face of the U-shaped frame, one end of the spiral coil is fixedly connected to the upper end face of the fixing plate, a first sliding rod is fixedly connected between the left end face and the right end face of the inner portion of the U-shaped frame, a first rack is slidably connected to the outer portion of the first sliding rod, a first rotating shaft is rotatably connected to the front end face of the shell plate, a first belt pulley, a second gear and a first gear are fixedly connected to the outer surface wall of the first rotating shaft from front to back in sequence, the first gear is meshed and connected with the first rack, and the front end face of the shell plate is fixedly connected with a first lantern ring through a fixing rod, the utility model discloses a shell plate, including first lantern ring, first rack, connecting rod lower extreme fixedly connected with arc briquetting, the terminal surface passes through diaphragm fixedly connected with ring before the shell plate, ring upper portion joint has the ball, the terminal surface is provided with circuit breaker switch before the shell plate, the terminal surface passes through L shape pole fixedly connected with second lantern ring before the shell plate, the inside sliding connection of second lantern ring has the third rack, the terminal surface rotates before the shell plate to be connected with the second pivot, the anterior registrated connection of second pivot exterior wall has the third gear, the third gear with the meshing of third rack is connected.
Preferably, the front end face of the shell plate is located above the circuit breaker switch and is fixedly connected with a second sliding rod through a convex plate in a symmetrical mode, the second sliding rod is externally and evenly connected with sliding blocks in a sliding mode, a spherical shell is fixedly connected between the sliding blocks, a pressing rod is fixedly connected to the lower portion of the outer surface wall of the spherical shell, a reset spring is connected to the outer portion of the second sliding rod in a sleeved mode, one end of the reset spring is fixedly connected to the lower end face of the convex plate, the other end of the reset spring is fixedly connected to the upper end face of the sliding block, a sliding groove is formed in the upper portion of the left end face of the third rack, an L-shaped block is slidably connected to the inner portion of the sliding groove, and a reset spoon is fixedly connected to the rear end face of the L-shaped block.
Preferably, third gear sliding connection is in the outer table wall of second pivot, third rack up end fixedly connected with third slide bar, the outside sliding connection of third slide bar has the latch, the outer table wall registrate of third slide bar is connected with the pressure spring, pressure spring one end fixed connection be in the outer table wall of third slide bar, the pressure spring other end fixed connection be in the latch up end, the latch with the third gear block is connected, terminal surface fixedly connected with taper sleeve before the third gear, terminal surface fixedly connected with wedge extrusion piece is passed through on the pole fixedly connected with that rolls over before the third rack, terminal surface fixedly connected with iron sheet circle before the third gear, terminal surface upper portion has the magnetic block through folded plate fixed connection before the third rack.
Preferably, the middle part of the outer surface wall of the second rotating shaft is fixedly connected with a second belt pulley, and the second belt pulley is in transmission connection with the first belt pulley through a transmission belt.
Preferably, the rear part of the outer surface wall of the first rotating shaft is connected with a torsion spring in a sleeved mode, one end of the torsion spring is fixedly connected to the outer surface wall of the first rotating shaft, and the other end of the torsion spring is fixedly connected to the front end face of the shell plate.
Preferably, surface wall circumference equidistance fixedly connected with spring telescopic link in the ring, ball diameter size is less than ring inner chamber diameter size.
Preferably, the upper link section is telescopic.
Preferably, the lower portion of the left end face of the first rack is fixedly connected with a first wedge block, the front end face of the shell plate is located on the left side of the first rack and is fixedly connected with a second wedge block, the upper portion of the right end face of the first rack is fixedly connected with a third wedge block, and the front end face of the shell plate is located on the right side of the first rack and is fixedly connected with a fourth wedge block.
Preferably, the front end face of the shell plate is located below the third rack and is fixedly connected with a limiting plate.
Advantageous effects
The invention provides an intelligent automatic reclosing device of a molded case circuit breaker. The method has the following beneficial effects:
(1) the intelligent automatic reclosing device of the molded case circuit breaker is characterized in that the spiral coil can contract after being electrified, so that under the normal circuit condition, under the electrified condition, the initial state of the spiral coil is contracted, when the circuit breaker breaks the circuit due to transient circuit failure, the spiral coil is powered off and changes from the contracted state to the extended state, the first rack is pushed to ascend, the first rack drives the first gear to rotate and further drives the first rotating shaft to rotate, the torsion spring is compressed at the moment and further drives the second gear to rotate and further drives the second rack to move leftwards, the ejector rod is further driven to move leftwards, the ejector rod is further pushed to rotate around the rotating column, the arc-shaped pressing block is further driven to rotate, the extrusion ball moves downwards, and when the force for extruding the ball is greater than the pushing force of the spring telescopic rod on the lower part of the outer surface wall of the ball, the ball can extrude the spring telescopic rod to contract into the circular ring and further fall from a hole in the circular ring, then the ball can do free-falling motion under the action of gravity, and further fall into the spherical shell to impact the spherical shell and drive the spherical shell to descend, so that the pressure rod moves downwards to trigger the breaker switch to open a circuit, the first rotating shaft can drive the first belt pulley to rotate while rotating, and further drive the second belt pulley to rotate through the transmission belt, and further drive the second rotating shaft to rotate, and further drive the third gear to rotate, the third gear continuously extrudes the clamping teeth downwards and moves downwards, at the moment, the third gear idles, when the breaker switch is opened, the first rack moves upwards to the top, the first wedge block and the second wedge block are abutted together, the first rack can move rightwards under the action of the inclined planes of the first wedge block and the second wedge block, and further the first rack is separated from the first gear, then the spiral coil contracts due to the electrification, so that the first rack is pulled to descend for resetting, at the moment, the torsional spring resets and expands, so that the first rotating shaft is driven to rotate reversely, so that the second gear is driven to rotate, so that the second rack is driven to move rightwards, so that the ejector rod is pulled to move rightwards, so that the connecting rod is driven to rotate to the initial state, meanwhile, the first rotating shaft drives the first belt pulley to rotate, so that the second belt pulley is driven to rotate through the transmission belt, so that the second rotating shaft is driven to rotate, so that the third gear is driven to ascend, so that the reset spoon is driven to ascend through the L-shaped block, the reset spoon catches up the ball from the ball shell and drives the ball to ascend, then the ball moves to the lower part of the circular ring, the ball continuously ascends to extrude the telescopic spring rod to contract, so that the ball moves to the upper part of the circular ring, the telescopic spring rod resets and extends, at the moment, the inclined plane of the wedge-shaped extrusion block at the front part of the third rack is attached to the inclined plane of the conical sleeve, further moving upwards will extrude the conical sleeve to move backwards, further making the third gear separate from the third rack, then the third rack descends under the action of gravity, when the third rack descends to the lowest end, the magnetic block is positioned in front of the iron sheet ring, then the iron sheet ring is pulled to move forwards under the action of magnetic force, so as to drive the third gear to move forwards, so that the third gear and the third rack are meshed together again, at the moment, the spiral coil pulls the first rack to move to the lowest part, at the moment, the inclined surfaces of the third wedge-shaped block and the fourth wedge-shaped block are mutually attached together and are mutually extruded, the first rack moves leftwards and is meshed with the first gear again, the initial state is recovered, the automatic closing step is completed at the moment, the circuit is electrified again, the response speed is high, the circuit can be rapidly connected, and the normal work of a power supply system is guaranteed.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the engagement between the third gear and the third rack according to the present invention;
FIG. 4 is an enlarged schematic view of a wedge-shaped extrusion block mounting structure of the present invention;
FIG. 5 is an enlarged view of the ring mounting structure of the present invention;
FIG. 6 is an enlarged view of the engagement between the second rack and the second gear.
In the figure: 1-shell plate, 2-fixed plate, 3-first telescopic rod, 4-U-shaped frame, 5-spiral coil, 6-first slide rod, 7-first rack, 8-first rotating shaft, 9-first belt pulley, 10-second gear, 11-first gear, 12-first lantern ring, 13-second rack, 14-ejector rod, 15-connecting rod, 16-arc-shaped pressing block, 17-circular ring, 18-ball, 19-breaker switch, 20-second lantern ring, 21-third rack, 22-second rotating shaft, 23-third gear, 24-second slide rod, 25-sliding block, 26-spherical shell, 27-pressing rod, 28-reset spring, 29-sliding groove, 30-reset spoon, 31-third slide rod, 32-latch, 33-pressure spring, 34-conical sleeve, 35-wedge-shaped extrusion block, 36-iron sheet ring, 37-magnetic block, 38-second belt wheel, 39-torsion spring, 40-spring telescopic rod, 41-first wedge-shaped block, 42-second wedge-shaped block, 43-third wedge-shaped block, 44-fourth wedge-shaped block, 45-limiting plate and 46-transmission belt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
the first embodiment is as follows:
an intelligent automatic reclosing device of a molded case circuit breaker comprises a shell plate 1, the lower part of the front end face of the shell plate 1 is fixedly connected with a first telescopic rod 3 through a fixing plate 2, the upper end of the first telescopic rod 3 is fixedly connected with a U-shaped frame 4, the outer part of the first telescopic rod 3 is sleeved and connected with a spiral coil 5, one end of the spiral coil 5 is fixedly connected with the lower end face of the U-shaped frame 4, one end of the spiral coil 5 is fixedly connected with the upper end face of the fixing plate 2, a first slide bar 6 is fixedly connected between the left end face and the right end face inside the U-shaped frame 4, the outer part of the first slide bar 6 is slidably connected with a first rack 7, the front end face of the shell plate 1 is rotatably connected with a first rotating shaft 8, the outer wall of the first rotating shaft 8 is sequentially and fixedly connected with a first belt pulley 9, a second gear 10 and a first gear 11, the first gear 11 is meshed and connected with the first rack 7, the front end face of the shell plate 1 is fixedly connected with a first lantern ring 12 through a fixing rod, a second rack 13 is connected inside the first sleeve 12 in a sliding manner, the second rack 13 is meshed with a second gear 10, the left end face of the second rack 13 is fixedly connected with an ejector rod 14, the left part of the front end face of the shell plate 1 is rotatably connected with a connecting rod 15 through a rotating column, the upper end of the connecting rod 15 is rotatably connected with the left end of the ejector rod 14, the lower end of the connecting rod 15 is fixedly connected with an arc-shaped pressing block 16, the front end face of the shell plate 1 is fixedly connected with a circular ring 17 through a transverse plate, the upper part of the circular ring 17 is clamped with a circular ball 18, the front end face of the shell plate 1 is provided with a circuit breaker switch 19, the front end face of the shell plate 1 is fixedly connected with a second sleeve 20 through an L-shaped rod, the inside of the second sleeve 20 is connected with a third rack 21 in a sliding manner, the front end face of the shell plate 1 is rotatably connected with a second rotating shaft 22, the front part of the outer surface wall of the second rotating shaft 22 is sleeved with a third gear 23, the third gear 23 is meshed with the third rack 21, the front end face, the shell plate 1 is positioned above the circuit breaker switch 19 and is symmetrically and fixedly connected with a second sliding rod 24 through a convex plate, the outer parts of the second sliding rods 24 are all connected with sliding blocks 25 in a sliding manner, spherical shells 26 are fixedly connected between the sliding blocks 25, the lower parts of the outer surface walls of the spherical shells 26 are fixedly connected with pressing rods 27, the outer parts of the second sliding rods 24 are connected with return springs 28 in a sleeved manner, one ends of the return springs 28 are fixedly connected with the lower end surfaces of the convex plates, the other ends of the return springs 28 are fixedly connected with the upper end surfaces of the sliding blocks 25, the upper parts of the left end surfaces of the third racks 21 are provided with sliding grooves 29, L-shaped blocks are slidably connected inside the sliding grooves 29, the rear end surfaces of the L-shaped blocks are fixedly connected with return scoops 30, third gears 23 are slidably connected with the outer surface walls of the second rotating shafts 22, the upper end surfaces of the third racks 21 are fixedly connected with third sliding rods 31, the outer parts of the third sliding rods 31 are slidably connected with clamping teeth 32, the outer surface walls of the third sliding rods 31 are connected with compression springs 33 in a sleeved manner, one ends of the compression springs 33 are fixedly connected with the outer surface walls of the third sliding rods 31, the other ends of the compression springs 33 are fixedly connected with the upper end surfaces of the clamping teeth 32, the latch 32 is connected with the third gear 23 in a clamping way, the front end face of the third gear 23 is fixedly connected with a conical sleeve 34, the lower part of the front end face of the third rack 21 is fixedly connected with a wedge-shaped extrusion block 35 through a folding rod, the front end face of the third gear 23 is fixedly connected with an iron sheet ring 36, the upper part of the front end face of the third rack 21 is fixedly connected with a magnetic block 37 through a folding plate, the middle part of the outer surface wall of the second rotating shaft 22 is fixedly connected with a second belt pulley 38, the second belt pulley 38 is in transmission connection with the first belt pulley 9 through a transmission belt 46, the rear part of the outer surface wall of the first rotating shaft 8 is sleeved and connected with a torsion spring 39, one end of the torsion spring 39 is fixedly connected with the outer surface wall of the first rotating shaft 8, the other end of the torsion spring 39 is fixedly connected with the front end face of the shell plate 1, the circumference of the inner surface wall of the ring 17 is fixedly connected with a spring telescopic rod 40 at equal intervals, the diameter size of the ball 18 is smaller than that of the inner cavity of the ring 17, the upper section of the connecting rod 15 is telescopic, the lower part of the left end face of the first rack 7 is fixedly connected with a first wedge-shaped block 41, the front end face of the shell plate 1 is positioned at the left side of the first rack 7 and is fixedly connected with a second wedge-shaped block 42, the upper part of the right end face of the first rack 7 is fixedly connected with a third wedge-shaped block 43, the front end face of the shell plate 1 is positioned at the right side of the first rack 7 and is fixedly connected with a fourth wedge-shaped block 44, the front end face of the shell plate 1 is positioned at the lower part of the third rack 21 and is fixedly connected with a limit plate 45, due to the physical property that the spiral coil 5 can contract after being electrified, under the normal circuit condition, under the electrified condition, the initial state of the spiral coil 5 is contracted, when a circuit breaker with transient circuit failure breaks the circuit, the spiral coil 5 is powered off and is changed from the contracted state to the extended state, and further jacks the first rack 7 to ascend, the first rack 7 drives the first gear 11 to rotate and further drives the first rotating shaft 8 to rotate, and at the moment, the torsion spring 39 is compressed and further drives the second gear 10 to rotate, and then the second rack 13 is driven to move leftwards, and then the top rod 14 is driven to move leftwards, and then the top connecting rod 15 rotates around the rotating column, and then the arc-shaped pressing block 16 rotates, and then the round ball 18 moves downwards, when the force for extruding the round ball 18 is larger than the force for ejecting the lower part of the outer wall of the round ball 18 by the spring telescopic rod 40, the round ball 18 can extrude the spring telescopic rod 40 to shrink into the inner part of the circular ring 17, and then fall from the hole in the circular ring 17, and then make free falling motion under the action of gravity, and further fall into the spherical shell 26 to impact the spherical shell 26, and drive the spherical shell 26 to descend, so that the pressing rod 27 moves downwards to trigger the circuit breaker 19 to open the circuit, the first rotating shaft 8 rotates and simultaneously drives the first belt pulley 9 to rotate, and further drives the second belt pulley 38 to rotate through the transmission belt 46, and further drives the second rotating shaft 22 to rotate, and then drive the third gear 23 to rotate, the third gear 23 continuously extrudes the latch 32 downwards to move downwards, at this time, the third gear 23 idles, after the breaker switch 19 is opened, at this time, the first rack 7 moves upwards to the top, the first wedge block 41 and the second wedge block 42 are abutted together, the first rack 7 moves rightwards under the action of the inclined planes of the first wedge block 41 and the second wedge block 42, and then the first rack 7 is separated from the first gear 11, then the spiral coil 5 contracts due to the power-on reason, and further the first rack 7 is pulled to descend to reset, at this time, the torsion spring 39 performs reset expansion, and further drives the first shaft 8 to rotate reversely, and further drives the second gear 10 to rotate, and further drives the second rack 13 to move rightwards, and further pulls the ejector rod 14 to move rightwards, and further drives the connecting rod 15 to rotate to the initial state, and at the same time, the first shaft 8 drives the first belt pulley 9 to rotate, then the driving belt 46 drives the second belt pulley 38 to rotate, and further drives the second rotating shaft 22 to rotate, and further drives the third gear 23 to ascend, and further drives the reset spoon 30 to ascend through the L-shaped block, the reset spoon 30 picks up the round ball 18 from the spherical shell 26 and drives the round ball 18 to ascend, and then moves to the lower part of the ring 17, the round ball 18 continues to ascend to extrude the spring telescopic rod 40 to contract, and further the round ball 18 moves to the upper part of the ring 17, the spring telescopic rod 40 resets to extend, at this time, the inclined plane of the wedge-shaped extrusion block 35 at the front part of the third rack 21 will be attached to the inclined plane of the conical sleeve 34, and then the inclined plane will extrude the conical sleeve 34 to move backwards, so that the third gear 23 moves backwards, and further the third gear 23 is separated from the third rack 21, then the third rack 21 descends under the action of gravity, when the lowest end is descended, the magnetic block 37 will be located in front of the iron sheet ring 36, then the iron sheet ring 36 is pulled to move forwards under the action of magnetic force, and further the third gear 23 is driven to move forwards, so that the third gear 23 and the third rack 21 are meshed together again, at the moment, the spiral coil 5 pulls the first rack 7 to move to the lowest part, at the moment, the inclined surfaces of the third wedge-shaped block 43 and the fourth wedge-shaped block 44 are mutually attached together and are mutually extruded, so that the first rack 7 moves leftwards and is meshed together with the first gear 11 again, the initial state is recovered, at the moment, the automatic closing step is completed, the circuit is electrified again, the response speed is high, the circuit can be quickly connected, and the normal work of a power supply system is guaranteed.
When the circuit breaker is powered on, the initial state of the spiral coil 5 is contracted, when the circuit breaker is powered on under the normal circuit condition, the spiral coil 5 is powered off, the contraction state is changed into the extension state, the first rack 7 is pushed to ascend, the first rack 7 drives the first gear 11 to rotate, the first rotating shaft 8 is driven to rotate, the torsion spring 39 is compressed at the moment, the second gear 10 is driven to rotate, the second rack 13 is driven to move leftwards, the ejector rod 14 is driven to move leftwards, the ejector connecting rod 15 is driven to rotate around the rotating column, the arc-shaped pressing block 16 is driven to rotate, the spherical ball 18 is further extruded downwards, when the force for extruding the spherical ball 18 is greater than the pushing force of the spring telescopic rod 40 on the lower part of the outer wall of the spherical ball 18, the ball 18 will press the spring expansion rod 40 to contract into the circular ring 17, and then fall from the hole inside the circular ring 17, and then make free falling body movement under the action of gravity, and then fall into the spherical shell 26 to impact the spherical shell 26, and drive the spherical shell 26 to descend, and further make the pressure lever 27 move down to trigger the breaker switch 19 to open the circuit, the first shaft 8 will drive the first belt pulley 9 to rotate while rotating, and then drive the second belt pulley 38 to rotate through the transmission belt 46, and further drive the second shaft 22 to rotate, and further drive the third gear 23 to rotate, the third gear 23 will continuously press the latch 32 downward to move downward, at this time the third gear 23 idles, when the breaker switch 19 is opened, at this time the first rack 7 moves upward to the top, the first wedge 41 and the second wedge 42 will collide together, under the effect of the first wedge 41 and the second wedge 42 inclined planes, the first rack 7 will move rightward, then the first rack 7 is separated from the first gear 11, then the spiral coil 5 is contracted due to the power-on reason, and further the first rack 7 is pulled to descend for resetting, at this time, the torsion spring 39 is reset and expanded, and further the first rotating shaft 8 is driven to rotate reversely, and further the second gear 10 is driven to rotate, and further the second rack 13 is driven to move rightwards, and further the ejector rod 14 is pulled to move rightwards, and further the connecting rod 15 is driven to rotate to the initial state, and at the same time, the first rotating shaft 8 drives the first belt pulley 9 to rotate, and further the second belt pulley 38 is driven to rotate through the transmission belt 46, and further the second rotating shaft 22 is driven to rotate, and further the third gear 23 is driven to ascend, and further the reset spoon 30 is driven to ascend through the L-shaped block, the reset spoon 30 picks up the round ball 18 from the spherical shell 26 and drives the round ball 18 to ascend, and then moves to the lower part of the round ring 17, and the round ball 18 continuously ascends and extrudes the spring telescopic rod 40 to contract, then the round ball 18 moves to the upper part of the ring 17, the telescopic spring rod 40 is reset to extend, at this time, the inclined surface of the wedge-shaped extrusion block 35 at the front part of the third rack 21 is attached to the inclined surface of the conical sleeve 34, and then moves upwards to extrude the conical sleeve 34 to move backwards, so that the third gear 23 moves backwards, so that the third gear 23 is separated from the third rack 21, then the third rack 21 descends under the action of gravity, when the third rack descends to the lowest end, the magnetic block 37 is positioned in front of the iron sheet ring 36, and then the iron sheet ring 36 moves forwards under the action of magnetic force, so that the third gear 23 is driven to move forwards, so that the third gear 23 is re-engaged with the third rack 21, at this time, the spiral coil 5 pulls the first rack 7 to move to the lowest part, at this time, the inclined surfaces of the third wedge-shaped block 43 and the fourth wedge-shaped block 44 are attached to each other and extrude each other, so that the first rack 7 moves leftwards to be re-engaged with the first gear 11, the circuit breaker can quickly reconnect the circuit in a short time under the condition that the circuit breaker breaks the circuit in a transient circuit fault, has high response speed, and ensures the normal work of a power supply system.
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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
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 (9)
1. The utility model provides a moulded case circuit breaker's intelligent automatic reclosing device, includes shell plate (1), its characterized in that: the lower part of the front end face of the shell plate (1) is fixedly connected with a first telescopic rod (3) through a fixed plate (2), the upper end of the first telescopic rod (3) is fixedly connected with a U-shaped frame (4), the outer part of the first telescopic rod (3) is sleeved with a spiral coil (5), one end of the spiral coil (5) is fixedly connected with the lower end face of the U-shaped frame (4), one end of the spiral coil (5) is fixedly connected with the upper end face of the fixed plate (2), a first slide bar (6) is fixedly connected between the left end face and the right end face inside the U-shaped frame (4), a first rack (7) is slidably connected to the outer part of the first slide bar (6), the front end face of the shell plate (1) is rotatably connected with a first rotating shaft (8), and the outer wall of the first rotating shaft (8) is sequentially and fixedly connected with a first belt pulley (9), a second gear (10) and a first gear (11), the first gear (11) is meshed with the first rack (7) and connected, the front end face of the shell plate (1) is fixedly connected with a first sleeve ring (12) through a fixing rod, the inside of the first sleeve ring (12) is slidably connected with a second rack (13), the second rack (13) is meshed with the second gear (10) and connected with a push rod (14), the left end face of the front end face of the shell plate (1) is rotatably connected with a connecting rod (15) through a rotating column, the upper end of the connecting rod (15) is rotatably connected with the left end of the push rod (14), the lower end of the connecting rod (15) is fixedly connected with an arc-shaped pressing block (16), the front end face of the shell plate (1) is fixedly connected with a circular ring (17) through a transverse plate, a circular ball (18) is clamped on the upper portion of the circular ring (17), and a circuit breaker (19) is arranged on the front end face of the shell plate (1), the end surface passes through L shape pole fixedly connected with second lantern ring (20) before coverboard (1), the inside sliding connection of second lantern ring (20) has third rack (21), the end surface rotates before coverboard (1) and is connected with second pivot (22), the anterior cover of second pivot (22) exterior wall is closed and is connected with third gear (23), third gear (23) with third rack (21) meshing is connected.
2. The intelligent automatic reclosing device of the molded case circuit breaker according to claim 1, characterized in that: the circuit breaker is characterized in that the front end face of the shell plate (1) is located above a circuit breaker switch (19) and is fixedly connected with a second sliding rod (24) through a convex plate symmetry, the outside of the second sliding rod (24) is connected with a sliding block (25) in a sliding mode, a spherical shell (26) is fixedly connected between the sliding blocks (25), a pressing rod (27) is fixedly connected with the lower portion of the outer surface wall of the spherical shell (26), a reset spring (28) is connected with the outside of the second sliding rod (24) in a sleeved mode, one end of the reset spring (28) is fixedly connected with the lower end face of the convex plate, the other end of the reset spring (28) is fixedly connected with the upper end face of the sliding block (25), a sliding groove (29) is formed in the upper portion of the left end face of a third rack (21), an L-shaped block is connected with the inside of the sliding groove (29), and a reset spoon (30) is fixedly connected with the rear end face of the L-shaped block.
3. The intelligent automatic reclosing device of the molded case circuit breaker according to claim 1, characterized in that: the third gear (23) is connected with the outer surface wall of the second rotating shaft (22) in a sliding way, a third sliding rod (31) is fixedly connected with the upper end surface of the third rack (21), a latch (32) is connected with the outer part of the third sliding rod (31) in a sliding way, a pressure spring (33) is sleeved and connected on the outer surface wall of the third slide bar (31), one end of the pressure spring (33) is fixedly connected on the outer surface wall of the third slide bar (31), the other end of the pressure spring (33) is fixedly connected with the upper end surface of the latch (32), the latch (32) is connected with the third gear (23) in a clamping way, the front end surface of the third gear (23) is fixedly connected with a conical sleeve (34), the lower part of the front end face of the third rack (21) is fixedly connected with a wedge-shaped extrusion block (35) through a folding rod, the front end face of the third gear (23) is fixedly connected with an iron sheet ring (36), and the upper part of the front end face of the third rack (21) is fixedly connected with a magnetic block (37) through a folded plate.
4. The intelligent automatic reclosing device of the molded case circuit breaker according to claim 1, characterized in that: second pivot (22) outward appearance wall middle part fixedly connected with second belt pulley (38), second belt pulley (38) pass through driving belt (46) with first belt pulley (9) transmission is connected.
5. The intelligent automatic reclosing device of the molded case circuit breaker according to claim 1, characterized in that: first pivot (8) outward appearance wall rear portion registrates and is connected with torsional spring (39), torsional spring (39) one end fixed connection be in first pivot (8) outward appearance wall, torsional spring (39) other end fixed connection be in terminal surface before shell plate (1).
6. The intelligent automatic reclosing device of the molded case circuit breaker according to claim 1, characterized in that: surface wall circumference equidistance fixedly connected with spring telescopic link (40) in ring (17), ball (18) diameter size is less than ring (17) inner chamber diameter size.
7. The intelligent automatic reclosing device of the molded case circuit breaker according to claim 1, characterized in that: the upper section of the connecting rod (15) can stretch and retract.
8. The intelligent automatic reclosing device of the molded case circuit breaker according to claim 1, characterized in that: the lower portion of the left end face of the first rack (7) is fixedly connected with a first wedge block (41), the front end face of the shell plate (1) is located on the left side of the first rack (7) and is fixedly connected with a second wedge block (42), the upper portion of the right end face of the first rack (7) is fixedly connected with a third wedge block (43), and the front end face of the shell plate (1) is located on the right side of the first rack (7) and is fixedly connected with a fourth wedge block (44).
9. The intelligent automatic reclosing device of the molded case circuit breaker according to claim 1, characterized in that: the front end face of the shell plate (1) is located below the third rack (21) and is fixedly connected with a limiting plate (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110720930.4A CN113451083A (en) | 2021-06-28 | 2021-06-28 | Intelligent automatic reclosing device of molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110720930.4A CN113451083A (en) | 2021-06-28 | 2021-06-28 | Intelligent automatic reclosing device of molded case circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN113451083A true CN113451083A (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110720930.4A Withdrawn CN113451083A (en) | 2021-06-28 | 2021-06-28 | Intelligent automatic reclosing device of molded case circuit breaker |
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| CN (1) | CN113451083A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116706394A (en) * | 2023-08-03 | 2023-09-05 | 江苏常丰精密科技有限公司 | Power battery pack module shell structure |
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| CN103413736A (en) * | 2013-08-13 | 2013-11-27 | 法泰电器（江苏）股份有限公司 | Automatic reclosing lock operating mechanism |
| CN104576235A (en) * | 2015-01-23 | 2015-04-29 | 环宇集团有限公司 | Automatic reclosing lock device of miniature circuit breaker |
| CN213483686U (en) * | 2020-10-28 | 2021-06-18 | 山东城电电力工程有限公司 | Residual current circuit breaker with automatic reclosing function |
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| US20090102296A1 (en) * | 2007-01-05 | 2009-04-23 | Powercast Corporation | Powering cell phones and similar devices using RF energy harvesting |
| CN103413736A (en) * | 2013-08-13 | 2013-11-27 | 法泰电器（江苏）股份有限公司 | Automatic reclosing lock operating mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116706394A (en) * | 2023-08-03 | 2023-09-05 | 江苏常丰精密科技有限公司 | Power battery pack module shell structure |
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Application publication date: 20210928 |
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