CN119764128B - Modular plug-in circuit breaker - Google Patents

Abstract

The invention relates to the technical field of circuit breakers and discloses a modularized plug-in circuit breaker which comprises an insulating base, a wiring shell arranged on the insulating base, a wiring unit arranged on the wiring shell, a wiring part and a fixing part, wherein the wiring unit comprises a plurality of wiring holes formed in the wiring shell, a plurality of wiring grooves formed in the insulating base, a plurality of nuts arranged in the wiring holes in a rotating mode, a screw rod arranged at the lower end of the plurality of nuts, a lifting rod arranged on the screw rod in a threaded mode, and an upper clamping plate arranged at the lower end of the screw rod.

Description

Modular plug-in circuit breaker

Technical Field

The invention relates to the technical field of circuit breakers, in particular to a modularized plug-in circuit breaker.

Background

The plug-in circuit breaker is a specially designed circuit breaker, has the characteristics of convenient installation and replacement, is usually used in a piezoelectric system and equipment, can be conveniently plugged in and pulled out from a circuit by virtue of the plug-in design, is usually installed on a guide rail or fixed in a junction box of the equipment, and is usually composed of a base and a module, wherein the base is fixed on electrical equipment or a power distribution cabinet, the circuit breaker body is a pluggable module, the modular structure enables the replacement or upgrading of the circuit breaker to be simple and quick, the whole circuit does not need to be greatly changed, an electromagnet or a thermal trigger is also arranged in the plug-in circuit breaker like the traditional circuit breaker, the circuit breaker is used for detecting abnormal current and cutting off the circuit, and the design of a trigger mechanism ensures that the circuit breaker can quickly respond to the overload and short-circuit conditions and ensures the safety of the circuit and the equipment.

In the prior art, the circuit breaker can be quickly replaced or installed by the design, the problems still exist that when the existing plug-in circuit breaker is connected, a plurality of input wires are required to be inserted into a designated position by workers, then the input wires are installed and fixed by the screwdrivers in sequence to finish connection, when the wires are required to be disconnected, the screwdrivers are required to be used for disconnecting the wires in sequence, the input wires are required to be held by hands to prevent falling off when being inserted into the wiring holes, and the normal operation of the workers is influenced. The switching control of manual opening and closing and automatic opening and closing is not simple, clear and clear. Meanwhile, in the respective execution process, convenience is insufficient, modularized rapid function switching cannot be adopted to increase and decrease functions, and meanwhile, the adaptability of the device to actual use scenes is weak.

Disclosure of Invention

In view of the problems that the prior art needs multiple wiring, manual opening and closing and automatic opening and closing switching control is not concise and clear enough and the modularized function switching is not rapid, the modularized plug-in circuit breaker is provided.

The application provides a modularized plug-in circuit breaker, which aims to ensure that a worker can simultaneously wire a plurality of input wires when wiring by arranging a wiring unit, and can simultaneously detach the plurality of input wires, so that the operation is simple and quick, the module can be plugged in and out, and the whole function is convenient and simple to set. Can carry out modularized increase setting to the function according to the use field Jing Xuqiu of difference, if meet the functional module and damage, can carry out the modularization circuit board and change, direct plug is changed, has improved the efficiency of maintenance reloading use, simultaneously, at to a great extent, has reduced the maintenance time and the material cost of whole device in the use, through setting up micro-motion identification switch, can integrate the integration of manual divide-shut brake and automatic divide-shut brake completely succinctly. The present structural arrangement enables a clear distinction of what control state (manual/automatic) the circuit breaker system is in.

The technical scheme of the invention is that the modular plug-in circuit breaker comprises an insulating base and a wiring shell arranged on the insulating base, wherein a wiring unit is arranged on the wiring shell and comprises a wiring part and a fixing part which are arranged on the wiring shell;

The multi-connection component comprises a plurality of wiring holes formed in a wiring shell, a plurality of wiring grooves formed in an insulating base, a plurality of nuts arranged in the wiring holes in a rotating mode, a screw rod arranged at the lower end of the nuts, a lifting rod arranged on the screw rod in a threaded mode, an upper clamping plate arranged at the lower end of the screw rod, a limiting groove formed in the lower end of the lifting rod, a limiting plate arranged in the limiting groove in a sliding mode, a fixing spring arranged on the limiting plate and a lower clamping plate arranged at the upper end of the fixing spring;

Install spacing subassembly between lifter and the limiting plate, a plurality of corresponding install drive assembly between the nut, a plurality of pentagonal groove has all been seted up to the upper end of nut, the lifter is "mouthful" font, be assorted arc below the punch holder and the higher authority of lower plate, the lifter is located the wiring groove, install plug subassembly and switching component on the wiring shell.

Further, the limiting component comprises a thread groove formed in the side wall of the limiting plate and the side wall of the lifting rod, the threads are arranged on the fixing rods in the two thread grooves, and the rotating button is arranged at one end of the fixing rod.

Further, the transmission assembly comprises transmission wheels arranged on the plurality of nuts and a transmission belt arranged between the corresponding plurality of transmission wheels.

Further, the fixed part is including seting up the square groove in lifter inner wall both sides, slides and sets up two fixed blocks in the square groove, sets up the extension spring between square groove lateral wall and fixed block, sets up the connecting rope in two fixed block one ends, connecting rope sealed slip runs through in the lateral wall of lifter, two the one end of fixed block all sets up to the chamfer, fixed spring is in compression state.

Further, the plug assembly comprises a plurality of jacks arranged on the side edge of the wiring shell, plug rods arranged in the jacks, and modularized function control ends arranged among the plug rods.

Further, the switching assembly comprises a manual handle arranged on the modularized function control end, a micro switch base arranged on the wiring shell, a micro identification switch arranged on the micro switch base, and a plug-in type communication module arranged on the modularized function control end, wherein a controller is arranged inside the modularized function control end.

Further, a function control panel is arranged on the modularized function control end, a cover plate is rotatably arranged on the modularized function control end, and the pluggable communication module is positioned on the inner side of the cover plate.

The invention has the beneficial effects that:

1. Through setting up wiring unit for the staff can be simultaneously to many input lines wiring when the wiring, and when the needs are taken out stitches, can accomplish simultaneously and dismantle many input lines, need not to use the instrument to operate in proper order, has reduced work load and has improved work efficiency, when needs change one of them input line simultaneously, can dismantle and change single input line through spacing subassembly, and practical functionality is stronger.

2. Through this modularization control end is inside to be the secondary wiring setting, inside contains layering control circuit board, in the use of whole circuit breaker, if meet the functional module and damage, can carry out the modularization circuit board and change, direct plug is changed, the maintenance is improved to a great extent to the efficiency of changing the dress use, simultaneously, the maintenance time and the material cost of whole device in the use have been reduced, the maintenance cost of later stage use has fully been considered in this device design, the maintenance convenience, then to the trouble that partial modularization regional produced, if can not in time carry out the trouble elimination in the field, then can carry out the local modularization functional circuit board and change earlier, make failure analysis again, the use convenience of product has been improved.

3. Through setting up micro-gap identification switch, can integrate the integration of manual divide-shut brake and automatic divide-shut brake completely succinctly, this structure sets up and can distinguish clearly that circuit breaker system is in what control state (manual/automatic) at all, as long as micro-gap identification switch breaks away from and contacts with the handle, automatic divide-shut brake system just is in the off-state, when micro-gap identification switch and handle contact, circuit breaker system just is in automatic divide-shut brake control state this moment, this logic setting simultaneously, when just can avoid needing to carry out manual divide-shut brake, because of the loss of manual handle leads to can not normally executing the operation.

Drawings

FIG. 1 is a schematic view of a first perspective view of the present invention;

FIG. 2 is a schematic view of a structure of an insulation-removed base of the present invention;

FIG. 3 is a schematic diagram of a wiring unit according to the present invention;

FIG. 4 is a plan view, partially in section, of FIG. 3 of the present invention;

FIG. 5 is a schematic perspective view of FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the internal structure of the wiring housing of the present invention;

FIG. 7 is a schematic view of a micro-switch base structure according to the present invention;

FIG. 8 is a schematic view of the exploded view of FIG. 1 in accordance with the present invention;

Fig. 9 is a schematic diagram of a micro-motion recognition switch according to the present invention.

In the figure:

1. The device comprises an insulating base, a wiring shell, a wiring hole, a wiring groove, a 5, a nut, a 6, a screw, a 7, a lifting rod, an 8, an upper clamping plate, a 9, a limiting groove, a 10, a limiting plate, a 11, a fixed spring, a 12, a lower clamping plate, a 13, a fixed rod, a 14, a rotary button, a 15, a driving wheel, a 16, a driving belt, a 17, a square groove, a 18, a fixed block, a 19, a telescopic spring, a 20, a connecting rope, a 21, an inserting rod, a 22, a modularized function control end, a 23, a manual handle, a 24, a micro-switch base, a 25, a micro-switch, a 26, a pluggable communication module, a 27, a function control panel, a 28, a cover plate, a 29 and an inserting hole.

Detailed Description

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

Referring to fig. 1-3, in a first embodiment of the present invention, a modular plug-in circuit breaker is provided, which comprises an insulation base 1, a wire connection housing 2 fixedly installed on the insulation base 1, a wire connection unit installed on the wire connection housing 2, the wire connection unit comprising a wire connection part installed on the wire connection housing 2 and a fixing part, a multi-connection part comprising a plurality of wire connection holes 3 formed on the wire connection housing 2, a plurality of wire connection grooves 4 formed on the insulation base 1, a plurality of nuts 5 rotatably installed inside the plurality of wire connection holes 3, a screw 6 fixedly installed at the lower ends of the plurality of nuts 5, a lifting rod 7 threadedly installed on the screw 6, an upper clamping plate 8 rotatably installed at the lower end of the screw 6, a limit groove 9 formed at the lower end of the lifting rod 7, a limit plate 10 slidably installed in the limit groove 9, a fixing spring 11 fixedly installed on the limit plate 10, a lower clamping plate 12 fixedly installed at the upper end of the fixing spring 11, a limit assembly installed between the lifting rod 7 and the limit plate 10, a plurality of corresponding nut 5, a plurality of transmission assemblies installed between the lifting rod 7 and the limit plate 10, a plurality of corresponding nut assemblies installed between the upper clamping plates 5, a plurality of upper clamping plates 7 and a plurality of corresponding upper clamping plates 12, a five-shaped assembly connecting assemblies installed between the upper clamping plates 7, and a lower clamping assembly 7, and a lower assembly having a face corresponding upper clamping assembly, and a lower clamping assembly 7, and a lower assembly having a five-shaped assembly, and an arc-shaped assembly, and an upper assembly, and a lower assembly, and an assembly.

Referring to fig. 4 and 5, the limiting assembly includes a screw groove formed on the side wall of the limiting plate 10 and the lifting rod 7, a fixing rod 13 screw-mounted in the two screw grooves, and a knob 14 fixedly mounted at one end of the fixing rod 13. The transmission assembly comprises a transmission wheel 15 fixedly arranged on a plurality of nuts 5, and a transmission belt 16 fixedly sleeved between the corresponding plurality of transmission wheels 15. The fixed part is including seting up the square groove 17 in lifter 7 inner wall both sides, and two fixed blocks 18 of slidable mounting in square groove 17, the telescopic spring 19 of fixed mounting between square groove 17 lateral wall and fixed block 18, the connecting rope 20 of fixed mounting in the middle of two fixed block 18 one end, connecting rope 20 sealed slip runs through in lifter 7's lateral wall, and the one end of two fixed blocks 18 all sets up to the chamfer, and fixed spring 11 is in compression state.

Specifically, the wiring component has the function of connecting a plurality of input wires into a plug-in circuit breaker, installing the circuit breaker at a designated position and working, and realizing that only one screw cap 5 is rotated through a transmission component after an installer places the ports of the plurality of input wires in lifting rods 7 in wiring grooves 4. The input wires are connected in, and the input wires in the lifting rod 7 are prevented from falling off before the screw cap 5 is turned by an installer. After the staff places the input line inside lifter 7, through pulling connecting rope 20 for two fixed blocks 18 that correspond inwards slide, and release the fixed to lower plate 12, because of fixed spring 11 is in compression state, make lower plate 12 upwards move under the effect of fixed spring 11 elasticity, through mutually supporting with upper plate 8, fix the input line port centre gripping in the centre of both, prevent the condition that the input line drops when wiring. When the staff needs to take out all input lines, just one of the nuts 5 is required to be rotated, so that all input lines can be taken out simultaneously, and the working efficiency of the staff is effectively improved.

When the staff maintains, when needing to change one of them input line alone, only need take out dead lever 13 on the lifter 7 that corresponds, can accomplish taking out one of them input line, through rotating corresponding turn button 14 for take out the dead lever 13 after, dead lever 13 releases the spacing to limiting plate 10, makes limiting plate 10 can slide down, when limiting plate 10 slides down, lower plate 12 is in the not hard up state, and the staff can light solitary with one input line take out and change this moment.

In the use process, when an installer needs to install the plug-in circuit breaker in a specified circuit, a plurality of input wires are placed in the middle of the lifting rod 7 in the wiring groove 4, and then the corresponding connecting ropes 20 are pulled, so that the connecting ropes 20 slide the corresponding two fixing blocks 18 in the square groove 17, the fixing limit of the lower clamping plate 12 is released, the lower clamping plate 12 moves upwards under the elastic force of the fixing spring 11, the corresponding input wires are clamped and fixed, and the falling-off condition in the wiring process is prevented;

When a plurality of input wires are all clamped and fixed in the corresponding lifting rod 7, a worker only needs to rotate one of the nuts 5, so that the nuts 5 can drive each nut 5 to rotate simultaneously through the driving wheel 15 and the driving belt 16, the lifting rod 7 cannot be rotated with the screw rod 6 due to the fact that the wiring groove 4 limits the lifting rod 7 in the rotating process of the nuts 5, when the screw rod 6 rotates, the lifting rod 7 can be driven to ascend, the lifting rod 7 can drive the lower clamping plate 12 at the lower end to synchronously move, when the lower clamping plate 12 and the upper clamping plate 8 move close enough, the input wire port is clamped and fixed between the two, and then the plurality of input wires are connected into the plug-in circuit breaker to finish wiring. Similarly, when a worker needs to take out the input wires, the worker can finish taking out a plurality of input wires simultaneously by only rotating one of the nuts 5;

When the staff needs to take out one of them input line and change, only need rotate corresponding knob 14 for knob 14 takes out corresponding dead lever 13 from lifter 7 and limiting plate 10, can release the fixed spacing to limiting plate 10, makes limiting plate 10 can slide in vertical direction in spacing groove 9, and limiting plate 10 releases the effort with lower plate 12 when the slip, makes lower plate 12 be in the state of becoming flexible, and then makes lower plate 12 reduce the centre gripping effort to the input line, and the staff can easily take out the input line and change.

Embodiment 2 referring to fig. 1 to 2 and fig. 7, a second embodiment of the present invention is different from the first embodiment in that the plug assembly includes a plurality of insertion holes 29 opened at the side of the connection housing 2, plug bars 21 inserted into the insertion holes 29, and modular function control terminals 22 fixedly installed between the plurality of plug bars 21.

Specifically, the modularized function control end 22 is installed on the wiring housing 2 in a pluggable manner, a secondary wiring part is arranged inside the modularized function control end 22, the secondary wiring part can be used for independently replacing a module (the module can be plugged in and plugged out), and the whole function is convenient and simple to set. The functions can be modularly added according to different usage fields Jing Xuqiu. Be provided with the plug module that supplies carrying out the carrier wave communication on the modularization function control end 22, this inside secondary wiring that is of modularization function control end 22 sets up, and inside contains hierarchical control circuit board, in the use of whole circuit breaker, if meet the function module and damage, can carry out the modularization circuit board and change, direct plug is changed, has improved the efficiency of maintenance change dress use. Meanwhile, the maintenance time and the material cost of the whole device in the use process are reduced to a great extent. Particularly, the number of secondary wiring and welding can be greatly reduced by adopting a layered circuit board wiring mode, so that the wiring installation efficiency of the circuit board is greatly improved. In addition, the design scheme of the layered modular circuit board is adopted, so that the subsequent use cost of a user can be greatly reduced, compared with the prior conventional device, the whole device can be replaced only due to internal local faults (related problems such as screen display and partial circuit board damage), and the use cost of equipment is high, and the maintenance and the overhaul are not facilitated. The device fully considers the maintenance cost and the maintenance convenience of later use, so that if the fault generated by a part of modularized areas cannot be removed in time in the field, the local modularized functional circuit board can be replaced first, then the fault analysis is carried out, and the use convenience of the product is improved.

The rest of the structure is the same as that of embodiment 1.

Embodiment 3 referring to fig. 6 to 9, a third embodiment of the present invention is different from the second embodiment in that the switching assembly includes a manual handle 23 rotatably mounted on the modular function control end 22, a micro switch base 24 fixedly mounted on the wiring housing 2, a micro switch identification switch 25 rotatably mounted on the micro switch base 24, a plug-in communication module 26 snap-fitted on the modular function control end 22, and a controller provided inside the modular function control end 22. The modularized function control end 22 is provided with a function control panel 27, the modularized function control end 22 is rotatably provided with a cover plate 28, and the pluggable communication module 26 is positioned on the inner side of the cover plate 28.

Specifically, in the existing circuit breaker at present, the circuit breaker is divided into a manual opening and closing operation and an automatic control opening and closing operation, and the conventional method is that in order to be capable of meeting the respective implementation processes of the manual opening and closing operation and the automatic control opening and closing operation, the manual opening and closing operation and the automatic control opening and closing operation are not mutually interfered, and then independent layout installation is carried out on the circuit breaker. In the process of manual opening and closing, the automatic control opening and closing operation must be independently disconnected, and then the manual opening and closing operation can be completely executed. Avoiding the collision of the two-action system in the implementation process, which leads to the damage of the gear transmission structure inside the circuit breaker. The product is designed to be capable of integrating automatic and manual opening and closing implementation by combining the conventional technical layout on the prior market and performing research and development from practical application, wherein a micro switch base 24 is arranged below the end part of a manual handle 23 as shown in the following figure, a micro identification switch 25 is arranged on the micro switch base 24, when the circuit breaker is in an automatic opening and closing control state, the end part of the manual handle 23 is required to be in contact with the micro identification switch 25, the whole executing system of the circuit breaker is in an automatic opening and closing control state, when the manual handle 23 is taken out and is separated from contact with the micro identification switch 25, the circuit breaker is in the manual opening and closing control state at the moment, and at the moment, the end part of the manual handle 23 is correspondingly inserted into a handle rotating shaft hole to rotate for manual opening and closing. The technical advantage of the structural design is that the integration of manual opening and closing and automatic opening and closing can be completely and simply integrated. The structure can clearly distinguish what control state (manual/automatic) the breaker system is in at the bottom, as long as the micro-motion identification switch 25 is separated from contact with the handle, the automatic opening and closing system is in a closing state, when the micro-motion identification switch 25 is in contact with the handle, the breaker system is in the automatic opening and closing control state, and meanwhile, the logic is set, so that the situation that the operation cannot be normally executed due to the loss of the manual handle 23 when the manual opening and closing is needed can be avoided.

The rest of the structure is the same as that of embodiment 2.

It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.

Claims (6)

1. The modularized plug-in circuit breaker comprises an insulating base and a wiring shell arranged on the insulating base, and is characterized in that a wiring unit is arranged on the wiring shell and comprises a wiring part and a fixing part which are arranged on the wiring shell;

The wiring component comprises a plurality of wiring holes formed in a wiring shell, a plurality of wiring grooves formed in an insulating base, a plurality of nuts arranged in the wiring holes in a rotating mode, a screw rod arranged at the lower end of the nuts, a lifting rod arranged on the screw rod in a threaded mode, an upper clamping plate arranged at the lower end of the screw rod, a limit groove formed at the lower end of the lifting rod, a limit plate arranged in the limit groove in a sliding mode, a fixed spring arranged on the limit plate and a lower clamping plate arranged at the upper end of the fixed spring;

A limiting assembly is arranged between the lifting rod and the limiting plate, a transmission assembly is arranged between a plurality of corresponding nuts, pentagonal grooves are formed in the upper ends of the nuts, the lifting rod is shaped like a Chinese character 'kou', the lower surface of the upper clamping plate and the upper surface of the lower clamping plate are arc-shaped, the lifting rod is positioned in the wiring groove, and a plugging assembly and a switching assembly are arranged on the wiring shell;

The fixed part is including seting up the square groove in lifter inner wall both sides, slides and sets up two fixed blocks in the square groove, sets up the extension spring between square groove lateral wall and fixed block, sets up the connecting rope in two fixed block one ends, connecting rope sealed slip runs through in the lateral wall of lifter, two the one end of fixed block all sets up to the chamfer, fixed spring is in compression state.

2. The modular plug-in circuit breaker according to claim 1, wherein the limiting assembly comprises a threaded groove formed in the side wall of the limiting plate and the lifting rod, a fixed rod arranged in the two threaded grooves in a threaded manner, and a rotary button arranged at one end of the fixed rod.

3. The modular plug-in circuit breaker according to claim 1, wherein the transmission assembly comprises a transmission wheel arranged on a plurality of nuts and a transmission belt arranged between the corresponding plurality of transmission wheels.

4. The modular plug-in circuit breaker of claim 1, wherein the plug-in assembly comprises a plurality of jacks formed in the side of the wiring housing, plug rods disposed in the jacks, and modular function control ends disposed between the plurality of plug rods.

5. The circuit breaker of claim 4, wherein the switch assembly comprises a manual handle disposed on the modular functional control end, a micro switch base disposed on the wiring housing, a micro identification switch disposed on the micro switch base, and a pluggable communication module disposed on the modular functional control end, wherein a controller is disposed inside the modular functional control end.

6. The modular plug-in circuit breaker according to claim 5, wherein the modular function control end is provided with a function control panel, the modular function control end is rotatably provided with a cover plate, and the plug-in communication module is located at the inner side of the cover plate.