CN216562983U

CN216562983U - Overcurrent protection intelligent circuit breaker

Info

Publication number: CN216562983U
Application number: CN202122842375.0U
Authority: CN
Inventors: 赵坚
Original assignee: Tianjin Nuowei Technology Co ltd
Current assignee: Tianjin Nuowei Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-05-17
Anticipated expiration: 2031-11-19

Abstract

The application provides an overcurrent protection intelligent circuit breaker, belongs to circuit breaker technical field. The overcurrent protection intelligent circuit breaker comprises a switch mechanism and a closing mechanism. The switch mechanism comprises an intelligent circuit breaker body and two lantern rings, wherein the lantern rings are vertically connected to one side of the intelligent circuit breaker body with a knife switch from top to bottom. This application is through the guide rail, the pendulum rod, the axostylus axostyle, the depression bar, the layer board, the electrically conductive copper post of third, first conducting strip, the second conducting strip, a power supply, first electrically conductive copper post, the electrically conductive copper post of second, the speaker, including a motor, an end cap, a controller, and a cover plate, the effect of slide and ejector pin, thereby reached and closed a floodgate effectual and can in time inform people's purpose when tripping operation, it closes a floodgate to assist intelligent circuit breaker through the combined floodgate structure, make intelligent circuit breaker conveniently close a floodgate, improve the effect of closing a floodgate, simultaneously through external warning structure, in time inform people to overhaul when making intelligent circuit breaker tripping operation.

Description

Overcurrent protection intelligent circuit breaker

Technical Field

The application relates to the field of circuit breakers, in particular to an overcurrent protection intelligent circuit breaker.

Background

The intelligent circuit breaker mechanism is located the circuit breaker openly, the mechanism adopts the free release mechanism of five connecting rods, and design into the energy storage form, intelligent circuit breaker is in the use, the mechanism always is in the energy storage position in advance, the unsatisfactory and timely people of noticing when tripping operation of current overcurrent protection intelligent circuit breaker combined floodgate effect, although intelligent circuit breaker can self close the floodgate, the easy wearing and tearing of energy storage and loss in advance, can make the combined floodgate incomplete after long-time the use, influence intelligent circuit breaker's use, when intelligent circuit breaker trips simultaneously, whole circuit does not have the electricity, lead to intelligent circuit breaker can not in time inform people to overhaul.

How to invent an overcurrent protection intelligent circuit breaker to improve the problems becomes a problem to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to make up for above not enough, this application provides an overcurrent protection intelligence circuit breaker, aims at improving the unsatisfactory and problem that can not in time inform people when tripping operation of combined floodgate effect.

The embodiment of the application provides an overcurrent protection intelligent circuit breaker, which comprises a switching mechanism and a closing mechanism.

The switch mechanism comprises an intelligent circuit breaker body and two lantern rings, the two lantern rings are vertically connected with one side of the intelligent circuit breaker body, which is provided with a knife switch, from top to bottom, the closing mechanism comprises a box body, a jacking component, a closing component, a warning component, a shaft lever, a swing rod and a guide rail, the box body is connected with one end of the intelligent circuit breaker body, the closing assembly and the warning assembly are arranged on the inner wall of the box body, the closing component is positioned above the warning component, the guide rail penetrates through the lantern ring in a sliding mode, and extends to the interior of the box body, two ends of the shaft lever are rotationally connected with the inner wall of the box body, the swing rod is arranged on the outer surface of the shaft lever, the jacking assembly and the guide rail are respectively positioned above two ends of the swing rod, and the closing assembly is positioned below the swing rod.

In the above-mentioned realization process, the lantern ring is used for spacing the guide rail, make guide rail remove in-process and intelligent circuit breaker body one side parallel arrangement, the axostylus axostyle makes the pendulum rod rotate at the box, the guide rail can drive closed subassembly downstream through the pendulum rod during the tripping operation, closed subassembly and warning subassembly contact back, warning subassembly circuit switch-on, send the police dispatch sound, remind people's circuit breaker tripping operation, the tight subassembly in top is used for making the plug-in strip on the intelligent circuit breaker body through pendulum rod and guide rail and closes, the effect of intelligent circuit breaker body combined floodgate is improved.

In a specific embodiment, the jacking component comprises a motor, a threaded rod, a sliding plate, a jacking rod and a limiting rod, the motor is connected to the inner wall of the box body, the threaded rod is installed on the output shaft of the motor, a threaded hole is formed in the inner surface of the sliding plate, threads of the threaded rod penetrate through the threaded hole, the jacking rod is installed on one side of the sliding plate, the limiting rod is connected to the inner wall of the box body, one end of the jacking rod is of an arc-shaped structure, and the jacking rod is located above the oscillating rod.

In the implementation process, the motor drives the threaded rod to rotate, the threaded rod drives the sliding plate to move up and down through the threaded hole and the limiting rod, and the sliding plate drives the ejector rod to move up and down.

In a specific embodiment, the inner surface of the sliding plate is provided with a limiting hole, and the limiting rod penetrates through the limiting hole in a sliding manner.

In the implementation process, the limiting rod and the limiting hole are used for enabling the sliding plate to move up and down along with the rotation of the threaded rod.

In a specific implementation scheme, the closing assembly comprises a support, a spring, a supporting plate, a pressing rod and a third conductive copper column, the support is connected to the inner wall of the box body, two ends of the spring are connected with one side of the support and one side of the supporting plate, the pressing rod is installed on one side of the supporting plate, the third conductive copper column is connected to the other side of the supporting plate, one end of the pressing rod is of an arc-shaped structure, and the pressing rod is located below the swinging rod.

In the implementation process, the elastic force of the spring is used for driving the third conductive copper column to move up and down through the supporting plate, and the pressing rod is used for improving the stability of the third conductive copper column in the moving up and down process.

In a specific embodiment, the inner surface of the support is provided with a pressure hole, and the pressure rod penetrates through the pressure hole in a sliding manner.

In the implementation process, the pressure hole is used for limiting the pressure rod.

In a specific embodiment, the warning subassembly includes power, speaker, wire, first electrically conductive copper post, the electrically conductive copper post of second, first conducting strip and second conducting strip, the power with the speaker connect in the box inner wall, the power positive pole passes through the wire with speaker one end electricity is connected, the power negative pole passes through first electrically conductive copper post with first conducting strip electricity is connected, the speaker other end passes through the electrically conductive copper post of second with the second conducting strip electricity is connected.

In the implementation process, the power supply supplies power to the loudspeaker, so that the loudspeaker can work under the condition of tripping of the intelligent circuit breaker, and the wire, the first conductive copper column, the second conductive copper column, the first conductive sheet and the second conductive sheet are used for electrically connecting the power supply and the loudspeaker together.

In a specific embodiment, the first conductive sheet and the second conductive sheet are both arc-shaped structures, and the inner sides of the first conductive sheet and the second conductive sheet are attached to the third conductive copper pillar.

In the implementation process, the first conducting plate, the second conducting plate and the third conducting copper column form a switch to control the connection state of the power supply and the loudspeaker.

In a specific implementation scheme, a through hole is formed in one side of the box body, and the loudspeaker horn head points to the through hole.

In the above implementation, the through-hole is used to pass the sound of the speaker through the cabinet.

In a specific embodiment, the guide rail both ends are the arc structure, the guide rail is located under the intelligence circuit breaker body plug-in strip, the guide rail with intelligence circuit breaker body plug-in strip downside laminates mutually.

In a specific embodiment, a guide hole is formed in one side of the box body, and the guide rail penetrates through the guide hole in a sliding manner.

In the implementation process, the guide hole is used for limiting the guide rail.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of an overcurrent protection intelligent circuit breaker provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a switch mechanism provided in an embodiment of the present application;

fig. 3 is a schematic structural diagram of a closing mechanism according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a tightening assembly according to an embodiment of the present disclosure;

FIG. 5 is a schematic view of a closure assembly provided in accordance with an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a warning device according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a first conductive sheet, a second conductive sheet, and a third conductive copper pillar according to an embodiment of the present disclosure.

In the figure: 10-a switch mechanism; 110-smart circuit breaker body; 120-a collar; 20-a closing mechanism; 210-a box body; 220-a tightening assembly; 221-a motor; 222-a threaded rod; 223-a slide plate; 224-a top bar; 225-a stop lever; 230-a closure assembly; 231-a support; 232-a spring; 233-pallet; 234-a compression bar; 235-a third conductive copper pillar; 240-an alert component; 241-a power supply; 242-a speaker; 243-a lead; 244-first conductive copper pillar; 245-a second conductive copper pillar; 246-a first conductive sheet; 247-a second conductive sheet; 250-shaft rod; 260-a swing rod; 270-guide rail.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, the present application provides an intelligent circuit breaker with overcurrent protection, which includes a switching mechanism 10 and a closing mechanism 20.

Wherein, closing mechanism 20 fixed connection is on switching mechanism 10, and closing mechanism 20 is used for warning people when switching mechanism 10 trips, and supplementary intelligent circuit breaker closes a floodgate, improves the effect of closing a floodgate.

Referring to fig. 1 and 2, the switching mechanism 10 includes an intelligent circuit breaker body 110 and two collars 120, the two collars 120 are vertically connected to one side of the intelligent circuit breaker body 110 with a knife from top to bottom, and specifically, the two collars 120 are fixedly connected to one side of the intelligent circuit breaker body 110 with a knife from top to bottom by welding.

Referring to fig. 1, 2 and 3, the closing mechanism 20 includes a box 210, a tightening assembly 220, a closing assembly 230, a warning assembly 240, a shaft 250, a swing rod 260 and a guide rail 270, the box 210 is connected to one end of the intelligent circuit breaker body 110, specifically, the box 210 is fixedly connected to one end of the intelligent circuit breaker body 110 by welding, the intelligent circuit breaker body 110, the closing assembly 230 and the warning assembly 240 are installed on an inner wall of the box 210, the closing assembly 230 is located above the warning assembly 240, the guide rail 270 slidably penetrates through the collar 120 and extends into the box 210, two ends of the shaft 250 are rotatably connected to the inner wall of the box 210, specifically, two ends of the shaft 250 are rotatably connected to the inner wall of the box 210 through bearings, the swing rod 260 is installed on an outer surface of the shaft 250, specifically, the swing rod 260 is fixedly installed on the outer surface of the shaft 250 by welding, the tightening assembly 220 and the guide rail 270 are respectively located above two ends of the swing rod 260, the closing assembly 230 is located the pendulum rod 260 below, the lantern ring 120 is used for spacing to guide rail 270, make guide rail 270 remove the in-process with intelligent circuit breaker body 110 one side parallel arrangement, axostylus axostyle 250 makes pendulum rod 260 can rotate at box 210, guide rail 270 can drive closing assembly 230 downstream through pendulum rod 260 during the trip, closing assembly 230 and warning assembly 240 contact back, warning assembly 240 circuit switch-on, send out the police dispatch newspaper sound, remind people's circuit breaker trip, the tight subassembly 220 that pushes up is used for making the knife switch on the intelligent circuit breaker body 110 through pendulum rod 260 and guide rail 270 close, the effect of intelligent circuit breaker body 110 combined floodgate is improved.

In some specific embodiments, both ends of the guide rail 270 are arc structures, the guide rail 270 is located under the switch blade of the intelligent circuit breaker body 110, the guide rail 270 is attached to the lower side of the switch blade of the intelligent circuit breaker body 110, one side of the box body 210 is provided with a guide hole, the guide rail 270 slides and runs through the guide hole, and the guide hole is used for limiting the guide rail 270.

Referring to fig. 3 and 4, the tightening assembly 220 includes a motor 221, a threaded rod 222, a sliding plate 223, a top rod 224 and a limit rod 225, the motor 221 is connected to the inner wall of the box 210, specifically, the motor 221 is fixedly connected to the inner wall of the box 210 through a screw, the threaded rod 222 is mounted to an output shaft of the motor 221, specifically, the threaded rod 222 is mounted to the output shaft of the motor 221 through a welding fixture, a threaded hole is formed in the inner surface of the sliding plate 223, the threaded rod 222 is threaded through the threaded hole, the top rod 224 is mounted to one side of the sliding plate 223, specifically, the top rod 224 is mounted to one side of the sliding plate 223 through a welding fixture, the limit rod 225 is connected to the inner wall of the box 210, specifically, the limit rod 225 is fixedly connected to the inner wall of the box 210 through a welding fixture, one end of the top rod 224 is in an arc structure, the top rod 224 is located above the swinging rod 260, the inner surface of the sliding plate 223 is provided with a limit hole, the limit rod 225 slides through the limit hole, the motor 221 drives the threaded rod 222 to rotate, the threaded rod 222 drives the sliding plate 223 to move up and down through the threaded hole and the limiting rod 225, the sliding plate 223 drives the mandril 224 to move up and down, and the limiting rod 225 and the limiting hole are used for enabling the sliding plate 223 to move up and down along with the rotation of the threaded rod 222.

Referring to fig. 3, 5, 6, and 7, the closing assembly 230 includes a support 231, a spring 232, a support plate 233, a pressing rod 234, and a third conductive copper pillar 235, the support 231 is connected to an inner wall of the box 210, specifically, the support 231 is fixedly connected to the inner wall of the box 210 by welding, two ends of the spring 232 are connected to one side of the support 231 and one side of the support plate 233, specifically, two ends of the spring 232 are fixedly connected to one side of the support 231 and one side of the support plate 233 by welding, the pressing rod 234 is mounted to one side of the support plate 233, specifically, the pressing rod 234 is fixedly mounted to one side of the support plate 233 by welding, the third conductive copper pillar 235 is connected to the other side of the support plate 233, specifically, the third conductive copper pillar 235 is fixedly connected to the other side of the support plate 233 by gluing, one end of the pressing rod 234 is of an arc-shaped structure, the pressing rod 234 is located below the swing rod 260, a pressing hole is formed on an inner surface of the support 231, the pressing rod 234 slidably penetrates through the pressing hole, an elastic force of the spring 232 is used for driving the third conductive copper pillar 235 to move up and down through the support plate 233, the compression bar 234 is used for improving the stability of the third conductive copper column 235 in the up-and-down moving process, and the compression holes are used for limiting the compression bar 234.

In some embodiments, the alert component 240 includes a power source 241, a speaker 242, and wires 243, the speaker comprises a first conductive copper column 244, a second conductive copper column 245, a first conductive sheet 246 and a second conductive sheet 247, wherein a power source 241 and a speaker 242 are connected to the inner wall of the box body 210, specifically, the power source 241 and the speaker 242 are fixedly connected to the inner wall of the box body 210 through screws, the anode of the power source 241 is electrically connected with one end of the speaker 242 through a wire 243, the cathode of the power source 241 is electrically connected with the first conductive sheet 246 through the first conductive copper column 244, the other end of the speaker 242 is electrically connected with the second conductive sheet 247 through the second conductive copper column 245, the first conductive sheet 246 and the second conductive sheet 247 are both arc-shaped structures, the inner sides of the first conductive sheet 246 and the second conductive sheet 247 are attached to the third conductive copper column 235, a through hole is formed in one side of the box body 210, the horn head of the speaker 242 points to the through hole, and the through hole is used for enabling sound of the speaker 242 to pass through the box body 210.

The working principle of the device is as follows: when the intelligent circuit breaker body 110 trips, the knife switch on the intelligent circuit breaker body 110 moves downwards, the knife switch drives the guide rail 270 to move downwards, the guide rail 270 drives the right end of the swing rod 260 to rotate downwards around the shaft rod 250, the swing rod 260 drives the press rod 234 to move downwards, the press rod 234 drives the third conductive copper column 235 to move downwards through the support plate 233, the third conductive copper column 235 is inserted between the first conductive sheet 246 and the second conductive sheet 247, so that the negative electrode of the power supply 241 is conducted with the speaker 242 through the first conductive copper column 244, the second conductive copper column 245, the first conductive sheet 246, the second conductive sheet 247 and the third conductive copper column 235, the positive electrode of the power supply 241 is conducted with the speaker 242 through the wire 243, the speaker 242 gives an alarm sound, people remind people of tripping the intelligent circuit breaker, when the intelligent circuit breaker needs to be switched on, the motor 221 is turned on through the external controller, the motor 221 drives the threaded rod 222 to rotate, the threaded rod 222 drives the sliding plate 223 to move downwards through the threaded hole, slide 223 drives ejector pin 224 downstream, ejector pin 224 can drive the left end of pendulum rod 260 and rotate down around axostylus axostyle 250, the right-hand member of pendulum rod 260 rotates upwards around axostylus axostyle 250 this moment, pendulum rod 260 drives guide rail 270 rebound, guide rail 270 is along the lantern ring 120 switch blade of intelligent circuit breaker body 110 of upwards pushing up, make switch blade rebound to the position of closing a floodgate on, thereby reach the effectual and tripping operation of closing a floodgate and in time inform people's purpose, it closes a floodgate to assist intelligent circuit breaker through the structure of closing a floodgate, make intelligent circuit breaker conveniently close a floodgate, improve the effect of closing a floodgate, simultaneously through external warning structure, in time inform people to overhaul when making intelligent circuit breaker trip.

It should be noted that the specific model specifications of the external controller, the intelligent circuit breaker body 110, the motor 221, the threaded rod 222, the spring 232, the third conductive copper column 235, the power source 241, the speaker 242, the wire 243, the first conductive copper column 244, the second conductive copper column 245, the first conductive sheet 246, and the second conductive sheet 247 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, and therefore detailed description is omitted.

The power supply of the power source 241 to the external controller, the smart breaker body 110, the motor 221 and the speaker 242 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An overcurrent protection intelligent circuit breaker is characterized by comprising

The switch mechanism (10) comprises an intelligent circuit breaker body (110) and two lantern rings (120), wherein the lantern rings (120) are vertically connected to one side, provided with a knife, of the intelligent circuit breaker body (110) from top to bottom;

the closing mechanism (20), the closing mechanism (20) includes a box body (210), a jacking assembly (220), a closing assembly (230), a warning assembly (240), a shaft rod (250), a swing rod (260) and a guide rail (270), the box body (210) is connected to one end of the intelligent circuit breaker body (110), the closing assembly (230) and the warning assembly (240) are installed on the inner wall of the box body (210), the closing assembly (230) is located above the warning assembly (240), the guide rail (270) penetrates through the lantern ring (120) in a sliding mode and extends into the box body (210), two ends of the shaft rod (250) are rotatably connected to the inner wall of the box body (210), the swing rod (260) is installed on the outer surface of the shaft rod (250), the jacking assembly (220) and the guide rail (270) are respectively located above two ends of the swing rod (260), the closing component (230) is positioned below the swing link (260).

2. The overcurrent protection intelligent circuit breaker according to claim 1, wherein the tightening assembly (220) comprises a motor (221), a threaded rod (222), a sliding plate (223), a top rod (224) and a limit rod (225), the motor (221) is connected to the inner wall of the box body (210), the threaded rod (222) is mounted on the output shaft of the motor (221), a threaded hole is formed in the inner surface of the sliding plate (223), the threaded rod (222) penetrates through the threaded hole in a threaded manner, the top rod (224) is mounted on one side of the sliding plate (223), the limit rod (225) is connected to the inner wall of the box body (210), one end of the top rod (224) is of an arc-shaped structure, and the top rod (224) is located above the swing rod (260).

3. The intelligent overcurrent protection circuit breaker as recited in claim 2, wherein the inner surface of the sliding plate (223) is provided with a limiting hole, and the limiting rod (225) slidably penetrates through the limiting hole.

4. The overcurrent protection intelligent circuit breaker according to claim 1, wherein the closing assembly (230) comprises a support (231), a spring (232), a support plate (233), a pressing rod (234) and a third conductive copper column (235), the support (231) is connected to the inner wall of the box body (210), two ends of the spring (232) are connected with one side of the support (231) and one side of the support plate (233), the pressing rod (234) is installed on one side of the support plate (233), the third conductive copper column (235) is connected to the other side of the support plate (233), one end of the pressing rod (234) is of an arc structure, and the pressing rod (234) is located below the swinging rod (260).

5. The overcurrent protection intelligent circuit breaker as recited in claim 4, wherein the inner surface of the support (231) is provided with a press hole, and the press rod (234) is slidably inserted through the press hole.

6. The overcurrent protection intelligent circuit breaker according to claim 4, wherein the warning component (240) comprises a power supply (241), a speaker (242), a wire (243), a first conductive copper column (244), a second conductive copper column (245), a first conductive sheet (246) and a second conductive sheet (247), the power supply (241) and the speaker (242) are connected to the inner wall of the box body (210), the positive pole of the power supply (241) is electrically connected with one end of the speaker (242) through the wire (243), the negative pole of the power supply (241) is electrically connected with the first conductive sheet (246) through the first conductive copper column (244), and the other end of the speaker (242) is electrically connected with the second conductive sheet (247) through the second conductive copper column (245).

7. The overcurrent protection intelligent circuit breaker as recited in claim 6, wherein the first conducting strip (246) and the second conducting strip (247) are both arc-shaped structures, and the inner sides of the first conducting strip (246) and the second conducting strip (247) are attached to the third conducting copper column (235).

8. The intelligent overcurrent protection circuit breaker as recited in claim 6, wherein a through hole is formed in one side of the box body (210), and the speaker (242) has a horn head pointing to the through hole.

9. The overcurrent protection intelligent circuit breaker according to claim 1, wherein both ends of the guide rail (270) are arc-shaped structures, the guide rail (270) is located right below the switch blade of the intelligent circuit breaker body (110), and the guide rail (270) is attached to the lower side of the switch blade of the intelligent circuit breaker body (110).

10. The intelligent overcurrent protection circuit breaker as recited in claim 1, wherein a guide hole is formed at one side of the box body (210), and the guide rail (270) is slidably inserted through the guide hole.