Intelligent circuit breaker

Abstract

The intelligent circuit breaker comprises a shell, an air switch module and an automatic opening module, the air switch module is arranged in the shell, the air switch module comprises a tripping mechanism used for disconnecting a circuit, the automatic opening module comprises a mounting part, a driving part and a pushing part, the mounting part is mounted on the air switch module, the driving part is mounted on the air switch module, and the pushing part is mounted on the air switch module. The driving part and the pushing part are arranged on the mounting part, and when the intelligent circuit breaker is in a closed state, the driving part can drive the pushing part to move, so that the pushing part can push the tripping mechanism. According to the technical scheme of the utility model, the automatic opening function of the intelligent circuit breaker is realized through the modular design, the use efficiency and convenience are improved, and the development cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to an intelligent circuit breaker. Background Art

[0002] A circuit breaker is a switching device capable of closing, carrying, and interrupting current under normal circuit conditions, as well as closing, carrying, and interrupting current under abnormal circuit conditions within a specified timeframe. Traditional circuit breakers can disconnect circuits in the event of overload, short circuit, or other anomalies, but they often rely on manual reset and control, lacking intelligent and automated management. While some existing intelligent circuit breakers offer automatic tripping capabilities, their complex structures require significant modifications to traditional circuit breakers. Furthermore, they lack modular design, making maintenance and upgrades difficult. Utility Model Content

[0003] The embodiment of the present utility model provides an intelligent circuit breaker, which can realize the automatic opening function of the intelligent circuit breaker through modular design, improve the use efficiency and convenience, and reduce the development cost.

[0004] An embodiment of the present utility model provides an intelligent circuit breaker, which includes: a shell, an air switch module and an automatic tripping module. The air switch module is arranged in the shell, the air switch module includes a tripping mechanism for disconnecting the circuit, and the automatic tripping module includes a mounting part, a driving part and a pushing part. The mounting part is installed on the air switch module, the driving part and the pushing part are arranged on the mounting part, the driving part can drive the pushing part to move, and the pushing part can push the tripping mechanism to make the intelligent circuit breaker trip.

[0005] The technical solution of the present utility model is to set an automatic tripping module in the intelligent circuit breaker. The mounting part of the automatic tripping module is installed on the air switch module. The driving part can drive the pushing part to move, so that the pushing part can push the tripping mechanism in the air switch module. The structure of the automatic tripping module is simplified and easy to install and connect with the air switch module, which is conducive to the automatic tripping of the intelligent circuit breaker when an abnormality occurs in the circuit. The automatic tripping function of the intelligent circuit breaker is realized through modular design, which improves the use efficiency and convenience and reduces the development cost.

[0006] According to the aforementioned embodiment of the present invention, the intelligent circuit breaker further includes a control module, which is electrically connected to the automatic trip module and the air switch module, and can control the driving unit to drive the pushing unit to move.

[0007] According to the aforementioned embodiment of the present invention, the driving portion includes an electromagnetic device, and the control module can control the power on and off of the electromagnetic device, so that the electromagnetic device can drive the pushing portion to move.

[0008] According to the aforementioned embodiment of the present utility model, the air switch module includes a first shell, the mounting portion is arranged on the first shell to install the automatic tripping module on the air switch module, the first shell is provided with a through hole that can connect the interior of the air switch module with the external environment, and the pushing portion can toggle the tripping mechanism inside the air switch module through the through hole.

[0009] According to the aforementioned embodiment of the present invention, the pushing portion includes a rotating assembly mounted on the mounting portion. The rotating assembly includes a rotating shaft and a rotating block. The rotating shaft is connected to the tripping mechanism, and the rotating block is connected to the rotating shaft. The rotating block includes an abutment surface configured to abut the driving portion. The driving portion is capable of driving the rotating block to rotate, thereby driving the rotating shaft to rotate.

[0010] According to the aforementioned embodiment of the present invention, the rotating assembly further includes: a first elastic member, which is disposed outside the rotating shaft and provides an elastic restoring force for the rotation of the rotating shaft.

[0011] According to any of the aforementioned embodiments of the present utility model, the electromagnetic device includes a solenoid. When the solenoid is energized, the core shaft of the solenoid pops out to push the pushing part to rotate in a first direction; when the solenoid is de-energized, the core shaft of the solenoid contracts, causing the pushing part to rotate in a second direction.

[0012] According to the aforementioned embodiment of the present invention, the electromagnetic device includes: a motor and a cam, the motor including a rotating output shaft that is rotatably connected to the cam and can drive the cam to rotate, the cam including a wheel body and a protruding column, the protruding column protruding from the surface of the wheel body. The pushing portion includes: a slider and a pushing block, the slider having a groove on the side adjacent to the cam, the protruding column being able to move within the groove and abut against the inner wall of the groove, so that the cam can drive the slider to move. The pushing block has a groove, and the slider can move within the groove to drive the pushing block to move, so that the pushing block can push the tripping mechanism.

[0013] According to the aforementioned embodiment of the present invention, the automatic opening module further includes: a detection plate and a second elastic member, the detection plate being disposed on the mounting portion and capable of detecting the position of the push portion; and the second elastic member being disposed between the slider and the groove and capable of providing elastic restoring force to the slider.

[0014] According to any of the aforementioned embodiments of the present invention, when the motor is powered on, the rotating output shaft of the motor drives the cam to rotate, and the cam in turn drives the slider and the push block to reciprocate in the third direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0016] Figure 1 This is a schematic diagram of the explosion structure of an embodiment of the intelligent circuit breaker of the utility model;

[0017] Figure 2 This is a schematic diagram of the first housing structure in an embodiment of the intelligent circuit breaker of the utility model;

[0018] Figure 3 This is a schematic diagram of the installation structure of an embodiment of the intelligent circuit breaker of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the reduction motor and solenoid in an embodiment of the intelligent circuit breaker of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the rotating block in an embodiment of the intelligent circuit breaker of the utility model;

[0021] Figure 6 This is a schematic diagram of the housing structure of an embodiment of the intelligent circuit breaker of the utility model;

[0022] Figure 7 This is a schematic diagram of the explosion structure of another embodiment of the intelligent circuit breaker of the utility model;

[0023] Figure 8 This is a schematic diagram of the exploded structure of the automatic tripping module in another embodiment of the intelligent circuit breaker of the present utility model;

[0024] Figure 9 This is a schematic diagram of the bottom shell structure in another embodiment of the intelligent circuit breaker of the utility model;

[0025] Figure 10 This is a schematic diagram of the push block structure in another embodiment of the intelligent circuit breaker of the utility model;

[0026] Figure 11 This is a schematic diagram of the structure of a slider in another embodiment of the intelligent circuit breaker of the utility model;

[0027] Figure 12 This is a schematic diagram of the cam structure in another embodiment of the intelligent circuit breaker of the utility model;

[0028] Figure 13 This is a schematic diagram of the upper cover structure of another embodiment of the intelligent circuit breaker of the utility model.

[0029] Description of Figure Numbers:

[0030] Housing-100, air switch module-200, automatic trip module-300, control module-400;

[0031] Trip mechanism 210, trip lever 220, first housing 230, fixed housing 240, second housing 250, fixing stud 260, fixing nut 270, lamp panel 280, mounting portion 310, solenoid 320, rotating assembly 330, motor 340, cam 350, slider 360, push block 370, detection plate 380, second elastic member 390, reduction motor 3100;

[0032] Through hole 231, upper cover 311, bottom shell 312, positioning pin 313, mounting slot 314, core shaft 321, rotating shaft 331, rotating block 332, first elastic member 333, fixing hole 334, fixing member 335, rotating output shaft 341, wheel body 351, protruding column 352, slide slot 361, boss 362, groove 371;

[0033] First channel 3111 , first opening 3112 , second channel 3121 , second opening 3122 , and abutting surface 3321 .

[0034] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0037] In addition, the descriptions of "first," "second," etc. in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0038] The embodiment of the present utility model provides an intelligent circuit breaker, which can realize the automatic opening function of the intelligent circuit breaker through modular design, improve the use efficiency and convenience, and reduce the development cost.

[0039] like Figure 1 as well as Figure 7 As shown, an embodiment of the present invention provides an intelligent circuit breaker, comprising: a housing 100, an air switch module 200, and an automatic tripping module 300. The air switch module 200 is disposed within the housing 100. In this application, the air switch module 200 comprises a conventional single-pole air circuit breaker with a neutral line. The air switch module 200 includes a tripping mechanism 210 for disconnecting the circuit. The automatic tripping module 300 is electrically connected to the air switch module 200 to obtain information such as the current and voltage of the air switch module 200. The automatic tripping module 300 includes a mounting portion 310, a driving portion, and a pushing portion. The mounting portion 310 is mounted on the air switch module 200. The driving portion and the pushing portion are disposed on the mounting portion 310. The driving portion is capable of driving the pushing portion to move, and the pushing portion is capable of driving the tripping mechanism 210 to trip the intelligent circuit breaker. In this application, the driving portion comprises an electromagnetic device, and the control module is capable of controlling the electromagnetic device to turn on and off power, so that the electromagnetic device drives the pushing portion to move.

[0040] In this application, if Figure 1 as well as Figure 7 As shown, the air switch module 200 includes a first housing 230, which protects the control module and the tripping mechanism 210. The mounting portion 310 is provided on the first housing 230 to mount the automatic tripping module 300 on the air switch module 200. Figure 3 as well as Figure 9 As shown, the mounting portion 310 includes a mounting slot 314 capable of mounting an electromagnetic device. Figure 2As shown, the first housing 230 is provided with a through hole 231 that can connect the interior of the air switch module 200 with the external environment. The pusher can move the tripping mechanism 210 inside the air switch module 200 through the through hole 231. In the technical solution of the present utility model, the first housing 230 of the air switch module 200 has a through hole 231, and the pusher can move the tripping mechanism 210 inside the air switch module 200 through the through hole 231. This eliminates the need to significantly modify the internal structure of the air switch module 200, thereby achieving the opening of the intelligent circuit breaker. The simple structure facilitates the intelligent circuit breaker to quickly and automatically respond to circuit anomalies and achieve automatic opening, effectively improving the efficiency and reaction speed of circuit protection.

[0041] The present utility model technical solution provides an automatic tripping module 300 in the intelligent circuit breaker. The mounting portion 310 of the automatic tripping module 300 is mounted on the air switch module 200. The driving portion can drive the pushing portion to move, so that the pushing portion can push the tripping mechanism 210 in the air switch module 200. The automatic tripping module 300 has a simplified structure and is easy to install and connect with the air switch module 200. This facilitates the intelligent circuit breaker to quickly and automatically respond to circuit anomalies and achieve automatic tripping, effectively improving the efficiency and reaction speed of circuit protection. By real-time monitoring of circuit status and multiple protection mechanisms, it effectively prevents safety accidents such as electrical fires. The modular design realizes the automatic tripping function of the intelligent circuit breaker, improves the efficiency and convenience of use, and reduces development costs.

[0042] like Figure 1 as well as Figure 7 As shown, in the present application, the intelligent circuit breaker also includes: a control module 400. The control module 400 is electrically connected to the automatic trip module 300 and the air switch module 200, and the control module 400 can control the driving part to drive the pushing part to move. In the present application, the control module 400 includes a control main board, which is arranged in the housing 100 and is electrically connected to the automatic trip module 300 and the air switch module 200. The control main board can accommodate various electrical components and detection elements such as gratings, and the control main board is used to detect and control the opening and closing actions of the intelligent circuit breaker. The housing 100 is used to support and protect the control module 400, and is detachably connected to the air switch module 200.

[0043] In this application, if Figure 1 as well as Figure 7 As shown, the air switch module 200 further includes a light board 280 , which is disposed in the first housing 230 and electrically connected to the control module 400 . The light board 280 can display the working status of the intelligent circuit breaker.

[0044] like Figure 2As shown, in one embodiment of the present application, the electromagnetic device includes a solenoid 320 and a reduction motor 3100, and the reduction motor 3100 is capable of driving the solenoid 320 to move. A positioning pin 313 is also provided on the mounting portion 310, and the positioning pin 313 is used to limit the reduction motor 3100 to the mounting portion 310. When the solenoid 320 is energized, the core shaft 321 of the solenoid 320 is ejected to drive the push portion to rotate in a first direction; when the solenoid 320 is de-energized, the core shaft 321 of the solenoid 320 is retracted, causing the push portion to rotate in a second direction, and the first direction and the second direction are opposite directions.

[0045] like Figure 1 As shown, the pushing portion includes: a rotating component 330, and the rotating component 330 is arranged on the mounting portion 310. Figure 5 As shown, the rotating assembly 330 includes a rotating shaft 331 and a rotating block 332. The rotating shaft 331 is connected to the tripping mechanism 210, and the rotating block 332 is connected to the rotating shaft 331. The rotating block 332 includes an abutting surface 3321 that abuts against the driving unit. The driving unit abuts against the abutting surface 3321, so that the driving unit can drive the rotating block 332 to rotate, thereby driving the rotating shaft 331 to rotate.

[0046] like Figure 1 As shown, the rotating assembly 330 further includes a first elastic member 333, which is disposed outside the rotating shaft 331 and provides an elastic restoring force for the rotation of the rotating shaft 331. In the present application, the first elastic member 333 is a torsion spring, which is sleeved around the outer periphery of the rotating shaft 331 and can provide an elastic restoring force for the rotation of the rotating shaft 331, thereby facilitating the rotation of the rotating shaft 331 and driving the trip mechanism 210 to open and close the intelligent circuit breaker.

[0047] like Figure 1 as well as Figure 5 As shown, the pushing portion includes a fixing hole 334 and a fixing member 335 , and the fixing member 335 is matched and connected with the fixing hole 334 to install the pushing portion on the installation portion 310 .

[0048] Next, the working steps of the intelligent circuit breaker in the above embodiment are described.

[0049] When installing the intelligent circuit breaker, the reduction motor 3100 is assembled with the mounting portion 310, the rotating block 332, the first elastic member 333, the fixing pin 335, and the positioning pin 313 to form the automatic trip module 300. The automatic trip module 300 is then installed in the reserved through-hole 231 of the first housing 230. The reduction motor 3100 in the automatic trip module 300 is then electrically connected to the control module 400 and the light board 280. The control module 400 is then locked and fixed to the air switch module 200. This completes the installation of the entire intelligent circuit breaker. When the intelligent circuit breaker is in the closed state, the core shaft 321 of the solenoid 320 contracts. When an abnormality occurs in the circuit, the control module 400 controls the solenoid 320 to be energized. The core shaft 321 of the solenoid 320 extends in the energized state and pushes the rotating block 332 to rotate. The rotating block 332 drives the rotating shaft 331 to rotate 20 degrees in the first direction. The rotating shaft 331 acts on the trip mechanism 210, causing the trip mechanism 210 to open. It is understood that those skilled in the art can determine the rotation angle of the rotating shaft 331 based on the different trip structures in the actual air switch module 200, so that the rotating shaft 331 can drive the trip mechanism 210 to operate and achieve the effect of opening the circuit breaker. The present application does not limit the rotation angle of the rotating shaft 331.

[0050] like Figure 7 As shown, in another embodiment of the present application, the air switch module 200 further includes a fixing shell 240, a second shell 250, a fixing stud 260 and a fixing nut 270. The fixing shell 240 is used to fix the tripping mechanism 210 and is connected to the first shell 230 and the second shell 250 respectively. The fixing stud 260 is used to install the control module 400 on the first shell 230, and the fixing nut 270 is used to connect the first shell 230, the second shell 250 and the fixing shell 240. Figure 9 As shown, the mounting portion 310 includes a detachably connected upper cover 311 and a bottom shell 312. A mounting cavity is defined between the upper cover 311 and the bottom shell 312, and the automatic trip module 300 is disposed in the mounting cavity. The upper cover 311 and the bottom shell 312 can be connected using screws and threaded holes or by snaps and slots. This application does not limit the connection method between the upper cover 311 and the bottom shell 312.

[0051] like Figure 8 As shown, the electromagnetic device includes: a motor 340 and a cam 350. The motor 340 includes a rotation output shaft 341. The rotation output shaft 341 is rotationally connected to the cam 350 and can drive the cam 350 to rotate.

[0052] like Figure 8 As shown, the pushing portion includes a slider 360 and a pushing block 370. Figure 12As shown, the cam 350 includes a wheel body 351 and a protruding column 352, and the protruding column 352 is protrudingly provided on the surface of the wheel body 351. Figure 10 As shown, the push block 370 has a groove 371, as shown in FIG. Figure 11 As shown, the slider 360 has a boss 362 that can move within a groove 371 to drive the push block 370 to move. The slider 360 has a sliding groove 361 on the side near the cam 350. The protruding column 352 can move within the sliding groove 361 and abut against the inner wall of the sliding groove 361, allowing the cam 350 to drive the slider 360 to move. When the circuit breaker needs to be opened, the push block 370 can push the circuit breaker lever 220, and the circuit breaker lever 220 drives the trip mechanism 210 to open the circuit breaker.

[0053] In this application, if Figure 9 as well as Figure 13 As shown, the upper cover 311 has a first channel 3111 and a first opening 3112, and the first channel 3111 and the first opening 3112 are connected. The bottom shell 312 has a second channel 3121 and a second opening 3122, and the second channel 3121 and the second opening 3122 are connected. The first channel 3111 and the second channel 3121, the first opening 3112 and the second opening 3122 correspond to each other and are connected, so that the pushing block 370 can slide inside the first channel 3111 and the second channel 3121, and at least part of the structure of the pushing block 370 is located at the first opening 3112 and the second opening 3122. The part of the structure of the pushing block 370 located at the opening 3112 can push the tripping lever 220, and the tripping lever 220 thereby drives the tripping mechanism 210 to achieve tripping.

[0054] like Figure 8 As shown, the automatic tripping module 300 also includes: a detection plate 380, which is arranged on the mounting portion 310. The detection plate 380 can detect the working position of the cam 350. After the cam 350 reaches the preset position, the detection plate 380 can send a cam 350 in place signal to the control module 400, and the control module 400 controls the motor 340 to stop rotating.

[0055] like Figure 8 As shown, the automatic trip module 300 further includes a second elastic member 390. The slider 360 includes a connection end. The second elastic member 390 is disposed between the connection end and the groove 371. The second elastic member 390 can provide an elastic restoring force for the slider 360. In the present application, the second elastic member 390 is a spring, which is disposed between the slider 360 and the groove 371 and can provide an elastic restoring force for the slider 360, facilitating the slider 360 to drive the push block 370 to move, and the push block 370 drives the trip mechanism 210 to open and close the intelligent circuit breaker.

[0056] Next, the working steps of the intelligent circuit breaker in the above embodiment are described.

[0057] When installing the intelligent circuit breaker, the automatic trip module 300 is installed in the reserved through hole 231 of the first housing 230, and the motor 340 and the detection board 380 are electrically connected to the control module 400. The control module 400 is then locked and fixed to the fixing stud 260. When an abnormality occurs in the circuit, the control module 400 controls the motor 340 to energize. The rotating output shaft 341 of the motor 340 drives the cam 350 to rotate. The protruding column 352 of the cam 350 can move within the slide groove 361 of the slider 360 and abut against the inner wall of the slide groove 361, allowing the cam 350 to drive the slider 360 to move. The boss 362 of the slider 360 can move in the third direction within the groove 371 and push the push block 370 upward, so that the push block 370 can push the trip lever 220. The trip lever 220 pushes the trip mechanism 210 to achieve tripping.

[0058] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An intelligent circuit breaker, characterized in that: The intelligent circuit breaker comprises: case; an air switch module, the air switch module being disposed in the housing and comprising a tripping mechanism for disconnecting a circuit; and An automatic tripping module includes a mounting portion, a driving portion, and a pushing portion. The mounting portion is mounted on the air switch module, and the driving portion and the pushing portion are arranged on the mounting portion. The driving portion can drive the pushing portion to move, and the pushing portion can push the tripping mechanism to trip the intelligent circuit breaker.

2. The intelligent circuit breaker according to claim 1, characterized in that: The intelligent circuit breaker further includes: A control module is electrically connected to the automatic opening module and the air switch module, and the control module can control the driving part to drive the pushing part to move.

3. The intelligent circuit breaker according to claim 2, characterized in that: The driving part includes an electromagnetic device, and the control module can control the electromagnetic device to be powered on and off, so that the electromagnetic device can drive the pushing part to move.

4. The intelligent circuit breaker according to claim 3, characterized in that: The air switch module includes a first shell, the mounting portion is arranged on the first shell to install the automatic tripping module on the air switch module, the first shell is provided with a through hole that can connect the interior of the air switch module with the external environment, and the pushing portion can move the tripping mechanism inside the air switch module through the through hole.

5. The intelligent circuit breaker according to claim 4, characterized in that: The pushing portion includes: a rotating assembly, wherein the rotating assembly is disposed on the mounting portion; The rotating assembly includes: a rotating shaft and a rotating block, the rotating block is connected to the rotating shaft, the rotating block includes an abutting surface abutting against the driving part, and the driving part can drive the rotating block to rotate, thereby driving the rotating shaft to rotate.

6. The intelligent circuit breaker according to claim 5, characterized in that: The rotating assembly further includes: A first elastic member is provided outside the rotating shaft, and the first elastic member provides elastic restoring force for the rotation of the rotating shaft.

7. The intelligent circuit breaker according to any one of claims 5 to 6, characterized in that: The electromagnetic device includes a solenoid. When the solenoid is energized, the core shaft of the solenoid pops out to push the pushing part to rotate along a first direction; when the solenoid is de-energized, the core shaft of the solenoid contracts, causing the pushing part to rotate along a second direction.

8. The intelligent circuit breaker according to claim 4, characterized in that: The electromagnetic device comprises: a motor including a rotating output shaft; and A cam, wherein the rotation output shaft is rotatably connected to the cam and can drive the cam to rotate, the cam comprising a wheel body and a protruding column, the protruding column being protrudingly provided on the surface of the wheel body; The pushing portion includes: A slider, wherein the slider has a slide groove on a side close to the cam, and the protruding column can move in the slide groove and abut against the inner wall of the slide groove, so that the cam can drive the slider to move; and A pushing block is provided with a groove, and the slider can move in the groove to drive the pushing block to move, so that the pushing block can push the tripping mechanism.

9. The intelligent circuit breaker according to claim 8, characterized in that: The automatic opening module also includes: a detection plate, the detection plate being disposed on the mounting portion and capable of detecting a position of the pushing portion; and A second elastic member is provided between the slider and the groove, and the second elastic member can provide elastic restoring force for the slider.

10. The intelligent circuit breaker according to any one of claims 8 to 9, characterized in that: When the motor is powered on, the rotating output shaft of the motor drives the cam to rotate, and the cam in turn drives the slider and the push block to reciprocate in the third direction.

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