A trip indication system and indication method for circuit breaker

Abstract

The present invention discloses a trip indication system and indication method of a circuit breaker, including a circuit breaker housing and an indication system, wherein a coil frame and a connection terminal are fixedly connected inside the circuit breaker housing, and the connection terminal is electrically connected to an external indication system through a wire, an undervoltage protection unit is arranged inside the coil frame, and a trip mechanism is arranged inside the coil frame, and the present invention relates to the technical field of circuit breakers. The trip indication system and indication method of the circuit breaker are provided with a trip mechanism and an overload protection unit, and when a short circuit or an overload occurs, heat is generated to make the metal sheet rotate completely around the connecting shaft, thereby driving the connecting frame to pull the trip plate to rotate around the rotating shaft, thereby realizing the separation of the trip plate and the metal sheet, and realizing the trip operation, thereby effectively improving the trip efficiency of the circuit breaker, and performing the protection operation in an emergency, thereby improving the safety of electricity use.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit breakers, and in particular to a trip indication system and an indication method for a circuit breaker. Background Art

[0002] The free tripping of the circuit breaker means that at any time during the closing process of the circuit breaker, if the protection action connects the tripping circuit, the circuit breaker can be disconnected reliably. The tripping device is mechanically connected to the circuit breaker to release the holding mechanism and automatically disconnect the circuit breaker. Its function is that when there is leakage in the line or electric shock, the vector sum of the current passing through the zero-sequence current transformer is not equal to zero, and the two sides of the transformer secondary coil generate voltage, which is amplified by the integrated circuit. When the setting value is reached, the power supply is cut off within 0.1 seconds through the leakage release, thereby playing a role in electric shock and leakage protection.

[0003] Existing external lines are prone to leakage or electric shock, which often leads to short circuit or increase of current, resulting in major safety accidents and the problem cannot be solved in time; in the process of safe connection through circuit breaker, only one of them can be controlled, and when the problem cannot be automatically handled, manual control cannot be performed. For this reason, the present invention provides a trip indication system and indication method of circuit breaker. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a trip indication system and an indication method for a circuit breaker, which solve the problem that the existing external lines are prone to leakage or electric shock, which often leads to short circuits or increased current, resulting in major safety accidents and the problem cannot be solved in time; and in the process of making a safe connection through a circuit breaker, only one of them can be controlled, and when the problem cannot be automatically handled, manual control cannot be performed.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a trip indication system for a circuit breaker, comprising a circuit breaker housing and an indication system, wherein a coil frame and a connection terminal are fixedly connected inside the circuit breaker housing, and the connection terminal is electrically connected to an external indication system through a wire, an undervoltage protection unit is arranged inside the coil frame, a trip mechanism is arranged inside the coil frame, the trip mechanism comprises a trip plate and a protection switch, a manual protection unit is arranged on the top of the trip plate, an overload protection unit is arranged below the trip plate, a rotating shaft is fixedly connected to the surface of the trip plate, and one end of the rotating shaft is rotatably connected to the inner wall of the circuit breaker housing, a toggle wheel is fixedly connected to one side of the protection switch, a toggle slot is provided on the surface of the circuit breaker housing, and one side of the protection switch extends to the outside of the toggle slot, and the toggle wheel A support shaft is fixedly connected to one side, and one end of the support shaft is rotatably connected to the inner wall of the circuit breaker housing, a limiting groove is provided on one side of the trip plate, a trip ring is rotatably installed between the limiting groove and the surface of the toggle wheel, a fixing plate is fixedly connected to one side of the coil frame, a trip spring is fixedly installed between the trip ring and the fixing plate, the overload protection unit comprises a metal sheet and a connecting frame, and the bottom of the metal sheet is fixedly connected to the connecting terminal below through a wire, a connecting shaft is rotatably connected to one side of the metal sheet, one end of the connecting shaft is rotatably connected to the inner wall of the circuit breaker housing, one side of the connecting frame is rotatably connected to the side wall of the metal sheet, a connecting groove and a clamping groove are provided below the trip plate, the inner surface of the connecting groove contacts the surface of the connecting frame, the surface of the connecting frame is sleeved with an extrusion spring, and the surface of the extrusion spring contacts the surface of the clamping groove.

[0006] Preferably, the manual protection unit comprises a rotating cap, one side of which is fixedly connected with a rotating rod, and the surface of the rotating rod rotates through a rotating bearing and a surface of the circuit breaker housing.

[0007] Preferably, one end of the rotating rod is fixedly connected to a winding wheel, an insulating rope is fixedly connected to the surface of the winding wheel, one end of the insulating rope is fixedly connected to the top of the trip plate, and a torsion spring is fixedly installed between the winding wheel and the opposite side of the circuit breaker housing.

[0008] Preferably, the undervoltage protection unit comprises a cylindrical magnet, a coil is tightly wound around the surface of the cylindrical magnet, a metal block is fixedly connected to the top of the coil, and the top of the metal block is electrically connected to an upper connection terminal.

[0009] Preferably, the lower end of the coil contacts the top of the metal sheet, the bottom of the cylindrical magnet is fixedly connected to an iron core, the bottom end of the iron core extends through and extends to the bottom of the coil frame, and the bottom of the iron core is fixedly connected to a limiting electrical sheet.

[0010] Preferably, the bottom of the limiting electrical sheet is located above the tripping plate, and a reset spring is sleeved on the surface of the iron core, and two ends of the reset spring are fixedly connected to the cylindrical magnet and the opposite sides of the coil frame.

[0011] Preferably, the indication system includes a data acquisition module, a data central processing unit, a data comparison module, a regulation control module, a data feedback module and an electricity safety database, the output end of the data acquisition module is connected to the input end of the data central processing unit, and the output end of the data central processing unit is connected to the input end of the data comparison module.

[0012] Preferably, the output end of the data comparison module is connected to the input end of the regulation control module, the output end of the regulation control module and the data comparison module is connected to the input end of the data feedback module, the output end of the data feedback module is connected to the input end of the data acquisition module, and the output end of the power safety database is connected to the input end of the data comparison module.

[0013] The present invention also discloses a trip indication method for a circuit breaker, which specifically comprises the following steps:

[0014] S1, overload tripping: When the line is overloaded, the metal sheet of the overload protection unit is bent to drive the trip plate in the tripping mechanism to rotate around the rotating shaft, thus realizing the protection tripping operation after the overload;

[0015] S2, undervoltage tripping: When the line generates undervoltage, the undervoltage protection unit presses the tripping plate to rotate around the rotating shaft to realize the protection tripping operation after undervoltage;

[0016] S3, manual tripping: when other protection units fail or normal power-off operation is required, the manual protection unit is used to pull the trip plate to rotate around the rotating shaft to achieve power-off protection operation.

[0017] Preferably, in S1-S3, the collected data is compared with the data in the power safety database to determine the power-off protection operation to be taken.

[0018] Beneficial Effects

[0019] The present invention provides a trip indication system and indication method for a circuit breaker. Compared with the prior art, the present invention has the following beneficial effects:

[0020] (1) The trip indication system and indication method of the circuit breaker are provided with a trip mechanism and an overload protection unit. When a short circuit or overload occurs, heat is generated to cause the metal sheet to rotate around the connecting shaft, thereby driving the connecting frame to pull the trip plate to rotate around the rotating shaft, thereby realizing the separation of the trip plate and the metal sheet and realizing the trip operation, thereby effectively improving the trip efficiency of the circuit breaker and performing protection operations in an emergency, thereby improving the safety of electricity use.

[0021] (2) The trip indication system and indication method of the circuit breaker are provided with a trip mechanism and a manual protection unit. When other protection units fail or periodic power outage is required, the rotating cap drives the rotating rod and the winding wheel to rotate, so that the insulating rope drives the trip plate to rotate around the rotating shaft, thereby realizing manual tripping operation, providing safe operation of backup tripping, and effectively improving safety.

[0022] (3) The trip indication system and indication method of the circuit breaker are provided with a trip mechanism and an undervoltage protection unit. When the line is undervoltage, the current generated at this time will press the cylindrical magnet and the iron core to move until the limit electrical plate at the bottom of the iron core contacts the trip plate, and drives the trip plate to rotate around the rotating shaft, thereby realizing the trip operation, so that when the line voltage is low, the circuit is effectively protected and safely tripped. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is an external three-dimensional structural diagram of the present invention;

[0024] Figure 2 It is a cross-sectional view of the internal three-dimensional structure of the present invention;

[0025] Figure 3 It is the internal three-dimensional structure diagram of the present invention;

[0026] Figure 4 It is a three-dimensional structural diagram of the tripping mechanism of the present invention;

[0027] Figure 5 The figure is a three-dimensional structural exploded diagram of the overload protection unit of the present invention;

[0028] Figure 6 It is a three-dimensional structural diagram of the manual protection unit of the present invention;

[0029] Figure 7 It is a three-dimensional structural diagram of the undervoltage protection unit of the present invention;

[0030] Figure 8 It is a principle block diagram of the indication system of the present invention;

[0031] Fig. 9 is a process flow chart of the trip indication method of the present invention;

[0032] Fig.10 It is the logic judgment diagram of the present invention.

[0033] In the figure: 1-circuit breaker housing, 2-indicator system, 21-data acquisition module, 22-data central processor, 23-data comparison module, 24-regulation control module, 25-data feedback module, 26-electricity safety database, 3-coil frame, 4-connection terminal, 5-undervoltage protection unit, 51-cylindrical magnet, 52-coil, 53-metal block, 54-iron core, 55-limiting electrical sheet, 56-reset spring, 6-tripping mechanism, 61-tripping plate, 62-protection switch, 63-manual Protection unit, 63-1-rotating cap, 63-2-rotating rod, 63-3-winding wheel, 63-4-insulating rope, 63-5-torsion spring, 64-overload protection unit, 64-1-metal sheet, 64-2-connecting frame, 64-3-connecting shaft, 64-4-connecting groove, 64-5-card slot, 64-6-extrusion spring, 65-rotating shaft, 66-toggle wheel, 67-toggle groove, 68-support shaft, 69-limiting groove, 610-tripping ring, 611-fixing plate, 612-tripping spring. DETAILED DESCRIPTION

[0034] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0035] See also Figure 1-5The present invention provides a technical solution: a trip indication system for a circuit breaker, comprising a circuit breaker housing 1 and an indication system 2, wherein the indication system 2 is used to control the circuit breaker and realize the collection and judgment of the external line conditions, wherein a coil frame 3 and a connection terminal 4 are fixedly connected inside the circuit breaker housing 1, wherein the connection terminal 4 is used to be connected to an external wiring terminal, and the connection terminal 4 is electrically connected to the external indication system 2 through a wire, wherein an undervoltage protection unit 5 is arranged inside the coil frame 3, and a trip mechanism 6 is arranged inside the coil frame 3, wherein the trip mechanism 6 comprises a trip plate 61 and a protection switch 62, wherein the protection switch 62 is used to be pressed by a person outside, wherein a manual protection unit 63 is arranged on the top of the trip plate 61, and an overload protection unit 63 is arranged below the trip plate 61 A protection unit 64 is provided, and a rotating shaft 65 is fixedly connected to the surface of the trip plate 61, and one end of the rotating shaft 65 is rotatably connected to the inner wall of the circuit breaker housing 1, a toggle wheel 66 is fixedly connected to one side of the protection switch 62, a toggle groove 67 is provided on the surface of the circuit breaker housing 1, the toggle groove 67 can realize the rotation of the protection switch 62, and one side of the protection switch 62 extends to the outside of the toggle groove 67, a support shaft 68 is fixedly connected to one side of the toggle wheel 66, and one end of the support shaft 68 is rotatably connected to the inner wall of the circuit breaker housing 1, a limiting groove 69 is provided on one side of the trip plate 61, and the limiting groove 69 facilitates the rotation of the toggle wheel 66 through the trip ring 610 when the trip plate 61 rotates, and a trip ring is rotatably installed between the limiting groove 69 and the surface of the toggle wheel 66 610, the trip ring 610 is connected by a trip spring 612 to prevent the problem of tripping when power is not applied. A fixed plate 611 is fixedly connected to one side of the coil frame 3, and a trip spring 612 is fixedly installed between the trip ring 610 and the fixed plate 611. The overload protection unit 64 includes a metal sheet 64-1 and a connecting frame 64-2. When a short circuit occurs outside or the electrical appliance is overloaded, the metal sheet 64-1 will bend and drive the rotation of the trip plate 61, and the bottom of the metal sheet 64-1 is fixedly connected to the connecting terminal 4 below through a wire. One side of the metal sheet 64-1 is rotatably connected to a connecting shaft 64-3, one end of the connecting shaft 64-3 is rotatably connected to the inner wall of the circuit breaker housing 1, and one side of the connecting frame 64-2 It is rotatably connected to the side wall of the metal sheet 64-1. The left side of the connecting frame 64-2 is wide and the right side is narrow, and the extrusion spring 64-6 can be squeezed through the wide part of the connecting frame 64-2. A connecting groove 64-4 and a clamping groove 64-5 are provided below the tripping plate 61. The inner surface of the connecting groove 64-4 contacts the surface of the connecting frame 64-2. The surface of the connecting frame 64-2 is sleeved with an extrusion spring 64-6, and the surface of the extrusion spring 64-6 contacts the surface of the clamping groove 64-5. By providing a tripping mechanism 6 and an overload protection unit 64, when a short circuit or overload occurs, heat is generated to cause the metal sheet 64-1 to rotate around the connecting shaft 64-3, thereby driving the connecting frame 64-2 to pull the tripping plate 61 to rotate around the rotating shaft 65.Thus, the trip plate 61 is separated from the metal sheet 64-1, and the tripping operation is realized, thereby effectively improving the tripping efficiency of the circuit breaker, and performing protection operations in emergency situations, thereby improving the safety of electricity use.

[0036] See also Figure 6 The manual protection unit 63 includes a rotating cap 63-1, which is used to realize the manual power-off tripping protection operation from the outside. A rotating rod 63-2 is fixedly connected to one side of the rotating cap 63-1. The surface of the rotating rod 63-2 rotates through the surface of the circuit breaker housing 1 through a rotating bearing. A winding wheel 63-3 is fixedly connected to one end of the rotating rod 63-2. An insulating rope 63-4 is fixedly connected to the surface of the winding wheel 63-3. One end of the insulating rope 63-4 is fixedly connected to the top of the tripping plate 61. , and a torsion spring 63-5 is fixedly installed between the reel 63-3 and the opposite side of the circuit breaker housing 1. By providing the tripping mechanism 6 and the manual protection unit 63, when other protection units fail or need to be powered off regularly, the rotating cap 63-1 is rotated to drive the rotating rod 63-2 and the reel 63-3 to rotate, so that the insulating rope 63-4 drives the tripping plate 61 to rotate around the rotating shaft 65, thereby realizing the manual tripping operation, providing the safe operation of the backup tripping, and effectively improving the safety.

[0037] See also Figure 7 The undervoltage protection unit 5 includes a cylindrical magnet 51. When the cylindrical magnet 51 is subjected to a large current, the change in the magnetic field will cause the cylindrical magnet 51 and the iron core 54 to move to achieve a tripping operation. A coil 52 is tightly wound around the surface of the cylindrical magnet 51. A metal block 53 is fixedly connected to the top of the coil 52, and the top of the metal block 53 is electrically connected to the upper connection terminal 4. The lower end of the coil 52 contacts the top of the metal sheet 64-1. The bottom of the cylindrical magnet 51 is fixedly connected to the iron core 54. The bottom end of the iron core 54 extends through the bottom of the coil frame 3, and the bottom of the iron core 54 is fixedly connected to a limiting electrical sheet 55. The limiting electrical sheet 55 is used to The trip plate 61 is moved, and the bottom of the limiting electrical piece 55 is located above the trip plate 61. A reset spring 56 is sleeved on the surface of the iron core 54. The two ends of the reset spring 56 are fixedly connected to the cylindrical magnet 51 and the opposite sides of the coil frame 3. By providing a trip mechanism 6 and an undervoltage protection unit 5, when the line is undervoltage, the current generated at this time will press the cylindrical magnet 51 and the iron core 54 to move until the limiting electrical piece 55 at the bottom of the iron core 54 contacts the trip plate 61, and drives the trip plate 61 to rotate around the rotating shaft 65, thereby realizing the tripping operation, so that when the line voltage is low, the circuit is effectively protected and safely tripped.

[0038] See also Figure 8The indication system 2 includes a data acquisition module 21, a data central processor 22, a data comparison module 23, an adjustment control module 24, a data feedback module 25 and an electricity safety database 26. The data acquisition module 21 includes multiple acquisition sensors. The output end of the data acquisition module 21 is connected to the input end of the data central processor 22, the output end of the data central processor 22 is connected to the input end of the data comparison module 23, the output end of the data comparison module 23 is connected to the input end of the adjustment control module 24, the output ends of the adjustment control module 24 and the data comparison module 23 are connected to the input end of the data feedback module 25, the output end of the data feedback module 25 is connected to the input end of the data acquisition module 21, and the output end of the electricity safety database 26 is connected to the input end of the data comparison module 23.

[0039] See also Figure 9-10 The present invention also discloses a trip indication method for a circuit breaker, which specifically comprises the following steps:

[0040] S1, overload tripping: When the line is overloaded, the metal sheet 64-1 of the overload protection unit 64 is bent to drive the trip plate 61 in the trip mechanism 6 to rotate around the rotating shaft 65, thereby realizing the protective tripping operation after the overload;

[0041] S2, undervoltage tripping: when the line generates undervoltage, the undervoltage protection unit 5 presses the tripping plate 61 to rotate around the rotating shaft 65 to realize the protection tripping operation after undervoltage;

[0042] S3, manual tripping: when other protection units fail or a normal power-off operation is required, the manual protection unit 63 is used to pull the trip plate 61 to rotate around the rotating shaft 65 to achieve a power-off protection operation.

[0043] In the embodiment of the present invention, the collected data in S1-S3 are compared with the data in the power safety database 26 to determine the power-off protection operation to be taken.

[0044] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0045] When working, firstly, the data acquisition module 21 in the indication system 2 is used to collect the data such as the current, voltage, resistance and temperature in the line and transmit them to the data central processor 22, and then the data comparison module 23 is used to compare the collected data with the data in the power safety database 26. When the collected data is within the safe data range, the normal operation is performed, and when the collected data exceeds the data range, the corresponding tripping and power-off operation is performed in the following three ways;

[0046] When a short circuit or overload occurs, heat is generated to cause the metal sheet 64-1 to rotate around the connecting shaft 64-3, thereby driving the connecting frame 64-2 to pull the trip plate 61 to rotate around the rotating shaft 65, thereby realizing the separation of the trip plate 61 and the metal sheet 64-1, and realizing the tripping operation, thereby effectively improving the tripping efficiency of the circuit breaker, and performing protection operations in emergency situations, thereby improving the safety of electricity use;

[0047] When the line is undervoltage, the current generated at this time will press the cylindrical magnet 51 and the iron core 54 to move until the limiting electrical sheet 55 at the bottom of the iron core 54 contacts the trip plate 61, and drives the trip plate 61 to rotate around the rotating shaft 65, thereby realizing the tripping operation, so that when the line voltage is low, the circuit is effectively protected and tripped safely;

[0048] When other protection units fail or need to be powered off regularly, the rotating cap 63-1 is rotated to drive the rotating rod 63-2 and the winding wheel 63-3 to rotate, so that the insulating rope 63-4 drives the trip plate 61 to rotate around the rotating shaft 65, thereby realizing manual tripping operation, providing safe operation of backup tripping, and effectively improving safety.

[0049] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circuit breaker trip indication system, comprising a circuit breaker housing (1) and an indication system (2), characterized in that: A coil frame (3) and a connection terminal (4) are fixedly connected to the inside of the circuit breaker housing (1), and the connection terminal (4) is electrically connected to an external indication system (2) via a wire, an undervoltage protection unit (5) is arranged inside the coil frame (3), and a tripping mechanism (6) is arranged inside the coil frame (3); The tripping mechanism (6) comprises a tripping plate (61) and a protection switch (62); a manual protection unit (63) is arranged on the top of the tripping plate (61); an overload protection unit (64) is arranged below the tripping plate (61); a rotating shaft (65) is fixedly connected to the surface of the tripping plate (61); one end of the rotating shaft (65) is rotatably connected to the inner wall of the circuit breaker housing (1); a toggle wheel (66) is fixedly connected to one side of the protection switch (62); a toggle groove (67) is provided on the surface of the circuit breaker housing (1); and the protection switch (62) ) extends to the outside of the toggle slot (67), one side of the toggle wheel (66) is fixedly connected to a support shaft (68), and one end of the support shaft (68) is rotatably connected to the inner wall of the circuit breaker housing (1), one side of the trip plate (61) is provided with a limit slot (69), a trip ring (610) is rotatably mounted between the limit slot (69) and the surface of the toggle wheel (66), one side of the coil frame (3) is fixedly connected to a fixing plate (611), and a trip spring (612) is fixedly mounted between the trip ring (610) and the fixing plate (611); The overload protection unit (64) comprises a metal sheet (64-1) and a connecting frame (64-2), and the bottom of the metal sheet (64-1) is fixedly connected to the connecting terminal (4) below through a wire, one side of the metal sheet (64-1) is rotatably connected to a connecting shaft (64-3), one end of the connecting shaft (64-3) is rotatably connected to the inner wall of the circuit breaker housing (1), one side of the connecting frame (64-2) is rotatably connected to the side wall of the metal sheet (64-1), a connecting groove (64-4) and a clamping groove (64-5) are provided below the trip plate (61), the inner surface of the connecting groove (64-4) is in contact with the surface of the connecting frame (64-2), the surface of the connecting frame (64-2) is sleeved with a pressing spring (64-6), and the surface of the pressing spring (64-6) is in contact with the surface of the clamping groove (64-5); The undervoltage protection unit (5) comprises a cylindrical magnet (51), a coil (52) being tightly wound around the surface of the cylindrical magnet (51), a metal block (53) being fixedly connected to the top of the coil (52), and a top of the metal block (53) being electrically connected to an upper connection terminal (4); The lower end of the coil (52) contacts the top of the metal sheet (64-1), the bottom of the cylindrical magnet (51) is fixedly connected to an iron core (54), the bottom end of the iron core (54) extends through and extends to the bottom of the coil frame (3), and the bottom of the iron core (54) is fixedly connected to a limiting electrical sheet (55); The bottom of the limiting electrical sheet (55) is located above the release plate (61), and a return spring (56) is sleeved on the surface of the iron core (54), with two ends of the return spring (56) fixedly connected to the cylindrical magnet (51) and the opposite sides of the coil frame (3).

2. A circuit breaker trip indication system according to claim 1, characterized in that: The manual protection unit (63) comprises a rotating cap (63-1), one side of the rotating cap (63-1) being fixedly connected to a rotating rod (63-2), and the surface of the rotating rod (63-2) rotates through the surface of the circuit breaker housing (1) via a rotating bearing.

3. A circuit breaker trip indication system according to claim 2, characterized in that: One end of the rotating rod (63-2) is fixedly connected to a reel (63-3), a surface of the reel (63-3) is fixedly connected to an insulating rope (63-4), one end of the insulating rope (63-4) is fixedly connected to the top of the trip plate (61), and a torsion spring (63-5) is fixedly installed between the reel (63-3) and the opposite side of the circuit breaker housing (1).

4. A circuit breaker trip indication system according to claim 1, characterized in that: The indication system (2) comprises a data acquisition module (21), a data central processing unit (22), a data comparison module (23), an adjustment control module (24), a data feedback module (25) and an electricity safety database (26), wherein the output end of the data acquisition module (21) is connected to the input end of the data central processing unit (22), and the output end of the data central processing unit (22) is connected to the input end of the data comparison module (23).

5. A circuit breaker trip indication system according to claim 4, characterized in that: The output end of the data comparison module (23) is connected to the input end of the regulation control module (24), the output ends of the regulation control module (24) and the data comparison module (23) are connected to the input end of the data feedback module (25), the output end of the data feedback module (25) is connected to the input end of the data acquisition module (21), and the output end of the power safety database (26) is connected to the input end of the data comparison module (23).

6. A trip indication method for a circuit breaker, using a trip indication system for a circuit breaker according to any one of claims 1 to 5, characterized in that: The specific steps include: S1, overload tripping: when the line is overloaded, the metal sheet (64-1) of the overload protection unit (64) is bent to drive the trip plate (61) in the trip mechanism (6) to rotate around the rotation axis (65), thereby realizing a protective tripping operation after the overload; S2, undervoltage tripping: when the line generates an undervoltage condition, the undervoltage protection unit (5) presses the tripping plate (61) to rotate around the rotating shaft (65) to achieve a protective tripping operation after the undervoltage condition; S3, manual tripping: when other protection units fail or a normal power-off operation is required, the manual protection unit (63) is used to pull the trip plate (61) to rotate around the rotation axis (65) to achieve a power-off protection operation.

7. A trip indication method for a circuit breaker according to claim 6, characterized in that: In S1-S3, the collected data is compared with the data in the power safety database (26) to determine the power-off protection operation to be taken.

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