Emergency protection processing device for electric leakage of switch cabinet

Abstract

The invention discloses a switch cabinet electric leakage emergency protection processing device, and belongs to the technical field of switch cabinet electric leakage protection, the switch cabinet electric leakage emergency protection processing device comprises a box body fixedly arranged on the inner bottom surface of a cabinet body, an electric leakage processing assembly is arranged in the box body, and a live wire and a zero wire respectively penetrate through an inlet wire fixing assembly, the electric leakage processing assembly and an outlet wire fixing assembly in sequence; the electric leakage processing assembly comprises an automatic disconnection assembly and a current abnormity triggering assembly, the current abnormity triggering assembly comprises a circular magnetic ring, the peripheral outer wall of the circular magnetic ring is wrapped with a copper wire, the circular magnetic ring is fixedly arranged in the box body and corresponds to the outgoing line fixing assembly, and the live wire and the zero wire both penetrate through the middle of the circular magnetic ring. And the live wire and the zero wire are wound on the circular magnetic ring for one circle. When a small magnetic field is subtracted from a large magnetic field, a magnetic field is cutting a copper wire coil, current is generated in the coil, the current generated by a copper wire flows into the current abnormity triggering assembly, the current abnormity triggering assembly controls the automatic disconnection assembly to disconnect a circuit, and timely power-off protection of the switch cabinet is realized.

Description

Technical Field

[0001] The invention belongs to the technical field of leakage protection of switch cabinets, and in particular relates to a leakage emergency protection processing device for a switch cabinet. Background Art

[0002] Switchgear is an electrical device that controls the opening and closing of various equipment. The external line first enters the main control switch in the cabinet, and then enters the sub-control switch. Each branch is set according to its needs. It is divided into high-voltage switchgear and low-voltage switchgear. 220v - 1kV is a low-voltage system, and the low-voltage switchgear is suitable for this; high-voltage switchgear is used for electrical systems above 10kV. It consists of two major parts: the cabinet and the electrical components in the cabinet. The materials used for the cabinet include cold-rolled steel plates or angle steels, aluminum-zinc coated steel plates or galvanized steel plates. It has functions such as overhead inlet and outlet lines, cable inlet and outlet lines, and busbar connection. It is mainly suitable for various places such as power plants, substations, petrochemicals, metallurgical steel rolling, light industry and textiles, factories and mines, residential areas, high-rise buildings, etc. The switchgear leakage emergency protection device is a device specially used to prevent and deal with leakage in the switchgear. This device can detect leakage in time and take protective measures immediately to avoid possible safety accidents.

[0003] Publication (Announcement) No.: CN118174240B discloses a switch cabinet leakage emergency protection device, including a switch box, a switch door hingedly installed on the side of the switch box, a connection buckle fixedly connected to the side of the switch door away from the hinged end, an interlocking device fixedly connected to one end of the switch box, a leakage protector fixedly connected to one end of the switch box, a self-test module fixedly connected to one side of the leakage protector, and an electric operating mechanism detachably installed on the side of the leakage protector. The above scheme realizes leakage protection, and the operator manually presses the manual button to detect whether the leakage protector is faulty and malfunctioning, and sets a relative time for automatic detection. There is no need for the operator to conduct regular inspections, thereby reducing the workload of the operator. The wireless transmission module is sent to the terminal, so that the maintenance personnel can find the fault or malfunction of the leakage protection device in the first time, realize automatic interlocking, and avoid the switch box being in a leakage situation, and mistakenly opening the switch door, thereby causing a safety accident. The invention provides a better switch cabinet leakage emergency protection processing device. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide a switch cabinet leakage emergency protection processing device, which solves the problems in the above-mentioned background technology.

[0005] The objective of the present invention is achieved as follows: A switch cabinet leakage emergency protection processing device, comprising a box body fixedly arranged on the bottom surface of the cabinet body, wherein an incoming line fixing component, an outgoing line fixing component, and a leakage processing component are arranged inside the box body, and the live wire and the neutral wire respectively pass through the incoming line fixing component, the leakage processing component, and the outgoing line fixing component in sequence; the leakage processing component comprises an automatic disconnection component and a current abnormality triggering component, and the current abnormality triggering component comprises a circular magnetic ring, and the outer wall of the circular magnetic ring is wrapped with copper wire. The circular magnetic ring is fixedly arranged inside the box body and corresponds to the outgoing line fixing component, and the live wire and the neutral wire both pass through the middle of the circular magnetic ring, and the live wire and the neutral wire are both wrapped around the circular magnetic ring. When in use, the live wire carries alternating current, and the line will generate a constantly changing magnetic field. At this time, a magnetic field will also be generated inside the closed circular magnetic ring. The constantly changing magnetic field cuts the copper wire, and the copper wire will generate alternating current. Adding the neutral wire, the alternating current goes out from the live wire, and the current coming back from the neutral wire is equal, always keeping the same size but opposite direction, that is to say, the magnetic field generated is also the same size and opposite direction, then the magnetic field inside the circular magnetic ring will cancel each other out, the magnetic field does not exist, and the copper wire coil will not generate current. Once leakage occurs, part of the current flows into the earth, that is, the part of the neutral wire going back will be less, at this time, the magnetic field inside the circular magnetic ring becomes one large and one small, the large magnetic field minus the small magnetic field will have a magnetic field cutting the copper wire coil, then current is generated in the coil, and the current generated by the copper wire flows into the abnormal current trigger component, and the abnormal current trigger component controls the automatic disconnect component to disconnect the circuit, realizing timely power-off protection of the switch cabinet.

[0006] Furthermore, the incoming line fixing assembly includes an incoming line fixing plate, which is fixedly arranged on the inner bottom surface of the box body, and the plate surface of the incoming line fixing plate is provided with a first through hole and a second through hole, and the outer side of the incoming line fixing plate is provided with a first fixed end and a second fixed end, and the first fixed end and the second fixed end both include a bottom support seat and a top pressure cap, and the top pressure cap is detachably connected to the bottom support seat, the first fixed end is used to fix the live wire, and the second fixed end is used to fix the neutral wire, and when in use, the live wire and the neutral wire are respectively inserted into the first through hole and the second through hole.

[0007] Furthermore, the outlet fixing assembly includes a third fixing end and a fourth fixing end, each of which includes a bottom support and a top pressure cap, the top pressure cap is detachably connected to the bottom support, the third fixing end is used to fix the live wire, and the fourth fixing end is used to fix the neutral wire. When in use, the top pressure cap is separated from the bottom support, the live wire and the neutral wire are placed above the bottom support of the third fixing end and the fourth fixing end, respectively, and then the live wire and the neutral wire are pressed and fixed with the top pressure cap.

[0008] Furthermore, the automatic disconnection assembly includes a first intermediate connection seat and a second intermediate connection seat, and the first intermediate connection seat is arranged corresponding to the second intermediate connection seat; a first connecting rod is slidably connected to the upper part of the first intermediate connection seat, and a second connecting rod is slidably connected to the upper part of the second intermediate connection seat, and the tails of the first connecting rod and the second connecting rod are fixedly connected through a cross bar, and a push handle is connected to the middle position of the cross bar. When in use, the push handle is driven to move under the action of the abnormal current trigger assembly, and the movement of the push handle drives the movement of the cross bar, and the cross bar drives the first connecting rod and the second connecting rod to move, so that the live wire and the neutral wire are disconnected.

[0009] Furthermore, a magnet part is fixedly provided at the end of the push handle, a ring body corresponding to the magnet part is fixedly provided inside the box body, a coil is wound around the outside of the ring body, a first guide rod is fixedly provided inside the first through hole, and a second guide rod is fixedly provided inside the second through hole. When in use, the current generated by the copper wire of the circular magnetic ring flows into the coil outside the ring body, which generates a strong magnetic attraction, and the magnet part moves under the action of the magnetic attraction, and the magnet part drives the push handle to move, thereby separating the first connecting rod and the second connecting rod from the first guide rod and the second guide rod, thereby realizing the rapid disconnection of the circuit and cutting off the current to protect the switch cabinet.

[0010] Furthermore, the upper surfaces of the first intermediate connecting seat and the second intermediate connecting seat are both provided with an arc-shaped groove, one end of the first connecting rod and the second connecting rod is both provided with a half-notch, the lower half of the first connecting rod is slidably connected inside the arc-shaped groove, and an elastic component is provided between the side wall of the half-notch and the inner side wall of the groove; the elastic component is a spring, one end of the spring is fixedly connected to the side wall of the half-notch, and the other end of the spring is fixedly connected to the inner side wall of the groove. A limiting groove is provided on the inner side wall of the groove, and a convex strip is fixedly connected to the side wall of the first connecting rod, and the convex strip is slidably connected in the limiting groove.

[0011] Furthermore, the current abnormality trigger component includes an electric control mainboard, the board surface of the electric control mainboard is provided with four diodes, the board surface of the electric control mainboard is provided with a thyristor, and the thyristor is electrically connected to the four diodes, and the thyristor is electrically connected to the coil outside the ring body. When in use, the current generated by the copper wire of the circular ring body flows into the electric control mainboard, and the current passes through the thyristor route after being rectified by the four-point diode. When the current reaches a certain voltage value through the thyristor, it will trigger the thyristor to turn on. After the thyristor is turned on, the coil outside the ring body generates current, thereby generating magnetic attraction.

[0012] The invention has the beneficial effects that the live wire is connected with alternating current, and the line will generate a constantly changing magnetic field. At this time, a magnetic field will also be generated inside the closed circular magnetic ring. The constantly changing magnetic field cuts the copper wire, and the copper wire will generate an alternating current. In addition to the zero line, the alternating current goes out from the live wire, and the current coming back from the zero line is equal, and the magnitude is always the same but the direction is opposite, that is to say, the magnetic field generated is also the same in magnitude and the direction is opposite, then the magnetic field inside the circular magnetic ring will cancel each other out, the magnetic field does not exist, and the copper wire coil will not generate current. Once leakage occurs, part of the current flows into the earth, that is, the part of the zero line going back will be less, at this time, the magnetic field in the circular magnetic ring becomes one large and one small, and the large magnetic field minus the small magnetic field will have a magnetic field cutting the copper wire coil, then current is generated in the coil, and the current generated by the copper wire flows into the current abnormal trigger component, and the current abnormal trigger component controls the automatic disconnection component to disconnect the circuit, so as to realize timely power-off protection switch cabinet. When in use, the top pressure cap is separated from the bottom support seat, and the live wire and the zero line are respectively placed above the bottom support seat of the third fixed end and the fourth fixed end, and then the top pressure cap is used to press and fix the live wire and the zero line. Under the action of the abnormal current trigger component, the push handle is driven to move, and the push handle movement drives the cross bar movement, and the cross bar drives the first connecting rod and the second connecting rod to move, so that the live wire and the neutral wire are disconnected. The current generated by the copper wire of the circular ring body flows into the electronic control mainboard, and the current passes through the thyristor route after being rectified by the four-point diode. When the current reaches a certain voltage value through the thyristor, it will trigger the thyristor to turn on. After the thyristor turns on, the coil outside the ring body generates current, thereby generating magnetic attraction. The current generated by the copper wire of the circular magnetic ring flows into the coil outside the ring body, which will generate a strong magnetic attraction. Under the action of the magnetic attraction, the magnet part moves, and the magnet part drives the push handle to move, thereby separating the first connecting rod and the second connecting rod from the first guide rod and the second guide rod, realizing the rapid disconnection of the circuit and cutting off the current to protect the switch cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the main structure of the cabinet of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the cabinet of the present invention when viewed from above; Figure 3 It is a schematic diagram of the three-dimensional structure of the cabinet of the present invention when viewed from above; Figure 4 It is a schematic diagram of the main structure of the box body of the present invention; Figure 5 It is a schematic diagram of the internal structure of the box of the present invention; Figure 6 The present invention Figure 5 Middle A: Enlarged view; Figure 7 It is a schematic diagram of the circular magnetic ring structure of the present invention; Figure 8It is a schematic diagram of the front view structure of the first connecting rod and the first intermediate connecting seat of the present invention; Fig. 9 It is a schematic diagram of the three-dimensional structure of the first connecting rod and the first intermediate connecting seat of the present invention.

[0014] In the figure: 1, cabinet 2, box 3, circular magnetic ring 4, live wire 5, neutral wire 6, incoming line fixing plate 7, first through hole 8, second through hole 9, first fixed end 10, second fixed end 11, third fixed end 12, fourth fixed end 13, first intermediate connecting seat 14, second intermediate connecting seat 15, first connecting rod 16, second connecting rod 17, cross bar 18, push handle 19, magnet part 20, ring body 21, first guide rod 22, second guide rod 23, arc groove 24, half notch 25, spring 26, limit groove 27, convex strip 28, electronic control main board. DETAILED DESCRIPTION

[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings. It should be pointed out that all directional words such as up, down, front, back, left, and right appearing in the present invention do not limit the present invention, but are only for clearer description and explanation of the present invention. Example

[0016] like Figure 1-9As shown, the present embodiment discloses a leakage emergency protection processing device for a switch cabinet, which comprises a box body 2 fixedly arranged on the inner bottom surface of a cabinet body 1, wherein an incoming line fixing component, an outgoing line fixing component, and a leakage processing component are arranged inside the box body 2, and a live wire 4 and a neutral wire 5 respectively pass through the incoming line fixing component, the leakage processing component, and the outgoing line fixing component in sequence; the leakage processing component comprises an automatic disconnection component and a current abnormality triggering component, and the current abnormality triggering component comprises a circular magnetic ring 3, and the outer wall of the circular magnetic ring 3 is wrapped with copper wire, the circular magnetic ring 3 is fixedly arranged inside the box body 2 and corresponds to the outgoing line fixing component, the live wire 4 and the neutral wire 5 both pass through the middle of the circular magnetic ring 3, and the live wire 4 and the neutral wire 5 are both wound around the circular magnetic ring 3. When in use, the live wire 4 is connected with alternating current, and the line will generate a constantly changing magnetic field. At this time, a magnetic field will also be generated inside the closed circular magnetic ring 3. The constantly changing magnetic field cuts the copper wire, and the copper wire will generate an alternating current. Adding the neutral wire 5, the alternating current goes out from the live wire 4, and the current coming back from the neutral wire 5 is equal, always keeping the same size but opposite direction, that is to say, the magnetic field generated is also the same size but opposite direction, then the magnetic field inside the circular magnetic ring 3 will cancel each other out, the magnetic field does not exist, and the copper wire coil will not generate current. Once leakage occurs, part of the current flows into the earth, that is, the part of the neutral wire 5 going back will be less, at this time, the magnetic field inside the circular magnetic ring 3 becomes one large and one small, and the large magnetic field minus the small magnetic field will have a magnetic field cutting the copper wire coil, then current is generated in the coil, and the current generated by the copper wire flows into the current abnormality trigger component, and the current abnormality trigger component controls the automatic disconnection component to disconnect the circuit, realizing timely power-off protection of the switch cabinet. Example

[0017] like Figure 1-9As shown, the present embodiment discloses a leakage emergency protection processing device for a switch cabinet, which comprises a box body 2 fixedly arranged on the inner bottom surface of a cabinet body 1, wherein an incoming line fixing component, an outgoing line fixing component, and a leakage processing component are arranged inside the box body 2, and a live wire 4 and a neutral wire 5 respectively pass through the incoming line fixing component, the leakage processing component, and the outgoing line fixing component in sequence; the leakage processing component comprises an automatic disconnection component and a current abnormality triggering component, and the current abnormality triggering component comprises a circular magnetic ring 3, and the outer wall of the circular magnetic ring 3 is wrapped with copper wire, the circular magnetic ring 3 is fixedly arranged inside the box body 2 and corresponds to the outgoing line fixing component, the live wire 4 and the neutral wire 5 both pass through the middle of the circular magnetic ring 3, and the live wire 4 and the neutral wire 5 are both wound around the circular magnetic ring 3. When in use, the live wire 4 is connected with alternating current, and the line will generate a constantly changing magnetic field. At this time, a magnetic field will also be generated inside the closed circular magnetic ring 3. The constantly changing magnetic field cuts the copper wire, and the copper wire will generate an alternating current. Adding the neutral wire 5, the alternating current goes out from the live wire 4, and the current coming back from the neutral wire 5 is equal, always keeping the same size but opposite direction, that is to say, the magnetic field generated is also the same size but opposite direction, then the magnetic field inside the circular magnetic ring 3 will cancel each other out, the magnetic field does not exist, and the copper wire coil will not generate current. Once leakage occurs, part of the current flows into the earth, that is, the part of the neutral wire 5 going back will be less, at this time, the magnetic field inside the circular magnetic ring 3 becomes one large and one small, and the large magnetic field minus the small magnetic field will have a magnetic field cutting the copper wire coil, then current is generated in the coil, and the current generated by the copper wire flows into the current abnormality trigger component, and the current abnormality trigger component controls the automatic disconnection component to disconnect the circuit, realizing timely power-off protection of the switch cabinet.

[0018] For better effect, the incoming line fixing assembly includes an incoming line fixing plate 6, which is fixedly arranged on the inner bottom surface of the box body 2, and the plate surface of the incoming line fixing plate 6 is provided with a first through hole 7 and a second through hole 8, and the outer side of the incoming line fixing plate 6 is provided with a first fixed end 9 and a second fixed end 10, and the first fixed end 9 and the second fixed end 10 both include a bottom support seat and a top pressure cap, and the top pressure cap is detachably connected to the bottom support seat, the first fixed end 9 is used to fix the live wire 4, and the second fixed end 10 is used to fix the neutral wire 5, and when in use, the live wire 4 and the neutral wire 5 are respectively inserted into the first through hole 7 and the second through hole 8.

[0019] For better effect, the outlet fixing assembly includes a third fixing end 11 and a fourth fixing end 12, and the third fixing end 11 and the fourth fixing end 12 both include a bottom support and a top pressure cap, and the top pressure cap is detachably connected to the bottom support, and the third fixing end 11 is used to fix the live wire 4, and the fourth fixing end 12 is used to fix the neutral wire 5. When in use, the top pressure cap is separated from the bottom support, and the live wire 4 and the neutral wire 5 are placed above the bottom support of the third fixing end 11 and the fourth fixing end 12, respectively, and then the live wire 4 and the neutral wire 5 are pressed and fixed with the top pressure cap.

[0020] For better effect, the automatic disconnection assembly includes a first intermediate connection seat 13 and a second intermediate connection seat 14, and the first intermediate connection seat 13 is arranged corresponding to the second intermediate connection seat 14; a first connecting rod 15 is slidably connected to the top of the first intermediate connection seat 13, and a second connecting rod 16 is slidably connected to the top of the second intermediate connection seat 14. The tails of the first connecting rod 15 and the second connecting rod 16 are fixedly connected by a cross bar 17, and a push handle 18 is connected to the middle position of the cross bar 17. When in use, the push handle 18 is driven to move under the action of the abnormal current trigger assembly, and the movement of the push handle 18 drives the movement of the cross bar 17, and the cross bar 17 drives the first connecting rod 15 and the second connecting rod 16 to move, so that the live wire 4 and the neutral wire 5 are disconnected.

[0021] For better effect, the end of the push handle 18 is fixedly provided with a magnet part 19, the inside of the box body 2 is fixedly provided with a ring body 20 corresponding to the magnet part 19, the outside of the ring body 20 is wound with a coil, the inside of the first through hole 7 is fixedly connected with a first guide rod 21, and the inside of the second through hole 8 is fixedly connected with a second guide rod 22. When in use, the current generated by the copper wire of the circular magnetic ring 3 flows into the coil outside the ring body 20, which will generate a strong magnetic attraction, and the magnet part 19 moves under the action of the magnetic attraction, and the magnet part 19 drives the push handle 18 to move, thereby separating the first connecting rod 15 and the second connecting rod 16 from the first guide rod 21 and the second guide rod 22, so as to achieve rapid disconnection of the circuit and cut off the current to protect the switch cabinet.

[0022] For better effect, the current abnormality trigger component includes an electric control main board 28, and the board surface of the electric control main board 28 is provided with four diodes, and the board surface of the electric control main board 28 is provided with a thyristor, and the thyristor is electrically connected to the four diodes, and the thyristor is electrically connected to the coil outside the ring body 20. When in use, the current generated by the copper wire of the circular ring body 20 flows into the electric control main board 28, and the current passes through the thyristor route after being rectified by the four-point diode. When the current reaches a certain voltage value through the thyristor, it will trigger the thyristor to turn on. After the thyristor is turned on, the coil outside the ring body 20 generates current, thereby generating magnetic attraction. Example

[0023] like Figure 1-9As shown, the present embodiment discloses a leakage emergency protection processing device for a switch cabinet, which comprises a box body 2 fixedly arranged on the inner bottom surface of a cabinet body 1, wherein an incoming line fixing component, an outgoing line fixing component, and a leakage processing component are arranged inside the box body 2, and a live wire 4 and a neutral wire 5 respectively pass through the incoming line fixing component, the leakage processing component, and the outgoing line fixing component in sequence; the leakage processing component comprises an automatic disconnection component and a current abnormality triggering component, and the current abnormality triggering component comprises a circular magnetic ring 3, and the outer wall of the circular magnetic ring 3 is wrapped with copper wire, the circular magnetic ring 3 is fixedly arranged inside the box body 2 and corresponds to the outgoing line fixing component, the live wire 4 and the neutral wire 5 both pass through the middle of the circular magnetic ring 3, and the live wire 4 and the neutral wire 5 are both wound around the circular magnetic ring 3. When in use, the live wire 4 is connected with alternating current, and the line will generate a constantly changing magnetic field. At this time, a magnetic field will also be generated inside the closed circular magnetic ring 3. The constantly changing magnetic field cuts the copper wire, and the copper wire will generate an alternating current. Adding the neutral wire 5, the alternating current goes out from the live wire 4, and the current coming back from the neutral wire 5 is equal, always keeping the same size but opposite direction, that is to say, the magnetic field generated is also the same size but opposite direction, then the magnetic field inside the circular magnetic ring 3 will cancel each other out, the magnetic field does not exist, and the copper wire coil will not generate current. Once leakage occurs, part of the current flows into the earth, that is, the part of the neutral wire 5 going back will be less, at this time, the magnetic field inside the circular magnetic ring 3 becomes one large and one small, and the large magnetic field minus the small magnetic field will have a magnetic field cutting the copper wire coil, then current is generated in the coil, and the current generated by the copper wire flows into the current abnormality trigger component, and the current abnormality trigger component controls the automatic disconnection component to disconnect the circuit, realizing timely power-off protection of the switch cabinet.

[0024] For better effect, the incoming line fixing assembly includes an incoming line fixing plate 6, which is fixedly arranged on the inner bottom surface of the box body 2, and the plate surface of the incoming line fixing plate 6 is provided with a first through hole 7 and a second through hole 8, and the outer side of the incoming line fixing plate 6 is provided with a first fixed end 9 and a second fixed end 10, and the first fixed end 9 and the second fixed end 10 both include a bottom support seat and a top pressure cap, and the top pressure cap is detachably connected to the bottom support seat, the first fixed end 9 is used to fix the live wire 4, and the second fixed end 10 is used to fix the neutral wire 5, and when in use, the live wire 4 and the neutral wire 5 are respectively inserted into the first through hole 7 and the second through hole 8.

[0025] For better effect, the outlet fixing assembly includes a third fixing end 11 and a fourth fixing end 12, and the third fixing end 11 and the fourth fixing end 12 both include a bottom support and a top pressure cap, and the top pressure cap is detachably connected to the bottom support, and the third fixing end 11 is used to fix the live wire 4, and the fourth fixing end 12 is used to fix the neutral wire 5. When in use, the top pressure cap is separated from the bottom support, and the live wire 4 and the neutral wire 5 are placed above the bottom support of the third fixing end 11 and the fourth fixing end 12, respectively, and then the live wire 4 and the neutral wire 5 are pressed and fixed with the top pressure cap.

[0026] For better effect, the automatic disconnection assembly includes a first intermediate connection seat 13 and a second intermediate connection seat 14, and the first intermediate connection seat 13 is arranged corresponding to the second intermediate connection seat 14; a first connecting rod 15 is slidably connected to the top of the first intermediate connection seat 13, and a second connecting rod 16 is slidably connected to the top of the second intermediate connection seat 14. The tails of the first connecting rod 15 and the second connecting rod 16 are fixedly connected by a cross bar 17, and a push handle 18 is connected to the middle position of the cross bar 17. When in use, the push handle 18 is driven to move under the action of the abnormal current trigger assembly, and the movement of the push handle 18 drives the movement of the cross bar 17, and the cross bar 17 drives the first connecting rod 15 and the second connecting rod 16 to move, so that the live wire 4 and the neutral wire 5 are disconnected.

[0027] For better effect, the end of the push handle 18 is fixedly provided with a magnet part 19, the inside of the box body 2 is fixedly provided with a ring body 20 corresponding to the magnet part 19, the outside of the ring body 20 is wound with a coil, the inside of the first through hole 7 is fixedly connected with a first guide rod 21, and the inside of the second through hole 8 is fixedly connected with a second guide rod 22. When in use, the current generated by the copper wire of the circular magnetic ring 3 flows into the coil outside the ring body 20, which will generate a strong magnetic attraction, and the magnet part 19 moves under the action of the magnetic attraction, and the magnet part 19 drives the push handle 18 to move, thereby separating the first connecting rod 15 and the second connecting rod 16 from the first guide rod 21 and the second guide rod 22, so as to achieve rapid disconnection of the circuit and cut off the current to protect the switch cabinet.

[0028] For better effect, the current abnormality trigger component includes an electric control main board 28, and the board surface of the electric control main board 28 is provided with four diodes, and the board surface of the electric control main board 28 is provided with a thyristor, and the thyristor is electrically connected to the four diodes, and the thyristor is electrically connected to the coil outside the ring body 20. When in use, the current generated by the copper wire of the circular ring body 20 flows into the electric control main board 28, and the current passes through the thyristor route after being rectified by the four-point diode. When the current reaches a certain voltage value through the thyristor, it will trigger the thyristor to turn on. After the thyristor is turned on, the coil outside the ring body 20 generates current, thereby generating magnetic attraction.

[0029] For better effect, the upper surfaces of the first intermediate connecting seat 13 and the second intermediate connecting seat 14 are both provided with an arc-shaped groove 23, and one end of the first connecting rod 15 and the second connecting rod 16 is both provided with a half-slot 24, the lower half of the first connecting rod 15 is slidably connected inside the arc-shaped groove 23, and an elastic component is provided between the side wall of the half-slot 24 and the inner side wall of the groove 23; the elastic component is a spring 25, one end of the spring 25 is fixedly connected to the side wall of the half-slot 24, and the other end of the spring 25 is fixedly connected to the inner side wall of the groove 23. A limiting groove 26 is provided on the inner side wall of the groove 23, and a convex strip 27 is fixedly connected to the side wall of the first connecting rod 15, and the convex strip 27 is slidably connected in the limiting groove 26.

[0030] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A switch cabinet leakage emergency protection processing device, comprising a box body fixedly arranged on the bottom surface of the cabinet body, characterized in that: An incoming line fixing component, an outgoing line fixing component, and a leakage treatment component are arranged inside the box body, and the live wire and the neutral wire respectively pass through the incoming line fixing component, the leakage treatment component, and the outgoing line fixing component in sequence; the leakage treatment component includes an automatic disconnection component and a current abnormality trigger component, and the current abnormality trigger component includes a circular magnetic ring, and the outer wall of the circular magnetic ring is wrapped with copper wire. The circular magnetic ring is fixedly arranged inside the box body and corresponds to the outgoing line fixing component. The live wire and the neutral wire both pass through the middle of the circular magnetic ring, and the live wire and the neutral wire are both wrapped around the circular magnetic ring.

2. The switch cabinet leakage emergency protection processing device according to claim 1 is characterized in that: The incoming line fixing assembly includes an incoming line fixing plate, which is fixedly arranged on the inner bottom surface of the box body, and the plate surface of the incoming line fixing plate is provided with a first through hole and a second through hole, and the outer side of the incoming line fixing plate is provided with a first fixed end and a second fixed end, and the first fixed end and the second fixed end both include a bottom support seat and a top pressure cap, and the top pressure cap is detachably connected to the bottom support seat, and the first fixed end is used to fix the live wire, and the second fixed end is used to fix the neutral wire.

3. The switch cabinet leakage emergency protection processing device according to claim 1 is characterized in that: The outgoing line fixing assembly includes a third fixed end and a fourth fixed end, and the third fixed end and the fourth fixed end both include a bottom support seat and a top pressure cap, and the top pressure cap is detachably connected to the bottom support seat. The third fixed end is used to fix the live wire, and the fourth fixed end is used to fix the neutral wire.

4. The switch cabinet leakage emergency protection processing device according to claim 2 is characterized in that: The automatic disconnecting assembly includes a first intermediate connecting seat and a second intermediate connecting seat, and the first intermediate connecting seat is arranged corresponding to the second intermediate connecting seat; a first connecting rod is slidably connected to the top of the first intermediate connecting seat, and a second connecting rod is slidably connected to the top of the second intermediate connecting seat, and the tails of the first connecting rod and the second connecting rod are fixedly connected by a cross bar, and a push handle is connected to the middle position of the cross bar.

5. The switch cabinet leakage emergency protection processing device according to claim 4 is characterized in that: A magnet portion is fixedly provided at the end of the push handle, a ring body corresponding to the magnet portion is fixedly provided inside the box body, a coil is wound around the outside of the ring body, a first guide rod is fixedly provided inside the first through hole, and a second guide rod is fixedly provided inside the second through hole.

6. The switch cabinet leakage emergency protection processing device according to claim 5 is characterized in that: The upper surfaces of the first intermediate connecting seat and the second intermediate connecting seat are both provided with arc-shaped grooves, and one end of the first connecting rod and the second connecting rod is both provided with half-slots, and the lower half of the first connecting rod is slidably connected to the inside of the arc-shaped groove, and an elastic component is arranged between the side wall of the half-slot and the inner wall of the groove.

7. The switch cabinet leakage emergency protection processing device according to claim 6 is characterized in that: The elastic component is a spring, one end of which is fixedly connected to the side wall of the half notch, and the other end of which is fixedly connected to the inner side wall of the groove.

8. The switch cabinet leakage emergency protection processing device according to claim 7 is characterized in that: A limiting groove is provided on the inner side wall of the groove, and a convex strip is fixedly connected to the side wall of the first connecting rod, and the convex strip is slidably connected in the limiting groove.

9. The switch cabinet leakage emergency protection processing device according to claim 8 is characterized in that: The current anomaly trigger component includes an electronic control mainboard, and four diodes are arranged on the board surface of the electronic control mainboard. A thyristor is arranged on the board surface of the electronic control mainboard, and the thyristor is electrically connected to the four diodes, and the thyristor is electrically connected to the coil outside the ring body.

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