Leakage protection device for fire-fighting skill training simulating electrical fire scene

Abstract

The utility model provides an electric leakage protection device for fire extinguishing skill training of analog electric fire scene belongs to electric leakage protection technical field to solve the problem that the connecting structure is not firm enough, is easy to appear loose, leads to the electric leakage protection function failure, including box body, the one side of box body is provided with two groups of sliding insulating cylinder, sliding insulating cylinder and fixed insulating cylinder end all are fixedly arranged with fixed component, and the inside fixed setting of box body has power -off structure, and the top of box body is provided with box cover component, fixed component adopts the combined structure of insulating seat, conducting block, adjusting screw rod and insulating pressboard, through the knob of rotating adjusting screw rod, can make conducting block and external line close contact, simultaneously, the setting of antiskid conducting strip further improved the stability of connection, effectively prevented the line loose, the problem such as bad contact because of the movement or vibration of equipment in the training process, and make the line connection and the dismounting operation become simple and fast.

Description

Technical Field

[0001] This utility model belongs to the field of leakage current protection technology, and more specifically, it relates to a leakage current protection device for fire extinguishing skills training in simulated electrical fire scenarios. Background Technology

[0002] In the field of electrical safety, the prevention and emergency response to electrical fires have always been crucial. Therefore, improving the emergency response capabilities of relevant personnel for electrical fires, especially firefighting skills, has become a key requirement for ensuring electrical safety. In firefighting skills training equipment that simulates electrical fire scenarios, leakage protection devices are key components to ensure training safety.

[0003] During simulation training, electrical equipment needs to be moved and reconnected frequently, which requires the connection parts of the traditional leakage current protection device to have good stability and reliability. However, the connection structure of some traditional devices is not strong enough, and problems such as loosening and poor contact are prone to occur, which leads to the failure of the leakage current protection function and affects the normal progress of training. In addition, disassembly is relatively complicated, which is not convenient for maintenance and cannot meet the needs of frequent disassembly and adjustment of simulation training equipment. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a leakage current protection device for fire extinguishing skills training in simulated electrical fire scenarios, thereby resolving the issue raised in the background art where the connection structure is not robust enough, is prone to loosening, and leads to leakage current protection failure.

[0005] This utility model relates to a leakage current protection device for fire extinguishing skills training in a simulated electrical fire scenario, achieved through the following specific technical means: A leakage current protection device for fire extinguishing skills training simulating electrical fire scenarios includes a housing; two sets of sliding insulating cylinders are slidably arranged on one side of the housing, and two sets of fixed insulating cylinders are fixedly arranged on the other side of the housing, with a fixed plate fixedly arranged between the outer side of the two sets of fixed insulating cylinders and the inside of the housing; a conductive post A is fixedly arranged inside the sliding insulating cylinder, and a conductive post B is fixedly arranged inside the fixed insulating cylinder, with the end of the conductive post B slidably arranged inside the conductive post A; an annular iron core is fixedly arranged inside the housing, and the annular iron core is located between the outer sides of the two sets of fixed insulating cylinders, with a secondary winding wound around the outer side of the annular iron core; Both the sliding insulating cylinder and the fixed insulating cylinder are fixedly equipped with fixing components at their ends, and a power-off structure is fixedly installed inside the box body. A box cover assembly is installed on the top of the box body. Fixing seats are fixedly installed on both sides of the top of the box body. The fixing seats are arranged in a U-shape, and connecting holes are opened inside both sides of the fixing seats.

[0006] Furthermore, an electronic signal processing module and a control module are fixedly installed inside the housing, and the control module and the electronic signal processing module are electrically connected, and the electronic signal processing module and the secondary winding are electrically connected.

[0007] Furthermore, the fixing assembly includes: an insulating base, a conductive block, an adjusting screw, and an insulating pressure plate; the insulating base is fixedly disposed at the end of the sliding insulating cylinder and the end of the fixed insulating cylinder respectively; the conductive block is fixedly disposed inside the insulating base, and the conductive block is fixedly connected to conductive post A and conductive post B respectively; the adjusting screw is disposed inside the top side of the insulating base through a threaded connection, and a knob is fixedly disposed at the top of the adjusting screw; the insulating pressure plate is rotatably disposed at the bottom end of the adjusting screw, and the insulating pressure plate is slidably disposed inside the insulating base, and the insulating pressure plate is located above the conductive block.

[0008] Furthermore, the fixing component also includes: anti-slip conductive strips; the anti-slip conductive strips are respectively fixedly disposed on the outside of the conductive block and the insulating pressure plate, and the anti-slip conductive strips are arranged in a straight line.

[0009] Furthermore, the power-off structure includes: a guide post, a power-off plate, a metal block, an electromagnet, and a battery; the guide post is fixedly disposed between the fixed plate and the housing, and the guide post is hexagonal; the power-off plate is fixedly disposed between the outer sides of the two sets of sliding insulating cylinders, and the power-off plate is slidably disposed on the outer side of the guide post, and a spring is disposed between the outer side of the power-off plate and the top of the guide post; the metal block is fixedly disposed on both sides of the power-off plate; the electromagnet is fixedly disposed on both sides inside the housing, and the electromagnet and the metal block are located on the same axis; the battery is fixedly disposed inside the housing, and the battery and the electromagnet are electrically connected, and the battery is electrically connected to the control module.

[0010] Furthermore, the lid assembly includes: a lid plate, a locking seat, a locking block, and a positioning plate; the lid plate is movably disposed on the top of the box body; the locking seat is fixedly disposed on both sides of the lid plate, and the locking seat is slidably disposed inside the fixed seat; the locking block is slidably disposed inside both sides of the locking seat, and the bottom side of the end of the locking block is configured as a beveled structure; a spring is disposed between the locking block and the locking seat, and the locking block is slidably disposed inside the connecting hole; the positioning plate is fixedly disposed on the top of the locking block, and the positioning plate is slidably disposed inside the locking seat.

[0011] Compared with the prior art, the present invention has the following beneficial effects: 1. In this utility model, the toroidal iron core and secondary winding are used to monitor the current changes in the circuit in real time. Once a leakage occurs during training, the electronic signal processing module can quickly capture the abnormal signal from the secondary winding and transmit it to the control module. The control module controls the battery to supply power to the electromagnet, so that the power-off structure cuts off the circuit, thus building a reliable safety barrier for trainees, effectively avoiding electric shock accidents and secondary fires caused by leakage, and ensuring that fire extinguishing skills training in simulated electrical fire scenarios is conducted safely and orderly.

[0012] 2. In this utility model, the fixing component adopts a combination structure of an insulating base, a conductive block, an adjusting screw, and an insulating pressure plate. By rotating the knob on the adjusting screw, the pressure level of the insulating pressure plate can be precisely controlled, ensuring close contact between the conductive block and the external circuit. Simultaneously, the anti-slip conductive strip increases the friction between the conductive block, the insulating pressure plate, and the circuit, further improving the stability of the connection and effectively preventing problems such as loosening of the circuit or poor contact caused by equipment movement or vibration during training. Furthermore, it simplifies and speeds up the connection and disconnection of the circuit. Trainees only need to rotate the knob to fix or loosen the circuit without using complex tools, greatly saving time on training preparation and equipment adjustment.

[0013] 3. In this utility model, the box cover assembly adopts a cooperative structure of locking seat, locking block and positioning plate. The opening and locking of the cover can be realized by simple pressing and sliding operation, which facilitates the inspection and maintenance of the box interior, further simplifies the training process and improves training efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the internal structure of the box body of this utility model.

[0016] Figure 3 This is a schematic diagram of the power-off structure of this utility model.

[0017] Figure 4 This is a cross-sectional structural diagram of the sliding insulating cylinder, the fixed insulating cylinder, and the conductive column A of this utility model.

[0018] Figure 5 This is a structural schematic diagram of the box lid assembly of this utility model.

[0019] Figure 6 This is a schematic diagram of the position and structure of the metal block of this utility model.

[0020] In the diagram, the correspondence between component names and drawing numbers is as follows: 1. Box body; 101. Sliding insulating cylinder; 102. Conductive post A; 103. Fixed insulating cylinder; 104. Conductive post B; 105. Toroidal core; 106. Secondary winding; 107. Electronic signal processing module; 108. Control module; 109. Fixing plate; 1010. Fixing base; 1011. Connecting hole; 2. Fixing components; 201. Insulating base; 202. Conductive block; 203. Adjusting screw; 204. Insulating pressure plate; 205. Anti-slip conductive strip; 3. Power-off structure; 301. Guide column; 302. Power-off board; 303. Metal block; 304. Electromagnet; 305. Battery; 4. Box lid assembly; 401. Lid plate; 402. Locking seat; 403. Locking block; 404. Positioning plate. Detailed Implementation

[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0022] Example 1: As shown in the attached document Figure 1 To be continued Figure 6 As shown: This utility model provides a leakage current protection device for fire extinguishing skills training in a simulated electrical fire scenario, including a housing 1; two sets of sliding insulating cylinders 101 are slidably arranged on one side of the housing 1, and two sets of fixed insulating cylinders 103 are fixedly arranged on the other side of the housing 1, and a fixing plate 109 is fixedly arranged between the outer side of the two sets of fixed insulating cylinders 103 and the inside of the housing 1; a conductive post A102 is fixedly arranged inside the sliding insulating cylinder 101, and a conductive post B104 is fixedly arranged inside the fixed insulating cylinder 103, and the end of the conductive post B104 is slidably arranged inside the conductive post A102; an annular iron core 105 is fixedly arranged inside the housing 1, and the annular iron core 105 is located between the outer sides of the two sets of fixed insulating cylinders 103, and a secondary winding 106 is wound around the outer side of the annular iron core 105. In this embodiment, both the sliding insulating cylinder 101 and the fixed insulating cylinder 103 are fixedly provided with fixing components 2 at their ends, and a power-off structure 3 is fixedly provided inside the box body 1, and a box cover assembly 4 is provided on the top of the box body 1; fixing seats 1010 are fixedly provided on both sides of the top of the box body 1, and the fixing seats 1010 are U-shaped, and connecting holes 1011 are opened inside both sides of the fixing seats 1010; an electronic signal processing module 107 and a control module 108 are fixedly provided inside the box body 1, and the control module 108 and the electronic signal processing module 107 are electrically connected, and the electronic signal processing module 107 and the secondary winding 106 are electrically connected; the power-off structure 3 includes: a guide post 301, a power-off plate 302, a metal block 303, an electromagnet 304, and a battery 305; the guide post 301 is fixedly provided between the fixing plate 109 and the box body 1, and the guide post 301 is hexagonal; the power-off plate 302 is fixedly provided outside the two sets of sliding insulating cylinders 101. Between the sides, the power-off plate 302 is slidably disposed on the outside of the guide post 301, and a spring is provided between the outside of the power-off plate 302 and the top of the guide post 301; the metal block 303 is fixedly disposed on both sides of the power-off plate 302; the electromagnet 304 is fixedly disposed on both sides inside the box 1, and the electromagnet 304 and the metal block 303 are located on the same axis; the battery 305 is fixedly disposed inside the box 1, and the battery 305 and the electromagnet 304 are electrically connected, and the battery 305 is electrically connected to the control module 108; its specific function is to use the toroidal iron core 105 and the secondary winding 106 to monitor the current change in the circuit in real time; once a leakage occurs during the training process, the electronic signal processing module 107 can quickly capture the abnormal signal transmitted from the secondary winding 106 and transmit it to the control module 108; the control module 108 controls the battery 305 to supply power to the electromagnet 304, so that the power-off structure 3 cuts off the circuit, thus building a reliable safety line for the trainees.

[0023] Example 2: As shown in the attached document Figure 2 With appendix Figure 4As shown: Based on Embodiment 1, the fixing component 2 includes: an insulating base 201, a conductive block 202, an adjusting screw 203, an insulating pressure plate 204, and an anti-slip conductive strip 205; the insulating base 201 is fixedly disposed at the end of the sliding insulating cylinder 101 and the end of the fixed insulating cylinder 103 respectively; the conductive block 202 is fixedly disposed inside the insulating base 201, and the conductive block 202 is fixedly connected to the conductive post A102 and the conductive post B104 respectively; the adjusting screw 203 is threadedly disposed inside the top side of the insulating base 201, and a knob is fixedly disposed at the top of the adjusting screw 203; the insulating pressure plate 204 is rotatably disposed at the bottom end of the adjusting screw 203, and the insulating pressure plate 204 is slidably disposed on the insulating base 201. Inside 01, the insulating pressure plate 204 is located above the conductive block 202; the anti-slip conductive strips 205 are fixedly installed on the outside of the conductive block 202 and the insulating pressure plate 204, and the anti-slip conductive strips 205 are arranged in a straight line; its specific function is: the fixing component 2 adopts a combination structure of insulating base 201, conductive block 202, adjusting screw 203 and insulating pressure plate 204; by rotating the knob on the adjusting screw 203, the pressing degree of the insulating pressure plate 204 can be precisely controlled, so that the conductive block 202 is in close contact with the external line; at the same time, the setting of the anti-slip conductive strips 205 increases the friction between the conductive block 202 and the insulating pressure plate 204 and the line, further improving the stability of the connection.

[0024] Example 3: As shown in the attached document Figure 1 With appendix Figure 5 As shown: Based on Embodiment 1 and Embodiment 2, the lid assembly 4 includes: a cover plate 401, a locking seat 402, a locking block 403, and a positioning plate 404; the cover plate 401 is movably disposed on the top of the box body 1; the locking seat 402 is fixedly disposed on both sides of the cover plate 401, and the locking seat 402 is slidably disposed inside the fixed seat 1010; the locking block 403 is slidably disposed inside both sides of the locking seat 402, and the bottom side of the end of the locking block 403 is set as a beveled structure; a spring is disposed between the locking block 403 and the locking seat 402, and the locking block 403 is slidably disposed inside the connecting hole 1011; the positioning plate 404 is fixedly disposed on the top of the locking block 403, and the positioning plate 404 is slidably disposed inside the locking seat 402; its specific function is: the lid assembly 4 adopts the cooperative structure of the locking seat 402, the locking block 403, and the positioning plate 404, and the lid plate 401 can be opened and locked by simple pressing and sliding operations, which facilitates the inspection and maintenance of the inside of the box body 1.

[0025] The specific usage and function of this embodiment are as follows: In this invention, during use, the electrical lines that need to be connected to the leakage protection device are respectively connected to the sliding insulating cylinder 101 and the fixing component 2 at the end of the fixed insulating cylinder 103. Specifically, one end of the line is placed on the conductive block 202 inside the insulating base 201. The conductive block 202 has anti-slip conductive strips 205 arranged in a straight line on its outer side, which increases the friction and conductivity between the line and the conductive block 202. Then, the knob at the top of the adjusting screw 203 is rotated. The adjusting screw 203 is threaded into the top side of the insulating base 201. Rotating the knob will cause the adjusting screw 203 to move downwards, driving the rotating component 2 on the insulating base 201 to rotate downwards. The insulating pressure plate 204 at the bottom slides downward within the insulating base 201 until it firmly presses the wire, ensuring a secure connection. The other side of the wire is connected in the same way. During firefighting skills training simulating an electrical fire scenario, the leakage protection device automatically monitors the current in the circuit in real time. When leakage occurs due to wiring errors or insulation failure during training, the vector sum of the currents flowing through the two sets of conductive posts B104 will no longer be zero, causing an asymmetrical magnetic field to be generated inside the toroidal core 105. At this time, the secondary winding 106 wound around the outside of the core will generate an induced current due to electromagnetic induction. Its amplitude is proportional to the magnitude of the leakage current, thereby realizing real-time detection of leakage faults. The secondary winding 106 transmits the current signal to the electronic signal processing module 107. After analyzing and processing the signal, the electronic signal processing module 107 sends the instruction to the control module 108. The control module 108 immediately controls the battery 305 to supply power to the electromagnet 304. The electromagnet 304 generates a strong magnetic force, attracting the metal block 303 on the power-off plate 302, causing the power-off plate 302 to drive the sliding insulating cylinder 101 to slide rapidly, causing the conductive post A102 to disconnect from the conductive post B104, thereby cutting off the circuit and preventing leakage. To prevent further escalation of electrical accidents, the safety of trainees and the integrity of training equipment must be ensured. Pulling the positioning plate 404 will pull the locking block 403 out of the connecting hole 1011, allowing the cover plate 401 to be removed. When the cover plate 401 needs to be installed, the locking seat 402 slides into the fixing seat 1010, causing the fixing seat 1010 to press against the locking block 403. The locking block 403 slides into the locking seat 402 using the beveled end structure. When the bottom of the cover plate 401 is in contact with the top of the box 1, the spring element drives the locking block 403 to slide into the connecting hole 1011, thus fixing the cover plate 401. This facilitates the disassembly of the cover plate 401.

Claims

1. A leakage current protection device for fire extinguishing skills training simulating electrical fire scenarios, characterized in that, include: Box body (1); two sets of sliding insulating cylinders (101) are slidably arranged on one side of the box body (1), and two sets of fixed insulating cylinders (103) are fixedly arranged on the other side of the box body (1), and a fixed plate (109) is fixedly arranged between the outer side of the two sets of fixed insulating cylinders (103) and the inside of the box body (1); a conductive post A (102) is fixedly arranged inside the sliding insulating cylinder (101), and a conductive post B (104) is fixedly arranged inside the fixed insulating cylinder (103), and the end of the conductive post B (104) is slidably arranged inside the conductive post A (102); an annular iron core (105) is fixedly arranged inside the box body (1), and the annular iron core (105) is located between the outer sides of the two sets of fixed insulating cylinders (103), and a secondary winding (106) is wound around the outer side of the annular iron core (105). The sliding insulating cylinder (101) and the fixed insulating cylinder (103) are both fixedly provided with fixing components (2) at their ends, and the box body (1) is fixedly provided with a power-off structure (3) inside, and the box body (1) is provided with a box cover assembly (4) on the top; the top two sides of the box body (1) are fixedly provided with fixing seats (1010), and the fixing seats (1010) are set in a U shape, and the fixing seats (1010) are provided with connecting holes (1011) on both sides inside.

2. The leakage current protection device for fire extinguishing skills training in a simulated electrical fire scenario as described in claim 1, characterized in that: The box (1) is fixedly equipped with an electronic signal processing module (107) and a control module (108), and the control module (108) and the electronic signal processing module (107) are electrically connected, and the electronic signal processing module (107) and the secondary winding (106) are electrically connected.

3. The leakage current protection device for fire extinguishing skills training in a simulated electrical fire scenario as described in claim 1, characterized in that: The fixing component (2) includes: an insulating seat (201), a conductive block (202), an adjusting screw (203), and an insulating pressure plate (204); the insulating seat (201) is fixedly disposed at the end of the sliding insulating cylinder (101) and the end of the fixed insulating cylinder (103); the conductive block (202) is fixedly disposed inside the insulating seat (201), and the conductive block (202) is fixedly connected to the conductive post A (102) and the conductive post B (104) respectively; the adjusting screw (203) is disposed inside the top side of the insulating seat (201) by a threaded connection, and a knob is fixedly disposed at the top of the adjusting screw (203); the insulating pressure plate (204) is rotatably disposed at the bottom end of the adjusting screw (203), and the insulating pressure plate (204) is slidably disposed inside the insulating seat (201), and the insulating pressure plate (204) is located above the conductive block (202).

4. The leakage current protection device for fire extinguishing skills training in a simulated electrical fire scenario as described in claim 3, characterized in that: The fixing component (2) further includes: anti-slip conductive strips (205); the anti-slip conductive strips (205) are respectively fixed on the outside of the conductive block (202) and the insulating pressure plate (204), and the anti-slip conductive strips (205) are arranged in a straight line.

5. The leakage current protection device for fire extinguishing skills training in a simulated electrical fire scenario as described in claim 2, characterized in that: The power-off structure (3) includes: a guide post (301), a power-off plate (302), a metal block (303), an electromagnet (304), and a battery (305); the guide post (301) is fixedly disposed between the fixed plate (109) and the box (1), and the guide post (301) is hexagonal; the power-off plate (302) is fixedly disposed between the outer sides of the two sets of sliding insulating cylinders (101), and the power-off plate (302) is slidably disposed outside the guide post (301), and the power-off plate (302) A spring is provided between the outer side and the top of the guide post (301); a metal block (303) is fixedly installed on both sides of the power cut-off plate (302); an electromagnet (304) is fixedly installed on both sides inside the box (1), and the electromagnet (304) and the metal block (303) are located on the same axis; a battery (305) is fixedly installed inside the box (1), and the battery (305) and the electromagnet (304) are electrically connected, and the battery (305) is electrically connected to the control module (108).

6. The leakage current protection device for fire extinguishing skills training in a simulated electrical fire scenario as described in claim 1, characterized in that: The box cover assembly (4) includes: a cover plate (401), a locking seat (402), a locking block (403), and a positioning plate (404); the cover plate (401) is movably disposed on the top of the box body (1); the locking seat (402) is fixedly disposed on both sides of the cover plate (401), and the locking seat (402) is slidably disposed inside the fixed seat (1010); the locking block (403) is slidably disposed inside both sides of the locking seat (402), and the bottom side of the end of the locking block (403) is set as a beveled structure; a spring is disposed between the locking block (403) and the locking seat (402), and the locking block (403) is slidably disposed inside the connecting hole (1011); the positioning plate (404) is fixedly disposed on the top of the locking block (403), and the positioning plate (404) is slidably disposed inside the locking seat (402).

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