Safety distribution box with built-in electric leakage self-checking alarm structure

Abstract

The application discloses a safe distribution box with built-in electric leakage self-checking alarm structure and relates to the technical field of distribution boxes. The safe distribution box comprises a device shell one, two wooden racks and a device shell two. The top of the device shell one is provided with a sun shield. The top of the sun shield is provided with a flow guide groove. The bottom of the sun shield and the device shell one are provided with a heat exchange assembly. The heat exchange assembly comprises a liquid storage tank. The bottom of the liquid storage tank is fixedly provided with a plurality of heat conduction rods. The heat conduction rods are arranged at the top of the inner cavity of the device shell one. An internal controller controls a multifunctional loudspeaker to issue a danger alarm. An alarm lamp flashes. Only the conductive cable connected with the power line needs to be locally designed. Whether the electric leakage phenomenon exists in the device shell one can be monitored by using the alarm assembly for monitoring insects in the surrounding environment. The use cost of the electric leakage monitoring alarm is reduced. The discovery of electric leakage and leakage treatment is synchronized. The danger of the operation and construction of workers in the narrow device shell one is reduced.

Description

Technical Field

[0001] This invention relates to the field of distribution box technology, specifically a safety distribution box with a built-in leakage current self-detection alarm structure. Background Technology

[0002] Distribution boxes (or cable junction boxes) are key devices in power systems used for installing electrical equipment, distributing electrical energy, and protecting lines. They are widely used in residential areas, industrial plants, and outdoor power supply networks. With increasingly stringent requirements for electrical safety, distribution boxes not only need basic power distribution and overload protection functions, but also excellent protection against electric shock, heat dissipation, moisture resistance, and environmental adaptability to ensure long-term stable operation of the equipment and protect the personal safety of operators.

[0003] However, some distribution boxes currently on the market still have many shortcomings in actual use. For example, traditional distribution boxes mostly use natural ventilation or forced air cooling for heat dissipation. The airflow blows directly onto the electrical equipment or the heat-conducting structure directly contacts the electrical equipment, which can easily lead to loose connections or poor contact, and the heat dissipation efficiency is limited.

[0004] Chinese utility model patent (authorization announcement number CN214124718U) discloses a cable junction box with anti-electric shock performance. It uses wooden blocks and rubber pads to achieve insulation protection. At the same time, a water tank is set up to collect rainwater and conducts the heat generated by the switching equipment to the water tank for heat dissipation through a heat conduction rod.

[0005] Taking the aforementioned cable junction box as an example, during the heat dissipation process of the cable junction box, the heat-conducting rod is in direct contact with the switchgear. When the temperature fluctuates, the condensate generated on the surface of the heat-conducting rod will flow directly into the interior of the switchgear along the rod, reducing the insulation strength and increasing the risk of leakage. When the equipment casing is accidentally energized, it cannot be detected and warned to the operator in time, posing a risk of electric shock. Summary of the Invention

[0006] The purpose of this invention is to provide a safety distribution box with a built-in leakage current self-detection alarm structure to solve the problems raised in the prior art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a safety distribution box with a built-in leakage current self-detection alarm structure, comprising a first equipment shell, two wooden frames, and a second equipment shell. The first equipment shell has a sunshade on its top, with a flow guide groove on its top. A heat exchange assembly is disposed between the bottom of the sunshade and the first equipment shell. The heat exchange assembly includes a liquid storage tank, with multiple heat-conducting rods fixedly inserted into the bottom of the liquid storage tank. The heat-conducting rods are disposed at the top of the inner cavity of the first equipment shell, and water-receiving plates are disposed at the bottom of the multiple heat-conducting rods. An exhaust assembly is disposed on the outside of the water-receiving plates. An alarm assembly is disposed between the second equipment shell and the first equipment shell.

[0008] Preferably, the front and rear sides of the equipment housing are fixedly connected to two mounting brackets. Each mounting bracket has an internal threaded part on one side, and the internal threaded part is threadedly connected to the mounting bracket with a mounting bolt. The two wooden frames are respectively set on both sides of the equipment housing, and the internal threaded part is fixedly connected to the adjacent wooden frame.

[0009] Preferably, the liquid storage tank is fixedly installed on the top of the equipment shell, a cooling fin is fixedly installed on the top of the liquid storage tank, a second mounting bracket is provided on the outside of the cooling fin, the second mounting bracket is fixedly connected to the liquid storage tank, and a waste discharge pipe is fixedly connected to one side of the second mounting bracket.

[0010] Preferably, a heat-conducting frame is fixedly installed on the top of the second mounting bracket. Multiple flow guide pipes are fixedly connected to the sunshade on both sides of the heat-conducting frame. One end of each flow guide pipe is provided with an inclined groove, which is opened on the sunshade. A filter screen is provided inside the inclined groove and is fixedly connected to the sunshade. Both sides of the heat-conducting frame are fixedly connected to the adjacent first mounting bracket.

[0011] Preferably, the water receiving plate is fixedly installed inside the equipment housing, a drainage groove is provided on one side of the water receiving plate, the drainage groove is opened on the equipment housing, a solenoid valve is fixedly installed on the outside of the equipment housing, the water inlet end of the solenoid valve is connected to the drainage groove, and the water receiving plate is set in an arc shape.

[0012] Preferably, the exhaust assembly includes a three-way valve, an air pump, a second diversion box, and two first diversion boxes. The two first diversion boxes are respectively fixedly installed on both sides inside the equipment housing. Each first diversion box has multiple diversion holes on one side. The bottom of each first diversion box is fixedly connected to a second guide pipe. The second guide pipe is fixedly inserted into the equipment housing. The two second guide pipes are fixedly connected to a third guide pipe. The third guide pipe is located on the outside of the equipment housing. The second diversion box is located on one side of the water receiving plate. Each second diversion box has multiple second diversion holes on one side. A fifth guide pipe is fixedly installed between the second diversion box and the equipment housing.

[0013] Preferably, the three-way valve and the air pump are both fixedly installed on the outer side of the equipment housing. The bottom end of the guide pipe is fixedly connected to the air outlet end of the air pump. The air inlet end of the air pump is fixedly connected to the air outlet end of the three-way valve. A guide pipe is fixedly connected between the normally open end of the three-way valve and the guide pipe. An air inlet box is fixedly connected to the normally closed end of the three-way valve. Multiple filter screens are fixedly installed inside the air inlet box.

[0014] Preferably, the second device housing is fixedly installed at the bottom of the first device housing, and two connecting long slots are opened at the top of the second device housing and the bottom of the first device housing. Multiple inlet conduits are fixedly connected to the outside of the second device housing.

[0015] Preferably, the alarm assembly includes an alarm light, a conductive component, a multi-functional loudspeaker, a built-in controller, and a diverter box. The alarm light is fixedly installed on the outside of the first equipment housing, and the diverter box is fixedly installed on the outside of the second equipment housing. A filter screen is provided on one side of the diverter box, and the filter screen is fixedly installed through the second equipment housing. Multiple air intake bends are fixedly connected to the bottom of the diverter box. A filter screen and an electromagnetic coil structure are fixedly installed inside the air intake bends from top to bottom. The built-in controller is fixedly installed inside the second equipment housing.

[0016] Preferably, a mounting bracket three is fixedly connected between the multi-functional loudspeaker and the top of the inner cavity of the equipment housing two. The conductive component is fixedly installed inside the equipment housing one. A conductive cable is fixedly installed at the bottom of the conductive component. The bottom end of the conductive cable passes through one of the air intake bends and the filter screen four and electromagnetic coil structure fixedly installed inside the air intake bend. An annular groove is opened on the outside of the conductive cable. The annular groove is located inside the electromagnetic coil structure.

[0017] Compared with the prior art, the beneficial effects of the present invention are: 1. When this application is used, if leakage causes the electrical equipment casing or the casing to become energized, the vector sum of the currents passing through the electromagnetic coil structure will not be zero, a voltage will appear inside the electromagnetic coil structure, and the magnetic field inside the electromagnetic coil structure will fluctuate violently. The built-in controller controls the multi-functional loudspeaker to issue a danger alarm and the alarm light will flash. Only a local design is needed for the conductive cable connecting the wiring wire. The alarm component that detects insects in the surrounding environment can be used to monitor whether there is leakage inside the equipment casing. This reduces the cost of using leakage monitoring alarms and allows leakage detection and handling to be carried out simultaneously, reducing the danger of workers operating and constructing inside the confined equipment casing.

[0018] 2. When this application is used, the air pump delivers gas to the outside of multiple heat-conducting rods through the five guide pipes, the two distribution boxes, and the two distribution holes. After being cooled and slowed down by the multiple heat-conducting rods, the gas moves to the top of the inner cavity of the equipment shell. Due to the physical properties of hot air rising and cold air falling, the cold air falls naturally to cool the inside of the equipment shell. By controlling the exhaust component at a time, even if the air pump is controlled to increase the cooling rate inside the equipment shell, the electrical equipment installed inside the equipment shell will not be directly subjected to external forces. This avoids poor contact at the connection points of the electrical equipment installed inside the equipment shell due to heat dissipation and cooling, and reduces the adverse effects of heat dissipation and cooling inside the equipment shell.

[0019] 3. When this application is used, the built-in controller receives parameter changes from the electromagnetic coil structure in real time. The built-in controller controls the operation of the multi-functional loudspeaker. The multi-functional loudspeaker plays various ultrasonic waves in sequence. Based on the ultrasonic waves preset according to the common insects in the area where the safety distribution box is located, the insects are driven away, preventing the insects from nesting inside the air intake bend or even damaging the structure of the safety distribution box, thus ensuring the safety of the heat dissipation and ventilation structure of the safety distribution box. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the installation structure of the sunshade and the equipment housing of the present invention; Figure 3 for Figure 2 Enlarged view of the structure at point A; Figure 4 This is a schematic diagram of the structure of the sunshade of the present invention; Figure 5 This is a partial structural schematic diagram of the sunshade of the present invention; Figure 6 This is a schematic diagram of the structure of the mounting bracket 2 of the present invention; Figure 7 This is a schematic diagram of the structure of the outer casing of the device of the present invention; Figure 8 for Figure 7 Enlarged view of the structure at point B; Figure 9 This is a schematic diagram of the structure of the flow divider box of the present invention; Figure 10 This is a schematic diagram of the structure of the flow divider box II of the present invention; Figure 11 This is a cross-sectional view of the air intake box of the present invention; Figure 12 This is a cross-sectional view of the outer casing of the device of the present invention; Figure 13 This is a cross-sectional view of the intake bend of the present invention.

[0021] The diagram is labeled as follows: 1. Equipment casing 1; 2. Mounting bracket 1; 3. Sunshade; 4. Flow guide channel; 5. Mounting bolt; 6. Wooden frame; 7. Internal threaded component; 8. Heat conduction frame; 9. Flow guide pipe component 1; 10. Inclined trough; 11. Filter screen component 1; 12. Liquid storage tank; 13. Mounting bracket 2; 14. Waste discharge pipe; 15. Cooling element; 16. Heat conduction rod; 17. Water receiving plate; 18. Solenoid valve; 19. Drainage trough; 20. Diversion box 1; 21. Diversion hole 1; 22. Flow guide pipe component 2; 23. Flow guide pipe component 3; 24. Flow guide pipe component 4. 25. Three-way valve; 26. Air pump; 27. Flow guide pipe fitting five; 28. Flow divider box two; 29. ​​Flow divider hole two; 30. Air inlet box; 31. Filter screen fitting two; 32. Connecting long slot; 33. Equipment shell two; 34. Flow divider box three; 35. Filter screen fitting three; 36. Air inlet bend; 37. Filter screen fitting four; 38. Electromagnetic coil structure; 39. Built-in controller; 40. Mounting bracket three; 41. Multifunctional loudspeaker; 42. Conductive cable; 43. Annular groove; 44. Conductive component; 45. Inlet conduit; 46. Alarm light. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Example: Figures 1-13 As shown, the present invention provides a safety distribution box with a built-in leakage self-detection alarm structure, including a device housing 1, two wooden frames 6 and a device housing 2 33. A sunshade 3 is provided on the top of the device housing 1, and a guide groove 4 is provided on the top of the sunshade 3. A heat exchange assembly is provided between the bottom of the sunshade 3 and the device housing 1. The heat exchange assembly includes a liquid storage tank 12. Multiple heat-conducting rods 16 are fixedly inserted into the bottom of the liquid storage tank 12. The heat-conducting rods 16 are located at the top of the inner cavity of the device housing 1. A water receiving plate 17 is provided at the bottom of the multiple heat-conducting rods 16. An exhaust assembly is provided on the outside of the water receiving plate 17. An alarm assembly is provided between the device housing 2 33 and the device housing 1.

[0024] Specifically, such as Figure 1 , Figure 2 and Figure 3Two wooden frames 6 are respectively set on both sides of the equipment shell 1. The front and rear sides of the equipment shell 1 are fixedly connected to the sunshade 3. There are two mounting brackets 2. One side of the mounting bracket 2 is provided with an internal threaded part 7. The internal threaded part 7 is threadedly connected to the mounting bracket 2 with a mounting bolt 5. The internal threaded part 7 is fixedly connected to the adjacent wooden frame 6. The internal threaded part 7 is installed to one side of the equipment shell 1 by the mounting bolt 5, and the internal threaded part 7 can be quickly installed and disassembled.

[0025] Specifically, such as Figure 1 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The liquid storage tank 12 is fixedly installed on the top of the equipment shell 1. The liquid storage tank 12 contains heat-conducting liquid. The cooling end of the cooling plate 15 fixedly installed on the top of the liquid storage tank 12 is located inside the liquid storage tank 12. The operation of the cooling plate 15 is controlled to cool the heat-conducting liquid inside the liquid storage tank 12. Multiple heat-conducting rods 16 fixedly installed on the bottom of the liquid storage tank 12 have good thermal conductivity and cool the liquid storage tank 12. The mounting bracket 13 on the outside of the cooling plate 15 is fixedly connected to the liquid storage tank 12. The top surface of the liquid storage tank 12 and the bottom surface of the mounting bracket 13 are both set as inclined surfaces. The top of the cooling plate 15 is a smooth inclined surface. The liquid generated by condensation on the top of the cooling plate 15 due to the large temperature difference with the air slides down to the lowest point of the top surface of the liquid storage tank 12. The waste pipe 14 fixedly connected to one side of the mounting bracket 13 is connected to the lowest point of the top surface of the liquid storage tank 12. The liquid generated by condensation is discharged through the waste pipe 14 to avoid water accumulation on the top of the cooling plate 15, which will affect the service life of the cooling plate 15.

[0026] A heat-conducting frame 8 is fixedly installed on the top of the mounting bracket 2 13. Multiple guide pipes 9 are fixedly connected to the sunshade 3 on both sides of the heat-conducting frame 8. An inclined groove 10 is provided at one end of each guide pipe 9 and is opened on the sunshade 3. A filter screen 11 is installed inside the inclined groove 10 and fixedly connected to the sunshade 3. A guide channel 4 is opened at the top of the sunshade 3. The top of the filter screen 11 is curved, keeping the bottom of the guide channel 4 smooth. Rainwater falling into the guide channel 4 at the top of the sunshade 3 is filtered by the curved surface. The sunshade 3 guides the water flow to the inclined trough 10. Some clean rainwater enters the inclined trough 10 after passing through the filter screen 11. The clean rainwater eventually enters the heat conduction frame 8 for storage through the guide pipe 9. The sunshade 3 and multiple guide pipes 9 work together to collect and store clean rainwater inside the heat conduction frame 8. Debris and impurities remain on the curved and smooth surface. Under the push of gravity and subsequent rainwater, the debris and impurities leave the top of the sunshade 3, ensuring that the inside of the guide trough 4 is clean and avoiding clogging of the filter screen 11, thus ensuring the stability of rainwater collection.

[0027] Both sides of the heat conduction frame 8 are fixedly connected to the adjacent mounting frame 2, so that the heat conduction frame 8 can work stably.

[0028] The water receiving plate 17 is fixedly installed inside the equipment housing 1. The water receiving plate 17 is located at the bottom of multiple heat-conducting rods 16. Water droplets that condense on the outside of the heat-conducting rods 16 fall onto the top of the water receiving plate 17. The recessed water receiving plate 17 stores water. A drainage trough 19 is provided on one side of the water receiving plate 17 and is opened on the equipment housing 1. The drainage trough 19 guides the water on the top of the water receiving plate 17. The inlet end of the solenoid valve 18 fixedly installed on the outside of the equipment housing 1 is connected to the drainage trough 19. By controlling the solenoid valve 18 to work and open, the water stored on the top of the water receiving plate 17 can be discharged into the equipment housing 1. Both diversion boxes 20 are fixedly installed inside the equipment housing 1. The water receiving plate 17 is set in an arc shape.

[0029] Specifically, such as Figure 1 , Figure 7 , Figure 9 , Figure 10 and Figure 11 In the exhaust assembly, two diversion boxes 20 are fixedly installed on both sides inside the equipment shell 1. Multiple diversion holes 21 are opened on one side of the diversion box 20. The multiple diversion holes 21 allow the diversion box 20 to draw air from multiple positions inside the equipment shell 1. The bottom of each diversion box 20 is fixedly connected to a guide pipe 22. The guide pipe 22 is fixedly inserted into the equipment shell 1. A guide pipe 3 23 is fixedly connected between the two guide pipes 22 and is located on the outside of the equipment shell 1. The guide pipe 3 23 and the two guide pipes 22 cooperate to connect the interior of the two diversion boxes 20. Diversion box 28 is located on one side of the water receiving plate 17. Multiple diversion holes 29 on one side of diversion box 28 completely cover one side of the water receiving plate 17. A guide pipe 5 27 is fixedly installed between diversion box 28 and equipment shell 1, and the guide pipe 5 27 fixes the position of diversion box 28.

[0030] Both the three-way valve 25 and the air pump 26 are fixedly installed on the outside of the equipment housing 1. The bottom end of the guide pipe 27 is fixedly connected to the air outlet of the air pump 26, and the air inlet of the air pump 26 is fixedly connected to the air outlet of the three-way valve 25. The normally open end of the three-way valve 25 is fixedly connected to the guide pipe 23 by a guide pipe 24. Therefore, when the air pump 26 is controlled to work, the air pump 26 draws air from the inside of the equipment housing 1 through the guide pipe 24, the guide pipe 23, the two guide pipes 22, the two diversion boxes 20, and the multiple diversion holes 21. The two diversion boxes 20 are set on both sides inside the equipment housing 1 for air drawing.

[0031] The normally closed end of the three-way valve 25 is fixedly connected to the air intake box 30, which has multiple filter screens 31 fixedly installed inside. The multiple filter screens 31 have the effect of filtering and purifying the air.

[0032] Specifically, such as Figure 1 , Figure 2 , Figure 12 and Figure 13 The second equipment housing 33 is fixedly installed at the bottom of the first equipment housing 1. Two connecting long slots 32 are opened at the top of the second equipment housing 33 and the bottom of the first equipment housing 1. Multiple inlet conduits 45 are fixedly connected to the outside of the second equipment housing 33. The multiple inlet conduits 45 and the four connecting long slots 32 are used for arranging cables. The connecting long slots 32 serve to connect the inside of the first equipment housing 1 and the inside of the second equipment housing 33.

[0033] In the alarm assembly, the alarm light 46 is fixedly installed on the outside of the equipment housing 1. In the alarm assembly, the diversion box 34 is fixedly installed on the outside of the equipment housing 23. The filter screen 35 on one side of the diversion box 34 is fixedly installed on the equipment housing 23. The filter screen 35 filters the air entering the equipment housing 23. The bottom of the diversion box 34 is fixedly connected to multiple air intake bends 36. The air intake bends 36 are L-shaped. Inside the air intake bends 36, from top to bottom, a filter screen 47 and an electromagnetic coil structure 38 are fixedly installed. Outside air needs to move upward inside the air intake bends 36 and be filtered by the filter screen 47 and the filter screen 35 before it can enter the equipment housing 23. During the heat dissipation process of the diversion box 34 and the multiple air intake bends 36, dust and impurities cannot enter the equipment housing 23 through the air intake bends 36.

[0034] A mounting bracket 40 is fixedly connected between the multi-functional loudspeaker 41 and the top of the inner cavity of the equipment housing 2 33. The conductive component 44 is fixedly installed inside the equipment housing 1. The bottom end of the conductive cable 42 fixedly installed at the bottom of the conductive component 44 passes through one of the air intake bends 36 and the filter screen 4 37 and the electromagnetic coil structure 38 fixedly installed inside the air intake bend 36. The bottom end of the conductive cable 42 is connected to the grounding terminal. An annular groove 43 is opened on the outside of the conductive cable 42 and is located inside the electromagnetic coil structure 38.

[0035] In summary, the safety distribution box is composed of equipment housing 1, two wooden frames 6, equipment housing 2 33, sunshade 3, heat exchange components, exhaust components, alarm components, etc. The working principle of the safety distribution box is as follows: After rainwater falls into the guide channel 4, it is guided by the arc-shaped sunshade 3 to the inclined channel 10. Some clean rainwater enters the inclined channel 10 after passing through the filter screen 11. The clean rainwater finally enters the heat conduction frame 8 through the guide pipe 9 for storage. The sunshade 3 and multiple guide pipes 9 work together to collect and store clean rainwater inside the heat conduction frame 8. Debris and impurities remain on the arc-shaped smooth surface. Under the push of gravity and subsequent rainwater, the debris and impurities leave the top of the sunshade 3, ensuring that the inside of the guide channel 4 is clean. The sunshade 3, which plays the role of sunshade protection, collects clean rainwater and prevents impurities from accumulating inside the heat conduction frame 8 and losing its effectiveness. The heat conduction frame 8, made of heat-conducting material, absorbs the heat dissipated by the cooling plate 15. The large area of ​​the heat conduction frame 8 spreads the heat thinly, increasing the heat dissipation speed of the cooling plate 15. The heat conduction frame 8 further increases the heat dissipation effect after collecting clean rainwater, making efficient use of rainwater. The cooling plate 15 is protected by the heat conduction frame 8 and the mounting bracket 13 to prevent the cooling plate 15 from being damaged by external forces and to ensure the service life of the cooling plate 15.

[0036] The cooling coil 15 is controlled to work to cool the heat-conducting liquid inside the liquid storage tank 12. Multiple heat-conducting rods 16 fixedly inserted at the bottom of the liquid storage tank 12 have good thermal conductivity. The heat-conducting rods 16 cool the top of the inner cavity of the equipment shell 1. By utilizing the physical property that hot air rises and cold air falls, heat is dissipated inside the equipment shell 1. The water receiving plate 17 collects and stores the liquid generated by condensation, reducing the increase in humidity caused by heat dissipation inside the equipment shell 1.

[0037] The built-in controller 39 controls the air pump 26 to work for a period of time. The air pump 26 draws air from inside the equipment casing 1 through the four guide pipes 24, the three guide pipes 23, the two two guide pipes 22, the two distribution boxes 20, and the multiple distribution holes 21. The two distribution boxes 20 are located on both sides inside the equipment casing 1. The middle of the inner cavity of the equipment casing 1 is used to install electrical equipment. Therefore, air is drawn from multiple locations on both sides of the electrical equipment to extract and discharge the heat generated by the electrical equipment, thus efficiently dissipating heat from the electrical equipment installed inside the equipment casing 1. The hot air exchanges heat with the outside air during its movement inside the three guide pipes 23. The air pump 26 draws air from inside the equipment casing 1 through the guide pipes 24, the two two guide pipes 23, the two two distribution boxes 20, and the two two distribution holes 21. 27. The distribution box 28 and multiple distribution holes 29 deliver gas to the outside of multiple heat-conducting rods 16. After being cooled and slowed down by the multiple heat-conducting rods 16, the gas moves to the top of the inner cavity of the equipment shell 1. Due to the physical property that hot air rises and cold air falls, the cold air falls naturally to cool the inside of the equipment shell 1. By controlling the exhaust component at a time, even if the air pump 26 is controlled to work to increase the cooling rate inside the equipment shell 1, the electrical equipment installed inside the equipment shell 1 will not be directly subjected to external force. This avoids poor contact at the connection points of the electrical equipment installed inside the equipment shell 1 due to heat dissipation and cooling, and reduces the adverse effects of heat dissipation and cooling inside the equipment shell 1.

[0038] Furthermore, filter element 35 filters the air entering the equipment housing 2 33. Outside air needs to rise inside the air intake bend 36 and be filtered by filter element 4 37 and filter element 35 before entering the equipment housing 2 33. During the heat dissipation process of the distribution box 3 34 and multiple air intake bends 36, dust and impurities cannot enter the equipment housing 2 33 through the air intake bends 36. The electromagnetic coil structure 38 constructs a stable magnetic field inside the air intake bend 36. When insects (especially organisms with magnetic fields or of sufficient size) enter the magnetic field... The internal magnetic field is disturbed, causing slight changes in electrical parameters such as magnetic flux or inductance of the coil. The built-in controller 39 receives the parameter changes in real time from the electromagnetic coil structure 38. The built-in controller 39 controls the operation of the multi-functional loudspeaker 41. The multi-functional loudspeaker 41 plays various ultrasonic waves in sequence. Based on the ultrasonic waves preset according to the common insects in the area where the safety distribution box is located, the insects are driven away, preventing the insects from nesting inside the air intake bend 36 or even damaging the structure of the safety distribution box, thus ensuring the safety of the heat dissipation and ventilation structure of the safety distribution box.

[0039] Furthermore, the conductive ports on both sides of the conductive component 44 are in contact with the electrical equipment casing and the inner wall of the equipment casing-1, respectively. When the electrical equipment casing or equipment casing-1 becomes energized due to leakage, the conductive cable 42 guides the fault current on the electrical equipment casing or equipment casing-1 to the ground. The conductive cable 42 reduces the risk of leakage when workers are operating inside the safety distribution box. The conductive cable 42 passes through one of the electromagnetic coil structures 38, and the annular groove 43 on the outer side of the conductive cable 42 is located inside the electromagnetic coil structure 38. When the electrical equipment casing or equipment casing-1 becomes energized due to leakage... This causes the vector sum of the currents passing through the electromagnetic coil structure 38 to be non-zero, resulting in a voltage inside the electromagnetic coil structure 38. The magnetic field inside the electromagnetic coil structure 38 fluctuates violently and continuously. The built-in controller 39 controls the multi-functional loudspeaker 41 to issue a danger alarm, and the alarm light 46 flashes. Only a local design is needed for the conductive cable 42 that connects to the power supply. The alarm component that detects insects in the surrounding environment can be used to monitor whether there is a leakage inside the equipment shell 1, reducing the cost of using the leakage monitoring alarm. The detection and handling of leakage can be carried out simultaneously, reducing the danger of workers operating and constructing inside the confined equipment shell 1.

[0040] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A safety distribution box with a built-in leakage current self-test alarm structure, comprising a first equipment casing (1), two wooden frames (6), and a second equipment casing (33), characterized in that: The top of the first equipment housing (1) is provided with a sunshade (3), and the top of the sunshade (3) is provided with a flow guide groove (4). A heat exchange assembly is provided between the bottom of the sunshade (3) and the first equipment housing (1). The heat exchange assembly includes a liquid storage tank (12). Multiple heat-conducting rods (16) are fixedly inserted at the bottom of the liquid storage tank (12). The heat-conducting rods (16) are located at the top of the inner cavity of the first equipment housing (1). A water receiving plate (17) is provided at the bottom of the multiple heat-conducting rods (16). An exhaust assembly is provided on the outside of the water receiving plate (17). An alarm assembly is provided between the second equipment housing (33) and the first equipment housing (1).

2. The safety distribution box with a built-in leakage current self-detection alarm structure according to claim 1, characterized in that: The front and rear sides of the equipment housing (1) are fixedly connected to the sunshade (3) by two mounting brackets (2). One side of the mounting bracket (2) is provided with an internal threaded part (7). The internal threaded part (7) is threadedly connected to the mounting bracket (2) by a mounting bolt (5). The two wooden frames (6) are respectively set on both sides of the equipment housing (1). The internal threaded part (7) is fixedly connected to the adjacent wooden frame (6).

3. The safety distribution box with a built-in leakage current self-detection alarm structure according to claim 1, characterized in that: The liquid storage tank (12) is fixedly installed on the top of the equipment shell (1). A cooling plate (15) is fixedly installed on the top of the liquid storage tank (12). A mounting bracket (13) is provided on the outside of the cooling plate (15). The mounting bracket (13) is fixedly connected to the liquid storage tank (12). A waste discharge pipe (14) is fixedly connected to one side of the mounting bracket (13).

4. The safety distribution box with a built-in leakage current self-detection alarm structure according to claim 3, characterized in that: The top of the mounting bracket 2 (13) is fixedly installed with a heat conduction bracket (8). Both sides of the heat conduction bracket (8) are fixedly connected to the sunshade (3) with multiple flow guide pipes (9). One end of the flow guide pipe (9) is provided with a slanted groove (10). The slanted groove (10) is opened on the sunshade (3). The slanted groove (10) is provided with a filter screen (11) inside the slanted groove (10). The filter screen (11) is fixedly connected to the sunshade (3). Both sides of the heat conduction bracket (8) are fixedly connected to the adjacent mounting bracket 1 (2).

5. The safety distribution box with a built-in leakage current self-detection alarm structure according to claim 1, characterized in that: The water receiving plate (17) is fixedly installed inside the equipment housing (1). A drainage groove (19) is provided on one side of the water receiving plate (17). The drainage groove (19) is opened on the equipment housing (1). A solenoid valve (18) is fixedly installed on the outside of the equipment housing (1). The water inlet end of the solenoid valve (18) is connected to the drainage groove (19). The water receiving plate (17) is set in an arc shape.

6. The safety distribution box with a built-in leakage current self-detection alarm structure according to claim 1, characterized in that: The exhaust assembly includes a three-way valve (25), an air pump (26), a second diversion box (28), and two first diversion boxes (20). The two first diversion boxes (20) are fixedly installed on both sides inside the equipment housing (1). One side of the first diversion box (20) has multiple diversion holes (21). The bottom of the two first diversion boxes (20) is fixedly connected to a second diversion pipe (22). The second diversion pipe (22) is fixedly installed on the equipment housing (1). The two second diversion pipes (22) are fixedly connected to a third diversion pipe (23). The third diversion pipe (23) is located on the outside of the equipment housing (1). The second diversion box (28) is located on one side of the water receiving plate (17). One side of the second diversion box (28) has multiple diversion holes (29). The second diversion box (28) is fixedly installed between the second diversion box (28) and the equipment housing (1).

7. The safety distribution box with a built-in leakage current self-detection alarm structure according to claim 6, characterized in that: The three-way valve (25) and the air pump (26) are both fixedly installed on the outside of the equipment housing (1). The bottom end of the guide pipe (27) is fixedly connected to the air outlet of the air pump (26). The air inlet of the air pump (26) is fixedly connected to the air outlet of the three-way valve (25). The normally open end of the three-way valve (25) is fixedly connected to the guide pipe (23) by a guide pipe (24). The normally closed end of the three-way valve (25) is fixedly connected to an air inlet box (30). Multiple filter screens (31) are fixedly installed inside the air inlet box (30).

8. The safety distribution box with a built-in leakage current self-detection alarm structure according to claim 1, characterized in that: The second equipment housing (33) is fixedly installed at the bottom of the first equipment housing (1). Two long slots (32) are opened at the top of the second equipment housing (33) and the bottom of the first equipment housing (1). Multiple inlet conduits (45) are fixedly connected to the outside of the second equipment housing (33).

9. The safety distribution box with a built-in leakage current self-detection alarm structure according to claim 1, characterized in that: The alarm assembly includes an alarm light (46), a conductive component (44), a multi-functional loudspeaker (41), a built-in controller (39), and a diversion box three (34). The alarm light (46) is fixedly installed on the outside of the first (1) housing of the equipment. The diversion box three (34) is fixedly installed on the outside of the second (33) housing of the equipment. A filter screen three (35) is provided on one side of the diversion box three (34). The filter screen three (35) is fixedly installed on the second (33) housing of the equipment. Multiple air inlet bends (36) are fixedly connected to the bottom of the diversion box three (34). A filter screen four (37) and an electromagnetic coil structure (38) are fixedly installed inside the air inlet bends (36) from top to bottom. The built-in controller (39) is fixedly installed inside the second (33) housing of the equipment.

10. The safety distribution box with a built-in leakage current self-detection alarm structure according to claim 9, characterized in that: The multi-functional loudspeaker (41) is fixedly connected to the top of the inner cavity of the second (33) of the equipment housing. The conductive component (44) is fixedly installed inside the first (1) of the equipment housing. A conductive cable (42) is fixedly installed at the bottom of the conductive component (44). The bottom end of the conductive cable (42) passes through one of the air inlet bends (36) and the filter screen (37) and electromagnetic coil structure (38) fixedly installed inside the air inlet bend (36). An annular groove (43) is opened on the outside of the conductive cable (42). The annular groove (43) is set inside the electromagnetic coil structure (38).

Images