A box group type electric energy metering box

Abstract

The application relates to the technical field of electric power metering equipment, in particular to a box group type electric energy metering box, an electric energy metering box body, a dust removal and dehumidification assembly fixedly arranged on the top of the electric energy metering box body, and an air inlet pipe fixedly arranged on both ends of the dust removal and dehumidification assembly. External air penetrates the rotating dustproof net to play a filtering role, then enters the inner wall of the air inlet box through the air vent and the air inlet pipe, then penetrates the dehumidification net to be dehumidified, and then is transported to the inside of the electric energy metering box body by the air inlet fan to be radiated. Through the rotation of the dustproof net and the transmission of the dehumidification net, the dustproof net can be cleaned on line by cooperating with the cleaning liquid in the liquid storage tank, meanwhile, the dehumidification net is separated from the water evaporation in the air inlet box and is taken away by the air, so that the self-cleaning of the dustproof net and the self-drying of the dehumidification net are realized.

Description

Technical Field

[0001] This invention relates to the field of power metering equipment technology, specifically a box-type power metering box. Background Technology

[0002] Box-type power metering boxes are core equipment widely used in outdoor power distribution systems. They can integrate multiple independent power metering units to achieve centralized metering management for multiple users, and have the advantages of compact structure, convenient installation, and high management efficiency. Outdoor-installed metering boxes need to face complex environments such as dust, rain, snow, and high humidity. Therefore, dustproof and moisture-proof performance is a core indicator to ensure the accuracy of metering elements and extend the service life of the equipment.

[0003] For example, CN121216279B provides a box-type electricity metering box, which includes a metering box body and a lifting and fixing frame. The inner wall of the lifting and fixing frame is provided with a second sliding groove, which passes through the lifting and fixing frame. A cross-ventilation cooling fan is slidably installed on the inner wall of the second sliding groove. An air inlet is provided on the side wall of the cross-ventilation cooling fan. A horizontal cleaning brush and a vertical cleaning brush are fixedly connected to the outer wall of the cross-ventilation cooling fan. The beneficial effect of this invention is that the vertical cleaning brush performs horizontal left and right sweeping operation on the inner wall of multiple ventilation slots opened on the mounting frame for installing the electricity meter. During the sweeping process, the two vertical cleaning brushes brush each corner of the ventilation slots with a wave sweeping trajectory during the upward movement. The horizontal cleaning brush on the outer wall of the cross-ventilation cooling fan can brush the ventilation slots from bottom to top in the vertical direction. The up and down brushing further cleans the ventilation slots more evenly.

[0004] However, in actual use, the aforementioned technologies lack dust removal and dehumidification structures at the air inlet. Many existing electricity metering boxes with dustproof structures use fixed dust filters, which are prone to dust accumulation and blockage after long-term use, leading to a decrease in the box's heat dissipation capacity. Furthermore, cleaning and maintenance require opening the box and disassembling the filter, which is not only cumbersome and labor-intensive, but also leaves the ventilation openings unprotected during cleaning, allowing dust and insects to easily enter the box and affect the safety of the metering equipment. At the same time, existing moisture-proof structures mostly use fixed moisture-absorbing boxes and moisture-absorbing cotton, which need to be opened and replaced after the moisture-absorbing material becomes saturated, resulting in high maintenance costs. Summary of the Invention

[0005] The purpose of this invention is to provide a box-type electricity metering box to solve the problems of fixed dustproof and moisture-absorbing structures requiring opening the box and stopping the machine for maintenance, which is cumbersome and involves a large amount of maintenance work.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a box-type electricity metering box, comprising: The main body of the electricity metering box has an air inlet box fixedly embedded in its top, an air inlet fan fixedly embedded in its bottom, and a dust removal and dehumidification component fixedly installed on its top. The dust removal and dehumidification assembly includes air inlet pipes fixedly embedded at both ends of the air inlet box. Multiple ventilation holes are provided on the side wall of the middle part of the air inlet pipe. Drive rings are rotatably provided on the two ends of the air inlet pipe corresponding to the drive ring positions. A dustproof net is fixed between the two drive rings so that the air passage position is changed by rotating the dustproof net. Outside air is filtered by the dustproof net and enters the air inlet box through the ventilation holes and the air inlet pipe. A dehumidification net is movably provided on the surface of the dustproof net and moves through the air inlet box so that the air in the air inlet box passes through the dehumidification net for moisture absorption treatment before being transported to the main body of the power metering box by the air inlet fan. A self-cleaning component is installed at the bottom of the dustproof net, and the self-cleaning component includes a liquid storage tank fixedly embedded in the top of the air inlet box. The liquid storage tank has a top-opening structure, and the dustproof net is rotatably connected to the top of the liquid storage tank. The liquid storage tank contains cleaning liquid, and the liquid level of the cleaning liquid submerges the bottom of the dustproof net. A brush is movably installed inside the liquid storage tank so that the dustproof net can be cleaned in conjunction with the cleaning liquid when it rotates.

[0007] Preferably, the middle part of the power metering box body is a straight tube structure, and the ventilation hole is located inside the dustproof net. The dustproof net is provided with steel wires to maintain the round tube shape of the dustproof net. The dehumidifying net is tightly attached to the top of the air intake fan so that when the air intake fan delivers air, the air passes through the dehumidifying net to achieve the dehumidification step. The surface of the air intake box is fixedly connected to a guide shell, and the dehumidifying net is drivenly connected to the surface of the guide shell.

[0008] Preferably, a threaded rod is rotatably connected to the middle of the liquid storage tank via a bearing. A threaded tube is threadedly connected to the surface of the threaded rod. A movable seat is fixedly connected to the surface of the threaded tube. The top of the movable seat is an arc-shaped hollow structure with a notch. A magnet is rotatably connected to the inner wall of the movable seat. A brush is fixedly connected to the inner wall of the magnet at the position corresponding to the notch of the movable seat. Multiple protrusions are fixedly connected to the inner wall of the magnet at the position corresponding to the brush, and the protrusions and brush are arranged alternately.

[0009] Preferably, two baffles are fixedly connected to the surface of the air inlet pipe, and the two baffles correspond to the two ends of the liquid storage tank respectively, so as to prevent the cleaning fluid from leaving the liquid storage tank when the dust screen rotates.

[0010] Preferably, a magnetic ball is movably connected to the inner wall of the dustproof net corresponding to the position of the magnetic sheet, and the magnetic ball is a spherical structure with multiple protrusions on its surface. The magnetic ball and the magnetic sheet are magnetically attracted to each other, so that when the threaded rod rotates and the threaded tube drives the movable seat to move, the movable seat drives the magnetic ball to move irregularly on the inner wall of the dustproof net through the magnetic sheet, and the protrusions on the surface of the magnetic ball cooperate with the convex strips to strike the dustproof net to improve the cleaning effect of the brush.

[0011] Preferably, the inner wall of the liquid storage tank is fixedly connected with a guide strip. One end of the guide strip is cylindrical, and the other end is a straight plate. A first drive groove is provided at one end of the straight plate of the guide strip. There are two guide strips, and they are symmetrically arranged. A first drive rod is fixedly connected to the bottom of the magnet corresponding to the position of the first drive groove. When the movable seat drives the magnet to move along the direction of the threaded rod, the magnet drives the first drive rod to move on the inner wall of the first drive groove. This causes the first drive groove to work with the first drive rod to drive the magnet to swing back and forth on the inner wall of the movable seat. A guide hole is provided on the side wall of the movable seat corresponding to the position of the guide strip, and the inner wall of the guide hole is movably inserted into the guide strip. One end of the liquid storage tank is provided with an inlet pipe and an outlet pipe. The threaded rod is driven by a forward and reverse servo motor.

[0012] Preferably, it further includes a drive assembly for driving the drive ring to rotate. The drive assembly includes a transmission bar fixedly connected to both ends of the dehumidification mesh. The inner wall of the transmission bar and the surface of the drive ring are provided with matching teeth so that the drive ring drives the transmission bar to rotate. The guide shell and the air inlet box are provided with a guide groove at one end corresponding to the position of the transmission bar. The transmission bar is connected to the inner wall of the guide groove so that the guide groove guides the transmission of the transmission bar.

[0013] Preferably, the threaded rod movably passes through the liquid storage tank and is rotatably connected to one end of the air inlet box via a bearing. The end of the threaded rod away from the liquid storage tank is threadedly connected to a drive plate. The two ends of the threaded rod extending out of the liquid storage tank are smoothly arranged to limit the movement range of the drive plate. A first return spring and a second return spring are respectively fixedly connected to both ends of the drive plate. The first return spring is fixedly connected to the surface of the liquid storage tank, and the second return spring is fixedly connected to the inner wall of the air inlet box.

[0014] Preferably, one end of the drive plate is hinged to a connecting rod, which movably passes through and extends to the top of the air inlet box. A hinge seat is hinged to the top of the connecting rod, and a second drive rod is hinged to the top of the hinge seat. A toothed disc is fixedly connected to the surface of the drive ring, and the teeth of the toothed disc are inclined. A torsion spring is provided between the hinge seat and the second drive rod to make the second drive rod fit tightly against the surface of the toothed disc. A second drive groove is provided at one end of the second drive rod corresponding to the position of the toothed disc. Guide posts are fixedly connected to both ends of the hinge seat. A guide frame is slidably connected to the surface of the guide post, and the guide frame is fixedly connected to one end of the liquid storage tank. A guide rod is movably inserted into the middle of the drive plate, and the guide rod is fixedly connected to the inner wall of the air inlet box and the surface of the liquid storage tank.

[0015] Preferably, a top cover is fixedly connected to the top of the power metering box body via a bracket, and the dust removal and dehumidification components, self-cleaning components, and drive components are all located at the bottom of the top cover. An air outlet frame is fixedly embedded at the bottom of the power metering box body, and an air outlet hole is provided at the bottom of the air outlet frame. An exhaust fan is fixedly embedded at the top of the air outlet frame so that the exhaust fan can discharge the high-temperature gas inside the power metering box body through the air outlet frame to the bottom of the power metering box body.

[0016] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention uses a rotating dustproof net to filter outside air, which then enters the inner wall of the air inlet box through ventilation holes and air inlet pipes. It then passes through a dehumidifying net for dehumidification, and is then transported into the interior of the power metering box by the air intake fan for heat dissipation. The rotation of the dustproof net and the transmission of the dehumidifying net, together with the cleaning liquid in the storage tank, allow the dustproof net to be cleaned online. At the same time, the moisture in the dehumidifying net that is removed from the air inlet box evaporates and is carried away by the air, thereby achieving the purpose of self-cleaning of the dustproof net and self-drying of the dehumidifying net. 2. This invention also allows the drive plate to move upwards along the drive ring when it moves towards one end, causing the hinge seat to move upwards via the connecting rod. The movement of the hinge seat is guided by the guide post and guide frame. As the hinge seat moves upwards, it causes the second drive rod to move upwards. Due to the inclination of the second drive groove and the gear plate, the upward movement of the second drive groove does not cause the gear plate to rotate. Simultaneously, the torsion spring between the second drive rod and the hinge seat ensures that the second drive rod is tightly fitted to the gear plate. When the drive plate moves away from the drive ring... When one end moves, the drive plate, in conjunction with the connecting rod and the second drive rod, drives the second drive rod to move downward. This causes the second drive rod to engage with the inclined teeth of the face gear plate, thereby causing the face gear plate to rotate. When the threaded rod rotates in both directions, it drives the movable seat to move back and forth. The second drive rod, in conjunction with the second drive groove, drives the face gear plate to rotate intermittently in one direction. This causes the face gear plate to drive the drive ring to rotate, and the drive ring to drive the dustproof net to rotate while simultaneously driving the transmission bar to drive the dehumidification net. This results in the continuous replacement of the working parts of the dustproof net and the dehumidification net. 3. This invention also uses a forward and reverse servo motor to drive the threaded rod to rotate in both directions. When the threaded rod rotates in both directions, it causes the movable seat to move left and right through the threaded tube. When the movable seat moves left and right, it causes the brush to clean the surface of the dustproof net through the magnetic plate. When the movable seat drives the magnetic plate to move left and right, the first drive rod, in conjunction with the first drive groove, drives the magnetic plate to swing back and forth on the inner wall of the movable seat. This causes the magnetic plate to drive the brush to move along the axial direction of the dustproof net while swinging back and forth along the circumference of the dustproof net, thereby improving the cleaning effect of the brush on the dustproof net. At the same time, when the magnetic plate drives the brush to move along the axial direction of the dustproof net while swinging back and forth along the circumference of the dustproof net, the magnetic plate continuously attracts the magnetic ball with its magnetism, causing the magnetic ball to continuously roll and contact the convex strip. That is, the contact between the magnetic ball and the brush is a flexible contact, while the contact with the convex strip is a hard contact. This causes the magnetic ball to continuously tap the dustproof net, thereby improving the cleaning effect of the dustproof net. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of a box-type power metering box according to the present invention; Figure 2 This is an exploded view of the overall structure of a box-type power metering box according to the present invention; Figure 3 This is a schematic diagram of the dust removal and dehumidification component structure of a box-type power metering box according to the present invention; Figure 4 This is a cross-sectional view of the dust removal and dehumidification assembly structure of a box-type power metering box according to the present invention. Figure 1 ; Figure 5 This is a cross-sectional view of the dust removal and dehumidification assembly structure of a box-type power metering box according to the present invention. Figure 2 ; Figure 6 For the present invention Figure 5 Enlarged view of the structure at point A in the middle; Figure 7 This is an exploded view of the structure of a box-type power metering box dust removal and dehumidification component according to the present invention; Figure 8 This is an exploded view of the structure of a self-cleaning component for a box-type power metering box according to the present invention; Figure 9 This is a partial exploded view of the structure of a self-cleaning component for a box-type power metering box according to the present invention; Figure 10 This is a partial exploded view of the drive assembly structure of a box-type power metering box according to the present invention.

[0018] In the diagram: 1. Electricity metering box body; 2. Air inlet box; 3. Air inlet fan; 401. Air inlet duct; 402. Ventilation hole; 403. Drive ring; 404. Dustproof screen; 405. Dehumidification screen; 406. Guide housing; 501. Liquid storage tank; 502. Movable seat; 503. Magnetic sheet; 504. Brush; 505. Raised strip; 506. Magnetic ball; 507. Threaded rod; 508. Threaded tube; 509. Guide bar; 510. First drive groove; 511. First drive rod; 512. Guide hole; 513. Partition plate; 601. Transmission bar; 602. Guide groove; 603. Drive plate; 604. Connecting rod; 605. Hinge seat; 606. Second drive rod; 607. Second drive groove; 608. Gear plate; 609. Guide post; 610. Guide frame; 611. Guide rod; 612. First return spring; 613. Second return spring; 7. Top cover; 8. Air outlet frame; 9. Exhaust fan. Detailed Implementation

[0019] 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.

[0020] Please see Figures 1-10 The present invention provides a technical solution: a box-type electricity metering box, comprising: The main body of the electricity metering box 1 has an air inlet box 2 fixedly embedded in its top, an air inlet fan 3 fixedly embedded in its bottom, and a dust removal and dehumidification component fixedly installed on the top of the air inlet box 2. The dust removal and dehumidification assembly includes air inlet pipes 401 fixedly embedded at both ends of the air inlet box 2. Multiple ventilation holes 402 are provided on the side wall of the middle section of the air inlet pipes 401. Drive rings 403 are rotatably mounted on the surfaces of both ends of the air inlet pipes 401 corresponding to the positions of drive rings 403. A dustproof net 404, made of polyester woven mesh, is fixedly installed between two drive rings 403. The rotation of the dustproof net 404 changes the air passage position, allowing outside air to pass through the dustproof net 404, be filtered, and then enter the air inlet box 2 through the ventilation holes 402 and the air inlet pipes 401. A dehumidification net 405, made of silica gel, is movably mounted on the surface of the dustproof net 404. The dehumidification net 405 movably penetrates the air inlet box 2, allowing air inside the air inlet box 2 to pass through the dehumidification net 405 for moisture absorption before being drawn into the air inlet fan 3. The air is transported into the main body 1 of the power metering box. The middle part of the main body 1 of the power metering box is a straight pipe structure, and the ventilation hole 402 is located inside the dustproof net 404. The dustproof net 404 is provided with steel wire to maintain the round tube shape of the dustproof net 404. The dehumidifying net 405 is tightly attached to the top of the inlet fan 3 so that when the inlet fan 3 delivers air, the air passes through the dehumidifying net 405 to achieve the dehumidification step. The surface of the air inlet box 2 is fixedly installed with a guide shell 406, and the dehumidifying net 405 is drivenly connected to the surface of the guide shell 406. The bottom of the main body 1 of the power metering box is fixedly embedded with an air outlet frame 8. The bottom of the air outlet frame 8 is provided with an air outlet hole. The top of the air outlet frame 8 is fixedly embedded with an exhaust fan 9 so that the exhaust fan 9 discharges the high temperature gas inside the main body 1 of the power metering box through the air outlet frame 8 to the bottom of the main body 1 of the power metering box. In use, outside air enters the guide housing 406 through both ends of the middle part of the guide housing 406, passes through the dustproof net 404, and enters the interior of the air inlet pipe 401 through the ventilation hole 402. During this process, the dustproof net 404 filters the air. The air inside the air inlet pipe 401 enters the inner wall of the air inlet box 2, and then passes through the dehumidification net 405 for dehumidification. After that, it is transported to the interior of the power metering box body 1 by the intake fan 3, and heats up the components inside the power metering box body 1. The waste heat inside the power metering box body 1 is transported to the exhaust frame 8 by the exhaust fan 9 and discharged from the air outlet at the bottom of the exhaust frame 8. Because the ground humidity is relatively high, the waste heat is discharged from the bottom, which can effectively prevent humid air from entering the interior of the power metering box body 1.

[0021] A self-cleaning component is installed at the bottom of the dustproof net 404, and the self-cleaning component includes a liquid storage tank 501 fixedly embedded in the top of the air inlet box 2. The liquid storage tank 501 has a top-opening structure, and the dustproof net 404 is rotatably connected to the top of the liquid storage tank 501. The liquid storage tank 501 contains cleaning fluid, and the liquid level of the cleaning fluid submerges the bottom of the dustproof net 404. A brush 504 is movably installed inside the liquid storage tank 501 so that the dustproof net 404 can be cleaned by the cleaning fluid when it rotates. A threaded rod 507 is rotatably connected to the middle of the liquid storage tank 501 via a bearing. A threaded tube 508 is threadedly connected to the surface of the threaded rod 507. A movable seat 502 is fixedly installed on the surface of the threaded tube 508. The top of the movable seat 502 is... The structure is an arc-shaped hollow structure with a notch at the top of the movable seat 502. A magnet 503 is rotatably connected to the inner wall of the movable seat 502. A brush 504 is fixedly installed on the inner wall of the magnet 503 corresponding to the notch in the movable seat 502. Multiple protrusions 505 are fixedly installed on the inner wall of the magnet 503 corresponding to the brush 504, and the protrusions 505 and brush 504 are staggered. Two partitions 513 are fixedly installed on the surface of the air inlet pipe 401, and the two partitions 513 correspond to the two ends of the liquid storage tank 501 respectively, to prevent the cleaning fluid from being pulled out of the liquid storage tank 501 when the dustproof net 404 rotates. A magnetic ball 506 is movably connected to the inner wall of the dustproof net 404 corresponding to the magnet 503, and the magnetic ball 506 is... The surface of the spherical structure has multiple protrusions. The magnetic ball 506 and the magnetic sheet 503 are magnetically attracted to each other. When the threaded rod 507 rotates and the threaded tube 508 drives the movable seat 502 to move, the movable seat 502 drives the magnetic ball 506 to move irregularly on the inner wall of the dustproof net 404 through the magnetic sheet 503. The protrusions on the surface of the magnetic ball 506, together with the protruding strips 505, strike the dustproof net 404, improving the cleaning effect of the brush 504. The inner wall of the liquid storage tank 501 is fixedly installed with guide strips 509. One end of the guide strip 509 is a cylindrical structure, and the other end of the guide strip 509 is a straight plate structure. A first drive groove 510 is opened at one end of the straight plate structure of the guide strip 509. There are two guide strips 509, and the two guide strips are... The guide bars 509 are symmetrically arranged. The magnet 503 is fixedly installed at the bottom of the corresponding position of the first drive groove 510. When the movable seat 502 drives the magnet 503 to move along the direction of the threaded rod 507, the magnet 503 drives the first drive rod 511 to move on the inner wall of the first drive groove 510. This causes the first drive groove 510 to work with the first drive rod 511 to drive the magnet 503 to swing back and forth on the inner wall of the movable seat 502. The side wall of the movable seat 502 corresponding to the position of the guide bar 509 is provided with a guide hole 512, and the inner wall of the guide hole 512 is movably inserted into the guide bar 509. One end of the liquid storage tank 501 is provided with an inlet pipe and an outlet pipe respectively. The threaded rod 507 is driven by a forward and reverse servo motor. When the above structure is in use, the forward and reverse servo motor drives the threaded rod 507 to rotate in both directions. When the threaded rod 507 rotates in both directions, it causes the movable seat 502 to move left and right through the threaded tube 508. When the movable seat 502 moves left and right, it causes the brush 504 to clean the surface of the dustproof net 404 through the magnet 503. When the movable seat 502 drives the magnet 503 to move left and right, the first drive rod 511, in conjunction with the first drive groove 510, drives the magnet 503 to swing back and forth on the inner wall of the movable seat 502. This causes the brush 504 to move along the axial direction of the dustproof net 404 while swinging back and forth along the circumference of the dustproof net 404, thereby improving the cleaning effect of the brush 504 on the dustproof net 404. At the same time, when the magnetic sheet 503 drives the brush 504 to move along the axial direction of the dustproof net 404 and swing back and forth along the circumference of the dustproof net 404, the magnetic sheet 503 continuously attracts the magnetic ball 506 magnetically, causing the magnetic ball 506 to roll continuously and touch the protrusion 505, thereby causing the magnetic ball 506 to continuously tap the dustproof net 404 and thus improve the cleaning effect of the dustproof net 404.

[0022] It also includes a drive assembly for driving the drive ring 403 to rotate. The drive assembly includes a transmission bar 601 fixedly installed at both ends of the dehumidification mesh 405. The inner wall of the transmission bar 601 and the surface of the drive ring 403 are provided with matching teeth so that the drive ring 403 drives the transmission bar 601 to rotate. The guide housing 406 and the air inlet box 2 have a guide groove 602 at one end corresponding to the position of the transmission bar 601. The transmission bar 601 is connected to the inner wall of the guide groove 602 so that the guide groove 602 guides the transmission of the transmission bar 601. Threaded rod 5 The threaded rod 507, which extends through the liquid storage tank 501 and is rotatably connected to one end of the air inlet box 2 via a bearing, has a drive plate 603 threadedly connected to one end of the threaded rod 507 away from the liquid storage tank 501. The two ends of the threaded rod 507 extending beyond the liquid storage tank 501 are smoothly arranged to limit the movement range of the drive plate 603. A first return spring 612 and a second return spring 613 are respectively fixedly installed at both ends of the drive plate 603. The first return spring 612 is fixedly installed on the surface of the liquid storage tank 501, and the second return spring 613 is fixedly installed inside the air inlet box 2. A connecting rod 604 is hinged to one end of the drive plate 603. The connecting rod 604 extends movably through and to the top of the air inlet box 2. A hinge seat 605 is hinged to the top of the connecting rod 604, and a second drive rod 606 is hinged to the top of the hinge seat 605. A geared disc 608 is fixedly mounted on the surface of the drive ring 403, and the teeth of the geared disc 608 are inclined. A torsion spring is provided between the hinge seat 605 and the second drive rod 606 to ensure that the second drive rod 606 is tightly fitted against the surface of the geared disc 608. The second drive rod 606 corresponds to the geared disc 608. A second drive groove 607 is provided at one end of position 8. Guide columns 609 are fixedly installed at both ends of the hinge seat 605. A guide frame 610 is slidably connected to the surface of the guide column 609. The guide frame 610 is fixedly installed at one end of the liquid storage tank 501. A guide rod 611 is movably inserted into the middle of the drive plate 603. The guide rod 611 is fixedly installed on the inner wall of the air inlet box 2 and the surface of the liquid storage tank 501. A top cover 7 is fixedly installed on the top of the power metering box body 1 through a bracket. The dust removal and dehumidification component, the self-cleaning component, and the drive component are all located at the bottom of the top cover 7. In use, when the drive plate 603 is driven by the threaded rod 507 to move towards one end of the drive ring 403, the drive plate 603, through the connecting rod 604 and the hinge seat 605, drives the second drive rod 606 to move upward. When the drive plate 603 moves away from the drive ring 403, the drive plate 603, in conjunction with the connecting rod 604 and the second drive rod 606, drives the second drive rod 606 to move downward. This causes the second drive rod 606, in conjunction with the second drive groove 607, to hook onto the inclined teeth of the gear plate 608, thereby causing the gear plate 608 to rotate. That is, when the threaded rod 507 rotates forward and backward, driving the movable seat 502 to move back and forth, the second drive rod 606, in conjunction with the second drive groove 607, hooks onto the inclined teeth of the gear plate 608. The second drive groove 607 drives the gear plate 608 to rotate intermittently in one direction, which in turn causes the gear plate 608 to drive the drive ring 403 to rotate. The drive ring 403 drives the dustproof net 404 to rotate and simultaneously drives the transmission bar 601 to drive the dehumidification net 405. This causes the working parts of the dustproof net 404 and the dehumidification net 405 to be constantly replaced. With the help of the self-cleaning component to clean the dustproof net 404, the dustproof net 404 can be cleaned online. At the same time, the part of the dehumidification net 405 that is detached from the air inlet box 2 is exposed to the outside, so that the moisture inside the dehumidification net 405 evaporates and is carried away by the air. This achieves the purpose of self-cleaning of the dustproof net 404 and self-drying of the dehumidification net 405.

[0023] Working principle: In use, the invention first activates the inlet fan 3, creating negative pressure inside the inlet box 2. This allows outside air to enter the guide housing 406 through both ends in the middle, pass through the dustproof net 404, and enter the inlet pipe 401 through the ventilation hole 402. During this process, the dustproof net 404 filters the air. The air inside the inlet pipe 401 enters the inner wall of the inlet box 2, then passes through the dehumidification net 405 for dehumidification. After that, it is transported by the inlet fan 3 into the power metering box body 1, where it dissipates heat from the components. The waste heat inside the power metering box body 1 is transported by the exhaust fan 9 to the exhaust frame 8 and discharged from the air outlet at the bottom of the exhaust frame 8. Because the ground humidity is relatively high, the waste heat is discharged from the bottom, effectively preventing humid air from entering the power metering box body 1. After prolonged use, the dust filter 404 will become clogged with dust, resulting in reduced air intake. At this time, the forward and reverse servo motor drives the threaded rod 507 to rotate in both directions. When the threaded rod 507 rotates in both directions, it will cause the movable seat 502 to move left and right through the threaded tube 508. When the movable seat 502 moves left and right, it will cause the brush 504 to clean the surface of the dust filter 404 through the magnet 503. When the movable seat 502 drives the magnet 503 to move left and right, the first drive rod 511 and the first drive groove 510 will drive the magnet 503 to swing back and forth on the inner wall of the movable seat 502. This will cause the brush 504 to move along the axial direction of the dust filter 404 and swing back and forth along the circumference of the dust filter 404, thereby improving the cleaning effect of the brush 504 on the dust filter 404. At the same time, when the magnetic sheet 503 drives the brush 504 to move along the axial direction of the dustproof net 404 and swing back and forth along the circumference of the dustproof net 404, the magnetic sheet 503 continuously attracts the magnetic ball 506 magnetically, causing the magnetic ball 506 to roll continuously and touch the convex strip 505. That is, the contact between the magnetic ball 506 and the brush 504 is a flexible contact, and the contact with the convex strip 505 is a hard contact. This causes the magnetic ball 506 to continuously tap the dustproof net 404, thereby improving the cleaning effect of the dustproof net 404. While the threaded rod 507 rotates in both directions, the threaded rod 507 will drive the drive plate 603 to move along the direction of the threaded rod 507. Since the thread of the threaded rod 507 at the position corresponding to the drive plate 603 does not extend to the inner wall of the air inlet box 2 and the surface of the liquid storage tank 501, when the drive plate 603 moves to the edge position of the thread of the threaded rod 507 at the position corresponding to the drive plate 603, it will not be driven to move to the position without threads. At the same time, when the drive plate 603 moves to the limit position, the first return spring 612 or the second return spring 613 will be in a compressed state. Once the threaded rod 507 rotates in the opposite direction, the drive plate 603 will re-engage with the thread on the surface of the threaded rod 507. When the drive plate 603 moves towards one end of the drive ring 403, it causes the drive plate 603 to drive the hinge seat 605 upward via the connecting rod 604. The movement of the hinge seat 605 is guided by the guide post 609 and the guide frame 610. When the hinge seat 605 moves upward, it causes the second drive rod 606 to move upward. Due to the inclination of the second drive groove 607 and the gear plate 608, the upward movement of the second drive groove 607 will not cause the gear plate 608 to rotate. At the same time, under the action of the torsion spring between the second drive rod 606 and the hinge seat 605, the second drive rod 606 is tightly fitted with the gear plate 608. When the drive plate 603 moves away from the drive ring 403, the drive plate 603, in conjunction with the connecting rod 604 and the second drive rod 606, drives the second drive rod 606 downward, thereby causing the second drive rod 606 to cooperate with the second drive ring 403 to move downward. The second drive groove 607 hooks onto the inclined teeth of the gear plate 608, causing the gear plate 608 to rotate. When the threaded rod 507 rotates in both directions, it drives the movable seat 502 to move back and forth. The second drive rod 606, in conjunction with the second drive groove 607, drives the gear plate 608 to rotate intermittently in one direction. This causes the gear plate 608 to drive the drive ring 403 to rotate, which in turn drives the dustproof net 404 to rotate and simultaneously drives the transmission bar 601 to drive the dehumidification net 405. This causes the working parts of the dustproof net 404 and the dehumidification net 405 to be constantly replaced. Combined with the self-cleaning component, the dustproof net 404 can be cleaned online. At the same time, the part of the dehumidification net 405 that is detached from the air inlet box 2 is exposed to the outside, allowing the moisture inside the dehumidification net 405 to evaporate and be carried away by the air. This achieves the self-cleaning and self-drying purposes of the dustproof net 404 and the dehumidification net 405.

[0024] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0025] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A box-type electricity metering box, characterized in that: include: The main body of the power metering box (1) has an air inlet box (2) fixedly embedded at the top, an air inlet fan (3) fixedly embedded at the bottom of the air inlet box (2), and a dust removal and dehumidification component fixedly provided at the top of the air inlet box (2). The dust removal and dehumidification assembly includes an air inlet pipe (401) fixedly embedded at both ends of the air inlet box (2). The side wall of the middle part of the air inlet pipe (401) is provided with multiple ventilation holes (402). The two ends of the air inlet pipe (401) corresponding to the position of the drive ring (403) are respectively provided with drive rings (403). A dustproof net (404) is fixed between the two drive rings (403) so that the air penetration position is changed by rotating the dustproof net (404), so that the outside air passes through the dustproof net (404) and enters the air inlet box (2) through the ventilation holes (402) and the air inlet pipe (401). A dehumidification net (405) is movably provided on the surface of the dustproof net (404), and the dehumidification net (405) movably penetrates the air inlet box (2) so that the air in the air inlet box (2) passes through the dehumidification net (405) for moisture absorption treatment and is then transported to the power metering box body (1) by the air inlet fan (3). A self-cleaning component is provided at the bottom of the dustproof net (404), and the self-cleaning component includes a liquid storage tank (501) fixedly embedded in the top of the air inlet box (2). The liquid storage tank (501) has a top opening structure, and the dustproof net (404) is rotatably connected to the top of the liquid storage tank (501). The liquid storage tank (501) contains cleaning liquid, and the liquid level of the cleaning liquid submerges the bottom of the dustproof net (404). A brush (504) is movably provided inside the liquid storage tank (501) so that the dustproof net (404) can be cleaned with the cleaning liquid when the dustproof net (404) rotates.

2. The box-type power metering box according to claim 1, characterized in that: The middle part of the main body (1) of the power metering box is a straight tube structure, and the ventilation hole (402) is located inside the dustproof net (404). The dustproof net (404) is provided with steel wire inside to maintain the round tube shape of the dustproof net (404). The dehumidifying net (405) is tightly attached to the top of the air intake fan (3) so that when the air intake fan (3) delivers air, the air passes through the dehumidifying net (405) to achieve the dehumidification step. The surface of the air intake box (2) is fixedly connected to the guide shell (406), and the dehumidifying net (405) is drivenly connected to the surface of the guide shell (406).

3. A box-type power metering box according to claim 2, characterized in that: The liquid storage tank (501) is rotatably connected to a threaded rod (507) via a bearing in the middle. A threaded tube (508) is threadedly connected to the surface of the threaded rod (507). A movable seat (502) is fixedly connected to the surface of the threaded tube (508). The top of the movable seat (502) is an arc-shaped hollow structure, and a notch is opened at the top of the movable seat (502). A magnet (503) is rotatably connected to the inner wall of the movable seat (502). A brush (504) is fixedly connected to the inner wall of the magnet (503) at the position corresponding to the notch of the movable seat (502). Multiple protrusions (505) are fixedly connected to the inner wall of the magnet (503) at the position corresponding to the brush (504), and the protrusions (505) and the brush (504) are arranged alternately.

4. A box-type power metering box according to claim 3, characterized in that: Two baffles (513) are fixedly connected to the surface of the air inlet pipe (401), and the two baffles (513) correspond to the two ends of the liquid storage tank (501) respectively, so as to prevent the cleaning liquid from being pulled out of the liquid storage tank (501) when the dust screen (404) rotates.

5. A box-type electricity metering box according to claim 4, characterized in that: A magnetic ball (506) is movably connected to the inner wall of the dustproof net (404) corresponding to the position of the magnetic piece (503). The magnetic ball (506) is a spherical structure with multiple protrusions on its surface. The magnetic ball (506) and the magnetic piece (503) are magnetically attracted to each other. When the threaded rod (507) rotates and cooperates with the threaded tube (508) to drive the movable seat (502) to move, the movable seat (502) drives the magnetic ball (506) to move irregularly on the inner wall of the dustproof net (404) through the magnetic piece (503). The protrusions on the surface of the magnetic ball (506) cooperate with the convex strip (505) to strike the dustproof net (404), thereby improving the cleaning effect of the brush (504).

6. A box-type power metering box according to claim 5, characterized in that: The inner wall of the liquid storage tank (501) is fixedly connected to a guide strip (509). One end of the guide strip (509) is cylindrical, and the other end is a straight plate. A first drive groove (510) is provided at one end of the straight plate of the guide strip (509). There are two guide strips (509), and the two guide strips (509) are symmetrically arranged. A first drive rod (511) is fixedly connected to the bottom of the magnet piece (503) corresponding to the position of the first drive groove (510), so that the movable seat (502) drives the magnet piece (503) along the threaded rod (507). When moving in a direction, the magnet (503) drives the first drive rod (511) to move on the inner wall of the first drive groove (510), thereby causing the first drive groove (510) to cooperate with the first drive rod (511) to drive the magnet (503) to swing back and forth on the inner wall of the movable seat (502). The movable seat (502) has a guide hole (512) on the side wall corresponding to the guide bar (509), and the inner wall of the guide hole (512) is movably inserted into the guide bar (509). One end of the liquid storage tank (501) is respectively provided with an inlet pipe and an outlet pipe. The threaded rod (507) is driven by a forward and reverse servo motor.

7. A box-type electricity metering box according to claim 6, characterized in that: It also includes a drive assembly for driving the drive ring (403) to rotate. The drive assembly includes a transmission bar (601) fixedly connected to both ends of the dehumidification mesh (405). The inner wall of the transmission bar (601) and the surface of the drive ring (403) are provided with matching teeth so that the drive ring (403) drives the transmission bar (601) to rotate. The guide housing (406) and the air inlet box (2) are provided with a guide groove (602) at one end corresponding to the position of the transmission bar (601). The transmission bar (601) is connected to the inner wall of the guide groove (602) so that the guide groove (602) guides the transmission of the transmission bar (601).

8. A box-type electricity metering box according to claim 7, characterized in that: The threaded rod (507) moves through the liquid storage tank (501) and is rotatably connected to one end of the air inlet box (2) via a bearing. The end of the threaded rod (507) away from the liquid storage tank (501) is threadedly connected to a drive plate (603). The two ends of the threaded rod (507) extending out of the liquid storage tank (501) are smoothly arranged to limit the movement range of the drive plate (603). The two ends of the drive plate (603) are respectively fixedly connected to a first return spring (612) and a second return spring (613). The first return spring (612) is fixedly connected to the surface of the liquid storage tank (501), and the second return spring (613) is fixedly connected to the inner wall of the air inlet box (2).

9. A box-type power metering box according to claim 8, characterized in that: One end of the drive plate (603) is hinged to a connecting rod (604), which extends movably through and to the top of the air inlet box (2). A hinge seat (605) is hinged to the top of the connecting rod (604), and a second drive rod (606) is hinged to the top of the hinge seat (605). A geared disc (608) is fixedly connected to the surface of the drive ring (403), and the teeth of the geared disc (608) are inclined. A torsion spring is provided between the hinge seat (605) and the second drive rod (606) to ensure that the second drive rod (606) fits tightly against the hinge. On the surface of the face gear disk (608), a second drive groove (607) is provided at one end of the second drive rod (606) corresponding to the position of the face gear disk (608). Guide columns (609) are fixedly connected to both ends of the hinge seat (605). A guide frame (610) is slidably connected to the surface of the guide column (609), and the guide frame (610) is fixedly connected to one end of the liquid storage tank (501). A guide rod (611) is movably inserted into the middle of the drive plate (603), and the guide rod (611) is fixedly connected to the inner wall of the air inlet box (2) and the surface of the liquid storage tank (501).

10. A box-type electricity metering box according to claim 1, characterized in that: The top of the power metering box body (1) is fixedly connected to a top cover (7) by a bracket, and the dust removal and dehumidification component, the self-cleaning component and the drive component are all located at the bottom of the top cover (7). An air outlet frame (8) is fixedly embedded at the bottom of the power metering box body (1). An air outlet hole is provided at the bottom of the air outlet frame (8). An exhaust fan (9) is fixedly embedded at the top of the air outlet frame (8) so that the exhaust fan (9) can discharge the high temperature gas inside the power metering box body (1) through the air outlet frame (8) to the bottom of the power metering box body (1).

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