A 20kV intelligent ring main unit remotely and dynamically regulated in real time and a control method thereof

Abstract

The present application relates to the technical fields of intelligent ring network cabinet, specifically relates to a kind of 20kV intelligent ring network cabinet of remote real-time dynamic regulation and control and control method thereof, including cabinet and heat dissipation mechanism, heat dissipation mechanism includes ventilation duct, exhaust mechanism and fresh air mechanism;Ventilation duct is vertically arranged in cabinet, and air inlet is opened on the outer wall of ventilation duct;Exhaust mechanism is arranged at the top of ventilation duct and is communicated with ventilation duct, and exhaust mechanism produces suction effect to the air in ventilation duct;Fresh air mechanism is arranged at the bottom of ventilation duct and is communicated with ventilation duct, and fresh air mechanism can exert upward force to the air in ventilation duct, accelerate the flow rate of air in ventilation duct, and fresh air mechanism can simultaneously exert rotating force to the air in ventilation duct while accelerating the air in ventilation duct;The present application is provided with ventilation duct, exhaust mechanism and fresh air mechanism, so as to effectively avoid the hindrance of components in cabinet to air flow in vertical direction.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of intelligent ring network cabinets, in particular to a 20kV intelligent ring network cabinet for remote real-time dynamic regulation and control, and a control method of the 20kV intelligent ring network cabinet for remote real-time dynamic regulation and control. BACKGROUND

[0002] With the continuous development of the power system and the improvement of the intelligent level, higher requirements are put forward for the safe, reliable and efficient operation of power distribution equipment. As an important power distribution equipment in the power system, the performance and stability of the 20kV intelligent ring network cabinet are directly related to the overall operation efficiency and safety of the power system. However, the traditional ring network cabinet has many shortcomings in terms of heat dissipation, monitoring and regulation, and it is difficult to meet the needs of modern power systems.

[0003] The patent with publication number CN117374784B discloses an intelligent ring network cabinet and a control method thereof. The cabinet is provided with a heat dissipation mechanism, a fresh air mechanism, a control device, a soft start control device, a collector and a processor. When the devices inside the cabinet are cooled and the air pressure inside the cabinet increases, the gas drained by the heat dissipation mechanism is discharged from the cabinet through the ventilation opening at the top of the cabinet. At this time, the pressure in the cabinet decreases, prompting the fresh air mechanism installed at the bottom of the cabinet to introduce fresh air from outside the cabinet through the fresh air opening on at least one side wall of the cabinet. A baffle is arranged at the fresh air opening to prevent the fresh air from directly contacting the previous air in the cabinet. Instead, the fresh air enters the fresh air mechanism through the channel formed by the baffle. The air entering through the fresh air opening is unidirectionally drained into the cabinet by the fresh air mechanism. The whole process is dynamically cycled, reducing energy consumption and adjusting the temperature inside the cabinet. The processor connects the collector to compare the obtained values with the corresponding set threshold to determine whether the conditions for starting the fresh air mechanism are met. A time-limited drive signal is formed based on the difference between the values and the threshold to drive the corresponding fresh air mechanism to work within the time limit.

[0004] Although the above-mentioned scheme can discharge hot air from the cabinet and reduce the temperature inside the cabinet, when the heat dissipation mechanism discharges hot air from the cabinet, the heat dissipation mechanism can only generate an upward suction force on the air inside the cabinet, causing the air to flow in the vertical direction. However, the components installed in the cabinet will hinder the flow of hot air in the vertical direction, affecting the efficiency of air discharge. SUMMARY

[0005] To solve the above-mentioned problems, a 20kV intelligent ring network cabinet for remote real-time dynamic regulation and control is provided. By arranging a ventilation duct, an exhaust mechanism and a fresh air mechanism, the hindrance of the components in the cabinet to the air flow in the vertical direction is effectively avoided, ensuring rapid reduction of the temperature inside the cabinet.

[0006] To solve the prior art problems, the application provides a 20kV intelligent ring network cabinet for remote real-time dynamic regulation, which comprises a cabinet body provided with a plurality of air inlet grilles on the surface and a heat dissipation mechanism arranged through the cabinet body in the vertical direction, wherein the heat dissipation mechanism comprises a ventilation duct, an exhaust mechanism and a fresh air mechanism; the ventilation duct is vertically arranged in the cabinet body, and a plurality of air inlets are formed on the outer wall of the ventilation duct and face the rotation direction of the ventilation duct; the exhaust mechanism is arranged at the top of the ventilation duct and communicates with the ventilation duct, and the exhaust mechanism generates a suction effect on the air in the ventilation duct; the fresh air mechanism is arranged at the bottom of the ventilation duct and communicates with the ventilation duct, and the fresh air mechanism can exert an upward force on the air in the ventilation duct to accelerate the flow rate of the air in the ventilation duct, or the fresh air mechanism can simultaneously accelerate the air in the ventilation duct and exert a rotating force on the air in the ventilation duct.

[0007] Preferably, the heat dissipation mechanism further comprises support structures arranged at both ends of the ventilation duct, and the support structures comprise a conical support plate and a conical support assembly arranged in the conical support plate; the conical support plate is coaxially arranged with the ventilation duct and connected with the ventilation duct; and the conical support assembly abuts against the inner wall of the conical support plate.

[0008] Preferably, the exhaust mechanism comprises an exhaust duct and a non-powered air cap; the exhaust duct is coaxially arranged with the ventilation duct, and one end of the exhaust duct extends out of the cabinet body upward; and the non-powered air cap is arranged on the outer wall of the cabinet body and connected with the exhaust duct.

[0009] Preferably, the fresh air mechanism comprises a dustproof cover in the shape of a ring, and a plurality of air inlets are formed in the side wall of the dustproof cover; a main shaft coaxial with the ventilation duct is arranged in the dustproof cover, an airflow accelerating structure is mounted on the main shaft, and the airflow accelerating structure is used to suck the external air into the dustproof cover and blow the air toward the ventilation duct.

[0010] Preferably, one end of the main shaft extends into the ventilation duct upward, and the one end of the main shaft is provided with a linkage structure, and the linkage structure comprises a linkage block, a butt joint assembly and a control assembly; the linkage block is mounted on the end of the main shaft; the butt joint assembly is connected with the ventilation duct; and the control assembly is used to drive the butt joint assembly to butt joint with the linkage block.

[0011] Preferably, a plurality of butt joint sockets are formed on the outer side of the linkage block, the butt joint assembly comprises a transmission block and a plurality of guide rods parallel to the axis of the ventilation duct and fixedly connected with the ventilation duct, the transmission block is simultaneously connected with the plurality of guide rods in sliding mode, and a plurality of butt joint blocks connected with the butt joint sockets are arranged on the inner side of the transmission block.

[0012] Preferably, the control assembly comprises two magnetic rings, and at least one of the two magnetic rings is a magnetic ring capable of changing the magnetism by being electrified.

[0013] Preferably, the dust cover is provided with a dust screen, one end of the main shaft extends downward out of the dust cover, and the lower end of the dust cover is provided with a cleaning structure, the cleaning structure comprising a telescopic arm and a cleaning assembly, one end of the telescopic arm is connected with the main shaft, and the cleaning assembly is arranged at the other end of the telescopic arm.

[0014] Preferably, one end of the cleaning assembly is provided with a linkage assembly, the linkage assembly comprising a gear ring and a linkage gear, the gear ring is coaxially arranged with the main shaft, and the gear ring is fixedly connected with the dust cover, the linkage gear is connected with the cleaning assembly, and the linkage gear is engaged with the gear ring.

[0015] A control method of a 20kV intelligent ring network cabinet for remote real-time dynamic regulation, comprising the following steps:

[0016] S1, the temperature in the cabinet is in a remote monitoring state, when the temperature in the cabinet is monitored to be lower than the preset temperature, the fresh air mechanism is not started, and the hot air in the cabinet is gathered in the inside of the ventilation duct and moves upward, and the exhaust mechanism exhausts the hot air;

[0017] S2, when the temperature in the cabinet is monitored to be higher than the preset temperature, the fresh air mechanism is started, the fresh air mechanism blows the hot air in the ventilation duct to flow quickly, reduces the air pressure in the ventilation duct, so that the ventilation duct generates suction to the air in the cabinet, and the air in the cabinet flows into the ventilation duct along the air inlet;

[0018] S3, when the air flow rate in the ventilation duct is still unable to quickly reduce the temperature in the cabinet, the linkage structure connects the ventilation duct with the fresh air mechanism, so that the ventilation duct rotates around itself, strengthens the suction to the air in the cabinet, and the hot air is quickly exhausted.

[0019] The beneficial effects of the present application compared with the prior art are:

[0020] 1, the ventilation duct, the exhaust mechanism and the fresh air mechanism are arranged, the exhaust mechanism generates suction to the air in the ventilation duct, reduces the air pressure in the ventilation duct, the multiple air inlets on the ventilation duct generate suction to the surrounding air, promote the horizontal flow of the air in the cabinet to the ventilation duct, when the fresh air mechanism is started, the fresh air mechanism can further accelerate the air flow in the duct, and also drive the ventilation duct to rotate, enhance the speed of the hot air in the cabinet horizontally entering the ventilation duct, improve the overall heat dissipation effect, the horizontal flow mode of the hot air in the ventilation duct, thereby effectively avoiding the obstruction of the air flow in the vertical direction of the components in the cabinet, and ensuring the rapid reduction of the temperature in the cabinet;

[0021] 2、The two support structures are arranged at two ends of the ventilation pipeline, the force applied by the conical support assembly in the support structure on the conical support plate is decomposed into two components: a first component parallel to the axis direction of the ventilation pipeline and a second component perpendicular to the axis direction of the ventilation pipeline, the two components jointly act, the first component ensures the vertical stability of the ventilation pipeline, and the second component ensures the balance of the ventilation pipeline in the horizontal direction, so that the rotation state of the ventilation pipeline around the fixed axis is effectively maintained, and the possibility that the ventilation pipeline contacts the components in the cabinet is significantly reduced.

[0022] 3、The exhaust pipeline and the unpowered air cap are arranged, the unpowered air cap utilizes the principle of natural wind pressure and hot air floatation without starting the fresh air mechanism, so that the natural exhaust of hot air in the cabinet is realized, no additional energy consumption is needed, and operation cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a perspective view of a remote real-time dynamic regulation 20kV intelligent ring net cabinet of the application;

[0024] Figure 2 is a perspective view of a remote real-time dynamic regulation 20kV intelligent ring net cabinet of the application;

[0025] Figure 3 is a perspective view of a remote real-time dynamic regulation 20kV intelligent ring net cabinet of the application;

[0026] Figure 4 is a perspective view of a remote real-time dynamic regulation 20kV intelligent ring net cabinet of the application;

[0027] Figure 5 is a perspective view of a remote real-time dynamic regulation 20kV intelligent ring net cabinet of the application;

[0028] Figure 6 is a perspective view of a remote real-time dynamic regulation 20kV intelligent ring net cabinet of the application;

[0029] Figure 7 is a perspective view of a remote real-time dynamic regulation 20kV intelligent ring net cabinet of the application;

[0030] Figure 8 is a perspective view of a remote real-time dynamic regulation 20kV intelligent ring net cabinet of the application;

[0031] Figure 9It is a perspective view of a conical mounting plate, a butt joint assembly and a control assembly in a 20kV intelligent ring net cabinet of the application for remote real-time dynamic regulation and control;

[0032] Figure 10 It is a perspective view of a dust cover, a main shaft, a dust screen and a cleaning structure in a 20kV intelligent ring net cabinet of the application for remote real-time dynamic regulation and control;

[0033] Figure 11 It is a perspective view of a main shaft, a telescopic arm, a cleaning assembly and a linkage assembly in a 20kV intelligent ring net cabinet of the application for remote real-time dynamic regulation and control.

[0034] The figure marks are: 1, cabinet body; 11, air inlet grid; 2, ventilation pipeline; 21, air inlet; 3, support structure; 31, conical support plate; 32, conical support assembly; 321, conical mounting plate; 322, roller; 4, exhaust mechanism; 41, exhaust pipeline; 42, unpowered air cap; 5, fresh air mechanism; 51, dust cover; 52, main shaft; 53, airflow acceleration structure; 531, fan blade; 532, driving assembly; 54, linkage structure; 541, linkage block; 5411, butt joint socket; 542, butt joint assembly; 5421, transmission block; 5422, guide rod; 5423, butt joint block; 543, control assembly; 5431, magnetic ring; 55, dust screen; 56, cleaning structure; 561, telescopic arm; 562, cleaning assembly; 5621, support; 5622, rotating shaft; 5623, cleaning roller; 563, linkage assembly; 5631, linkage gear; 5632, gear ring. DETAILED DESCRIPTION

[0035] In order to further understand the features, technical means and specific purposes and functions achieved by the application, the application will be described in further detail below with reference to the drawings and specific embodiments.

[0036] Referring to Figures 1 to 11 The figure marks are: 1, cabinet body; 11, air inlet grid; 2, ventilation pipeline; 21, air inlet; 3, support structure; 31, conical support plate; 32, conical support assembly; 321, conical mounting plate; 322, roller; 4, exhaust mechanism; 41, exhaust pipeline; 42, unpowered air cap; 5, fresh air mechanism; 51, dust cover; 52, main shaft; 53, airflow acceleration structure; 531, fan blade; 532, driving assembly; 54, linkage structure; 541, linkage block; 5411, butt joint socket; 542, butt joint assembly; 5421, transmission block; 5422, guide rod; 5423, butt joint block; 543, control assembly; 5431, magnetic ring; 55, dust screen; 56, cleaning structure; 561, telescopic arm; 562, cleaning assembly; 5621, support; 5622, rotating shaft; 5623, cleaning roller; 563, linkage assembly; 5631, linkage gear; 5632, gear ring.

[0037] In the cabinet 1, a plurality of collectors are arranged around the ventilation duct 2, which are used to monitor the environmental parameters in the cabinet 1 in real time, and a processor is arranged at the bottom of the cabinet 1, which compares the data collected by the collectors with the preset threshold value to determine whether to start the fresh air mechanism 5. When the data of all collectors does not reach the threshold value for starting the fresh air mechanism 5, the fresh air mechanism 5 remains in the closed state, and the hot air in the cabinet 1 naturally rises and gathers in the ventilation duct 2, and then is discharged by the exhaust mechanism 4. During this process, the internal air pressure of the ventilation duct 2 is reduced, and the surrounding air is sucked through the air inlet 21, and the air in the cabinet 1 flows horizontally to the ventilation duct 2. Once the data of a collector exceeds the threshold value for starting the fresh air mechanism 5, the processor determines that the fresh air mechanism 5 needs to be started, and the fresh air mechanism 5 accelerates the air flow in the duct, further reduces the duct air pressure, enhances the suction force on the air in the cabinet, and promotes the air to enter the ventilation duct 2 through the air inlet 21 faster. If the data of the collector still exceeds the threshold value for a long time after the fresh air mechanism 5 is started, the fresh air mechanism 5 drives the ventilation duct 2 to rotate, which accelerates the speed of the hot air in the cabinet 1 horizontally entering the ventilation duct 2, effectively improves the heat dissipation efficiency, and the horizontal flow mode of the hot air in the ventilation duct 2, thereby effectively avoiding the obstruction of the air flow in the vertical direction caused by the components in the cabinet, and ensuring the rapid reduction of the temperature in the cabinet 1.

[0038] Referring to Figure 3 , Figure 4 and Figure 5 , the heat dissipation mechanism further includes a support structure 3 arranged at both ends of the ventilation duct 2, which includes a conical support plate 31 and a conical support assembly 32 arranged inside the conical support plate 31. The conical support plate 31 is coaxially arranged with the ventilation duct 2 and connected with the ventilation duct 2. The conical support assembly 32 abuts against the inner wall of the conical support plate 31.

[0039] Specifically, the conical support assembly 32 includes a conical mounting plate 321 and a plurality of rollers 322 arranged on the outer side surface of the conical mounting plate 321. The conical mounting plate 321 is coaxially arranged with the conical support plate 31, and the rollers 322 abut against the inner wall of the conical support plate 31.

[0040] In view of the high height of the cabinet body 1, the ventilation duct 2 needs to cover the inside of the cabinet body 1, so the length of the ventilation duct 2 is relatively long, so that even if the axis of the ventilation duct 2 is slightly deviated from the vertical direction, one end of the ventilation duct 2 may also produce a large swing during rotation, increasing the risk of collision between the ventilation duct 2 and the installed components in the cabinet body 1. Therefore, the support structure 3 is arranged at both ends of the ventilation duct 2, and through the cooperation of the conical support plate 31 and the conical support assembly 32, the force exerted by the conical support assembly 32 on the conical support plate 31 can be decomposed into two components, one is the first component parallel to the axis direction of the ventilation duct 2, and the other is the second component perpendicular to the axis direction of the ventilation duct 2. The first component generated by the two conical support assemblies 32 acts together to ensure that the ventilation duct 2 remains balanced in the vertical direction, while the second component ensures that the ventilation duct 2 also remains balanced in the horizontal direction, thereby effectively maintaining the rotation state of the ventilation duct 2 around the fixed axis, and significantly reducing the possibility of contact between the ventilation duct 2 and the components in the cabinet body 1.

[0041] Referring to Figure 2 , Figure 3 and Figure 5 , the exhaust mechanism 4 includes an exhaust duct 41 and a non-powered air cap 42; the exhaust duct 41 is coaxially arranged with the ventilation duct 2, and one end of the exhaust duct 41 extends upward out of the cabinet body 1; the other end of the exhaust duct 41 is connected with the conical mounting plate 321; the non-powered air cap 42 is arranged on the outer wall of the cabinet body 1 and connected with the exhaust duct 41.

[0042] When the preset threshold value of the new air mechanism 5 is not triggered by the data of the multiple collectors, the air in the cabinet body 1 still maintains a certain temperature, and the hot air needs to be discharged through the exhaust mechanism 4. At this time, the non-powered air cap 42 plays a role, and the dome structure above the non-powered air cap 42 forms a low-pressure area under the action of wind pressure, while the area below the non-powered air cap 42 forms a high-pressure area due to relative sealing, forming a suction force on the air in the cabinet body 1. At the same time, when the temperature in the cabinet body 1 is higher than the external environment, the hot air rises along the ventilation duct 2 under the action of buoyancy and passes through the non-powered air cap 42. In this process, the hot air pushes the non-powered air cap 42 to rotate, and the rotation of the non-powered air cap 42 further accelerates the flow of surrounding air, causing the air pressure around the non-powered air cap 42 to decrease, thereby promoting the air in the ventilation duct 2 to rise faster, thereby achieving the natural discharge of hot air in the cabinet body 1 without additional energy consumption.

[0043] Referring to Figure 2 , Figure 3 and Figure 6As shown: the fresh air mechanism 5 includes a dust cover 51 with multiple air inlets on the side wall, the inside of the dust cover 51 is provided with a main shaft 52 coaxial with the ventilation duct 2, and the main shaft 52 is provided with an airflow accelerating structure 53, which is used to suck external air into the dust cover 51 and blow it towards the ventilation duct 2.

[0044] Specifically, the airflow accelerating structure 53 includes a fan blade 531 and a driving assembly 532, the fan blade 531 is coaxially arranged and fixedly connected with the main shaft 52, and the driving assembly 532 is arranged on one side of the main shaft 52, and the driving assembly 532 is used to drive the main shaft 52 to rotate.

[0045] When the exhaust mechanism 4 is running but still cannot effectively reduce the internal temperature of the cabinet 1, the airflow accelerating structure 53 starts, at this time, the driving assembly 532 provides power to drive the main shaft 52 to rotate, and the main shaft 52 drives the fan blade 531 to rotate synchronously, the rotating action of the fan blade 531 generates suction to suck the air outside the dust cover 51 into the inside of the dust cover 51, and through the blowing action of the fan blade 531, the air is guided into the ventilation duct 2, the rotation of the fan blade 531 not only realizes the suction and blowing of the air, but also accelerates the air, which improves the air flow rate in the ventilation duct 2, the acceleration of the air flow rate further reduces the air pressure in the ventilation duct 2, according to the principle of air pressure difference, the suction of the ventilation duct 2 to the air inside the cabinet 1 is enhanced, so that the air inside the cabinet 1 flows horizontally to the ventilation duct 2 more quickly, and the overall heat dissipation efficiency is improved.

[0046] Referring to Figure 2 , Figure 6 and Figure 7 As shown: One end of the main shaft 52 extends upward into the inside of the ventilation duct 2, and the one end of the main shaft 52 is provided with a linkage structure 54, the linkage structure 54 includes a linkage block 541, a butt joint assembly 542 and a control assembly 543; the linkage block 541 is installed on the end of the main shaft 52; the butt joint assembly 542 is connected with the ventilation duct 2; the control assembly 543 is used to drive the butt joint assembly 542 to butt joint with the linkage block 541.

[0047] When the air flow acceleration structure 53 is started, if the temperature inside the cabinet 1 still cannot be quickly reduced, at this time, the air flow acceleration structure 53 will control the main shaft 52 to stop rotating, so as to avoid unnecessary mechanical interference or safety hazards during the docking process, then the control assembly 543 drives the docking assembly 542 to move, until the docking assembly 542 and the linkage block 541 are stably docked, ensuring that the main shaft 52 and the ventilation duct 2 can form an effective force transmission path, after docking, the air flow acceleration structure 53 is started again to drive the main shaft 52 to rotate, at this time, the rotating power of the main shaft 52 is transmitted to the ventilation duct 2 through the linkage block 541 and the docking assembly 542, driving the ventilation duct 2 to rotate synchronously, and a plurality of air inlets 21 towards the rotating direction are designed on the outer wall of the ventilation duct 2, these air inlets 21 are relatively displaced with the surrounding air along with the rotation of the ventilation duct 2, forming a kind of dynamic suction effect, greatly enhancing the air inlet 21's ability to capture the surrounding air, so that the air can enter the ventilation duct 2 more quickly and effectively through the air inlet 21.

[0048] Referring to Figure 7 and Figure 8 As shown: a plurality of docking sockets 5411 are opened on the outer side of the linkage block 541, the docking assembly 542 includes a transmission block 5421 and a plurality of guide rods 5422 parallel to the axis of the ventilation duct 2 and fixedly connected with the ventilation duct 2, the transmission block 5421 is simultaneously slidingly connected with the plurality of guide rods 5422, and the inner side of the transmission block 5421 is provided with a plurality of docking blocks 5423 connected with the docking sockets 5411.

[0049] In a normal case, if the main shaft 52 is directly connected with the ventilation duct 2, both will rotate synchronously, however, in the case of discharging low-temperature air, if the same effect is to be achieved, the energy consumption for driving only the rotation of the fan blade 531 is lower than that for driving the rotation of both the fan blade 531 and the ventilation duct 2, therefore, the transmission connection between the main shaft 52 and the ventilation duct 2 is designed to be detachable, when the heat dissipation demand does not require the rotation of the ventilation duct 2, the control assembly 543 is started to drive the transmission block 5421 to slide along the guide rod 5422, to drive the abutting block 5423 to slide out of the abutting socket 5411 of the linkage block 541, to realize the disconnection of the main shaft 52 and the ventilation duct 2, at this time, the rotation of the main shaft 52 only drives the rotation of the linkage block 541, and the ventilation duct 2 remains stationary, avoiding unnecessary energy consumption, on the contrary, when the rotation of the ventilation duct 2 is required to enhance the heat dissipation effect, the control assembly 543 first controls the transmission block 5421 to move reversely along the guide rod 5422 until the upper surface of the abutting block 5423 contacts with the lower surface of the linkage block 541, then, the main shaft 52 is started and drives the rotation of the linkage block 541, with the rotation of the linkage block 541, when the abutting socket 5411 on the linkage block 541 rotates to the position opposite to the abutting block 5423, the control assembly 543 pushes the abutting block 5423 to insert into the abutting socket 5411, to form a stable mechanical connection, at this time, the rotation driving force of the linkage block 541 is effectively transmitted to the ventilation duct 2 through the abutting block 5423, the transmission block 5421 and the guide rod 5422, to realize the rotation of the ventilation duct 2, by flexibly controlling the rotation of the ventilation duct 2 according to the actual heat dissipation demand, the energy consumption waste in unnecessary cases is avoided, and the energy efficiency of the overall system is improved.

[0050] Referring to Figure 2 , Figure 7 and Figure 9 , the control assembly 543 comprises two magnetic rings 5431, and at least one of the two magnetic rings 5431 is a magnetic ring 5431 capable of changing magnetism by being energized.

[0051] The first magnetic ring 5431 of the two magnetic rings 5431 is fixedly installed on the conical mounting plate 321 and is fixed in position without rotation, and the second magnetic ring 5431 of the two magnetic rings 5431 is connected with the transmission block 5421, and the second magnetic ring 5431 will rotate with the ventilation duct 2, so the second magnetic ring 5431 is set as a magnetically fixed magnetic ring 5431 to avoid electrical connection to the rotating magnetic ring 5431, and the first magnetic ring 5431 is set as a magnetic ring 5431 that can be powered to change the magnetism, and when the ventilation duct 2 does not need to be linked with the main shaft 52, the magnetism of the first magnetic ring 5431 is adjusted to be opposite to the magnetism of the second magnetic ring 5431, the suction force generated by the first magnetic ring 5431 to the second magnetic ring 5431 promotes the transmission block 5421 to move along the guide rod 5422, drives the butt joint block 5423 to separate from the linkage block 541, and when the ventilation duct 2 needs to be linked with the main shaft 52, the magnetism of the first magnetic ring 5431 is adjusted to be the same as the magnetism of the second magnetic ring 5431, the thrust generated by the first magnetic ring 5431 to the second magnetic ring 5431 promotes the transmission block 5421 to move in the opposite direction along the guide rod 5422, and after the butt joint block 5423 abuts against the linkage block 541, the first magnetic ring 5431 can still continuously exert a force on the second magnetic ring 5431 towards the linkage block 541, so that the butt joint socket 5411 on the linkage block 541 is rotated to be directly above the butt joint block 5423, and the butt joint block 5423 can timely butt joint with the linkage block 541, and the magnetic attraction and repulsion of the magnetic ring 5431 are used as driving force, so that the connection between the main shaft 52 and the ventilation duct 2 is controlled.

[0052] Referring to Figure 6 and Figure 10 As shown in the drawings: the dust cover 51 is provided with a dust screen 55, one end of the main shaft 52 extends downward out of the dust cover 51, and the lower end of the dust cover 51 is provided with a cleaning structure 56, the cleaning structure 56 includes a telescopic arm 561 and a cleaning assembly 562, one end of the telescopic arm 561 is connected with the main shaft 52, and the cleaning assembly 562 is arranged at the other end of the telescopic arm 561.

[0053] Specifically, the cleaning assembly 562 includes a support 5621, a rotating shaft 5622 and a cleaning roller 5623, the support 5621 is connected with the end of the telescopic arm 561, the rotating shaft 5622 is connected with the two ends of the support 5621 respectively, and the cleaning roller 5623 is connected with the middle part of the rotating shaft 5622.

[0054] The air flow acceleration structure 53 sucks the air outside the dust cover 51 into the dust cover 51 and then blows the air to the ventilation duct 2. If the air entering the dust cover 51 is not de-dusted, the dust in the air passing through the fan blade 531 will adhere to the fan blade 531, causing the mass of the fan blade 531 to increase. Therefore, the dust screen 55 and the cleaning structure 56 are arranged. The air entering the dust cover 51 passes through the dust screen 55. The dust screen 55 adsorbs the dust in the air, ensures that the air entering the ventilation duct 2 is relatively pure, avoids the accumulation of dust on the fan blade 531, reduces the mass burden of the fan blade 531, and maintains the stable operation of the fan blade 531. When the main shaft 52 drives the fan blade 531 to rotate, the main shaft 52 also drives the telescopic arm 561 connected with the main shaft 52 to rotate. The rotation of the telescopic arm 561 further drives the cleaning assembly 562 to rotate around the axis of the main shaft 52, so that the cleaning roller 5623 can periodically contact and clean the surface of the dust screen 55. The dust screen 55 is effectively prevented from excessive accumulation of dust, the continuous filtering efficiency of the dust screen 55 is ensured, and the overall air intake efficiency is maintained. Through the dual action of the dust screen 55 and the cleaning structure 56, the dust in the air is effectively filtered and cleaned, so as to ensure the air quality entering the ventilation duct 2 and prolong the service life of the fan blade 531 and the whole fan.

[0055] Referring to Figure 10 and Figure 11 As shown in the figure, one end of the cleaning assembly 562 is provided with a linkage assembly 563. The linkage assembly 563 includes a gear ring 5632 and a linkage gear 5631. The gear ring 5632 is coaxially arranged with the main shaft 52 and is fixedly connected with the dust cover 51. The linkage gear 5631 is connected with the cleaning assembly 562 and is engaged with the gear ring 5632.

[0056] During the cleaning process, when the cleaning roller 5623 rotates with the telescopic arm 561 around the main shaft 52 to clean the dust screen 55, if the contact point between the cleaning roller 5623 and the dust screen 55 remains unchanged, a large amount of dust may accumulate near the contact point, causing the cleaning effect to gradually weaken. Therefore, the linkage assembly 563 is arranged. With the revolution of the cleaning roller 5623, the linkage gear 5631 also rotates around the main shaft 52. Due to the engagement between the linkage gear 5631 and the gear ring 5632, when the linkage gear 5631 revolves, it is also driven by the gear ring 5632 to rotate around its own axis. The rotation of the linkage gear 5631 drives the cleaning roller 5623 connected thereto to rotate. Therefore, the cleaning roller 5623 rotates while revolving, so that the contact point between the cleaning roller 5623 and the dust screen 55 changes constantly, avoiding excessive accumulation of dust in a certain area. Through the compound motion mode, it is ensured that the cleaning roller 5623 can continuously and effectively clean the dust screen 55, thereby maintaining the consistency and efficiency of the cleaning effect.

[0057] A control method of a 20kV intelligent ring network cabinet of remote real-time dynamic regulation, applied to the 20kV intelligent ring network cabinet of remote real-time dynamic regulation, comprising the following steps:

[0058] S1, the temperature in the cabinet 1 is in a remote monitoring state, when it is monitored that the temperature in the cabinet 1 is lower than the preset temperature, the fresh air mechanism 5 is not started, and the hot air in the cabinet 1 will gather in the inside of the ventilation duct 2 and move upward, and the exhaust mechanism 4 will exhaust the hot air;

[0059] S2, when it is monitored that the temperature in the cabinet 1 is higher than the preset temperature, the fresh air mechanism 5 is started, the fresh air mechanism 5 blows the hot air in the ventilation duct 2 to flow fast, reduces the air pressure in the ventilation duct 2, so that the ventilation duct 2 generates suction force to the air in the inside of the cabinet 1, and the air in the inside of the cabinet 1 flows into the ventilation duct 2 along the air inlet 21 horizontally;

[0060] S3, when the air flow rate in the ventilation duct 2 is still unable to reduce the temperature in the cabinet 1 fast, the linkage structure 54 connects the ventilation duct 2 with the fresh air mechanism 5, so that the ventilation duct 2 rotates around itself, strengthens the suction force to the air in the inside of the cabinet 1, and makes the hot air flow out fast.

[0061] The above embodiment only expresses one or several embodiments of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. An intelligent ring main unit, characterized in that, The cabinet (1) includes a cabinet body (1) with multiple air intake grilles (11) on its surface and a heat dissipation mechanism that runs vertically through the cabinet body (1). The heat dissipation mechanism includes a ventilation duct (2), an exhaust mechanism (4), and a fresh air mechanism (5). The ventilation duct (2) is vertically installed inside the cabinet body (1), and multiple air intake channels (21) facing its own rotation direction are opened on the outer wall of the ventilation duct (2). The exhaust mechanism (4) is located at the top of the ventilation duct (2) and is connected to the ventilation duct (2). The exhaust mechanism (4) draws air from the ventilation duct (2). The fresh air mechanism (5) is located at the top of the ventilation duct (1). 2) The bottom of the ventilation duct (2) is connected to the ventilation duct (2). The fresh air mechanism (5) can apply an upward force to the air in the ventilation duct (2) to accelerate the air flow rate in the ventilation duct (2). The fresh air mechanism (5) can also apply a rotational force to the air in the ventilation duct (2) while accelerating the air in the ventilation duct (2). The fresh air mechanism (5) includes an annular dust cover (51) with multiple air inlets on the side wall. The dust cover (51) has a main shaft (52) coaxial with the ventilation duct (2) inside. An airflow acceleration structure (53) is installed on the main shaft (52). The airflow acceleration structure (53) The main shaft (52) is used to draw in external air into the dust cover (51) and blow it towards the ventilation duct (2). One end of the main shaft (52) extends upward into the interior of the ventilation duct (2), and a linkage structure (54) is provided at one end of the main shaft (52). The linkage structure (54) includes a linkage block (541), a docking assembly (542), and a control assembly (543). The linkage block (541) is installed at the end of the main shaft (52). The docking assembly (542) is connected to the ventilation duct (2). The control assembly (543) is used to drive the docking assembly (542) to dock with the linkage block (541). The outer side of the linkage block (541) The surface is provided with multiple docking slots (5411). The docking assembly (542) includes a transmission block (5421) and multiple guide rods (5422) that are parallel to the axis of the ventilation duct (2) and fixedly connected to the ventilation duct (2). The transmission block (5421) and the multiple guide rods (5422) are slidably connected at the same time. The inner side of the transmission block (5421) is provided with multiple docking blocks (5423) that are connected to the docking slots (5411). The control assembly (543) includes two magnetic rings (5431), and at least one of the two magnetic rings (5431) is a magnetic ring (5431) that can be energized to change its magnetism.

2. The intelligent ring main unit according to claim 1, characterized in that, The heat dissipation mechanism also includes support structures (3) set at both ends of the ventilation duct (2). The support structure (3) includes a conical support plate (31) and a conical support component (32) set inside the conical support plate (31). The conical support plate (31) is coaxially set with the ventilation duct (2) and connected to the ventilation duct (2). The conical support component (32) abuts against the inner wall of the conical support plate (31).

3. The intelligent ring main unit according to claim 1, characterized in that, The exhaust mechanism (4) includes an exhaust pipe (41) and a non-powered vent cap (42); the exhaust pipe (41) is coaxially arranged with the ventilation pipe (2), and one end of the exhaust pipe (41) extends upward out of the cabinet (1); the non-powered vent cap (42) is arranged on the outer wall of the cabinet (1) and connected to the exhaust pipe (41).

4. The intelligent ring main unit according to claim 1, characterized in that, The dust cover (51) is covered with a dustproof net (55), one end of the main shaft (52) extends downward out of the dust cover (51), and the lower end of the dust cover (51) is provided with a cleaning structure (56). The cleaning structure (56) includes a telescopic arm (561) and a cleaning component (562). One end of the telescopic arm (561) is connected to the main shaft (52), and the cleaning component (562) is provided at the other end of the telescopic arm (561).

5. The intelligent ring main unit according to claim 4, characterized in that, One end of the cleaning component (562) is provided with a linkage component (563). The linkage component (563) includes a gear ring (5632) and a linkage gear (5631). The gear ring (5632) is coaxially arranged with the main shaft (52) and is fixedly connected to the dust cover (51). The linkage gear (5631) is connected to the cleaning component (562) and meshes with the gear ring (5632).

6. A control method for an intelligent ring main unit, applied to an intelligent ring main unit as described in any one of claims 1-5, characterized in that, Includes the following steps: S1. The temperature inside the cabinet (1) is under remote monitoring. When the temperature inside the cabinet (1) is lower than the preset temperature, the fresh air mechanism (5) will not start, and the hot air inside the cabinet (1) will gather inside the ventilation duct (2) and move upward. The exhaust mechanism (4) will exhaust the hot air. S2. When the temperature inside the cabinet (1) is detected to be higher than the preset temperature, the fresh air mechanism (5) is activated. The fresh air mechanism (5) blows the hot air in the ventilation duct (2) to flow rapidly, reducing the air pressure in the ventilation duct (2) and causing the ventilation duct (2) to generate suction on the air inside the cabinet (1). As a result, the air inside the cabinet (1) flows horizontally into the ventilation duct (2) along the air inlet (21). S3. When increasing the airflow rate in the ventilation duct (2) still fails to quickly reduce the temperature inside the cabinet (1), the linkage structure (54) connects the ventilation duct (2) to the fresh air mechanism (5), causing the ventilation duct (2) to rotate around itself, strengthening the suction force on the air inside the cabinet (1), and allowing the hot air to be discharged quickly.

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