A low-voltage power distribution cabinet

Abstract

The application discloses a low-voltage power distribution cabinet, and relates to the technical field of power distribution cabinets, which comprises a cabinet body, a transmission pipe rotatably connected to the bottom of the cabinet body, a driving mechanism transmissionally connected to the outer surface of the transmission pipe, and an air inlet heat dissipation mechanism arranged on an air inlet box and the transmission pipe. The low-voltage power distribution cabinet is driven to rotate by the driving mechanism, the transmission pipe drives the first fan blade in the air inlet box to rotate, then air is taken in through the air inlet pipe, so that the air outside the cabinet body enters the second installation pipe through the first installation pipe, then the transmission iron ring and the air blowing pipe are driven to move up and down by the pressure matching mechanism in the second installation pipe and the permanent magnet block in the first installation pipe, so that the air blowing pipe drives the multiple air blowing heads to reciprocate up and down, and each component in the cabinet body is fully and uniformly blown and heat-dissipated, thereby greatly improving the heat dissipation effect of the components in the cabinet body.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power distribution cabinet, and particularly relates to a low-voltage power distribution cabinet. BACKGROUND

[0002] The rated current of the low-voltage power distribution cabinet is an alternating current of 50 Hz and a rated voltage of 380 V, which is used as power, lighting and power distribution for power conversion and control. The product has the characteristics of strong breaking capacity, good dynamic and thermal stability, flexible electrical scheme, convenient combination, strong series and practicality, and novel structure. When the low-voltage power distribution cabinet is used, the cabinet body needs to be blown and cooled because the internal electrical components generate a large amount of heat during operation.

[0003] In the prior art, the fan is usually installed at the bottom or side of the power distribution cabinet to blow air from the outside to the internal components of the cabinet body for cooling. However, during the cooling process, some electrical components are blocked by other components, so that the air from the outside cannot be blown to the surface of the electrical components for cooling. Over time, the electrical components can be damaged, resulting in poor cooling effect of the internal components of the cabinet body. In addition, the dust in the air cannot be fully filtered during the cooling process, and a large amount of dust can accumulate in the cabinet body after a long time of blowing and cooling, causing damage to the internal components of the cabinet body. SUMMARY

[0004] The present application aims to provide a low-voltage power distribution cabinet to solve the problems in the background art.

[0005] The object of the present application can be achieved by the following technical solutions:

[0006] A low-voltage power distribution cabinet, comprising a cabinet body, a transmission pipe rotatably connected to the bottom of the cabinet body, a drive mechanism drivingly connected to the outer surface of the transmission pipe, the drive mechanism being configured to drive the transmission pipe to rotate, an air inlet box fixedly connected to the cabinet body and rotatably connected to the transmission pipe, and a plurality of air inlet pipes fixedly connected to the outer surface of the transmission pipe.

[0007] An air inlet cooling mechanism is arranged on the air inlet box and the transmission pipe, and is configured to uniformly cool the internal components of the cabinet body.

[0008] The air inlet filtering mechanism is arranged on the air inlet pipe and is used for filtering dust in air and self-cleaning the filtered dust.

[0009] As a further scheme of the present application, the air inlet heat dissipation mechanism comprises a first fan blade fixedly connected with the transmission pipe, a plurality of air inlets are arranged on the outer surface of the transmission pipe in the air inlet box, an air outlet ring pipe is fixedly connected to the top of the air inlet box through a pipeline, two first installation pipes are fixedly connected to the outer surface of the air outlet ring pipe, transmission iron rings are slidably connected to the outer surface of the first installation pipes, a blowing pipe is fixedly connected between the two transmission iron rings, a plurality of blowing heads are fixedly connected to the blowing pipe, permanent magnet blocks are slidably connected in the first installation pipes, two second installation pipes are fixedly connected to the outer surface of the first installation pipes, hoses fixedly connected with the blowing pipe are fixedly connected to one end of the second installation pipes, and a pressure control mechanism is arranged in the second installation pipes and used for automatically controlling air inlet of the second installation pipes.

[0010] As a further scheme of the present application, the pressure control mechanism comprises an installation ring fixedly connected with the second installation pipe, a connecting rod is fixedly connected in the second installation pipe, a first telescopic rod is fixedly connected to one side of the connecting rod, a sealing block slidably connected with the installation ring is fixedly connected to one end of the first telescopic rod, and a first spring fixedly connected with the sealing block is fixedly sleeved on the outer surface of the first telescopic rod.

[0011] As a further scheme of the present application, a plurality of first rolling balls are rotatably connected to the inner surface of the transmission iron ring.

[0012] As a further scheme of the present application, the air inlet filtering mechanism comprises a plurality of first installation grooves arranged on the air inlet pipe, a plurality of dustproof filter screen plates are fixedly connected in the first installation grooves, an installation ring plate is fixedly connected to the outer surface of the air inlet pipe, a second spring is fixedly connected to one side of the installation ring plate, a cleaning ring plate slidably connected with the air inlet pipe is fixedly connected to one end of the second spring, a first cleaning brush slidably connected with the dustproof filter screen plate is fixedly connected to the inner surface of the cleaning ring plate, and a reverse blowing mechanism in transmission connection with the transmission pipe is arranged in the air inlet box and used for reverse blowing of the air inlet pipe to further clean dust filtered by the dustproof filter screen plate.

[0013] As a further scheme of the present application: the reverse blowing mechanism comprises a mounting shaft rotationally connected with the air inlet box, a second fan blade is fixedly connected to the outer surface of the mounting shaft, a second telescopic rod is fixedly connected to the bottom end of the mounting shaft, a transmission electromagnet disc is fixedly connected to the bottom end of the second telescopic rod, a third spring fixedly connected with the transmission electromagnet disc is fixedly sleeved to the outer surface of the second telescopic rod, a transmission block is fixedly connected to the bottom of the transmission electromagnet disc, and a transmission groove in sliding connection with the transmission block is formed in the top of the transmission pipe.

[0014] As a further scheme of the present application: the mounting ring plate is fixedly connected with a protective pipe on one side, a plurality of second mounting grooves are formed in the outer surface of the protective pipe, a protective filter screen plate is fixedly connected in the second mounting grooves, and a second cleaning brush in sliding connection with the protective filter screen plate is fixedly connected to the outer surface of the cleaning ring plate.

[0015] As a further scheme of the present application: a plurality of mounting blocks are fixedly connected to the inner surface of the mounting ring plate, and a second ball bearing in sliding connection with the air inlet pipe is rotationally connected to one side of the mounting block.

[0016] As a further scheme of the present application: an air inlet pipe is fixedly connected to the outer surface of the transmission pipe, an electromagnetic valve is arranged on the air inlet pipe, an electromagnetic valve is arranged on the transmission pipe, a carbon dioxide cylinder fixedly connected with the cabinet is fixedly connected to one side of the air inlet pipe, and a temperature sensor is arranged in the cabinet.

[0017] As a further scheme of the present application: an air outlet pipe is fixedly connected to the top of the cabinet, and a dustproof net is fixedly connected to the top of the air outlet pipe.

[0018] The present application has the following advantages:

[0019] (1) The transmission pipe is driven to rotate by the driving mechanism, the first fan blade in the air inlet box is driven to rotate by the transmission pipe, air is then taken in through the air inlet pipe, so that the air outside enters into the second mounting pipe, the transmission iron ring and the blowing pipe are then driven to move up and down by the pressure matching mechanism in the second mounting pipe and the permanent magnet block in the first mounting pipe, so that the blowing pipe drives the plurality of blowing heads to move up and down reciprocally, each component in the cabinet is fully and uniformly blown and cooled by the blowing pipe, and the cooling effect of the components in the cabinet is greatly improved.

[0020] (2) In the process of air suction and heat dissipation, the impurities and dust in the air are automatically filtered through the protective filter screen plate on the protective pipe and the dustproof filter screen plate on the air inlet pipe, effectively preventing the dust and impurities in the air from entering the cabinet and causing damage to the components in the cabinet, further improving the heat dissipation effect of the components, and at the same time, the air inlet pipe is driven to rotate by the transmission pipe, thereby driving the cleaning ring plate to move back and forth, and the first cleaning brush and the second cleaning brush are driven by the cleaning ring plate to automatically clean the dustproof filter screen plate and the protective filter screen plate, effectively preventing the filter screen plate from being blocked by impurities and dust, and improving the smoothness of air inlet.

[0021] (3) When the heat dissipation is completed, the transmission pipe is driven to rotate in the opposite direction by the driving motor, and then the air inlet pipe is directionally blown by the cooperation of the reverse blowing mechanism, and the dustproof filter screen plate and the protective filter screen plate are blown by the air inlet pipe, and the impurities and dust on the dustproof filter screen plate and the protective filter screen plate are blown and cleaned, and at the same time, the first cleaning brush and the second cleaning brush are brushed, thereby realizing sufficient cleaning of the dustproof filter screen plate and the protective filter screen plate.

[0022] (4) When a fire occurs in the cabinet, the temperature sensor detects that the temperature in the cabinet is too high at this time, the electromagnetic valve on the air inlet pipe is opened and the electromagnetic valve on the transmission pipe is closed at this time, and then the carbon dioxide gas cylinder supplies carbon dioxide gas into the transmission pipe through the air inlet pipe, and then drives the blowing pipe and the blowing head to blow carbon dioxide gas into the cabinet, and at the same time, the air in the cabinet is discharged, and the contact between the combustible material in the cabinet and oxygen is blocked, thereby further improving the fire extinguishing effect of the cabinet. BRIEF DESCRIPTION OF DRAWINGS

[0023] The application will be further described below with reference to the accompanying drawings.

[0024] Figure 1 is the first perspective view of the external structure of the application;

[0025] Figure 2 is the perspective view of the internal structure of the application;

[0026] Figure 3 is the perspective view of the internal structure of the cabinet, air inlet box and protective pipe of the application;

[0027] Figure 4 is the main view of the internal structure of the first installation pipe, the second installation pipe and the blowing pipe of the application;

[0028] Figure 5 is the perspective view of the external structure of the air inlet pipe of the application;

[0029] Figure 6 is the enlarged view of A in the application Figure 3 ;

[0030] Figure 7 is the application Figure 4 is an enlarged view of B in the application.

[0031] In the figure: 1, cabinet body; 2, transmission pipe; 3, air inlet box; 4, air inlet pipe; 11, first fan blade; 12, air inlet; 13, air outlet ring pipe; 14, first mounting pipe; 15, transmission iron ring; 16, air blowing pipe; 17, air blowing head; 18, permanent magnet block; 19, second mounting pipe; 190, hose; 191, first ball; 21, mounting ring; 22, connecting rod; 23, first telescopic rod; 24, sealing block; 25, first spring; 31, first mounting groove; 32, dustproof filter screen plate; 33, mounting ring plate; 34, second spring; 35, cleaning ring plate; 36, first cleaning brush; 37, mounting block; 38, second ball; 41, mounting shaft; 42, second fan blade; 43, second telescopic rod; 44, transmission electromagnet disc; 45, third spring; 46, transmission block; 47, transmission groove; 51, protective pipe; 52, second mounting groove; 53, protective filter screen plate; 54, second cleaning brush; 61, air inlet pipe; 62, carbon dioxide gas cylinder; 63, temperature sensor; 71, air outlet pipe; 72, dustproof screen; 81, driving motor; 82, driving shaft; 83, first driving gear; 84, second driving gear. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0033] Embodiment one

[0034] Please refer to Figures 1-7As shown, the present application is a low-voltage power distribution cabinet, comprising a cabinet body 1, the bottom of the cabinet body 1 is rotatably connected with a transmission pipe 2, the outer surface of the transmission pipe 2 is drivingly connected with a driving mechanism, the driving mechanism is used to drive the transmission pipe 2 to rotate, the cabinet body 1 is fixedly connected with an air inlet box 3 rotatably connected with the transmission pipe 2, the outer surface of the transmission pipe 2 is fixedly connected with a plurality of air inlet pipes 4, the driving mechanism comprises a driving motor 81 fixedly connected with the cabinet body 1, the driving motor 81 is controlled by a PLC programming program, which can control the driving motor 81 to rotate forward and reverse and the rotation angle, the output end of the driving motor 81 is fixedly connected with a driving shaft 82 through a shaft coupling, the outer surface of the driving shaft 82 is fixedly sleeved with a first driving gear 83, the outer surface of the first driving gear 83 is meshingly connected with a second driving gear 84 fixedly sleeved with the transmission pipe 2, the driving motor 81 drives the driving shaft 82 to rotate, the driving shaft 82 drives the transmission pipe 2 to rotate through the first driving gear 83 and the second driving gear 84, the air inlet box 3 is provided with an air inlet heat dissipation mechanism connected with the transmission pipe 2, the air inlet heat dissipation mechanism is used to uniformly heat the components in the cabinet body 1, the air inlet pipe 4 is provided with an air inlet filtering mechanism, the air inlet filtering mechanism is arranged on the air inlet pipe 4, the air inlet filtering mechanism is used to filter the dust in the air and self-clean the filtered dust.

[0035] The driving mechanism drives the transmission pipe 2 to rotate, the transmission pipe 2 drives the air inlet heat dissipation mechanism to rotate, the air inlet heat dissipation mechanism fully and uniformly heats the components installed in the power distribution cabinet, improving the heat dissipation effect of the components in the cabinet body 1, and at the same time, the air inlet filtering mechanism filters the dust in the air during the heat dissipation process, preventing the dust in the air from entering the cabinet body 1 during the heat dissipation process, damaging the components in the cabinet body 1, further improving the heat dissipation effect and protection effect of the components in the cabinet body 1.

[0036] Example two

[0037] Based on example one, please refer to Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 7As shown, the air inlet heat dissipation mechanism includes the first fan blade 11 fixedly sleeved with the transmission pipe 2, a plurality of air inlets 12 are arranged on the outer surface of the transmission pipe 2 located in the air inlet box 3, the top of the air inlet box 3 is fixedly connected with the air outlet ring pipe 13 through a pipeline, the outer surface of the air outlet ring pipe 13 is fixedly connected with two first installation pipes 14, the outer surface of the first installation pipe 14 is slidingly connected with the transmission iron ring 15, the two transmission iron rings 15 are fixedly connected with the blowing pipe 16, a plurality of blowing heads 17 are fixedly connected on the blowing pipe 16, the first installation pipe 14 is slidingly connected with the permanent magnet block 18, the outer surface of the first installation pipe 14 is fixedly connected with two second installation pipes 19, one end of the second installation pipe 19 is fixedly connected with the hose 190 fixedly connected with the blowing pipe 16, the inner surface of the transmission iron ring 15 is rotatably connected with a plurality of first balls 191, the second installation pipe 19 is provided with a pressure control mechanism, the pressure control mechanism is used for automatically controlling the air inlet of the second installation pipe 19, the pressure control mechanism includes the installation ring 21 fixedly connected with the second installation pipe 19, the second installation pipe 19 is fixedly connected with the connecting rod 22, one side of the connecting rod 22 is fixedly connected with the first telescopic rod 23, one end of the first telescopic rod 23 is fixedly connected with the sealing block 24 slidingly connected with the installation ring 21, the outer surface of the first telescopic rod 23 is fixedly sleeved with the first spring 25 fixedly connected with the sealing block 24.

[0038] The transmission pipe 2 is driven to rotate by the driving mechanism, and the first fan blade 11 is driven to rotate by the transmission pipe 2, and the first fan blade 11 rotates in the air inlet box 3. At this time, the first fan blade 11 sucks air through the air inlet 12 to the transmission pipe 2 and the air inlet pipe 4, and then the external air enters the transmission pipe 2 through the air inlet 12 on the transmission pipe 2, and then enters the air inlet box 3. The air inlet box 3 blows air into the first installation pipe 14 through the pipe and the air outlet ring pipe 13, and then the permanent magnet block 18 moves upward in the first installation pipe 14 under the action of the wind blowing force. The permanent magnet block 18 drives the transmission iron ring 15 to slide upward on the outer surface of the first installation pipe 14, and the transmission iron ring 15 drives the air blowing pipe 16 to move upward. At the same time, the sealing block 24 also moves under the pressure of the wind blowing, so that the first telescopic rod 23 and the first spring 25 are stretched. Then increase the rotation speed of the driving motor 81, increase the wind power, at this time the sealing block 24 moves out of the installation ring 21, and the air enters the hose 190 through the second installation pipe 19. Then the hose 190 blows air to the components in the cabinet 1 through the multiple air blowing heads 17 on the air blowing pipe 16. Then, as the rotation speed of the driving motor 81 increases, the wind speed also increases. At this time, the sealing block 24 receives an increased thrust, and the first spring 25 is stretched, and the permanent magnet block 18 slowly moves upward under the action of the increased wind force, thereby driving the transmission iron ring 15 and the air blowing pipe 16 to slowly move upward, so that the multiple air blowing heads 17 on the air blowing pipe 16 blow air to the components in the cabinet 1 from bottom to top. Then reduce the rotation speed of the driving motor 81, reduce the wind power, and the first spring 25 contracts, and the permanent magnet block 18 moves upward, so that the air blowing pipe 16 moves upward. In turn, reciprocatingly, the air blowing pipe 16 reciprocally blows air to each component in the cabinet 1, thereby greatly improving the heat dissipation effect of the components in the cabinet 1.

[0039] Example Three

[0040] Based on Example Two, please refer to Figure 3 , Figure 5 and Figure 6As shown, the air inlet filtering mechanism includes a plurality of first installation slots 31 formed on the air inlet pipe 4, a plurality of dustproof filter screens 32 fixedly connected in the first installation slots 31, an installation ring plate 33 fixedly connected to the outer surface of the air inlet pipe 4, a second spring 34 fixedly connected to one side of the installation ring plate 33, a cleaning ring plate 35 slidably connected to one end of the second spring 34, a first cleaning brush 36 slidably connected to the inner surface of the cleaning ring plate 35, a plurality of installation blocks 37 fixedly connected to the inner surface of the installation ring plate 33, a second rolling ball 38 rotatably connected to one side of the installation block 37 and slidably connected to the air inlet pipe 4, and a reverse air blowing mechanism drivingly connected to the transmission pipe 2 and arranged in the air inlet box 3. The reverse air blowing mechanism is used for reverse air blowing of the air inlet pipe 4, so that the dust filtered by the dustproof filter screen 32 is further cleaned.

[0041] One side of the installation ring plate 33 is fixedly connected with a protection pipe 51, a plurality of second installation slots 52 are formed on the outer surface of the protection pipe 51, and a protection filter screen 53 is fixedly connected in the second installation slots 52. The outer surface of the cleaning ring plate 35 is fixedly connected with a second cleaning brush 54 slidably connected with the protection filter screen 53.

[0042] During the air blowing and heat dissipation process, the air first passes through the protection filter screen 53 on the protection pipe 51 to filter larger impurities in the air. The air preliminarily filtered passes through the dustproof filter screen 32 on the air inlet pipe 4 to filter dust in the air, effectively reducing the dust in the air entering the heat dissipation to reduce the damage of the dust to the components in the voltage cabinet. At the same time, during the air inlet process, the driving motor 81 is driven to rotate at a high speed, thereby driving the transmission pipe 2 to rotate, and the transmission pipe 2 drives the air inlet pipe 4 to rotate. At this time, the cleaning ring plate 35 on the air inlet pipe 4 moves outward under the action of centrifugal force, the second spring 34 is stretched, and the cleaning ring plate 35 drives the first cleaning brush 36 and the second cleaning brush 54 to move. The first cleaning brush 36 cleans the outer surface of the dustproof filter screen 32, and the second cleaning brush 54 cleans the inner surface of the protection filter screen 53. When the driving motor 81 moves at a low speed, the centrifugal force decreases at this time, and the cleaning ring plate 35 moves inward under the action of the tension of the second spring 34. At this time, the first cleaning brush 36 and the second cleaning brush 54 are driven to move inward, and the first cleaning brush 36 and the second cleaning brush 54 are sequentially reciprocated, thereby realizing the reciprocating movement of the dustproof filter screen 32 and the protection filter screen 53. The dust and impurities filtered on the surface of the dustproof filter screen 32 and the protection filter screen 53 are self-cleaned, effectively preventing the dust and impurities from blocking the dustproof filter screen 32 and the protection filter screen 53, and improving the smoothness of the air inlet.

[0043] The reverse blowing mechanism comprises a mounting shaft 41 rotationally connected with the air inlet box 3, a second fan blade 42 fixedly connected with the outer surface of the mounting shaft 41, a second telescopic rod 43 fixedly connected with the bottom end of the mounting shaft 41, a transmission electromagnet disc 44 fixedly connected with the bottom end of the second telescopic rod 43, a third spring 45 fixedly sleeved with the outer surface of the second telescopic rod 43 and fixedly connected with the transmission electromagnet disc 44, a transmission block 46 fixedly connected with the bottom of the transmission electromagnet disc 44, and a transmission groove 47 formed in the top of the transmission pipe 2 and slidably connected with the transmission block 46.

[0044] When the dustproof filter screen 32 and the protective filter screen 53 are cleaned, the transmission electromagnet disc 44 is electrified at this time, the transmission electromagnet disc 44 is adsorbed to the transmission pipe 2 which is made of iron, the transmission electromagnet disc 44 moves downward at this time, the transmission electromagnet disc 44 is adsorbed to the top of the transmission pipe 2, the second telescopic rod 43 and the third spring 45 are stretched, the driving motor 81 is reversely rotated at this time, the transmission pipe 2 is reversely rotated, the transmission block 46 on the transmission electromagnet disc 44 enters into the transmission groove 47 under the action of the suction force at this time, the transmission pipe 2 drives the transmission electromagnet disc 44, the second telescopic rod 43 and the mounting shaft 41 to rotate, the mounting shaft 41 drives the second fan blade 42 to rotate, the second fan blade 42 blows air downward at this time, the air inlet box 3 sucks air through the pipeline, the air outlet ring pipe 13 and the first mounting pipe 14 to the second mounting pipe 19 at this time, the sealing block 24 is sucked to move out of the mounting ring 21 at this time, the air enters into the second mounting pipe 19 through the blowing pipe 16 and the hose 190 at this time, the transmission pipe 2 blows air to the second mounting pipe 19, the air inlet pipe 4 blows air to the dustproof filter screen 32 and the protective filter screen 53, the impurities and dust on the dustproof filter screen 32 and the protective filter screen 53 are blown and cleaned, the dustproof filter screen 32 and the protective filter screen 53 are fully cleaned through the brushing of the first cleaning brush 36 and the second cleaning brush 54.

[0045] Example four

[0046] On the basis of example two, please refer to Figure 1 and Figure 2 As shown in the drawings, the outer surface of the transmission pipe 2 is fixedly connected with an air inlet pipe 61, the air inlet pipe 61 is provided with an electromagnetic valve, the transmission pipe 2 is provided with an electromagnetic valve, one side of the air inlet pipe 61 is fixedly connected with a carbon dioxide gas cylinder 62 fixedly connected with the cabinet 1, and the cabinet 1 is provided with a temperature sensor 63.

[0047] When the fire occurs in the cabinet 1, the temperature sensor 63 in the cabinet 1 monitors that the temperature is too high, at this time, the electromagnetic valve on the transmission pipe 2 is closed, the electromagnetic valve on the air inlet pipe 61 is automatically opened, the carbon dioxide gas in the carbon dioxide cylinder 62 enters the transmission pipe 2 through the air inlet pipe 61, then the transmission pipe 2 enters the first installation pipe 14 through the air outlet ring pipe 13, then the carbon dioxide gas is blown out through the blowing head 17 on the blowing pipe 16 under the pressure of the carbon dioxide gas, the carbon dioxide gas is blown into the cabinet 1, the cabinet 1 is extinguished, and the air in the cabinet 1 is discharged, so that the combustible material in the cabinet 1 is prevented from contacting with oxygen, and the extinguishing effect of the cabinet 1 is further improved.

[0048] The working principle of the application is as follows: the driving mechanism drives the transmission pipe 2 to rotate, the transmission pipe 2 drives the first fan blade 11 to rotate, the first fan blade 11 rotates in the air inlet box 3, at this time, the first fan blade 11 sucks air through the air inlet 12 to the transmission pipe 2 and the air inlet pipe 4, then the external air enters the transmission pipe 2 through the air inlet pipe 4, and then enters the air inlet box 3 through the air inlet 12 on the transmission pipe 2, then the air inlet box 3 blows air to the first installation pipe 14 through the pipeline and the air outlet ring pipe 13, then the permanent magnet block 18 moves upward in the first installation pipe 14 under the blowing force, the permanent magnet block 18 drives the transmission iron ring 15 to slide upward on the outer surface of the first installation pipe 14, the transmission iron ring 15 drives the blowing pipe 16 to move upward, and the sealing block 24 also moves under the pressure of the blowing air, so that the first telescopic rod 23 and the first spring 25 are stretched, then the rotation speed of the driving motor 81 is increased, the wind power is increased, at this time, the sealing block 24 moves out of the mounting ring 21, the air enters the hose 190 through the second installation pipe 19, then the hose 190 blows air to the components in the cabinet 1 through the plurality of blowing heads 17 on the blowing pipe 16, then the rotation speed of the driving motor 81 is increased, the wind speed is also increased, at this time, the thrust on the sealing block 24 is increased, the first spring 25 is stretched, and the permanent magnet block 18 slowly moves upward under the increased wind force, so as to drive the transmission iron ring 15 and the blowing pipe 16 to slowly move upward, so that the plurality of blowing heads 17 on the blowing pipe 16 blow air to the components in the cabinet 1 from bottom to top, then the rotation speed of the driving motor 81 is reduced, the wind power is reduced, the first spring 25 is contracted, the permanent magnet block 18 moves upward, and the blowing pipe 16 moves upward, and the blowing pipe 16 reciprocates upward and downward, so that each component in the cabinet 1 is fully and uniformly blown and cooled by the blowing pipe 16, and the cooling effect of the components in the cabinet 1 is greatly improved.

[0049] The above has been described in detail one embodiment of the present application, but the content is only the preferred embodiment of the present application, cannot be considered for limiting the scope of the present application. Any equivalent changes and improvements made in the scope of the present application, should still belong to the scope of the present application.

Claims

1. A low-voltage distribution cabinet, comprising a cabinet body (1), characterized in that, The bottom of the cabinet (1) is rotatably connected to a transmission pipe (2), and the outer surface of the transmission pipe (2) is connected to a drive mechanism. The drive mechanism is used to drive the transmission pipe (2) to rotate. The cabinet (1) is fixedly connected to an air inlet box (3) that is rotatably connected to the transmission pipe (2), and the outer surface of the transmission pipe (2) is fixedly connected to multiple air inlet pipes (4). An air intake heat dissipation mechanism is installed on the air intake box (3) and the transmission pipe (2). The air intake heat dissipation mechanism is used to uniformly dissipate heat from the components inside the cabinet. An air intake filter mechanism is installed on the air intake pipe (4). The air intake filter mechanism is used to filter dust in the air and to self-clean the filtered dust. The air intake and heat dissipation mechanism includes a first fan blade (11) fixedly sleeved with the transmission pipe (2). The transmission pipe (2) has multiple air inlets (12) on its outer surface inside the air intake box (3). The top of the air intake box (3) is fixedly connected to an air outlet ring pipe (13) via a pipe. Two first mounting pipes (14) are fixedly connected to the outer surface of the air outlet ring pipe (13). A transmission iron ring (15) is slidably connected to the outer surface of the first mounting pipe (14). A blower pipe (15) is fixedly connected between the two transmission iron rings (15). 6) A plurality of blower heads (17) are fixedly connected to the blower pipe (16), a permanent magnet block (18) is slidably connected inside the first mounting pipe (14), two second mounting pipes (19) are fixedly connected to the outer surface of the first mounting pipe (14), a flexible hose (190) fixedly connected to the blower pipe (16) is fixedly connected to one end of the second mounting pipe (19), and a pressure control mechanism is provided inside the second mounting pipe (19), the pressure control mechanism is used to automatically control the air intake of the second mounting pipe (19); The pressure control mechanism includes a mounting ring (21) fixedly connected to a second mounting tube (19), a connecting rod (22) fixedly connected inside the second mounting tube (19), a first telescopic rod (23) fixedly connected to one side of the connecting rod (22), a sealing block (24) slidably connected to the mounting ring (21) at one end of the first telescopic rod (23), and a first spring (25) fixedly sleeved on the outer surface of the first telescopic rod (23) and fixedly connected to the sealing block (24). The inner surface of the transmission iron ring (15) is rotatably connected with a plurality of first balls (191). The air intake filtration mechanism includes multiple first mounting slots (31) opened on the air intake pipe (4). Multiple dust filter plates (32) are fixedly connected in the first mounting slots (31). An mounting ring plate (33) is fixedly connected to the outer surface of the air intake pipe (4). A second spring (34) is fixedly connected to one side of the mounting ring plate (33). A cleaning ring plate (35) that is slidably connected to the air intake pipe (4) is fixedly connected to one end of the second spring (34). A first cleaning brush (36) that is slidably connected to the dust filter plate (32) is fixedly connected to the inner surface of the cleaning ring plate (35). A reverse blower mechanism that is driven and connected to the transmission pipe (2) is provided in the air intake box (3). The reverse blower mechanism is used to reverse the air intake pipe (4) so ​​that the dust filtered by the dust filter plate (32) is further cleaned.

2. A low-voltage distribution cabinet according to claim 1, characterized in that, The reverse blower mechanism includes a mounting shaft (41) rotatably connected to the air inlet box (3). A second fan blade (42) is fixedly connected to the outer surface of the mounting shaft (41). A second telescopic rod (43) is fixedly connected to the bottom end of the mounting shaft (41). A transmission electromagnet disc (44) is fixedly connected to the bottom end of the second telescopic rod (43). A third spring (45) is fixedly sleeved on the outer surface of the second telescopic rod (43) and fixedly connected to the transmission electromagnet disc (44). A transmission block (46) is fixedly connected to the bottom of the transmission electromagnet disc (44). A transmission groove (47) that is slidably connected to the transmission block (46) is opened on the top of the transmission tube (2).

3. A low-voltage distribution cabinet according to claim 1, characterized in that, A protective tube (51) is fixedly connected to one side of the mounting ring plate (33). A plurality of second mounting grooves (52) are opened on the outer surface of the protective tube (51). A protective filter plate (53) is fixedly connected in the second mounting groove (52). A second cleaning brush (54) that is slidably connected to the protective filter plate (53) is fixedly connected to the outer surface of the cleaning ring plate (35).

4. A low-voltage distribution cabinet according to claim 1, characterized in that, The inner surface of the mounting ring plate (33) is fixedly connected with a plurality of mounting blocks (37), and one side of the mounting block (37) is rotatably connected with a second ball bearing (38) that is slidably connected to the air inlet pipe (4).

5. A low-voltage distribution cabinet according to claim 1, characterized in that, An air inlet pipe (61) is fixedly connected to the outer surface of the transmission pipe (2). An electromagnetic valve is provided on the air inlet pipe (61). An electromagnetic valve is provided on the transmission pipe (2). A carbon dioxide cylinder (62) is fixedly connected to the cabinet (1) on one side of the air inlet pipe (61). A temperature sensor (63) is provided inside the cabinet (1).

6. A low-voltage distribution cabinet according to claim 1, characterized in that, An exhaust pipe (71) is fixedly connected to the top of the cabinet (1), and a dustproof net (72) is fixedly connected to the top of the exhaust pipe (71).

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