Novel assembly structure compact type low-voltage cabinet

Abstract

The invention belongs to the technical field of low-voltage cabinets, and particularly relates to a novel assembly structure compact type low-voltage cabinet which comprises a cabinet body, an air extracting pump is installed at the top of the cabinet body, the air inlet end of the air extracting pump is fixedly communicated with an air inlet pipe, two sets of air inlet dehumidification assemblies are fixedly installed on the back face of the cabinet body, and the air extracting pump and a dustproof plate are started for dust prevention. Moisture in the air is absorbed through moisture absorption sponge plates, then dust and moisture in the air can be treated, after a large amount of moisture is accumulated on the moisture absorption sponge plate on the right side, redundant water is detected by a water immersion detection sensor, at the moment, a shell on the right side is closed by an induced air closing assembly, and a first electromagnetic valve is closed at the moment; when a second electromagnetic valve is opened, external air enters through the shell on the left side at the moment, hot air absorbed by an air suction pump enters the shell on the right side through an air supply pipe, the hot air dries a moisture absorption sponge plate on the right side, and then dehumidification treatment can be conducted.

Description

Technical Field

[0001] The invention relates to the technical field of low-voltage cabinets, and in particular to a low-voltage cabinet with a novel compact assembly structure. Background Art

[0002] The low-voltage cabinet, also known as the control cabinet, is a switchgear, measuring instrument, protective electrical appliance and auxiliary equipment assembled in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirements. Its layout should meet the requirements of normal operation of the power system, be easy to repair, and not endanger the safety of people and surrounding equipment. During normal operation, the circuit can be connected or disconnected with the help of manual or automatic switches. In case of fault or abnormal operation, the circuit can be cut off or alarmed with the help of protective electrical appliances. Various parameters in operation can be displayed by measuring instruments, and certain electrical parameters can be adjusted. It can also prompt or send signals when deviating from the normal working state. It is often used in various power generation, distribution and substations.

[0003] The applicant has found some typical prior art through searching, such as the low-voltage cabinets involved in the Chinese invention patents with application numbers CN109888631B, CN118336569B and CN115459096B. In the heat exchange process, the air in these low-voltage cabinets is easy to bring in dust and moisture, and the long-term accumulation of these impurities can easily cause short circuits and tripping accidents. In addition, the inhaled air is not dehumidified, and the influence of humidity is a chronic process. Maintenance is organized only when the equipment cannot operate at all, which not only increases the difficulty and intensity of maintenance, but also increases the maintenance cost. To this end, we propose a new type of compact low-voltage cabinet with a new assembly structure. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a novel low-pressure cabinet with a compact assembly structure. The vacuum pump is started, the dustproof plate is used for dust prevention, and the moisture in the air is absorbed by the hygroscopic sponge plate to absorb moisture, thereby processing the dust and moisture in the air. When a large amount of water is accumulated on the hygroscopic sponge plate on the right, the excess water will be detected by the water immersion detection sensor. At this time, the air induced closing component closes the shell on the right, and the first solenoid valve is closed, and the second solenoid valve is opened. At this time, the external air will enter through the shell on the left, and the hot air absorbed by the vacuum pump will enter the shell on the right through the air supply pipe. The hot air will dry the hygroscopic sponge plate on the right, thereby performing dehumidification treatment, thereby solving the background problem. The specific technical scheme is as follows:

[0005] A novel compact low-voltage cabinet with an assembly structure includes a cabinet body, a vacuum pump is installed on the top of the cabinet body, an air inlet end of the vacuum pump is fixedly connected to an air inlet pipe, and two sets of air inlet dehumidification components are fixedly installed on the back of the cabinet body;

[0006] The air inlet dehumidification assembly includes a shell, a dustproof plate is fixedly installed on the air inlet end of the shell, a moisture-absorbing sponge plate is installed in the inner middle part of the shell, an air outlet end of the shell is installed with an air induced closing mechanism for closing the air outlet end, a mounting bar is fixedly installed on the air outlet end of the shell, a mounting sleeve is fixedly installed in the inner middle part of the mounting bar, a rotary joint is rotatably embedded on the mounting sleeve, one end of the rotary joint is rotatably connected to an air supply pipe, and the other end of the rotary joint is fixedly connected to the air outlet end of the vacuum pump through an air supply pipe, a first solenoid valve is installed on the air supply pipe on the left, and a second solenoid valve is fixedly installed on the air supply pipe on the right.

[0007] Preferably, the induced draft closing mechanism includes a first motor, which is fixedly mounted on a shell, an output end of the first motor is fixedly connected to a driving gear, a rotating gear ring is rotatably mounted on the outer surface of the shell, and the rotating gear ring is meshed with the driving gear, a plurality of first rotating shafts distributed in an annular manner are rotatably mounted on the outer surface of the shell, a plurality of second rotating shafts distributed in an annular manner are rotatably mounted on the outer surface of the mounting sleeve, blades are fixedly connected between the corresponding first rotating shafts and the second rotating shafts, an end of the first rotating shaft is fixedly connected to a driving bevel gear, a bevel gear ring is fixedly mounted on the rotating gear ring, and the bevel gear ring is meshed with the driving bevel gear.

[0008] Preferably, a water immersion detection sensor is installed at the bottom of the shell.

[0009] Preferably, water squeezing rollers are provided on the front and rear sides of the moisture-absorbing sponge board, a second motor is fixedly installed on the bottom of the shell, and screw rods are rotatably installed on the front and rear sides of the moisture-absorbing sponge board, the output end of the second motor is fixedly connected to the end of one group of screw rods, the outer surface of the screw rod is fixedly sleeved with a transmission gear, the two groups of transmission gears are meshed, the outer surface of the screw rod is threaded with a threaded block, and the water squeezing roller is rotatably installed on the corresponding threaded block.

[0010] Preferably, a guide block is rotatably mounted on the end of the squeezing roller away from the threaded block, a limit rod is slidably penetrated through the guide block, and the end of the limit rod is fixedly connected to the inner wall of the shell.

[0011] Preferably, a first driven bevel gear is fixedly sleeved on the outer surface of the air delivery pipe, a transmission rod is rotatably penetrated on the shell, a first active bevel gear is fixedly connected to the bottom of the transmission rod, the first active bevel gear is meshed with the first driven bevel gear, a first driven pulley is fixedly connected to the top of the transmission rod, a first active pulley is fixedly connected to the top of the front screw rod, a first belt is tensionedly sleeved between the first active pulley and the first driven pulley, and a plurality of annularly distributed jet branch pipes are fixedly connected to the air delivery pipe.

[0012] Preferably, a transmission shaft is rotatably installed on the dustproof plate, one end of the transmission shaft is fixedly connected to a second driven bevel gear, the other end of the transmission shaft is fixedly connected to a cleaning sleeve, a plurality of brush plates are installed on the cleaning sleeve, a rotating rod is rotatably installed on the shell, the bottom of the rotating rod is fixedly connected to a second active bevel gear, the second active bevel gear is meshed with the second driven bevel gear, the top of the rotating rod is fixedly connected to a second driven pulley, the top of the rear side screw rod is fixedly connected to a second active pulley, and a second belt is tensioned between the second active pulley and the second driven pulley.

[0013] Preferably, an interception net is fixedly installed on the air inlet side of the shell, and a dust collecting shell is fixedly installed on the bottom of the shell.

[0014] Preferably, the cabinet body comprises an incoming switch cabinet unit, an outgoing switch cabinet unit and a capacitor compensation cabinet unit arranged in sequence, and two groups of air inlet dehumidification components are respectively located at the bottom of the incoming switch cabinet unit and the capacitor compensation cabinet unit.

[0015] Preferably, the low-voltage cabinet further includes a controller, and the incoming switch cabinet unit and the capacitor compensation cabinet unit are both installed with a temperature sensor and a humidity sensor, and the temperature sensor and the humidity sensor are both electrically connected to the controller.

[0016] The present invention provides a new type of compact low-voltage cabinet with an assembly structure. Compared with the prior art, it has the following beneficial effects:

[0017] 1. This new type of compact low-voltage cabinet with an assembly structure, when the low-voltage cabinet dissipates heat, starts the vacuum pump, the dustproof plate is used for dust prevention, and the moisture in the air is absorbed by the hygroscopic sponge plate to absorb moisture, thereby processing the dust and moisture in the air. When a large amount of water accumulates on the right hygroscopic sponge plate, the excess water will be detected by the water immersion detection sensor. At this time, the draft closing component will close the shell on the right, and the first solenoid valve will be closed, and the second solenoid valve will be opened. At this time, the outside air will enter through the shell on the left, and the hot air absorbed by the vacuum pump will enter the shell on the right through the air supply pipe. The hot air will dry the hygroscopic sponge plate on the right, and then dehumidification can be performed. When the hygroscopic sponge plate on the left accumulates water, hot air drying is performed according to the above principle, thereby forming a virtuous cycle to ensure the normal operation of the electrical structure in the cabinet.

[0018] 2. This new type of compact low-voltage cabinet with an assembly structure starts the second motor at the same time when the current hygroscopic sponge board is being dried. The second motor will rotate forward and backward. The second motor cooperates with the screw rod to drive two sets of squeezing rollers to reciprocate up and down. The squeezing rollers will squeeze water from the hygroscopic sponge board when they reciprocate up and down, thereby improving the drying effect of the hygroscopic sponge board. When the hygroscopic sponge board in the current shell is being dried, the second motor will drive the transmission rod to rotate. When the transmission rod rotates, it will drive the jet branch pipe to rotate. When the jet branch pipe rotates, hot air will be evenly sprayed onto the hygroscopic sponge board, thereby improving the drying effect of the current hygroscopic sponge board. When the second motor is working, the brush plate will be driven to reciprocate forward and backward through the second belt. When the brush plate moves, it will brush off the impurities attached to the dustproof plate, so that the impurities can fall into the dust collecting shell by their own gravity. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention can be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily drawn to scale, but the emphasis is placed on illustrating the principles of the embodiments. In different views, the same reference numerals designate corresponding parts.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the present invention;

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the back side of the main body of the present invention;

[0022] Figure 3 It is a two-dimensional schematic diagram of the front side of the main body of the present invention;

[0023] Figure 4 It is a front view schematic diagram of the air inlet dehumidification assembly structure of the present invention;

[0024] Figure 5 It is a rear view schematic diagram of the air inlet dehumidification assembly structure of the present invention;

[0025] Figure 6 It is a schematic cross-sectional view of the structure of the air inlet dehumidification assembly of the present invention;

[0026] Figure 7 It is a schematic diagram of the structure of a partial air inlet dehumidification assembly of the present invention;

[0027] Figure 8 It is a front view schematic diagram of the structure of the induced draft closing mechanism of the present invention;

[0028] Fig. 9 It is a schematic diagram of the rear view of the air induced closing mechanism of the present invention;

[0029] Fig.10 It is a schematic diagram of the structure of the water squeezing roller and the moisture absorbing sponge plate of the present invention.

[0030] In the figure: 1, cabinet; 2, air inlet dehumidification component; 3, vacuum pump; 4, air inlet pipe; 5, second solenoid valve; 6, first solenoid valve; 7, air supply pipe; 8, shell; 9, mounting bar; 10, driving gear; 11, first motor; 12, dust collecting shell; 13, intercepting net; 14, second belt; 15, first belt; 16, transmission gear; 17, squeezing roller; 18, jet branch pipe; 19, second active bevel gear; 20, suction Wet sponge plate; 21. rotating rod; 22. dustproof plate; 23. rotating gear ring; 24. conical gear ring; 25. mounting sleeve; 26. driving bevel gear; 27. blade; 28. rotary joint; 29. ​​first driven bevel gear; 30. first active bevel gear; 31. air pipe; 32. screw rod; 33. threaded block; 34. second motor; 35. limit rod; 36. water immersion detection sensor; 37. transmission rod; 38. brush plate. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with its embodiments. It should be understood that the specific implementation methods described herein are only used to explain the present invention and do not limit the protection scope of the present invention.

[0032] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0034] The “first” and “second” mentioned in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.

[0035] Embodiment 1:

[0036] See also Figure 1-10 The present invention provides a novel compact low-voltage cabinet with an assembly structure, comprising a cabinet body 1, a vacuum pump 3 is installed on the top of the cabinet body 1, an air inlet end of the vacuum pump 3 is fixedly connected with an air inlet pipe 4, and two sets of air inlet dehumidification components 2 are fixedly installed on the back of the cabinet body 1;

[0037] The air inlet dehumidification component 2 includes a shell 8, a dustproof plate 22 is fixedly installed on the air inlet end of the shell 8, a moisture-absorbing sponge plate 20 is installed in the middle of the inner part of the shell 8, and an air induced closing mechanism for closing the air outlet end is installed on the air outlet end of the shell 8. A mounting bar 9 is fixedly installed on the air outlet end of the shell 8, and a mounting sleeve 25 is fixedly installed in the inner middle of the mounting bar 9. A rotary joint 28 is rotatably embedded on the mounting sleeve 25, one end of the rotary joint 28 is rotatably connected to an air supply pipe 31, and the other end of the rotary joint 28 is fixedly connected to the air outlet end of the vacuum pump 3 through an air supply pipe 7, a first solenoid valve 6 is installed on the air supply pipe 7 on the left, and a second solenoid valve 5 is fixedly installed on the air supply pipe 7 on the right, and a water immersion detection sensor 36 is installed at the bottom of the shell 8.

[0038] When the low-voltage cabinet is dissipating heat, the vacuum pump 3 is started, the first solenoid valve 6 is closed, and the shell 8 on the left is closed by the air induced closing component. The external air first enters through the shell 8 on the right, and the vacuum pump 3 drives the hot air inside the cabinet 1 to be discharged through the shell 8 on the left. When the external air enters through the shell 8 on the right, the dustproof plate 22 is used for dust prevention, and the moisture in the air is absorbed by the hygroscopic sponge plate 20, so that the dust and moisture in the air can be processed. When a large amount of water is accumulated on the hygroscopic sponge plate 20 on the right, the excess water will be detected by the water immersion detector. The sensor 36 detects that at this time, the draft closing component closes the shell 8 on the right, and at this time the first solenoid valve 6 is closed, and the second solenoid valve 5 will be opened. At this time, the external air will enter through the shell 8 on the left, and the hot air absorbed by the vacuum pump 3 will enter the shell 8 on the right through the air supply pipe 7. The hot air will dry the hygroscopic sponge board 20 on the right, and then dehumidification treatment can be performed. When the hygroscopic sponge board 20 on the left accumulates moisture, hot air drying is performed according to the above-mentioned principle, thereby forming a virtuous cycle to ensure the normal operation of the electrical structure in the cabinet 1.

[0039] The induced draft closing mechanism includes a first motor 11, which is fixedly mounted on a shell 8, an output end of the first motor 11 is fixedly connected to a driving gear 10, a rotating ring gear 23 is rotatably mounted on the outer surface of the shell 8, and the rotating ring gear 23 is meshed with the driving gear 10, a plurality of first rotating shafts distributed in an annular manner are rotatably mounted on the outer surface of the shell 8, a plurality of second rotating shafts distributed in an annular manner are rotatably mounted on the outer surface of the mounting sleeve 25, blades 27 are fixedly connected between the corresponding first rotating shafts and the second rotating shafts, a driving bevel gear 26 is fixedly connected to the end of the first rotating shaft, a bevel gear ring 24 is fixedly mounted on the rotating ring gear 23, and the bevel gear ring 24 is meshed with the driving bevel gear 26.

[0040] When a shell 8 needs to be closed, the first motor 11 is started. When the first motor 11 is working, it will drive the driving gear 10 to rotate. Since the rotating ring gear 23 is meshed with the driving gear 10, it will drive the rotating ring gear 23 to rotate. Since the conical ring gear 24 is meshed with the driving conical gear 26, it will drive a number of blades 27 to rotate. When the blades 27 rotate, not only the size of the air intake can be changed, but also the current shell 8 can be closed, so that the wet moisture-absorbing sponge board 20 can be dried conveniently.

[0041] Embodiment 2:

[0042] See also Figure 1-10 The present invention provides a novel low-voltage cabinet with a compact assembly structure, comprising a cabinet body 1, a vacuum pump 3 is installed on the top of the cabinet body 1, an air inlet end of the vacuum pump 3 is fixedly connected with an air inlet pipe 4, and two sets of air inlet dehumidification components 2 are fixedly installed on the back of the cabinet body 1. The other end of the air inlet pipe 4 is connected with the inner cavity of the cabinet body.

[0043] The air inlet dehumidification component 2 includes a shell 8, a dustproof plate 22 is fixedly installed on the air inlet end of the shell 8, a moisture-absorbing sponge plate 20 is installed in the middle of the inner part of the shell 8, an air induced closing mechanism is installed on the air outlet end of the shell 8, a mounting bar 9 is fixedly installed on the air outlet end of the shell 8, a mounting sleeve 25 is fixedly installed in the inner middle of the mounting bar 9, a rotary joint 28 is rotatably embedded on the mounting sleeve 25, one end of the rotary joint 28 is rotatably connected to an air supply pipe 31, and the other end of the rotary joint 28 is fixedly connected to the air outlet end of the vacuum pump 3 through an air supply pipe 7, a first solenoid valve 6 is installed on the left air supply pipe 7, and a second solenoid valve 5 is fixedly installed on the right air supply pipe 7, and a water immersion detection sensor 36 is installed at the bottom of the shell 8.

[0044] When the low-voltage cabinet is dissipating heat, the vacuum pump 3 is started, the first solenoid valve 6 is closed, and the shell 8 on the left is closed by the air induced closing component. The external air first enters through the shell 8 on the right, and the vacuum pump 3 drives the hot air inside the cabinet 1 to be discharged through the shell 8 on the left. When the external air enters through the shell 8 on the right, the dustproof plate 22 is used for dust prevention, and the moisture in the air is absorbed by the hygroscopic sponge plate 20, so that the dust and moisture in the air can be processed. When a large amount of water is accumulated on the hygroscopic sponge plate 20 on the right, the excess water will be detected by the water immersion detector. The sensor 36 detects that at this time, the draft closing component closes the shell 8 on the right, and at this time the first solenoid valve 6 is closed, and the second solenoid valve 5 will be opened. At this time, the external air will enter through the shell 8 on the left, and the hot air absorbed by the vacuum pump 3 will enter the shell 8 on the right through the air supply pipe 7. The hot air will dry the hygroscopic sponge board 20 on the right, and then dehumidification treatment can be performed. When the hygroscopic sponge board 20 on the left accumulates moisture, hot air drying is performed according to the above-mentioned principle, thereby forming a virtuous cycle to ensure the normal operation of the electrical structure in the cabinet 1.

[0045] The induced draft closing mechanism comprises a first motor 11, which is fixedly mounted on the housing 8, and the output end of the first motor 11 is fixedly connected to a driving gear 10, and a rotating gear ring 23 is rotatably mounted on the outer surface of the housing 8, and the rotating gear ring 23 is meshed with the driving gear 10, and a plurality of annularly distributed first rotating shafts are rotatably mounted on the outer surface of the housing 8, and a plurality of annularly distributed second rotating shafts are rotatably mounted on the outer surface of the mounting sleeve 25, and a blade 27 is fixedly connected between the corresponding first rotating shaft and the second rotating shaft, and a driving bevel gear 26 is fixedly connected to the end of the first rotating shaft, and the other end of the first rotating shaft is fixedly connected to the blade 27, and a bevel gear ring 24 is fixedly mounted on the rotating gear ring 23, and the bevel gear ring 24 is meshed with the driving bevel gear 26. The blade 27 comprises a plurality of blades, and when two adjacent blades 27 rotate at a preset angle and the sides close to each other are brought close to each other, the two adjacent blades 27 at least partially overlap to close the air outlet, thereby closing the housing 8.

[0046] When a shell 8 needs to be closed, the first motor 11 is started. When the first motor 11 is working, it will drive the driving gear 10 to rotate. Since the rotating ring gear 23 is meshed with the driving gear 10, it will drive the rotating ring gear 23 to rotate. Since the conical ring gear 24 is meshed with the driving conical gear 26, it will drive a number of blades 27 to rotate. When the blades 27 rotate, not only the size of the air intake can be changed, but also the current shell 8 can be closed, so that the wet moisture-absorbing sponge board 20 can be dried conveniently.

[0047] See also Figure 1-10The present invention provides a new type of compact low-voltage cabinet with an assembly structure. The front and rear sides of the hygroscopic sponge board 20 are both provided with a squeezing roller 17. A second motor 34 is fixedly installed at the bottom of the shell 8. The front and rear sides of the hygroscopic sponge board 20 are both rotatably installed with a screw rod 32. The output end of the second motor 34 is fixedly connected to the end of one group of screw rods 32. The outer surface of the screw rod 32 is fixedly sleeved with a transmission gear 16. The two groups of transmission gears 16 are meshed. The outer surface of the screw rod 32 is threadedly screwed with a threaded block 33. The squeezing roller 17 is rotatably installed on the corresponding threaded block 33.

[0048] A guide block is rotatably mounted on the end of the squeezing roller 17 away from the threaded block 33 , and a limit rod 35 is slidably penetrated on the guide block. The end of the limit rod 35 is fixedly connected to the inner wall of the housing 8 .

[0049] When the current hygroscopic sponge board 20 is dried, the second motor 34 is started at the same time, and the second motor 34 will rotate forward and reversely. The second motor 34 cooperates with the screw rod 32 to drive the two sets of squeezing rollers 17 to reciprocate up and down. When the squeezing rollers 17 reciprocate up and down, the hygroscopic sponge board 20 will be squeezed to improve the drying effect of the hygroscopic sponge board 20.

[0050] The outer surface of the air delivery pipe 31 is fixedly sleeved with a first driven bevel gear 29, a transmission rod 37 is rotatably penetrated on the housing 8, the bottom of the transmission rod 37 is fixedly connected with a first active bevel gear 30, the first active bevel gear 30 is meshed with the first driven bevel gear 29, the top of the transmission rod 37 is fixedly connected with a first driven pulley, the top of the front screw rod 32 is fixedly connected with a first active pulley, a first belt 15 is tensionedly sleeved between the first active pulley and the first driven pulley, and a plurality of annularly distributed jet branch pipes 18 are fixedly connected to the air delivery pipe 31. Preferably, the jet branch pipe 18 is provided with a plurality of jet holes near the side wall of the moisture-absorbing sponge board, so that when the jet branch pipe 18 rotates, hot air is evenly sprayed toward the moisture-absorbing sponge board 20, thereby improving the drying effect of the current moisture-absorbing sponge board 20.

[0051] When the hygroscopic sponge board 20 in the current shell 8 is dried, the second motor 34 will drive the transmission rod 37 to rotate. When the transmission rod 37 rotates, it will drive the jet branch pipe 18 to rotate. When the jet branch pipe 18 rotates, hot air will be evenly sprayed onto the hygroscopic sponge board 20, thereby improving the drying effect of the current hygroscopic sponge board 20.

[0052] A transmission shaft is rotatably mounted on the dustproof plate 22, one end of the transmission shaft is fixedly connected to a second driven bevel gear, the other end of the transmission shaft is fixedly connected to a cleaning sleeve, a plurality of brush plates 38 are mounted on the cleaning sleeve, the brush plates 38 are used to clean impurities adhering to the dustproof plate 22, a rotating rod 21 is rotatably mounted on the housing 8, a second active bevel gear 19 is fixedly connected to the bottom of the rotating rod 21, the second active bevel gear 19 is meshed with the second driven bevel gear, a second driven pulley is fixedly connected to the top of the rotating rod 21, a second active pulley is fixedly connected to the top of the rear side screw rod 32, a second belt 14 is tensionedly connected between the second active pulley and the second driven pulley.

[0053] An interception net 13 is fixedly installed on the air inlet side of the shell 8, and a dust collecting shell 12 is fixedly installed on the bottom of the shell 8.

[0054] When the second motor 34 is working, the second belt 14 will drive the brush plate 38 to reciprocate. When the brush plate 38 moves, it will brush away the impurities attached to the dustproof plate 22, so that the impurities can fall into the dust collecting shell 12 by their own gravity.

[0055] Embodiment three:

[0056] It should be understood that this embodiment at least includes all the technical features of the above embodiments, and is further described in detail based on the above embodiments.

[0057] Preferably, the cabinet 1 includes an incoming switch cabinet unit, an outgoing switch cabinet unit and a capacitor compensation cabinet unit arranged in sequence, two groups of air inlet dehumidification components 2 are respectively located at the bottom of the incoming switch cabinet unit and the capacitor compensation cabinet unit, and ventilation pipes connecting the inner cavities of the incoming switch cabinet unit and the outgoing switch cabinet unit and the capacitor compensation cabinet unit are provided for air circulation. The low-voltage cabinet also includes a controller, and a temperature sensor and a humidity sensor are installed in the incoming switch cabinet unit and the capacitor compensation cabinet unit, and the temperature sensor and the humidity sensor are electrically connected to the controller.

[0058] The water immersion detection sensor 36, the first motor 11, the second motor 34 and the air pump 3 are all electrically connected to the controller. The water immersion detection sensor 36 feeds back a signal to the controller, and the controller determines whether a large amount of water has accumulated on the hygroscopic sponge board 20 through the signal fed back by the water immersion detection sensor 36. If a large amount of water has accumulated on the hygroscopic sponge board 20 in a certain air inlet dehumidification component 2 and is detected by the water immersion detection sensor 36, the air pump 3, the first motor 11, the second motor 34 and the electromagnetic valve of a certain air inlet dehumidification component 2 can be controlled to perform corresponding actions, so as to automatically realize the drying and dehumidification operation of the hygroscopic sponge board 20 in the said certain air inlet dehumidification component 2.

[0059] The controller detects the temperature and humidity values ​​in the incoming switch cabinet unit and the capacitor compensation cabinet unit through temperature sensors and humidity sensors. If the temperature value of the incoming switch cabinet unit or the capacitor compensation cabinet unit is greater than the preset temperature threshold, or the humidity value of the incoming switch cabinet unit or the capacitor compensation cabinet unit is greater than the preset humidity threshold, one or two groups of air inlet dehumidification components 2 can be controlled to operate, thereby automatically realizing the heat dissipation, cooling and dehumidification work of the independent unit of the low-voltage cabinet.

[0060] Of course, a temperature sensor and a humidity sensor can also be installed in the outgoing switch cabinet unit to monitor its temperature and humidity values ​​in real time, and the controller can be used to control the operation of the air inlet dehumidification component 2 to automatically realize the ventilation and heat dissipation of the low-voltage cabinet center line switch cabinet unit, the outgoing switch cabinet unit, and the capacitor compensation cabinet unit. Since how to automatically control the fan for ventilation and heat dissipation by detecting the temperature and humidity of the low-voltage cabinet belongs to conventional technical means in the field, it will not be repeated here.

[0061] By setting two sets of air inlet dehumidification components and connecting the other end of the air inlet pipe 4 to the inner cavity of the cabinet, the two sets of air inlet dehumidification components can actually show the air inlet and outlet of the low-pressure cabinet. Since the air inlet dehumidification components are equipped with a moisture-absorbing sponge board and a dust-proof board, the air entering the cabinet can be well dusted and dehumidified on the basis of ventilating the inside of the cabinet.

[0062] When the cabinet 1 includes an incoming switch cabinet unit, an outgoing switch cabinet unit and a capacitor compensation cabinet unit arranged in sequence, the vacuum pump 3 is installed on the top of the cabinet 1 and located on the top of the outgoing switch cabinet unit, and the other end of the air inlet pipe 4 is connected to the inner cavity of the outgoing switch cabinet unit. In this way, when the vacuum pump 3 is working, air can flow in from one group of air inlet dehumidification components and then flow out from another group of air inlet dehumidification components, thereby realizing ventilation and heat dissipation of the incoming switch cabinet unit, the outgoing switch cabinet unit and the capacitor compensation cabinet unit in the cabinet.

[0063] This embodiment describes in detail the working principle of the novel compact low-voltage cabinet with an assembly structure, as follows:

[0064] When the low-voltage cabinet is dissipating heat, the vacuum pump 3 is started through the controller, the first solenoid valve 6 is closed, and the shell 8 on the left is closed through the induced draft closing component. The external air first enters through the shell 8 on the right, and the vacuum pump 3 drives the hot air inside the cabinet 1 to be discharged through the shell 8 on the left. When the external air enters through the shell 8 on the right, the dustproof plate 22 is used for dust prevention, and the moisture in the air is absorbed by the hygroscopic sponge plate 20, thereby processing the dust and moisture in the air. When a large amount of water accumulates on the hygroscopic sponge plate 20 on the right, the excess water will be detected by the water immersion detection sensor 36. The sensor feeds back the signal to the controller, and the controller closes the shell 8 on the right side by controlling the action of the draft closing component, and the controller controls the first solenoid valve 6 to close, and the second solenoid valve 5 to open. At this time, the outside air will enter through the shell 8 on the left side, and the hot air absorbed by the vacuum pump 3 will enter the shell 8 on the right side through the air supply pipe 7. The hot air will dry the hygroscopic sponge board 20 on the right side, and then dehumidification treatment can be performed. When the hygroscopic sponge board 20 on the left side accumulates moisture, hot air drying is performed according to the above-mentioned principle, thereby forming a virtuous cycle to ensure the normal operation of the electrical structure in the cabinet 1.

[0065] When a housing 8 needs to be closed, the controller starts the first motor 11. When the first motor 11 is working, it will drive the driving gear 10 to rotate. Since the rotating ring gear 23 is meshed with the driving gear 10, it will drive the rotating ring gear 23 to rotate. Since the bevel ring gear 24 is meshed with the driving bevel gear 26, it will drive a number of blades 27 to rotate. When the blades 27 rotate, not only the size of the air intake can be changed, but also the current housing 8 can be closed, so as to facilitate the drying of the wet moisture-absorbing sponge board 20.

[0066] When the current hygroscopic sponge plate 20 is dried, the second motor 34 is started at the same time, the second motor 34 will rotate forward and backward, and the second motor 34 cooperates with the screw rod 32 to drive the two sets of squeezing rollers 17 to reciprocate up and down. When the squeezing rollers 17 reciprocate up and down, the hygroscopic sponge plate 20 will be squeezed to improve the drying effect of the hygroscopic sponge plate 20. When the hygroscopic sponge plate 20 in the current shell 8 is dried, the second motor 34 will drive the transmission rod 37 to rotate, and when the transmission rod 37 rotates, the jet branch pipe 18 will be driven to rotate. When the jet branch pipe 18 rotates, hot air will be evenly sprayed to the hygroscopic sponge plate 20, thereby improving the drying effect of the current hygroscopic sponge plate 20. When the second motor 34 is working, the brush plate 38 will be driven to reciprocate forward and backward through the second belt 14. When the brush plate 38 moves, the impurities attached to the dustproof plate 22 will be brushed off, so that the impurities fall into the dust collecting shell 12 by their own gravity.

[0067] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0068] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A new type of compact low-voltage cabinet with an assembly structure, including a cabinet body, characterized in that: An air pump is installed on the top of the cabinet, an air inlet end of the air pump is fixedly connected to an air inlet pipe, and two sets of air inlet dehumidification components are fixedly installed on the back of the cabinet; The air inlet dehumidification assembly includes a shell, a dustproof plate is fixedly installed on the air inlet end of the shell, a moisture-absorbing sponge plate is installed in the inner middle part of the shell, an air outlet end of the shell is installed with an air induced closing mechanism for closing the air outlet end, a mounting bar is fixedly installed on the air outlet end of the shell, a mounting sleeve is fixedly installed in the inner middle part of the mounting bar, a rotary joint is rotatably embedded on the mounting sleeve, one end of the rotary joint is rotatably connected to an air supply pipe, and the other end of the rotary joint is fixedly connected to the air outlet end of the vacuum pump through an air supply pipe, a first solenoid valve is installed on the air supply pipe on the left, and a second solenoid valve is fixedly installed on the air supply pipe on the right.

2. According to claim 1, a new type of compact low-voltage cabinet with an assembly structure is characterized in that: The induced draft closing mechanism includes a first motor, which is fixedly mounted on a shell, an output end of the first motor is fixedly connected to a driving gear, a rotating gear ring is rotatably mounted on the outer surface of the shell, and the rotating gear ring is meshed with the driving gear, a plurality of first rotating shafts distributed in an annular manner are rotatably mounted on the outer surface of the shell, a plurality of second rotating shafts distributed in an annular manner are rotatably mounted on the outer surface of the mounting sleeve, blades are fixedly connected between the corresponding first rotating shafts and the second rotating shafts, an end of the first rotating shaft is fixedly connected to a driving bevel gear, a bevel gear ring is fixedly mounted on the rotating gear ring, and the bevel gear ring is meshed with the driving bevel gear.

3. According to claim 2, a new type of compact low-voltage cabinet with an assembly structure is characterized in that: A water immersion detection sensor is installed at the bottom of the shell.

4. According to claim 3, a new type of compact low-voltage cabinet with an assembly structure is characterized in that: The front and rear sides of the moisture-absorbing sponge plate are both provided with water squeezing rollers, a second motor is fixedly installed on the bottom of the shell, and screw rods are rotatably installed on the front and rear sides of the moisture-absorbing sponge plate, the output end of the second motor is fixedly connected to the end of one group of screw rods, the outer surface of the screw rod is fixedly sleeved with a transmission gear, the two groups of transmission gears are meshed, the outer surface of the screw rod is threadedly screwed with a threaded block, and the water squeezing roller is rotatably installed on the corresponding threaded block.

5. According to claim 4, a new type of compact low-voltage cabinet with an assembly structure is characterized in that: A guide block is rotatably mounted on the end of the squeezing roller away from the threaded block, a limiting rod is slidably penetrated on the guide block, and the end of the limiting rod is fixedly connected to the inner wall of the shell.

6. According to claim 5, a new type of compact low-voltage cabinet with an assembly structure is characterized in that: A first driven bevel gear is fixedly sleeved on the outer surface of the air delivery pipe, a transmission rod is rotatably penetrated on the shell, a first driving bevel gear is fixedly connected to the bottom of the transmission rod, the first driving bevel gear is meshed with the first driven bevel gear, a first driven pulley is fixedly connected to the top of the transmission rod, a first driving pulley is fixedly connected to the top of the front screw rod, a first belt is tensionedly sleeved between the first driving pulley and the first driven pulley, and a plurality of annularly distributed jet branch pipes are fixedly connected to the air delivery pipe.

7. A new type of compact low-voltage cabinet with an assembly structure according to claim 6, characterized in that: A transmission shaft is rotatably installed on the dustproof plate, one end of the transmission shaft is fixedly connected to a second driven bevel gear, the other end of the transmission shaft is fixedly connected to a cleaning sleeve, a number of brush plates are installed on the cleaning sleeve, a rotating rod is rotatably installed on the shell, the bottom of the rotating rod is fixedly connected to a second active bevel gear, the second active bevel gear is meshed with the second driven bevel gear, the top of the rotating rod is fixedly connected to a second driven pulley, the top of the rear side screw rod is fixedly connected to a second active pulley, and a second belt is tensioned between the second active pulley and the second driven pulley.

8. The novel compact low-voltage cabinet with an assembly structure according to claim 7 is characterized in that: An interception net is fixedly installed on the air inlet side of the shell, and a dust collecting shell is fixedly installed on the bottom of the shell.

9. The novel compact low-voltage cabinet with an assembly structure according to claim 8 is characterized in that: The cabinet body comprises an incoming switch cabinet unit, an outgoing switch cabinet unit and a capacitor compensation cabinet unit which are arranged in sequence, and two groups of air inlet dehumidification components are respectively located at the bottom of the incoming switch cabinet unit and the capacitor compensation cabinet unit.

10. The novel compact low-voltage cabinet with an assembly structure according to claim 8 is characterized in that: The low-voltage cabinet also includes a controller. The incoming switch cabinet unit and the capacitor compensation cabinet unit are both equipped with a temperature sensor and a humidity sensor, and the temperature sensor and the humidity sensor are both electrically connected to the controller.

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