CN117424114A - Durable low-voltage power distribution cabinet and internal dehumidification method - Google Patents
Durable low-voltage power distribution cabinet and internal dehumidification method Download PDFInfo
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- CN117424114A CN117424114A CN202311403236.5A CN202311403236A CN117424114A CN 117424114 A CN117424114 A CN 117424114A CN 202311403236 A CN202311403236 A CN 202311403236A CN 117424114 A CN117424114 A CN 117424114A
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- distribution cabinet
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims description 25
- 230000000670 limiting effect Effects 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 244000309464 bull Species 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007602 hot air drying Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention belongs to the technical field of power distribution cabinets, in particular to a durable low-voltage power distribution cabinet and an internal dehumidification method, which comprises a machine shell, wherein radiating holes for radiating and ventilating are formed in the side wall and the bottom of the machine shell, a negative pressure fan for radiating and dehumidifying is arranged on the back surface of the machine shell, a wind collecting cover is sleeved on the negative pressure fan, one end of the wind collecting cover is communicated with a wind flow distribution cylinder, rain shielding plates are uniformly arranged above the radiating holes on two sides of the machine shell, the two rain shielding plates synchronously overturn downwards to shield the radiating holes, meanwhile, the negative pressure fan operates to distribute wind flow through the wind flow distribution cylinder, hot air is formed inside the power distribution cabinet after passing through heating wires, when the power distribution cabinet arrives in an outdoor use season, the power distribution holes are shielded through the overturning of the rain shielding plates, rainwater is prevented from penetrating into the power distribution cabinet, the inside is prevented from being directly corroded by rainwater or severely moist, and hot air is dried and dehumidified in the power distribution cabinet, and therefore the durable service life of the power distribution cabinet is prolonged.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a durable low-voltage power distribution cabinet and an internal dehumidification method.
Background
The power distribution cabinet transfer power distribution cabinet, the illumination power distribution cabinet and the metering cabinet are final-stage equipment of a power distribution system. The motor control center is used for the occasion with concentrated load and more loops, and distributes the electric energy of a certain circuit of the upper-level power distribution equipment to the nearby load, and the equipment should provide protection, monitoring and control for the load.
The existing power distribution cabinet only depends on heat dissipation and ventilation, internal moisture is difficult to thoroughly eliminate, and has no good protection function, when raining, the inside of the power distribution cabinet is often serious because of the moisture after penetrating rainwater, and because the power distribution cabinet is mostly directly placed on the ground, the ground moisture can enter the inside of the power distribution cabinet, and long-term drying treatment is not carried out, so that the condition that the inside is short-circuited or burnt out is likely to be caused, and due to the fact, a durable low-voltage power distribution cabinet and an internal dehumidification method are provided by a person skilled in the art.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a durable low-voltage power distribution cabinet and an internal dehumidification method, the durable low-voltage power distribution cabinet comprises a machine shell, heat dissipation holes for heat dissipation and ventilation are formed in the side wall and the bottom of the machine shell, a negative pressure fan for heat dissipation and dehumidification is arranged on the back surface of the machine shell, a wind collecting cover is sleeved on the negative pressure fan, one end of the wind collecting cover is communicated with a wind flow distribution cylinder, rain baffles are arranged above the heat dissipation holes on two sides of the machine shell, the two rain baffles synchronously overturn downwards to shield the heat dissipation holes, and meanwhile, the negative pressure fan distributes wind flow through the wind flow distribution cylinder and forms hot air drying inside the power distribution cabinet after passing through a heating wire.
Preferably, two first air outlets are formed in the lower side of the air flow distribution cylinder, second air outlets are formed in the two sides of the air flow distribution cylinder, arc-shaped wind shields are arranged in the air flow distribution cylinder and located at the second air outlets, the size of each arc-shaped wind shield is matched with that of each second air outlet, and when the power distribution cabinet normally dissipates heat and ventilates, air flow is output only through the first air outlets and is matched with the heat dissipation holes to dissipate heat of the power distribution cabinet.
Preferably, two second air outlet department intercommunication has the air duct, and the heater strip sets up in the inside of two air ducts, and the one end all communicates with two air ducts has the wind guide hose, and the air outlet of wind guide hose is located the switch board intermediate position department, and when two arc deep bead rotations were kept away from the second air outlet, wind flow after the distribution of wind flow distribution section of thick bamboo is followed second air outlet, is equipped with the air duct and the wind guide hose derivation of heater strip, carries out dry dehumidification in the switch board.
Preferably, the interior top fixed mounting of casing has first motor, the output fixed mounting of first motor has the pivot, the bottom mounting that is located the pivot has first bevel gear, the inside rotation of casing is installed two threaded rods, be fixed with on one of them threaded rod with first bevel gear intermeshing's second bevel gear, be fixed with the worm between two threaded rods, the inside rotation at the wind flow distribution section of thick bamboo is connected with the column spinner, the outside and the fixed mounting of wind flow distribution section of thick bamboo are run through to the one end of column spinner have the worm wheel, the worm meshes with the worm wheel, be located the inside column spinner of wind flow distribution section of thick bamboo and be connected with two arc deep bead through the horizontal pole.
Preferably, two mounting grooves are formed in the outer side of the shell and above the radiating holes, a rotating rod is rotatably mounted at the inner bottom of each mounting groove, two rain baffles are respectively fixed on the corresponding rotating rod, and the rain baffles turn downwards along with the rotation of the rotating rod to shield the radiating holes.
Preferably, two middle part positions on the bull stick are fixed with the gear respectively, and the lateral wall of casing is passed to a part of two gears and extend to its inside, and symmetrical threaded connection has the screw thread piece respectively on two threaded rods, and the screw thread opposite direction of two threaded rods is connected with spacing telescopic link between the inside wall of two screw thread pieces and casing, all is fixed with the stay cord in the bottom of two screw thread pieces, and the stay cord is two spacing rollers on the casing inside wall respectively, and the bottom of two stay cords all is fixed with the slider, and two sliders slide respectively in two spacing slide rails that are fixed in on the casing inner wall, and one side of two sliders all is fixed with the connecting plate, and one side of connecting plate is fixed with the rack respectively, extends to two gears of casing inside respectively with two racks of correspondence mesh.
Preferably, the inside of casing still is provided with the second motor, the output fixed mounting of second motor has first rotation axis, still rotate in the inside of casing and be connected with the second rotation axis, all be fixed with the band pulley on first rotation axis and the second rotation axis, the transmission is connected with the belt between two band pulleys, the tip at first rotation axis and second rotation axis all is fixed with the S-shaped plate, the central point of S-shaped plate puts and is connected with first rotation axis and second rotation axis respectively, the fixed plate is all installed to the inside both sides of casing, all activity in the below of two fixed plates is provided with the movable plate, fixed connection has spacing telescopic column between fixed plate and the movable plate, still be fixed with a set of elastic band between fixed plate and movable plate, two S-shaped plates butt respectively on the movable plate that corresponds, two wind-guiding hoses are fixed with the side of corresponding movable plate respectively.
The method for dehumidifying the interior of the durable low-voltage power distribution cabinet comprises the following steps:
when the power distribution cabinet is normally used, the negative pressure fan is utilized to blow air to the inside of the power distribution cabinet, and the air flow is only output by the first air outlet and is matched with the heat dissipation holes to dehumidify;
when the power distribution cabinet is normally used, the negative pressure fan is started to blow air to the inside of the power distribution cabinet, and air flow is only output by the first air outlet and is matched with the heat dissipation holes to dehumidify;
when encountering rainy season, under the operation of first motor, the weather shield that is located the louvre top overturns, shelters from louvre department to form hot-blast after the inside wind of switch board is heated through the heater strip again to the negative pressure fan is carried to the switch board, carries out hot-blast stoving dehumidification to the switch board inside.
The invention has the beneficial effects that:
when the power distribution cabinet is normally used, the heat dissipation holes are utilized for normally dissipating heat, when the temperature in hot summer or the temperature in the power distribution cabinet is too high, the negative pressure fan is controlled to work, the air is blown into the power distribution cabinet and is matched with the heat dissipation holes for quick heat dissipation, and the heat dissipation efficiency of the power distribution cabinet is improved.
When the switch board is outdoor, and rainy season arrives, shelter from the heat dissipation hole department through the upset of weather shield, prevent that the rainwater from penetrating its inside from the heat dissipation hole department, avoid the switch board inside to receive rainwater direct attack or moist serious, when the weather shield restriction drenches the rain, control negative pressure fan operation, form hot-blast after the heater strip heating again, form hot-blast stoving dehumidification to its inside, therefore under rainy humid weather, infiltration in the switch board is controlled, and combine the mode of hot-blast stoving dehumidification, maximize protection switch board inner element, improve durable type and the life of switch board.
Through the air-out position when controlling and changing hot-blast stoving dehumidification, can improve the homogeneity to the inside stoving dehumidification of switch board, avoid dehumidification not thoroughly causing moisture to seriously influence its life.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic illustration of the present invention;
FIG. 2 is a schematic rear view of the present invention;
FIG. 3 is an internal plan view of the present invention;
FIG. 4 is one of the internal schematic views of the present invention;
FIG. 5 is a second internal schematic view of the present invention;
FIG. 6 is a partial schematic view of the present invention;
FIG. 7 is an enlarged schematic view of area A of FIG. 4 in accordance with the present invention;
FIG. 8 is an enlarged schematic view of region B of FIG. 5 in accordance with the present invention;
fig. 9 is an enlarged schematic view of a weather shield of the present invention.
In the figure: 1. a housing; 2. a heat radiation hole; 3. a negative pressure fan; 4. a first motor; 5. a rain shield; 6. a heating wire; 7. a wind collecting hood; 8. a wind flow distribution cylinder; 9. a first air outlet; 10. rain shielding curtain; 11. an arc-shaped wind deflector; 12. a rotating shaft; 13. a first bevel gear; 14. a threaded rod; 15. a second bevel gear; 16. a worm; 17. a screw block; 18. a limiting telescopic rod; 19. a pull rope; 20. a limit roller; 21. a slide block; 22. a limit sliding rail; 23. a connecting plate; 24. a rack; 25. a mounting groove; 26. a rotating rod; 27. a gear; 28. a spin column; 29. a worm wheel; 30. a cross bar; 31. an air duct; 33. an air guide hose; 34. a second motor; 35. a first rotation shaft; 36. a belt wheel; 37. a belt; 38. an S-shaped plate; 39. a fixing plate; 40. a moving plate; 41. limiting the telescopic column; 42. an elastic band.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a durable low-voltage power distribution cabinet and an internal dehumidification method, when the power distribution cabinet is normally used, a radiating hole 2 arranged on a shell 1 is utilized to normally radiate heat, when the temperature inside the shell 1 is sensed to be too high through a temperature sensor in hot summer or in the case of too high internal temperature, a negative pressure fan 3 is controlled to work through a controller, the interior of the shell 1 is blown and matched with the radiating hole 2 to rapidly radiate heat, when the interior of the shell 1 is sensed to be relatively wet through a humidity sensor in a rainy season, a first motor 4 is controlled to operate through the controller, under the operation of the first motor 4, a weather shield 5 above the radiating hole 2 is turned over to shield the radiating hole 2, when the power distribution cabinet is used outdoors, rainwater is prevented from penetrating into the interior of the shell 1 from the radiating hole 2, the interior of the power distribution cabinet is prevented from being directly corroded or seriously corroded by the rainwater, when the weather shield 5 is limited to the greatest extent, the humidity sensor is used for sensing humidity, the negative pressure fan 3 is synchronously opened through the controller, and under the operation of the first motor 4, the negative pressure fan 3 is conveyed to the interior of the power distribution cabinet through the humidity sensor to the interior of the shell 6, and the inside of the power distribution cabinet is heated through the heater wire, the inside the weather shield is greatly prolonged, and the inside the power distribution cabinet is prevented from being dried, and the inside the weather shield is greatly heated, and the inside the power distribution cabinet is protected, and the inside the weather is greatly is protected.
Referring to fig. 1-9, the durable low-voltage power distribution cabinet comprises a machine shell 1, a plurality of heat dissipation holes 2 are formed in the side wall of the machine shell 1, a negative-pressure fan 3 is installed on the back surface of the machine shell 1, a wind collection cover 7 is sleeved on the negative-pressure fan 3, one end of the wind collection cover 7 is communicated with a wind flow distribution cylinder 8, two first air outlets 9 are formed in the lower side of the wind flow distribution cylinder 8, second air outlets (not shown in the drawings) are formed in two sides of the wind flow distribution cylinder 8, arc-shaped wind baffles 11 are arranged in the wind flow distribution cylinder 8 and are located at the second air outlets, the size of each arc-shaped wind baffle 11 is matched with the second air outlets, in hot summer or when the temperature in the power distribution cabinet is too high, the negative-pressure fan 3 runs through the wind collection cover 7 and the wind flow distribution cylinder 8 to convey wind flow, and finally the wind flow is output by the first air outlets 9, the second air outlets are matched with the heat dissipation holes 2 to cool the inside the power distribution cabinet, and the second air outlets are not blocked by the arc-shaped wind baffles 11.
When the rain season is in place, the radiating hole 2 is shielded by the rain shield 5 to avoid rainwater infiltration, in particular, the first motor 4 is fixedly arranged at the inner top of the shell 1, the rotating shaft 12 is fixedly arranged at the output end of the first motor 4, the first bevel gear 13 is fixed at the bottom end of the rotating shaft 12, two threaded rods 14 with opposite screw thread directions are rotatably arranged in the shell 1, a second bevel gear 15 meshed with the first bevel gear 13 is fixed on one of the threaded rods 14, a worm 16 is fixedly connected between the two threaded rods 14, thread blocks 17 are respectively and symmetrically connected on the two threaded rods 14 in a threaded manner, a limiting telescopic rod 18 is connected between the two thread blocks 17 and the inner side wall of the shell 1, pull ropes 19 are respectively fixed at the bottoms of the two thread blocks 17, the stay cord 19 is respectively through two spacing rollers 20 on the casing 1 inside wall, the bottom of two stay cords 19 all is fixed with slider 21, two sliders 21 slide respectively in two spacing slide rails 22 that are fixed in on the casing 1 inside wall, one side of two sliders 21 all is fixed with connecting plate 23, one side of connecting plate 23 is fixed with rack 24 respectively, two mounting grooves 25 have been seted up in the outside of casing 1 and be located the top of louvre 2, the bull stick 26 is installed in the rotation of the inner bottom position of mounting groove 25, two weather shield 5 are fixed respectively on corresponding bull stick 26, and the middle part position on the bull stick 26 is fixed with gear 27 respectively, one portion of two gears 27 passes the lateral wall of casing 1 and extends to its inside to mesh with corresponding rack 24. When the first motor 4 is started to drive the rotating shaft 12 to rotate in rainy season, the rotating shaft 12 rotates under the transmission action of the first bevel gear 13 and the second bevel gear 15, the two threaded rods 14 and the worm 16 are driven to rotate, simultaneously, the two threaded blocks 17 are driven to linearly move on the threaded rods 14 due to the limiting action of the limiting telescopic rods 18, the moving directions of the two threaded blocks 17 are far away from each other or are close to each other due to the fact that the threads of the two threaded rods 14 are opposite in direction, when the two threaded blocks 17 are close to each other and move, the sliding blocks 21 are pulled to move and rise in the limiting sliding rail 22 through the pull ropes 19, the two racks 24 are driven to gradually move upwards through the connecting plates 23, the two gears 27 are driven to rotate when the racks 24 move upwards, the two gears 27 rotate, meanwhile, the rotating rods 26 are driven to rotate, the rain shielding plate 5 positioned on the rotating rods 26 is turned downwards, the rain shielding plate 5 is gradually formed to have a rain shielding effect on the position of the heat dissipation holes 2, the rain shielding plate 10 is further arranged at the edge position of the rain shielding plate 5, after the rain shielding plate 5 is turned downwards, the rain shielding plate is further moved to the position, the rain shielding plate is further moved upwards, the rain shielding plate is further moved to the position, the rain shielding plate is further, the rain shielding plate is prevented from penetrating into the whole cabinet, the service life is prolonged, the service life of the power distribution cabinet is prolonged, and the service life of the rain is prolonged.
The rain shield plate 5 is turned downwards to shield rain, meanwhile, hot air drying and dehumidification are simultaneously carried out in the power distribution cabinet, the dryness in the machine shell 1 is ensured, and the damage caused by damp is avoided, in particular, a rotary column 28 is rotationally connected in the wind flow distribution cylinder 8, one end of the rotary column 28 penetrates through the outside of the wind flow distribution cylinder 8 and is fixedly provided with a worm wheel 29, a worm 16 is meshed with the worm wheel 29, the rotary column 28 in the wind flow distribution cylinder 8 is connected with two arc-shaped wind shields 11 through a cross rod 30, air guide cylinders 31 are communicated at two second air outlets, a heating wire 6 is arranged in the two air guide cylinders 31, air guide hoses 33 are communicated with one ends of the two air guide cylinders 31, the air outlets of the air guide hoses 33 are positioned at the middle part in the power distribution cabinet, at the same time of starting the first motor 4, the worm 16 also rotates along with the rotation of the two threaded rods 14, the worm 16 rotates to drive the worm wheel 29 and the rotary column 28 to rotate, the rotary column 28 rotates to drive the two arc-shaped wind shields 11 to rotate through the cross rod 30, and the wind flows away from the second air outlet, at the moment, part of the wind flows through the wind flow distribution cylinder 8 are distributed to the second air outlet, blown out from the wind guide cylinder 31 and the wind guide hose 33, and heated by the heating wire 6 to form hot wind, so that the inside of the power distribution cabinet is dehumidified by the hot wind, and the damage of internal elements caused by the damp is prevented.
In order to improve the uniformity of drying and dehumidifying the inside of the power distribution cabinet through the air guide hose 33, specifically, a second motor 34 is further arranged in the casing 1, a first rotating shaft 35 is fixedly arranged at the output end of the second motor 34, a second rotating shaft (not shown in the figure) is further rotatably connected in the casing 1, belt wheels 36 are fixedly arranged on the first rotating shaft 35 and the second rotating shaft, a belt 37 is connected between the two belt wheels 36 in a transmission manner, S-shaped plates 38 are fixedly arranged at the ends of the first rotating shaft 35 and the second rotating shaft, the central positions of the S-shaped plates 38 are respectively connected with the first rotating shaft 35 and the second rotating shaft, fixed plates 39 are respectively arranged at the two sides of the inside of the casing 1, a movable plate 40 is movably arranged below the two fixed plates 39, at least two limiting telescopic columns 41 are fixedly connected between the fixed plates 39 and the movable plate 40, a group of elastic belts 42 are also fixed between the fixed plate 39 and the movable plate 40, the two S-shaped plates 38 are respectively abutted against the corresponding movable plates 40, the two air guide hoses 33 are respectively fixed with the side edges of the corresponding movable plates 40, when the air guide hoses 33 are used for drying and dehumidifying the inside of the power distribution cabinet, the second motor 34 is started to operate, the second motor 34 operates under the transmission action of the belt wheels 36 and the belt 37 to synchronously rotate the two rotating shafts, so that the S-shaped plates 38 on the two rotating shafts are driven to rotate clockwise, when the S-shaped plates 38 rotate gradually to be in a vertical state, the movable plates 40 are gradually pushed downwards, the elastic belts 42 are in a stretching state, when the S-shaped plates 38 rotate gradually to be in a transverse state, the movable plates 40 are lifted upwards by the elastic belts 42, so that the movable plates 40 reciprocate up and down, and the air guide hoses 33 on the movable plates 40 move up and down at the moment, at this time, the uniformity of drying and dehumidification in the power distribution cabinet can be improved.
The power consumption component, the control component and the like in the technical scheme are connected with an external controller, are all of the prior art, are not improved, and do not affect the integrity of the technical scheme; and parts not involved or disclosed in detail are the same as or are implemented using the prior art.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative and explanatory of the invention, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (8)
1. The utility model provides a durable low-voltage power distribution cabinet, includes casing (1), all is equipped with in the lateral wall and the bottom of casing (1) and is used for radiating hole (2) that ventilates, its characterized in that, the back-mounted of casing (1) has negative pressure fan (3) that are used for the heat dissipation dehumidification, the cover is established on negative pressure fan (3) and is installed collection fan housing (7), the one end intercommunication of collection fan housing (7) has wind flow distribution cylinder (8), be located the top of the hole (2) of casing (1) both sides and have evenly distributed weather shield (5), two weather shield (5) are synchronous to overturn downwards and shelter from hole (2) department, simultaneously, negative pressure fan (3) operation is through wind flow distribution cylinder (8) distribution wind flow, form hot-blast drying to the switch board inside behind heater strip (6).
2. The durable low-voltage power distribution cabinet according to claim 1, wherein two first air outlets (9) are formed in the lower side of the air flow distribution cylinder (8), second air outlets are formed in the two sides of the air flow distribution cylinder (8), arc-shaped wind shields (11) are arranged in the air flow distribution cylinder (8) and at the second air outlets, the size of the arc-shaped wind shields (11) is matched with that of the second air outlets, and when the power distribution cabinet is subjected to normal heat dissipation and ventilation, air flow is output only through the first air outlets (9) and is matched with the heat dissipation holes (2) to conduct air cooling and heat dissipation on the inside of the power distribution cabinet.
3. The durable low-voltage power distribution cabinet according to claim 2, wherein two second air outlets are communicated with air ducts (31), heating wires (6) are arranged inside the two air ducts (31), air guide hoses (33) are communicated with one ends of the two air ducts (31), air outlets of the air guide hoses (33) are located at middle positions in the power distribution cabinet, when the two arc-shaped wind shields (11) are rotated to be far away from the second air outlets, and air flows distributed by the air flow distribution cylinder (8) are led out from the second air outlets, the air ducts (31) provided with the heating wires (6) and the air guide hoses (33), and drying and dehumidification are carried out in the power distribution cabinet.
4. The durable low-voltage power distribution cabinet according to claim 2, wherein the first motor (4) is fixedly installed at the inner top of the casing (1), the rotating shaft (12) is fixedly installed at the output end of the first motor (4), the first bevel gear (13) is fixed at the bottom end of the rotating shaft (12), two threaded rods (14) are rotatably installed in the casing (1), the second bevel gear (15) meshed with the first bevel gear (13) is fixed on one threaded rod (14), the worm (16) is fixed between the two threaded rods (14), the rotating column (28) is rotatably connected in the wind flow distribution cylinder (8), one end of the rotating column (28) penetrates through the outer portion of the wind flow distribution cylinder (8) and is fixedly provided with the worm wheel (29), the worm (16) is meshed with the worm wheel (29), and the rotating column (28) located in the wind flow distribution cylinder (8) is connected with the two arc-shaped wind shields (11) through the cross rod (30).
5. The durable low-voltage power distribution cabinet according to any one of claims 1-4, wherein two mounting grooves (25) are formed in the outer side of the machine shell (1) and above the heat dissipation holes (2), rotating rods (26) are rotatably mounted at inner bottom positions of the mounting grooves (25), two rain baffles (5) are respectively fixed on the corresponding rotating rods (26), and the rain baffles (5) are turned downwards along with the rotation of the rotating rods (26) to shield the heat dissipation holes (2).
6. The durable low-voltage power distribution cabinet according to claim 5, wherein gears (27) are respectively fixed at middle positions on the two rotating rods (26), one part of each of the two gears (27) penetrates through the side wall of the casing (1) and extends into the casing, thread blocks (17) are respectively symmetrically connected to the two threaded rods (14) in a threaded mode, the thread directions of the two threaded rods (14) are opposite, a limiting telescopic rod (18) is connected between the two thread blocks (17) and the inner side wall of the casing (1), pull ropes (19) are respectively fixed at bottoms of the two thread blocks (17), the pull ropes (19) respectively pass through two limiting rollers (20) on the inner side wall of the casing (1), sliding blocks (21) are respectively fixed at bottom ends of the two pull ropes (19), the two sliding blocks (21) are respectively slid into two limiting sliding rails (22) fixed on the inner wall of the casing (1), a connecting plate (23) is respectively fixed at one side of each of the two sliding blocks (21), racks (24) are respectively fixed at one side of each connecting plate (23), and the two gears (27) extending into the casing (1) are respectively meshed with the two corresponding racks (24).
7. A durable low-voltage power distribution cabinet according to claim 3, characterized in that the inside of the casing (1) is further provided with a second motor (34), the output end of the second motor (34) is fixedly provided with a first rotating shaft (35), the inside of the casing (1) is further rotationally connected with a second rotating shaft, pulleys (36) are fixedly arranged on the first rotating shaft (35) and the second rotating shaft, a belt (37) is connected between the two pulleys (36) in a transmission manner, S-shaped plates (38) are fixedly arranged at the ends of the first rotating shaft (35) and the second rotating shaft, the central positions of the S-shaped plates (38) are respectively connected with the first rotating shaft (35) and the second rotating shaft, fixed plates (39) are respectively arranged at two sides of the inside of the casing (1), a limiting telescopic column (41) is fixedly connected between the fixed plates (39) and the moving plates (40), a group of elastic belts (42) is further fixed between the fixed plates (39) and the moving plates (40), and the two S-shaped plates (38) are respectively connected with the corresponding flexible plates (40) in a movable mode, and the two side edges of the corresponding flexible plates (33) are respectively fixed.
8. The internal dehumidification method of the durable low-voltage power distribution cabinet is characterized by comprising the following steps of:
when the power distribution cabinet is normally used, the negative pressure fan (3) is started to blow air to the inside of the power distribution cabinet, and air flow is only output by the first air outlet (9) and is matched with the heat dissipation holes (2) to dehumidify;
when encountering rainy season, under the operation of first motor (4), weather shield (5) that are located louvre (2) top overturns, shelter from louvre (2) department to form hot-blast after the inside wind of switch board is heated through heater strip (6) again in negative pressure fan (3) transportation, carry out hot-blast stoving dehumidification to the switch board inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311403236.5A CN117424114A (en) | 2023-10-27 | 2023-10-27 | Durable low-voltage power distribution cabinet and internal dehumidification method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311403236.5A CN117424114A (en) | 2023-10-27 | 2023-10-27 | Durable low-voltage power distribution cabinet and internal dehumidification method |
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| CN202311403236.5A Pending CN117424114A (en) | 2023-10-27 | 2023-10-27 | Durable low-voltage power distribution cabinet and internal dehumidification method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117977393A (en) * | 2024-04-02 | 2024-05-03 | 沈阳世纪达电气自动化有限公司 | Power distribution cabinet capable of preventing fire and isolating protection |
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2023
- 2023-10-27 CN CN202311403236.5A patent/CN117424114A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117977393A (en) * | 2024-04-02 | 2024-05-03 | 沈阳世纪达电气自动化有限公司 | Power distribution cabinet capable of preventing fire and isolating protection |
| CN117977393B (en) * | 2024-04-02 | 2024-06-18 | 沈阳世纪达电气自动化有限公司 | Power distribution cabinet capable of preventing fire and isolating protection |
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