CN112821260B - Switch board wind channel structure - Google Patents
Switch board wind channel structure Download PDFInfo
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- CN112821260B CN112821260B CN202110115329.2A CN202110115329A CN112821260B CN 112821260 B CN112821260 B CN 112821260B CN 202110115329 A CN202110115329 A CN 202110115329A CN 112821260 B CN112821260 B CN 112821260B
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- rectangular outer
- outer cylinder
- rectangular
- cabinet body
- fixedly connected
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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
- H02B1/56—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
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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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Ventilation (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet air duct structure which comprises a driving motor, a transmission mechanism, a cabinet body, auxiliary belt wheels, ventilation openings, an inverted U-shaped frame, rectangular outer cylinders, connecting shafts, fixing cylinders and fan blades.
Description
Technical Field
The invention discloses an air duct structure of a power distribution cabinet, and belongs to the technical field of power distribution cabinets.
Background
The distribution cabinet is a final-stage device of a distribution system. The switch board is motor control center's collective name, a large amount of components and parts of installation come the reply load to provide the protection in the switch board, keep watch on and control, in the use, produce a large amount of heats in the switch board, consequently, the louvre has often been seted up on the switch board side, and form the natural draft way, and then realize the heat dissipation operation, switch board wind channel structure most adopts natural draft at present, gas flow is slower, the radiating efficiency is very low, it can make inside components and parts last overheated to use for a long time, can have the potential safety hazard, therefore, need design a switch board wind channel structure and solve above-mentioned problem.
Summary of the invention
Aiming at the problems in the prior art, the invention provides a power distribution cabinet air duct structure.
The technical scheme adopted by the invention for solving the technical problem is as follows: the utility model provides a switch board wind channel structure, includes driving motor, drive mechanism, the cabinet body, assistant pulley, vent, the type of falling U frame, rectangle urceolus, connecting axle, solid fixed cylinder and flabellum, cabinet body upper end middle part fixed connection drive mechanism, drive mechanism upper end intermediate position fixed connection driving motor, the vent is all seted up to the both ends intermediate position about the cabinet body, the equal fixed connection type of falling U frame in both ends intermediate position and the inside vent that sets up of type of falling U frame about the cabinet body, the inside rectangle urceolus and the rectangle urceolus that sets up of type of falling U frame are in the vent outer end, the equal movable mounting assistant pulley and the assistant pulley department of the inside left and right sides of cabinet body is inboard towards the vent, two the assistant pulley all is connected with drive mechanism through the belt, inside the assistant pulley runs through the vent and extends into the rectangle urceolus towards vent one end intermediate position fixed connection axle and connecting axle, the connecting axle annular end is kept away from inside assistant pulley one side fixed cylinder of fixed connection solid fixed cylinder and solid fixed cylinder is in the rectangle urceolus, the three flabellum of solid fixed cylinder annular end equidistance fixed connection of solid fixed connection just is inside the rectangle urceolus.
Further, drive mechanism is including fixing the shell of arranging in cabinet body upper end and opening down, shell upper end intermediate position fixed connection driving motor, driving motor's output shaft passes shell and fixed connection main shaft and passes through the bearing rotation and connect cabinet body upper end, main bevel gear and the main bevel gear that main shaft upside annular end fixed connection upper and lower little was arranged are in inside the shell, the conical surface effect both ends of main bevel gear all mesh vice bevel gear, vice bevel gear deviates from main bevel gear one end intermediate position fixed connection countershaft, two the countershaft passes through the bearing and rotates respectively and connects on the inside two walls of controlling of shell, countershaft annular end is kept away from vice bevel gear one side fixed connection main belt wheel and the secondary belt wheel of corresponding one side and is connected through the belt.
Furthermore, two first rectangular through grooves are symmetrically formed in the upper end of the cabinet body and are located in the shell, the first rectangular through grooves are formed in the position under the main belt wheel, an auxiliary bearing seat is fixedly connected to the annular end of the auxiliary shaft and located between the auxiliary bevel gear and the main belt wheel, and the auxiliary bearing seat is fixed to the top end of the inner portion of the shell.
Further, the equal fixed connection transverse arrangement's in both ends U template and U template around the shell downside is in cabinet body upper end, U template upper end equidistance sets up a plurality of construction bolt, construction bolt runs through two transverse part and cabinet body upper portion and the threaded connection nut of U template.
Furthermore, two rectangular bearing blocks are symmetrically arranged on one side, away from the secondary belt wheel, of the annular end of the connecting shaft and located inside the rectangular outer barrel, a fixing barrel is arranged between the two rectangular bearing blocks, and reinforcing rods are fixedly connected between four side ends of each rectangular bearing block and corresponding side walls of the rectangular outer barrel.
Further, the second rectangle that a plurality of longitudinal arrangement was seted up to equidistance in the longitudinal portion of the type of falling U frame leads to the groove, rectangle urceolus upper end equidistance fixed connection a plurality of picture peg and picture peg are in the second rectangle and lead to the inslot, picture peg upper end intermediate position fixed connection pivot, pivot annular end is rotated through the bearing and is connected fly leaf and be in the type of falling U frame upper end, the fly leaf is the cross with the picture peg and arranges.
Furthermore, the lower ends of two vertical portions of the inverted U-shaped frame are all attached to longitudinally arranged limiting plates, the two limiting plates are all attached to the lower end of the rectangular outer barrel, two sliding grooves are symmetrically formed in the limiting plates, the sliding grooves extend to the inner end of the limiting plates, two fastening bolts are symmetrically arranged at the lower ends of the limiting plates, and the fastening bolts penetrate through the sliding grooves of the limiting plates and are in threaded connection with the vertical portions of the inverted U-shaped frame.
Further, the fixed dust screen of the inside fixed connection of rectangle urceolus and fixed dust screen are in the connecting axle and deviate from vice pulley one side, the rectangle urceolus deviates from vent one end laminating and sets up movable dust screen and is in the right-hand member of the frame of falling U type.
Furtherly, fixed dust screen deviates from connecting axle one end equidistance fixed connection and arranges a plurality of longitudinal arrangement's fixed plate and fixed plate laminating from top to bottom and sets up at the activity dust screen left end, activity dust screen lower extreme passes through the hinge rotation with rectangle urceolus lower extreme and is connected, activity dust screen upper end is connected through flat mouth hasp with the type of falling U frame upper end, the equidistance sets up a plurality of longitudinal arrangement's drier package and fixed plate alternate arrangement between activity dust screen and the fixed dust screen.
The invention has the beneficial effects that: (1) According to the air channel structure of the power distribution cabinet, the two auxiliary belt wheels are driven to synchronously rotate through the driving motor and the transmission mechanism, so that the two connecting shafts are driven to synchronously rotate, the two fixed cylinders are further synchronously rotated, the fan blades in the two rectangular outer cylinders are rotated, efficient air flow is generated, and under the action of the efficient air flow, external air is exchanged with air in the cabinet body through the rectangular outer cylinders and the ventilation openings, so that ventilation channels are formed, heat generated by electrical elements in the cabinet body can be efficiently dissipated, the heat dissipation efficiency is improved, and the safety is high.
(2) According to the air duct structure of the power distribution cabinet, the two auxiliary bevel gears, the two auxiliary shafts and the two main belt wheels are used for enabling the two auxiliary belt wheels to rotate positively and negatively synchronously under the action of the belt, so that the fan blades in the two rectangular outer cylinders rotate positively and negatively synchronously, external air can enter the cabinet body through the corresponding rectangular outer cylinders and the ventilation openings by utilizing the positive rotation of the fan blades in the rectangular outer cylinder on one side, the air in the cabinet body can be conveyed to the outside through the corresponding rectangular outer cylinders and the ventilation openings by utilizing the reverse rotation of the fan blades in the rectangular outer cylinder on the other side, the air flow rate in the cabinet body is further increased, and the heat dissipation efficiency is improved.
(3) According to the air duct structure of the power distribution cabinet, the movable plate and the inserting plate are rotated from a cross state to a parallel state through the rotating shaft, the rectangular outer cylinder is pulled downwards, the movable plate and the inserting plate are separated from the second rectangular through groove, the rectangular outer cylinder and the inverted U-shaped frame can be detached, the rectangular outer cylinder and related internal parts can be rapidly detached, and the air duct structure of the power distribution cabinet is convenient to maintain and replace.
(4) According to the air channel structure of the power distribution cabinet, the space between the fixed dustproof net and the movable dustproof net is divided into different cavities through the fixing plate, so that an installation space is provided for the desiccant bag, the desiccant bag is used for achieving a drying function, external air is prevented from entering the cabinet body, the safety is high, in addition, the flat nozzle buckle can be opened, the movable dustproof net can rotate around the hinge, the fixing plate is completely exposed, and the desiccant bag is convenient to maintain and replace.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of an air duct structure of a power distribution cabinet according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic diagram of a cabinet body in an air duct structure of a power distribution cabinet according to the present invention;
FIG. 4 is a cross-sectional view of a transmission mechanism in an air duct structure of a power distribution cabinet according to the present invention;
FIG. 5 is a cross-sectional view of an inverted U-shaped frame in an air duct structure of a power distribution cabinet according to the present invention;
FIG. 6 is an enlarged view of portion B of FIG. 5;
FIG. 7 is an enlarged view of portion C of FIG. 5;
fig. 8 is a perspective view of an inverted U-shaped frame in an air duct structure of a power distribution cabinet according to the present invention.
In the figure: 1. the device comprises a driving motor, 2, a transmission mechanism, 3, a cabinet body, 4, a secondary belt wheel, 5, a ventilation opening, 6, an inverted U-shaped frame, 7, a rectangular outer cylinder, 8, a connecting shaft, 9, a fixed cylinder, 10, fan blades, 21, a mounting bolt, 22, a U-shaped plate, 23, a shell, 24, a main shaft, 25, a main bevel gear, 26, a secondary shaft, 27, a main belt wheel, 28, a secondary bevel gear, 31, a first rectangular through groove, 61, a limiting plate, 62, a sliding groove, 63, a fastening bolt, 64, a second rectangular through groove, 71, a movable dustproof net, 72, a desiccant bag, 73, a fixed plate, 74, a fixed dustproof net, 75, an inserting plate, 76, a movable plate, 77, a rotating shaft, 81 and a rectangular bearing seat.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a switch board wind channel structure, including driving motor 1, drive mechanism 2, the cabinet body 3, secondary pulley 4, vent 5, type of falling U frame 6, rectangle urceolus 7, connecting axle 8, fixed cylinder 9 and flabellum 10, cabinet body 3 upper end middle part position fixed connection drive mechanism 2, drive mechanism 2 upper end intermediate position fixed connection driving motor 1, cabinet body 3 is controlled both ends intermediate position and is all seted up vent 5, cabinet body 3 is controlled both ends intermediate position and is all fixed connection type of falling U frame 6 and the inside vent 5 that sets up of type of falling U frame 6, type of falling U frame 6 is inside to set up rectangle urceolus 7 and be in vent 5 outer end, the equal movable mounting secondary pulley 4 in the left and right sides of cabinet body 3 inside and secondary pulley 4 department is inboard at vent 5, two secondary pulley 4 all are connected with drive mechanism 2 through the belt, secondary pulley 4 runs through vent 5 towards fixed connection axle 8 of 5 one end intermediate position and connecting axle 8 and extends into rectangle urceolus 7 inside, 8 annular end of connecting axle keeps away from secondary pulley 4 one side fixed cylinder 9 and fixed cylinder 7 inside the three equidistance of connecting axle 10 at rectangle urceolus 7.
Specifically, when using, switch on driving motor 1's circuit earlier, and start driving motor 1 through control switch, driving motor 1 works and under drive mechanism 2 effect, drive two secondary pulley 4 synchronous rotations, thereby drive two connecting axles 8 synchronous rotations, and then make two fixed section of thick bamboo 9 synchronous rotations, thereby make flabellum 10 all rotate in two rectangle urceolus 7, and then produce the efficient air current, and under the effect of efficient air current, make the outside air pass through rectangle urceolus 7 and vent 5 and the gaseous exchange of 3 inside of the cabinet body, thereby form the ventilation passageway, can dispel the heat to the heat that the internal electrical components of cabinet body 3 produced high-efficiently, promote the radiating efficiency, and the security is high.
The transmission mechanism 2 comprises a shell 23 fixed at the upper end of the cabinet body 3 and provided with a downward opening, a driving motor 1 is fixedly connected at the middle position of the upper end of the shell 23, an output shaft of the driving motor 1 penetrates through the shell 23 and is fixedly connected with a main shaft 24, the main shaft 24 is rotatably connected with the upper end of the cabinet body 3 through a bearing, a main bevel gear 25 which is arranged in a large-small manner is fixedly connected with an annular end at the upper side of the main shaft 24, the main bevel gear 25 is positioned in the shell 23, two ends of a conical surface of the main bevel gear 25 are engaged with a secondary bevel gear 28, the secondary bevel gear 28 is fixedly connected with a secondary shaft 26 at the middle position of one end deviating from the main bevel gear 25, the two secondary shafts 26 are respectively rotatably connected with the left wall and the right wall in the shell 23 through bearings, one side of the annular end of the secondary shaft 26, which is far away from the secondary bevel gear 28, is fixedly connected with a main belt wheel 27, and the main belt wheel 27 is connected with a secondary belt 4 at the corresponding side through a belt, specifically, the main shaft 24 is driven to rotate by the driving motor 1, so that the main bevel gear 25 rotates, because the main bevel gear 25 is meshed with the two auxiliary bevel gears 28, the main bevel gear 25 rotates to enable the two auxiliary bevel gears 28 to rotate in a positive and negative synchronous manner, so that the two auxiliary shafts 26 rotate in a positive and negative synchronous manner, so that the two main belt wheels 27 rotate in a positive and negative synchronous manner, and under the action of a belt, the two auxiliary belt wheels 4 rotate in a positive and negative synchronous manner, so that the fan blades 10 in the two rectangular outer cylinders 7 rotate in a positive and negative synchronous manner, and the fan blades 10 in the rectangular outer cylinder 7 on one side rotate in a positive direction, so that outside air enters the cabinet body 3 through the corresponding rectangular outer cylinder 7 and the ventilation opening 5, and the fan blades 10 in the rectangular outer cylinder 7 on the other side rotate in a reverse direction, so that the air in the cabinet body 3 is conveyed to the outside through the corresponding rectangular outer cylinder 7 and the ventilation opening 5, further increase the gaseous velocity of flow in the cabinet body 3, promote the radiating efficiency.
Two first rectangle through grooves 31 and first rectangle through groove 31 are seted up to cabinet body 3 upper end symmetry and are in inside shell 23, first rectangle through groove 31 sets up under primary pulley 27, auxiliary shaft 26 annular end fixed connection auxiliary bearing seat and auxiliary bearing seat are in between vice bevel gear 28 and primary pulley 27, auxiliary bearing seat fixes on the inside top of shell 23, specifically, through first rectangle through groove 31, be convenient for carry out the dismouting of belt between primary pulley 27 and the vice band pulley 4, in addition through auxiliary bearing seat, increase auxiliary shaft 26's installation stability.
Equal fixed connection transverse arrangement's in both ends U template and U template around shell 23 downside are in the 3 upper ends of the cabinet body, U template upper end equidistance sets up a plurality of construction bolt 21, construction bolt 21 runs through two transverse part and the 3 upper portions of the cabinet body and threaded connection nut of U template, specifically, through the U template, construction bolt 21 and nut, realize the fastening installation between shell 23 and the cabinet body 3, in addition, through the U template, one section exposure portion appears in the threaded rod with construction bolt 21, when construction bolt 21 and nut because of phenomenon such as iron rust can't be dismantled, can cut off the exposure section of construction bolt 21 through the instrument, be convenient for the dismantlement of shell 23.
Two rectangular bearing seats 81 are symmetrically installed at one side, far away from the secondary belt pulley 4, of the annular end of the connecting shaft 8, the rectangular bearing seats 81 are located inside the rectangular outer barrel 7, a fixing barrel 9 is arranged between the two rectangular bearing seats 81, reinforcing rods are fixedly connected between four side ends of the rectangular bearing seats 81 and corresponding side walls of the rectangular outer barrel 7, and specifically, the connecting shaft 8 and the rectangular outer barrel 7 are rotatably installed through the reinforcing rods and the rectangular bearing seats 81.
The inverted U-shaped frame 6 is provided with a plurality of second rectangular through grooves 64 which are longitudinally arranged at equal intervals on the longitudinal portion, the upper end of the rectangular outer cylinder 7 is fixedly connected with a plurality of inserting plates 75 at equal intervals, the inserting plates 75 are positioned in the second rectangular through grooves 64, the middle position of the upper ends of the inserting plates 75 is fixedly connected with a rotating shaft 77, the annular end of the rotating shaft 77 is rotatably connected with a movable plate 76 through a bearing, the movable plate 76 is positioned at the upper end of the inverted U-shaped frame 6, the movable plate 76 and the inserting plates 75 are arranged in a crossed manner, specifically, the movable plate 76 can be rotated through the rotating shaft 77 to enable the movable plate 76 and the inserting plates 75 to rotate from the crossed manner to be in a parallel state, the limitation of the upper and lower positions between the inverted U-shaped frame 6 and the rectangular outer cylinder 7 is removed, then the rectangular outer cylinder 7 is pulled downwards to separate the movable plate 76 and the inserting plates 75 from the second rectangular through grooves 64, and the rectangular outer cylinder 7 and the inverted U-shaped frame 6 can be detached, so that the rectangular outer cylinder 7 and related parts in the rectangular outer cylinder 7 and the inside can be rapidly detached, and the maintenance and the replacement are convenient.
Two vertical portion lower extremes of type of falling U frame 6 all laminate and set up longitudinal arrangement's limiting plate 61, two limiting plate 61 all laminate and set up at 7 lower extremes of rectangle urceolus, two spout 62 and spout 62 are seted up to the symmetry on limiting plate 61 and extend to limiting plate 61 towards the inner, limiting plate 61 lower extreme symmetry sets up two fastening bolt 63, fastening bolt 63 runs through limiting plate 61's spout 62 and with the vertical portion threaded connection of type of falling U frame 6, specifically, through limiting plate 61, carry out the auxiliary stay to rectangle urceolus 7, increase the installation stability of rectangle urceolus 7, before dismantling rectangle urceolus 7, can turn round loose fastening bolt 63, make limiting plate 61 outwards remove, thereby make limiting plate 61 shift out from 7 lower extremes of rectangle urceolus, be convenient for subsequent dismantlement of rectangle urceolus 7.
The fixed dust screen 74 of the inside fixed connection of rectangle urceolus 7 and fixed dust screen 74 are in that connecting axle 8 deviates from band pulley 4 one side, and rectangle urceolus 7 deviates from 5 one end laminating of vent and sets up movable dust screen 71 and be in the right-hand member of the frame of falling U type 6, specifically, through fixed dust screen 74 and movable dust screen 71, realize dustproof function, and the security is high.
Fixed dust screen 74 deviates from 8 one ends equidistance fixed connection of connecting axle and arranges a plurality of longitudinal arrangement's fixed plate 73 from top to bottom and fixed plate 73 laminating sets up at activity dust screen 71 left end, activity dust screen 71 lower extreme passes through the hinge rotation with rectangle urceolus 7 lower extreme and is connected, activity dust screen 71 upper end passes through flat mouth hasp with the frame 6 upper end of falling U type, activity dust screen 71 and fixed dust screen 74 between equidistance set up a plurality of longitudinal arrangement's drier package 72 and fixed plate 73 arrange in turn, specifically, through fixed plate 73, space between fixed dust screen 74 and the activity dust screen 71 is separated and is different cavitys, and then provide installation space for drier package 72, and utilize drier package 72 to realize the drying function, prevent that outside air from getting into the cabinet body 3 in, the security is high, in addition can open flat mouth hasp, can make activity dust screen 71 rotate around the hinge, thereby make fixed plate 73 expose completely, be convenient for maintain and change drier package 72.
In the specific embodiment, when in use, the circuit of the driving motor 1 is firstly switched on, the driving motor 1 is started through the control switch, the driving motor 1 drives the main shaft 24 to rotate, so that the main bevel gear 25 rotates, the main bevel gear 25 is meshed with the two secondary bevel gears 28, so that the main bevel gear 25 rotates to enable the two secondary bevel gears 28 to rotate in forward and reverse synchronizations, so that the two secondary shafts 26 rotate in forward and reverse synchronizations, the two primary pulleys 27 rotate in forward and reverse synchronizations, the two secondary pulleys 4 rotate in forward and reverse synchronizations under the action of a belt, so that the fan blades 10 in the two rectangular outer cylinders 7 rotate in forward and reverse synchronizations, the fan blades 10 in the rectangular outer cylinders 7 on one side rotate in forward and reverse synchronizations, the outside air enters the cabinet body 3 through the corresponding rectangular outer cylinders 7 and ventilation openings 5, the outside air is rapidly exchanged with the inside air of the cabinet body 3 through the rectangular outer cylinders 7 and the ventilation openings 5, a passage is formed, the inside ventilation elements in the cabinet body 3 can efficiently generate heat through the corresponding rectangular outer cylinders 7 and the ventilation openings 5, and the heat dissipation efficiency is high.
When the belt wheel is disassembled, the secondary belt wheel 4 and the belt are disassembled, the flat nozzle buckle is opened, the movable dustproof net 71 can rotate around the hinge, the fixing plate 73 is completely exposed, the drying agent bag 72 is taken out, the fastening bolt 63 is loosened, the limiting plate 61 moves outwards, the limiting plate 61 is moved out of the lower end of the rectangular outer cylinder 7, the movable plate 76 is rotated by the rotating shaft 77, the movable plate 76 and the inserting plate 75 rotate in a parallel state from a cross state, the limitation of the upper position and the lower position between the inverted U-shaped frame 6 and the rectangular outer cylinder 7 is removed, the rectangular outer cylinder 7 is pulled downwards, the movable plate 76 and the inserting plate 75 are separated from the second rectangular through groove 64, the rectangular outer cylinder 7 and the inverted U-shaped frame 6 can be disassembled, the rectangular outer cylinder 7 and related internal parts can be disassembled quickly, and maintenance and replacement are facilitated.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (1)
1. The use method of the air duct structure of the power distribution cabinet is characterized in that: the air duct structure comprises a driving motor (1), a transmission mechanism (2), a cabinet body (3), a secondary belt wheel (4), a vent (5), an inverted U-shaped frame (6), a rectangular outer cylinder (7), a connecting shaft (8), a fixed cylinder (9) and fan blades (10), the transmission mechanism (2) is fixedly connected to the middle position of the upper end of the cabinet body (3), the driving motor (1) is fixedly connected to the middle position of the upper end of the transmission mechanism (2), the vent (5) is respectively arranged at the middle positions of the left end and the right end of the cabinet body (3), the inverted U-shaped frame (6) is fixedly connected to the middle positions of the left end and the right end of the cabinet body (3), the vent (5) is arranged inside the inverted U-shaped frame (6), the rectangular outer cylinder (7) is arranged at the outer end of the vent (5), the secondary belt wheel (4) is movably mounted at the left side and the right side of the inside of the cabinet body (3), the secondary belt wheel (4) is arranged at the inside of the rectangular outer cylinder (5) and extends inwards towards the vent (8), one side, far away from the auxiliary belt wheel (4), of the annular end of the connecting shaft (8) is fixedly connected with a fixing cylinder (9), the fixing cylinder (9) is located inside the rectangular outer cylinder (7), three fan blades (10) are fixedly connected to the annular end of the fixing cylinder (9) at equal intervals, and the fan blades (10) are located inside the rectangular outer cylinder (7);
the transmission mechanism (2) comprises a shell (23) which is fixed at the upper end of the cabinet body (3) and is provided with an opening facing downwards, the middle position of the upper end of the shell (23) is fixedly connected with a driving motor (1), an output shaft of the driving motor (1) penetrates through the shell (23) and is fixedly connected with a main shaft (24), the main shaft (24) is rotatably connected with the upper end of the cabinet body (3) through a bearing, an annular end at the upper side of the main shaft (24) is fixedly connected with a main bevel gear (25) which is arranged in a large-size and small-size mode, the main bevel gear (25) is positioned in the shell (23), two conical surfaces of the main bevel gear (25) are used for acting, two ends of the conical surface of the main bevel gear (25) are respectively meshed with a secondary bevel gear (28), the secondary bevel gear (28) deviates from the middle position of one end of the main bevel gear (25) and is fixedly connected with a secondary belt wheel (27) at the left wall and the right wall of the inner part of the shell (23) through a bearing, and the annular end of the secondary bevel gear (26) is far away from one side of the secondary bevel gear (28) and is fixedly connected with a primary belt wheel (27) through a belt;
two first rectangular through grooves (31) are symmetrically formed in the upper end of the cabinet body (3), the first rectangular through grooves (31) are located in the shell (23), the first rectangular through grooves (31) are arranged on the right lower side of the main belt wheel (27), an auxiliary bearing seat is fixedly connected to the annular end of the auxiliary shaft (26) and located between the auxiliary bevel gear (28) and the main belt wheel (27), and the auxiliary bearing seat is fixed to the top end of the interior of the shell (23);
the front end and the rear end of the lower side of the shell (23) are fixedly connected with U-shaped plates which are transversely arranged, the U-shaped plates are positioned at the upper end of the cabinet body (3), a plurality of mounting bolts (21) are arranged at the upper end of the U-shaped plates at equal intervals, and the mounting bolts (21) penetrate through two transverse parts of the U-shaped plates and the upper part of the cabinet body (3) and are in threaded connection with nuts;
two rectangular bearing blocks (81) are symmetrically arranged at one side, far away from the secondary belt wheel (4), of the annular end of the connecting shaft (8), the rectangular bearing blocks (81) are located inside the rectangular outer cylinder (7), a fixing cylinder (9) is arranged between the two rectangular bearing blocks (81), and reinforcing rods are fixedly connected between four side ends of each rectangular bearing block (81) and the corresponding side wall of the rectangular outer cylinder (7);
a plurality of second rectangular through grooves (64) which are longitudinally arranged are equidistantly formed in the longitudinal portion of the inverted U-shaped frame (6), a plurality of inserting plates (75) are fixedly connected to the upper end of the rectangular outer cylinder (7) at equal intervals, the inserting plates (75) are located in the second rectangular through grooves (64), a rotating shaft (77) is fixedly connected to the middle position of the upper end of each inserting plate (75), the annular end of each rotating shaft (77) is rotatably connected with a movable plate (76) through a bearing, the movable plates (76) are located at the upper end of the inverted U-shaped frame (6), and the movable plates (76) and the inserting plates (75) are arranged in a crossed manner;
the lower ends of two vertical parts of the inverted U-shaped frame (6) are respectively provided with a limiting plate (61) which is longitudinally arranged in an attached mode, the two limiting plates (61) are respectively arranged at the lower end of the rectangular outer barrel (7) in an attached mode, the limiting plates (61) are symmetrically provided with two sliding chutes (62), the sliding chutes (62) extend to the inward end of the limiting plates (61), the lower ends of the limiting plates (61) are symmetrically provided with two fastening bolts (63), and the fastening bolts (63) penetrate through the sliding chutes (62) of the limiting plates (61) and are in threaded connection with the vertical parts of the inverted U-shaped frame (6);
a fixed dust screen (74) is fixedly connected inside the rectangular outer cylinder (7), the fixed dust screen (74) is positioned on one side, away from the secondary belt wheel (4), of the connecting shaft (8), one end, away from the ventilation opening (5), of the rectangular outer cylinder (7) is provided with a movable dust screen (71) in an attaching mode, and the movable dust screen (71) is positioned at the right end of the inverted U-shaped frame (6);
the drying machine is characterized in that one end, away from the connecting shaft (8), of the fixed dustproof net (74) is fixedly connected with a plurality of fixing plates (73) which are longitudinally arranged at the upper part and the lower part in an equidistant mode, the fixing plates (73) are attached to the left end of the movable dustproof net (71), the lower end of the movable dustproof net (71) is rotatably connected with the lower end of the rectangular outer cylinder (7) through hinges, the upper end of the movable dustproof net (71) is connected with the upper end of the inverted U-shaped frame (6) through flat nozzle buckles, a plurality of drying agent bags (72) which are longitudinally arranged are arranged between the movable dustproof net (71) and the fixed dustproof net (74) in an equidistant mode, and the drying agent bags (72) and the fixing plates (73) are alternately arranged;
when in use, the circuit of the driving motor (1) is firstly switched on, the driving motor (1) is started through the control switch, the driving motor (1) drives the main shaft (24) to rotate, so that the main bevel gear (25) rotates, the main bevel gear (25) is meshed with the two auxiliary bevel gears (28), so that the main bevel gear (25) rotates to enable the two auxiliary bevel gears (28) to rotate in a positive and negative synchronous mode, so that the two auxiliary shafts (26) rotate in a positive and negative synchronous mode, the two main belt wheels (27) rotate in a positive and negative synchronous mode, the two auxiliary belt wheels (4) rotate in a positive and negative synchronous mode under the action of a belt, and the fan blades (10) in the two rectangular outer cylinders (7) rotate in a positive and negative synchronous mode, the fan blades (10) in the rectangular outer cylinder (7) on one side rotate in the positive direction to enable outside air to enter the cabinet body (3) through the corresponding rectangular outer cylinder (7) and the ventilation opening (5), and the fan blades (10) in the rectangular outer cylinder (7) on the other side rotate in the reverse direction to enable the air in the cabinet body (3) to be conveyed to the outside through the corresponding rectangular outer cylinder (7) and the ventilation opening (5), so that the outside air is rapidly exchanged with the air in the cabinet body (3) through the rectangular outer cylinder (7) and the ventilation opening (5) to form a ventilation channel, heat generated by electric elements in the cabinet body (3) is efficiently dissipated, the heat dissipation efficiency is improved;
when the drying device is disassembled, the secondary belt wheel (4) and a belt are disassembled, the flat nozzle hasp is opened, the movable dustproof net (71) can rotate around the hinge, the fixing plate (73) is completely exposed, the drying agent bag (72) is taken out, the fastening bolt (63) is unscrewed, the limiting plate (61) moves outwards, the limiting plate (61) moves out of the lower end of the rectangular outer cylinder (7), the movable plate (76) is rotated by the rotating shaft (77) to enable the movable plate (76) and the inserting plate (75) to rotate in a straight parallel state from a cross state, the limitation of the upper position and the lower position between the inverted U-shaped frame (6) and the rectangular outer cylinder (7) is removed, the rectangular outer cylinder (7) is pulled downwards, the movable plate (76) and the inserting plate (75) are separated from the second rectangular through groove (64), and the rectangular outer cylinder (7) and the inverted U-shaped frame (6) can be disassembled, so that the rectangular outer cylinder (7) and related internal parts can be disassembled quickly and maintenance and replacement are convenient.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110115329.2A CN112821260B (en) | 2021-01-28 | 2021-01-28 | Switch board wind channel structure |
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| CN202110115329.2A CN112821260B (en) | 2021-01-28 | 2021-01-28 | Switch board wind channel structure |
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| CN112821260B true CN112821260B (en) | 2022-12-20 |
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| CN112821260A (en) | 2021-05-18 |
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Effective date of registration: 20221205 Address after: No. 20 Zhong Rongwu, Wuxue City, Huanggang City, Hubei Province, 435,400 Applicant after: Liu Tangwen Address before: 621000 Southwest University, No.10 Yanjiang West Street, Fucheng District, Mianyang City, Sichuan Province Applicant before: Jin Yurong |
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