CN119765077A - Dustproof guard box of electrical equipment of high-efficient radiating - Google Patents

Abstract

The invention discloses a dustproof protection box for electrical equipment with efficient heat dissipation, and belongs to the technical field of electrical equipment. A dustproof protection box for electrical equipment with high-efficiency heat dissipation comprises a base and a box cabinet fixedly arranged on the surface of the base. This dustproof guard box of high-efficient radiating electrical equipment, wind is inside entering heat abstractor through a plurality of air outlets, the blast pipe, intake pipe and inlet port, when two heat abstractor air supplies near the mount bottom, wind is inside entering heat abstractor through a plurality of air outlets, the cold air pipe, the cold wind hole, the through-hole, intake pipe and inlet port, two air regulating plates rotate in opposite directions so that heat abstractor exhaust area reduces, improve the radiating effect to electrical equipment spare, guarantee the normal work of electrical equipment spare, during winter, two heat abstractors near the mount bottom, blow hot-blast to the electrical equipment spare of bottom, avoid the electrical equipment spare frosting problem of the bottom of guard box, further guaranteed the electrical equipment spare steady operation.

Description

Dustproof guard box of electrical equipment of high-efficient radiating

Technical Field

The invention relates to the technical field of electrical equipment, in particular to a dustproof protection box for electrical equipment, which is capable of efficiently radiating heat.

Background

Electrical equipment is an important component in electrical power systems and power consumption systems for the production, delivery, distribution, use and electrical equipment manufacture of electrical energy converted from mechanical energy to electrical energy by generators, delivered from power plants to various areas by transformers and transmission lines, and distributed to end users by distribution equipment.

The Chinese patent application number CN202111526837.6 discloses a high-efficiency heat-dissipation electric equipment protection box, which comprises a protection box body, heat-dissipation dustproof mechanisms, two groups of heat-dissipation dustproof mechanisms, wherein each group of heat-dissipation dustproof mechanisms is symmetrically arranged in the protection box body and used for heat dissipation and dust prevention in the protection box body, and each group of heat-dissipation dustproof mechanisms comprises a plurality of heat dissipation holes, two heat dissipation fans, a driving part, a dustproof frame, a dustproof net and a cleaning plate.

This high-efficient radiating electrical equipment guard box can accelerate the heat dissipation to electrical equipment, avoid electrical equipment's radiating effect poor, the staff of being convenient for overhauls electrical equipment, avoid electrical equipment to overhaul comparatively troublesome, but current electrical equipment guard box adopts simple ventilation design to reduce inside temperature generally, but this kind of design often relies on a plurality of ventilation fans to realize the circulation of air, however, many fan systems have not only increased the energy consumption, and in practical application effect is not ideal moreover, because the wind that the fan blows out is the diffusion type, can't change the area of blowing of wind gap, lead to radiating efficiency low, in addition, electrical equipment guard box's bottom and ground contact position are liable to frosting because of the difference in temperature when winter, further influence the normal operating of equipment.

Disclosure of Invention

The invention aims to provide an electric equipment dustproof protection box with high-efficiency heat dissipation, which solves the problems in the background technology:

In order to achieve the above object, the present invention provides the following technical solutions:

The utility model provides a dustproof guard box of high-efficient radiating electrical equipment, includes base and fixed mounting at its surface's cabinet, the inside bottom surface fixed mounting of cabinet has the mount, the both sides surface of mount is fixed mounting respectively has a plurality of electrical equipment spare and heat abstractor, and heat abstractor and electrical equipment spare crisscross interval setting from top to bottom, the change-over groove has all been seted up to heat abstractor's corresponding inner wall, the inside rotation of change-over groove is connected with the rotation axis, two the surface of rotation axis is all fixed mounting has the air regulating plate, a plurality of through inlet port have been seted up to heat abstractor's inner wall, heat abstractor's fixed mounting has a plurality of intake pipes with the inlet port intercommunication, be close to the common fixed mounting of two heat abstractor's surfaces of mount bottom has the cold and hot converter, the through-hole with the intake pipe intercommunication is seted up on the surface of cold and hot converter, a plurality of cold wind holes and hot wind holes have been seted up respectively to the surface of change-over frame, the surface of change-over frame is fixed mounting respectively with cold wind pipe and hot wind pipe with cold wind hole and intercommunication.

Through adopting above-mentioned technical scheme, wind gets into heat abstractor inside through a plurality of air outlets, the blast pipe, intake pipe and inlet port, and when supplying air to two heat abstractors that are close to the mount bottom, wind gets into heat abstractor inside through a plurality of air outlets, the cold wind pipe, the cold wind hole, the through-hole, intake pipe and inlet port, then the expansion bend stretches out and takes lifter plate upward movement, the pinion rack motion takes first gear and second gear to rotate in opposite directions this moment for the rotation axis rotates and takes the aviation baffle to rotate, two aviation baffles rotate in opposite directions and make heat abstractor exhaust area reduce, the rethread a plurality of louvres is convection with the outside air, and then can improve the radiating effect to electrical equipment spare, guarantee the normal work of electrical equipment spare, in winter, avoid the electrical equipment spare of the bottom of guard box to frost the problem easily, further guaranteed the stable work of electrical equipment spare.

Preferably, the two ends of the rotating shaft are provided with first rotating shafts, and the rotating shaft is rotationally connected with the rotating groove through the first rotating shafts.

Preferably, the inner wall fixed mounting of cabinet has the fan support, the fixed surface mounting of fan support has fan device, fan device's fixed surface installs the collection wind dish rather than the intercommunication, the air outlet the same with intake pipe quantity has been seted up on collection wind dish's surface, the intake pipe passes through blast pipe and air outlet intercommunication, is close to two heat abstractors of mount bottom are thereby through intake pipe, through-hole, cold wind pipe and air outlet and collection wind dish intercommunication, the one end and the air outlet intercommunication of cold wind pipe.

Through adopting above-mentioned technical scheme, two heat abstractor of mount bottom can dispel the heat to the electrical equipment spare of bottom, during winter, can also avoid the electrical equipment spare of the bottom of guard box to frost the problem easily.

Preferably, the surface of the cold-hot converter is provided with grooves for movement of the cold air pipe and the hot air pipe, a mounting plate is arranged between the cold-hot converter and the two heat dissipation devices, and the cold-hot converter is fixedly connected with the heat dissipation devices through the mounting plate.

Preferably, the inner bottom surface of the cold-hot converter is slidably connected with a penetrating guide rod, one end of the guide rod is fixedly connected with the conversion frame, the other end of the guide rod is fixedly provided with a movable seat, and the surface of the guide rod is sleeved with a spring for resetting the guide rod.

By adopting the technical scheme, the guide rod is used for guiding the movement of the conversion frame.

Preferably, one end of the spring is fixedly connected with the bottom surface of the cold-hot converter, the other end of the spring is fixedly connected with the surface of the movable seat, and the movable seat is elastically connected with the cold-hot converter through the spring.

By adopting the technical scheme, the spring is used for resetting the motion of the movable seat.

Preferably, the surface of the fixing frame is rotationally connected with a second rotating shaft, a cam used for extruding the movable seat is fixedly arranged on one end surface of the second rotating shaft, a motor is fixedly arranged on the surface of the fixing frame, and the output end of the motor is fixedly connected with the second rotating shaft.

By adopting the technical scheme, the rotation of the cam enables the conversion frame to move, and cold air and hot air exchange of the cold-hot converter is realized.

Preferably, one end of the first rotating shaft extends to the outside of the heat dissipating device, a first gear and a second gear are fixedly installed on one end surface of the first rotating shaft respectively, a lifting plate capable of vertically and reciprocally moving up and down is arranged between the first gear and the second gear, toothed plates meshed with the first gear and the second gear are fixedly installed on two side surfaces of the lifting plate, a telescopic device is fixedly installed on the surface of the cabinet, the telescopic end of the telescopic device is fixedly connected with the lifting plate, and a plurality of heat dissipating holes are formed in two side surfaces of the cabinet.

Through adopting above-mentioned technical scheme, the expansion bend stretches out and takes lifter upward movement, and pinion rack motion is taking first gear and second gear to rotate in opposite directions this moment for the rotation axis rotates and takes the aviation baffle to rotate, and two aviation baffles rotate in opposite directions and make heat abstractor exhaust area reduce, and a plurality of louvres of rethread are convection with the outside air, and then can improve cooling to electrical equipment spare.

Preferably, the bottom surface fixed mounting of cabinet has the heater, the top surface fixed mounting of heater has the wind storehouse that gathers rather than the intercommunication, gather wind the top surface of storehouse and seted up a plurality of air exit with the hot-blast main intercommunication, a plurality of through-connection holes have been seted up on the surface of base, the heat dissipation logical groove of connecting hole intercommunication has been seted up to the base side surface, the bottom surface fixed mounting of heater has the fan body that is used for its blowing, and thereby the heater passes through fan body and connecting hole mutually mate and heat dissipation logical groove intercommunication, the fan body is in the inside of connecting hole, the surface of cabinet is provided with two switch doors.

Through adopting above-mentioned technical scheme, wind passes through hot-blast main, hot-blast hole, through-hole, intake pipe and inlet port and gets into in two heat abstractor near the mount bottom, then blows hot-blast to the electrical equipment spare of bottom, avoids the electrical equipment spare of the bottom of guard box to frost the problem easily.

Preferably, the back of the cabinet is provided with a detachable dust screen, the dust screen corresponds to the position of the fan device, and the dust screen is used for preventing dust of the fan device.

Through adopting above-mentioned technical scheme, be provided with at the back of cabinet and dismantle the dust screen, when dust screen surface dust is more, can dismantle the dust screen and clear up, guarantee the entering cabinet throughput of external wind, guaranteed the radiating effect to the electrical equipment spare, and then guaranteed the normal work of electrical equipment spare.

Compared with the prior art, the invention has the beneficial effects that:

1) This dustproof guard box of high-efficient radiating electrical equipment is when using, wind passes through a plurality of air outlets, the blast pipe, intake pipe and inlet port get into heat abstractor inside, and when supplying wind to two heat abstractors that are close to the mount bottom, wind passes through a plurality of air outlets, the cold blast pipe, the cold wind hole, the through-hole, intake pipe and inlet port get into heat abstractor inside, then the expansion bend stretches out and takes lifter plate upward movement, toothed plate motion is with first gear and second gear rotation in opposite directions this moment for the rotation of rotation axis is with the transfer aerofoil rotation, two transfer aerofoil opposite directions rotate and are made heat abstractor exhaust area reduce, rethread a plurality of louvres and external air convection, can improve the radiating effect to electrical equipment spare, guarantee the normal work of electrical equipment spare.

2) This dustproof guard box of high-efficient radiating electrical equipment is when using, fan body work is bloied in to the heater, wind heats through the heater, gather the wind storehouse and flow, discharge from the air exit, the motor rotates and takes the cam rotation extrusion to remove the seat this moment, remove the seat upward movement and take the guide arm upward movement, and then make the conversion frame at the inside upward movement of cold and hot converter, make hot blast hole and through-hole intercommunication, then wind passes through the hot-blast pipe, the hot blast hole, the through-hole, intake pipe and inlet port get into in two heat abstractor near the mount bottom, then blow hot-blast to the electrical equipment spare of bottom, avoid the electrical equipment spare of the bottom of guard box to frost the problem easily, further guaranteed electrical equipment spare steady operation.

3) This high-efficient radiating electrical equipment dustproof guard box is when using, is provided with the detachable dust screen in the back of cabinet, when dust screen surface dust is more, the detachable dust screen clear up, guarantees the entering cabinet throughput of external wind, has guaranteed the radiating effect to electrical equipment spare, and then has guaranteed the normal work of electrical equipment spare.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the installation position of the dust screen of the present invention;

FIG. 3 is a schematic view of the internal structure of the cabinet of the present invention;

FIG. 4 is a schematic view of a distributed mounting structure of an electrical device and a heat sink according to the present invention;

FIG. 5 is a schematic diagram of the structure of the cold-hot converter according to the present invention;

FIG. 6 is a schematic diagram of a heat dissipating device according to the present invention;

FIG. 7 is a schematic diagram of the internal structure of the heat dissipating device according to the present invention;

FIG. 8 is a schematic diagram of the mounting location of the conversion frame of the present invention;

FIG. 9 is a schematic diagram of the cold-hot converter and the converter rack of the present invention separated;

FIG. 10 is a schematic view of a fan assembly and a wind collecting tray assembly according to the present invention;

Fig. 11 is a schematic view of a heater installation position of the present invention.

The reference numerals in the drawing indicate that 1, a base, 2, a cabinet, 3, a fixing frame, 4, an electrical equipment part, 5, a heat radiating device, 6, a rotary groove, 7, a first rotary shaft, 8, a rotary shaft, 9, a wind regulating plate, 10, an air inlet hole, 11, an air inlet pipe, 12, a cold and hot converter, 13, a through hole, 14, a conversion frame, 15, a cold air hole, 16, a hot air hole, 17, a cold air pipe, 18, a hot air pipe, 19, a fan bracket, 20, a fan device, 21, a wind collecting disc, 22, an air outlet, 23, a slot, 24, a mounting plate, 25, a guide rod, 26, a movable seat, 27, a spring, 28, a second rotary shaft, 29, a cam, 30, a motor, 31, a first gear, 32, a second gear, a lifting plate, 34, a toothed plate, 35, a telescopic device, 36, a heat radiating hole, 37, a heater, 38, a wind collecting bin, 39, an air outlet, 40, a connecting hole, 41, a fan body, 42, a heat radiating through groove, 43, a dustproof net, 44 and a switch door.

Detailed Description

Example 1: referring to fig. 1-11, a dustproof protection box for electrical equipment with high efficiency heat dissipation comprises a base 1 and a cabinet 2 fixedly installed on the surface of the base, wherein the cabinet 2 is used for protecting internal electrical equipment 4 and preventing the electrical equipment 4 from being damaged due to external force factors, a fixing frame 3 is fixedly installed on the bottom surface of the interior of the cabinet 2, a plurality of electrical equipment 4 and heat dissipation devices 5 are respectively and fixedly installed on the two side surfaces of the fixing frame 3, the heat dissipation devices 5 and the electrical equipment 4 are arranged at intervals in an up-down staggered manner, the heat dissipation devices 5 are heat dissipation devices 5 with adjustable blowing areas, rotary slots 6 are formed in the corresponding inner walls of the heat dissipation devices 5, rotary shafts 8 are rotatably connected in the rotary slots 6, air regulating plates 9 are fixedly installed on the surfaces of the two rotary shafts 8, a plurality of penetrating air inlet holes 10 are formed in the inner walls of the heat dissipation devices 5, the surface of the heat dissipation device 5 is fixedly provided with a plurality of air inlet pipes 11 communicated with the air inlet holes 10, the surfaces of the two heat dissipation devices 5 close to the bottom of the fixing frame 3 are fixedly provided with cold and hot converters 12 together, in winter, the cold and hot converters 12 realize cold and hot air exchange, through holes 13 communicated with the air inlet pipes 11 are formed in the surfaces of the cold and hot converters 12, the inside of the cold and hot converters 12 is slidingly connected with a conversion frame 14 matched with the cold and hot converters 12, the surfaces of the conversion frame 14 are respectively provided with a plurality of cold air holes 15 and hot air holes 16, the surfaces of the conversion frame 14 are respectively fixedly provided with a cold air pipe 17 and a hot air pipe 18 communicated with the cold air holes 15 and the hot air holes 16, air enters the inside of the heat dissipation devices 5 through a plurality of air outlets 22, an air supply pipe, the air inlet pipes 11 and the air inlet holes 10, and when the two heat dissipation devices 5 close to the bottom of the fixing frame 3 are supplied with air through the plurality of air outlets 22, the cold air pipes 17, the cold air holes 15, the through holes 13, the air inlet pipe 11 and the air inlet holes 10 enter the heat dissipating device 5, then the telescopic device 35 stretches out and carries the lifting plate 33 to move upwards, at the moment, the toothed plate 34 moves and carries the first gear 31 and the second gear 32 to rotate in opposite directions, the rotating shaft 8 rotates and carries the air regulating plates 9 to rotate, the two air regulating plates 9 rotate in opposite directions, the air exhausting area of the heat dissipating device 5 is reduced, the heat dissipating effect on the electric equipment 4 can be improved through the plurality of heat dissipating holes 36 and the external air convection, normal operation of the electric equipment 4 is ensured, the fan body 41 is used for blowing air into the heater 37, the air is heated through the heater 37, the air is gathered through the air gathering bin 38, the air is discharged from the air exhausting port 39, at the moment, the motor 30 rotates and carries the cam 29 to rotate and squeeze the moving seat 26, the moving seat 26 moves upwards and carries the guide rod 25 to move upwards, the converting frame 14 moves upwards in the cold and hot air 12, the hot air holes 16 are communicated with the through holes 13, the hot air pipes 18, the hot air inlets 13, the air inlet 11 and the air inlet 10 enter the two electric equipment 4 near the bottom parts 3, the bottom of the heat dissipating device 4, the electric equipment 4 is further guaranteed to blow the frost to the bottom part, and the electric equipment 4 is further stable, and the problem is avoided.

The two ends of the rotating shaft 8 are provided with first rotating shafts 7, and the rotating shaft 8 is rotatably connected with the rotating groove 6 through the first rotating shafts 7.

The inner wall fixed mounting of cabinet 2 has fan support 19, fan device 20 is installed to fan support 19's fixed surface, fan device 20's fixed surface installs the collection wind dish 21 rather than the intercommunication, collection wind dish 21's surface has seted up the air outlet 22 the same with intake pipe 11 quantity, intake pipe 11 passes through blast pipe and air outlet 22 intercommunication, thereby two heat abstractor 5 near the mount 3 bottom communicate with collection wind dish 21 through intake pipe 11, through-hole 13, cold wind hole 15, cold wind pipe 17 and air outlet 22, thereby cold wind pipe 17's one end and air outlet 22 intercommunication, two heat abstractor 5 of mount 3 bottom both can dispel the heat to the electrical equipment 4 of bottom, during winter, the electrical equipment 4 of the bottom of protection case still can avoid frosting the problem easily.

The surface of the cold-hot converter 12 is provided with a slot 23 for the movement of the cold air pipe 17 and the hot air pipe 18, a mounting plate 24 is arranged between the cold-hot converter 12 and the two heat dissipation devices 5, and the cold-hot converter 12 is fixedly connected with the heat dissipation devices 5 through the mounting plate 24.

The inner bottom surface of the cold-hot converter 12 is connected with a penetrating guide rod 25 in a sliding manner, one end of the guide rod 25 is fixedly connected with the conversion frame 14, the other end of the guide rod 25 is fixedly provided with a movable seat 26, the surface of the guide rod 25 is sleeved with a spring 27 for resetting the guide rod, and the guide rod 25 is used for guiding the movement of the conversion frame 14.

One end of the spring 27 is fixedly connected with the bottom surface of the cold-hot converter 12, the other end of the spring 27 is fixedly connected with the surface of the movable seat 26, the movable seat 26 is elastically connected with the cold-hot converter 12 through the spring 27, and the spring 27 is used for resetting the movement of the movable seat 26.

The surface of the fixed frame 3 is rotationally connected with a second rotating shaft 28, one end surface of the second rotating shaft 28 is fixedly provided with a cam 29 for extruding the movable seat 26, the surface of the fixed frame 3 is fixedly provided with a motor 30, the motor 30 is a conventional motor in the prior art, the output end of the motor 30 is fixedly connected with the second rotating shaft 28, and the cam 29 rotates to enable the conversion frame 14 to move, so that cold air and hot air exchange of the cold-hot converter 12 is realized.

One end of each first rotating shaft 7 extends to the outside of the heat dissipating device 5, a first gear 31 and a second gear 32 are fixedly arranged on one end surface of each first rotating shaft 7, a lifting plate 33 capable of vertically and reciprocally moving up and down is arranged between each first gear 31 and each second gear 32, toothed plates 34 meshed with each first gear 31 and each second gear 32 are fixedly arranged on two side surfaces of each lifting plate 33, a telescopic device 35 is fixedly arranged on the surface of each cabinet 2, the telescopic devices 35 are conventional electric control push rods in the prior art, telescopic ends of the telescopic devices 35 are fixedly connected with the lifting plates 33, a plurality of heat dissipating holes 36 are formed in two side surfaces of each cabinet 2, the telescopic devices 35 extend out to upwards move with the lifting plates 33, at the moment, the toothed plates 34 move to oppositely rotate with the first gears 31 and the second gears 32, the rotating shafts 8 rotate with the air regulating plates 9, the air exhausting areas of the heat dissipating devices 5 are reduced through the plurality of the heat dissipating holes 36, and the cooling of the external devices 4 can be improved.

The bottom surface fixed mounting of cabinet 2 has heater 37, heater 37 is conventional gas heating equipment in the prior art, the top surface fixed mounting of heater 37 has the collection wind storehouse 38 rather than the intercommunication, the top surface of collection wind storehouse 38 has seted up a plurality of air exit 39 rather than the hot-blast main 18 intercommunication, a plurality of through-connection holes 40 have been seted up on the surface of base 1, the heat dissipation logical groove 42 of connecting hole 40 intercommunication has been seted up to the base 1 side surface, the bottom surface fixed mounting of heater 37 has the fan body 41 that is used for blowing it, and heater 37 is through fan body 41 and connecting hole 40 mutually mate thereby with heat dissipation logical groove 42 intercommunication, fan body 41 is in the inside of connecting hole 40, the surface of cabinet 2 is provided with two switch doors 44, the wind is through hot-blast main 18, hot-blast hole 16, through-hole 13, intake pipe 11 and inlet port 10 get into two heat abstractors 5 near the mount 3 bottom, then blow hot-blast to electric equipment 4 of bottom, avoid the easy frosting problem of electric equipment 4 of the bottom of protection case.

When the electrical equipment 4 needs to be cooled, wind gathers in the wind collecting tray 21 when the fan device 20 works, then the wind enters the heat dissipating device 5 through the plurality of air outlets 22, the air supply pipes, the air inlet pipes 11 and the air inlet holes 10, and when the wind is supplied to the two heat dissipating devices 5 near the bottom of the fixing frame 3, the wind passes through the plurality of air outlets 22, the air cooling pipes 17, the air cooling holes 15, the through holes 13, The air inlet pipe 11 and the air inlet hole 10 enter the heat dissipating device 5, then the telescopic device 35 stretches out and moves upwards with the lifting plate 33, at the moment, the toothed plate 34 moves and rotates oppositely with the first gear 31 and the second gear 32, the rotating shaft 8 rotates and rotates with the air regulating plates 9, the two air regulating plates 9 rotate oppositely to reduce the air exhausting area of the heat dissipating device 5, the heat dissipating effect on the electric equipment 4 can be improved through the plurality of heat dissipating holes 36 and the convection of the outside air, in winter, in order to avoid the problem that the contact part of the bottom of the protection box and the ground is easy to frost, the fan body 41 works to blow air into the heater 37, the air is heated by the heater 37, the air is gathered by the air gathering bin 38 and discharged from the air outlet 39, at the moment, the motor 30 rotates and extrudes the moving seat 26 by rotating the cam 29, the moving seat 26 moves upwards with the guide rod 25, the converting frame 14 moves upwards in the cold and hot air 12, the hot air hole 16 is communicated with the through hole 13, and then the air passes through the hot air pipe 18, The hot air hole 16, the through hole 13, the air inlet pipe 11 and the air inlet hole 10 enter two heat dissipation devices 5 near the bottom of the fixing frame 3, then hot air is blown to the electrical equipment 4 at the bottom, so that the problem that the electrical equipment 4 at the bottom of the protection box is easy to frost is avoided The air inlet pipe 11 and the air inlet hole 10 enter the heat dissipating device 5, then the telescopic device 35 stretches out and moves upwards with the lifting plate 33, at the moment, the toothed plate 34 moves to rotate oppositely with the first gear 31 and the second gear 32, so that the rotating shaft 8 rotates to rotate with the air regulating plates 9, the two air regulating plates 9 rotate oppositely to reduce the air exhausting area of the heat dissipating device 5, the heat dissipating effect on the electric equipment 4 can be improved by convection with the outside air through the plurality of heat dissipating holes 36, the normal operation of the electric equipment 4 is ensured, the fan body 41 blows air into the heater 37, the air is heated by the heater 37 and is concentrated by the air gathering bin 38, and is discharged from the air outlet 39, at the moment, the motor 30 rotates to press the moving seat 26 with the cam 29, the moving seat 26 moves upwards with the guide rod 25 upwards, the converting frame 14 moves upwards in the cold and hot converter 12, the hot air hole 16 is communicated with the through hole 13, and then the air passes through the hot air pipe 18, The hot air hole 16, the through hole 13, the air inlet pipe 11 and the air inlet hole 10 enter the two heat dissipation devices 5 close to the bottom of the fixing frame 3, and then hot air is blown to the electrical equipment 4 at the bottom, so that the problem that the electrical equipment 4 at the bottom of the protection box is easy to frost is avoided, and the stable operation of the electrical equipment 4 is further ensured.

Referring to fig. 1-11, the difference between the combination of the embodiment 1 and the embodiment 1 is that a detachable dust screen 43 is disposed on the back of the cabinet 2, the dust screen 43 corresponds to the position of the fan device 20, the dust screen 43 is used for dust-proofing the fan device 20, the fan device 20 is a conventional air supply device in the prior art, when the fan device 20 works, external air enters the cabinet 2 through the dust screen 43, and because floating dust exists in the external environment, the external air can be on the surface of the dust screen 43 for a long time, the throughput of the external air can be affected, the entering of the air volume is further reduced, the heat dissipation effect of the electrical equipment 4 is affected, the detachable dust screen 43 is disposed on the back of the cabinet 2, when the dust on the surface of the dust screen 43 is more, the dust screen 43 can be removed for cleaning, the throughput of the external air entering the cabinet 2 is guaranteed, the heat dissipation effect of the electrical equipment 4 is guaranteed, and the normal work of the electrical equipment 4 is further guaranteed.

When the high-efficiency heat-dissipation electrical equipment dustproof protection box is used, external wind enters the interior of the box 2 through the dustproof net 43 when the fan device 20 works, floating dust exists in the external environment, the external wind can be influenced by the surface of the dustproof net 43 for a long time, the entering of the wind quantity is reduced, the heat dissipation effect of the electrical equipment 4 is influenced, the detachable dustproof net 43 is arranged on the back of the box 2, when the dust on the surface of the dustproof net 43 is more, the detachable dustproof net 43 is cleaned, the passing quantity of the external wind entering the box 2 is ensured, the heat dissipation effect of the electrical equipment 4 is ensured, and the normal work of the electrical equipment 4 is further ensured.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a dustproof guard box of electrical equipment of high-efficient heat dissipation, includes base (1) and fixed mounting at its surface cabinet (2), wherein the inside bottom surface of cabinet (2) fixed mounting has mount (3), the both sides surface of mount (3) fixed mounting has a plurality of electrical equipment parts (4) and heat abstractor (5) respectively, and heat abstractor (5) and electrical equipment parts (4) crisscross interval setting from top to bottom, change groove (6) have all been seted up to the corresponding inner wall of heat abstractor (5), the inside rotation of change groove (6) is connected with rotation axis (8), and two the surface of rotation axis (8) is all fixed mounting has air regulating board (9), the inner wall of heat abstractor (5) has a plurality of through inlet port (10), the surface fixed mounting of heat abstractor (5) have a plurality of intake pipes (11) with heat (10) intercommunication, the surface of two heat abstractor (5) near the bottom of mount (3) is fixed mounting jointly cold inlet port (12), the surface of heat abstractor (12) is equipped with cold and heat abstractor (12) and is connected with cold through-hole (14) that the inside of the conversion is connected with its (13), the surface of conversion frame (14) has offered a plurality of cold wind holes (15) and hot-blast hole (16) respectively, the surface of conversion frame (14) fixed mounting has cold air pipe (17) and hot-blast pipe (18) with cold wind hole (15) and hot-blast hole (16) intercommunication respectively.

2. The dustproof protection box for the electrical equipment with high efficiency heat dissipation according to claim 1, wherein the first rotating shafts (7) are arranged at two ends of the rotating shaft (8), and the rotating shaft (8) is rotatably connected with the rotating groove (6) through the first rotating shafts (7).

3. The dustproof protection box for the electrical equipment with efficient heat dissipation according to claim 1, wherein a fan bracket (19) is fixedly arranged on the inner wall of the cabinet (2), a fan device (20) is fixedly arranged on the surface of the fan bracket (19), air collecting discs (21) communicated with the fan device are fixedly arranged on the surface of the fan device (20), air outlets (22) with the same number as that of the air inlet tubes (11) are formed in the surface of the air collecting discs (21), the air inlet tubes (11) are communicated with the air outlets (22) through air supply tubes, and two heat dissipation devices (5) close to the bottom of the fixing frame (3) are communicated with the air collecting discs (21) through the air inlet tubes (11), the through holes (13), the cold air holes (15), the cold air tubes (17) and the air outlets (22), and one end of each cold air tube (17) is communicated with the air outlets (22).

4. The dustproof protection box for the electrical equipment with efficient heat dissipation according to claim 1, wherein grooves (23) for movement of the cold air pipe (17) and the hot air pipe (18) are formed in the surface of the cold-hot converter (12), mounting plates (24) are arranged between the cold-hot converter (12) and the two heat dissipation devices (5), and the cold-hot converter (12) is fixedly connected with the heat dissipation devices (5) through the mounting plates (24).

5. The dustproof protection box for the electrical equipment with high efficiency heat dissipation as set forth in claim 1, wherein the inner bottom surface of the cold-hot converter (12) is slidably connected with a penetrating guide rod (25), one end of the guide rod (25) is fixedly connected with the conversion frame (14), the other end of the guide rod (25) is fixedly provided with a movable seat (26), and the surface of the guide rod (25) is sleeved with a spring (27) for resetting the guide rod.

6. The dustproof protection box for the electrical equipment with high heat dissipation performance as set forth in claim 5, wherein one end of the spring (27) is fixedly connected with the bottom surface of the cold-hot converter (12), the other end of the spring (27) is fixedly connected with the surface of the movable seat (26), and the movable seat (26) is elastically connected with the cold-hot converter (12) through the spring (27).

7. The dustproof protection box for the electrical equipment with efficient heat dissipation as set forth in claim 6, wherein the surface of the fixing frame (3) is rotatably connected with a second rotating shaft (28), a cam (29) for extruding the movable seat (26) is fixedly arranged on one end surface of the second rotating shaft (28), a motor (30) is fixedly arranged on the surface of the fixing frame (3), and the output end of the motor (30) is fixedly connected with the second rotating shaft (28).

8. The dustproof protection box for the electrical equipment with efficient heat dissipation according to claim 2, wherein one ends of the two first rotating shafts (7) extend to the outside of the heat dissipation device (5), a first gear (31) and a second gear (32) are fixedly installed on one end surface of each of the two first rotating shafts (7), a lifting plate (33) capable of vertically and reciprocally moving up and down is arranged between the first gear (31) and the second gear (32), toothed plates (34) meshed with the first gear (31) and the second gear (32) are fixedly installed on two side surfaces of the lifting plate (33), a telescopic device (35) is fixedly installed on the surface of the box (2), the telescopic end of the telescopic device (35) is fixedly connected with the lifting plate (33), and a plurality of heat dissipation holes (36) are formed in two side surfaces of the box (2).

9. The dustproof protection box for the electrical equipment with high efficiency and heat dissipation according to claim 1, wherein a heater (37) is fixedly arranged on the bottom surface of the box (2), a wind gathering bin (38) communicated with the heater (37) is fixedly arranged on the top surface of the heater (37), a plurality of air outlets (39) communicated with a hot air pipe (18) are formed in the top surface of the wind gathering bin (38), a plurality of through connecting holes (40) are formed in the surface of the base (1), a heat dissipation through groove (42) communicated with the connecting holes (40) is formed in the side surface of the base (1), a fan body (41) used for blowing air to the heater is fixedly arranged on the bottom surface of the heater (37), the heater (37) is mutually matched with the connecting holes (40) through the fan body (41) so as to be communicated with the heat dissipation through groove (42), the fan body (41) is arranged inside the connecting holes (40), and two fans (44) are arranged on the surface of the box (2).

10. A high-efficient radiating electrical equipment dustproof protection box is characterized in that a detachable dustproof net (43) is arranged on the back of the box (2), the dustproof net (43) corresponds to the position of the fan device (20), and the dustproof net (43) is used for dustproof the fan device (20).