CN113628532A

CN113628532A - Outdoor electronic advertising device capable of automatically radiating

Info

Publication number: CN113628532A
Application number: CN202110936652.6A
Authority: CN
Inventors: 富佳
Original assignee: Guangdong Xingchen Culture Media Co ltd
Current assignee: Guangdong Xingchen Culture Media Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2021-11-09

Abstract

The invention relates to an outdoor electronic advertising device capable of automatically radiating, which comprises a main body, a support, a radiating mechanism and a cover opening mechanism, wherein the main body is arranged on the support, the radiating mechanism is arranged on the main body, the cover opening mechanism is arranged in the support, the radiating mechanism comprises an air cooling component and a radiating component, the cover opening mechanism comprises a cover plate, a pushing component and a linkage component, the outdoor electronic advertising device capable of automatically radiating realizes advertising display through the main body, the radiating of the main body is realized through the radiating mechanism, the cover plate is opened through the cover opening mechanism, the device realizes the online radiating of the main body through linkage, the use of electronic elements such as a temperature sensor is avoided, the stability and the service life of the device are improved, the radiating mechanism enables a cooling zone and the main body to always keep a lower temperature difference, a better heat absorption effect is realized, the cover plate is opened and closed simultaneously through the linkage component, efficiency is improved, and fix a position the apron through the positioning unit, the practicality has been improved.

Description

Outdoor electronic advertising device capable of automatically radiating

Technical Field

The invention relates to an outdoor electronic advertising device capable of automatically radiating heat.

Background

The billboard is an outdoor medium for transmitting advertisement information, is widely applied to places such as streets, shops, doorplanes and the like, and generally has the modes of advertisement printing, advertisement curtains, electronic screens and the like.

Current electronic billboard can produce a large amount of heats when using, and its heat dissipation mechanism of current electronic billboard generally sets up comparatively simply, and its radiating effect is general, under long-time high temperature in service behavior, will reduce life, and current electronic billboard is to heat dissipation mechanism operation simultaneously, generally adopts this kind of electronic component of temperature sensor to realize automatic operation, and stability is not enough, and life is not high.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the outdoor electronic advertising device capable of automatically radiating heat is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: an outdoor electronic advertising device capable of automatically dissipating heat comprises a main body, a support, a heat dissipation mechanism and a cover opening mechanism, wherein the main body is arranged on the support, the heat dissipation mechanism is arranged on the main body, and the cover opening mechanism is arranged in the support;

the heat dissipation mechanism comprises an air cooling assembly and a heat dissipation assembly, the air cooling assembly comprises a motor, a driving shaft and a fan, the motor level is arranged in a support, the driving shaft is mounted on the motor, the fan sleeve is arranged on the driving shaft, the heat dissipation assembly comprises a cooling unit and a transmission unit, the cooling unit comprises a cooling box, a rotating shaft, rollers and a cooling belt, the cooling box is arranged in the support, the rotating shaft is provided with two rotating shafts which are respectively arranged on two sides of a main body, the rollers are respectively arranged on the two rotating shafts in a sleeved mode, the two rollers are respectively connected with the two rotating shaft keys in a connected mode, the two rollers are in transmission connection through the cooling belt, one side of the cooling belt is abutted against the main body, the cooling box is penetrated by one side, far away from the main body, of the cooling belt, the transmission unit comprises a pinion, a gear wheel, a fixed shaft, a first bevel gear, a second bevel gear, a third bevel gear and a fourth gear, The positioning device comprises a second bevel gear, a positioning shaft and two rotating wheels, wherein the pinion is sleeved on the driving shaft and is in key connection with the driving shaft, the fixing shaft is arranged on one side of the driving shaft, the gear wheel is sleeved on the fixing shaft, the gear wheel is in key connection with the fixing shaft, the first bevel gear is sleeved on the fixing shaft, the first bevel gear is in key connection with the fixing shaft, the positioning shaft is arranged on one side of the fixing shaft, the second bevel gear is sleeved on the positioning shaft and is in key connection with the positioning shaft, the second bevel gear is meshed with the first bevel gear, the number of the rotating wheels is two, one rotating wheel is sleeved on the positioning shaft, the other rotating wheel is sleeved on a rotating shaft close to the positioning shaft, the two rotating wheels are in key connection with the positioning shaft and the rotating shaft respectively, and the two rotating wheels are in transmission connection through a belt;

the cover opening mechanism comprises a cover plate, a pushing assembly and a linkage assembly, wherein the support is provided with an opening, the cover plate is arranged at the opening, one end of the cover plate is hinged with the opening, the number of the opening is two, the two openings are respectively arranged at two sides of the support, the number of the cover plate is two, the two cover plates are respectively arranged at the two openings, the pushing assembly comprises a pushing unit, an electrifying unit and a positioning unit, the pushing unit comprises a sleeve and a piston rod, the sleeve is arranged on the main body, one end of the piston rod is positioned in the sleeve, the other end of the piston rod extends out of the sleeve, the piston of the piston rod is in sealed connection with the sleeve, the piston rod is abutted against one of the cover plates, the positioning unit comprises a positioning rod and a spring, the piston rod is provided with a groove, one end of the positioning rod is positioned in the groove, and the other end of the positioning rod extends out of the groove, the utility model discloses a motor, including the locating lever, recess, locating lever and spring, the one end and the groove connection of spring, the locating lever is connected with the locating lever, the intraductal constant head tank that is equipped with of cover, the one end that the locating lever stretches out the recess is located the constant head tank, the locating lever supports with the constant head tank and leans on, the circular telegram unit includes two electric pieces, and one of them electric piece sets up in the constant head tank, and another electric piece sets up on the locating lever, and two electric piece laminating, one of them electric piece are connected with the power electricity, and another electric piece is connected with the motor electricity.

In order to realize the linkage, the linkage subassembly includes spacing axle and linkage unit, spacing axle sets up in the support, the linkage unit has two, and two linkage units correspond the setting with two apron respectively, the linkage unit includes drum and stay cord, the drum cover is established at spacing epaxial, drum and spacing hub connection, the one end and the drum of stay cord are connected, the other end and the cover connection of stay cord, the stay cord is around establishing on the drum.

In order to support the device, the support includes base, branch and casing, the casing passes through branch setting in the base top, the cross-section of casing is isosceles trapezoid, main part and heat dissipation mechanism all set up in the casing.

In order to realize better positioning effect, the positioning units are two, the two positioning units are respectively arranged on two sides of the piston rod, the positioning grooves are two, and the two positioning grooves are respectively arranged on two sides of the sleeve.

In order to enable the positioning rod to move out of the positioning groove, the cross section of the positioning groove is arc-shaped, the cross section of one end, located in the positioning groove, of the positioning rod is arc-shaped, and the circle center of the arc-shaped cross section of the positioning groove coincides with the circle center of the arc-shaped cross section of the positioning rod.

In order to reduce friction, a pulley is arranged at one end of the piston rod, which is positioned outside the sleeve, and the pulley is in rolling connection with the cover plate.

In order to limit the pull rope, a positioning wheel is arranged in the shell and is positioned on one side of the wire coil, and the pull rope bypasses the positioning wheel.

The outdoor electronic advertising device capable of automatically radiating has the advantages that the advertising display is realized through the main body, the heat radiation of the main body is realized through the heat radiation mechanism, the shell is opened through the cover opening mechanism, and a better heat radiation effect is realized, compared with the existing advertising device, the device realizes online heat radiation through the linkage of the cover opening mechanism and the heat radiation mechanism, adopts a pure mechanical structure, avoids the use of electronic elements such as a temperature sensor and the like, improves the stability and the service life of the device, compared with the existing heat radiation mechanism, the mechanism enables the cooling belt and the main body to always keep lower temperature difference through the movement of the cooling belt, thereby realizing better heat absorption and radiation effects, compared with the existing cover opening mechanism, the mechanism realizes the simultaneous opening and closing of two cover plates through the linkage component, improves the efficiency, and positions the cover plates through the positioning unit, the practicability is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of an outdoor electronic advertising device capable of automatically dissipating heat according to the present invention;

FIG. 2 is a schematic view of the connection structure between the air-cooled assembly and the transmission unit of the outdoor electronic advertising device capable of automatically dissipating heat according to the present invention;

FIG. 3 is a schematic structural diagram of a pushing assembly of the outdoor electronic advertising device capable of automatically dissipating heat according to the present invention;

FIG. 4 is a schematic structural diagram of a pushing assembly of the outdoor electronic advertising device capable of automatically dissipating heat according to the present invention;

FIG. 5 is a schematic structural diagram of a linkage assembly of the outdoor electronic advertising device capable of automatically dissipating heat according to the present invention;

in the figure: 1. the main body comprises a motor 2, a driving shaft 3, a fan 4, a cooling box 5, a rotating shaft 6, a roller 7, a cooling belt 8, a pinion 9, a gearwheel 10, a fixed shaft 11, a first bevel gear 12, a second bevel gear 13, a positioning shaft 14, a rotating wheel 15, a cover plate 16, a sleeve 17, a sleeve 18, a piston rod 19, a positioning rod 20, a spring 21, an electric sheet 22, a limiting shaft 22, a wire coil 23, a pull rope 24, a base 25, a support rod 26, a shell 27, a pulley 28 and a positioning wheel 29.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, an outdoor electronic advertising device capable of automatically dissipating heat comprises a main body 1, a support, a heat dissipation mechanism and a cover opening mechanism, wherein the main body 1 is arranged on the support, the heat dissipation mechanism is arranged on the main body 1, and the cover opening mechanism is arranged in the support;

when the device uses, realize the advertisement show through main part 1, realize the heat dissipation of main part 1 through heat dissipation mechanism, open casing 27 through mechanism of uncapping, realize better radiating effect.

As shown in fig. 2, the heat dissipation mechanism comprises an air cooling assembly and a heat dissipation assembly, the air cooling assembly comprises a motor 2, a driving shaft 3 and a fan 4, the motor 2 is horizontally arranged in a bracket, the driving shaft 3 is installed on the motor 2, the fan 4 is sleeved on the driving shaft 3, the heat dissipation assembly comprises a cooling unit and a transmission unit, the cooling unit comprises a cooling box 5, two rotating shafts 6, two rollers 7 and a cooling belt 8, the cooling box 5 is arranged in the bracket, the two rotating shafts 6 are respectively arranged at two sides of the main body 1, the two rollers 7 are respectively sleeved on the two rotating shafts 6, the two rollers 7 are respectively connected with the two rotating shafts 6 in a key manner, the two rollers 7 are in transmission connection through the cooling belt 8, one side of the cooling belt 8 is abutted against the main body 1, and one side of the cooling belt 8 far away from the main body 1 passes through the cooling box 5, the transmission unit comprises a pinion 9, a gearwheel 10, a fixed shaft 11, a first bevel gear 12, a second bevel gear 13, a positioning shaft 14 and a rotating wheel 15, the pinion 9 is sleeved on the driving shaft 3, the pinion 9 is connected with the driving shaft 3 in a key mode, the fixed shaft 11 is arranged on one side of the driving shaft 3, the gearwheel 10 is sleeved on the fixed shaft 11, the gearwheel 10 is connected with the fixed shaft 11 in a key mode, the first bevel gear 12 is sleeved on the fixed shaft 11, the first bevel gear 12 is connected with the fixed shaft 11 in a key mode, the positioning shaft 14 is arranged on one side of the fixed shaft 11, the second bevel gear 13 is sleeved on the positioning shaft 14, the second bevel gear 13 is connected with the positioning shaft 14 in a key mode, the second bevel gear 13 is meshed with the first bevel gear 12, the rotating wheel 15 has two rotating wheels, one rotating wheel 15 is sleeved on the positioning shaft 14, and the other rotating wheel 15 is sleeved on the rotating shaft 6 close to the positioning shaft 14, the two rotating wheels 15 are respectively connected with the positioning shaft 14 and the rotating shaft 6 in a key way, and the two rotating wheels 15 are in transmission connection through a belt;

the main body 1 generates a large amount of heat when running, the heat on the main body 1 is absorbed through the cooling belt 8 to dissipate the heat of the main body 1, the motor 2 is operated, the motor 2 drives the driving shaft 3 to rotate, the driving shaft 3 drives the fan 4 to rotate, so that the heat in the shell 27 is blown out of the shell 27, so that the air flow speed inside and outside the shell 27 is accelerated, thereby improving the heat dissipation efficiency, meanwhile, the driving shaft 3 drives the pinion 9 to rotate, the pinion 9 drives the gearwheel 10 to rotate, the gearwheel 10 drives the fixing shaft 11 to rotate, the fixing shaft 11 drives the first bevel gear 12 to rotate, the first bevel gear 12 drives the second bevel gear 13 to rotate, the second bevel gear 13 drives the positioning shaft 14 to rotate, the positioning shaft 14 drives the runner 15 connected with the positioning shaft to rotate, the runner 15 drives the other runner 15 to rotate through a belt, and the rotating shaft 6 connected with the other runner 15 to rotate, the rotating shaft 6 drives the rollers 7 connected with the rotating shaft to rotate, the two rollers 7 tension the cooling belt 8, under the action of friction force, the cooling belt 8 is driven to move, the cooling belt 8 moves along the main body 1, the cooling belt 8 absorbing heat moves away from the main body 1 and moves into the cooling box 5, cooling liquid is arranged in the cooling box 5, the cooling belt 8 absorbing heat is cooled through the cooling liquid, the cooled cooling belt 8 abuts against the main body 1, heat absorption is carried out on the main body 1 again, a large temperature difference is kept between the cooling belt 8 and the main body 1 all the time, a better heat absorption effect is achieved, the gear wheel 10 rotates for one circle, the pinion 9 rotates for multiple circles, the rotation of the gear wheel 10 is decelerated, the rotation of the transmission unit is decelerated, the rotation of the rotating shaft 6 is decelerated, and the rotation of the rollers 7 is decelerated, thereby the removal to cooling zone 8 slows down, thereby make cooling zone 8 can be abundant absorb the heat in the main part 1, then cooling box 5 cools off when removing, thereby improved the radiating effect, carry out dual heat dissipation to the main part through fan 4 and cooling zone 8, realize better radiating effect, and air-cooled subassembly and radiating component adopt pure mechanical structure's linkage, realized online heat dissipation, and improved the stability and the life of device.

As shown in fig. 3-4, the cover opening mechanism includes a cover plate 16, a pushing assembly and a linkage assembly, the support is provided with two openings, the cover plate 16 is disposed at the opening, one end of the cover plate 16 is hinged to the opening, the two openings are disposed at two sides of the support respectively, the two cover plates 16 are disposed at the two openings respectively, the pushing assembly includes a pushing unit, an energizing unit and a positioning unit, the pushing unit includes a sleeve 17 and a piston rod 18, the sleeve 17 is disposed on the main body 1, one end of the piston rod 18 is disposed in the sleeve 17, the other end of the piston rod 18 extends out of the sleeve 17, a piston of the piston rod 18 is hermetically connected with the sleeve 17, the piston rod 18 abuts against one of the cover plates 16, the positioning unit includes a positioning rod 19 and a spring 20, the piston rod 18 is provided with a groove, one end of locating lever 19 is located the recess, outside the recess was stretched out to the other end of locating lever 19, locating lever 19 and recess sliding connection, spring 20 sets up in the recess, spring 20's one end and groove connection, spring 20's the other end is connected with locating lever 19, be equipped with the constant head tank in the sleeve pipe 17, the one end that locating lever 19 stretches out the recess is located the constant head tank, locating lever 19 supports with the constant head tank and leans on, the circular telegram unit includes two electric pieces 21, and one of them electric piece 21 sets up in the constant head tank, and another electric piece 21 sets up on locating lever 19, and two electric pieces 21 are laminated, and one of them electric piece 21 is connected with the power electricity, and another electric piece 21 is connected with motor 2 electricity.

Here, volatile liquid is disposed in the sleeve 17, in an initial state, the liquid is in a liquefied state, as the main body 1 is stably raised, when the temperature is raised to a certain temperature, the liquid is gasified, so that the air pressure in the sealed cavity formed by the piston rod 18 and the sleeve 17 is increased, so that the air pressure generates an outward thrust on the piston rod 18, the piston rod 18 pushes the cover plate 16 to move, so that the cover plate 16 rotates, so as to open the opening, so that heat in the housing 27 can be discharged through a gap between the cover plate 16 and the opening, thereby increasing the air exchange speed inside and outside the housing 27, and achieving a better heat dissipation effect, where the piston rod 18 moves to drive the positioning rod 19 to move, when the positioning rod 19 moves to the positioning groove, the positioning rod 19 is not blocked, at this time, the spring 20 is in a deformed state, and the restoring force of the spring 20 generates an outward thrust on the positioning rod 19, thereby make locating lever 19 card go into in the constant head tank, thereby lock locating lever 19, thereby lock piston rod 18, thereby lock apron 16, thereby make apron 16 keep the open mode, locating lever 19 removes simultaneously, make electric piece 21 on the locating lever 19 remove, when locating lever 19 removes to in the constant head tank, two electric pieces 21 laminate, thereby make two electric piece 21 electricity connect, thereby supply power to motor 2, thereby realize heat dissipation mechanism's operation, when main part 1 shut down, its temperature reduces, the gas liquefaction once more in the sealed intracavity, thereby make the air pressure in the sealed intracavity reduce, apron 16 will drive piston rod 18 reverse movement under the action of gravity, thereby make apron 16 seal the opening once more.

As shown in fig. 5, in order to realize linkage, the linkage assembly includes a limiting shaft 22 and linkage units, the limiting shaft 22 is arranged in the support, the linkage units are two, the two linkage units are respectively arranged corresponding to the two cover plates 16, the linkage units include a wire coil 23 and a pull rope 24, the wire coil 23 is sleeved on the limiting shaft 22, the wire coil 23 is in key connection with the limiting shaft 22, one end of the pull rope 24 is connected with the wire coil 23, the other end of the pull rope 24 is connected with the cover plate 16, and the pull rope 24 is wound on the wire coil 23.

When one cover plate 16 moves, the pull rope 24 connected with the cover plate is driven to move, the pull rope 24 is released from the wire coil 23 connected with the pull rope, so that the wire coil 23 rotates, the wire coil 23 drives the limiting shaft 22 to rotate, the limiting shaft 22 drives the other wire coil 23 to rotate, so that the pull rope 24 on the wire coil 23 is released, the other cover plate 16 cannot bear the pulling force of the pull rope 24 and rotates downwards under the action of gravity, so that the cover plate 16 at the bottom of the shell 27 is outwards opened, so that the other opening is opened, when the cover plate 16 at the top rotates reversely to close the cover plate 16, the wire coil 23 is a torsion spring wire coil 23, when the cover plate 16 is sealed, the pull rope 24 is released, under the action of the restoring force of the torsion spring, the wire coil 23 rotates reversely, so that the pull rope 24 winds the wire coil 23 again, meanwhile, the limiting shaft 22 rotates reversely, so that the other wire coil 23 rotates reversely, thereby enabling the other pulling rope 24 to wind on the wire coil 23, and enabling the pulling rope 24 to pull the cover plate 16 below to seal the opening, thereby realizing the simultaneous opening and closing of the two cover plates 16 and improving the efficiency.

In order to support the device, the support comprises a base 25, a supporting rod 26 and a shell 27, the shell 27 is arranged above the base 25 through the supporting rod 26, the cross section of the shell 27 is in an isosceles trapezoid shape, and the main body 1 and the heat dissipation mechanism are both arranged in the shell 27.

In order to achieve a better positioning effect, the number of the positioning units is two, the two positioning units are respectively arranged on two sides of the piston rod 18, the number of the positioning grooves is two, and the two positioning grooves are respectively arranged on two sides of the sleeve 17.

In order to enable the positioning rod 19 to move out of the positioning groove, the cross section of the positioning groove is arc-shaped, the cross section of one end, located in the positioning groove, of the positioning rod 19 is arc-shaped, and the circle center of the arc-shaped cross section of the positioning groove coincides with the circle center of the arc-shaped cross section of the positioning rod 19.

In order to reduce friction, the end of the piston rod 18 located outside the sleeve 17 is provided with a pulley 28, and the pulley 28 is in rolling connection with the cover plate 16.

In order to limit the pulling rope 24, a positioning wheel 29 is arranged in the housing 27, the positioning wheel 29 is positioned on one side of the wire coil 23, and the pulling rope 24 bypasses the positioning wheel 29.

When the device is used, a large amount of heat is generated when the main body 1 runs, the heat on the main body 1 is absorbed through the cooling belt 8, the heat dissipation of the main body 1 is realized, volatile liquid is arranged in the sleeve 17, in the initial state, the liquid is in a liquefied state, along with the stable rise of the main body 1, when the temperature is increased to a certain temperature, the liquid is gasified, so that the air pressure in a sealing cavity formed by the piston rod 18 and the sleeve 17 is increased, the air pressure generates outward thrust on the piston rod 18, the piston rod 18 pushes the cover plate 16 to move, so that the cover plate 16 rotates, so that an opening is opened, so that the heat in the shell 27 can be discharged through a gap between the cover plate 16 and the opening, the air exchange speed inside and outside the shell 27 is accelerated, the better heat dissipation effect is realized, wherein the piston rod 18 moves to drive the positioning rod 19 to move, when the positioning rod 19 moves to the positioning groove, the positioning rod 19 is not blocked, at the moment, the spring 20 is in a deformation state, the restoring force of the spring 20 generates outward thrust on the positioning rod 19, so that the positioning rod 19 is clamped into the positioning groove, so that the positioning rod 19 is locked, so that the piston rod 18 is locked, so that the cover plates 16 are kept in an open state, when one cover plate 16 moves, the pull rope 24 connected with the cover plate is driven to move, the pull rope 24 is released from the wire coil 23 connected with the cover plate, so that the wire coil 23 rotates, the wire coil 23 drives the limiting shaft 22 to rotate, the limiting shaft 22 drives the other wire coil 23 to rotate, so that the pull rope 24 on the wire coil 23 is released, the other cover plate 16 cannot receive the pull force of the pull rope 24, and rotates downwards under the action of gravity, so that the cover plate 16 at the bottom of the shell 27 is outwards opened, so that the two cover plates 16 are opened simultaneously, the positioning rod 19 moves simultaneously, the electric sheet 21 on the positioning rod 19 moves, when the positioning rod 19 moves into the positioning groove, the two electric sheets 21 are attached, so that the two electric sheets 21 are electrically connected, power is supplied to the motor 2, the motor 2 drives the driving shaft 3 to rotate, the driving shaft 3 drives the fan 4 to rotate, so that heat in the shell 27 is blown out of the shell 27, so that the air flow speed inside and outside the shell 27 is accelerated, so that the heat dissipation efficiency is improved, meanwhile, the driving shaft 3 rotates to drive the pinion 9 to rotate, the pinion 9 drives the bull gear 10 to rotate, the bull gear 10 drives the fixed shaft 11 to rotate, the fixed shaft 11 drives the first bevel gear 12 to rotate, the first bevel gear 12 drives the second bevel gear 13 to rotate, the second bevel gear 13 drives the positioning shaft 14 to rotate, and the positioning shaft 14 drives the runner 15 connected with the positioning shaft to rotate, the rotating wheel 15 drives another rotating wheel 15 to rotate through a belt, the other rotating wheel 15 drives a rotating shaft 6 connected with the rotating wheel to rotate, the rotating shaft 6 drives rollers 7 connected with the rotating shaft to rotate, the two rollers 7 tension the cooling belt 8, the cooling belt 8 is driven to move under the action of friction force, the cooling belt 8 moves along the main body 1, the cooling belt 8 after absorbing heat is moved away from the main body 1 and moves into the cooling box 5, cooling liquid is arranged in the cooling box 5, the cooling belt 8 after absorbing heat is cooled through the cooling liquid, the cooled cooling belt 8 is abutted against the main body 1, heat absorption is carried out on the main body 1 again, a large temperature difference is kept between the cooling belt 8 and the main body 1 all the time, a better heat absorption effect is achieved, the large gear 10 rotates for one circle, the small gear 9 needs to rotate for multiple circles, and the rotation of the large gear 10 is decelerated, thereby decelerating the rotation of the transmission unit, thereby decelerating the rotation of the rotating shaft 6, thereby decelerating the rotation of the drum 7, thereby decelerating the movement of the cooling belt 8, thereby enabling the cooling belt 8 to sufficiently absorb heat on the main body 1, and then cooling the cooling box 5 during the movement, thereby improving the heat dissipation effect, when the main body 1 stops operating, the temperature thereof is reduced, the gas in the sealing cavity is liquefied again, thereby reducing the air pressure in the sealing cavity, the cover plate 16 drives the piston rod 18 to move reversely under the action of gravity, thereby enabling the cover plate 16 to seal the opening again, wherein the wire coil 23 is a torsion spring wire coil 23, when the cover plate 16 is sealed, the pulling rope 24 is discharged, under the action of the restoring force of the torsion spring, the wire coil 23 reversely rotates, thereby enabling the pulling rope 24 to wind the wire coil 23 again, and simultaneously enabling the limiting shaft 22 to reversely rotate, so that the other wire coil 23 rotates reversely, the other pull rope 24 winds the wire coil 23, the pull rope 24 pulls the cover plate 16 below to seal the opening, the two cover plates 16 are opened and closed simultaneously, and the efficiency is improved.

Compared with the prior art, the outdoor electronic advertising device capable of automatically radiating heat realizes advertising display through the main body 1, realizes heat radiation of the main body 1 through the heat radiation mechanism, opens the shell 27 through the cover opening mechanism, realizes better heat radiation effect, realizes online heat radiation through the linkage of the cover opening mechanism and the heat radiation mechanism, adopts a pure mechanical structure, avoids the use of electronic elements such as a temperature sensor and the like, improves the stability and the service life of the device, and keeps lower temperature difference between the cooling belt 8 and the main body 1 all the time through the movement of the cooling belt 8 compared with the prior heat radiation mechanism, thereby realizing better heat absorption and heat radiation effect, realizes the simultaneous opening and closing of two cover plates 16 through the linkage component, improves the efficiency, and positions the cover plates 16 through the positioning unit, the practicability is improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An outdoor electronic advertising device capable of automatically radiating heat is characterized by comprising a main body (1), a support, a heat radiating mechanism and a cover opening mechanism, wherein the main body (1) is arranged on the support, the heat radiating mechanism is arranged on the main body (1), and the cover opening mechanism is arranged in the support;

the heat dissipation mechanism comprises an air cooling assembly and a heat dissipation assembly, the air cooling assembly comprises a motor (2), a driving shaft (3) and a fan (4), the motor (2) is horizontally arranged in a support, the driving shaft (3) is installed on the motor (2), the fan (4) is sleeved on the driving shaft (3), the heat dissipation assembly comprises a cooling unit and a transmission unit, the cooling unit comprises a cooling box (5), a rotating shaft (6), two rollers (7) and a cooling belt (8), the cooling box (5) is arranged in the support, the rotating shaft (6) is provided with two rotating shafts (6), the two rotating shafts (6) are respectively arranged on two sides of the main body (1), the two rollers (7) are respectively sleeved on the two rotating shafts (6), the two rollers (7) are respectively in key connection with the two rotating shafts (6), and the two rollers (7) are in transmission connection through the cooling belt (8), one side of cooling zone (8) supports with main part (1) and leans on, cooling box (5) is passed to one side that main part (1) was kept away from in cooling zone (8), drive unit includes pinion (9), gear wheel (10), fixed axle (11), first bevel gear (12), second bevel gear (13), location axle (14) and runner (15), pinion (9) cover is established on drive shaft (3), pinion (9) and drive shaft (3) key-type connection, fixed axle (11) set up the one side at drive shaft (3), gear wheel (10) cover is established on fixed axle (11), gear wheel (10) and fixed axle (11) key-type connection, first bevel gear (12) cover is established on fixed axle (11), first bevel gear (12) and fixed axle (11) key-type connection, location axle (14) set up the one side at fixed axle (11), the second bevel gear (13) is sleeved on the positioning shaft (14), the second bevel gear (13) is in key connection with the positioning shaft (14), the second bevel gear (13) is meshed with the first bevel gear (12), two rotating wheels (15) are provided, one rotating wheel (15) is sleeved on the positioning shaft (14), the other rotating wheel (15) is sleeved on the rotating shaft (6) close to the positioning shaft (14), the two rotating wheels (15) are respectively in key connection with the positioning shaft (14) and the rotating shaft (6), and the two rotating wheels (15) are in transmission connection through a belt;

the cover opening mechanism comprises a cover plate (16), a pushing assembly and a linkage assembly, wherein an opening is formed in the support, the cover plate (16) is arranged at the opening, one end of the cover plate (16) is hinged to the opening, the two openings are formed in the two sides of the support respectively, the two cover plates (16) are arranged on the two openings respectively, the pushing assembly comprises a pushing unit, an electrifying unit and a positioning unit, the pushing unit comprises a sleeve (17) and a piston rod (18), the sleeve (17) is arranged on the main body (1), one end of the piston rod (18) is located in the sleeve (17), the other end of the piston rod (18) extends out of the sleeve (17), the piston of the piston rod (18) is connected with the sleeve (17) in a sealing mode, and the piston rod (18) abuts against one of the cover plates (16), the positioning unit comprises a positioning rod (19) and a spring (20), a groove is formed in the piston rod (18), one end of the positioning rod (19) is located in the groove, the other end of the positioning rod (19) extends out of the groove, the positioning rod (19) is in sliding connection with the groove, the spring (20) is arranged in the groove, one end of the spring (20) is connected with the groove, the other end of the spring (20) is connected with the positioning rod (19), a positioning groove is formed in the sleeve (17), one end of the positioning rod (19) extending out of the groove is located in the positioning groove, the positioning rod (19) is abutted against the positioning groove, the power-on unit comprises two electric pieces (21), one electric piece (21) is arranged in the positioning groove, the other electric piece (21) is arranged on the positioning rod (19), the two electric pieces (21) are attached, one electric piece (21) is electrically connected with a power supply, the other electric sheet (21) is electrically connected with the motor (2).

2. The outdoor electronic advertising device capable of automatically dissipating heat according to claim 1, wherein the linkage assembly comprises a limiting shaft (22) and two linkage units, the limiting shaft (22) is arranged in the bracket, the two linkage units are respectively arranged corresponding to the two cover plates (16), the linkage units comprise a wire coil (23) and a pull rope (24), the wire coil (23) is sleeved on the limiting shaft (22), the wire coil (23) is in key connection with the limiting shaft (22), one end of the pull rope (24) is connected with the wire coil (23), the other end of the pull rope (24) is connected with the cover plates (16), and the pull rope (24) is wound on the wire coil (23).

3. An outdoor electronic advertising device capable of automatically dissipating heat according to claim 2, wherein the bracket comprises a base (25), a supporting rod (26) and a housing (27), the housing (27) is disposed above the base (25) through the supporting rod (26), the cross section of the housing (27) is isosceles trapezoid, and the main body (1) and the heat dissipating mechanism are disposed in the housing (27).

4. The outdoor electronic advertising device capable of automatically dissipating heat according to claim 1, wherein there are two positioning units, two positioning units are respectively disposed on both sides of the piston rod (18), and there are two positioning slots, two positioning slots are respectively disposed on both sides of the sleeve (17).

5. The outdoor electronic advertising device capable of automatically dissipating heat as claimed in claim 4, wherein the cross section of the positioning slot is arc-shaped, the cross section of the end of the positioning rod (19) located in the positioning slot is arc-shaped, and the center of the arc-shaped cross section of the positioning slot coincides with the center of the arc-shaped cross section of the positioning rod (19).

6. An outdoor electronic advertising device capable of automatically dissipating heat according to claim 4, wherein a pulley (28) is arranged at one end of the piston rod (18) outside the sleeve (17), and the pulley (28) is in rolling connection with the cover plate (16).

7. An outdoor electronic advertising device capable of automatically dissipating heat according to claim 2, wherein a positioning wheel (29) is arranged in the casing (27), the positioning wheel (29) is positioned at one side of the wire coil (23), and the pull rope (24) bypasses the positioning wheel (29).