CN113035063A

CN113035063A - Outdoor advertising screen that heat dissipation was removed dust

Info

Publication number: CN113035063A
Application number: CN202110221526.2A
Authority: CN
Inventors: 戴惠玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-27
Filing date: 2021-02-27
Publication date: 2021-06-25

Abstract

The invention discloses a heat-dissipation and dust-removal outdoor advertising screen which comprises a box body, wherein a display screen is fixedly arranged on one side of the box body, a heat-conducting plate is connected to one side of the display screen, the heat-conducting plate is welded and fixed on the box body, a plurality of heat-dissipation boxes are welded on the heat-conducting plate, the heat-dissipation boxes are located inside the box body, rotating shafts are connected inside the heat-dissipation boxes, gas pipelines are connected to one sides of the heat-dissipation boxes, the gas pipelines are jointly connected with a box body, the box body is welded and fixed inside the box body, an air blowing pipe is connected to the box body, the air blowing pipe penetrates through the box body, an iron block is glued and fixed to the outer portion of the bottom end of the air blowing pipe, a. Has the advantages that: the rotating shaft is driven to rotate by utilizing the heat emitted by the display screen, and the fan blades are driven to rotate, so that the airflow is blown out through the air blowing pipe, and the heat of the advertisement screen is dissipated.

Description

Outdoor advertising screen that heat dissipation was removed dust

Technical Field

The invention relates to the technical field of outdoor advertising screens, in particular to an outdoor advertising screen capable of dissipating heat and removing dust.

Background

The LED advertisement is a new media advertisement form, and is a perfect combination of a new media technology and an outdoor advertisement publishing form. The LED advertisement is an advertisement word or picture spliced by using light emitting diodes, such as electronic large screen advertisement which is usually seen on the street or highlighted advertisement words and signs with colored light on the roadside, and the LED advertisement is an optimal carrier for outdoor commercial advertisement release by using a large-area display screen formed by dot matrix modules or pixel units formed by the light emitting diodes and combining a plurality of modern high and new technologies such as micro-electronics, optics, information processing and the like.

The outdoor liquid crystal screen of the existing advertising screen is generally used as roadside advertisements, has the characteristic of all-weather work, and can be attached with dust after being used for a long time due to wind power and air quality during outdoor work, so that the watching is influenced.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an outdoor advertising screen with heat dissipation and dust removal functions.

In order to achieve the purpose, the invention adopts the following technical scheme: an outdoor advertisement screen with heat dissipation and dust removal functions comprises a box body, a display screen is fixedly arranged on one side of the box body, one side of the display screen is connected with a heat conducting plate, the heat conducting plate is welded and fixed on the box body, a plurality of heat dissipation boxes are welded and fixed on the heat conducting plate, the heat dissipation box is positioned in the box body, the heat dissipation box is rotatably connected with a rotating shaft, one side of the heat dissipation box is fixedly connected with a gas pipeline, the gas pipelines are connected with a box body together, the box body is welded and fixed in the box body, the box body is connected with a gas blowing pipe, the air blowing pipe penetrates through the box body, an iron block is fixedly glued outside the bottom end of the air blowing pipe, a return spring is fixedly welded on the iron block, the other end of the reset spring is fixedly welded with an electromagnet, the electromagnet is fixedly welded on the box body, and the box body, the box body and the air blowing pipe are jointly connected with a dust removal device.

In foretell outdoor advertising screen who removes dust dispels heat, dust collector is including rotating the axis of rotation of connection in the box body, welded fastening has fan blade on the section that the axis of rotation is located the box body, the axis of rotation runs through the box body, the axis of rotation is located the outside one end coaxial welded fastening of box body and has the driving gear, the driving gear meshing has driven gear, driven gear bottom welded fastening has the ratchet.

In the outdoor advertising screen with the functions of heat dissipation and dust removal, the fan blades are fixedly welded on the rotating shaft, the straight rod is fixedly welded on the rotating shaft, the radiating fin is fixedly welded on the top of the straight rod, the electromagnetic brush piece is fixedly welded in the center of the radiating fin, the thermistor is fixedly connected to one side of the radiating fin, and the thermistor is communicated with the electromagnetic brush piece on the radiating fin adjacent to the radiating fin where the thermistor is located through a lead.

In foretell outdoor advertising screen who removes dust dispels heat, welded fastening has the ring on the box body, the position welded fastening that lies in the ring centre of a circle on the box body has the fixed block, the fixed block welded fastening has the energy storage coil spring, the energy storage coil spring other end welded fastening is inside the ratchet.

In foretell outdoor advertising screen who removes dust dispels heat, the ring internal weld is fixed with the spring, the spring other end weld is fixed with the stopper, the stopper slides in the ring, stopper and ratchet meshing, stopper and ratchet junction fixedly connected with piezoceramics.

In foretell outdoor advertising screen who removes dust dispels heat, the inside sliding connection of gas pipeline has the baffle, baffle and the sealed sliding connection of gas pipeline, baffle bottom welded fastening has buffer spring, buffer spring other end welded fastening is on the gas pipeline inner wall, the fixed trigger switch that is provided with on the gas pipeline inner wall.

Compared with the prior art, the invention has the advantages that:

1. according to the outdoor advertisement screen capable of dissipating heat and removing dust, the rotating shaft is driven to rotate by heat dissipated by the display screen, the fan blades are driven to rotate, and airflow is blown out through the air blowing pipe to dissipate heat of the advertisement screen.

2. According to the outdoor advertising screen with the heat dissipation and dust removal functions, the push plate slides by utilizing the rotation of the driving gear, so that air is sucked, when the energy storage coil spring reaches the limit, energy is released, and gas is rapidly sprayed out of the gas blowing pipe to remove dust of the device.

3. According to the outdoor advertising screen with the heat dissipation and dust removal functions, due to the fact that the heating efficiency of different positions on the advertising screen is different, the temperatures of the advertising screen are different, when the temperature of one place on the display screen is high, the fan blades rotate fast, airflow is increased, the baffle is pushed to slide, the trigger switch is started, the electromagnet is made to have magnetism, the iron block is adsorbed, the air blowing pipe moves, and fixed-point heat dissipation is conducted.

Drawings

Fig. 1 is a schematic structural view of an outdoor advertisement screen for heat dissipation and dust removal according to the present invention;

FIG. 2 is a schematic view of a ratchet device of an outdoor advertisement screen with heat dissipation and dust removal functions according to the present invention;

FIG. 3 is an enlarged view of a portion A of the outdoor advertisement screen for heat dissipation and dust removal according to the present invention;

fig. 4 is a schematic view of a heat dissipation device of an outdoor advertisement screen for heat dissipation and dust removal according to the present invention.

In the figure: the device comprises a box body 1, a display screen 2, a heat conducting plate 3, a heat radiating box 4, a rotating shaft 5, a straight rod 6, a heat radiating fin 7, fan blades 8, a gas pipeline 9, a box body 10, a rotating shaft 11, a driving gear 12, a blowing pipe 13, an electromagnet 14, a return spring 15, an iron block 16, a gas cabin 17, a wheel shaft 18, a straight gear 19, a rack 20, a push plate 21, a gas inlet 22, a ring 23, a spring 24, a limiting block 25, piezoelectric ceramics 26, a fixed block 27, an energy storage coil spring 28, a ratchet 29, a driven gear 30, a baffle 31, a buffer spring 32, a trigger switch 33, a thermistor 34 and an electromagnetic brush 35.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Referring to fig. 1-4, an outdoor advertisement screen with heat dissipation and dust removal comprises a box body 1, a display screen 2 is fixedly arranged on one side of the box body 1, a heat conducting plate 3 is connected on one side of the display screen 2, the heat conducting plate 3 is welded and fixed on the box body 1, a plurality of heat dissipation boxes 4 are welded and fixed on the heat conducting plate 3, the heat dissipation boxes 4 are positioned inside the box body 1, rotating shafts 5 are rotatably connected inside the heat dissipation boxes 4, gas pipelines 9 are fixedly connected on one side of the heat dissipation boxes 4, the gas pipelines 9 are commonly connected with a box body 10, the box body 10 is welded and fixed inside the box body 1, the box body 10 is connected with an air blowing pipe 13, the air blowing pipe 13 penetrates through the box body 1, an iron block 16 is glued and fixed on the outer portion of the bottom end of the air blowing pipe 13, a reset spring 15 is welded and fixed on the iron block 16, the stiffness coefficient of the return spring 15 is low.

The dust removal device comprises a rotating shaft 11 which is rotatably connected in a box body 10, a fan blade 8 is fixedly welded on one section of the rotating shaft 11 positioned in the box body 10, the rotating shaft 11 penetrates through the box body 10, a driving gear 12 is coaxially and fixedly welded at one end of the rotating shaft 11 positioned outside the box body 10, the driving gear 12 is meshed with a driven gear 30, and a ratchet 29 is fixedly welded at the bottom of the driven gear 30.

The fan blades 8 are welded and fixed on the rotating shaft 5, the straight rod 6 is welded and fixed on the rotating shaft 5, the radiating fin 7 is welded and fixed on the top of the straight rod 6, the electromagnetic brush piece 35 is welded and fixed on the central position of the radiating fin 7, the thermistor 34 is fixedly connected on one side of the radiating fin 7, the thermistor 34 is communicated with the electromagnetic brush piece 35 on the radiating fin 7 adjacent to the radiating fin 7 on which the thermistor is positioned through a lead, the advertising screen 2 radiates a large amount of heat in the working process, so that the temperature of the heat conducting plate 3 rises, the heat is conducted to the radiating fin 7 close to the heat conducting plate 3, the temperature of the radiating fin 7 rises, the thermistor 34 is triggered, the current is increased, the adjacent electromagnetic brush piece 35 is started, the electromagnetic brush piece is magnetic and is attracted by the heat conducting plate 3, the radiating fin 7 with higher temperature is rotated away, thereby rotating the rotation shaft 5.

The ring 23 is fixedly welded on the box body 10, the fixing block 27 is fixedly welded at the circle center position of the ring 23 on the box body 10, the energy storage coil spring 28 is fixedly welded on the fixing block 27, the other end of the energy storage coil spring 28 is fixedly welded inside the ratchet wheel 29, the rotating shaft 11 rotates to drive the driving gear 12 to rotate, the driven gear 30 is driven to rotate by meshing, the ratchet wheel 29 is driven to rotate, and the fixing block 27 is fixed, so that the energy storage coil spring 28 contracts and stores energy.

The inside welded fastening of ring 23 has spring 24, spring 24 other end welded fastening has stopper 25, stopper 25 slides in ring 23, stopper 25 and ratchet 29 mesh, stopper 25 and ratchet 29 junction fixedly connected with piezoceramics 26, when energy storage coil spring 28 is unable rotatory, pressure between stopper 25 and the ratchet 29 is too big, make piezoceramics 26 produce the electric current, make spring 24 circular telegram and shrink, make stopper 25 no longer spacing to ratchet 29, make energy storage coil spring 28 energy release, promote push pedal 21 to slide fast, spout gas from gas blow pipe 13 fast, thereby blow away the dust on the display screen 2.

Gas pipeline 9 internal sliding connection has baffle 31, baffle 31 and gas pipeline 9 sealing sliding connection, baffle 31 bottom welded fastening has buffer spring 32, buffer spring 32 other end welded fastening is on gas pipeline 9 inner wall, the fixed trigger switch 33 that is provided with on the gas pipeline 9 inner wall, it is rotatory to drive pivot 5 through the heat that utilizes display screen 2 to give off, it is rotatory to drive fan blade 8, make the air current blow out through gas blow pipe 13, dispel the heat to advertisement screen 2, every trigger switch 33 corresponds different current strength, make electro-magnet 14's magnetic force different, under the effect of spring 15, make the distance of adsorbing iron plate 16 different, thereby control the rotatory angle of gas blow pipe 13.

In the invention, firstly, the advertisement screen 2 emits a large amount of heat in the working process, so that the temperature of the heat conducting plate 3 rises, the heat is conducted to the radiating fins 7 close to the heat conducting plate 3, the temperature of the radiating fins 7 rises, the thermistor 34 is triggered, the current in the circuit is increased, and the electromagnetic brush pieces 35 on the radiating fins 7 adjacent to the radiating fins 7 on which the electromagnetic brush pieces are arranged are started to enable the electromagnetic brush pieces to have magnetism, because the heat conducting plate 3 is made of metal and fixedly arranged, the electromagnetic brush pieces are attracted by the heat conducting plate 3, so that the radiating fins 7 with higher temperature rotate away from the heat conducting plate 3 to radiate heat, and the radiating fins 7 with lower temperature close to the heat conducting plate 3 to absorb heat, the circulation is repeated, so that the rotating shaft 5 rotates to drive the fan blades 8 to rotate, thereby driving the air flow, the air flow enters the, the airflow is slowly and continuously blown out through the air blowing pipe 13 to dissipate heat of the advertising screen 2, meanwhile, the rotation shaft 11 is driven to rotate due to the rotation of the fan blades 8 on the rotation shaft 11, the driving gear 12 is driven to rotate, the driven gear 30 is driven to rotate by meshing, the ratchet 29 is driven to rotate, the energy storage coil spring 28 is contracted due to the fixation of the fixing block 27, energy is stored, the driven gear 30 rotates to drive the wheel shaft 18 to rotate, the bevel gear 19 rotates to drive the rack 20 to move, the push plate 21 moves to suck the gas from the air inlet 22, and the gas cannot be sprayed out through the air inlet 22 due to the one-way valve arranged in the air inlet 22, when the energy storage coil spring 28 cannot rotate and the stored elastic potential energy reaches the limit, the pressure between the limit block 25 and the ratchet 29 is too large, the piezoelectric ceramic 26 is extruded, and the piezoelectric ceramic, so that the spring 24 is electrified and contracted to drive the limiting block 25 to contract, the limiting block 25 is no longer limited to the ratchet 29, the energy storage coil spring 28 is released, the push plate 21 is pushed to slide rapidly, gas is ejected from the gas blowing pipe 13 rapidly, and dust on the display screen 2 is blown away to remove dust.

When the temperature of a certain position of the display screen 2 is higher, the temperature of the heat conducting plate 3 at the corresponding position is enabled to rise faster, more heat is transferred to the corresponding heat dissipation box 4, the rotating shaft 5 is enabled to rotate fast, the gas flow rate is enabled to be accelerated, the baffle 31 is pushed to slide, the trigger switches 33 are started, the electromagnets 14 are started, each trigger switch 33 corresponds to different current intensities, the magnetic force of the electromagnets 14 is enabled to be different, under the action of the spring 15, the distance of the adsorption iron block 16 is enabled to be different, the rotating angle of the blowing pipe 13 is controlled, the position of the corresponding heat dissipation box 4 on the display screen 2 is enabled to be aligned, meanwhile, the gas flow rate is accelerated, the energy storage coil spring 28 is enabled to be charged more rapidly, the limit value is reached rapidly, high-speed gas is sprayed, fixed-point blowing can be performed on the display.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The outdoor advertising screen with the functions of heat dissipation and dust removal comprises a box body (1) and is characterized in that a display screen (2) is fixedly arranged on one side of the box body (1), a heat-conducting plate (3) is connected to one side of the display screen (2), the heat-conducting plate (3) is welded and fixed on the box body (1), a plurality of heat dissipation boxes (4) are welded and fixed on the heat-conducting plate (3), the heat dissipation boxes (4) are located inside the box body (1), a rotating shaft (5) is connected to the inside of each heat dissipation box (4) in a rotating mode, a gas pipeline (9) is fixedly connected to one side of each heat dissipation box (4), the gas pipeline (9) is jointly connected with a box body (10), the box body (10) is welded and fixed inside the box body (1), a blowing pipe (13) is connected to the box body (10), the blowing pipe (13) penetrates through the box body (1, a return spring (15) is welded and fixed on the iron block (16), an electromagnet (14) is welded and fixed at the other end of the return spring (15), the electromagnet (14) is welded and fixed on the box body (1), and the box body (1), the box body (10) and the air blowing pipe (13) are connected with a dust removal device together.

2. The outdoor advertising screen with the function of heat dissipation and dust removal as claimed in claim 1, wherein the dust removal device comprises a rotating shaft (11) rotatably connected in the box body (10), a fan blade (8) is fixedly welded on a section of the rotating shaft (11) located in the box body (10), the rotating shaft (11) penetrates through the box body (10), a driving gear (12) is fixedly welded coaxially at one end of the rotating shaft (11) located outside the box body (10), the driving gear (12) is engaged with a driven gear (30), and a ratchet wheel (29) is fixedly welded at the bottom of the driven gear (30).

3. The outdoor advertising screen with the functions of heat dissipation and dust removal as claimed in claim 1, wherein the fan blades (8) are welded and fixed on the rotating shaft (5), the straight rod (6) is welded and fixed on the rotating shaft (5), the heat dissipation fin (7) is welded and fixed on the top of the straight rod (6), the electromagnetic brush piece (35) is welded and fixed at the center of the heat dissipation fin (7), the thermistor (34) is fixedly connected to one side of the heat dissipation fin (7), and the thermistor (34) is communicated with the electromagnetic brush piece (35) on the heat dissipation fin (7) adjacent to the heat dissipation fin (7) where the thermistor is located through a wire.

4. The outdoor advertising screen with the functions of heat dissipation and dust removal as claimed in claim 2, wherein the box body (10) is fixedly welded with a circular ring (23), a fixed block (27) is fixedly welded at the position of the center of the circular ring (23) on the box body (10), the fixed block (27) is fixedly welded with an energy storage coil spring (28), and the other end of the energy storage coil spring (28) is fixedly welded inside the ratchet wheel (29).

5. The outdoor advertising screen with the functions of heat dissipation and dust removal as claimed in claim 4, wherein a spring (24) is welded and fixed inside the circular ring (23), a limiting block (25) is welded and fixed at the other end of the spring (24), the limiting block (25) slides in the circular ring (23), the limiting block (25) is meshed with the ratchet wheel (29), and a piezoelectric ceramic (26) is fixedly connected at the joint of the limiting block (25) and the ratchet wheel (29).

6. The outdoor advertising screen with the functions of heat dissipation and dust removal as claimed in claim 1, wherein a baffle plate (31) is slidably connected inside the gas pipeline (9), the baffle plate (31) is slidably connected with the gas pipeline (9) in a sealing manner, a buffer spring (32) is fixedly welded at the bottom of the baffle plate (31), the other end of the buffer spring (32) is fixedly welded on the inner wall of the gas pipeline (9), and a trigger switch (33) is fixedly arranged on the inner wall of the gas pipeline (9).