CN112638136A

CN112638136A - Outdoor electronic display screen heat dissipation protection equipment is exclusively used in

Info

Publication number: CN112638136A
Application number: CN202110009841.9A
Authority: CN
Inventors: 刘春平
Original assignee: Chengdu Yazhibuyu Electronic Technology Co ltd
Current assignee: Chengdu Yazhibuyu Electronic Technology Co ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-04-09

Abstract

The invention relates to the related field of electronic radiators, in particular to a special heat dissipation protection device for an outdoor electronic display screen, which comprises a box body and a first cavity fixedly arranged in the box body, and the special heat dissipation protection device for the outdoor electronic display screen can utilize a transmission device to move so as to drive fan blades to rotate to dissipate heat of the electronic display screen, can utilize the transmission device to move so as to drive the protection device to move so as to protect the electronic display screen from rain, can utilize a temperature detection device to detect the temperature of the electronic display screen, thereby realizing the driving of a speed regulating gear so as to improve the rotating speed of the fan blades to dissipate heat of the electronic display screen, can utilize the transmission device to move so as to drive an air suction fan to move so as to suck air into a heat dissipation cavity, can utilize a cooling device to move so as to realize the cooling treatment of the sucked air, the electronic display screen is better cooled and protected.

Description

Outdoor electronic display screen heat dissipation protection equipment is exclusively used in

Technical Field

The invention relates to the field of electronic radiators, in particular to a special heat dissipation protection device for an outdoor electronic display screen.

Background

The electronic radiator is a radiating fin for radiating high-power electronic components, has no external power supply and is naturally cooled. Along with the increasing application of electronic products in our lives, electronic radiators for different electronic products are also increasing, but the number of devices for radiating outdoor electronic display screens is small, the existing heat radiation protection for the outdoor electronic display screens is that natural heat radiation cooling is carried out through natural wind, so that the heat radiation efficiency is low, and the protection of the electronic display screens is not facilitated, therefore, a special heat radiation protection device for the outdoor electronic display screens is needed to be arranged to improve the problems.

Disclosure of Invention

The invention aims to provide the special heat dissipation protection equipment for the outdoor electronic display screen, which can overcome the defects in the prior art, thereby improving the practicability of the equipment.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a special heat dissipation protection device for an outdoor electronic display screen, which comprises a box body and a first cavity fixedly arranged in the box body, wherein a driving shaft is rotatably arranged on the right side end wall of the first cavity, the driving shaft is in power connection with a main shaft of a motor, the motor is fixedly arranged on the right side end wall of the first cavity, a first bevel gear is fixedly arranged on the outer surface of the driving shaft, the first bevel gear is in meshing transmission with a second bevel gear, the second bevel gear is fixedly arranged on the outer surface of the lower tail end of a bevel gear shaft, the bevel gear shaft is rotatably arranged on the upper side end wall of the first cavity in a penetrating way, a motion switching cavity is fixedly arranged in the box body on the upper side of the first cavity, and a first transmission device for transmission between the bevel gear shaft and a belt wheel shaft is fixedly arranged on the outer, the belt wheel shaft is installed on the left side end wall of the movement switching cavity in a penetrating and rotating mode, a belt wheel I is fixedly arranged in the box body on the left side of the movement switching cavity, a belt wheel II is fixedly installed on the outer surface of the left side end of the belt wheel shaft, the belt wheel II and the belt wheel I are connected and driven through a transmission belt, the belt wheel I is fixedly installed on the outer surface of the right side end of a rotating shaft I, the rotating shaft I is installed on the left side end wall of the belt wheel cavity I in a penetrating and rotating mode, a protection device used for protecting the surface of an electronic display screen from rain is fixedly installed on the outer surface of the left side end of the rotating shaft I, an installation cavity is fixedly arranged on the left side end wall of the box body, the electronic display screen is fixedly installed on the right side end wall of the installation cavity, the outer surface of the driving shaft in the speed regulation cavity is fixedly provided with a second transmission device for transmission between the driving shaft and a turntable shaft, the turntable shaft is installed on the left end wall of the speed regulation cavity in a penetrating and rotating mode, the outer surface of the tail end of the left side of the turntable shaft in the heat dissipation cavity is fixedly provided with a turntable, the end wall of one side, away from the turntable shaft, of the turntable is fixedly provided with fan blades in an array mode, the outer surface of the driving shaft in the first cavity is fixedly provided with a third transmission device for transmission between the driving shaft and a suction fan installation shaft, the box body at the lower side of the speed regulation cavity is internally and fixedly provided with a bevel gear cavity I, the suction fan installation shaft is installed on the lower end wall of the bevel gear cavity I in a penetrating and rotating mode, the box body at the lower side of the bevel gear cavity I is internally and fixedly provided with a suction cavity, and a cooling device for cooling air is fixedly arranged on the end wall of the suction cavity at the lower side of the suction fan.

Further, the first transmission device comprises the bevel gear shaft, a bidirectional bevel gear is fixedly mounted on the outer surface of the tail end of the upper side of the bevel gear shaft, the bidirectional bevel gear is in meshing transmission with a third bevel gear, the third bevel gear is fixedly mounted on the outer surface of the tail end of the left side of a second rotating shaft, the second rotating shaft is vertically symmetrically arranged on a switching frame in a penetrating and rotating manner, a first gear is fixedly mounted on the outer surface of the tail end of the left side of the second rotating shaft, the switching frame is slidably mounted between the front end wall and the rear end wall of the motion switching cavity, a hydraulic rod is fixedly mounted on the end wall of the upper side of the switching frame, the tail end of the upper side of the hydraulic rod is fixedly connected with a hydraulic cylinder, the hydraulic cylinder is fixedly mounted on the end wall of the upper, the first gear and the second gear are in meshing transmission, and the second gear is fixedly installed on the outer surface of the right end of the pulley shaft.

Further, the protection device comprises the first rotating shaft, a second cavity is fixedly arranged on the upper side end wall of the installation cavity, belt wheel cavities II are symmetrically and fixedly arranged in the box body at the front side and the rear side of the second cavity in a front-back manner, a rotating shaft III is symmetrically and rotatably arranged in the belt wheel cavities II in an up-down manner, a belt wheel III is fixedly arranged on the outer surface of the rotating shaft III in the belt wheel cavities II, the belt wheel III is connected through a second driving belt, a sliding rod is fixedly connected on the second driving belt and is slidably arranged in a sliding chute, the sliding chutes are symmetrically and longitudinally arranged on the front end wall and the rear end wall of the installation cavity, a bevel gear cavity II is fixedly arranged in the box body at the rear side of the second driving belt cavity, a bevel gear IV is fixedly arranged on the outer surface of the left side end of the first rotating shaft in the bevel gear cavity II, the bevel gear five is fixedly installed on the outer surface of the tail end of the rear side of the rotating shaft III on the upper side, a waterproof cloth is installed on the outer surface of the rotating shaft III in the second cavity, and the waterproof cloth is fixedly connected with the sliding rod.

Further, the second transmission device comprises the driving shaft, a sliding sleeve is slidably mounted on the outer surface of the driving shaft in the speed regulation cavity, a third gear is fixedly mounted on the outer surface of the right end of the sliding sleeve, the third gear is in meshing transmission with the fourth gear, the fourth gear is fixedly mounted on the outer surface of the right end of the turntable shaft, a first speed regulation gear is fixedly mounted on the outer surface of the sliding sleeve on the left side of the third gear, the first speed regulation gear is in meshing transmission with the second speed regulation gear, the second speed regulation gear is fixedly mounted on the outer surface of the turntable shaft on the left side of the fourth gear, a first connecting spring is rotatably mounted on the outer surface of the left end of the sliding sleeve, the first connecting spring is slidably mounted on the upper end wall of the speed regulation cavity, and the first connecting spring is connected with the left end wall, the outer surface of the end wall of the left side of the first connecting spring is fixedly connected with a first cord, the end of one side of the first cord, which is far away from the first connecting spring, is fixedly connected with the end wall of the upper side of the push plate, the push plate is slidably mounted between the end walls of the pneumatic cavity, the pneumatic cavity is fixedly arranged on the end wall of the upper side of the heat dissipation cavity at the rear side of the electronic display screen, the push plate is connected with the end wall of the upper side of the pneumatic cavity through a second connecting spring, and the pneumatic cavity at the lower side of the push plate.

Further, the third transmission device comprises the driving shaft, the first bevel gear is fixedly mounted on the outer surface of the driving shaft in the first cavity, the first bevel gear and the sixth bevel gear are in meshing transmission, the sixth bevel gear is rotatably mounted on the outer surface of the tail end of the upper side of the gear shaft, connecting block inserting grooves are fixedly arranged on the outer surface of the tail end of the upper side of the gear shaft in an array manner, connecting blocks are inserted into the connecting block inserting grooves, the connecting blocks are slidably mounted in the connecting block sliding cavities, the connecting block sliding cavities are fixedly arranged in the sixth bevel gear, the connecting blocks are connected with the end walls of the connecting block sliding cavities, which are far away from the connecting block inserting grooves, through connecting springs, the gear shaft is rotatably mounted on the end wall of the lower side of the first cavity in a penetrating, a fifth gear is fixedly arranged on the outer surface of the tail end of the lower side of the gear shaft in the meshing transmission cavity, the fifth gear is in meshing transmission with the meshing groove, a fixed circumferential array of the meshing groove is arranged on the right end wall of the mounting disc, the mounting disc is fixedly arranged on the outer surface of the tail end of the right side of a fourth rotating shaft, the fourth rotating shaft is rotatably arranged on the left end wall of the meshing transmission cavity in a penetrating manner, a seventh bevel gear is fixedly arranged on the outer surface of the tail end of the left side of the fourth rotating shaft in the first bevel gear cavity, the seventh bevel gear is in meshing transmission with an eighth bevel gear, the eighth bevel gear is fixedly arranged on the outer surface of the tail end of the upper side of the suction fan mounting shaft, a tapered groove is arranged on the outer surface of the gear shaft on the lower side of the first cavity, a tapered block is inserted in the tapered groove, the conical block is connected with the right end wall of the conical block sliding cavity through a fourth connecting spring, a cord is fixedly connected to the outer surface of the right end wall of the conical block, and the tail end of one side, far away from the conical block, of the cord is fixedly connected with the outer surface of the tail end of the left side of the first connecting spring.

Furthermore, the cooling device comprises the suction cavity, a cooling pipe is arranged between the end walls of the suction cavity, the cooling pipe is fixedly connected with the right end wall of the water storage cavity, the water storage cavity is fixedly arranged in the box body on the left side of the suction cavity, cooling water is filled in the water storage cavity, a water pump is fixedly arranged on the end wall of the lower side of the water storage cavity, a contact rod is arranged on the left end wall of the water storage cavity in a sliding way and is in contact with the water pump, the outer surface of the right end wall of the contact rod is connected with the left end wall of the water storage cavity through a connecting spring V, the connecting spring five is nested and installed on the outer surface of the contact rod, the outer surface of the left end of the contact rod is fixedly connected with a third cord, and the tail end of one side of the third cord, which is far away from the contact rod, is fixedly connected with the outer surface of the tail end of the upper side of the push plate.

The invention has the beneficial effects that: the utility model provides an outdoor electronic display screen heat dissipation protection equipment is exclusively used in, can utilize the transmission motion, thereby it realizes dispelling the heat to electronic display screen to drive the flabellum rotation, can realize utilizing the transmission motion to drive the protection device motion, thereby carry out rain-proof protection to electronic display screen, can realize utilizing temperature-detecting device to realize that the temperature of electronic display screen detects, thereby realize driving the speed governing gear motion, thereby the rotational speed that improves the flabellum dispels the heat to electronic display screen, can utilize the transmission motion, drive the fan motion of bleeding, make the air by the suction to the heat dissipation chamber in, can realize utilizing the cooling device motion, thereby realize carrying out cooling process to the air by the suction, realize better cooling protection to electronic display screen.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

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

Fig. 1 is a schematic view of the overall structure of a heat dissipation protection device dedicated for an outdoor electronic display screen according to the present invention.

Fig. 2 is a schematic view of the structure a-a in fig. 1.

FIG. 3 is a schematic diagram of B-B in FIG. 1.

Fig. 4 is an enlarged schematic view of C in fig. 1.

Fig. 5 is an enlarged schematic view of D in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

With reference to fig. 1-5, the special heat dissipation protection device for the outdoor electronic display screen includes a case 11 and a first cavity 12 fixedly disposed in the case 11, a driving shaft 92 is rotatably mounted on a right end wall of the first cavity 12, the driving shaft 92 is in power connection with a main shaft of a motor 13, the motor 13 is fixedly mounted on the right end wall of the first cavity 12, a first bevel gear 14 is fixedly mounted on an outer surface of the driving shaft 92, the first bevel gear 14 and a second bevel gear 15 are in meshing transmission, the second bevel gear 15 is fixedly mounted on an outer surface of a lower end of a bevel gear shaft 16, the bevel gear shaft 16 is rotatably mounted on an upper end wall of the first cavity 12 in a penetrating manner, a motion switching cavity 17 is fixedly disposed in the case 11 on an upper side of the first cavity 12, and an outer surface of an upper end of the bevel gear shaft 16 in the motion switching cavity 17 is fixedly mounted on an outer surface of an upper end The first transmission device 100 is used for transmission, the pulley shaft 26 is installed on the left end wall of the movement switching cavity 17 in a penetrating and rotating mode, a first pulley 77 is fixedly arranged in the box body 11 on the left side of the movement switching cavity 17, a second pulley 80 is fixedly installed on the outer surface of the left end of the pulley shaft 26, the second pulley 80 and the first pulley 77 are connected and transmitted through a first transmission belt 79, the first pulley 77 is fixedly installed on the outer surface of the right end of a first rotating shaft 73, the first rotating shaft 73 is installed on the left end wall of the first pulley cavity 78 in a penetrating and rotating mode, a protection device 101 used for rain protection on the surface of the electronic display screen 32 is fixedly installed on the outer surface of the left end of the first rotating shaft 73,

a mounting cavity 31 is fixedly arranged on the end wall of the left side of the box body 11, the electronic display screen 32 is fixedly arranged on the end wall of the right side of the mounting cavity 31, a heat dissipation cavity 40 is fixedly arranged in the box body 11 on the right side of the mounting cavity 31, a speed regulation cavity 66 is arranged on the left side of the first cavity 12 and is isolated from the box body 11, a second transmission device 102 used for transmission between the driving shaft 92 and the turntable shaft 39 is fixedly arranged on the outer surface of the driving shaft 92 in the speed regulation cavity 66, the turntable shaft 39 is rotatably arranged on the end wall of the left side of the speed regulation cavity 66 in a penetrating manner, a turntable 37 is fixedly arranged on the outer surface of the tail end of the left side of the turntable shaft 39 in the heat dissipation cavity 40, fan blades 36 are fixedly arranged on the end wall of one side, far away from the turntable shaft 39, a third transmission device 103 used for transmission between the driving shaft 92 and the suction fan mounting shaft 49 is fixedly arranged, speed governing chamber 66 downside box 11 internal fixation is provided with bevel gear chamber 51, it installs to inhale fan installation axle 49 through rotating on the downside end wall of bevel gear chamber 51, a bevel gear chamber 51 downside box 11 internal fixation is provided with inhales chamber 47, inhale in the chamber 47 the terminal external surface fixed array of downside that inhales fan installation axle 49 installs and inhales fan 48, inhale fan 48 downside fixed mounting has cooling device 104 that is used for air cooling on the end wall of inhaling chamber 47.

Advantageously, the first transmission device 100 includes the bevel gear shaft 16, a bidirectional bevel gear 18 is fixedly mounted on an outer surface of an upper end of the bevel gear shaft 16, the bidirectional bevel gear 18 is in meshing transmission with a bevel gear third 19, the bevel gear third 19 is fixedly mounted on an outer surface of a left end of a rotating shaft second 20, the rotating shaft second 20 is vertically symmetrically and rotatably mounted on a switching frame 21 in a penetrating manner, a gear first 24 is fixedly mounted on an outer surface of a left end of the rotating shaft second 20, the switching frame 21 is slidably mounted between front and rear end walls of the motion switching chamber 17, a hydraulic rod 23 is fixedly mounted on an upper end wall of the switching frame 21, an upper end of the hydraulic rod 23 is fixedly connected with a hydraulic cylinder 22, the hydraulic cylinder 22 is fixedly mounted on an upper end wall of the motion switching chamber 17, and the hydraulic cylinder 22 is activated by, the detection sensor 93 is fixedly installed on the left end wall of the box body 11, the first gear 24 and the second gear 25 are in meshing transmission, and the second gear 25 is fixedly installed on the outer surface of the right end of the pulley shaft 26.

Beneficially, the protection device 101 includes the first rotating shaft 73, a second cavity 27 is fixedly arranged on an upper side end wall of the installation cavity 31, pulley cavities second 70 are symmetrically and longitudinally fixedly arranged in the box 11 on front and back sides of the second cavity 27, a third rotating shaft 69 is symmetrically and rotatably arranged in the pulley cavities second 70, pulley third 68 is fixedly arranged on an outer surface of the third rotating shaft 69 in the pulley cavities second 70, the pulley third 68 is connected through a second driving belt 76, a sliding rod 75 is fixedly connected to the second driving belt 76, the sliding rod 75 is slidably arranged in the sliding groove 30, the sliding groove 30 is symmetrically and longitudinally arranged on front and back end walls of the installation cavity 31, a bevel gear cavity second 74 is fixedly arranged in the box 11 on a back side of the pulley cavity second 70 on the back side, and a bevel gear fourth 72 is fixedly arranged on an outer surface of a left side end of the first rotating shaft 73 in the bevel gear cavity second 74, the bevel gear IV 72 and the bevel gear V71 are in meshing transmission, the bevel gear V71 is fixedly installed on the outer surface of the tail end of the rear side of the rotating shaft III 69 on the upper side, a waterproof cloth 28 is installed on the outer surface of the rotating shaft III 69 in the second cavity 27, and the waterproof cloth 28 is fixedly connected with the sliding rod 75.

Beneficially, the second transmission device 102 includes the driving shaft 92, the outer surface of the driving shaft 92 in the speed regulation cavity 66 is slidably mounted with a sliding sleeve 62, the outer surface of the right end of the sliding sleeve 62 is fixedly mounted with a third gear 63, the third gear 63 is in meshing transmission with a fourth gear 67, the fourth gear 67 is fixedly mounted on the outer surface of the right end of the turntable shaft 39, the outer surface of the sliding sleeve 62 on the left side of the third gear 63 is fixedly mounted with a first speed regulation gear 64, the first speed regulation gear 64 is in meshing transmission with a second speed regulation gear 65, the second speed regulation gear 65 is fixedly mounted on the outer surface of the turntable shaft 39 on the left side of the fourth gear 67, the outer surface of the left end of the sliding sleeve 62 is rotatably mounted with a first connecting spring 61, the first connecting spring 61 is slidably mounted on the upper end wall of the speed regulation cavity 66, and the first connecting spring 61 is connected with the left end wall of, the outer surface of the left end wall of the first connecting spring 61 is fixedly connected with a first cord 60, the end of one side of the first cord 60, which is far away from the first connecting spring 61, is fixedly connected with the upper end wall of the push plate 35, the push plate 35 is slidably mounted between the end walls of the pneumatic cavity 34, the pneumatic cavity 34 is fixedly arranged on the upper end wall of the heat dissipation cavity 40 at the rear side of the electronic display screen 32, the push plate 35 is connected with the upper end wall of the pneumatic cavity 34 through a second connecting spring 58, and the pneumatic cavity 34 at the lower side of the push plate 35 is filled with gas.

Advantageously, the third transmission device 103 comprises the driving shaft 92, the first bevel gear 14 is fixedly mounted on the outer surface of the driving shaft 92 in the first cavity 12, the first bevel gear 14 and the sixth bevel gear 82 are in mesh transmission, the sixth bevel gear 82 is rotatably mounted on the outer surface of the upper end of the gear shaft 81, the outer surface of the upper end of the gear shaft 81 is fixedly provided with a plurality of connecting block inserting grooves 86 in array, the connecting blocks 85 are inserted in the connecting block inserting grooves 86, the connecting blocks 85 are slidably mounted in the connecting block sliding cavities 83, the connecting block sliding cavities 83 are fixedly arranged in the sixth bevel gear 82, the connecting blocks 85 and the end wall of the connecting block sliding cavity 83 far away from the connecting block inserting grooves 86 are connected through a connecting spring three 84, the gear shaft 81 is rotatably mounted on the lower end wall of the first cavity 12, a meshing transmission cavity 56 is fixedly arranged in the box body 11 at the lower side of the first cavity 12, a fifth gear 57 is fixedly arranged on the outer surface of the lower side end of the gear shaft 81 in the meshing transmission cavity 56, the fifth gear 57 and a meshing groove 54 are in meshing transmission, a fixed circumferential array of the meshing groove 54 is arranged on the right side end wall of a mounting disc 55, the mounting disc 55 is fixedly arranged on the outer surface of the right side end of a fourth rotating shaft 53, the fourth rotating shaft 53 is rotatably arranged on the left side end wall of the meshing transmission cavity 56 in a penetrating manner, a seventh bevel gear 52 is fixedly arranged on the outer surface of the left side end of the fourth rotating shaft 53 in the first bevel gear cavity 51, the seventh bevel gear 52 is in meshing transmission with an eighth bevel gear 50, the eighth bevel gear 50 is fixedly arranged on the outer surface of the upper side end of the suction fan mounting shaft 49, and a tapered groove 87 is fixedly arranged, a tapered block 88 is inserted into the tapered groove 87, the tapered block 88 is slidably mounted in a tapered block sliding cavity 90, the tapered block sliding cavity 90 is fixedly arranged in the box body 11 on the right side of the gear shaft 81, the tapered block 88 is connected with the right side end wall of the tapered block sliding cavity 90 through a connecting spring IV 89, a cord 91 is fixedly connected to the outer surface of the right side end wall of the tapered block 88, and the end of the cord 91 on the side far away from the tapered block 88 is fixedly connected with the outer surface of the left side end of the connecting spring I61.

Advantageously, said cooling means 104 comprise said suction chamber 47, between the end walls of said suction chamber 47 cooling tubes 46 are mounted, the cooling pipe 46 is fixedly connected with the right end wall of the water storage cavity 45, the water storage cavity 45 is fixedly arranged in the box body 11 at the left side of the suction cavity 47, the water storage cavity 45 is filled with cooling water, the water pump 43 is fixedly arranged on the lower side end wall of the water storage cavity 45, a contact rod 41 is arranged on the left end wall of the water storage cavity 45 in a sliding mode, the contact rod 41 is in contact with the water pump 43, the outer surface of the right end wall of the contact rod 41 is connected with the left end wall of the water storage cavity 45 through a connecting spring five 42, the connecting spring five 42 is nested on the outer surface of the contact rod 41, the outer surface of the left end of the contact rod 41 is fixedly connected with a third rope 59, the end of the third wire rope 59 far away from the contact rod 41 is fixedly connected with the outer surface of the upper end of the push plate 35.

The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.

In the initial state: the tapered block 88 is inserted into the tapered groove 87, the wire 91 is loosened, the wire three 59 is tightened, the wire one 60 is loosened, and the bevel gear three 19 is disengaged from the bidirectional bevel gear 18.

Sequence of mechanical actions of the whole device:

when the device works, the motor 13 is started, so that the driving shaft 92 is driven to rotate, the sliding sleeve 62 is driven to rotate, the gear three 63 and the gear four 67 are in meshing transmission, so that the turntable shaft 39 is driven to rotate, the turntable 37 is driven to rotate, and the fan blades 36 rotate to dissipate heat generated by the electronic display screen 32.

The driving shaft 92 rotates to drive the bevel gear 14 to rotate, the bevel gear 14 is in meshing transmission with the bevel gear 82, and the gear shaft 81 cannot rotate, so that the connecting block 85 reciprocates in the connecting block sliding cavity 83.

As the heat generated by the electronic display screen 32 increases, the air in the pneumatic cavity 34 expands, so as to push the push plate 35 to move upwards, so that the second connecting spring 58 is compressed, so that the third wire 59 and the first wire 60 are tightened, the third wire 59 is loosened, the fifth connecting spring 42 drives the contact rod 41 to move rightwards to contact with the water pump 43, so that the water pump 43 is started to lead the cooling water in the water storage cavity 45 to the cooling pipe 46, the first wire 60 is tightened, so that the first connecting spring 61 is driven to move leftwards, so that the first wire 60 is compressed, the first connecting spring 61 is driven to move leftwards, so that the sliding sleeve 62 is driven to move leftwards, so that the first speed adjusting gear 64 is driven to move leftwards to be in meshing transmission with the second speed adjusting gear 65, thereby disengaging the gear three 63 from the gear four 67 and moving the connecting spring one 61 to the left, thereby tightening the wire 91, thereby disengaging the tapered block 88 from the tapered slot 87, thereby compressing the connecting spring four 89.

The driving shaft 92 rotates, so that the sliding sleeve 62 rotates, so that the first speed regulating gear 64 rotates, the first speed regulating gear 64 and the second speed regulating gear 65 are in meshing transmission, so that the rotating disc shaft 39 rotates, so that the fan blades 36 rotate, the rotating speed of the fan blades 36 is increased, and the amount of blown air on the surface of the electronic display screen 32 is increased.

The driving shaft 92 rotates, so that the bevel gear 14 rotates, the bevel gear 14 and the bevel gear 82 are in meshing transmission, thereby driving the gear shaft 81 to rotate, thereby causing the gear five 57 to rotate, the gear five 57 and the meshing groove 54 to be in meshing transmission, thereby rotating the mounting plate 55, thereby rotating the fourth rotating shaft 53, thereby leading the bevel gear seven 52 to rotate, the bevel gear seven 52 and the bevel gear eight 50 are in mesh transmission, thereby rotating the suction fan mounting shaft 49, thereby rotating the suction fan 48, so that air is sucked into the heat dissipation chamber 40 through the suction chamber 47 after being cooled by the cooling pipe 46, the fan blades 36 rotate to blow the cooled air to the surface of the electronic display screen 32 for cooling.

When the detection sensor 93 detects rain, a signal is sent to the hydraulic cylinder 22, the hydraulic cylinder 22 is started to drive the hydraulic rod 23 to move downwards, so that the switching frame 21 is pushed to move downwards, the second rotating shaft 20 is driven to move downwards, the third bevel gear 19 is driven to move downwards and to be in meshing transmission with the bidirectional bevel gear 18, and the second rotating shaft 20 moves downwards, so that the first gear 24 is driven to move downwards and to be in meshing transmission with the second gear 25.

The driving shaft 92 rotates to drive the first bevel gear 14 to rotate, the meshing transmission between the first bevel gear 14 and the second bevel gear 15 causes the bevel gear shaft 16 to rotate, the two-way bevel gear 18 rotates, the meshing transmission between the two-way bevel gear 18 and the third bevel gear 19 on the upper side causes the second rotating shaft 20 to rotate, the first gear 24 rotates, the meshing transmission between the first gear 24 and the second gear 25 rotates, the pulley shaft 26 rotates, the pulley second 80 and the pulley first 77 are connected and transmitted through the first transmission belt 79, the first rotating shaft 73 rotates, the fourth bevel gear 72 rotates, the meshing transmission between the fourth bevel gear 72 and the fifth bevel gear 71 rotates, and the third rotating shaft 69 rotates, so that the third pulley 68 rotates to drive the second transmission belt 76 to move, so that the slide bar 75 moves downwards, and the waterproof cloth 28 moves downwards to protect the electronic display screen 32 from rain.

When the rain stops, the detection sensor 93 sends a signal to enable the hydraulic cylinder 22 to be started, so as to drive the hydraulic rod 23 to move upwards, so as to enable the switching frame 21 to move upwards, the switching frame 21 moves upwards, so as to drive the second rotating shaft 20 on the upper side to move upwards, so as to drive the second rotating shaft 20 on the lower side to move upwards, so as to enable the bevel gear three 19 on the lower side to be in meshing transmission with the bidirectional bevel gear 18, the bevel gear shaft 16 rotates, so as to drive the bidirectional bevel gear 18 to rotate, the bidirectional bevel gear 18 is in meshing transmission with the bevel gear three 19 on the lower side, so as to drive the second rotating shaft 20 to rotate, so as to enable the first gear 24 to rotate, the first gear 24 is in meshing transmission with the second gear 25, so as to enable the pulley shaft 26 to rotate, so as to drive the second pulley, the second belt wheel 80 and the first belt wheel 77 are in transmission connection through the first transmission belt 79, so that the first rotating shaft 73 is driven to rotate, the fourth bevel gear 72 and the fifth bevel gear 71 are in meshing transmission, the third rotating shaft 69 is driven to rotate, the third belt wheel 68 is driven to rotate, the second transmission belt 76 is driven to move, the sliding rod 75 is driven to move upwards, the rainproof cloth 28 moves upwards and resets, and after the rainproof cloth 28 resets, the detection sensor 93 sends a signal to the hydraulic cylinder 22, so that the switching frame 21 is driven to reset.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an outdoor electronic display screen heat dissipation protection equipment is exclusively used in, including the box and the box internal fixation is provided with first cavity, its characterized in that: a driving shaft is rotatably mounted on the right side end wall of the first cavity, the driving shaft is in power connection with a main shaft of a motor, the motor is fixedly mounted on the right side end wall of the first cavity, a first bevel gear is fixedly mounted on the outer surface of the driving shaft, the first bevel gear and a second bevel gear are in meshing transmission, the second bevel gear is fixedly mounted on the outer surface of the tail end of the lower side of a bevel gear shaft, the bevel gear shaft is rotatably mounted on the upper side end wall of the first cavity in a penetrating manner, a movement switching cavity is fixedly arranged in the box body on the upper side of the first cavity, a first transmission device for transmission between the bevel gear shaft and a pulley shaft is fixedly mounted on the outer surface of the tail end of the upper side of the bevel gear shaft in the movement switching cavity, the pulley shaft is rotatably mounted on the left side end wall of the movement, a belt wheel II is fixedly arranged on the outer surface of the left end of the belt wheel shaft, the belt wheel II is in transmission connection with a belt wheel I through a transmission belt, the belt wheel I is fixedly arranged on the outer surface of the right end of a rotating shaft I, the rotating shaft I penetrates through and is rotatably arranged on the left end wall of a belt wheel cavity I, a protection device for protecting the surface of an electronic display screen against rain is fixedly arranged on the outer surface of the left end of the rotating shaft I, an installation cavity is fixedly arranged on the left end wall of the box body, the electronic display screen is fixedly arranged on the right end wall of the installation cavity, a heat dissipation cavity is fixedly arranged in the box body on the right side of the installation cavity, a speed regulation cavity is arranged in the box body on the left side of the first cavity, and a second transmission device for transmission between the driving shaft and the, the rotating disc shaft penetrates through and is rotatably arranged on the left end wall of the speed regulating cavity, the outer surface of the left tail end of the rotating disc shaft in the heat dissipation cavity is fixedly provided with a rotating disc, the end wall of one side of the turntable, which is far away from the turntable shaft, is fixedly provided with fan blades in an array way, the outer surface of the driving shaft in the first cavity is fixedly provided with a third transmission device used for transmission between the driving shaft and the suction fan mounting shaft, a first bevel gear cavity is fixedly arranged in the box body at the lower side of the speed regulating cavity, the suction fan mounting shaft is penetratingly and rotatably arranged on the end wall at the lower side of the first bevel gear cavity, a suction cavity is fixedly arranged in the box body at the lower side of the bevel gear cavity, suction fans are fixedly arranged on the outer surface of the tail end at the lower side of the suction fan mounting shaft in the suction cavity in an array manner, and a cooling device for cooling air is fixedly arranged on the end wall of the suction cavity at the lower side of the suction fan.

2. The heat dissipation protection device special for the outdoor electronic display screen as claimed in claim 1, wherein: the first transmission device comprises the bevel gear shaft, a bidirectional bevel gear is fixedly mounted on the outer surface of the tail end of the upper side of the bevel gear shaft, the bidirectional bevel gear is in meshing transmission with a third bevel gear, the third bevel gear is fixedly mounted on the outer surface of the tail end of the left side of a second rotating shaft, the second rotating shaft is vertically and symmetrically arranged on a switching frame in a penetrating and rotating manner, a first gear is fixedly mounted on the outer surface of the tail end of the left side of the second rotating shaft, the switching frame is slidably mounted between the front end wall and the rear end wall of the motion switching cavity, a hydraulic rod is fixedly mounted on the end wall of the upper side of the switching frame, the tail end of the upper side of the hydraulic rod is fixedly connected with a hydraulic cylinder, the hydraulic cylinder is fixedly mounted on the end wall of the upper side of the motion switching cavity, the second gear is fixedly arranged on the outer surface of the tail end of the right side of the pulley shaft.

3. The heat dissipation protection device special for the outdoor electronic display screen as claimed in claim 1, wherein: the protection device comprises the first rotating shaft, a second cavity is fixedly arranged on the upper side end wall of the installation cavity, belt wheel cavities II are symmetrically and fixedly arranged in the box body at the front side and the rear side of the second cavity in a front-back manner, a rotating shaft III is symmetrically and rotatably arranged in the belt wheel cavities II in an up-down manner, belt wheels III are fixedly arranged on the outer surface of the rotating shaft III in the belt wheel cavities II, the belt wheels III are connected through a transmission belt II, a sliding rod is fixedly connected to the transmission belt II, the sliding rod is slidably arranged in a sliding chute, the sliding chute is symmetrically arranged on the front end wall and the rear end wall of the installation cavity in a front-back manner, a bevel gear cavity II is fixedly arranged in the box body at the rear side of the belt wheel cavities II at the rear side, a bevel gear IV is fixedly arranged on the outer surface of the left side end of the rotating shaft I in the bevel gear cavity II, the bevel gear IV, and a waterproof cloth is arranged on the outer surface of the third rotating shaft in the second cavity, and the waterproof cloth is fixedly connected with the sliding rods.

4. The heat dissipation protection device special for the outdoor electronic display screen as claimed in claim 1, wherein: the second transmission device comprises the driving shaft, a sliding sleeve is slidably mounted on the outer surface of the driving shaft in the speed regulation cavity, a third gear is fixedly mounted on the outer surface of the right end of the sliding sleeve, the third gear is in meshing transmission with a fourth gear, the fourth gear is fixedly mounted on the outer surface of the right end of the turntable shaft, a first speed regulation gear is fixedly mounted on the outer surface of the sliding sleeve on the left side of the third gear, the first speed regulation gear is in meshing transmission with a second speed regulation gear, the second speed regulation gear is fixedly mounted on the outer surface of the turntable shaft on the left side of the fourth gear, a first connecting spring is rotatably mounted on the outer surface of the left end of the sliding sleeve, the first connecting spring is slidably mounted on the upper end wall of the speed regulation cavity, the first connecting spring is connected with the left end wall of the speed regulation cavity through a return spring, and, the first wire rope is far away from the end of one side of the connecting spring and fixedly connected with the upper side end wall of the push plate, the push plate is slidably mounted between the end walls of the pneumatic cavity, the pneumatic cavity is fixedly arranged on the upper side end wall of the heat dissipation cavity on the rear side of the electronic display screen, the push plate is connected with the upper side end wall of the pneumatic cavity through a second connecting spring, and gas is filled in the pneumatic cavity on the lower side of the push plate.

5. The heat dissipation protection device special for the outdoor electronic display screen as claimed in claim 1, wherein: the third transmission device comprises the driving shaft, the first bevel gear is fixedly arranged on the outer surface of the driving shaft in the first cavity, the first bevel gear and the sixth bevel gear are in meshing transmission, the sixth bevel gear is rotatably arranged on the outer surface of the tail end of the upper side of the gear shaft, a connecting block inserting groove is fixedly arranged on the outer surface of the tail end of the upper side of the gear shaft in an array mode, a connecting block is inserted into the connecting block inserting groove, the connecting block is slidably arranged in the connecting block sliding cavity, the connecting block sliding cavity is fixedly arranged in the sixth bevel gear, the connecting block is connected with the end wall, far away from the connecting block inserting groove, of the connecting block sliding cavity through a third connecting spring, the gear shaft is rotatably arranged on the end wall of the lower side of the first, a fifth gear is fixedly arranged on the outer surface of the tail end of the lower side of the gear shaft in the meshing transmission cavity, the fifth gear is in meshing transmission with the meshing groove, a fixed circumferential array of the meshing groove is arranged on the right end wall of the mounting disc, the mounting disc is fixedly arranged on the outer surface of the tail end of the right side of a fourth rotating shaft, the fourth rotating shaft is rotatably arranged on the left end wall of the meshing transmission cavity in a penetrating manner, a seventh bevel gear is fixedly arranged on the outer surface of the tail end of the left side of the fourth rotating shaft in the first bevel gear cavity, the seventh bevel gear is in meshing transmission with an eighth bevel gear, the eighth bevel gear is fixedly arranged on the outer surface of the tail end of the upper side of the suction fan mounting shaft, a tapered groove is arranged on the outer surface of the gear shaft on the lower side of the first cavity, a tapered block is inserted in the tapered groove, the conical block is connected with the right end wall of the conical block sliding cavity through a fourth connecting spring, a cord is fixedly connected to the outer surface of the right end wall of the conical block, and the tail end of one side, far away from the conical block, of the cord is fixedly connected with the outer surface of the tail end of the left side of the first connecting spring.

6. The heat dissipation protection device special for the outdoor electronic display screen as claimed in claim 1, wherein: the cooling device comprises a suction cavity, a cooling pipe is installed between the end walls of the suction cavity, the cooling pipe is fixedly connected with the right end wall of a water storage cavity, the water storage cavity is fixedly arranged on the left side of the suction cavity and is arranged in the box body, cooling water is filled in the water storage cavity, a water pump is fixedly installed on the lower end wall of the water storage cavity, a contact rod is slidably installed on the left end wall of the water storage cavity, the contact rod is in contact with the water pump, the outer surface of the right end wall of the contact rod is connected with the left end wall of the water storage cavity through a connecting spring, the connecting spring is embedded into the outer surface of the contact rod, the outer surface of the left end of the contact rod is fixedly connected with a third cotton rope, and the third cotton rope is far away from the end of one side of the contact rod.