CN116030727B - Spliced LED display screen with protection mechanism - Google Patents
Spliced LED display screen with protection mechanism Download PDFInfo
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- CN116030727B CN116030727B CN202211706732.3A CN202211706732A CN116030727B CN 116030727 B CN116030727 B CN 116030727B CN 202211706732 A CN202211706732 A CN 202211706732A CN 116030727 B CN116030727 B CN 116030727B
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- way valve
- air bag
- led display
- display screen
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Abstract
The utility model discloses a spliced LED display screen with a protection mechanism, which comprises an LED display part, wherein the LED display part consists of a spliced screen and a protection frame, and the spliced screen is fixedly connected inside the protection frame; the protection buffer part consists of an air bag and a hollow shaft, the air bag is wound on the hollow shaft, and the ventilation end of the air bag is communicated with the cavity of the hollow shaft; the counterweight guide part is arranged at the other end of the air bag and is used for avoiding the position of the air bag from deviating due to wind blowing; the guide bracket is arranged at the front end of the protective frame; an air path switching part; waterproof convex edge; and a main controller. According to the utility model, the hollow shaft and the driving assembly are arranged to realize the retraction of the air bag, the counterweight guiding part is matched, the directivity of the retraction process of the air bag can be improved, the air bag can be automatically inflated and deflated by being matched with the air path switching part, the screen of the LED display screen is protected by utilizing the air bag filled with air, dust, blades and the like can be prevented from being attached to the screen, and the damage of objects such as stones and the like to the screen can be prevented.
Description
Technical Field
The utility model relates to the field of LED display screens, in particular to a spliced LED display screen with a protection mechanism.
Background
The LED display screen is a flat-panel display and consists of a plurality of small LED module panels, and is widely applied due to the characteristics of energy conservation, environmental protection and long service life, wherein the spliced LED display screen can be spliced into a large screen through a plurality of small LED display screens.
The utility model patent of present patent application number 202120182941.7 discloses a LED display screen of concatenation formula installation, including supporting the base, remove gyro wheel, braking vane, lift hydraulic stem, connecting rod supporting disk, support connecting rod, connection backup pad, connecting bolt hole, support connecting block, display screen support and splice display screen subassembly, it locates on the support base to remove the gyro wheel, the braking vane is located on the removal gyro wheel, splice display screen subassembly includes display screen body, splice groove, locking buckle, buckle connecting block and connecting block recess. The problem that the current spliced LED display screen is inconvenient to install and detach and inconvenient to adjust the height of the LED display screen according to requirements is solved, the purpose that the spliced LED display screen is convenient to install and detach and the height of the LED display screen is convenient to adjust according to requirements is achieved, but the spliced LED display screen cannot effectively protect the screen of the display screen when encountering strong wind or typhoon and other weather during outdoor use, so that the screen of the display screen is possibly impacted by wind-rolled sand stone and the like, and the display screen is damaged.
Therefore, it is necessary to invent a spliced LED display screen with a protection mechanism to solve the above problems.
Disclosure of Invention
The utility model aims to provide a spliced LED display screen with a protection mechanism, which is characterized in that a hollow shaft and a driving assembly are arranged to realize the retraction of an air bag, a counterweight guide part is matched, the directivity of the retraction process of the air bag can be improved, an air path switching part is matched, the air bag can be automatically inflated and deflated, the screen of the LED display screen is protected by the inflated air bag, dust, blades and the like can be prevented from being attached to the screen, and objects such as stones and the like can be prevented from damaging the screen, so that the defects in the prior art are overcome.
In order to achieve the above object, the present utility model provides the following technical solutions: the spliced LED display screen with the protection mechanism comprises an LED display part, wherein the LED display part consists of a spliced screen and a protection frame, and the spliced screen is fixedly connected inside the protection frame;
the protection buffer part consists of an air bag and a hollow shaft, the air bag is wound on the hollow shaft, and the ventilation end of the air bag is communicated with the cavity of the hollow shaft;
the counterweight guide part is arranged at the other end of the air bag and is used for avoiding the position of the air bag from deviating due to wind blowing;
the guide bracket is arranged at the front end of the protective frame and used for guiding the counterweight guide part;
the air channel switching part is arranged inside the rectangular coaming and consists of an air pump and an air pipeline, and the air pump is used for inflating and deflating the air bag;
the waterproof convex edge consists of a rectangular coaming and a sealing cover plate, is fixedly connected to the tops of the protection frame and the guide bracket, and the protection buffer part and the air path switching part are both arranged in the rectangular coaming;
and the main controller is arranged inside the rectangular coaming and is electrically connected with the air pump through a wire.
As a preferred embodiment of the present utility model, the protection buffer further includes:
the driving assembly consists of an unreeling motor, a driving wheel and a driven wheel, wherein the driving wheel is sleeved and fixed at one end of an output shaft of the unreeling motor, the driving wheel is in transmission connection with the driven wheel through a transmission belt, one end of the hollow shaft is fixedly connected with a rotating block, one end of the rotating block penetrates through the rectangular coaming, a bearing is arranged at the joint of the rotating block and the rectangular coaming, and the driven wheel is sleeved and fixed on the rotating block;
the other end of the hollow shaft is fixed with a sealing disc, and a rotary joint is arranged at the air vent of the center of the sealing disc.
As a preferred scheme of the utility model, the ventilation pipeline comprises a first three-way valve, a second three-way valve and a third three-way valve, wherein the first three-way valve, the second three-way valve and the third three-way valve are all electrically connected with the main controller, the air outlet end of the first three-way valve is connected with the air inlet of the air pump through an air duct, one air outlet end of the first three-way valve is provided with an air filter, and the other air inlet end of the first three-way valve is connected with one ventilation end of the third three-way valve through an air duct;
the air inlet end of the second three-way valve is connected with the air outlet of the air pump, one air outlet end of the second three-way valve is connected with the air inlet end of the third three-way valve, and the other air outlet end of the third three-way valve is connected with the rotary joint.
As a preferred embodiment of the present utility model, the gas path switching unit further includes:
the air outlet end of the air storage tank is connected with the air outlet valve after being connected with the pressure gauge, the air inlet end of the air storage tank is connected with the other air outlet end of the second three-way valve through a pipeline, and the pressure gauge and the air outlet valve are electrically connected with the main controller;
the air expansion nozzle is opposite to the unreeling motor, and one end of the air expansion nozzle is connected with an air outlet of the air outlet valve and is used for radiating heat of the unreeling motor.
As a preferred embodiment of the present utility model, the guide bracket includes:
the bearing plate is fixed at the bottom of the rectangular coaming and is arranged in front of the protective frame, two mounting notches are symmetrically arranged at one end of the bearing plate, threaded blind holes are formed in one side of the mounting notches in a communicated mode, a T-shaped through groove capable of accommodating the counterweight guide part is formed in the bearing plate, an air bag can penetrate through the T-shaped through groove, and the unreeling motor and the air pump are both fixed at the top of the bearing plate;
the two support vertical rods are respectively fixed on two sides of the bearing plate through threaded connection of bolts and threaded blind holes;
the permanent magnet is embedded at the bottom of the bearing plate and is arranged at one side of the T-shaped through groove and used for stabilizing the counterweight guide part;
the two guide rods are arranged face to face and are respectively fixedly connected to one side of the supporting upright rod;
the limiting cross rod is fixedly connected to the bottoms of the two guide rods and provided with a through groove.
As a preferred embodiment of the present utility model, the weight guide part includes:
the counterweight rod is fixedly connected to the other end of the air bag, is an iron rod and can be in ferromagnetic attraction fit with the permanent magnet, the two ends of the counterweight rod are provided with sliding grooves which are used for being in sliding fit with the guide rods, one side of the counterweight rod is further provided with a front mounting bin, the other side of the counterweight rod is further provided with a rear mounting bin, and one side of the rear mounting bin is communicated with a threading hole;
the mounting plate is fixed in the front mounting bin and provided with a strip-shaped through hole;
the upper end of the balancing weight is provided with a through groove which is used for being in sliding fit with the mounting plate, and both sides of the through groove are provided with threaded through holes;
the fastening bolt is connected with the threaded through hole in a threaded manner and used for fixing the balancing weight on the mounting plate;
and the cleaning strip is arranged in the rear installation bin, one side of the cleaning strip is rotationally connected with a connecting rope which can pass through the threading hole, and the cleaning strip is tied on the counterweight rod through the connecting rope.
As an optimal scheme of the utility model, the top of the sealing cover plate is provided with a wind speed sensor, the wind speed sensor is electrically connected with the main controller through a wire, and the wind speed sensor is used for detecting wind speed.
As a preferable scheme of the utility model, the main controller is electrically connected with the motor controller through a wire and performs data interaction, the motor controller is arranged on one side of the unreeling motor, the motor controller is electrically connected with the unreeling motor, and the motor controller is used for controlling the unreeling motor.
As a preferable scheme of the utility model, the upper end of the rectangular coaming is provided with a mounting groove capable of accommodating the sealing cover plate, and the mounting groove is used for mounting the sealing cover plate.
In the technical scheme, the utility model has the technical effects and advantages that:
1. through setting up hollow shaft and drive assembly, realize the receive and release of gasbag, cooperate with the counter weight guide part, can improve the directionality of gasbag receive and release process, cooperate with the gas circuit switching part again, can fill gassing to the gasbag automatically, utilize the gasbag that is full of gas to protect the screen of LED display screen, not only can avoid dust, blade etc. to adhere to on the screen, can also prevent objects such as stone from causing the damage to the screen;
2. when the hollow shaft expands the air bag, the directivity of the air bag during retraction and release can be improved through the influence of the dead weight of the counterweight rod and the counterweight block, under the influence of wind force, the air bag can not be blown up by wind, so that the air bag can stably cover the screen of the LED display screen, the cleaning strip is driven to fall together when the counterweight rod falls, the screen of the LED display screen can be cleaned through the cleaning strip, and the cleaning strip is fixed through the connecting rope, so that the cleaning strip can be taken down by unlocking the connecting rope, the disassembly is convenient, thereby being convenient for workers to replace the cleaning strip, being beneficial to cleaning the cleaning strip, and the air bag can be expanded when the cleaning strip is not in typhoon or other weather, so that the cleaning strip can be moved to clean the screen of the LED display screen;
3. the air pump, the first three-way valve, the second three-way valve and the third three-way valve are arranged, so that the air bag can be inflated, and then the air storage tank, the pressure gauge and the air outlet valve are matched, so that the air exhausted by the air bag can be stored, the pressure in the air storage tank can be monitored, the problem of explosion caused by overlarge pressure can be avoided, and when the unreeling motor works, the air outlet valve is opened, so that the air in the air storage tank is diffused through the air expansion nozzle and then blown to the unreeling motor, and the heat dissipation of the unreeling motor can be accelerated;
4. through waterproof protruding edge and the guide support that sets up, not only can be used as parts such as installation wind speed sensor, can also play rain-proof effect, reduce the inside probability of rainwater invasion LED display screen.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a first perspective view of the air bag of the present utility model in a stowed condition;
FIG. 2 is a first perspective view of the airbag deployment of the present utility model;
FIG. 3 is a second perspective view of the present utility model (with the sealing cover plate omitted);
FIG. 4 is an enlarged view of the utility model at A in FIG. 3;
fig. 5 is a third perspective view of the present utility model (with the sealing cover plate omitted);
FIG. 6 is an enlarged view of the utility model at B in FIG. 5;
FIG. 7 is a connection diagram of a hollow shaft and a drive assembly of the present utility model;
FIG. 8 is an exploded view of the weight guide of the present utility model;
FIG. 9 is a first perspective view of a weight rod of the present utility model;
FIG. 10 is a second perspective view of a weight rod of the present utility model;
FIG. 11 is a perspective view of a guide bracket of the present utility model;
FIG. 12 is a perspective view of a carrier plate of the present utility model;
FIG. 13 is a perspective cutaway view of a carrier plate of the present utility model;
fig. 14 is a schematic block diagram of the circuit of the present utility model.
Reference numerals illustrate:
1. an LED display unit; 11. splicing the screens; 12. a protective frame; 2. waterproof convex edge; 21. a mounting groove; 22. sealing the cover plate; 3. a wind speed sensor; 4. a main controller;
5. an air path switching part; 51. an air pump; 52. a gas storage tank; 53. a first three-way valve; 54. a second three-way valve; 55. a third three-way valve; 56. a pressure gauge; 57. an air outlet valve; 58. an air expansion nozzle;
6. a guide bracket; 61. a carrying plate; 611. t-shaped through grooves; 612. a mounting notch; 613. a threaded blind hole; 62. a guide rod; 63. a limiting cross bar; 631. a through groove; 64. supporting the upright rod; 65. a permanent magnet;
7. a counterweight guide section; 71. a weight bar; 711. a sliding groove; 712. a threading hole; 713. a front mounting bin; 714. a rear mounting bin; 715. a mounting plate; 7151. a bar-shaped through hole; 72. a cleaning bar; 721. a connecting rope; 73. balancing weight; 731. a threaded through hole; 732. a through groove; 74. a fastening bolt;
8. a protective buffer part; 81. an air bag; 82. unreeling the motor; 83. a driving wheel; 84. driven wheel; 85. a hollow shaft; 851. a rotating block; 852. a sealing plate; 86. a rotary joint;
9. an air filter.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The utility model provides a spliced LED display screen with a protection mechanism as shown in figures 1-14, which comprises an LED display part 1, wherein the LED display part consists of spliced screens 11 and protection frames 12, the spliced screens 11 are fixedly connected inside the protection frames 12, a plurality of spliced screens 11 are arranged, the spliced screens 11 are connected together by using leads according to actual needs, and the arranged protection frames 12 are used for protecting the spliced screens 11 and are required to be subjected to waterproof treatment.
Because the screen of LED display screen needs to be protected, avoid the screen of LED display screen to receive the damage in bad weather such as typhoon, consequently, as shown in figure 3, 5, 7, in this embodiment, protection buffer portion 8, by gasbag 81 and hollow shaft 85 are constituteed, gasbag 81 is around locating on hollow shaft 85, and the ventilation end of gasbag 81 is linked together with hollow cavity of hollow shaft 85, protection buffer portion 8 still includes drive assembly, drive assembly comprises unwinding motor 82, action wheel 83 and follow driving wheel 84, action wheel 83 cup joints the one end of being fixed in the output shaft of unwinding motor 82, action wheel 83 passes through the drive belt and is connected with follow driving wheel 84 transmission, and the one end rigid coupling of hollow shaft 85 has rotating block 851, the one end of rotating block 851 runs through the rectangle bounding wall, the junction of rotating block 851 and rectangle bounding wall is equipped with the bearing, and follow driving wheel 84 cup joints and be fixed in on rotating block 851, the other end of hollow shaft 85 is fixed with sealing disk 852, the phenomenon that the line appears the wire winding is installed to the ventilation opening 86 at sealing disk 852 center, start unwinding motor 82, it makes use of the driving wheel 83 to drive the driven wheel 84 to make use of the rotating block to drive the air bag 84 to make the air bag 81 to take out completely, then can also prevent the screen of being fully using the air bag 81 to take out the air-down, and can's 81 to take off the screen, and then can also be fully prevent the screen from being used to take off the screen to be fully to be used to the air-up, and can be fully to take off the screen 81.
Because the air bag 81 is easily blown up under the influence of wind force, so that the LED display screen cannot be covered, as shown in fig. 2 and 8-10, in this embodiment, the weight guiding portion 7 is disposed at the other end of the air bag 81, for avoiding the position of the air bag 81 from being deviated due to wind blowing, the weight guiding portion 7 includes a weight rod 71, a cleaning strip 72, a weight balancing block 73 and a fastening bolt 74, the weight rod 71 is fixedly connected to the other end of the air bag 81, the weight rod 71 is an iron rod and can be magnetically attracted to the permanent magnet 65, both ends of the weight rod 71 are provided with sliding grooves 711 for sliding fit with the guide rod 62, the directionality of the weight rod 71 during movement can be improved through the cooperation of the guide rod 62 and the sliding grooves 711, one side of the weight rod 71 is further provided with a front mounting bin 713, the other side of the rear mounting bin 714 is further provided with a threading hole 712, and the mounting plate 715 fixed inside the front mounting bin 713 is further provided with a strip-shaped through hole 7151; the upper end of the balancing weight 73 is provided with a through groove 732 which is used for sliding fit with the mounting plate 715, and both sides of the through groove 732 are provided with threaded through holes 731; the weight and the number of the balancing weights 73 are set according to actual practice, but the weight of the balancing weights 73 positioned at the two ends of the mounting plate 715 is the same, and the fastening bolts 74 are connected with the threaded through holes 731 in a threaded manner so as to fix the balancing weights 73 on the mounting plate 715; the cleaning strip 72 is arranged in the rear mounting bin 714, one side of the cleaning strip 72 is rotationally connected with a connecting rope 721 which can penetrate through the threading hole 712, the cleaning strip 72 is bound on the counterweight rod 71 through the connecting rope 721, when the hollow shaft 85 deploys the cleaning strip 72, the cleaning strip 72 can smoothly fall down to completely cover the LED display screen under the influence of the dead weight of the counterweight rod 71 and the counterweight block 73 until the counterweight rod 71 is inserted into a through groove 631 on the limiting cross rod 63, the limiting cross rod 63 is utilized to limit the counterweight rod 71, the directionality of the air bag 81 during retraction can be improved, and under the influence of wind force, the air bag 81 can not be blown up by wind due to the existence of the counterweight rod 71 and the counterweight block 73, so that the air bag 81 can stably cover the screen of the LED display screen, the cleaning strip 72 can be driven to fall together when the counterweight rod 71 falls down, the cleaning strip 72 can be cleaned through the cleaning strip 72, and the cleaning strip 72 can be taken down through the connecting rope 721, the cleaning strip 72 is convenient to detach, the cleaning strip 72 is convenient to replace the cleaning strip 72 by workers, the cleaning strip 72 is facilitated, the cleaning strip 72 can be cleaned when the air bag is not in the condition of the air bag, and the air bag can be deployed, the screen can be cleaned, and the screen can be cleaned by the display screen when the air is not be moved.
Since the directivity of the weight bar 71 needs to be ensured to improve the running stability of the device when falling, as shown in fig. 1-2 and 11-13, in this embodiment, the guide bracket 6 is disposed at the front end of the protective frame 12 and is used for guiding the weight guide portion 7, the guide bracket 6 includes a bearing plate 61, a permanent magnet 65, a limiting cross bar 63, two support uprights 64 and a guide bar 62, the bearing plate 61 is fixed at the bottom of the rectangular coaming, two mounting notches 612 are provided at one end in front of the protective frame 12, the two mounting notches 612 are symmetrically disposed, one side of the mounting notch 612 is provided with a threaded blind hole 613 in a communicating manner, the disposed mounting notch 612 can rapidly position the support uprights 64, which is conducive to the mounting of the support uprights 64, and the T-shaped through groove 611 capable of accommodating the weight guide portion 7 is further provided on the bearing plate 61, so that the existence of the weight guide portion 7 can be prevented from blocking the LED display screen, the T-shaped through groove can also enable the airbag 81 to pass, and the unreeling motor 82 is fixed at the top of the bearing plate 61; one end of the supporting upright rod 64 is positioned in the mounting notch 612, and the two supporting upright rods 64 are respectively fixed on two sides of the bearing plate 61 through the threaded connection of the bolts and the threaded blind holes 613; the permanent magnet 65 is embedded in the bottom of the bearing plate 61 and arranged on one side of the T-shaped through groove 611 and is used for stabilizing the counterweight guiding part 7; the two guide rods 62 are arranged face to face and fixedly connected to one side of the supporting upright rod 64 respectively, the limiting cross rod 63 is fixedly connected to the bottoms of the two guide rods 62, through grooves 631 are formed in the limiting cross rod, the unreeling motor 82 and the air pump 51 are supported by the guide support 6, and the permanent magnet 65 is arranged in magnetic attraction fit with the iron counterweight rod 71, so that the stability of the air bag 81 when being retracted can be improved.
3-6, in this embodiment, the air path switching part 5 and the air path switching part 5 are arranged inside the rectangular coaming and are composed of an air pump 51 and an air vent pipeline, the air pump 51 is used for inflating and deflating the air bag 81, the air vent pipeline comprises a first three-way valve 53, a second three-way valve 54 and a third three-way valve 55, the first three-way valve 53, the second three-way valve 54 and the third three-way valve 55 are all electrically connected with the main controller 4, the air outlet end of the first three-way valve 53 is connected with the air inlet of the air pump 51 through an air duct, one air outlet end of the first three-way valve 53 is provided with an air filter 9, the set air filter 9 is used for filtering air entering the air path through the first three-way valve 53, and the other air inlet end is connected with one air vent end of the third three-way valve 55 through the air duct; the air inlet end of the second three-way valve 54 is connected with the air outlet of the air pump 51, one air outlet end of the second three-way valve 54 is connected with the air inlet end of the third three-way valve 55, and the other air outlet end of the third three-way valve 55 is connected with the rotary joint 86; the air channel switching part 5 further comprises an air storage tank 52 and an air expansion nozzle 58, wherein the air outlet end of the air storage tank 52 is connected with the pressure gauge 56 and then is connected with the air outlet valve 57, the air inlet end of the air storage tank 52 is connected with the other air outlet end of the second three-way valve 54 through a pipeline, and the pressure gauge 56 and the air outlet valve 57 are electrically connected with the main controller 4; the air-expanding nozzle 58 is opposite to the air outlet of the air outlet valve 57, one end of the air-expanding nozzle 58 is connected with the air outlet of the air outlet valve 57 and is used for radiating heat of the air outlet valve 82, the air pump 51 is started, meanwhile, the first three-way valve 53, the second three-way valve 54 and the third three-way valve 55 are switched, the air pump 51 and the air bag 81 are communicated, air filtered by the air filter 9 is sent to the hollow shaft 85 through the air channel through the air pump 51, then is sent to the air bag 81 through the hollow shaft 85, the air bag 81 is inflated, after inflation is completed, the air pump 51 is closed, when the air in the air bag 81 needs to be discharged, the first three-way valve 53, the second three-way valve 54 and the third three-way valve 55 are switched, the air bag 81, the air pump 51 and the air storage tank 52 are communicated, the air in the air bag 81 is started, the air pump 51 pumps the air in the air bag 81 into the air storage tank 52 through the air channel, the pressure gauge 56, when the pressure value exceeds a set value, the air outlet valve 57 is opened through the main controller 4, the problem that explosion caused by pressure is avoided, the air stored in the air storage tank 52 is avoided, when the air storage motor 82 works, the air is inflated, the air in the air storage tank 82 is mainly used for radiating heat of the air through the air outlet valve 82, the air is opened, and the air is discharged through the air outlet valve 52, and the air-expanding nozzle 52, and the air is quickly, and then the air is discharged through the air outlet valve 52.
Because the wind speed is required to be detected to judge whether the device is started or not, as shown in fig. 1, 2 and 14, in the embodiment, the waterproof flange 2 consists of a rectangular coaming and a sealing cover plate 22, and is fixedly connected to the tops of the protective frame 12 and the guide bracket 6, the waterproof flange 2 and the guide bracket 6 not only can be used for installing components such as a wind speed sensor 3 and the like, but also can play a rainproof role, the probability of rainwater invading the inside of the LED display screen is reduced, the wind speed sensor 3 is installed at the top of the sealing cover plate 22, the wind speed sensor 3 is electrically connected with the main controller 4 through a wire, the wind speed sensor 3 is used for detecting the wind speed, the upper end of the rectangular coaming is provided with an installation groove 21 capable of accommodating the sealing cover plate 22, the installation groove 21 is used for installing the sealing cover plate 22, the installation of the sealing cover plate 22 is facilitated by the installation groove 21, and the sealing cover plate 22 is convenient, the protection buffer part 8 and the air path switching part 5 are both arranged in the rectangular coaming, the main controller 4 is arranged in the rectangular coaming and is electrically connected with the air pump 51 through a wire, the main controller 4 is electrically connected with the motor controller through the wire and performs data interaction, the motor controller is arranged on one side of the unreeling motor 82 and is electrically connected with the unreeling motor 82, the motor controller is used for controlling the unreeling motor 82, the wind speed is detected through the wind speed sensor 3 and is transmitted to the main controller 4, after the processing and analysis are performed through the main controller 4, whether the wind power exceeds the set maximum value is judged, if the wind power exceeds the set maximum value, the main controller 4 transmits an instruction to the motor controller, the unreeling motor 82 is started through the motor controller, after the unreeling motor 82 stops, namely, when the air bag 81 is completely unfolded, the motor controller transmits an instruction to the main controller 4 starts the air pump 51 to charge the air bag 81, finally, when the wind speed sensor 3 detects wind stop, the main controller 4 starts the air pump 51, completely extracts air in the air bag 81, sends a command to the motor controller, and folds the air bag 81 by reversing the unreeling motor 82.
It should be noted that, the rectangular coaming or the bearing plate 61 needs to be provided with a vent hole to meet the operation requirement of the device, and the vent hole can be treated with water and dust resistance.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
1. A tiled LED display screen with a protective mechanism, comprising:
the LED display part (1) consists of a spliced screen (11) and a protective frame (12), and the spliced screen (11) is fixedly connected inside the protective frame (12);
the protection buffer part (8) consists of an air bag (81) and a hollow shaft (85), the air bag (81) is wound on the hollow shaft (85), and the ventilation end of the air bag (81) is communicated with the cavity of the hollow shaft (85);
a weight guide part (7) which is arranged at the other end of the air bag (81) and is used for avoiding the deviation of the position of the air bag (81) caused by wind blowing;
the guide bracket (6) is arranged at the front end of the protective frame (12) and used for guiding the counterweight guide part (7);
the air passage switching part (5), the air passage switching part (5) is arranged in the rectangular coaming and consists of an air pump (51) and an air pipeline, and the air pump (51) is used for inflating and deflating the air bag (81);
the waterproof convex edge (2) consists of a rectangular coaming and a sealing cover plate (22), is fixedly connected to the tops of the protection frame (12) and the guide bracket (6), and the protection buffer part (8) and the air path switching part (5) are arranged in the rectangular coaming;
the main controller (4) is arranged inside the rectangular coaming and is electrically connected with the air pump (51) through a wire;
the protective buffer (8) further comprises:
the driving assembly consists of an unreeling motor (82), a driving wheel (83) and a driven wheel (84), wherein the driving wheel (83) is sleeved and fixed at one end of an output shaft of the unreeling motor (82), the driving wheel (83) is in transmission connection with the driven wheel (84) through a transmission belt, one end of a hollow shaft (85) is fixedly connected with a rotating block (851), one end of the rotating block (851) penetrates through a rectangular coaming, a bearing is arranged at the joint of the rotating block (851) and the rectangular coaming, and the driven wheel (84) is sleeved and fixed on the rotating block (851);
a sealing disc (852) is fixed at the other end of the hollow shaft (85), and a rotary joint (86) is arranged at a vent hole in the center of the sealing disc (852);
the ventilation pipeline comprises a first three-way valve (53), a second three-way valve (54) and a third three-way valve (55), wherein the first three-way valve (53), the second three-way valve (54) and the third three-way valve (55) are electrically connected with the main controller (4), the air outlet end of the first three-way valve (53) is connected with the air inlet of the air pump (51) through an air guide pipe, one air outlet end of the first three-way valve (53) is provided with an air filter (9), and the other air inlet end of the first three-way valve (55) is connected with one ventilation end of the third three-way valve through the air guide pipe;
the air inlet end of the second three-way valve (54) is connected with the air outlet of the air pump (51), one air outlet end of the second three-way valve (54) is connected with the air inlet end of the third three-way valve (55), and the other air outlet end of the third three-way valve (55) is connected with the rotary joint (86);
the gas circuit switching part (5) further comprises:
the air outlet end of the air storage tank (52) is connected with the air outlet valve (57) after being connected with the pressure gauge (56), the air inlet end of the air storage tank (52) is connected with the other air outlet end of the second three-way valve (54) through a pipeline, and the pressure gauge (56) and the air outlet valve (57) are electrically connected with the main controller (4);
and the air expansion nozzle (58) is opposite to the unreeling motor (82), and one end of the air expansion nozzle is connected with an air outlet of the air outlet valve (57) and is used for radiating heat of the unreeling motor (82).
2. The spliced LED display screen with protective mechanism of claim 1, wherein: the guide bracket (6) comprises:
the bearing plate (61) is fixed at the bottom of the rectangular coaming, two mounting notches (612) are formed in one end of the bearing plate, the two mounting notches (612) are symmetrically arranged, one side of each mounting notch (612) is communicated with a threaded blind hole (613), a T-shaped through groove (611) capable of accommodating the counterweight guide part (7) is formed in the bearing plate (61), the T-shaped through groove (611) can enable an air bag (81) to pass through, and the unreeling motor (82) and the air pump (51) are both fixed at the top of the bearing plate (61);
the two support vertical rods (64), one end of each support vertical rod (64) is positioned in the installation notch (612), and the two support vertical rods (64) are respectively fixed on two sides of the bearing plate (61) through threaded connection of bolts and threaded blind holes (613);
the permanent magnet (65) is embedded at the bottom of the bearing plate (61), is arranged at one side of the T-shaped through groove (611) and is used for stabilizing the counterweight guide part (7);
the two guide rods (62) are arranged face to face and are fixedly connected to one side of the supporting upright rod (64) respectively;
the limiting cross rod (63) is fixedly connected to the bottoms of the two guide rods (62), and a through groove (631) is formed in the limiting cross rod.
3. The spliced LED display screen with protective mechanism of claim 2, wherein: the weight guide (7) comprises:
the counterweight rod (71) is fixedly connected to the other end of the air bag (81), the counterweight rod (71) is an iron rod and can be magnetically matched with the permanent magnet (65), sliding grooves (711) used for being in sliding fit with the guide rods (62) are formed in the two ends of the counterweight rod (71), a front mounting bin (713) is further formed in one side of the counterweight rod (71), a rear mounting bin (714) is further formed in the other side of the counterweight rod, and one side of the rear mounting bin (714) is communicated with a threading hole (712);
the mounting plate (715) is fixed in the front mounting bin (713), and a strip-shaped through hole (7151) is formed in the mounting plate;
the upper end of the balancing weight (73) is provided with a through groove (732) which is used for being in sliding fit with the mounting plate (715), and both sides of the through groove (732) are provided with threaded through holes (731);
a fastening bolt (74) which is connected with the threaded through hole (731) in a threaded manner and is used for fixing the balancing weight (73) on the mounting plate (715);
the cleaning strip (72) is arranged in the rear installation bin (714), one side of the cleaning strip is rotatably connected with a connecting rope (721) which can pass through the threading hole (712), and the cleaning strip (72) is bound on the counterweight rod (71) through the connecting rope (721).
4. The spliced LED display screen with protective mechanism of claim 1, wherein: the top of the sealing cover plate (22) is provided with a wind speed sensor (3), the wind speed sensor (3) is electrically connected with the main controller (4) through a wire, and the wind speed sensor (3) is used for detecting wind speed.
5. The spliced LED display screen with protective mechanism of claim 1, wherein: the main controller (4) is electrically connected with the motor controller through a wire and performs data interaction, the motor controller is arranged on one side of the unreeling motor (82), the motor controller is electrically connected with the unreeling motor (82), and the motor controller is used for controlling the unreeling motor (82).
6. The spliced LED display screen with protective mechanism of claim 1, wherein: the upper end of the rectangular coaming is provided with a mounting groove (21) capable of accommodating the sealing cover plate (22), and the mounting groove (21) is used for mounting the sealing cover plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211706732.3A CN116030727B (en) | 2022-12-30 | 2022-12-30 | Spliced LED display screen with protection mechanism |
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| CN202211706732.3A CN116030727B (en) | 2022-12-30 | 2022-12-30 | Spliced LED display screen with protection mechanism |
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| CN116030727A CN116030727A (en) | 2023-04-28 |
| CN116030727B true CN116030727B (en) | 2023-09-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117612454B (en) * | 2024-01-24 | 2024-04-26 | 营口兄弟光电科技有限公司 | LED display screen with screen protection function |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042596A (en) * | 2015-06-30 | 2015-11-11 | 大连理工大学 | Internal dust removal type pyrolysis and gasification device and method for organic solid fuel |
| CN110246418A (en) * | 2019-07-12 | 2019-09-17 | 赵娜 | Solar powered outdoor large advertisement screen |
| CN209765966U (en) * | 2019-05-28 | 2019-12-10 | 广州万衡光电有限公司 | Narrow-edge explosion-proof liquid crystal spliced screen |
| CN211376095U (en) * | 2020-03-27 | 2020-08-28 | 廖惠芳 | Liquid crystal display with rolling dustproof construction |
| CN211376017U (en) * | 2019-12-25 | 2020-08-28 | 山东莱茵科斯特智能科技有限公司 | Heating and cooling unit for simulating batching and filling training |
| CN211474436U (en) * | 2019-12-26 | 2020-09-11 | 中国能源建设集团江苏省电力设计院有限公司 | Variable-pressure-ratio isothermal compressed air energy storage system |
| CN213582616U (en) * | 2020-12-21 | 2021-06-29 | 山东科技职业学院 | Multimedia teaching is with electronic curtain of anti-shake |
| CN113611215A (en) * | 2021-08-07 | 2021-11-05 | 王清学 | Anti-collision large-scale advertisement display device |
| CN215812973U (en) * | 2021-09-02 | 2022-02-11 | 源洲电气有限公司 | Outdoor rain-proof ammeter case |
| CN216987015U (en) * | 2022-03-22 | 2022-07-19 | 广东环球净化科技有限公司 | Disproportionated tail gas recycling device |
-
2022
- 2022-12-30 CN CN202211706732.3A patent/CN116030727B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042596A (en) * | 2015-06-30 | 2015-11-11 | 大连理工大学 | Internal dust removal type pyrolysis and gasification device and method for organic solid fuel |
| CN209765966U (en) * | 2019-05-28 | 2019-12-10 | 广州万衡光电有限公司 | Narrow-edge explosion-proof liquid crystal spliced screen |
| CN110246418A (en) * | 2019-07-12 | 2019-09-17 | 赵娜 | Solar powered outdoor large advertisement screen |
| CN211376017U (en) * | 2019-12-25 | 2020-08-28 | 山东莱茵科斯特智能科技有限公司 | Heating and cooling unit for simulating batching and filling training |
| CN211474436U (en) * | 2019-12-26 | 2020-09-11 | 中国能源建设集团江苏省电力设计院有限公司 | Variable-pressure-ratio isothermal compressed air energy storage system |
| CN211376095U (en) * | 2020-03-27 | 2020-08-28 | 廖惠芳 | Liquid crystal display with rolling dustproof construction |
| CN213582616U (en) * | 2020-12-21 | 2021-06-29 | 山东科技职业学院 | Multimedia teaching is with electronic curtain of anti-shake |
| CN113611215A (en) * | 2021-08-07 | 2021-11-05 | 王清学 | Anti-collision large-scale advertisement display device |
| CN215812973U (en) * | 2021-09-02 | 2022-02-11 | 源洲电气有限公司 | Outdoor rain-proof ammeter case |
| CN216987015U (en) * | 2022-03-22 | 2022-07-19 | 广东环球净化科技有限公司 | Disproportionated tail gas recycling device |
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| CN116030727A (en) | 2023-04-28 |
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