阅读说明：本技术 一种led屏幕自动清洁设备 (LED screen self-cleaning equipment ) 是由 刘峰 于 2020-07-06 设计创作，主要内容包括：一种LED屏幕自动清洁设备,包括LED屏幕,所述LED屏幕右侧设有清洁箱,所述清洁箱中固定设有清洁腔,所述清洁腔前后壁上旋转设有从动轴,所述从动轴上固定设有检测辊筒,所述清洁腔后壁上固定设有处理腔,所述处理腔左壁上固定设有传送板,所述传送板左端接触所述检测辊筒,将本设备安装在户外LED显示屏上,设备会自动检测LED屏幕上的污渍含量以及污渍种类,并自动选择对应的清洁剂针对性的喷在擦拭布上对LED屏幕进行擦拭,最后自动清洗擦拭后的擦拭布,并自动将污水处理后继续回收利用,节约了水资源,使用本设备免除了人工清洁户外LED屏幕所包含的高空作业风险。(An automatic cleaning device for an LED screen comprises the LED screen, a cleaning box is arranged at the right side of the LED screen, a cleaning cavity is fixedly arranged in the cleaning box, driven shafts are rotatably arranged on the front wall and the rear wall of the cleaning cavity, a detection roller is fixedly arranged on the driven shaft, a treatment cavity is fixedly arranged on the rear wall of the cleaning cavity, a conveying plate is fixedly arranged on the left wall of the treatment cavity, the left end of the conveying plate is contacted with the detection roller, the equipment is arranged on an outdoor LED display screen, the equipment can automatically detect the stain content and the stain type on the LED screen, automatically selecting corresponding cleaning agent to be sprayed on the wiping cloth in a targeted manner to wipe the LED screen, and finally automatically cleaning the wiped wiping cloth, and sewage is automatically treated and then is continuously recycled, so that water resources are saved, and the high-altitude operation risk caused by manually cleaning the outdoor LED screen is avoided by using the equipment.)

1. The utility model provides a LED screen self-cleaning equipment, includes the LED screen, LED screen right side is equipped with the clean case, the fixed clean chamber that is equipped with in clean case, the rotation is equipped with the driven shaft on the wall around the clean chamber, the fixed detection roller that is equipped with on the driven shaft, the fixed treatment chamber that is equipped with on the wall behind the clean chamber, the fixed conveying board that is equipped with on the wall of treatment chamber left side, the contact of conveying board left end detect the roller, its characterized in that: a storage box is fixedly arranged on the right wall of the cleaning cavity, a dust removal cavity is fixedly arranged at the right end of the storage box, a dust collector is fixedly arranged in the dust removal cavity, a cleaning brush shaft is rotatably arranged between the front wall and the rear wall of the dust removal cavity, and a cleaning brush is fixedly arranged on the cleaning brush shaft; a partition board is fixedly arranged between the left wall and the right wall of the cleaning cavity, a cleaning electric guide rail is fixedly arranged at the lower end of the partition board, a cleaning slide block is arranged in the cleaning electric guide rail in a sliding manner, a cleaning telescopic motor is fixedly arranged at the lower end of the cleaning telescopic motor, a cleaning telescopic rod is fixedly arranged at the lower end of the cleaning telescopic rod, two cleaning fixing rods are symmetrically and fixedly arranged at the lower end of the cleaning support frame in the front-back direction, cleaning cloth is fixedly arranged at the front ends of the two cleaning fixing rods, an extrusion telescopic motor is fixedly arranged on the right wall of the cleaning cavity, a first extrusion telescopic rod is fixedly arranged at the left end of the extrusion telescopic motor, a first extrusion plate is fixedly arranged at the right end of the first extrusion telescopic rod, an extrusion electric guide rail is fixedly arranged on the left wall of the cleaning cavity, an extrusion, a second extrusion telescopic rod is fixedly arranged at the right end of the extrusion support frame, and a second extrusion plate is fixedly arranged at the right end of the second extrusion telescopic rod; a water tank and a sewage cavity are fixedly arranged on the bottom wall of the cleaning cavity, a stirring motor is fixedly arranged on the bottom wall of the cleaning cavity, motor supports fixedly arranged on the bottom wall of the cleaning cavity are symmetrically arranged on the left side and the right side of the stirring motor in a left-right mode, and a cleaning cavity with an upward opening is fixedly arranged at the upper end of each motor support; the fixed reagent board that is equipped with in water tank upper end, the fixed reagent spout that is equipped with in reagent board upper end, it is equipped with three electronic slider to slide in the reagent spout, the fixed reagent bottle that is equipped with in electronic slider upper end, the fixed shower nozzle that is equipped with in reagent bottle upper end.

2. The automatic cleaning device for the LED screen according to claim 1, characterized in that: the stirring motor upper end power connect be equipped with run through from top to bottom in wash the (mixing) shaft on the chamber diapire, two stirring vane of bilateral symmetry are fixed to be equipped with in (mixing) shaft upper end, wash the chamber with the sewage chamber is connected between and is equipped with the sewage ware that draws water, wash the chamber with connect between the water tank and be equipped with the water tank ware that draws water, the fixed filter plate that is equipped with between the wall about the sewage chamber, the sewage chamber with the intercommunication is equipped with the intercommunication pipeline between the water tank, the fixed valve that draws water that is equipped with in the intercommunication pipeline.

3. The automatic cleaning device for the LED screen according to claim 1, characterized in that: a second extrusion telescopic rod is rotatably arranged on the rear wall of the treatment cavity, a detection brush is fixedly arranged on the second extrusion telescopic rod, a support is fixedly arranged on the bottom wall of the treatment cavity, a pushing telescopic motor is fixedly arranged at the upper end of the support, a transfer telescopic motor is fixedly arranged at the upper end of the pushing telescopic motor, a transfer groove fixedly arranged at the upper end of the support is fixedly arranged at the right end of the transfer telescopic motor, a pushing telescopic motor which penetrates through the left wall of the transfer groove from left to right is fixedly arranged at the right end of the support, the pushing telescopic motor is fixedly arranged at the right side of the transfer telescopic motor, a push plate is fixedly arranged at the right end of the pushing telescopic motor, a detection cavity is fixedly arranged in the treatment cavity, a weighing device is fixedly arranged on the left wall of the detection cavity, a detection spring is fixedly arranged at the upper end of the weighing device, a stain plate is, the lower end of the stain plate is hinged with the weighing device and is provided with a second transfer telescopic rod and a first transfer telescopic rod, a detection liquid box is fixedly arranged on the right wall of the detection cavity, the lower end of the detection liquid box is rotatably provided with a detection shaft, the detection shaft is fixedly provided with a first fixed rod, a transmission gear and a second fixed rod, the first fixed rod is fixedly provided with a first liquid baffle, the second fixed rod is fixedly provided with a second liquid baffle, the left end of the detection liquid box is fixedly provided with a liquid conveying pipe, the lower end of the liquid conveying pipe is fixedly provided with a liquid outlet, the liquid outlet is arranged at the upper end of the first liquid baffle, the right arm of the detection cavity is fixedly provided with a detection motor, the upper end of the detection motor is fixedly provided with a motor shaft, the upper end of the motor shaft is fixedly provided with a driving gear meshed with the transmission gear, the rear wall of, the reaction cavity is arranged below the liquid outlet and is positioned at the upper end of the second liquid baffle, and a waste liquid groove is fixedly arranged at the lower end of the detection cavity.

4. The automatic cleaning device for the LED screen according to claim 1, characterized in that: the cleaning brush is characterized in that a main motor is fixedly arranged on the top wall of the cleaning cavity, a driving shaft is rotatably arranged at the front end of the main motor, the driving shaft is connected with a driving belt pulley in a transmission mode between driven shafts, the driven shaft is connected with a cleaning belt pulley in a transmission mode between the cleaning brush shafts, and the driven shaft is connected with a detection belt pulley in a transmission mode between the detection brush shafts.

5. The automatic cleaning device for the LED screen according to claim 1, characterized in that: the LED screen upper end is equipped with places the board, it is fixed to be equipped with solid fixed splint to place the board right-hand member, it is fixed to be equipped with and presss from both sides tight fixed plate to place the board lower extreme, it presss from both sides tight flexible motor to press from both sides the fixed tight telescopic link that is equipped with of tight fixed plate right-hand member, it is fixed to be equipped with and presss from both sides tight movable clamp plate to press from both sides tight fixed plate right-hand member, it presss from both sides tight slider to move the fixed tight slider that is equipped with in movable clamp plate upper end, it is fixed to place the board lower extreme and is.

6. The automatic cleaning device for the LED screen according to claim 1, characterized in that: the upper end of the placing plate is fixedly provided with two support frames which are symmetrical front and back, a cross shaft, a rotating shaft and a first guide roller shaft which penetrate through the support frames front and back are arranged between the two support frames in a rotating mode, a driving motor is fixedly arranged at the rear end of the rear side support frame, the cross shaft is connected to the front end of the driving motor in a power mode, a winding roller is arranged on the cross shaft in a sliding mode, a driven guide roller is fixedly arranged on the rotating shaft, a second annular groove is fixedly arranged at the front end of the driven guide roller, a second connecting sliding block is arranged in the second annular groove in a sliding mode, a first annular groove is fixedly arranged at the front end of the winding roller, a first connecting sliding block is arranged in the first annular groove in a sliding mode, a connecting rod is fixedly connected between the second connecting sliding block and the first connecting sliding block, a first guide roller is fixedly arranged on the first, two pivot inter-plate rotations are equipped with the second guide roll axle, the fixed second deflector roll that is equipped with on the second guide roll axle, the symmetry be equipped with around between two spinal branchs vaulting pole fixed set up in draw the telescopic link on the support frame, two draw the telescopic link clamp and be in side around the winding roll the winding is equipped with the haulage rope on the winding roll, the haulage rope is walked around driven deflector roll, first deflector roll, second deflector roll fixed connection in the cleaning box upper end.

7. The automatic cleaning device for the LED screen according to claim 1, characterized in that: and a cleaning groove are fixedly arranged on the left wall of the cleaning cavity.

Technical Field

The invention relates to the technical field of LED screen cleaning, in particular to an automatic cleaning device for an LED screen.

Background

Outdoor LED display screen has dust, impurity, dirt etc. and is stained with and attaches on the display screen body after using a period, if do not do the clearance, will produce harmful effects to the normal operating of LED display screen, and in serious time, can lead to the destruction of display screen even. Therefore, the outdoor LED display screen needs to be cleaned regularly to ensure the display effect of the LED display screen. The LED display screen cleaning belongs to high-altitude operation and needs to be equipped with a professional cleaning team. The cleaning operation adopts a high-altitude lifting rope mode (commonly called spider man) or a picking crane ship, and is matched with professional cleaning equipment, and cleaning personnel select different cleaning agents to clean in a targeted manner according to different dirt on the screen, so that the cleaning work of the outdoor LED display screen is ensured to be finished on the premise of not damaging the LED lamp tube and the mask, the high-altitude operation has extremely high risk, and the equipment is designed to automatically finish the cleaning work of the LED display screen.

Disclosure of Invention

The invention aims to provide automatic cleaning equipment for an LED screen, which overcomes the problems.

The invention is realized by the following technical scheme.

The invention discloses automatic cleaning equipment for an LED screen, which comprises the LED screen, wherein a cleaning box is arranged on the right side of the LED screen, a cleaning cavity is fixedly arranged in the cleaning box, driven shafts are rotatably arranged on the front wall and the rear wall of the cleaning cavity, a detection roller is fixedly arranged on the driven shafts, a treatment cavity is fixedly arranged on the rear wall of the cleaning cavity, a conveying plate is fixedly arranged on the left wall of the treatment cavity, the left end of the conveying plate is in contact with the detection roller, a storage box is fixedly arranged on the right wall of the cleaning cavity, a dust removal cavity is fixedly arranged at the right end of the storage box, a dust collector is fixedly arranged in the dust removal cavity, a cleaning brush shaft is rotatably arranged between the front wall and the rear wall of the dust removal cavity, and a cleaning brush is fixedly; a partition board is fixedly arranged between the left wall and the right wall of the cleaning cavity, a cleaning electric guide rail is fixedly arranged at the lower end of the partition board, a cleaning slide block is arranged in the cleaning electric guide rail in a sliding manner, a cleaning telescopic motor is fixedly arranged at the lower end of the cleaning telescopic motor, a cleaning telescopic rod is fixedly arranged at the lower end of the cleaning telescopic rod, two cleaning fixing rods are symmetrically and fixedly arranged at the lower end of the cleaning support frame in the front-back direction, cleaning cloth is fixedly arranged at the front ends of the two cleaning fixing rods, an extrusion telescopic motor is fixedly arranged on the right wall of the cleaning cavity, a first extrusion telescopic rod is fixedly arranged at the left end of the extrusion telescopic motor, a first extrusion plate is fixedly arranged at the right end of the first extrusion telescopic rod, an extrusion electric guide rail is fixedly arranged on the left wall of the cleaning cavity, an extrusion, a second extrusion telescopic rod is fixedly arranged at the right end of the extrusion support frame, and a second extrusion plate is fixedly arranged at the right end of the second extrusion telescopic rod; a water tank and a sewage cavity are fixedly arranged on the bottom wall of the cleaning cavity, a stirring motor is fixedly arranged on the bottom wall of the cleaning cavity, motor supports fixedly arranged on the bottom wall of the cleaning cavity are symmetrically arranged on the left side and the right side of the stirring motor in a left-right mode, and a cleaning cavity with an upward opening is fixedly arranged at the upper end of each motor support; the fixed reagent board that is equipped with in water tank upper end, the fixed reagent spout that is equipped with in reagent board upper end, it is equipped with three electronic slider to slide in the reagent spout, the fixed reagent bottle that is equipped with in electronic slider upper end, the fixed shower nozzle that is equipped with in reagent bottle upper end.

Further, agitator motor upper end power is connected be equipped with run through from top to bottom in wash the (mixing) shaft on the chamber diapire, two stirring vane of bilateral symmetry are fixed to the (mixing) shaft upper end, wash the chamber with it is equipped with the sewage ware of drinking water to connect between the sewage chamber, wash the chamber with it is equipped with the water tank ware of drinking water to connect between the water tank, the fixed filter plate that is equipped with between the wall about the sewage chamber, the sewage chamber with the intercommunication is equipped with the intercommunication pipeline between the water tank, the fixed valve that draws water that is equipped with in the intercommunication pipeline.

Further, a second extrusion telescopic rod is rotatably arranged on the rear wall of the treatment cavity, a detection brush is fixedly arranged on the second extrusion telescopic rod, a support is fixedly arranged on the bottom wall of the treatment cavity, a pushing telescopic motor is fixedly arranged at the upper end of the support, a transfer telescopic motor is fixedly arranged at the upper end of the pushing telescopic motor, a transfer groove fixedly arranged at the upper end of the support is fixedly arranged at the right end of the transfer telescopic motor, a pushing telescopic motor which penetrates through the left wall of the transfer groove from left to right is fixedly arranged at the right end of the support, the pushing telescopic motor is fixedly arranged at the right side of the transfer telescopic motor, a push plate is fixedly arranged at the right end of the pushing telescopic motor, a detection cavity is fixedly arranged in the treatment cavity, a weighing device is fixedly arranged on the left wall of the detection cavity, a detection spring is fixedly arranged at the upper, two stain baffles are symmetrically and fixedly arranged at the front and the back of the upper end of the stain plate, a second transfer telescopic rod and a first transfer telescopic rod are hinged at the lower end of the stain plate and the weighing device, a detection liquid box is fixedly arranged on the right wall of the detection cavity, a detection shaft is rotatably arranged at the lower end of the detection liquid box, a first fixed rod, a transmission gear and a second fixed rod are fixedly arranged on the detection shaft, a first liquid baffle plate is fixedly arranged on the first fixed rod, a second liquid baffle plate is fixedly arranged on the second fixed rod, a liquid conveying pipe is fixedly arranged at the left end of the detection liquid box, a liquid outlet is fixedly arranged at the lower end of the liquid conveying pipe, the liquid outlet is arranged at the upper end of the first liquid baffle plate, a detection motor is fixedly arranged on the right arm of the detection cavity, a motor shaft is fixedly arranged at the upper, the detection device is characterized in that a detection ring is fixedly arranged on the rear wall of the detection cavity, a reaction cavity is fixedly arranged in the detection ring and arranged below the liquid outlet, the reaction cavity is positioned at the upper end of the second liquid baffle, and a waste liquid groove is fixedly arranged at the lower end of the detection cavity.

Further, the top wall of the cleaning cavity is fixedly provided with a main motor, the front end of the main motor is rotatably provided with a driving shaft, the driving shaft is connected with a driving belt pulley in a transmission mode between driven shafts, the driven shaft is connected with a cleaning belt pulley in a transmission mode between cleaning brush shafts, and the driven shaft is connected with a detection belt pulley in a transmission mode between detection brush shafts.

Further, the LED screen upper end is equipped with places the board, it is fixed to be equipped with solid fixed splint to place the board right-hand member, it is fixed to be equipped with and presss from both sides tight fixed plate to place the board lower extreme, it is fixed to be equipped with and presss from both sides tight flexible motor to press from both sides tight fixed plate right-hand member, it is fixed to be equipped with and presss from both sides tight telescopic link to press from both sides tight flexible motor right-hand member, it is fixed to be equipped with movable clamp plate to press from both sides tight fixed plate right-hand member, the fixed tight slider that presss from both sides that is equipped with in movable clamp plate upper.

Furthermore, two support frames which are symmetrical front and back are fixedly arranged at the upper end of the placing plate, a cross shaft, a rotating shaft and a first guide roller shaft which penetrate through the support frames front and back are rotatably arranged between the two support frames, a driving motor is fixedly arranged at the rear end of the rear side support frame, the cross shaft is dynamically connected with the front end of the driving motor, a winding roller is slidably arranged on the cross shaft, a driven guide roller is fixedly arranged on the rotating shaft, a second annular groove is fixedly arranged at the front end of the driven guide roller, a second connecting slide block is slidably arranged in the second annular groove, a first annular groove is fixedly arranged at the front end of the winding roller, a first connecting slide block is slidably arranged in the first annular groove, a connecting rod is fixedly connected between the second connecting slide block and the first connecting slide block, a first guide roller is fixedly arranged on the first guide roller shaft, and two rotating shaft plates which are symmetrical front and back are fixedly, two pivot inter-plate rotations are equipped with the second guide roll axle, the fixed second deflector roll that is equipped with on the second guide roll axle, the symmetry be equipped with around between two spinal branchs vaulting pole fixed set up in draw the telescopic link on the support frame, two draw the telescopic link clamp and be in side around the winding roll the winding is equipped with the haulage rope on the winding roll, the haulage rope is walked around driven deflector roll, first deflector roll, second deflector roll fixed connection in the cleaning box upper end.

Furthermore, a cleaning groove and a cleaning groove are fixedly arranged on the left wall of the cleaning cavity.

The invention has the beneficial effects that: install this equipment on outdoor LED display screen, the spot content and the spot kind on the equipment meeting automated inspection LED screen to automatic selection corresponds cleaner pertinence spouts cleans the LED screen on wiping cloth, and the wiping cloth after automatic cleaning cleans, and continues recycle after automatic with sewage treatment, has practiced thrift the water resource, has avoided the high altitude construction risk that artifical clean outdoor LED screen contained using this equipment.

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.

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

FIG. 2 is a schematic view of the structure at A-A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 1;

FIG. 4 is a schematic view of the structure of FIG. 3 at C;

FIG. 5 is a schematic view of the structure of FIG. 4 at D;

FIG. 6 is a schematic view of the structure at E-E in FIG. 3;

FIG. 7 is a schematic view of the structure of FIG. 3 at F;

FIG. 8 is a schematic view of the structure at G-G in FIG. 5.

Detailed Description

The invention will now be described in detail with reference to fig. 1-8, wherein for ease of description the orientations described below 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.

The automatic cleaning device for the LED screen, which is described in conjunction with fig. 1-8, includes an LED screen 10, a cleaning box 36 is arranged on the right side of the LED screen 10, a cleaning chamber 112 is fixedly arranged in the cleaning box 36, a driven shaft 39 is rotatably arranged on the front and rear walls of the cleaning chamber 112, a detection roller 40 is fixedly arranged on the driven shaft 39, a processing chamber 90 is fixedly arranged on the rear wall of the cleaning chamber 112, a transfer plate 84 is fixedly arranged on the left wall of the processing chamber 90, the left end of the transfer plate 84 contacts the detection roller 40, a storage box 41 is fixedly arranged on the right wall of the cleaning chamber 112, a dust removal chamber 42 is fixedly arranged at the right end of the storage box 41, a dust collector 43 is fixedly arranged in the dust removal chamber 42, a cleaning brush shaft 44 is rotatably arranged between the front and rear walls of the dust removal chamber 42, and a cleaning brush shaft 45 is fixedly arranged on the cleaning brush;

a partition plate 47 is fixedly arranged between the left wall and the right wall of the cleaning cavity 112, a cleaning electric guide rail 48 is fixedly arranged at the lower end of the partition plate 47, a cleaning slider 49 is arranged in the cleaning electric guide rail 48 in a sliding manner, a cleaning telescopic motor 50 is fixedly arranged at the lower end of the cleaning slider 49, a cleaning telescopic rod 51 is fixedly arranged at the lower end of the cleaning telescopic motor 50, a cleaning telescopic rod 51 is fixedly arranged at the lower end of the cleaning telescopic rod 51, two cleaning fixing rods 53 are fixedly arranged at the lower end of the cleaning bracket 52 in a front-back symmetrical manner, wiping cloths 54 are fixedly arranged at the front ends of the two cleaning fixing rods 53, an extrusion telescopic motor 55 is fixedly arranged on the right wall of the cleaning cavity 112, a first extrusion telescopic rod 56 is fixedly arranged at the left end of the extrusion telescopic motor 55, a first extrusion plate 57 is fixedly arranged at, an extrusion sliding block 59 is slidably arranged in the extrusion electric guide rail 58, an extrusion supporting frame 60 is fixedly arranged at the right end of the extrusion sliding block 59, a second extrusion telescopic rod 61 is fixedly arranged at the right end of the extrusion supporting frame 60, and a second extrusion plate 62 is fixedly arranged at the right end of the second extrusion telescopic rod 61;

the bottom wall of the cleaning cavity 112 is fixedly provided with a water tank 69 and a sewage cavity 71, the bottom wall of the cleaning cavity 112 is fixedly provided with a stirring motor 77, the left side and the right side of the stirring motor 77 are bilaterally and symmetrically provided with motor supports 78 fixedly arranged on the bottom wall of the cleaning cavity 112, and the upper end of each motor support 78 is fixedly provided with a cleaning cavity 70 with an upward opening; the fixed reagent board 64 that is equipped with in water tank 69 upper end, the fixed reagent spout 65 that is equipped with in reagent board 64 upper end, it is equipped with three electronic slider 66 to slide in the reagent spout 65, the fixed reagent bottle 67 that is equipped with in electronic slider 66 upper end, the fixed shower nozzle 68 that is equipped with in reagent bottle 67 upper end.

Beneficially, agitator motor 77 upper end power connection be equipped with run through from top to bottom in wash (mixing) shaft 75 on the chamber 70 diapire, two stirring vane 76 of bilateral symmetry are fixed to be equipped with in (mixing) shaft 75 upper end, wash chamber 70 with the connection is equipped with sewage water pumper 73 between sewage chamber 71, wash chamber 70 with the connection is equipped with water tank water pumper 74 between water tank 69, the fixed filter plate 72 that is equipped with between the wall about sewage chamber 71, sewage chamber 71 with the intercommunication is equipped with intercommunication pipeline 79 between water tank 69, the fixed valve 80 that draws water that is equipped with in the intercommunication pipeline 79.

Beneficially, a second extrusion telescopic rod 61 is rotatably arranged on the rear wall of the processing cavity 90, a detection brush 82 is fixedly arranged on the second extrusion telescopic rod 61, a support 85 is fixedly arranged on the bottom wall of the processing cavity 90, a push telescopic motor 117 is fixedly arranged at the upper end of the support 85, a transfer telescopic motor 116 is fixedly arranged at the upper end of the push telescopic motor 117, a transfer groove 86 fixedly arranged at the upper end of the support 85 is fixedly arranged at the right end of the transfer telescopic motor 116, a push telescopic motor 87 penetrating through the left and right of the transfer groove 86 is fixedly arranged at the right end of the support 85, the push telescopic motor 87 is fixedly arranged at the right side of the transfer telescopic motor 116, a push plate 88 is fixedly arranged at the right end of the push telescopic motor 87, a detection cavity 89 is fixedly arranged in the processing cavity 90, a weighing device 113 is fixedly arranged on the left wall of the detection cavity 89, and a detection spring 109, the upper end of the detection spring 109 is connected with a stain plate 106, two stain baffles 105 are symmetrically and fixedly arranged at the front and back of the upper end of the stain plate 106, the lower end of the stain plate 106 is hinged with the weighing device 113 and is provided with a second transfer telescopic rod 108 and a first transfer telescopic rod 107, the right wall of the detection cavity 89 is fixedly provided with a detection liquid box 91, the lower end of the detection liquid box 91 is rotatably provided with a detection shaft 94, the detection shaft 94 is fixedly provided with a first fixing rod 95, a transmission gear 97 and a second fixing rod 101, the first fixing rod 95 is fixedly provided with a first liquid baffle 96, the second fixing rod 101 is fixedly provided with a second liquid baffle 102, the left end of the detection liquid box 91 is fixedly provided with a liquid conveying pipe 92, the lower end of the liquid conveying pipe 92 is fixedly provided with a liquid outlet 93, the liquid outlet 93 is arranged at the upper end of the first liquid baffle 96, the right arm, the upper end of the detection motor 100 is fixedly provided with a motor shaft 99, the upper end of the motor shaft 99 is fixedly provided with a driving gear 98 meshed with the transmission gear 97, the rear wall of the detection cavity 89 is fixedly provided with a detection ring 103, a reaction cavity 104 is fixedly arranged in the detection ring 103, the reaction cavity 104 is arranged below the liquid outlet 93, the reaction cavity 104 is positioned at the upper end of the second liquid baffle 102, and the lower end of the detection cavity 89 is fixedly provided with a waste liquid groove 110.

Beneficially, a main motor 37 is fixedly arranged on the top wall of the cleaning cavity 112, a driving shaft 38 is rotatably arranged at the front end of the main motor 37, a driving belt pulley 114 is arranged between the driving shaft 38 and the driven shaft 39 in a transmission connection, a cleaning belt pulley 115 is arranged between the driven shaft 39 and the cleaning brush shaft 44 in a transmission connection, and a detection belt pulley 83 is arranged between the driven shaft 39 and the detection brush shaft 81 in a transmission connection.

Beneficially, place board 11 is equipped with on LED screen 10, place board 11 right-hand member and fixedly be equipped with solid fixed splint 12, place board 11 lower extreme and fixedly be equipped with and press from both sides tight fixed plate 18, press from both sides tight fixed plate 18 right-hand member and fixedly be equipped with and press from both sides tight telescopic motor 17, press from both sides tight telescopic link 16 of tight telescopic motor 17 right-hand member and fixedly be equipped with movable clamp plate 15, the fixed clamping slide 14 that is equipped with in movable clamp plate 15 upper end, it is fixed with and presss from both sides tight electronic slide rail 13 to place board 11 lower extreme, press from both sides tight slide rail 14 and slide and set up in pressing from both sides tight electronic slide rail 13, it presss from both sides tightly.

Beneficially, two support frames 22 which are symmetrical front and back are fixedly arranged at the upper end of the placing plate 11, a cross shaft 23, a rotating shaft 25 and a first guide roller shaft 26 which penetrate through the support frames 22 front and back are rotatably arranged between the two support frames 22, a driving motor 111 is fixedly arranged at the rear end of the rear support frame 22, the cross shaft 23 is in power connection with the front end of the driving motor 111, a winding roller 24 is arranged on the cross shaft 23 in a sliding manner, a driven guide roller 28 is fixedly arranged on the rotating shaft 25, a second annular groove 32 is fixedly arranged at the front end of the driven guide roller 28, a second connecting slider 33 is arranged in the second annular groove 32 in a sliding manner, a first annular groove 31 is fixedly arranged at the front end of the winding roller 24, a first connecting slider 34 is arranged in the first annular groove 31 in a sliding manner, a connecting rod 35 is fixedly connected between the second connecting slider 33 and the first connecting slider 34, and a first guide roller 27 is, two fixed pivot boards 19 that are equipped with the front and back symmetry of fixed splint 12 right-hand member, two pivot boards 19 are rotatory to be equipped with second guide roller axle 20 between, the fixed second guide roller 21 that is equipped with on the second guide roller axle 20, two support frames 22 are equipped with around between fixed set up in traction telescopic link 30 on the support frame 22, two traction telescopic link 30 presss from both sides the side around 24 on the winding roll twine and are equipped with haulage rope 29 on the winding roll 24, haulage rope 29 is walked around driven deflector roll 28, first deflector roll 27, second deflector roll 21 fixed connection in clean box 36 upper end.

Advantageously, a cleaning tank 46 and a cleaning tank 63 are fixedly arranged on the left wall of the cleaning cavity 112.

The working steps are as follows: the placing plate 11 is arranged at the upper end of an LED screen 10, a clamping telescopic rod 16 is driven to extend by starting a clamping telescopic motor 17 so as to enable a movable clamping plate 15 and a fixed clamping plate 12 to clamp the LED screen 10, a traction telescopic rod 30 is driven to stretch and drive a winding roller 24 and a driven guide roller 28 to move back and forth, a driving motor 111 is driven to drive the winding roller 24 to rotate, a cleaning box 36 is driven by a traction rope 29 to freely move back and forth on the right side of the LED screen 10 up and down, a main motor 37 is started to drive a detection roller 40 to rotate, the detection roller 40 is stained with stains on the LED screen 10, a conveying plate 84 is used for scraping the stains on the detection roller 40, the stains are swept into a transfer groove 86 through a detection hairbrush 82, a transfer telescopic motor 116 is started to drive a push plate 88 to push the stains to the upper end of a stain plate 106, a weighing device 113 is used for, the detection motor 100 is started to drive the first liquid baffle plate 96 and the fixed clamp plate 12 to rotate, the lower end of the liquid outlet 93 of the closed lower end of the reaction cavity 104 is opened, the material type is detected in the detection agent screenshot reaction cavity 104 in the detection liquid box 91 through the detection ring 103, the lower end of the liquid outlet 93 of the closed reaction cavity 104 is opened, and the detection liquid and the stain in the reaction cavity 104 fall into the waste liquid tank 110 for centralized treatment; the cleaning slider 49 drives the wiping cloth 54 to move to the upper end of the cleaning cavity 70 without starting the cleaning telescopic motor 50 to drive the cleaning telescopic rod 51 to extend, the wiping cloth 54 enters the cleaning cavity 70, the stirring motor 77 is started to drive the stirring blade 76 to stir the cleaning liquid in the cleaning cavity 70, the wiping cloth 54 is automatically cleaned, the cleaning telescopic rod 51 is lifted to drive the wiping cloth 54 to move to the left end of the first extrusion plate 57, the second extrusion plate 62 is driven to move to the left end of the wiping cloth 54 by moving the extrusion slider 59, the second extrusion telescopic rod 61 is started, the first extrusion telescopic rod 56 is driven to drive the two first extrusion plates 57 to extrude the wiping cloth 54, different reagent bottles 67 are selected according to the material detection result, the designated electric slider 66 drives the reagent bottle 67 to move to the right end of the wiping cloth 54, the wiping cloth 54 is sprayed by the spray nozzle 68, the cleaning telescopic rod 51 is contracted to move the wiping cloth 54, moving the cleaning slider 49 leftwards to drive the wiping cloth 54 to be attached to the right end face of the LED screen 10, and cleaning the surface of the LED screen 10 by moving the cleaning box 36; the sewage water pump 73 is started to pump the sewage in the cleaning cavity 70 into the sewage cavity 71, the sewage after treatment in the sewage cavity 71 is pumped into the water tank 69 through the water pumping valve 80 after being filtered by the filter plate 72, and the water in the water tank 69 is pumped into the cleaning cavity 70 by the water tank water pump 74 for the next cleaning.

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.