CN111739433B - But self-cleaning's outdoor LED screen - Google Patents
But self-cleaning's outdoor LED screen Download PDFInfo
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- CN111739433B CN111739433B CN202010832704.0A CN202010832704A CN111739433B CN 111739433 B CN111739433 B CN 111739433B CN 202010832704 A CN202010832704 A CN 202010832704A CN 111739433 B CN111739433 B CN 111739433B
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- working cavity
- block
- cleaning
- cavity
- fixedly arranged
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- 238000004140 cleaning Methods 0.000 title claims abstract description 105
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims description 70
- 238000007906 compression Methods 0.000 claims description 70
- 230000005540 biological transmission Effects 0.000 claims description 34
- 239000000428 dust Substances 0.000 claims description 13
- 230000002146 bilateral effect Effects 0.000 claims description 12
- 239000000696 magnetic material Substances 0.000 claims description 3
- 241001075561 Fioria Species 0.000 claims description 2
- 238000007790 scraping Methods 0.000 abstract 1
- 238000007605 air drying Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses an outdoor LED screen capable of being automatically cleaned, which comprises a machine body, wherein an LED display screen is fixedly arranged on the rear end surface of the machine body, a first working cavity is arranged in the upper end of the machine body, a second working cavity which is arranged in the lower end of the machine body and has an upward opening is arranged on the lower side of the first working cavity, three screen processing mechanisms which are arranged on the rear side of the LED display screen are arranged in the front and at the back of the second working cavity, the screen processing mechanisms in the invention are provided with three brushes which are respectively used for cleaning and wiping, different brushes are connected with a sliding block under the action of an electromagnet, the brushes automatically clean the LED screen under the action of a motor, simultaneously the motor also drives a corresponding push rod to spray cleaning liquid on the LED display screen through a spray head for waiting for scraping, so that the cleaning purpose is achieved, and a fan is driven by the motor to blow dry residual liquid on the surface of the LED, thereby achieving the function of full-automatic cleaning of the LED screen.
Description
Technical Field
The invention relates to the field of display screens, in particular to an outdoor LED screen capable of being automatically cleaned.
Background
The LED display screen (LED display) is a flat panel display, which is composed of small LED module panels and is used for displaying various information such as characters, images, videos and the like, and due to the unique characteristics of the LED display screen, the LED display screen is widely applied to commercial media, cultural performance markets, stadiums, information transmission, news distribution, stock exchange and the like, and can meet the requirements of different environments.
Disclosure of Invention
The invention aims to provide an outdoor LED screen capable of being automatically cleaned, and the outdoor LED screen can be used for overcoming the conditions that high-altitude operation cleaning needs to be carried out manually, the cleaning efficiency is low and the like.
The invention is realized by the following technical scheme.
The invention relates to an automatic cleaning outdoor LED screen, which comprises a machine body, wherein an LED display screen is fixedly arranged on the rear end surface of the machine body, a first working cavity is arranged in the upper end of the machine body, a second working cavity with an upward opening is arranged in the lower end of the machine body on the lower side of the first working cavity, three screen processing mechanisms which are arranged on the rear side of the LED display screen are arranged in the front and at the back of the second working cavity, each screen processing mechanism comprises support columns which are fixedly connected on the inner wall of the lower side of the second working cavity in a bilateral symmetry manner, a fixed sucker is fixedly arranged at the upper end of each support column, a connecting block is also arranged at the upper end of each fixed sucker in a contact manner, the two connecting blocks are fixedly connected through a connecting plate, cleaning brushes are fixedly arranged on the upper end surfaces of the connecting plate and the connecting block, and, a first electromagnet is fixedly arranged on the inner wall of the fourth working cavity close to the side of the connecting plate, a first compression spring is further fixedly arranged on the inner wall of the fourth working cavity close to the side of the connecting plate, a first sliding block connected in the fourth working cavity in a sliding manner is fixedly arranged at the other end of the first compression spring, a trigger contact block is fixedly arranged on the end face of the first sliding block far away from the connecting plate, a fourth working cavity is arranged in the upper end of the first sliding block, a second electromagnet is fixedly arranged on the inner wall of the lower side of the fourth working cavity, a second compression spring is further fixedly arranged on the inner wall of the lower side of the fourth working cavity, clamping blocks connected in the fourth working cavity in a sliding manner are fixedly arranged at the upper end of the second compression spring, and first rotating shafts which are positioned at two sides of the cleaning brush and are rotatably connected on the inner walls of the front and rear sides of the, a first belt wheel is fixedly arranged on the first rotating shaft, a second rotating shaft which is rotatably connected to the inner wall of the rear side of the first working cavity is arranged on the upper side of each first rotating shaft, a second belt wheel is fixedly arranged on each second rotating shaft, the second belt wheels and the first belt wheels are in friction connection through a conveying belt, a brush connecting block is fixedly arranged on the end face, close to the connecting plate, of the conveying belt, a first sliding rail is fixedly arranged in the end, close to the connecting plate, of the brush connecting block, a fifth working cavity with an opening facing the connecting plate is arranged in the first sliding rail, a third electromagnet is fixedly arranged on the inner wall of the rear side of the fifth working cavity, a third compression spring is fixedly arranged at the front end of the third electromagnet, a second sliding block which is slidably connected in the fifth working cavity is fixedly arranged at the other end of the third compression spring, a contact sensor is fixedly arranged on the inner wall, close to the connecting plate, of the sixth, one end, close to the connecting plate, of each brush connecting block is in contact with the connecting block, when a device is needed to clean the LED display screen, the third electromagnet works to magnetize and repel the second sliding block and push the second sliding block to two sides of the frontmost screen processing mechanism and stretch the third compression spring, at the moment, the first electromagnet works to magnetize and repel the first sliding block and push the first sliding block out of the fourth working cavity, the first compression spring is stretched, when the front end of the first sliding block slides into the fifth working cavity, the clamping block is pushed into the fifth working cavity and clamped under the action of the second compression spring, meanwhile, the trigger contact block enters the sixth working cavity under the pushing of the first sliding block and is in contact with the contact sensor, at the moment, the contact sensor works and transmits a working signal, then the second rotating shaft rotates to drive the second belt wheel to rotate clockwise, the second belt wheel rotates to drive the conveyor belt to be close to the connecting plate, one side of the connecting plate moves upwards, the conveyor belt moves to sequentially drive the brush connecting block and the first slide rail to move upwards, the first slide rail moves upwards to drive the cleaning brush, the connecting block and the connecting plate move upwards simultaneously, meanwhile, the third electromagnet continues to work to reject the second sliding block to move forwards, the second sliding block moves forwards to drive the front end face of the cleaning brush to be finally attached to the surface of the LED display screen needing to be cleaned, then the cleaning brush rises and carries out dust cleaning treatment on the surface of the LED display screen, after the first dust cleaning treatment of the screen treatment mechanism on the front side is finished, the cleaning brush is driven by the conveyor belt, the connecting block and the reset connecting plate finally enable the lower end face of the connecting block to be again in contact with the fixed sucker and absorb dust Then, the second electromagnet works to magnetize and attract the fixture block to return to the fourth working cavity, meanwhile, the first compression spring drives the first sliding block to return to the fourth working cavity, then the third electromagnet works again to respectively drive the other two groups of cleaning brushes to repeat the actions and respectively carry out secondary dust cleaning treatment and wiping treatment;
a cleaning block is fixedly arranged in the inner wall of the lower side of the first working cavity, a seventh working cavity is arranged in the cleaning block, nineteen cleaning solution spray heads are arranged in the fixed array of the inner wall of the lower side of the seventh working cavity, three fifth compression springs are arranged in the fixed array of the inner wall of the upper side of the seventh working cavity, a compression plate which is connected in the seventh working cavity in a sliding manner is arranged at the lower end of each fifth compression spring, two push rods are fixedly arranged on the upper end surface of each compression plate in a bilateral symmetry manner, the upper ends of the push rods extend into the first working cavity, a cleaning solution storage block which is fixedly connected to the inner wall of the lower side of the first working cavity is arranged at the front end of each cleaning block, a cleaning solution storage cavity is arranged in each cleaning solution storage block, a liquid filling opening is arranged at the upper end of each cleaning solution storage cavity, the cleaning, when the screen processing mechanism carries out dust cleaning processing on the surface of the LED display screen, the one-way circulation valve works to enable the connecting pipe to enable the cleaning liquid storage cavity and the seventh working cavity to be communicated, the pushing rod moves downwards to drive the compression plate to move downwards and compress the space in the seventh working cavity, the cleaning liquid in the seventh working cavity is sprayed to the LED display screen through the cleaning liquid spray head and waits to be scraped by the cleaning brush, and when the pushing rod moves upwards, the spare cleaning liquid is sucked from the cleaning liquid storage cavity through the connecting pipe in order to keep the pressure balance in the seventh working cavity, so that the pressure in the seventh working cavity is balanced.
Preferably, a motor positioned on the left side of the screen processing mechanism is fixedly arranged on the inner wall of the lower side of the second working cavity, a transmission shaft is rotatably arranged at the upper end of the motor, the upper end of the transmission shaft extends into the first working cavity, a second slide rail is fixedly arranged in the upper end of the transmission shaft, a first slide cavity with an opening facing left is arranged in the second slide rail, a fourth electromagnet is fixedly arranged on the inner wall of the lower side of the first slide cavity, a fourth compression spring is fixedly arranged at the upper end of the fourth electromagnet, a third slide block which is slidably connected in the first slide cavity is arranged at the upper end of the fourth compression spring, a first bevel gear which is slidably connected on the transmission shaft is fixedly arranged at the left end of the third slide block, a second bevel gear is engaged at the right end of the first bevel gear, the second bevel gear is fixedly connected on a third rotating shaft, and the right end of the third rotating shaft is rotatably connected, the hydraulic working chamber is characterized in that a first transmission gear is fixedly arranged on the third rotating shaft, a second transmission gear is arranged at the lower end of the first transmission gear in a meshed mode, the second transmission gear is fixedly connected to a fourth rotating shaft, the right end of the fourth rotating shaft is rotatably connected to the inner wall of the right side of the first working chamber, third bevel gears fixedly connected to the fourth rotating shaft are symmetrically arranged on two sides of the second transmission gear, a fourth bevel gear is arranged at the rear end of each third bevel gear in a meshed mode, and the fourth bevel gears are fixedly connected to the second rotating shaft.
Preferably, the fourth rotating shaft is fixedly provided with cams positioned on the upper side of the push rod in a bilateral symmetry mode.
Preferably, LED display screen left side is equipped with fixed connection and is in air-dry piece on the fuselage terminal surface, be equipped with the air-dry chamber that the opening is towards the right in the air-dry piece, it is equipped with the fifth axis of rotation to rotate on the inner wall of air-dry chamber left side, use the fifth axis of rotation is equipped with four as central circumference array and is located air-dry intracavity fan leaf, the fifth axis of rotation left end stretches into second working chamber and fixed fifth bevel gear that is equipped with, first bevel gear lower extreme bilateral symmetry is equipped with the gear connecting rod, the fixed sliding connection that is equipped with of gear connecting rod lower extreme is in epaxial sixth bevel gear of transmission.
Preferably, the rear side of the upper end face of the machine body is provided with a third slide rail, a second sliding cavity with an upward opening is arranged in the third slide rail, a sixth compression spring is fixedly arranged on the inner wall of the front side of the second sliding cavity, the rear end of the sixth compression spring is fixedly provided with a fourth sliding block which is connected in the second sliding cavity in a sliding mode, an cover plate is arranged at the upper end of the fourth sliding block, the front end of the cover plate is located on the upper side of the second sliding cavity and enables the second working cavity to be isolated from the outside, and a fifth electromagnet is fixedly arranged on the inner wall of the rear side of the second sliding cavity.
Preferably, the first sliding block, the second sliding block, the third sliding block, the fourth sliding block and the fixture block are all made of magnetic materials.
The invention has the beneficial effects that: the screen processing mechanism in the invention is provided with three brushes which are respectively used for cleaning dust and wiping, different brushes are connected with the slide block under the action of the electromagnet, the brushes automatically clean the LED screen under the action of the motor, simultaneously the motor also drives the corresponding push rod to enable cleaning liquid to be sprayed on the LED display screen through the spray head for waiting to be scraped, thereby achieving the purpose of cleaning, and the motor drives the fan to blow and dry the residual liquid on the surface of the LED after being wiped, thereby achieving the function of fully automatically cleaning the LED 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.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the embodiment of the present invention at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the embodiment of the present invention at B in FIG. 1;
FIG. 4 is a schematic view of the embodiment of the present invention in the direction of C-C in FIG. 3;
FIG. 5 is a schematic view of the embodiment of the present invention in the direction D-D in FIG. 1;
FIG. 6 is a schematic view of the embodiment of the present invention in the direction E-E of FIG. 1;
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, 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 the accompanying drawings 1-6, the outdoor LED screen capable of being automatically cleaned comprises a machine body 11, an LED display screen 17 is fixedly arranged on the rear end face of the machine body 11, a first working chamber 80 is arranged in the upper end of the machine body 11, a second working chamber 81 with an upward opening is arranged on the lower side of the first working chamber 80, three sets of screen processing mechanisms 901 are arranged in the rear of the LED display screen 17 in the second working chamber 81, each set of screen processing mechanisms 901 comprises support columns 47 which are fixedly connected on the inner wall of the lower side of the second working chamber 81 in a bilateral symmetry manner, a fixed suction cup 55 is fixedly arranged at the upper end of each support column 47, a connecting block 51 is arranged on the upper end of each fixed suction cup 55 in a contact manner, two connecting blocks 51 are fixedly connected through a connecting plate 52, a cleaning brush 50 is fixedly arranged on the upper end faces of the connecting plate 52 and the connecting block 51, a fourth working chamber 87 with an opening far away from the connecting plate 52 is arranged in the connecting block 51, the fourth working chamber 87 is close to the inner wall of the connecting plate 52 side and is fixedly provided with a first electromagnet 53, the fourth working chamber 87 is close to the inner wall of the connecting plate 52 side and is also fixedly provided with a first compression spring 54, the other end of the first compression spring 54 is fixedly provided with a first sliding block 56 which is connected in the fourth working chamber 87 in a sliding manner, the first sliding block 56 is far away from the end surface of the connecting plate 52 and is fixedly provided with a trigger contact block 62, the upper end of the first sliding block 56 is internally provided with a fourth working chamber 87, the lower inner wall of the fourth working chamber 87 is fixedly provided with a second electromagnet 57, the lower inner wall of the fourth working chamber 87 is also fixedly provided with a second compression spring 58, the upper end of the second compression spring 58 is fixedly provided with a clamping block 59 which is connected in the fourth working chamber 87 in a sliding, the cleaning brush is characterized in that first rotating shafts 43 which are positioned on two sides of the cleaning brush 50 and are rotatably connected to the inner walls of the front side and the rear side of the second working chamber 81 are symmetrically arranged in the second working chamber 81 in a bilateral mode, first belt wheels 42 are fixedly arranged on the first rotating shafts 43, a second rotating shaft 46 which is rotatably connected to the inner wall of the rear side of the first working chamber 80 is arranged on the upper side of each first rotating shaft 43, second belt wheels 70 are fixedly arranged on the second rotating shafts 46, the second belt wheels 70 are in friction connection with the first belt wheels 42 through conveying belts 41, the conveying belts 41 are close to the end faces of the connecting plates 52, brush connecting blocks 48 are fixedly arranged on the end faces of the connecting plates 52, first sliding rails 49 are fixedly arranged in the ends of the brush connecting plates 52, fifth working chambers 85 with openings facing the connecting plates 52 are arranged in the first sliding rails 49, and third electromagnets 72 are fixedly arranged on the inner, a third compression spring 63 is fixedly arranged at the front end of the third electromagnet 72, a second sliding block 60 which is slidably connected in the fifth working cavity 85 is fixedly arranged at the other end of the third compression spring 63, a contact sensor 61 is fixedly arranged on the inner wall of the side, away from the connecting plate 52, of the sixth working cavity 88 in the end, close to the connecting plate 52, of the second sliding block 60, one end, close to the connecting plate 52, of each brush connecting block 48 is in contact with the connecting block 51, when a device is required to clean the LED display screen 17, the third electromagnet 72 works to magnetize and repel the second sliding block 60 and push the second sliding block to the two sides of the frontmost screen processing mechanism 901 and stretch the third compression spring 63, at the moment, the first electromagnet 53 works to magnetize and repel the first sliding block 56 and push the first sliding block out of the fourth working cavity 87 and stretch the first compression spring 54, when the front end of the first sliding block 56 slides into the fifth working cavity 85, the clamping block 59 is pushed into the fifth working cavity 85 and is clamped tightly under the action of the second compression spring 58, meanwhile, the trigger contact block 62 is pushed by the first sliding block 56 to enter the sixth working cavity 88 and contact with the contact sensor 61, at this time, the contact sensor 61 works and transmits a working signal, then the second rotating shaft 46 rotates to drive the second pulley 70 to rotate clockwise, the second pulley 70 rotates to drive the side of the conveyor belt 41 close to the connecting plate 52 to move upwards, the conveyor belt 41 moves to drive the brush connecting block 48 and the first slide rail 49 to move upwards in turn, the first slide rail 49 moves upwards to drive the cleaning brush 50, the connecting block 51 and the connecting plate 52 move upwards at the same time, and meanwhile, the third electromagnet 72 continues to work and repels the second sliding block 60 to move forwards, the second sliding block 60 moves forward to drive the front end face of the cleaning brush 50 to be finally attached to the surface of the LED display screen 17 to be cleaned, then the cleaning brush 50 rises and performs ash removal treatment on the surface of the LED display screen 17, after the first ash removal treatment of the frontmost screen processing mechanism 901 is finished, the cleaning brush 50 is driven by the conveyor belt 41, the connecting block 51 and the connecting plate 52 are reset, and finally the lower end surface of the connecting block 51 is contacted with and adsorbed by the fixed sucker 55 again, and then the second electromagnet 57 works to magnetize and attract the clamping block 59 to return to the fourth working cavity 87, meanwhile, the first compression spring 54 drives the first sliding block 56 to return to the fourth working chamber 87, and then the third electromagnet 72 works again to respectively drive the other two groups of cleaning brushes 50 to repeat the above actions and respectively perform secondary dust cleaning treatment and wiping treatment;
a cleaning block 24 is fixedly arranged in the inner wall of the lower side of the first working chamber 80, a seventh working chamber 82 is arranged in the cleaning block 24, nineteen cleaning solution nozzles 28 are arranged in the fixed array of the inner wall of the lower side of the seventh working chamber 82, three fifth compression springs 26 are arranged in the fixed array of the inner wall of the upper side of the seventh working chamber 82, a compression plate 25 which is slidably connected in the seventh working chamber 82 is arranged at the lower end of the fifth compression spring 26, two push rods 27 are fixedly arranged on the upper end surface of the compression plate 25 in a bilateral symmetry manner, the upper end of each push rod 27 extends into the first working chamber 80, a cleaning solution storage block 38 which is fixedly connected on the inner wall of the lower side of the first working chamber 80 is arranged at the front end of the cleaning block 24, a cleaning solution storage chamber 89 is arranged in the cleaning solution storage block 38, a liquid filling port 37 is arranged at the upper end of the cleaning solution storage chamber 89, and the seventh working chamber, a one-way flow valve 39 is arranged in the connecting pipe 40, when the screen processing mechanism 901 performs ash removal processing on the surface of the LED display screen 17, the one-way flow valve 39 operates to enable the connecting pipe 40 to communicate between the cleaning liquid storage chamber 89 and the seventh working chamber 82, the push rod 27 moves downward to drive the compression plate 25 to move downward and compress the space in the seventh working chamber 82 and spray the cleaning liquid in the seventh working chamber 82 onto the LED display screen 17 through the cleaning liquid spray head 28 to wait for being scraped and washed by the cleaning brush 50, and when the push rod 27 moves upward, in order to keep the pressure balance in the seventh working chamber 82, a spare cleaning liquid is sucked from the cleaning liquid storage chamber 89 through the connecting pipe 40 so as to balance the pressure in the seventh working chamber 82.
Advantageously, a motor 18 positioned at the left side of the screen processing mechanism 901 is fixedly arranged on the lower inner wall of the second working chamber 81, a transmission shaft 16 is rotatably arranged at the upper end of the motor 18, the upper end of the transmission shaft 16 extends into the first working chamber 80, a second slide rail 30 is fixedly arranged in the upper end of the transmission shaft 16, a first slide chamber 84 with an opening facing to the left is arranged in the second slide rail 30, a fourth electromagnet 73 is fixedly arranged on the lower inner wall of the first slide chamber 84, a fourth compression spring 33 is fixedly arranged at the upper end of the fourth electromagnet 73, a third slide block 32 slidably connected in the first slide chamber 84 is arranged at the upper end of the fourth compression spring 33, a first bevel gear 31 slidably connected on the transmission shaft 16 is fixedly arranged at the left end of the third slide block 32 extending out of the first slide chamber 84, a second bevel gear 36 is engaged at the right end of the first bevel gear 31, the second bevel gear 36 is fixedly connected to a third rotating shaft 20, the right end of the third rotating shaft 20 is rotatably connected to the inner wall of the right side of the first working chamber 80, a first transmission gear 23 is fixedly arranged on the third rotating shaft 20, a second transmission gear 22 is meshed with the lower end of the first transmission gear 23, the second transmission gear 22 is fixedly connected to a fourth rotating shaft 19, the right end of the fourth rotating shaft 19 is rotatably connected to the inner wall of the right side of the first working chamber 80, third bevel gears 44 fixedly connected to the fourth rotating shaft 19 are symmetrically arranged on two sides of the second transmission gear 22, a fourth bevel gear 45 is meshed with the rear end of each third bevel gear 44, and the fourth bevel gears 45 are fixedly connected to the second rotating shaft 46.
Advantageously, the fourth rotating shaft 19 is fixed with the cam 21 on the upper side of the pushing rod 27 in bilateral symmetry.
Beneficially, an air drying block 12 fixedly connected to the end face of the body 11 is arranged on the left side of the LED display screen 17, an air drying cavity 83 with an opening facing the right is arranged in the air drying block 12, a fifth rotating shaft 14 is rotatably arranged on the inner wall of the left side of the air drying cavity 83, four fan blades 13 located in the air drying cavity 83 are circumferentially arrayed with the fifth rotating shaft 14 as a center, the left end of the fifth rotating shaft 14 extends into the second working cavity 81 and is fixedly provided with a fifth bevel gear 15, gear connecting rods 34 are bilaterally symmetrically arranged at the lower end of the first bevel gear 31, and a sixth bevel gear 35 slidably connected to the transmission shaft 16 is fixedly arranged at the lower end of the gear connecting rods 34.
Beneficially, the rear side of the upper end surface of the machine body 11 is provided with a third slide rail 66, the third slide rail 66 is provided with a second slide cavity 90 with an upward opening, the inner wall of the front side of the second slide cavity 90 is fixedly provided with a sixth compression spring 69, the rear end of the sixth compression spring 69 is fixedly provided with a fourth slide block 68 connected in the second slide cavity 90 in a sliding manner, the upper end of the fourth slide block 68 is provided with a cover plate 65, in an initial state, the front end of the cover plate 65 is located on the upper side of the second slide cavity 90 and enables the second working cavity 81 to be isolated from the outside, and the inner wall of the rear side of the second slide cavity 90 is fixedly provided with a fifth electromagnet 67.
Advantageously, the first sliding block 56, the second sliding block 60, the third sliding block 32, the fourth sliding block 68 and the latch 59 are made of a magnetic material.
In the initial state, the first compression spring 54, the third compression spring 63, the fourth compression spring 33, the fifth compression spring 26, and the sixth compression spring 69 are in the normal state, and the second compression spring 58 is in the compressed state.
When the LED screen needs to be cleaned, the fifth electromagnet 67 works, namely, the fifth electromagnet is magnetized to attract the fourth sliding block 68 and stretch the sixth compression spring 69, the fourth sliding block 68 moves to the right to drive the cover plate 65 to move to the right, the cover plate 65 moves to the right to enable the second working chamber 81 to be communicated with the outside, at this time, the first electromagnet 53 works, namely, the fourth sliding block 56 is magnetized to repel the first sliding block 56 and push the first sliding block out of the fourth working chamber 87, the first compression spring 54 is stretched, when the front end of the first sliding block 56 slides into the fifth working chamber 85, the clamping block 59 is pushed into the fifth working chamber 85 and is clamped under the action of the second compression spring 58, meanwhile, the sliding block contact block 62 is triggered to enter the sixth working chamber 88 under the pushing of the first sliding block 56 and is contacted with the contact sensor 61, at this time, the contact sensor 61 works and transmits a working signal to enable the motor 18 to start working so as to drive the transmission shaft 16 to rotate, the transmission shaft 16, the second bevel gear 36 rotates to drive the third rotating shaft 20 and the first driving gear 23 to rotate in turn, the first driving gear 23 rotates to drive the second driving gear 22 and the fourth rotating shaft 19 to rotate in turn, the fourth rotating shaft 19 rotates to drive the third bevel gear 44 and the fourth bevel gear 45 to rotate in turn, the fourth bevel gear 45 rotates the second rotating shaft 46 to rotate and the second belt pulley 70 to rotate, the second belt pulley 70 rotates to drive the conveying belt 41 to move upwards near the connecting plate 52, the conveying belt 41 moves to drive the brush connecting block 48 and the first slide rail 49 to move upwards in turn, the first slide rail 49 moves upwards to drive the cleaning brush 50, the connecting block 51 and the connecting plate 52 move upwards simultaneously, meanwhile, the third electromagnet 72 continues to work to repel the second electromagnet 60 to move forwards, the second sliding block 60 moves forwards to drive the front end face of the cleaning brush 50 to be finally attached to the surface of the LED display screen 17 to be cleaned, then the cleaning brush 50 rises and performs ash cleaning treatment on the surface of the LED display screen 17, after the first ash cleaning treatment of the screen treatment mechanism 901 on the foremost side is finished, the cleaning brush 50 is driven by the conveyor belt 41, the connecting block 51 and the connecting plate 52 are reset, finally the lower end face of the connecting block 51 is contacted and adsorbed with the fixed sucker 55 again, then the second electromagnet 57 works, namely the magnetizing and attracting fixture block 59 returns to the fourth working cavity 87, meanwhile, the first compression spring 54 drives the first sliding block 56 to return to the fourth working cavity 87, then the third electromagnet 72 works again, and drives the other two groups of cleaning brushes 50 to repeat the actions and perform secondary ash cleaning treatment and wiping treatment respectively;
when the screen processing mechanism 901 performs the first dust cleaning and the second dust cleaning, the one-way flow valve 39 operates to make the connection pipe 40 communicate with the cleaning solution storage chamber 89 and the seventh working chamber 82, the fourth rotating shaft 19 rotates to drive the cam 21 to rotate, when the protruding part of the cam 21 contacts with the upper end surface of the push rod 27, the push rod 27 moves downwards to drive the compression plate 25 to move downwards and compress the space in the seventh working chamber 82 and spray the cleaning solution in the seventh working chamber 82 onto the LED display screen 17 through the cleaning solution spray nozzle 28 to be scraped and cleaned by the cleaning brush 50, and then when the protruding part of the cam 21 does not contact with the upper end surface of the push rod 27, under the action of the fifth compression spring 26, the push rod 27 sucks the standby cleaning solution from the cleaning solution storage chamber 89 through the connection pipe 40 to keep the pressure balance in the seventh working chamber 82 when moving upwards, so as to balance the pressure in the seventh working chamber 82, when the screen processing mechanism 901 performs the drying processing on the screen, the one-way flow valve 39 is closed, so that the cleaning liquid storage cavity 89 is not communicated with the seventh working cavity 82;
after the screen processing mechanism 901 finishes the drying processing of the screen, the fourth electromagnet 73 works to be magnetized to attract the third sliding block 32 to slide downwards and compress the fourth compression spring 33, the third sliding block 32 slides downwards to drive the first bevel gear 31 to slide downwards, the first bevel gear 31 slides downwards to drive the sixth bevel gear 35 to slide downwards through the gear connecting rod 34, when the sixth bevel gear 35 is meshed with the fifth bevel gear 15 to the right end, the transmission shaft 16 rotates to sequentially drive the sixth bevel gear 35 and the fifth bevel gear 15 to rotate, the fifth bevel gear 15 rotates to sequentially drive the fifth rotating shaft 14 and the fan blades 13 to rotate, the fan blades 13 rotate to blow dry the part of the surface of the LED display screen which is not dry, and the screen is prevented from adsorbing dust in the air under the wet condition.
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 (6)
1. The utility model provides a but self-cleaning's outdoor LED screen, includes the fuselage, its characterized in that: the LED screen is fixedly arranged on the rear end face of the machine body, a first working cavity is arranged in the upper end of the machine body, a second working cavity with an upward opening is arranged in the lower end of the machine body and at the lower side of the first working cavity, three screen processing mechanisms which are arranged on the rear side of the LED screen are arranged in the front and at the back of the second working cavity, each screen processing mechanism comprises support columns which are fixedly connected on the inner wall of the lower side of the second working cavity in a bilateral symmetry manner, a fixed suction cup is fixedly arranged at the upper end of each support column, a connecting block is also arranged at the upper end of each fixed suction cup in a contact manner, the two connecting blocks are fixedly connected through a connecting plate, a cleaning brush is fixedly arranged on the upper end face of the connecting plate and the connecting block, a fourth working cavity with an opening far away from the connecting plate is arranged in the connecting, a first compression spring is fixedly arranged on the inner wall of the fourth working cavity close to the connecting plate, the other end of the first compression spring is fixedly provided with a first sliding block which is connected in the fourth working cavity in a sliding manner, the end face of the first sliding block, far away from the connecting plate, is fixedly provided with a trigger contact block, a fourth working cavity is arranged in the upper end of the first sliding block, the inner wall of the lower side of the fourth working cavity is fixedly provided with a second electromagnet, the inner wall of the lower side of the fourth working cavity is also fixedly provided with a second compression spring, the upper end of the second compression spring is fixedly provided with a clamping block which is connected in the fourth working cavity in a sliding manner, first rotating shafts which are positioned at two sides of the cleaning brush and are rotationally connected on the inner walls of the front side and the rear side of the second working cavity are arranged in the second working cavity in a bilateral symmetry manner, a first belt wheel is fixedly arranged on the first rotating shafts, and a second rotating shaft which is, a second belt wheel is fixedly arranged on the second rotating shaft, the second belt wheel is in friction connection with the first belt wheel through a conveying belt, a brush connecting block is fixedly arranged on the end face, close to the connecting plate, of the conveying belt, a first slide rail is fixedly arranged in the end, close to the connecting plate, of the brush connecting block, a fifth working cavity with an opening facing the connecting plate is arranged in the first slide rail, a third electromagnet is fixedly arranged on the inner wall of the rear side of the fifth working cavity, a third compression spring is fixedly arranged at the front end of the third electromagnet, a second sliding block which is connected in the fifth working cavity in a sliding mode is fixedly arranged at the other end of the third compression spring, a contact sensor is fixedly arranged on the inner wall, close to the connecting plate, of the sixth working cavity, far away from the side of the connecting plate, of the second sliding block, and one end, when the device is required to clean the LED display screen, the third electromagnet works to magnetize and repel the second sliding block and push the second sliding block to the two sides of the frontmost screen processing mechanism and stretch the third compression spring, at the moment, the first electromagnet works to magnetize and repel the first sliding block and push the first sliding block out of the fourth working cavity, the first compression spring is stretched, when the front end of the first sliding block slides into the fifth working cavity, the clamping block is pushed into the fifth working cavity and clamped under the action of the second compression spring, meanwhile, the trigger contact block enters the sixth working cavity under the pushing of the first sliding block and is in contact with the contact sensor, at the moment, the contact sensor works and transmits a working signal, and then the second rotating shaft rotates to drive the second belt wheel to rotate clockwise, the second belt wheel rotates to drive the side, close to the connecting plate, of the conveyor belt to move upwards, the conveyor belt moves to sequentially drive the brush connecting block and the first slide rail to move upwards, the first slide rail moves upwards to drive the cleaning brush, the connecting block and the connecting plate move upwards simultaneously, meanwhile, the third electromagnet continues to work to repel the second slide block to move forwards, the second slide block moves forwards to drive the front end face of the cleaning brush to be finally attached to the surface, needing to be cleaned, of the LED display screen, then the cleaning brush rises and carries out dust cleaning treatment on the surface of the LED display screen, after the first dust cleaning treatment of the screen treatment mechanism on the foremost side is finished, the cleaning brush is driven by the conveyor belt, the connecting block and the connecting plate reset to finally enable the lower end face of the connecting block to be contacted with the fixed sucker again and to be adsorbed, then the second electromagnet works, namely, the second electromagnet is magnetized to attract the clamping block to return to the fourth working cavity, meanwhile, the first compression spring drives the first sliding block to return to the fourth working cavity, then the third electromagnet works again to respectively drive the other two groups of cleaning brushes to repeat the actions and respectively carry out secondary ash removal treatment and wiping treatment;
a cleaning block is fixedly arranged in the inner wall of the lower side of the first working cavity, a seventh working cavity is arranged in the cleaning block, nineteen cleaning solution spray heads are arranged in the fixed array of the inner wall of the lower side of the seventh working cavity, three fifth compression springs are arranged in the fixed array of the inner wall of the upper side of the seventh working cavity, a compression plate which is connected in the seventh working cavity in a sliding manner is arranged at the lower end of each fifth compression spring, two push rods are fixedly arranged on the upper end surface of each compression plate in a bilateral symmetry manner, the upper ends of the push rods extend into the first working cavity, a cleaning solution storage block which is fixedly connected to the inner wall of the lower side of the first working cavity is arranged at the front end of each cleaning block, a cleaning solution storage cavity is arranged in each cleaning solution storage block, a liquid filling opening is arranged at the upper end of each cleaning solution storage cavity, the cleaning, when the screen processing mechanism carries out dust cleaning processing on the surface of the LED display screen, the one-way circulation valve works to enable the connecting pipe to enable the cleaning liquid storage cavity and the seventh working cavity to be communicated, the pushing rod moves downwards to drive the compression plate to move downwards and compress the space in the seventh working cavity, the cleaning liquid in the seventh working cavity is sprayed to the LED display screen through the cleaning liquid spray head and waits to be scraped by the cleaning brush, and when the pushing rod moves upwards, the spare cleaning liquid is sucked from the cleaning liquid storage cavity through the connecting pipe in order to keep the pressure balance in the seventh working cavity, so that the pressure in the seventh working cavity is balanced.
2. An outdoor LED screen capable of being cleaned automatically as claimed in claim 1, wherein: a motor positioned on the left side of the screen processing mechanism is fixedly arranged on the inner wall of the lower side of the second working cavity, a transmission shaft is rotatably arranged at the upper end of the motor, the upper end of the transmission shaft extends into the first working cavity, a second slide rail is fixedly arranged in the upper end of the transmission shaft, a first slide cavity with an opening facing left is arranged in the second slide rail, a fourth electromagnet is fixedly arranged on the inner wall of the lower side of the first slide cavity, a fourth compression spring is fixedly arranged at the upper end of the fourth electromagnet, a third slide block which is slidably connected in the first slide cavity is arranged at the upper end of the fourth compression spring, a first bevel gear which is slidably connected on the transmission shaft is fixedly arranged at the left end of the third slide block, a second bevel gear is meshed with the right end of the first bevel gear and is fixedly connected on a third rotating shaft, and the right end of the third rotating shaft is rotatably connected on the inner, the hydraulic working chamber is characterized in that a first transmission gear is fixedly arranged on the third rotating shaft, a second transmission gear is arranged at the lower end of the first transmission gear in a meshed mode, the second transmission gear is fixedly connected to a fourth rotating shaft, the right end of the fourth rotating shaft is rotatably connected to the inner wall of the right side of the first working chamber, third bevel gears fixedly connected to the fourth rotating shaft are symmetrically arranged on two sides of the second transmission gear, a fourth bevel gear is arranged at the rear end of each third bevel gear in a meshed mode, and the fourth bevel gears are fixedly connected to the second rotating shaft.
3. An outdoor LED screen capable of being cleaned automatically as claimed in claim 2, wherein: and cams positioned on the upper side of the push rod are symmetrically and fixedly arranged on the fourth rotating shaft from left to right.
4. An outdoor LED screen capable of being cleaned automatically as claimed in claim 3, wherein: LED display screen left side is equipped with fixed connection and is in air-dry piece on the fuselage terminal surface, be equipped with the air-dry chamber that the opening is towards the right in the air-dry piece, it is equipped with the fifth axis of rotation to rotate on the inner wall of air-dry chamber left side, with the fifth axis of rotation is equipped with four for central circumference array and is located air-dry the fan leaf of intracavity, the fifth axis of rotation left end stretches into the second working chamber is fixed and is equipped with fifth bevel gear, first bevel gear lower extreme bilateral symmetry is equipped with the gear connecting rod, the fixed sliding connection that is equipped with of gear connecting rod lower extreme is in epaxial sixth bevel gear of transmission.
5. An outdoor LED screen capable of being cleaned automatically as claimed in claim 4, wherein:
the rear side of the upper end face of the machine body is provided with a third slide rail, a second sliding cavity with an upward opening is arranged in the third slide rail, a sixth compression spring is fixedly arranged on the inner wall of the front side of the second sliding cavity, the rear end of the sixth compression spring is fixedly provided with a fourth sliding block which is connected in the second sliding cavity in a sliding mode, an apron is arranged at the upper end of the fourth sliding block, during an initial state, the front end of the apron is located on the upper side of the second sliding cavity and enables the second working cavity to be isolated from the outside, and a fifth electromagnet is fixedly arranged on the inner wall of the rear side of the second sliding cavity.
6. An outdoor LED screen capable of being cleaned automatically as claimed in claim 5, wherein:
the first sliding block, the second sliding block, the third sliding block, the fourth sliding block and the clamping blocks are made of magnetic materials.
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| CN202010832704.0A CN111739433B (en) | 2020-08-18 | 2020-08-18 | But self-cleaning's outdoor LED screen |
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| CN202010832704.0A CN111739433B (en) | 2020-08-18 | 2020-08-18 | But self-cleaning's outdoor LED screen |
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| CN111739433B true CN111739433B (en) | 2021-06-11 |
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Effective date of registration: 20210525 Address after: 211800 building 19, No.19, Lanhua Road, Pukou District, Nanjing City, Jiangsu Province Applicant after: NANJING DINGJI TECHNOLOGY Co.,Ltd. Address before: 315300 room <1-2>, building 2, Yuyuan, Gutang street, Cixi, Ningbo, Zhejiang Applicant before: Cixi Baida Electronic Technology Co.,Ltd. |
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