CN209918387U - Multimedia display box with automatic screen cleaning function - Google Patents
Multimedia display box with automatic screen cleaning function Download PDFInfo
- Publication number
- CN209918387U CN209918387U CN201920644886.1U CN201920644886U CN209918387U CN 209918387 U CN209918387 U CN 209918387U CN 201920644886 U CN201920644886 U CN 201920644886U CN 209918387 U CN209918387 U CN 209918387U
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- cleaning
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- water
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Abstract
The utility model discloses a multimedia display box with the function of automatically cleaning a screen, which belongs to the technical field of advertisement, and comprises an advertisement box main body, the left end and the right end of the outer wall of the front side of the advertisement box main body are symmetrically provided with guide posts, the bottom of the outer wall of the front side of the advertisement box main body is provided with a water collecting box, a cleaning piece is movably arranged between the two groups of guide sliding blocks through a bearing, the dust removing part matched with the cleaning part is arranged at the upper position of the inner wall at the rear side of the water collecting tank, the water removing part matched with the cleaning part is arranged at the upper position of the inner wall at the front side of the water collecting tank, the dust removing part and the water removing part are arranged in the utility model, the compression roller tightly presses the sponge block to remove the accumulated water remained on the sponge block, the electric telescopic rod is started to drive the movable plate to reciprocate back and forth, thereby removing the dust remained on the bristles and effectively improving the cleaning quality of the bristles and the sponge block when the bristles and the sponge block are used for a long time.
Description
Technical Field
The utility model relates to an advertisement technical field specifically is a multimedia display case with self-cleaning screen function.
Background
At present, the LCD display screen on the multimedia advertisement case that adopts on the market does not install clean mechanism, long-term use back, can fill up with the dust on the screen, the dirt, influence clear demonstration, it is also pleasing to the eye, though get rid of the dust to the screen through adopting the brush hair and the cooperation of spraying water among the prior art, but in the long-term use, also can remain the dust on the brush hair, need the user of service to regularly clear up, influence subsequent clean quality, it is comparatively troublesome to use, after wasing simultaneously, can remain on the screen has water droplet or water mark, influence the screen and use, we provide a multimedia display case with self-cleaning screen function.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multimedia display case with self-cleaning screen function to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a multimedia display box with an automatic screen cleaning function comprises an advertisement box main body, wherein guide posts are symmetrically arranged at the left end and the right end of the outer wall of the front side of the advertisement box main body, a water collecting box is arranged at the bottom of the outer wall of the front side of the advertisement box main body, stop blocks are symmetrically arranged at the positions, which are close to the upper part, of the inner wall of the left side and the right side of the water collecting box, the bottom of each guide post is connected with the top of the corresponding guide post, a filter screen plate is arranged in the middle of the inner cavity of the water collecting box in a sliding mode, guide sliders are arranged in two groups of guide posts in a sliding mode, a cleaning piece is arranged between the two groups of guide sliders through bearing activity, a first micro servo motor is arranged on the left side of the guide sliders on the left side, a movable port matched with the first micro servo motor is arranged on the, the right guide sliding block is sleeved on the outer wall of the screw rod in a threaded manner, a driven bevel gear is sleeved on the top of the outer wall of the screw rod, a micro servo motor II is arranged on the top of the outer wall of the front side of the right guide post, the two output ends of the micro servo motor penetrate through the front side of the right guide post and are sleeved with a driving bevel gear meshed with the driven bevel gear, the right side of the outer wall of the top of the cleaning piece is provided with a connecting pipe which is communicated with the outer wall of the top of the cleaning piece, the connecting pipe is positioned at the front side of the right guide post, the right side of the bottom of the connecting pipe is connected with a connecting hose which is communicated with the bottom of the connecting pipe, the other end of the connecting hose is connected with a transverse transmission pipe, the other end of the transverse transmission pipe penetrates through the bottom of the outer wall of the right side of the water collecting tank and is connected with the water outlet end of the water pump, the water pump is arranged on the inner wall of the bottom of the water collecting tank, the dust removing device is characterized in that a dust removing piece matched with the cleaning piece is arranged at the position, close to the upper side, of the inner wall of the rear side of the water collecting tank, and a water removing piece matched with the cleaning piece is arranged at the position, close to the upper side, of the inner wall of the front side of the water collecting tank.
Preferably, the cleaning piece includes through two sets of bull sticks of controlling of bearing setting between two sets of direction sliders, controls the relative one end fixedly connected with hollow tube of two sets of bull sticks, the hollow tube rear side outer wall evenly is provided with the brush hair with the laminating of advertisement case main part front side outer wall, the hollow tube rear side outer wall evenly is provided with the infiltration hole with brush hair complex, the hollow tube front side outer wall be provided with advertisement case main part front side outer wall matched with sponge piece.
Preferably, the dust removal piece is including setting up the electric telescopic handle who leans on the position at advertisement case main part rear side outer wall, the electric telescopic handle front end be connected with cleaning piece complex fly leaf, the notch has evenly been seted up to fly leaf top outer wall, the fly leaf bottom left and right sides is all fixed and is provided with the spin, and the dog top sets up the direction spout that matches with the spin, and in the spin embedding direction spout.
Preferably, remove water spare including setting up the loop bar that leans on upper position left and right ends at advertisement case main part front side outer wall, two sets of loop bar rear end outer wall is all movable to be pegged graft and is had the movable rod, movable rod front end outer wall passes through spring and loop bar front side inner wall fixed connection, and is two sets of fixedly between the movable rod is provided with the connection horizontal pole, and connects horizontal pole outer wall activity cup joint with cleaning piece complex compression roller.
Preferably, the filter plate left and right sides all is provided with the forked tail draw runner, and the inner wall of the left and right sides of the advertisement box main part all is provided with the forked tail spout that matches with the forked tail draw runner, and in the forked tail slider embedding forked tail spout.
Preferably, the outer wall of the front side of the water collecting tank is provided with a sealing flip cover, and the sealing flip cover is fixedly connected with the clamping hole of the outer wall of the front side of the water collecting tank through a buckle.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the utility model discloses be provided with dust removal spare and except that the water spare, start two drive cleaning pieces of miniature servo motor and get into the header tank downwards, the hollow tube drives the brush hair downwards, make the brush hair get into the notch on the fly leaf gradually, the sponge piece is downward and the contact of compression roller simultaneously, through the influence of spring, make the compression roller sticis the sponge piece and get rid of the ponding that remains on the sponge piece, start electric telescopic handle and drive the fly leaf reciprocating motion all around, thereby get rid of the dust that remains on the brush hair, can effectual improvement brush hair and the sponge piece clean quality when using for a long time;
2) the utility model discloses be provided with the cleaning member, adopt miniature servo motor one to drive the cleaning member simultaneously and rotate, after getting rid of the dust through the brush hair, can adsorb through the sponge piece and erase remaining drop of water or water mark, do not influence the subsequent use of screen, improve the practicality greatly, be provided with the header tank simultaneously and cross filter plate, filter the back recycle through the water accessible filter plate when wasing, greatly reduced energy resource consumption reduces use cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the cleaning member of the present invention;
fig. 3 is a schematic structural view of the dust removing part of the present invention.
In the figure: 1. an advertisement box main body; 2. a guide post; 3. a water collection tank; 31. a movable opening; 4. a stopper; 5. a filter screen plate; 6. a first micro servo motor; 7. a second micro servo motor; 8. a cleaning member; 81. a hollow tube; 82. a water seepage hole; 83. brushing; 84. a sponge block; 9. a connecting pipe; 10. a connecting hose; 11. a water pump; 12. a dust removal member; 121. an electric telescopic rod; 122. a movable plate; 123. a guide chute; 13. a water removal member; 131. a loop bar; 132. a movable rod; 133. a spring; 134. and (4) pressing the rolls.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a multimedia display box with the function of automatically cleaning a screen comprises an advertisement box main body 1, the advertisement box main body 1 is the prior art, the utility model is mainly used for cleaning the screen of the advertisement box main body 1, so in the attached drawings, the screen of the advertisement box main body 1 is positioned at the front side of the advertisement box main body 1, the left and right ends of the front side outer wall of the advertisement box main body 1 are symmetrically provided with guide posts 2, the guide posts 2 are of a left and right hollow structure (the left side is provided with through holes which penetrate through the right side of the guide posts 2), the bottom of the front side outer wall of the advertisement box main body 1 is provided with a water collecting box 3 for collecting the cleaned wastewater, the upper positions of the left and right inner walls of the water collecting box 3 are symmetrically provided with stop blocks 4, the bottom of the guide posts 2 is connected with the top of the guide posts 2, a cleaning piece 8 can conveniently enter the water collecting box 3 to be placed or be treated by a dust, the cleaning device is used for filtering residual dust in waste water after cleaning, waste water recycling is facilitated, guide sliding blocks are arranged in two groups of guide columns 2 in a sliding mode, the guide sliding blocks are connected with sliding grooves in the inner walls of the front side and the rear side in the guide columns 2 in a sliding mode in a matching mode in a sliding mode, cleaning pieces 8 are arranged between the two groups of guide sliding blocks in a sliding mode through bearings, a first micro servo motor 6 is arranged on the left side of the top of a water collecting tank 3 and connected with an external power supply through a lead wire, the cleaning pieces 8 enter the water collecting tank 3 conveniently, the output end of the first micro servo motor 6 penetrates through the left guide sliding block and is connected with the cleaning pieces 8 (as can be seen from figures The inner wall of the right guide sliding block is movably connected), the right guide sliding block is sleeved on the outer wall of the screw rod in a threaded manner, a driven bevel gear is sleeved on the top of the outer wall of the screw rod, a miniature servo motor II 7 is arranged on the top of the outer wall of the front side of the right guide post 2, the miniature servo motor II 7 is connected with an external power supply through a wire and used for driving the cleaning piece 8 to reciprocate up and down, the output end of the miniature servo motor II 7 penetrates through the front side of the right guide post 2 and is sleeved with a driving bevel gear meshed with the driven bevel gear, a limiting block can be fixedly sleeved on the outer wall of the screw rod to limit the up-down moving range of the cleaning piece 8 and prevent the guide sliding block on the right side from contacting with the driven bevel gear, a connecting pipe 9 communicated with the right side of the outer wall of the, the other end of the connecting hose 10 is connected with a transverse transmission pipe, the other end of the transverse transmission pipe penetrates through the bottom of the outer wall of the right side of the water collecting tank 3 and is connected with the water outlet end of the water pump 11, the water pump 11 is connected with an external power supply through a wire, the water pump 11 is arranged on the inner wall of the bottom of the water collecting tank 3, a dust removing piece 12 matched with the cleaning piece 8 is arranged at the position, close to the upper side, of the inner wall of the rear side of the water collecting tank 3 (the dust removing piece 12 mainly removes dust remaining on the bristles 83), and a water removing piece 13 matched with the cleaning piece 8 is arranged at the position, close to the upper.
Wherein, the cleaning piece 8 comprises a left group of rotating rods and a right group of rotating rods (the output end of a first miniature servo motor 6 is connected with the left end of the left rotating rod) which are arranged between the two groups of guide sliding blocks through a bearing, the opposite ends of the left group of rotating rods and the right group of rotating rods are fixedly connected with a hollow tube 81, the hollow tube 81 is communicated with a connecting tube 9, the outer wall of the rear side of the hollow tube 81 is uniformly provided with bristles 83 which are attached to the outer wall of the front side of the, the dust removal device is used for removing dust on the screen of the advertising box main body 1, the outer wall of the rear side of the hollow pipe 81 is uniformly provided with water seepage holes 82 matched with bristles 83, so that wetting and combing are facilitated, the dust enters the water collecting tank 3 along with water drops, the outer wall of the front side of the hollow pipe 81 is provided with a sponge block 84 matched with the outer wall of the front side of the advertising box main body 1, and the sponge block 84 can be fixed on the hollow pipe 81 in a screw mode and is used for erasing the water drops remained on the screen of the advertising box main body 1;
the dust removing part 12 comprises an electric telescopic rod 121 arranged at the upper position of the outer wall of the rear side of the advertisement box main body 1, the electric telescopic rod 121 is connected with an external power supply through a wire, the front end of the electric telescopic rod 121 is connected with a movable plate 122 matched with the cleaning part 8, notches are uniformly formed in the outer wall of the top of the movable plate 122, bristles 83 enter the notches, dust remained on the bristles 83 is removed through movement of the movable plate 122, rolling balls are fixedly arranged on the left side and the right side of the bottom of the movable plate 122, a guide sliding groove 123 matched with the rolling balls is formed in the top of the stop block 4, and the rolling balls are embedded;
except that the water part 13 comprises loop bars 131 arranged at the left end and the right end close to the upper position of the outer wall at the front side of the advertisement box main body 1, the outer walls at the rear ends of the two sets of loop bars 131 are movably inserted with movable rods 132, the outer wall at the front end of each movable rod 132 is fixedly connected with the inner wall at the front side of the loop bar 131 through a spring 133, a connecting cross rod is fixedly arranged between the two sets of movable rods 132, and the outer wall of the connecting cross rod is movably sleeved with a compression roller 134 matched with the cleaning part 8 and used for compressing the sponge block 84 so as to remove the waste water remained on the;
dovetail slide bars are arranged on the left side and the right side of the filter screen plate 5, dovetail slide grooves matched with the dovetail slide bars are arranged on the inner walls of the left side and the right side of the advertisement box main body 1, and dovetail slide blocks are embedded into the dovetail slide grooves, so that the regular disassembly and maintenance are facilitated;
the outer wall of 3 fronts of header tank is provided with sealed flip, conveniently clears up or dismantles inside filter plate 5 to inside, and sealed flip passes through the card hole fixed connection of buckle and 3 fronts of header tank.
The working principle is as follows: when the cleaning is needed, the second micro servo motor 7 is started to rotate forwards and backwards, the lead screw rotates forwards and backwards through the matching of the driving bevel gear and the driven bevel gear, so that the guide slide block on the right side drives the cleaning piece 8 to move up and down in a reciprocating manner, the water pump 11 is started, the water in the water collecting tank 3 is injected into the hollow pipe 81 through the transverse transmission pipe, the connecting hose 10 and the connecting pipe 9 and flows out of the water seepage hole 82 to be matched with the bristles 83 to remove dust remained on the screen of the advertisement box main body 1, the dust flows downwards along with water droplets to enter the water collecting tank 3 and is filtered through the filter screen plate 5 for recycling, after cleaning, the first micro servo motor 6 is started to drive the cleaning piece 8 to rotate, the sponge block 84 is made to be in contact with the screen of the advertisement box main body 1, the cleaning piece 8 is driven to move up and down through the forward and reverse rotation of the second micro, after wiping, start miniature servo motor 6 and drive cleaning member 8 and rotate and reset to initial condition, start miniature servo motor two 7 and drive cleaning member 8 and get into header tank 3 downwards, hollow tube 81 drives brush hair 83 downwards, make brush hair 83 get into the notch on fly leaf 122 gradually, sponge block 84 is the contact with compression roller 134 downwards simultaneously, influence through spring 133, make compression roller 134 sticis sponge block 84 and get rid of the ponding of remaining on sponge block 84, start electric telescopic handle 121 and drive fly leaf 122 reciprocating motion all around, thereby get rid of the dust of remaining on brush hair 83.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a multimedia display case with self-cleaning screen function, includes advertisement case main part (1), its characterized in that: the advertisement box comprises an advertisement box main body (1), guide posts (2) are symmetrically arranged at the left end and the right end of the outer wall of the front side of the advertisement box main body (1), a water collecting box (3) is arranged at the bottom of the outer wall of the front side of the advertisement box main body (1), stop blocks (4) are symmetrically arranged at positions, which are close to the left inner wall and the right inner wall of the water collecting box (3), the bottoms of the guide posts (2) are connected with the tops of the guide posts (2), a filter screen plate (5) is arranged in the middle of an inner cavity of the water collecting box (3) in a sliding manner, guide sliders are arranged in two groups of the guide posts (2) in a sliding manner, a cleaning piece (8) is arranged between the two groups of the guide sliders through bearing movement, a first micro servo motor (6) is arranged on the left side of the guide sliders on the left side, a movable opening (31) matched with, a screw rod is vertically and movably arranged in the guide post (2) on the right side through a bearing, a guide slide block on the right side is in threaded sleeve joint with the outer wall of the screw rod, a driven bevel gear is in sleeve joint with the top of the outer wall of the guide post (2) on the right side, a micro servo motor II (7) is arranged on the top of the outer wall of the front side of the guide post (2) on the right side, the output end of the micro servo motor II (7) penetrates through the front side of the guide post (2) on the right side and is in sleeve joint with a driving bevel gear meshed with the driven bevel gear, a communicated connecting pipe (9) is arranged on the right side of the outer wall on the top of the cleaning piece (8), the connecting pipe (9) is positioned on the front side of the guide post (2) on the right side, a communicated connecting hose (10) is connected on the right side of the, and water pump (11) sets up at header tank (3) bottom inner wall, the position that header tank (3) rear side inner wall leaned on is provided with and removes dust piece (12) with cleaning member (8) complex, the position that header tank (3) front side inner wall leaned on is provided with and removes water piece (13) with cleaning member (8) complex.
2. The multimedia presentation box with the function of automatically cleaning the screen according to claim 1, wherein: cleaning member (8) include through the bearing setting about between two sets of direction sliders two sets of bull sticks, about two sets of bull sticks relative one end fixedly connected with hollow tube (81), hollow tube (81) rear side outer wall evenly is provided with brush hair (83) with the laminating of advertisement case main part (1) front side outer wall, hollow tube (81) rear side outer wall evenly is provided with and permeates water hole (82) with brush hair (83) complex, hollow tube (81) front side outer wall is provided with advertisement case main part (1) front side outer wall complex sponge piece (84).
3. The multimedia presentation box with the function of automatically cleaning the screen according to claim 1, wherein: dust removal piece (12) lean on electric telescopic handle (121) of upper position including setting up at advertisement case main part (1) rear side outer wall, electric telescopic handle (121) front end be connected with cleaning piece (8) complex fly leaf (122), the notch has evenly been seted up to fly leaf (122) top outer wall, fly leaf (122) bottom left and right sides is all fixed and is provided with the spin, and dog (4) top offer with spin matching direction spout (123), and spin embedding direction spout (123) in.
4. The multimedia presentation box with the function of automatically cleaning the screen according to claim 1, wherein: except that water spare (13) is including setting up loop bar (131) by the upper position left and right ends at advertisement case main part (1) front side outer wall, two sets of loop bar (131) rear end outer wall is all movable to be pegged graft and is had movable rod (132), movable rod (132) front end outer wall passes through spring (133) and loop bar (131) front side inner wall fixed connection, and is two sets of fixed being provided with between movable rod (132) connects the horizontal pole, and connects horizontal pole outer wall activity cup joint with cleaning member (8) complex compression roller (134).
5. The multimedia presentation box with the function of automatically cleaning the screen according to claim 1, wherein: filter otter board (5) left and right sides and all be provided with the forked tail draw runner, and the side inner wall all is provided with the forked tail spout that matches with the forked tail draw runner about advertisement case main part (1), and in the forked tail slider embedding forked tail spout.
6. The multimedia presentation box with the function of automatically cleaning the screen according to claim 1, wherein: the outer wall of the front side of the water collecting tank (3) is provided with a sealing flip cover, and the sealing flip cover is fixedly connected with the clamping hole of the outer wall of the front side of the water collecting tank (3) through a buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920644886.1U CN209918387U (en) | 2019-05-04 | 2019-05-04 | Multimedia display box with automatic screen cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920644886.1U CN209918387U (en) | 2019-05-04 | 2019-05-04 | Multimedia display box with automatic screen cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209918387U true CN209918387U (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920644886.1U Expired - Fee Related CN209918387U (en) | 2019-05-04 | 2019-05-04 | Multimedia display box with automatic screen cleaning function |
Country Status (1)
| Country | Link |
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| CN (1) | CN209918387U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111482390A (en) * | 2020-04-20 | 2020-08-04 | 湖州锦安企业管理咨询有限公司 | Enterprise is explanation curtain self-constriction cleaning device for consultation |
| CN111482386A (en) * | 2020-04-16 | 2020-08-04 | 杭州承隆健康咨询有限公司 | Hidden night cleaning device for exhibition based on principle of photosensitive resistor |
| CN111785188A (en) * | 2020-07-17 | 2020-10-16 | 盐城工学院 | Computer research and development is with propaganda device of taking cleaning function |
| CN112068733A (en) * | 2020-09-08 | 2020-12-11 | 扬州泽米智能科技有限公司 | Embedded touch screen all-in-one machine |
| CN112827881A (en) * | 2021-02-02 | 2021-05-25 | 南通理工学院 | Computer display screen cleaning device |
| CN113245264A (en) * | 2021-05-18 | 2021-08-13 | 深圳市金蝶妙想互联有限公司 | Environment-friendly data acquisition unit with inside automatically cleaning and dampproofing function |
| CN113903276A (en) * | 2021-10-25 | 2022-01-07 | 杭州斯丹德展示制作有限公司 | Luminous lamp box |
| CN114387719A (en) * | 2021-12-28 | 2022-04-22 | 南京财经大学 | Cross-border e-commerce visitor identification device based on AI |
| CN114543201A (en) * | 2022-03-09 | 2022-05-27 | 成都市翔风暖通设备有限责任公司 | Central air conditioning ventilation equipment with improve air quality |
| CN114673889A (en) * | 2022-04-09 | 2022-06-28 | 焦喜存 | High-definition liquid crystal display screen |
| CN114873396A (en) * | 2022-04-26 | 2022-08-09 | 安徽理工大学 | LCD display with liquid crystal light valve |
| CN116959322A (en) * | 2023-09-21 | 2023-10-27 | 合肥国源展览展示有限公司 | Publicity display device of museum |
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2019
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111482386B (en) * | 2020-04-16 | 2021-12-10 | 台州市路桥区洁帝洁具厂 | Hidden night cleaning device for exhibition based on principle of photosensitive resistor |
| CN111482386A (en) * | 2020-04-16 | 2020-08-04 | 杭州承隆健康咨询有限公司 | Hidden night cleaning device for exhibition based on principle of photosensitive resistor |
| CN111482390A (en) * | 2020-04-20 | 2020-08-04 | 湖州锦安企业管理咨询有限公司 | Enterprise is explanation curtain self-constriction cleaning device for consultation |
| CN111785188A (en) * | 2020-07-17 | 2020-10-16 | 盐城工学院 | Computer research and development is with propaganda device of taking cleaning function |
| CN112068733A (en) * | 2020-09-08 | 2020-12-11 | 扬州泽米智能科技有限公司 | Embedded touch screen all-in-one machine |
| CN112068733B (en) * | 2020-09-08 | 2023-09-05 | 扬州泽米智能科技有限公司 | Embedded touch screen all-in-one |
| CN112827881A (en) * | 2021-02-02 | 2021-05-25 | 南通理工学院 | Computer display screen cleaning device |
| CN113245264A (en) * | 2021-05-18 | 2021-08-13 | 深圳市金蝶妙想互联有限公司 | Environment-friendly data acquisition unit with inside automatically cleaning and dampproofing function |
| CN113903276A (en) * | 2021-10-25 | 2022-01-07 | 杭州斯丹德展示制作有限公司 | Luminous lamp box |
| CN114387719A (en) * | 2021-12-28 | 2022-04-22 | 南京财经大学 | Cross-border e-commerce visitor identification device based on AI |
| CN114543201A (en) * | 2022-03-09 | 2022-05-27 | 成都市翔风暖通设备有限责任公司 | Central air conditioning ventilation equipment with improve air quality |
| CN114673889A (en) * | 2022-04-09 | 2022-06-28 | 焦喜存 | High-definition liquid crystal display screen |
| CN114673889B (en) * | 2022-04-09 | 2023-11-03 | 麒麟电子（深圳）有限公司 | High-definition liquid crystal display screen |
| CN114873396A (en) * | 2022-04-26 | 2022-08-09 | 安徽理工大学 | LCD display with liquid crystal light valve |
| CN114873396B (en) * | 2022-04-26 | 2023-11-10 | 安徽理工大学 | LCD display with liquid crystal light valve |
| CN116959322A (en) * | 2023-09-21 | 2023-10-27 | 合肥国源展览展示有限公司 | Publicity display device of museum |
| CN116959322B (en) * | 2023-09-21 | 2024-01-23 | 合肥国源展览展示有限公司 | Publicity display device of museum |
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