CN111223395B - Enterprise popularization display board - Google Patents
Enterprise popularization display board Download PDFInfo
- Publication number
- CN111223395B CN111223395B CN202010038101.3A CN202010038101A CN111223395B CN 111223395 B CN111223395 B CN 111223395B CN 202010038101 A CN202010038101 A CN 202010038101A CN 111223395 B CN111223395 B CN 111223395B
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- Prior art keywords
- display
- water
- fixedly connected
- barrel
- rotating shaft
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 230000001680 brushing effect Effects 0.000 claims abstract description 26
- 238000005201 scrubbing Methods 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 12
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 238000005086 pumping Methods 0.000 claims description 32
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000000694 effects Effects 0.000 abstract description 10
- 239000010865 sewage Substances 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
- B08B11/04—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto specially adapted for plate glass, e.g. prior to manufacture of windshields
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Displays For Variable Information Using Movable Means (AREA)
Abstract
The invention discloses an enterprise promotion display board, which comprises a display cylinder and an automatic cleaning structure, wherein the display cylinder is arranged on the display cylinder; a curved surface display is nested in the display cylinder, and a glass plate is abutted to the outer side of the curved surface display; an automatic cleaning mechanism is arranged on the outer side of the display cylinder and comprises a group of brushing rollers which are symmetrically arranged; the upper end of the brushing roller is connected with a driving mechanism and a water supply mechanism. The invention realizes the circular motion and autorotation of the scrubbing roller, realizes the reciprocating rotation scrubbing of the glass plate and ensures the display effect by the driving mechanism which is provided with the display cylinder and comprises a rotating shaft, a turntable, a gear ring, a driving gear, a rolling gear, a rack ring and a driving motor; the water supply to the scrubbing roller is realized by the reciprocating driving structure comprising the eccentric disc, the clamping frame and the piston rod, the scrubbing with water is carried out, and the cleaning effect is improved; through being equipped with water catch bowl and filter screen, collect clean sewage, avoid polluting all around environment.
Description
Technical Field
The invention relates to the field of enterprise popularization and display instruments, in particular to an enterprise popularization and display board.
Background
Promote the show field in the enterprise, often need use bill-board or show tablet, traditional outdoor show tablet is polluted by rainwater and dust easily, causes the show surface fuzzy, has reduced the bandwagon effect, and show tablet is numerous, and the manual work clearance is unrealistic. The application provides an enterprise promotes show tablet with clean structure guarantees the bandwagon effect.
Disclosure of Invention
The invention aims to provide an enterprise popularization display board to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an enterprise promotion display board comprises a display cylinder and an automatic cleaning structure; a curved surface display is nested in the display cylinder, and a glass plate is abutted to the outer side of the curved surface display; an automatic cleaning mechanism is arranged on the outer side of the display cylinder and comprises a group of brushing rollers which are symmetrically arranged; the upper end of the brushing roller is connected with a driving mechanism and a water supply mechanism.
As a further scheme of the invention: the display tube is a vertically arranged cylindrical tube, the curved surface display is connected with a display controller, the display controller comprises a memory, a display card and a PLC (programmable logic controller), a storage battery is arranged in the display tube, and the glass plate is nested in the side wall of the display tube.
As a further scheme of the invention: the brush bristles are uniformly bonded on the surface of the brushing roller, and water outlet holes which are distributed at equal intervals are formed in the side wall of the brushing barrel.
As a further scheme of the invention: the driving mechanism comprises a rotating shaft fixedly connected with the upper end of the scrubbing roller, the upper end of the display barrel is communicated with a transmission box, the rotating shaft extends into the transmission box, semicircular chutes which are symmetrically arranged are formed in the lower end surface of the transmission box, the semicircular chutes are through grooves, and the rotating shaft penetrates through the semicircular chutes of the pipe; the rotary shaft penetrates through the rotary table and is rotationally connected with the rotary table, the rotary table is nested in the transmission box, the lower end of the rotary table is fixedly connected with a sliding ring, the sliding ring is nested with a sliding rail, the sliding rail is an annular sliding rail, and the sliding rail is fixedly connected with the inner wall of the display barrel; a gear ring is fixed in the middle of the rotary table in an embedded mode, and clamping teeth are arranged on the inner wall of the gear ring; the gear ring is meshed with a driving gear on the inner side, the lower end of the driving gear is connected with an output shaft of a driving motor, the driving motor is fixedly connected with the inner wall of the display barrel and is connected with a PLC (programmable logic controller), and a timing module is arranged in the PLC.
As a further scheme of the invention: the rotating shaft is fixedly sleeved with a rolling gear, the outer side of the rolling gear is meshed with a rack ring, the rack ring is an annular rack ring, and the rack ring is fixedly connected with the inner wall of the transmission case.
As a further scheme of the invention: the rotating shaft is a hollow shaft, the lower end of the rotating shaft is communicated with the inner cavity of the scrubbing roller, the upper end of the rotating shaft is communicated with a water supply mechanism, and the water supply mechanism comprises a water pumping barrel and a water tank; the rotating shaft is connected with a water inlet pipe through a rotating joint, the water inlet pipe is communicated with a water pumping barrel, a first one-way valve is arranged at the communication position of the water inlet pipe and the water pumping barrel, and the first one-way valve prevents water from flowing back to the water pumping barrel; the water pumping cylinder is communicated with a water tank through a water pumping pipe, a second one-way valve is arranged at the position where the water pumping pipe is communicated with the water pumping cylinder, the water tank is fixedly connected with a top plate of the transmission case, and a threaded cover is arranged at the upper end of the water tank.
As a further scheme of the invention: a piston disc is arranged in the water pumping cylinder, a piston rod is fixedly connected with the piston disc, and the piston rod is connected with a reciprocating driving mechanism; the reciprocating driving mechanism comprises an eccentric disc, an eccentric circular groove is formed in the eccentric disc, a clamping frame is clamped on the eccentric disc, and the clamping frame is fixedly connected with the piston rod; the eccentric disc is fixedly connected with the driving gear through a connecting shaft.
As a further scheme of the invention: the scrubbing roller lower extreme fixedly connected with universal ball wheel, universal ball wheel lower extreme butt has the filter screen, and the filter screen outside cover is equipped with the water catch bowl, water catch bowl fixedly connected with base.
Compared with the prior art, the invention has the beneficial effects that: the invention realizes the circular motion and autorotation of the scrubbing roller, realizes the reciprocating rotation scrubbing of the glass plate and ensures the display effect by the driving mechanism which is provided with the display cylinder and comprises a rotating shaft, a turntable, a gear ring, a driving gear, a rolling gear, a rack ring and a driving motor; the water supply to the scrubbing roller is realized by the reciprocating driving structure comprising the eccentric disc, the clamping frame and the piston rod, the scrubbing with water is carried out, and the cleaning effect is improved; through being equipped with water catch bowl and filter screen, collect clean sewage, avoid polluting all around environment.
Drawings
FIG. 1 is a perspective view of an enterprise promotional display board;
FIG. 2 is a schematic diagram of an internal structure of an enterprise promotion display board;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 1-a base; 2-a display cartridge; 3-curved surface display; 4-a glass plate; 5-a display controller; 6-a brushing roller; 7-a rotating shaft; 8-rotating disc; 9-a gear ring; 10-a drive gear; 11-slip ring; 12-a slide rail; 13-a drive motor; 14-rolling gear; 15-a rack ring; 16-a rotary joint; 17-a water inlet pipe; 18-a water pumping cylinder; 19-a water pumping pipe; 20-a water tank; 21-a piston disc; 22-a piston rod; 23-a snap frame; 24-an eccentric disc; 25-eccentric circular groove; 26-a connecting shaft; 27-a universal ball wheel; 28-a water collecting cylinder; 29-filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, in an embodiment of the present invention, an enterprise promotion display board includes a display cylinder 2 and an automatic cleaning structure; the display tube 2 is a vertically arranged columnar tube, the curved surface display 3 is nested in the display tube 2, the curved surface display 3 is connected with the display controller 5, the display controller 5 comprises a memory, a display card and a PLC (programmable logic controller), the display controller 5 comprising the memory, the display card and the PLC is the prior art, in addition, a storage battery is arranged in the display tube 2, the display tube 2 is convenient to be bound by a cable for worship and hold, outdoor display or indoor movable display is carried out, and the application is not repeated; the outer side of the curved surface display 3 is abutted with a glass plate 4, and the glass plate 4 is nested in the side wall of the display barrel 2 to protect the curved surface display 3.
In order to ensure the display effect and avoid the pollution of the glass plate 4 during outdoor display; an automatic cleaning mechanism is arranged on the outer side of the display barrel 2 and comprises a group of brushing rollers 6 which are symmetrically arranged, bristles are uniformly bonded on the surfaces of the brushing rollers 6, and water outlet holes which are distributed at equal intervals are formed in the side walls of the brushing rollers 6; the upper end of the brushing roller 6 is connected with a driving mechanism and a water supply mechanism; the driving mechanism comprises a rotating shaft 7 fixedly connected with the upper end of the scrubbing roller 6, the upper end of the display barrel 2 is communicated with a transmission box, the rotating shaft 7 extends into the transmission box, the lower end surface of the transmission box is provided with symmetrically arranged semicircular chutes which are through grooves, and the rotating shaft 7 penetrates through the semicircular chutes of the pipe; the rotating shaft 7 penetrates through the rotating disc 8 and is rotationally connected with the rotating disc 8, the rotating disc 8 is nested in the transmission box, the lower end of the rotating disc 8 is fixedly connected with a sliding ring 11, the sliding ring 11 is nested with a sliding rail 12, the sliding rail 12 is an annular sliding rail, and the sliding rail 12 is fixedly connected with the inner wall of the display barrel 2; a gear ring 9 is fixed in the middle of the rotary table 8 in an embedded mode, and clamping teeth are arranged on the inner wall of the gear ring 9; the inboard meshing of gear ring 9 has drive gear 10, and drive gear 10 lower extreme is connected with driving motor 13's output shaft, and driving motor 13 and 2 inner wall fixed connection of a show section of thick bamboo, driving motor 13 are connected with the PLC controller, are equipped with timing module in the PLC controller, and periodic start driving motor 13 cleans a show section of thick bamboo 2.
When the automatic cleaning mechanism works, the driving motor 13 drives the gear ring 9 and the rotating disc 8 to rotate through the driving gear 10, and further drives the rotating shaft 7 and the brushing roller 6 to do circular motion.
A rolling gear 14 is fixedly sleeved on the rotating shaft 7, a rack ring 15 is meshed on the outer side of the rolling gear 14, the rack ring 15 is an annular rack ring, and the rack ring 15 is fixedly connected with the inner wall of the transmission case; specifically, when the rotating shaft 7 and the brushing roller 6 do circular motion, the rolling gear 14 rolls on the rack ring 15, so as to drive the rotating shaft 7 and the brushing roller 6 to rotate, further to realize the rotating brushing of the brushing roller 6, and to improve the cleaning effect of the brushing roller 6.
The rotating shaft 7 is a hollow shaft, the lower end of the rotating shaft 7 is communicated with the inner cavity of the brushing roller 6, the upper end of the rotating shaft 7 is communicated with a water supply mechanism, and the water supply mechanism comprises a water pumping barrel 18 and a water tank 20; the rotating shaft 7 is connected with a water inlet pipe 17 through a rotating joint 16, the water inlet pipe 17 is communicated with a water pumping barrel 18, a first one-way valve is arranged at the communication position of the water inlet pipe 17 and the water pumping barrel 18, and the first one-way valve prevents water from flowing back to the water pumping barrel 18; the water pumping barrel 18 is communicated with a water tank 20 through a water pumping pipe 19, a second one-way valve is arranged at the communication position of the water pumping pipe 19 and the water pumping barrel 18, the water tank 20 is fixedly connected with a top plate of the transmission case, and a threaded cover is arranged at the upper end of the water tank 20 to conveniently inject water into the water tank 20.
A piston disc 21 is arranged in the water pumping cylinder 18, the piston disc 21 is fixedly connected with a piston rod 22, the piston rod 22 is connected with a reciprocating driving mechanism, the reciprocating driving mechanism drives the piston disc 21 to reciprocate in the water pumping cylinder 18, and water in the water tank 20 is pumped into the brushing roller 6 to be sprayed out, so that water supply is realized; the reciprocating driving mechanism comprises an eccentric disc 24, an eccentric circular groove 25 is arranged on the eccentric disc 24, a clamping frame 23 is clamped on the eccentric disc 24, and the clamping frame 23 is fixedly connected with the piston rod 22; the eccentric disc 24 is fixedly connected with the driving gear 10 through a connecting shaft 26, specifically, when the driving gear 10 rotates, the driving gear drives the eccentric disc 24 to rotate, and the eccentric disc 24 drives the piston rod 22 and the piston disc 21 to move back and forth through the clamping frame 23, so that water pumping and water injection of the water pumping barrel 18 are realized.
Example 2
This example differs from example 1 in that: the lower end of the brushing roller 6 is fixedly connected with a universal ball wheel 27, so that the rotation stability of the brushing roller 6 is improved; universal ball wheel 27 lower extreme butt has filter screen 29, and filter screen 29 outside cover is equipped with water catch bowl 28, and water catch bowl 28 is collected the sewage that the washing produced, avoids sewage trickling at will, and water catch bowl 28 fixedly connected with base 1, base 1 are the disc base, improve the stability of a show section of thick bamboo 2.
The following are specifically mentioned: the curved surface display and the display controller in the application are the prior art; the display cylinder, the brushing roller, the driving mechanism and the water supply mechanism are innovation points of the application; the circular motion and the autorotation of the scrubbing roller are realized through the driving mechanism which is provided with the display cylinder and comprises a rotating shaft, a rotating disc, a gear ring, a driving gear, a rolling gear, a rack ring and a driving motor, the reciprocating rotation scrubbing of the glass plate is realized, and the display effect is ensured; the water supply to the scrubbing roller is realized by the reciprocating driving structure comprising the eccentric disc, the clamping frame and the piston rod, the scrubbing with water is carried out, and the cleaning effect is improved; through being equipped with water catch bowl and filter screen, collect clean sewage, avoid polluting all around environment.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An enterprise promotion display board comprises a display cylinder (2) and an automatic cleaning structure; the display device is characterized in that a curved surface display (3) is nested in the display cylinder (2), and a glass plate (4) is abutted to the outer side of the curved surface display (3); an automatic cleaning mechanism is arranged on the outer side of the display cylinder (2), and comprises a group of brushing rollers (6) which are symmetrically arranged; the upper end of the scrubbing roller (6) is connected with a driving mechanism and a water supply mechanism, the driving mechanism comprises a rotating shaft (7) fixedly connected with the upper end of the scrubbing roller (6), the upper end of the display barrel (2) is communicated with a transmission box, the rotating shaft (7) extends into the transmission box, the lower end surface of the transmission box is provided with symmetrically arranged semicircular chutes which are through grooves, and the rotating shaft (7) penetrates through the semicircular chutes; the rotary shaft (7) penetrates through the rotary disc (8) and is rotatably connected with the rotary disc (8), the rotary disc (8) is nested in the transmission box, the lower end of the rotary disc (8) is fixedly connected with a sliding ring (11), the sliding ring (11) is nested with a sliding rail (12), the sliding rail (12) is an annular sliding rail, and the sliding rail (12) is fixedly connected with the inner wall of the display barrel (2); a gear ring (9) is fixed in the middle of the rotary table (8) in an embedded mode, and clamping teeth are arranged on the inner wall of the gear ring (9); a driving gear (10) is meshed on the inner side of the gear ring (9), the lower end of the driving gear (10) is connected with an output shaft of a driving motor (13), the driving motor (13) is fixedly connected with the inner wall of the display barrel (2), the driving motor (13) is connected with a PLC (programmable logic controller), a timing module is arranged in the PLC, the rotating shaft (7) is a hollow shaft, the lower end of the rotating shaft (7) is communicated with the inner cavity of the scrubbing roller (6), the upper end of the rotating shaft (7) is communicated with a water supply mechanism, and the water supply mechanism comprises a water pumping barrel (18) and a water tank (20); the rotating shaft (7) is connected with a water inlet pipe (17) through a rotating joint (16), the water inlet pipe (17) is communicated with a water pumping barrel (18), a first one-way valve is arranged at the communication position of the water inlet pipe (17) and the water pumping barrel (18), and the first one-way valve prevents water from flowing back to the water pumping barrel (18); the water pumping cylinder (18) is communicated with a water tank (20) through a water pumping pipe (19), a second one-way valve is arranged at the communication position of the water pumping pipe (19) and the water pumping cylinder (18), the water tank (20) is fixedly connected with a top plate of a transmission box, and a threaded cover is arranged at the upper end of the water tank (20).
2. The enterprise promotion display board according to claim 1, wherein the display barrel (2) is a vertically arranged cylindrical barrel, the curved surface display (3) is connected with a display controller (5), the display controller (5) comprises a memory, a display card and a PLC (programmable logic controller), a storage battery is arranged in the display barrel (2), and the glass plate (4) is nested in the side wall of the display barrel (2).
3. The enterprise promotion and display board according to claim 1, wherein the brush hair is uniformly adhered on the surface of the brushing roller (6), and the side wall of the brushing roller (6) is provided with water outlet holes which are distributed at equal intervals.
4. The enterprise promotion display board according to claim 1, wherein a rolling gear (14) is fixedly sleeved on the rotating shaft (7), a rack ring (15) is meshed on the outer side of the rolling gear (14), the rack ring (15) is an annular rack ring, and the rack ring (15) is fixedly connected with the inner wall of the transmission case.
5. The enterprise promotion display board according to claim 1, wherein a piston disc (21) is arranged in the water pumping cylinder (18), the piston disc (21) is fixedly connected with a piston rod (22), and the piston rod (22) is connected with a reciprocating driving mechanism; the reciprocating driving mechanism comprises an eccentric disc (24), an eccentric circular groove (25) is formed in the eccentric disc (24), a clamping frame (23) is clamped on the eccentric disc (24), and the clamping frame (23) is fixedly connected with the piston rod (22); the eccentric disc (24) is fixedly connected with the driving gear (10) through a connecting shaft (26).
6. The enterprise promotion display board according to claim 5, wherein the lower end of the brushing roller (6) is fixedly connected with a universal ball wheel (27), the lower end of the universal ball wheel (27) is abutted with a filter screen (29), a water collecting tank (28) is sleeved on the outer side of the filter screen (29), and the water collecting tank (28) is fixedly connected with the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010038101.3A CN111223395B (en) | 2020-01-14 | 2020-01-14 | Enterprise popularization display board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010038101.3A CN111223395B (en) | 2020-01-14 | 2020-01-14 | Enterprise popularization display board |
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| Publication Number | Publication Date |
|---|---|
| CN111223395A CN111223395A (en) | 2020-06-02 |
| CN111223395B true CN111223395B (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010038101.3A Active CN111223395B (en) | 2020-01-14 | 2020-01-14 | Enterprise popularization display board |
Country Status (1)
| Country | Link |
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| CN (1) | CN111223395B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714960A (en) * | 2020-06-22 | 2020-09-29 | 吴江市恒泰混凝土制品有限公司 | Waste recovery system of concrete mixing plant |
| CN113522834B (en) * | 2021-07-27 | 2022-04-22 | 杨海燕 | Health education intelligence propaganda stand |
| CN113674526A (en) * | 2021-08-19 | 2021-11-19 | 上海工程技术大学 | Intelligent security traffic alarm device |
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| CN207152228U (en) * | 2017-02-28 | 2018-03-30 | 梅英姿 | A kind of cylinder intelligent cleaning brush |
| CN208819561U (en) * | 2018-09-25 | 2019-05-03 | 王逸人 | A kind of city illumination Sign lapm cabinet of automated cleaning |
| CN109785736A (en) * | 2019-01-07 | 2019-05-21 | 张光耀 | A kind of highway automatically cleaning energy-saving signboard |
| CN209087341U (en) * | 2018-08-29 | 2019-07-09 | 深圳市松安实业有限公司 | One kind being convenient for clean billboard |
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2020
- 2020-01-14 CN CN202010038101.3A patent/CN111223395B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357475A (en) * | 2011-09-26 | 2012-02-22 | 李广坦 | Device for automatically removing small advertisements on street lamp poles |
| KR20130105959A (en) * | 2012-03-19 | 2013-09-27 | 박찬호 | Display device of public space |
| CN203750885U (en) * | 2014-03-25 | 2014-08-06 | 台州创兴环保科技有限公司 | Cleaning device for advertising board |
| CN205541787U (en) * | 2016-04-28 | 2016-08-31 | 肖晓 | Take bill -board of self -cleaning device |
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| CN206757463U (en) * | 2017-04-12 | 2017-12-15 | 江苏虹天电器有限公司 | It is a kind of can automated cleaning screen display |
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| CN111223395A (en) | 2020-06-02 |
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