CN112605012A - A purify subassembly that is used for information service of tourist attraction to use display screen - Google Patents

A purify subassembly that is used for information service of tourist attraction to use display screen Download PDF

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Publication number
CN112605012A
CN112605012A CN202011219007.4A CN202011219007A CN112605012A CN 112605012 A CN112605012 A CN 112605012A CN 202011219007 A CN202011219007 A CN 202011219007A CN 112605012 A CN112605012 A CN 112605012A
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CN
China
Prior art keywords
display screen
gear
temperature
fixed mounting
fixedly provided
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011219007.4A
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Chinese (zh)
Inventor
李斌
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Hangzhou Ludai Technology Co ltd
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Hangzhou Ludai Technology Co ltd
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Publication date
Application filed by Hangzhou Ludai Technology Co ltd filed Critical Hangzhou Ludai Technology Co ltd
Priority to CN202011219007.4A priority Critical patent/CN112605012A/en
Publication of CN112605012A publication Critical patent/CN112605012A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/30Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/10Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/14Wipes; Absorbent members, e.g. swabs or sponges
    • B08B1/143Wipes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/30Monitoring
    • G06F11/3058Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Road Signs Or Road Markings (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention provides a purification assembly of a display screen for information service of tourist attractions, which comprises an upright post, wherein an equipment box is fixedly installed at the top of the upright post, a display screen is fixedly installed on the right side of the equipment box, a storage battery is fixedly installed at the bottom of the inner cavity of the equipment box, a fan is fixedly installed on the left side of the equipment box, an air wheel shaft is fixedly installed on the right side of the fan, a driving wheel is fixedly installed on the left side of the air wheel shaft, and a first gear is movably installed at the bottom of the driving wheel. This a purification subassembly of display screen for information service for tourist attraction, through setting up temperature-sensing ware and thermoregulation box, utilize the temperature variation of temperature-sensing ware monitoring display screen, then data conduction to the temperature detect switch that will collect, utilize the temperature detect switch to open the temperature variation of pipe automatic control thermoregulation box that adjusts the temperature to make the display screen temperature be in normal condition, prevent that the display screen from crossing because the temperature is too high or low excessively, thereby reduce life.

Description

A purify subassembly that is used for information service of tourist attraction to use display screen
Technical Field
The invention relates to the technical field of display equipment, in particular to a purification assembly of a display screen for information service of tourist attractions.
Background
The display screen is an input/output device for a computer, generally refers to a display tool of an information system integration service that displays certain electronic documents or images on a screen through a specific transmission device and reflects the electronic documents or images to human eyes, and with the development of the times, the technology level is continuously improved, various technological products are applied to real life to provide more comfortable life experience for the public, and the display screen is one of the technological products which is widely applied.
The display screen is through better screen display, utilize the reflection effect of light, thereby feel for the better vision of viewer, generally be used for school's education, the seminar study, commercial building advertisement is thrown a sight and tourist attraction project position mark etc., wherein at the entry and the key region of some famous tourist attractions, the information service display screen is very common, mainly provide timely information public notice for the visitor, sight spot location and advertisement are put, but because weather environment, and reasons such as visitor's current, the trace such as various dust and rainwater is stained with often on the display screen surface, simultaneously because long-time use, the inside heat of display screen can't in time be dispersed out, thereby influence the watching of visitor and reduce the life of display screen.
Therefore, it is urgently needed to provide a purification component of a display screen for information service of tourist attractions, which is convenient for automatically cleaning the surface of the display screen and cooling the inside of the display screen.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a purification assembly for a display screen for information service of a tourist attraction, which is achieved by the following specific technical means:
a purification assembly for a display screen for information service of tourist attractions comprises a stand column, wherein an equipment box is fixedly mounted at the top of the stand column, a display screen is fixedly mounted at the right side of the equipment box, a storage battery is fixedly mounted at the bottom of an inner cavity of the equipment box, a fan is fixedly mounted at the left side of the equipment box, an air wheel shaft is fixedly mounted at the right side of the fan, a driving wheel is fixedly mounted at the left side of the air wheel shaft, a first gear is movably mounted at the bottom of the driving wheel, a temperature control switch is movably mounted at the right side of the first gear, a second gear is fixedly mounted at the top of the driving wheel, a cross rod is fixedly mounted on the outer surface of the second gear, a water drain switch is movably mounted at the left side of the second gear, a bobbin is movably mounted at the right side of the second gear, a silk thread is fixedly connected to the outer, the utility model discloses a display screen, including display screen inner chamber, temperature regulation box, inner chamber fixed mounting of temperature regulation box, the inner chamber fixed mounting at display screen top has the water tank, the equal fixed mounting in the left and right sides of water tank has automatically controlled board, the bottom fixed mounting of automatically controlled board has the water pipe, the equal fixed mounting in the left and right sides of display screen has the slide rail, the top fixed mounting of slide rail has clean pole, the outer fixed surface of clean pole installs clean cotton, the middle part fixed mounting of clean pole has the fixed column, the outer movable mounting of surface of fixed column has the ring, the bottom fixed mounting of ring has expanding spring, the bottom movable mounting of clean pole has the shift switch.
As optimization, action wheel, first gear, temperature detect switch, second gear, the switch that drains and line section of thick bamboo all are in the coplanar, and this plane is located the left side of display screen inner chamber, pass through rodent swing joint between action wheel and first gear and the second gear, the diameter of action wheel is greater than the diameter of first gear and second gear to when the action wheel rotates, drive first gear and second gear and rotate, and the action wheel rotates the round, and first gear and second gear rotate a check.
As optimization, pass through electric wire electric connection between temperature-sensing ware, temperature detect switch, the thermoregulation case to the temperature-sensing ware is collected the temperature data of display screen and is conducted to temperature detect switch, is started the regulation temperature by temperature detect switch control thermoregulation case, thereby controls the temperature of display screen, protects the display screen.
Preferably, the water discharging switch is electrically connected with the electric control board through an electric wire, so that the water discharging switch is turned on after the second gear rotates for one circle, the electric control board is turned on, water flows out of the water tank into the water pipe, and then flows into the cleaning cotton uniformly through the water pipe.
As an optimization, the left end and the spool fixed connection of silk thread, the right-hand member and the ring fixed connection of silk thread, the inside fixed mounting of spool has torsion spring for after the spool all was rolled up the silk thread, drive the ring and remove to the bottom of fixed column, make the cleaning rod level straighten, trigger the shift switch simultaneously, after a period, under torsion spring and expanding spring's effect, the silk thread automatic re-setting is to initial state.
As optimization, clean pole and the laminating of display screen surface, clean pole is out of work, and under expanding spring's effect, the middle part contained angle is less than one hundred eighty degrees to under expanding spring's effect, the ordinary lax state of clean pole is favorable to the protection of clean pole inner structure.
As optimization, the fan is electrically connected with the storage battery through the wind wheel shaft, so that natural wind blowing at ordinary times in scenic spots is utilized to drive the fan to rotate, wind energy is converted into electric energy through the wind wheel shaft and stored in the storage battery, and electric power resources are saved.
The invention has the following beneficial effects:
1. this a purification subassembly of display screen for information service for tourist attraction, through setting up temperature-sensing ware and thermoregulation box, utilize the temperature variation of temperature-sensing ware monitoring display screen, then data conduction to the temperature detect switch that will collect, utilize the temperature detect switch to open the temperature variation of pipe automatic control thermoregulation box that adjusts the temperature to make the display screen temperature be in normal condition, prevent that the display screen from crossing because the temperature is too high or low excessively, thereby reduce life.
2. This a purification subassembly of display screen for information service for tourist attraction through setting up clean pole and expanding spring, utilizes clean pole and clean cotton, cooperates the rotation of second gear for clean pole is automatic to be slided down in certain time, thereby the surface of clean display screen, and expanding spring's installation makes simultaneously, and clean pole is in the lax state when out of work, prevents that clean pole is in operating condition and then takes place to damage for a long time.
3. This a purification subassembly that is used for information service of tourist attraction to use display screen, through setting up the action wheel, first gear and second gear, utilize the diameter size of the difference between action wheel and first gear and the second gear, thereby make after the action wheel rotates the multiturn, first gear and second gear just rotate the round, thereby reach the effect of timing control attemperator and clean pole work, compare in other timing equipment, this device utilizes mechanical transmission automatic timing, the use of having practiced thrift electric power resource.
Drawings
Fig. 1 is a front sectional view of the overall structure of the present invention.
Fig. 2 is a plan view of the driving wheel structure of the present invention.
Fig. 3 is a front sectional view of the top structure of the display screen of the present invention.
FIG. 4 is a schematic view of the structure at A of FIG. 3 according to the present invention.
In the figure: 1. a column; 2. an equipment box; 3. a display screen; 4. a storage battery; 5. a fan; 6. a wind wheel shaft; 7. a driving wheel; 8. a first gear; 9. a temperature control switch; 10. a second gear; 11. a cross bar; 12. a water discharge switch; 13. a bobbin; 14. a silk thread; 15. a temperature sensor; 16. a temperature regulating box; 17. a temperature regulating tube; 18. a water tank; 19. an electric control board; 20. a water pipe; 21. a slide rail; 22. a cleaning rod; 23. cleaning cotton; 24. fixing a column; 25. a circular ring; 26. a tension spring; 27. the switch is moved.
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.
Referring to fig. 1-4, a purifying assembly for a display screen for information service of tourist attractions comprises an upright post 1, an equipment box 2 is fixedly installed at the top of the upright post 1, a display screen 3 is fixedly installed at the right side of the equipment box 2, a storage battery 4 is fixedly installed at the bottom of an inner cavity of the equipment box 2, a fan 5 is fixedly installed at the left side of the equipment box 2, an air wheel shaft 6 is fixedly installed at the right side of the fan 5, a driving wheel 7 is fixedly installed at the left side of the air wheel shaft 6, a first gear 8 is movably installed at the bottom of the driving wheel 7, a temperature control switch 9 is movably installed at the right side of the first gear 8, a second gear 10 is fixedly installed at the top of the driving wheel 7, a cross rod 11 is fixedly installed on the outer surface of the second gear 10, a water drain switch 12 is movably installed at the left side of the second gear 10, a bobbin, the top fixed mounting of 3 inner chambers of display screen has temperature-sensing ware 15, the middle part fixed mounting of 3 inner chambers of display screen has temperature regulating box 16, the inner chamber fixed mounting of temperature regulating box 16 has temperature regulating pipe 17, the inner chamber fixed mounting at 3 tops of display screen has water tank 18, the equal fixed mounting in the left and right sides of water tank 18 has automatically controlled board 19, the bottom fixed mounting of automatically controlled board 19 has water pipe 20, the equal fixed mounting in the left and right sides of display screen 3 has slide rail 21, the top fixed mounting of slide rail 21 has cleaning rod 22, cleaning rod 22's surface fixed mounting has clean cotton 23, cleaning rod 22's middle part fixed mounting has fixed column 24, the surface movable mounting of fixed column 24 has ring 25, ring 25's bottom fixed mounting has expanding spring 26, cleaning rod 22's bottom movable mounting has mobile switch 27.
Wherein, action wheel 7, first gear 8, temperature detect switch 9, second gear 10, the switch 12 that drains and line section of thick bamboo 13 all are in the coplanar, and this plane is located the left side of 3 inner chambers of display screen, through rodent swing joint between action wheel 7 and first gear 8 and the second gear 10, the diameter of action wheel 7 is greater than the diameter of first gear 8 and second gear 10, thereby when action wheel 7 rotates, drive first gear 8 and second gear 10 and rotate, and action wheel 7 rotates the round, first gear 8 and second gear 10 rotate a check.
Wherein, through electric wire electric connection between temperature-sensing ware 15, temperature detect switch 9, the temperature regulation case 16 to temperature-sensing ware 15 conducts the temperature data collection of display screen 3 to temperature detect switch 9, starts temperature regulation by temperature detect switch 9 control temperature regulation case 16, thereby controls the temperature of display screen 3, protection display screen 3.
The water discharging switch 12 is electrically connected with the electric control board 19 through an electric wire, so that after the second gear 10 rotates for one circle, the water discharging switch 12 is turned on, the electric control board 19 is turned on, water flows out of the water tank 18 into the water pipe 20, and then flows into the cleaning cotton 23 through the water pipe 20.
Wherein, the left end and the line section of thick bamboo 13 fixed connection of silk thread 14, the right-hand member and the ring 25 fixed connection of silk thread 14, the inside fixed mounting of line section of thick bamboo 13 has torsion spring for after line section of thick bamboo 13 is whole with silk thread 14 roll up, drive ring 25 and remove to the bottom of fixed column 24, make the cleaning rod 22 level straighten, trigger simultaneously and move switch 27, after a period, under torsion spring and expanding spring 26's effect, silk thread 14 automatic re-setting to initial state.
Wherein, the laminating of 3 surfaces outside clean pole 22 and the display screen, clean pole 22 is out of work, and under expanding spring 26's effect, the middle part contained angle is less than one hundred eighty degrees to under expanding spring 26's effect, the ordinary lax state of clean pole 22 is favorable to the protection of clean pole 22 inner structure.
Wherein, fan 5 passes through wind wheel axle 6 and battery 4 electric connection to utilize the natural wind that blows at the scenic spot at ordinary times to drive the rotation of fan 5, thereby convert wind energy into the electric energy through wind wheel axle 6 and store to battery 4 in, thereby saved the electric power resource.
When the device is used, whether the structure of each part of the device is normal is checked firstly, then the water tank 18 is filled with clean water, when the device works, the fan 5 automatically rotates under the blowing of natural wind due to the surrounding environment, so as to drive the wind wheel shaft 6 to rotate, the wind wheel shaft 6 is electrically connected with the storage battery 4 through an electric wire, so that wind energy generated by the fan 5 is converted into electric energy to be stored in the storage battery 4, meanwhile, the right side of the wind wheel shaft 6 is fixedly connected with the driving wheel 7, because the driving wheel 7, the first gear 8, the temperature control switch 9, the second gear 10, the water discharge switch 12 and the wire barrel 13 are all positioned on the same plane, the plane is positioned on the left side of the inner cavity of the display screen 3, the water discharge switch 12 is positioned on the left side of the second gear 10, the wire barrel 13 is positioned on the right side of the second gear 10, the temperature control switch 9 is positioned on the right side of the first gear 8, the driving wheel 7 is, the diameter of the driving wheel 7 is larger than the diameter of the first gear 8 and the second gear 10, so that the driving wheel 7 rotates for a plurality of circles to drive the first gear 8 and the second gear 10 to rotate for one circle, thereby driving the temperature control switch 9, the drain switch 12 and the bobbin 13 to open and contract, so that the temperature adjusting box 16 automatically controls the temperature change of the temperature adjusting pipe 17 according to the data collected by the temperature sensor 15, thereby controlling the temperature adjusting box 16 to adjust the temperature of the display screen 3, preventing the service life of the display screen 3 from being reduced due to overhigh temperature or overlow temperature of the display screen 3, simultaneously, the second gear 10 rotates for one circle to open the drain switch 12, so that the electric control board 19 automatically opens, thereby cleaning water in the water tank 18 enters the outer surface of the cleaning cotton 23 through the electric control board 19 and the water pipe 20, and because the left end of the silk thread 14 is fixedly connected to the outer surface of the second gear 10, the middle part of the silk thread 14 is, the right end of the silk thread 14 is fixedly connected to the outer surface of the circular ring 25, so that the second gear 10 rotates to drive the circular ring 25 to move downwards through the silk thread 14, the telescopic spring 26 is pressed to drive the middle of the cleaning rod 22 to move downwards, the left side and the right side of the cleaning rod 22 are both positioned on a horizontal plane, meanwhile, the downward movement of the cleaning rod 22 starts the movable switch 27, the cleaning rod 22 slides up and down in the slide rail 21 under the control of the movable switch 27, the outer surface of the display screen 3 is cleaned and dedusted, traces formed on the outer surface of the display screen 3 due to rain, dust and the like are eliminated, compared with other structures of the same type, the device collects wind energy through the rotation of the fan 5 and converts the wind energy into electric energy for storage, meanwhile, the fan 5 is used for driving the driving wheel 7 to rotate, and the effects of temperature regulation inside, not only energy-concerving and environment-protective, simple structure moreover, easy maintenance.
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 (7)

1. The utility model provides a purification subassembly that is used for information service of tourist attraction to use display screen, includes stand (1), its characterized in that: the top of the upright post (1) is fixedly provided with an equipment box (2), the right side of the equipment box (2) is fixedly provided with a display screen (3), the bottom of an inner cavity of the equipment box (2) is fixedly provided with a storage battery (4), the left side of the equipment box (2) is fixedly provided with a fan (5), the right side of the fan (5) is fixedly provided with a wind wheel shaft (6), the left side of the wind wheel shaft (6) is fixedly provided with a driving wheel (7), the bottom of the driving wheel (7) is movably provided with a first gear (8), the right side of the first gear (8) is movably provided with a temperature control switch (9), the top of the driving wheel (7) is fixedly provided with a second gear (10), the outer surface of the second gear (10) is fixedly provided with a cross rod (11), and the left side of the second gear (10) is movably provided, the right side movable mounting of second gear (10) has a line section of thick bamboo (13), the external fixed surface of a line section of thick bamboo (13) is connected with silk thread (14), the top fixed mounting of display screen (3) inner chamber has temperature-sensing ware (15), the middle part fixed mounting of display screen (3) inner chamber has temperature regulating box (16), the inner chamber fixed mounting of temperature regulating box (16) has temperature regulating pipe (17), the inner chamber fixed mounting at display screen (3) top has water tank (18), the equal fixed mounting in the left and right sides of water tank (18) has automatically controlled board (19), the bottom fixed mounting of automatically controlled board (19) has water pipe (20), the equal fixed mounting in the left and right sides of display screen (3) has slide rail (21), the top fixed mounting of slide rail (21) has clean pole (22), the external fixed surface of clean pole (22) installs clean cotton (23), the middle part fixed mounting of clean pole (22) has fixed column (24), the surface movable mounting of fixed column (24) has ring (25), the bottom fixed mounting of ring (25) has expanding spring (26), the bottom movable mounting of clean pole (22) has shift switch (27).
2. The cleaning assembly for a display screen for information services at tourist attractions of claim 1 further comprising: action wheel (7), first gear (8), temperature detect switch (9), second gear (10), the switch that drains (12) and line section of thick bamboo (13) all are in the coplanar, and this plane is located the left side of display screen (3) inner chamber, pass through rodent swing joint between action wheel (7) and first gear (8) and second gear (10), the diameter of action wheel (7) is greater than the diameter of first gear (8) and second gear (10).
3. The cleaning assembly for a display screen for information services at tourist attractions of claim 1 further comprising: the temperature sensor (15), the temperature control switch (9) and the temperature adjusting box (16) are electrically connected through electric wires.
4. The cleaning assembly for a display screen for information services at tourist attractions of claim 1 further comprising: the water drain switch (12) is electrically connected with the electric control plate (19) through an electric wire.
5. The cleaning assembly for a display screen for information services at tourist attractions of claim 1 further comprising: the left end of silk thread (14) and line section of thick bamboo (13) fixed connection, the right-hand member and ring (25) fixed connection of silk thread (14), line section of thick bamboo (13) inside fixed mounting has torsion spring.
6. The cleaning assembly for a display screen for information services at tourist attractions of claim 1 further comprising: clean pole (22) and the outer 3 surperficial laminating of display screen, when clean pole (22) were out of work, under expanding spring's (26) effect, the middle part contained angle was less than one hundred eighty degrees.
7. The cleaning assembly for a display screen for information services at tourist attractions of claim 1 further comprising: the fan (5) is electrically connected with the storage battery (4) through the wind wheel shaft (6).
CN202011219007.4A 2020-11-04 2020-11-04 A purify subassembly that is used for information service of tourist attraction to use display screen Withdrawn CN112605012A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011219007.4A CN112605012A (en) 2020-11-04 2020-11-04 A purify subassembly that is used for information service of tourist attraction to use display screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011219007.4A CN112605012A (en) 2020-11-04 2020-11-04 A purify subassembly that is used for information service of tourist attraction to use display screen

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CN112605012A true CN112605012A (en) 2021-04-06

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100788784B1 (en) * 2007-10-25 2008-01-02 문엔지니어링 (주) Multimedia display board
CN201315137Y (en) * 2008-10-06 2009-09-23 沈阳世杰电器有限公司 Temperature-controlling device for LED display screen
CN107585041A (en) * 2017-08-22 2018-01-16 安徽明瑞智能科技股份有限公司 A kind of cleaning device of direct-current charging post
CN108745958A (en) * 2018-05-23 2018-11-06 江苏禾兴泰触控科技有限公司 A kind of automatic cleaning drying device of electronic product display screen
CN208397940U (en) * 2018-06-08 2019-01-18 黄江英 Energy-saving and environment-friendly street lamp
CN111438092A (en) * 2020-04-28 2020-07-24 漯河食品职业学院 Hidden computer screen cleaning device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100788784B1 (en) * 2007-10-25 2008-01-02 문엔지니어링 (주) Multimedia display board
CN201315137Y (en) * 2008-10-06 2009-09-23 沈阳世杰电器有限公司 Temperature-controlling device for LED display screen
CN107585041A (en) * 2017-08-22 2018-01-16 安徽明瑞智能科技股份有限公司 A kind of cleaning device of direct-current charging post
CN108745958A (en) * 2018-05-23 2018-11-06 江苏禾兴泰触控科技有限公司 A kind of automatic cleaning drying device of electronic product display screen
CN208397940U (en) * 2018-06-08 2019-01-18 黄江英 Energy-saving and environment-friendly street lamp
CN111438092A (en) * 2020-04-28 2020-07-24 漯河食品职业学院 Hidden computer screen cleaning device

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Address after: 310018 room 1205-d, building 3, Tianfu Caizhi building, Xiasha street, Qiantang New District, Hangzhou City, Zhejiang Province

Applicant after: Hangzhou ludai Technology Co.,Ltd.

Address before: No.5-189, Jiangdian business pioneer park, Linjiang street, Qiantang New District, Hangzhou City, Zhejiang Province, 311225

Applicant before: Hangzhou ludai Technology Co.,Ltd.

WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20210406