CN111589827A - Auxiliary cleaning device for projection lens for projector - Google Patents
Auxiliary cleaning device for projection lens for projector Download PDFInfo
- Publication number
- CN111589827A CN111589827A CN202010465209.0A CN202010465209A CN111589827A CN 111589827 A CN111589827 A CN 111589827A CN 202010465209 A CN202010465209 A CN 202010465209A CN 111589827 A CN111589827 A CN 111589827A
- Authority
- CN
- China
- Prior art keywords
- seat
- cleaning
- suction
- transparent glass
- protective shell
- Prior art date
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 118
- 239000011521 glass Substances 0.000 claims abstract description 61
- 230000001681 protective effect Effects 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000005507 spraying Methods 0.000 claims abstract description 20
- 239000000428 dust Substances 0.000 claims abstract description 17
- 238000003384 imaging method Methods 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a projection lens auxiliary cleaning device for a projector, which comprises a projector, a protective shell, a support rod, a cleaning assembly and a liquid spraying assembly, wherein the protective shell is sleeved at the position, close to a lens, outside the projector so as to hermetically protect the lens, the cross section of the protective shell is in a shape of a Chinese character 'ji', and transparent glass is arranged at the position, close to the lens, on the protective shell and used for light-transmitting projection imaging; a liquid spraying assembly is fixed on the protective shell and below the transparent glass, so that during cleaning, atomized cleaning liquid is sprayed to the transparent glass through the liquid spraying assembly; a supporting rod is rotatably arranged outside the protective shell, so that the cleaning assembly can be rotated to the position of the transparent glass during cleaning; the cleaning assembly can adsorb and clean dust and cleaning liquid attached to the outside of the transparent glass, and the overall cleaning effect is improved.
Description
Technical Field
The invention relates to the field of lens cleaning, in particular to an auxiliary cleaning device for a projection lens of a projector.
Background
The projector is an optical device capable of projecting images or videos onto a movie screen, and comprises a home theater type projector, a business type projector, an education conference type projector and the like.
However, once the lens of the projector hung on the wall top is adhered by dust, there are situations that it is not easy to clean, especially the projector located at a higher position, and it is necessary to clean by means of ladder, which is time-consuming and troublesome.
Therefore, it is necessary to provide an auxiliary cleaning device for a projection lens of a projector to solve the above problems in the related art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a projection lens auxiliary cleaning device for a projector comprises the projector, a protective shell, a support rod, a cleaning assembly and a liquid spraying assembly, wherein the protective shell is sleeved at the position, close to the lens, outside the projector so as to seal and protect the lens,
the cross section of the protective shell is in a shape of a [ shape ], and transparent glass is arranged on the protective shell at a position close to the lens and used for light-transmitting projection imaging;
a liquid spraying assembly is fixed on the protective shell and below the transparent glass, so that during cleaning, atomized cleaning liquid is sprayed to the transparent glass through the liquid spraying assembly;
a supporting rod is rotatably arranged outside the protective shell, so that the cleaning assembly can be rotated to the position of the transparent glass during cleaning;
the cleaning assembly is capable of adsorbing and cleaning dust and cleaning liquid attached to the outside of the transparent glass.
Further, as preferred, clean subassembly includes the base, rotates the motor, rotates seat, telescopic link and suction storehouse, wherein, the base is rotatable to link to each other with branch, the middle part rigidity embedding of base has the rotation motor, the coaxial rotation seat that is fixed with of output of rotating the motor, the other end that rotates the seat adopts the telescopic link telescopic to be connected with the suction storehouse, the other end in suction storehouse is provided with the cleaning head for clean transparent glass.
Further, preferably, the base and the corresponding position of the rotating seat are provided with double T-shaped grooves for being connected with the rotating ring in a sliding mode, and the cross section of the rotating ring is I-shaped.
Further, as preferred, the telescopic link is fixed to be embedded in and is rotated the seat and keep away from the one end of base, the output of telescopic link with the suction storehouse is fixed continuous, the suction storehouse with it still adopts the elastic buffer cotton to be connected to rotate between the seat.
Preferably, the cleaning head comprises a suction seat and a cleaning seat, and brushes with the same length are uniformly distributed at one ends of the suction seat and the cleaning seat far away from the base;
the interior of the suction seat is of a cavity structure, through holes are uniformly distributed at one end of the suction seat close to the hairbrush, and the other end of the suction seat is fixedly embedded in the suction bin;
the cleaning seat is of a solid structure and is fixed outside the suction bin;
the suction seat and the cleaning seat have the same shape and size.
Preferably, the rotary seat is further symmetrically embedded with a suction pump, the suction end of the suction pump hermetically and slidably extends into the suction bin, and the discharge end of the suction pump extends to the outside of the rotary seat.
Further, as preferred, the outside symmetry of protective housing is fixed with two branches, the below branch adopt the pivot with the extension seat of base rotates and links to each other, the top the branch is close to the one side of base and is fixed with the motor that just reverses, the output of the motor that just reverses with extend the seat and fix and link to each other.
Further, as preferred, hydrojet subassembly is including sheltering from seat and miniature atomising head, shelter from the seat to fix on the protective housing and be located transparent glass's below, the inside pre-installation that shelters from the seat has the cleaning solution, shelter from still to be equipped with the hydrojet pump that can provide spraying pressure for miniature atomising head in the seat, it is a plurality of miniature atomising head lays on sheltering from the seat, just the spraying end tilt up of miniature atomising head to can spray on to transparent glass.
Further, as a preferred option, a square sealing rubber is fixed on one surface of the protective shell close to the lens, and the sealing rubber is arranged outside the transparent glass and the lens.
Preferably, a non-slip mat is fixed on one side of the protective shell close to the projector, and an adjusting telescopic rod is fixed on the other side of the protective shell.
Compared with the prior art, the invention has the beneficial effects that:
1. the device adopts the protective shell to be sleeved on the projector, protects the original lens, only the transparent glass arranged on the protective shell is cleaned during cleaning, and the inward concave lens does not need to be stretched into the protective shell to be cleaned, so that the cleaning process is simplified, and the cleaning efficiency is improved;
2. when the device works, the distance between the cleaning head and the transparent glass can be adjusted through the telescopic rod, so that the cleaning effect is improved, in the initial stage, the brush on the cleaning seat is just in contact with the transparent glass, the brush on the suction seat is not in contact with the transparent glass, the suction seat performs long-distance suction to suck partial dust, then the liquid spraying assembly sprays cleaning liquid onto the transparent glass, the suction seat continuously performs long-distance suction to suck redundant cleaning liquid and partial dust, and the brush on the cleaning seat continuously cleans the dust on the transparent glass, so that the cleaning efficiency is improved; the telescopic rod is adjusted, so that the brush on the suction seat is in contact with the transparent glass to clean and wipe, and the brush on the cleaning seat is bent and attached to the transparent glass, thereby being beneficial to cleaning stubborn stains.
Drawings
Fig. 1 is a schematic structural diagram of a projection lens auxiliary cleaning device for a projector;
FIG. 2 is a first schematic view of a cleaning assembly of a cleaning-assisting device for a projection lens of a projector;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic diagram of a cleaning assembly of a cleaning device for assisting a projection lens of a projector;
FIG. 5 is a schematic view of an installation structure of a cleaning assembly in a cleaning assisting device for a projection lens of a projector;
FIG. 6 is a schematic view of an installation structure of a cleaning device for assisting a projection lens of a projector;
in the figure: 1. a projector; 2. a lens; 3. a protective shell; 31. a non-slip mat; 32. sealing rubber; 33. transparent glass; 4. adjusting the telescopic rod; 5. a strut; 6. a cleaning assembly; 7. a liquid spray assembly; 8. a shielding seat; 9. a micro spray head; 10. a base; 11. rotating the motor; 12. a rotating seat; 13. a rotating ring; 14. an extension base; 15. a positive and negative rotation motor; 16. a telescopic rod; 17. a suction gas pump; 18. a suction bin; 19. a suction seat; 20. cleaning the seat; 21. elastic buffer cotton.
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 (b): referring to fig. 1-6, the present invention provides a technical solution: a projection lens auxiliary cleaning device for a projector comprises a projector 1, a protective shell 3, a support rod 5, a cleaning component 6 and a liquid spraying component 7, wherein the protective shell 3 is sleeved at the position, close to a lens 2, of the outer part of the projector 1 so as to seal and protect the lens 2,
the cross section of the protective shell 3 is in a shape of a [ shape ], and transparent glass 33 is arranged on the protective shell at a position close to the lens 2 and used for light-transmitting projection imaging;
a liquid spraying assembly 7 is fixed on the protective shell 3 and below the transparent glass 33, so that during cleaning, mist cleaning liquid is sprayed to the transparent glass 33 through the liquid spraying assembly 7;
a cleaning assembly 6 is rotatably arranged outside the protective shell 3 by adopting a support rod 5, so that the cleaning assembly 6 is rotated to the position of the transparent glass 33 during cleaning;
the cleaning assembly 6 is capable of adsorbing and cleaning dust and cleaning liquid attached to the outside of the transparent glass 33.
As shown in fig. 4, the cleaning assembly 6 includes a base 10, a rotating motor 11, a rotating base 12, a telescopic rod 16 and a suction bin 18, wherein the base 10 is rotatably connected to the supporting rod 5, the rotating motor 11 is fixedly embedded in the middle of the base 10, the rotating base 12 is coaxially fixed at the output end of the rotating motor 11, the suction bin 18 is telescopically connected to the other end of the rotating base 12 through the telescopic rod 16, a cleaning head is arranged at the other end of the suction bin 18 and used for cleaning the transparent glass 33, the cleaning head can be driven to rotate through the rotation of the rotating motor 11, so that the transparent glass 33 can be cleaned comprehensively, and the telescopic rod 16 can adjust the distance between the cleaning head and the transparent glass 33, thereby improving the cleaning effect.
In order to improve the stability of the rotation of the rotating seat 12, the base 10 and the rotating seat 12 are provided with double T-shaped grooves at corresponding positions for slidably connecting the rotating ring 13, and the cross section of the rotating ring 13 is i-shaped.
In a preferred embodiment, the telescopic rod 16 is fixedly embedded in one end of the rotating seat 12 far away from the base 10, the output end of the telescopic rod 16 is fixedly connected with the suction bin 18, and the suction bin 18 is connected with the rotating seat 12 by using elastic buffer cotton 21.
As a preferred embodiment, the cleaning head comprises a suction seat 19 and a cleaning seat 20, and brushes with the same length are uniformly distributed at one ends of the suction seat and the cleaning seat 19 far away from the base 10;
the interior of the suction seat 19 is of a cavity structure, through holes are uniformly distributed at one end of the suction seat 19 close to the hairbrush, and the other end of the suction seat is fixedly embedded in the suction bin 18;
the cleaning seat 20 is of a solid structure, and the cleaning seat 20 is fixed outside the suction bin 18;
the suction seat 19 and the cleaning seat 20 have the same shape and size, when the cleaning device works, the rotating motor 11 and the suction air pump 17 are started firstly, at the moment, the brush on the cleaning seat 20 is just in contact with the transparent glass 33, the brush on the suction seat 19 is not in contact with the transparent glass, the suction seat 19 performs remote suction to suck off part of dust, then the liquid spraying assembly 7 sprays cleaning liquid onto the transparent glass 33, the suction seat 19 continuously performs remote suction to suck off redundant cleaning liquid and part of dust, and the brush on the cleaning seat 20 continuously cleans the dust on the transparent glass; the telescopic rod 16 is adjusted to enable the brush on the suction seat 19 to be in contact with the transparent glass for cleaning and wiping, and the brush on the cleaning seat 20 is bent to be attached to the transparent glass, so that the cleaning of stubborn stains is facilitated.
In a preferred embodiment, a suction air pump 17 is further symmetrically embedded in the rotary base 12, a suction end of the suction air pump 17 hermetically and slidably extends into the suction bin 18, and a discharge end of the suction air pump 17 extends to the outside of the rotary base 12.
As shown in fig. 5, the outside symmetry of protective housing 3 is fixed with two branches 5, the below branch 5 adopt the pivot with the extension seat 14 of base 10 rotates and links to each other, the top the one side that branch 5 is close to base 10 is fixed with positive reverse motor 15, positive reverse motor 15's output with extension seat 14 is fixed and links to each other, through positive reverse motor 15's rotation, can drive cleaning assembly 6 and be close to transparent glass 33 or keep away from transparent glass 33.
As shown in fig. 3, hydrojet subassembly 7 is including sheltering from seat 8 and miniature atomising head 9, shelter from seat 8 to fix on protective housing 3 and be located transparent glass 33's below, the inside pre-installation that shelters from seat 8 has the cleaning solution, it can provide the hydrojet pump of spray pressure for miniature atomising head 9 still to be equipped with in the shelter from seat 8, and is a plurality of miniature atomising head 9 lays on sheltering from seat 8, just the spraying end tilt up of miniature atomising head 19 to can spray on transparent glass 33, of course, shelter from and still be provided with the fluid infusion mouth on the seat 8 to shelter from seat 8 and can provide the cleaning solution for miniature atomising head 9 on the one hand, on the other hand still can shelter from the dust of projecting apparatus below, and reduce that the dust rises and falls on transparent glass 33.
As shown in fig. 1-3, a square sealing rubber 32 is fixed on one surface of the protective shell 3 close to the lens 2, and the sealing rubber 32 is arranged outside the transparent glass 33 and the lens 2, so as to prevent dust from entering between the protective shell and the lens 2, that is, the device only needs to clean the transparent glass 33 periodically.
As shown in fig. 1-2, a non-slip mat 31 is fixed on one side of the protective shell 3 close to the projector 1, and an adjusting telescopic rod 4 is fixed on the other side of the protective shell 3, preferably, since the protective shell 3 is installed once and can be used for a long time, the adjusting telescopic rod 4 can select a manual telescopic rod, and the adjusting telescopic rod 4 is arranged so that the protective shell 3 can be suitable for more projectors.
In specific implementation, the protective shell 3 is fixed on the projector 1 by adjusting the extension and retraction of the telescopic rod 4, the cleaning assembly 6 can be driven to be close to the transparent glass 33 or far away from the transparent glass 33 by the rotation of the forward and reverse rotation motor 15, when cleaning, the rotation motor 11 and the suction air pump 17 are started firstly, the brush on the cleaning seat 20 is just in contact with the transparent glass 33 at the moment, the brush on the suction seat 19 is not in contact with the transparent glass, the suction seat 19 performs remote suction to suck part of dust, then the liquid spraying assembly 7 sprays cleaning liquid onto the transparent glass 33, the suction seat 19 performs remote suction continuously, redundant cleaning liquid and part of dust are sucked, and the brush on the cleaning seat 20 cleans the dust on the transparent glass continuously; the telescopic rod 16 is adjusted to enable the brush on the suction seat 19 to be in contact with the transparent glass for cleaning and wiping, and the brush on the cleaning seat 20 is bent to be attached to the transparent glass, so that the cleaning of stubborn stains is facilitated.
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 (10)
1. A projection lens auxiliary cleaning device for a projector comprises the projector, a protective shell, a support rod, a cleaning assembly and a liquid spraying assembly, wherein the protective shell is sleeved at the position, close to the lens, outside the projector so as to seal and protect the lens,
the method is characterized in that: the cross section of the protective shell is in a shape of a [ shape ], and transparent glass is arranged on the protective shell at a position close to the lens and used for light-transmitting projection imaging;
a liquid spraying assembly is fixed on the protective shell and below the transparent glass, so that during cleaning, atomized cleaning liquid is sprayed to the transparent glass through the liquid spraying assembly;
a supporting rod is rotatably arranged outside the protective shell, so that the cleaning assembly can be rotated to the position of the transparent glass during cleaning;
the cleaning assembly is capable of adsorbing and cleaning dust and cleaning liquid attached to the outside of the transparent glass.
2. The auxiliary cleaning device for a projection lens of a projector according to claim 1, wherein: clean subassembly includes the base, rotates the motor, rotates seat, telescopic link and suction storehouse, wherein, the base is rotatable to link to each other with branch, the middle part rigidity embedding of base has the rotation motor, the coaxial rotation seat that is fixed with of output of rotating the motor, the other end of rotating the seat adopts the telescopic link telescopic to be connected with the suction storehouse, the other end in suction storehouse is provided with the cleaning head for clean clear glass.
3. The auxiliary cleaning device for a projection lens of a projector according to claim 2, wherein: the base and the corresponding position of the rotating seat are provided with double T-shaped grooves for sliding connection with the rotating ring, and the cross section of the rotating ring is I-shaped.
4. The auxiliary cleaning device for a projection lens of a projector according to claim 2, wherein: the telescopic link is fixedly embedded into one end, far away from the base, of the rotating seat, the output end of the telescopic link is fixedly connected with the suction bin, and the suction bin is connected with the rotating seat through elastic buffering cotton.
5. The auxiliary cleaning device for a projection lens of a projector according to claim 2, wherein: the cleaning head comprises a suction seat and a cleaning seat, and brushes with the same length are uniformly distributed at one ends of the suction seat and the cleaning seat far away from the base;
the interior of the suction seat is of a cavity structure, through holes are uniformly distributed at one end of the suction seat close to the hairbrush, and the other end of the suction seat is fixedly embedded in the suction bin;
the cleaning seat is of a solid structure and is fixed outside the suction bin;
the suction seat and the cleaning seat have the same shape and size.
6. The auxiliary cleaning device for a projection lens of a projector according to claim 2, wherein: the rotary seat is symmetrically embedded with a suction pump, the suction end of the suction pump hermetically and slidably extends into the suction bin, and the discharge end of the suction pump extends to the outside of the rotary seat.
7. The auxiliary cleaning device for a projection lens of a projector according to claim 2, wherein: the outside symmetry of protective housing is fixed with two branches, the below branch adopt the pivot with the extension seat of base rotates and links to each other, the top the branch is close to the one side of base and is fixed with positive and negative motor that changes, positive and negative motor's output with the extension seat is fixed and links to each other.
8. The auxiliary cleaning device for a projection lens of a projector according to claim 1, wherein: the hydrojet subassembly is including sheltering from seat and miniature atomising head, shelter from the seat and fix on the protective housing and be located transparent glass's below, the inside pre-installation that shelters from the seat has the cleaning solution, shelter from still to be equipped with the hydrojet pump that can provide spraying pressure for miniature atomising head in the seat, it is a plurality of miniature atomising head lays on sheltering from the seat, just the spraying end tilt up of miniature atomising head to can spray on to transparent glass.
9. The auxiliary cleaning device for a projection lens of a projector according to claim 1, wherein: the one side that the protective housing is close to the camera lens is fixed with square sealing rubber, sealing rubber sets up the outside at transparent glass and camera lens.
10. The auxiliary cleaning device for a projection lens of a projector according to claim 1, wherein: one side of the protective shell, which is close to the projector, is fixed with a non-slip mat, and the other side of the protective shell is fixed with an adjusting telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010465209.0A CN111589827A (en) | 2020-05-27 | 2020-05-27 | Auxiliary cleaning device for projection lens for projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010465209.0A CN111589827A (en) | 2020-05-27 | 2020-05-27 | Auxiliary cleaning device for projection lens for projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111589827A true CN111589827A (en) | 2020-08-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010465209.0A Pending CN111589827A (en) | 2020-05-27 | 2020-05-27 | Auxiliary cleaning device for projection lens for projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111589827A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904654A (en) * | 2021-02-08 | 2021-06-04 | 荣兴(广州)家具有限公司 | Energy-saving and environment-friendly projector for searching adaptive point by utilizing light refraction |
| CN113503440A (en) * | 2021-07-21 | 2021-10-15 | 许昌学院 | Intelligent home projector based on hand motion recognition |
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| US20100315712A1 (en) * | 2009-06-15 | 2010-12-16 | Olympus Imaging Corp. | Vibrating device and image equipment having the same |
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| CN113503440A (en) * | 2021-07-21 | 2021-10-15 | 许昌学院 | Intelligent home projector based on hand motion recognition |
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