CN108828882A - It is a kind of based on smart home with can automatic accomodation home theater projector - Google Patents
It is a kind of based on smart home with can automatic accomodation home theater projector Download PDFInfo
- Publication number
- CN108828882A CN108828882A CN201810567352.3A CN201810567352A CN108828882A CN 108828882 A CN108828882 A CN 108828882A CN 201810567352 A CN201810567352 A CN 201810567352A CN 108828882 A CN108828882 A CN 108828882A
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- Prior art keywords
- wall
- welded
- bolted
- cabinet
- projector
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Classifications
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- 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
- G03B21/16—Cooling; Preventing overheating
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- 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
-
- 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
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
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- 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
- G03B29/00—Combinations of cameras, projectors or photographic printing apparatus with non-photographic non-optical apparatus, e.g. clocks or weapons; Cameras having the shape of other objects
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention belongs to Smart Home technical fields, it is especially a kind of based on smart home with can automatic accomodation home theater projector, it is poor for existing apparatus dust-proof effect, the problem of not can be carried out storage work, now propose following scheme, including cabinet and mounting plate, the bottom of box inner wall has been bolted control cabinet, and control cabinet side inner wall has been bolted processor, the bottom of box inner wall has been bolted electric lifting rod, and electric lifting rod extension rod top exterior walls are welded with fixed plate, the fixed plate top exterior walls are welded with active box, and active box side outer wall is welded with sliding block, cabinet side inner wall is welded with sliding rail, and sliding rail is slidably matched with sliding block formation.The present invention not only prevents floating dust from entering inside device, but also can carry out height adjustment to projector, facilitates projector automatic accomodation to work, additionally it is possible to carry out angular adjustment to projector, improve the accuracy of projection angle.
Description
Technical field
The present invention relates to Smart Home technical field more particularly to it is a kind of based on smart home with can automatic accomodation family
Cinema projector.
Background technique
Currently, household audio and video system has progressed into ordinary family user with the development of multimedia technology, it is wide
The big consumer group brings different seeing and hearing enjoyment.Household audio and video system is that one built in the home environment is imitated close to movie theatre
The system of fruit appreciated film and enjoy music can allow domestic consumer to be in and appreciate the laser discsLD around movie theatre effect, listen to specially
Industry rank sound equipment bring music etc..With the increasingly raising of people's lives level, it is desirable to can pass through at home
Large screen and stereo image effect, can also directly be enjoyed in general family as be sitting in it is in cinema, both big and
Have lively image and acoustics.
Through retrieving, Chinese patent grant number is the patent of CN202494857U, discloses a kind of Domestic two movie theatre, including
Including audio/video playback equipment, power amplifying device, speaker and display, the home theater further includes frame, and frame is divided into up and down
Two sashes, the display are set in the sash on top, the audio/video playback equipment, power amplifying device and speaker setting
In in the sash of lower part, power amplifying device is located at the either above or below of audio/video playback equipment, there are two speaker is set, is arranged on
The two sides of audio/video playback equipment and power amplifying device.It is had the following disadvantages in above-mentioned patent：Dust-proof effect is poor, not can be carried out receipts
Receive work, and above-mentioned patent not can solve problems, therefore, need it is a kind of based on smart home with can automatic accomodation family
Cinema projector.
Summary of the invention
It is poor based on a kind of Domestic two movie theatre design dust-proof effect, not can be carried out the technical issues of storage work, it is of the invention
Propose it is a kind of based on smart home with can automatic accomodation home theater projector.
It is proposed by the present invention it is a kind of based on smart home with can automatic accomodation home theater projector, including cabinet and peace
Loading board, the bottom of box inner wall has been bolted control cabinet, and control cabinet side inner wall has been bolted processing
Device, the bottom of box inner wall has been bolted electric lifting rod, and electric lifting rod extension rod top exterior walls are welded with
Fixed plate, the fixed plate top exterior walls are welded with active box, and active box side outer wall is welded with sliding block, the cabinet side
Inner wall is welded with sliding rail, and sliding rail is slidably matched with sliding block formation, and the active box bottom interior wall has been bolted loudspeaker,
And active box top exterior walls are welded with support plate, support plate side outer wall is welded with the identical link block of two height, and
The adjacent two sides outer wall of two link blocks is welded with the same fixing axle, and the fixing axle outer wall is socketed with axle sleeve, and axle sleeve side
Outer wall is welded with movable plate, and movable plate bottom outer wall side is welded with fixed hub, and the inner wall grafting of fixed hub side
There is movable axis, movable axis side outer wall is welded with electric telescopic rod, and electric telescopic rod basic rod top exterior walls pass through spiral shell
Bolt is fixed with active box top exterior walls, and the movable plate top exterior walls are placed with projector, and the cabinet side outer wall top is opened
There is mounting hole, and mounting hole side inner wall is welded with heat dissipation tank, heat dissipation tank side inner wall has been bolted the first electricity
Machine, and one end of first motor output shaft is welded with the flabellum of equidistant annular spread, described heat dissipation tank one end is solid by bolt
Surely there is strainer.
Preferably, four corners of the bottom of box outer wall have been bolted universal wheel, and on universal wheel
Equipped with brake key.
Preferably, the top of the box inner wall has been bolted ultraviolet germicidal lamp and temperature sensor, and temperature
Sensor signal output end is connect by signal wire with processor signal input terminal.
Preferably, cabinet side outer wall is provided with rectangular through-hole, and rectangular through-hole opposite sides inner wall is provided with sliding slot,
Two sliding slot sides inner wall top is welded with the same fixed strip, and two sliding slot sides inner wall bottom end slidably connects the same cunning
Item, draw runner top exterior walls and fixed strip bottom outer wall are bonded with the same stretch fabric, and draw runner side outer wall is welded with lift block, peace
Loading board side outer wall is welded with storage box, and storage box side outer wall has been bolted the second motor, the second motor output shaft
Across storage box side, inner wall is welded with transmission shaft, and transmission shaft is plugged on storage box side inner wall far from one end of the second motor
On, transmission shaft side outer wall is wrapped with projection screen, and projection screen bottom end has been bolted limit plate.
Preferably, limit plate top exterior walls side has been bolted displacement sensor receiver, and is displaced and passes
Sensor receiver signal output end is connect with processor signal input terminal.
Preferably, mounting plate bottom outer wall side has been bolted displacement sensor transmitter, and is displaced and passes
Sensor launcher signal input terminal is connect with processor signal output end.
Preferably, the movable plate opposite sides outer wall has been bolted hinge, and movable plate is cut with scissors by hinge
It is connected to grip block, grip block bottom outer wall is bonded with protective pad.
Preferably, cabinet side outer wall is provided with rectangle installation through-hole, and rectangle installation through-hole inner wall is solid by bolt
Surely there is dirt filtrating screen, dirt filtrating screen is identical as active box height.
Preferably, cabinet side outer wall has been bolted operation panel, and operation panel side outer wall passes through
Bolt is fixed with switch.
Preferably, the electric lifting rod, loudspeaker, first motor, ultraviolet germicidal lamp, projector, electric telescopic rod and
Second motor is connected with switch by conducting wire, and is switched and connect by signal wire with processor signal output end.
Having the beneficial effect that in the present invention：
1, draw runner can be lifted up in sliding slot by the setting of lift block, to carry out opening and closing work to stretch fabric
Make, increases the leakproofness of device, prevent floating dust from entering and cause machine breakdown inside device.
2, it can allow active box is lower on the slide rail to move by the setting of electric lifting rod, to carry out height to projector
It adjusts, projector automatic accomodation is facilitated to work, in addition electric telescopic rod can carry out angular adjustment to projector, improve projected angle
The accuracy of degree reduces labor intensity.
3, flabellum high-speed rotation is able to drive by the setting of first motor, cool ambient air is imported into cabinet through strainer
It is interior, cooling and heat dissipation processing is carried out to cabinet internal heat generation element, heater element operating rate is improved, increases the service life of device.
4, it is unfolded and is stored work by the projection screen that the setting of the second motor is able to drive on transmission shaft, is increased
The automation draw-in and draw-off function of device, facilitates operation.
Detailed description of the invention
Fig. 1 be it is proposed by the present invention it is a kind of based on smart home with can automatic accomodation home theater projector section view knot
Structure schematic diagram；
Fig. 2 be it is proposed by the present invention it is a kind of based on smart home with can automatic accomodation home theater projector movable plate structure
Schematic diagram；
Fig. 3 be it is proposed by the present invention it is a kind of based on smart home with can automatic accomodation home theater projector stretch fabric structure
Schematic diagram；
Fig. 4 be it is proposed by the present invention it is a kind of based on smart home with can the front view structure of home theater projector of automatic accomodation show
It is intended to；
Fig. 5 be it is proposed by the present invention it is a kind of based on smart home with can automatic accomodation home theater projector projection screen knot
Structure schematic diagram.
In figure：1 cabinet, 2 control cabinets, 3 processors, 4 electric lifting rods, 5 fixed plates, 6 active box, 7 loudspeaker, 8 heat dissipation tanks,
9 strainers, 10 first motors, 11 flabellums, 12 ultraviolet germicidal lamps, 13 temperature sensors, 14 projectors, 15 sliding slots, 16 universal wheels,
17 support plates, 18 sliding blocks, 19 sliding rails, 20 grip blocks, 21 electric telescopic rods, 22 movable plates, 23 fixed strips, 24 stretch fabrics, 25 are slided
Item, 26 lift blocks, 27 operation panels, 28 dirt filtrating screens, 29 mounting plates, 30 storage boxes, 31 second motors, 32 projection screens, 33 limits
Position plate, 34 displacement sensor receivers, 35 displacement sensor transmitters.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, it is a kind of based on smart home with can automatic accomodation home theater projector, including cabinet 1 and peace
Loading board 29,1 bottom interior wall of cabinet has been bolted control cabinet 2, and 2 side inner wall of control cabinet has been bolted processing
Device 3,3 model ARM10TDMI of processor, 1 bottom interior wall of cabinet have been bolted electric lifting rod 4, and electric up-down
4 extension rod top exterior walls of bar are welded with fixed plate 5, and 5 top exterior walls of fixed plate are welded with active box 6, and 6 side outer wall of active box
It is welded with sliding block 18,1 side inner wall of cabinet is welded with sliding rail 19, and sliding rail 19 is slidably matched with the formation of sliding block 18,6 bottom of active box
Portion's inner wall has been bolted loudspeaker 7, and 6 top exterior walls of active box are welded with support plate 17, the weldering of 17 side outer wall of support plate
It connects there are two the identical link block of height, and the adjacent two sides outer wall of two link blocks is welded with the same fixing axle, outside fixing axle
Wall is socketed with axle sleeve, and axle sleeve side outer wall is welded with movable plate 22, and 22 bottom outer wall side of movable plate is welded with fixed hub,
And fixed hub side inner wall is plugged with movable axis, movable axis side outer wall is welded with electric telescopic rod 21, and electric telescopic rod
21 basic rod top exterior walls are fixed by bolt and 6 top exterior walls of active box, and 22 top exterior walls of movable plate are placed with projector 14,
The 1 side outer wall top of cabinet is provided with mounting hole, and mounting hole side inner wall is welded with heat dissipation tank 8,8 side inner wall of heat dissipation tank
It is bolted first motor 10, and one end of 10 output shaft of first motor is welded with the flabellum of equidistant annular spread
11,8 one end of heat dissipation tank has been bolted strainer 9, active box 6 can be allowed in sliding rail 19 by the setting of electric lifting rod 4
It moves up and down, to carry out height adjustment to projector 14, facilitates 14 automatic accomodation of projector to work, in addition electric telescopic rod 21
Angular adjustment can be carried out to projector 14, improve the accuracy of projection angle, reduce labor intensity.
In the present invention, 1 bottom outer wall of cabinet, four corners have been bolted universal wheel 16, and on universal wheel 16
It is equipped with brake key, 1 top inner wall of cabinet has been bolted ultraviolet germicidal lamp 12 and temperature sensor 13, and temperature passes
13 signal output end of sensor is connect by signal wire with 3 signal input part of processor, and 1 side outer wall of cabinet is provided with rectangular through-hole,
And rectangular through-hole opposite sides inner wall is provided with sliding slot 15, two 15 side inner wall tops of sliding slot are welded with the same fixed strip
23, two 15 side inner wall bottom ends of sliding slot slidably connect the same draw runner 25, outside 25 top exterior walls of draw runner and fixed strip bottom
Wall is bonded with the same stretch fabric 24, and 25 side outer wall of draw runner is welded with lift block 26, can be incited somebody to action by the setting of lift block 26
Draw runner 25 is lifted up in sliding slot 15, to carry out opening and closing work to stretch fabric 24, increases the leakproofness of device, is prevented
Only floating dust, which enters, causes machine breakdown inside device, 29 side outer wall of mounting plate is welded with storage box 30, outside 30 side of storage box
Wall has been bolted the second motor 31, and 31 output shaft of the second motor passes through 30 side inner wall of storage box and is welded with transmission shaft,
Transmission shaft is plugged on 30 side inner wall of storage box far from one end of the second motor 31, and transmission shaft side outer wall is wrapped with projection screen
Cloth 32,32 bottom end of projection screen have been bolted limit plate 33.
33 top exterior walls side of limit plate has been bolted displacement sensor receiver 34, and displacement sensor receives
34 signal output end of device is connect with 3 signal input part of processor, and 29 bottom outer wall side of mounting plate has been bolted displacement
Sensor transmitter 35, and 35 signal input part of displacement sensor transmitter is connect with 3 signal output end of processor, movable plate 22
Opposite sides outer wall has been bolted hinge, and movable plate 22 is hinged with grip block 20,20 bottom of grip block by hinge
Portion's outer wall is bonded with protective pad, and 1 side outer wall of cabinet is provided with rectangle installation through-hole, and rectangle installation through-hole inner wall is solid by bolt
Surely there is dirt filtrating screen 28, dirt filtrating screen 28 is identical as 6 height of active box, and 1 side outer wall of cabinet has been bolted operation panel 27,
And 27 side outer wall of operation panel has been bolted switch, electric lifting rod 4, loudspeaker 7, first motor 10, ultraviolet light kill
Bacterium lamp 12, projector 14, electric telescopic rod 21 and the second motor 31 are connected with switch by conducting wire, and switch passes through signal wire
It is connect with 3 signal output end of processor.
In use, the second motor 31 drives the projection screen 32 on transmission shaft to organize work, after stretching, extension, will fill
It sets cabinet 1 and is moved to 32 front of projection screen, then be lifted up draw runner 25 in sliding slot 15 by lift block 26, thus right
Stretch fabric 24 carries out opening work, and electric lifting rod 4 allows active box 6 to move upwards in sliding rail 19, to carry out to projector 14
Height adjustment allows projector 14 to expose, and in addition electric telescopic rod 21 can carry out angular adjustment, the first electricity to projector 14
Machine 10 drives 11 high-speed rotation of flabellum, and cool ambient air is imported in cabinet 1 through strainer 9, is carried out to 1 internal heat generation element of cabinet
Cooling and heat dissipation processing.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. it is a kind of based on smart home with can automatic accomodation home theater projector, including cabinet（1）And mounting plate（29）,
It is characterized in that, the cabinet（1）Bottom interior wall has been bolted control cabinet（2）, and control cabinet（2）Side inner wall passes through spiral shell
Bolt is fixed with processor（3）, the cabinet（1）Bottom interior wall has been bolted electric lifting rod（4）, and electric lifting rod
（4）Extension rod top exterior walls are welded with fixed plate（5）, the fixed plate（5）Top exterior walls are welded with active box（6）, and activity
Case（6）Side outer wall is welded with sliding block（18）, the cabinet（1）Side inner wall is welded with sliding rail（19）, and sliding rail（19）With cunning
Block（18）Formation is slidably matched, the active box（6）Bottom interior wall has been bolted loudspeaker（7）, and active box（6）Top
Outer wall is welded with support plate（17）, the support plate（17）Side outer wall is welded with the identical link block of two height, and two
The adjacent two sides outer wall of link block is welded with the same fixing axle, and the fixing axle outer wall is socketed with axle sleeve, and axle sleeve side outer wall
It is welded with movable plate（22）, the movable plate（22）Bottom outer wall side is welded with fixed hub, and fixed hub side inner wall
It is plugged with movable axis, movable axis side outer wall is welded with electric telescopic rod（21）, and electric telescopic rod（21）Basic rod top
Portion's outer wall passes through bolt and active box（6）Top exterior walls are fixed, the movable plate（22）Top exterior walls are placed with projector（14）,
The cabinet（1）Side outer wall top is provided with mounting hole, and mounting hole side inner wall is welded with heat dissipation tank（8）, the heat dissipation tank
（8）Side inner wall has been bolted first motor（10）, and first motor（10）One end of output shaft is welded with equidistant
The flabellum of annular spread（11）, the heat dissipation tank（8）One end has been bolted strainer（9）.
2. it is according to claim 1 it is a kind of based on smart home with can automatic accomodation home theater projector, feature
It is, the cabinet（1）Four corners of bottom outer wall have been bolted universal wheel（16）, and universal wheel（16）It is upper equal
Equipped with brake key.
3. it is according to claim 1 it is a kind of based on smart home with can automatic accomodation home theater projector, feature
It is, the cabinet（1）Top inner wall has been bolted ultraviolet germicidal lamp（12）And temperature sensor（13）, and temperature
Sensor（13）Signal output end passes through signal wire and processor（3）Signal input part connection.
4. it is according to claim 1 it is a kind of based on smart home with can automatic accomodation home theater projector, feature
It is, the cabinet（1）Side outer wall is provided with rectangular through-hole, and rectangular through-hole opposite sides inner wall is provided with sliding slot（15）, two
A sliding slot（15）Side inner wall top is welded with the same fixed strip（23）, two sliding slots（15）Side inner wall bottom end is slidably connected
There is the same draw runner（25）, draw runner（25）Top exterior walls and fixed strip bottom outer wall are bonded with the same stretch fabric（24）, draw runner
（25）Side outer wall is welded with lift block（26）, mounting plate（29）Side outer wall is welded with storage box（30）, storage box（30）One
Side outer wall has been bolted the second motor（31）, the second motor（31）Output shaft passes through storage box（30）The welding of side inner wall
There is transmission shaft, transmission shaft is far from the second motor（31）One end be plugged on storage box（30）On the inner wall of side, outside transmission shaft side
Wall is wrapped with projection screen（32）, projection screen（32）Bottom end has been bolted limit plate（33）.
5. it is according to claim 4 it is a kind of based on smart home with can automatic accomodation home theater projector, feature
It is, the limit plate（33）Top exterior walls side has been bolted displacement sensor receiver（34）, and displacement sensing
Device receiver（34）Signal output end and processor（3）Signal input part connection.
6. it is according to claim 1 it is a kind of based on smart home with can automatic accomodation home theater projector, feature
It is, the mounting plate（29）Bottom outer wall side has been bolted displacement sensor transmitter（35）, and displacement sensing
Device transmitter（35）Signal input part and processor（3）Signal output end connection.
7. it is according to claim 1 it is a kind of based on smart home with can automatic accomodation home theater projector, feature
It is, the movable plate（22）Opposite sides outer wall has been bolted hinge, and movable plate（22）It is hinged by hinge
There is grip block（20）, grip block（20）Bottom outer wall is bonded with protective pad.
8. it is according to claim 1 it is a kind of based on smart home with can automatic accomodation home theater projector, feature
It is, the cabinet（1）Side outer wall is provided with rectangle installation through-hole, and rectangle installation through-hole inner wall has been bolted dust filtering
Net（28）, dirt filtrating screen（28）With active box（6）It is highly identical.
9. it is according to claim 1 it is a kind of based on smart home with can automatic accomodation home theater projector, feature
It is, the cabinet（1）Side outer wall has been bolted operation panel（27）, and operation panel（27）Side outer wall passes through
Bolt is fixed with switch.
10. it is according to claim 1 it is a kind of based on smart home with can automatic accomodation home theater projector, feature
It is, the electric lifting rod（4）, loudspeaker（7）, first motor（10）, ultraviolet germicidal lamp（12）, projector（14）, it is electronic
Telescopic rod（21）With the second motor（31）It is connected with switch by conducting wire, and switchs and pass through signal wire and processor（3）Signal
Output end connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567352.3A CN108828882A (en) | 2018-06-05 | 2018-06-05 | It is a kind of based on smart home with can automatic accomodation home theater projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567352.3A CN108828882A (en) | 2018-06-05 | 2018-06-05 | It is a kind of based on smart home with can automatic accomodation home theater projector |
Publications (1)
| Publication Number | Publication Date |
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| CN108828882A true CN108828882A (en) | 2018-11-16 |
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| CN201810567352.3A Pending CN108828882A (en) | 2018-06-05 | 2018-06-05 | It is a kind of based on smart home with can automatic accomodation home theater projector |
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Cited By (6)
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| CN109363558A (en) * | 2018-11-20 | 2019-02-22 | 湖州市康派护理用品科技有限公司 | A kind of self-closed type baby wipes |
| CN111193823A (en) * | 2020-02-12 | 2020-05-22 | 李兴文 | Auxiliary device is used in mutual projection device installation of cell-phone |
| CN111367137A (en) * | 2020-05-06 | 2020-07-03 | 杭州庚复科技有限公司 | Projector fixing device based on special-shaped gear transmission principle |
| CN112192612A (en) * | 2020-09-22 | 2021-01-08 | 江苏拓域智能装备有限公司 | Multifunctional robot |
| CN112433434A (en) * | 2020-12-04 | 2021-03-02 | 杭州心尧贸易有限公司 | Fixed-point projection device based on multimedia conference management platform and operation method thereof |
| CN113625524A (en) * | 2021-08-09 | 2021-11-09 | 九江恒盛科技发展有限责任公司 | Enterprise management consultation multimedia projection equipment convenient to adjust |
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Application publication date: 20181116 |