CN206479764U - A kind of projection screen automatic retraction device based on illuminance sensor - Google Patents
A kind of projection screen automatic retraction device based on illuminance sensor Download PDFInfo
- Publication number
- CN206479764U CN206479764U CN201720098686.1U CN201720098686U CN206479764U CN 206479764 U CN206479764 U CN 206479764U CN 201720098686 U CN201720098686 U CN 201720098686U CN 206479764 U CN206479764 U CN 206479764U
- Authority
- CN
- China
- Prior art keywords
- retraction device
- automatic retraction
- projection screen
- wall
- illuminance sensor
- 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.)
- Expired - Fee Related
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- Overhead Projectors And Projection Screens (AREA)
Abstract
The utility model discloses a kind of projection screen automatic retraction device based on illuminance sensor, including automatic retraction device, motor and body, the body is by automatic retraction device, projection screen and spool, automatic retraction device is installed above the body, the center of the inside engaged gear is provided with external gear pump, the appearance wall of the spool is provided with projection screen, the appearance wall of the projection screen is provided with diffuse reflecting screen, the left-handed watch wall of the external protection is provided with filler, the left-handed watch wall of the filler is provided with anti-protective layer, the right table wall of the automatic retraction device is fixed with fixed plate, the appearance wall of the fixed plate is provided with trip bolt.In the utility model, by setting on the device automatic retraction device can be carried out to projection screen, and the signal produced by the illuminance in the external world can be received by the illuminance sensor of setting so as to carry out corresponding screen folding and unfolding activity, convenient intelligence meets people's demand.
Description
Technical field
The utility model is related to the technical field of automatic deploying and retracting screen apparatus equipment, more particularly to a kind of based on illuminance biography
The projection screen automatic retraction device of sensor.
Background technology
With continuing to develop for national science technology, society is constantly improving, and people also exist to the quality requirement of life
Constantly lifting, nowadays, projection screen provide convenient as a widely used product for the study and work of people, by
To the concern of more and more people.
But the internal structure for the projection screen sold in the market is complicated, insufficiency, and using for a long time
During can exist the problem of can not carry out automatic deploying and retracting, and can there is a situation where during rolling it is stuck, while automatically
Draw off gear intelligence is adjusted by extraneous infrared ray, and feature is single, it is impossible to carried well for people's live and work
For quality services, therefore need to optimize it upgrading.
Utility model content
The purpose of this utility model is that, in order to solve shortcoming present in prior art, and the one kind proposed is based on illuminance
The projection screen automatic retraction device of sensor.
To achieve these goals, the utility model employs following technical scheme：It is a kind of based on illuminance sensor
Projection screen automatic retraction device, including automatic retraction device, motor and body, the body is by automatic retraction device, throwing
Automatic retraction device is installed, the center of the automatic retraction device is provided with above shadow screen and spool, the body
Motor, the appearance wall of the motor is fixed with installing plate, and the center of the installing plate is provided with sensing receiver, described
The right table wall of motor is fixed with rotating shaft, and the right table wall of the rotating shaft is fixed with closure, and the right table wall of the closure is set
There is inside engaged gear, the center of the inside engaged gear is provided with external gear pump, and the right table wall of the closure is fixed with
Spool, the appearance wall of the spool is provided with projection screen, and the appearance wall of the projection screen is provided with diffuse reflecting screen, described unrestrained
The left-handed watch wall of radiation shield is fixed with external protection, and the left-handed watch wall of the external protection is provided with filler, a left side for the filler
Table wall is provided with anti-protective layer, and the right table wall of the automatic retraction device is fixed with fixed plate, the appearance wall peace of the fixed plate
Equipped with trip bolt.
It is used as further describing for above-mentioned technical proposal：
The trip bolt sets four altogether, and four trip bolts are uniformly arranged on the appearance wall of fixed plate.
It is used as further describing for above-mentioned technical proposal：
The lower end of the automatic retraction device is provided with support column, and the center of the support column sets cable tube.
It is used as further describing for above-mentioned technical proposal：
The center of the support column is provided with transformer.
It is used as further describing for above-mentioned technical proposal：
The appearance wall of the closure is provided with illuminance sensor.
In the utility model, the projection screen automatic retraction device based on illuminance sensor is easy to use, in equipment
On be provided with the device of automatic deploying and retracting activity can be carried out by degree of care, it is to avoid traditional infrared ray shaping modes, lead to
Accurate folding and unfolding activity can be carried out by crossing illuminance sensor, add the feature of equipment, and the inducing receiver of the equipment
The signal of extraneous transmission can be fast and accurately received, so that the working condition to motor is adjusted, while the equipment
Install simple and quick, it is easy to use, meet the demand of people.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of projection screen automatic retraction device surface based on illuminance sensor show
It is intended to；
Fig. 2 be the utility model proposes a kind of projection screen automatic retraction device based on illuminance sensor it is automatic
Schematic diagram inside draw off gear；
Fig. 3 be the utility model proposes a kind of projection screen automatic retraction device based on illuminance sensor projection
Screen diagrams.
Marginal data：
1- fixed plates, 2- trip bolts, 3- automatic retraction devices, 4- support columns, 5- projection screens, 6- closures, 7- light
Illuminance transducer, 8- spools, 9- bodies, 10- installing plates, 11- sensing receivers, 12- motor, 13- spools, 14- transformers,
15- rotating shafts, 16- inside engaged gears, 17- external gear pumps, 18- proofing dust and protectings layer, 19- fillers, 20- external protections, 21- overflow
Radiation shield.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.
Reference picture 1-3, a kind of projection screen automatic retraction device based on illuminance sensor, including automatic retraction device
3rd, motor 12 and body 9, body 9 are provided with automatically by automatic retraction device 3, projection screen 5 and spool 8, the top of body 9
Draw off gear 3, the center of automatic retraction device 3 is provided with motor 12, and the appearance wall of motor 12 is fixed with installing plate 10,
The center of installing plate 10 is provided with sensing receiver 11, the illuminance in the external world can be received, so that signal is passed into electricity
Motivation 12, so as to carry out automatic deploying and retracting activity, the right table wall of motor 12 is fixed with rotating shaft 15, and the right table wall of rotating shaft 15 is fixed with
Closure 6, the right table wall of closure 6 is provided with inside engaged gear 16, and the center of inside engaged gear 16 is provided with external toothing tooth
Wheel 17, the right table wall of closure 6 is fixed with spool 8, and the appearance wall of spool 8 is provided with projection screen 5, the appearance of projection screen 5
Wall is provided with diffuse reflecting screen 21, provides clearly viewing environment for the viewing activity of user, the left-handed watch wall of diffuse reflecting screen 21 is consolidated
Surely there is external protection 20, equipment can be protected, increase the service life of equipment, the left-handed watch wall of external protection 20 is provided with
Filler 19, had both added the hardness of equipment, had certain toughness again, and the left-handed watch wall of filler 19 is provided with anti-protective layer
18, the right table wall of automatic retraction device 3 is fixed with fixed plate 1, and the appearance wall of fixed plate 1 is provided with trip bolt 2.
Trip bolt 2 sets four, and the uniform appearance wall for being arranged on fixed plate 1 of four trip bolts 2 altogether, automatic to receive
The lower end for putting device 3 is provided with support column 4, and the center of support column 4 sets cable tube 13, and the center of support column 4 is provided with
Transformer 14, the appearance wall of closure 6 is provided with illuminance sensor 7.
Operation principle：When using the projection screen automatic retraction device based on illuminance sensor, first with solid
Trip bolt 2 in fixed board 1 fixes body 9 on the wall, then when using equipment, and the illuminance sensor 7 in equipment connects
The illumination in the external world is received, then motor 12 is started working, drive rotating shaft 15, then external gear pump 17, which is rotated, drives internal messing
Gear 16 is rotated, so as to drive spool 8 to be rotated, final projection screen 9 is risen or descending motion, so far whole
Complete equipment entire run.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (5)
1. a kind of projection screen automatic retraction device based on illuminance sensor, including automatic retraction device (3), motor
(12) and body (9), it is characterised in that the body (9) is by automatic retraction device (3), projection screen (5) and spool (8), institute
State and automatic retraction device (3) is installed above body (9), the center of the automatic retraction device (3) is provided with motor
(12), the appearance wall of the motor (12) is fixed with installing plate (10), and the center of the installing plate (10) is provided with sensing
Receiver (11), the right table wall of the motor (12) is fixed with rotating shaft (15), and the right table wall of the rotating shaft (15) is fixed with close
Cover (6), the right table wall of the closure (6) is provided with inside engaged gear (16), the center of the inside engaged gear (16)
External gear pump (17) is installed, the right table wall of the closure (6) is fixed with spool (8), and the appearance wall of the spool (8) is set
Projection screen (5) is equipped with, the appearance wall of the projection screen (5) is provided with diffuse reflecting screen (21), the diffuse reflecting screen (21)
Left-handed watch wall is fixed with external protection (20), and the left-handed watch wall of the external protection (20) is provided with filler (19), the filler
(19) left-handed watch wall is provided with anti-protective layer (18), and the right table wall of the automatic retraction device (3) is fixed with fixed plate (1), institute
The appearance wall for stating fixed plate (1) is provided with trip bolt (2).
2. a kind of projection screen automatic retraction device based on illuminance sensor according to claim 1, its feature exists
In the trip bolt (2) sets four altogether, and four trip bolts (2) are uniformly arranged on the appearance wall of fixed plate (1).
3. a kind of projection screen automatic retraction device based on illuminance sensor according to claim 1, its feature exists
In the lower end of the automatic retraction device (3) is provided with support column (4), and the center of the support column (4) sets cable tube
(13)。
4. a kind of projection screen automatic retraction device based on illuminance sensor according to claim 3, its feature exists
In the center of the support column (4) is provided with transformer (14).
5. a kind of projection screen automatic retraction device based on illuminance sensor according to claim 1, its feature exists
In the appearance wall of the closure (6) is provided with illuminance sensor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720098686.1U CN206479764U (en) | 2017-01-26 | 2017-01-26 | A kind of projection screen automatic retraction device based on illuminance sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720098686.1U CN206479764U (en) | 2017-01-26 | 2017-01-26 | A kind of projection screen automatic retraction device based on illuminance sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206479764U true CN206479764U (en) | 2017-09-08 |
Family
ID=59754978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720098686.1U Expired - Fee Related CN206479764U (en) | 2017-01-26 | 2017-01-26 | A kind of projection screen automatic retraction device based on illuminance sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206479764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643648A (en) * | 2017-09-13 | 2018-01-30 | 广州励丰文化科技股份有限公司 | A kind of city canopy of the heavens and its control method |
| CN107703710A (en) * | 2017-09-13 | 2018-02-16 | 广州励丰文化科技股份有限公司 | The Wind-Pressure Resistance system and its control method of a kind of city canopy of the heavens |
-
2017
- 2017-01-26 CN CN201720098686.1U patent/CN206479764U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643648A (en) * | 2017-09-13 | 2018-01-30 | 广州励丰文化科技股份有限公司 | A kind of city canopy of the heavens and its control method |
| CN107703710A (en) * | 2017-09-13 | 2018-02-16 | 广州励丰文化科技股份有限公司 | The Wind-Pressure Resistance system and its control method of a kind of city canopy of the heavens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170908 Termination date: 20220126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |