CN109637401A - Back projection show window media darkroom - Google Patents
Back projection show window media darkroom Download PDFInfo
- Publication number
- CN109637401A CN109637401A CN201910063864.0A CN201910063864A CN109637401A CN 109637401 A CN109637401 A CN 109637401A CN 201910063864 A CN201910063864 A CN 201910063864A CN 109637401 A CN109637401 A CN 109637401A
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- Prior art keywords
- darkroom
- motor
- slide rail
- submodule
- electric slide
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
- G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
-
- 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
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- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Marketing (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention relates to a kind of back projection show window media darkrooms, solve the problems, such as that environment backlight has an impact the color of back projection show window media projection image, contrast, clarity, darkroom proposed by the invention includes lightproof unit, control system, manual time switch and control device, and lightproof unit includes a pair of of electric slide rail and the window-blind that is arranged between electric slide rail；Window-blind in three lightproof units surrounds projection darkroom, and the projector of back projection show window media is located in projection darkroom；Control system is connect with the motor in manual time switch, control device and each electric slide rail respectively.The present invention forms projection darkroom around projector using window-blind, to prevent influence of the environment light to the color of projector's projected image, contrast and clarity, improve the drop shadow effect of back projection show window media, simultaneously in non-projection period, the window-blind that can be controlled in lightproof unit by control system is opened, to not influence indoor normal daylighting.
Description
Technical field
The present invention relates to multimedia technology fields, more particularly to a kind of back projection show window media darkroom.
Background technique
Back projection technology is a kind of imaging technique for being widely applied to show window media, using dimming glass as back projection
Projection screen is imaged, and has the function of commodity Dynamic Display etc..Existing back projection show window media are often open, projection
The environment light in direction has the effect of projection imaging very big influence, and when environment light is stronger, environment backlight is to projection screen
Color, contrast, clarity will make a significant impact, or even will cause the distortion of projected image color.
Summary of the invention
Based on this, it is necessary to color, contrast, clarity for environment backlight to back projection show window media projection image
The problem of having an impact provides a kind of back projection show window media darkroom.
To solve the above problems, the invention adopts the following technical scheme:
A kind of back projection show window media darkroom, including lightproof unit, control system, manual time switch and control device,
The lightproof unit includes a pair of of electric slide rail and the window-blind that is arranged between the electric slide rail；
The window-blind in three lightproof units surrounds projection darkroom, and the projector of back projection show window media is located at
In the projection darkroom；
The control system is respectively and in the manual time switch, the control device and each electric slide rail
Motor connection.
Compared with prior art, the invention has the following advantages:
Window-blind in (1) three lightproof unit forms projection darkroom around projector, to prevent environment light to throwing
The influence of the color, contrast and clarity of shadow machine projected image, improves the drop shadow effect of back projection show window media；
(2) in non-projection period, the window-blind that can be controlled in lightproof unit by control system is opened, to not influence room
Interior normal daylighting；
(3) can be set by control device or control system window-blind automatically open or the shut-in time, automation
Degree is high, is not necessarily to manually operated；
(4) present invention has spare manual time switch, real using manual time switch when controlling equipment malfunction in the middle
Existing window-blind turns on or off, and further improves the functional reliability in projection darkroom.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the one of embodiment in back projection show window media darkroom of the present invention；
Fig. 2 is another structural schematic diagram of the one of embodiment in back projection show window media darkroom of the present invention；
Fig. 3 is the structural schematic diagram of control system in back projection show window media darkroom of the present invention.
Specific embodiment
The present invention can form darkroom in space where projector, and it is auxiliary to can be used as the raising of back projection show window media projection effect
Help equipment to use, have improve additive color, improve projection brightness, can automatically open/close, non-projection when do not influencing it is indoor just
The advantages that Chang Caiguang.Technical solution of the present invention is described in detail below in conjunction with attached drawing and preferred embodiment.
The present invention discloses a kind of back projection show window media darkroom in one of the embodiments, which includes shading list
Member, control system, manual time switch 1 and control device 2, wherein the quantity of lightproof unit is three, each lightproof unit
Including a pair of of electric slide rail and the window-blind being arranged between electric slide rail, electric slide rail be used for control window-blind opening or
It closes.
Electric slide rail in the present embodiment includes track, motor, main transmission box, secondary transmission case, coaster, bracing wire and hanging wheel,
Synchronous Transmission is wherein realized by bracing wire between main transmission box and secondary transmission case, the output shaft of motor acts on main transmission box, sliding
Vehicle is fixedly connected with bracing wire, and hanging wheel is fixedly connected with coaster, and a side of hanging wheel and window-blind connects.Work as main transmission box
When driving bracing wire campaign under the action of motor, bracing wire band fly block is slided along track, and hanging wheel drives window-blind movement, thus real
Existing window-blind turns on or off.
In the present embodiment, the window-blind in three lightproof units surrounds projection darkroom, the projection of back projection show window media
Machine 3 is located in projection darkroom, to prevent environment light to the shadow of the color of projector's projected image, contrast and clarity
It rings, improves the drop shadow effect of back projection show window media.As shown in Figure 1, projector 3 and spectators point in back projection show window media
Not Wei Yu show window dimming glass 6 two sides, project darkroom and with projector 3 be located at the ipsilateral of show window dimming glass 6.Each shading
Unit includes that a pair of of electric slide rail and window-blind, one of electric slide rail are fixed on ceiling 7, a side of window-blind
It is connect with the electric slide rail, and window-blind extends downwardly, three window-blinds extended downwardly and show window dimming glass 6, smallpox
Plate 7 forms solid space, which is to project darkroom；The corresponding another side of each window-blind is electronic with another
Slideway connection, when system starts, conplane 2 electric slide rails up and down start simultaneously, and synchronous same direction movement drives and hides
Light curtain sliding, to realize turning on or off for window-blind.
As shown in Fig. 2, a pair of of electric slide rail in each lightproof unit is parallel with horizontal plane, i.e. electricity in Fig. 2
Sliding way (10), electric slide rail (11), electric slide rail (12), electric slide rail (13), electric slide rail (14) and electric slide rail (15)
Parallel with horizontal plane, wherein electric slide rail (10), electric slide rail (11), electric slide rail (12) are the electric sliding positioned at top
Road, they are fixedly connected with ceiling 7；Electric slide rail (13), electric slide rail (14), electric slide rail (15) are and electric slide rail
(10), electric slide rail (11), the corresponding electric slide rail positioned at bottom of electric slide rail (12), they are solid by four support posts
Determine on the ground, to pass through and adjust support post (8-1), support post (8-2), support post (8-3) and support post (8-4)
Highly, electric slide rail (13), electric slide rail (14) and electric slide rail (15) and back projection show window media picture lower edge can be made
In sustained height.Same window-blind, electric slide rail (11) and electric slide rail are slided in electric slide rail (10) and electric slide rail (13)
(14) same window-blind is slided, same window-blind is slided in electric slide rail (12) and electric slide rail (15).To further increase projection
The mounting stability in darkroom, electric slide rail (10), electric slide rail (11), electric slide rail (12), electric slide rail (13), electric slide rail
(14) the settable connecting rod between electric slide rail (15), such as connecting rod (9-1), connecting rod (9-2), connecting rod (9- in Fig. 2
3), connecting rod (9-4), connecting rod (9-5) and connecting rod (9-6).
Control system is connect with the motor in manual time switch 1, control device 2 and each electric slide rail respectively.Control
System is used to control the synchronization start and stop of two motors in a pair of electronic sliding, is equipped with the control device 2 and control of middle control software
System connection, control device 2 send instructions to control system by interface (such as RS485 interface), and control system is sent instructions to
Motor in each electric slide rail, motor start or stop according to instruction, and in electric slide rail, motor acts on main transmission
Case, main transmission box drive bracing wire, slide in the track coaster, and coaster drives hanging wheel in sliding, slide hanging wheel, hanging wheel peace
Window-blind is filled, turns on or off window-blind by the movement of hanging wheel.Wherein, middle control software can be according to the time set
It arranges to send RS485 code, realizes automatically opening or closing for window-blind, high degree of automation is not necessarily to manually operated；
Manual time switch 1 can be carried out by manually controlling in electric slide rail motor start and stop in middle control software errors
The equipment remedied in time further improves the functional reliability in projection darkroom.In non-projection period, control system control can be passed through
Window-blind in lightproof unit processed is opened, to not influence indoor normal daylighting.
As a kind of specific embodiment, as shown in figure 3, the control system in the present embodiment includes power circuit block
4 and control module 5, wherein power circuit block 4 is used to power for entire control module 5, and power circuit block 4 can be control mould
Block 5 provides required 3.3V, 5V and 12V voltage, to guarantee the normal work of control module 5.Control in present embodiment
Module includes MCU submodule 5-1, infrared receiving circuit submodule 5-2, sound light alarming circuit submodule 5-3, first motor driving
Circuit submodule 5-4, the second motor-drive circuit submodule 5-5, third motor-drive circuit submodule 5-6, the 4th motor drive
Dynamic circuit submodule 5-7, the 5th motor-drive circuit submodule 5-8, the 6th motor-drive circuit submodule 5-9 and travel switch
5-10。
Specifically, infrared receiving circuit submodule 5-2, sound light alarming circuit submodule 5-3, first motor driving circuit
Module 5-4, the second motor-drive circuit submodule 5-5, third motor-drive circuit submodule 5-6, the 4th motor-drive circuit
Submodule 5-7, the 5th motor-drive circuit submodule 5-8, the 6th motor-drive circuit submodule 5-9 and travel switch 5-10 points
It is not connect with MCU submodule 5-1, and first motor driving circuit submodule 5-4 to the 6th motor-drive circuit submodule 5-9
It connects one to one respectively with the motor (i.e. motor 1 to motor 6) in each electric slide rail, MCU submodule 5-1 passes through each electricity
Drive circuit submodule controls the start and stop of the motor in corresponding two electric slide rails of same window-blind, to realize window-blind
Turn on or off.
After travel switch 5-10 detects that the coaster in electric slide rail is run to designated position, travel switch 5-10 is sent
Signal controls corresponding motor according to the signal to MCU submodule 5-1, MCU submodule 5-1 and shuts down.Travel switch 5-10
Setting can further improve motor operating safety, prevent motor from damaging because electric current is excessive.
When MCU submodule 5-1 completes beating for corresponding window-blind by each motor-drive circuit submodule and each motor
After on or off is closed, MCU submodule 5-1 sends a signal to sound light alarming circuit submodule 5-3, so that sound light alarming circuit is sub
Module 5-3 carries out sound and/or light warning according to the signal, whether just to prompt staff's back projection show window media darkroom
Often operation.
The control device 2 for being equipped with middle control software is communicated to connect by RS485 agreement and MCU submodule 5-1, is set in middle control
It can be set the opening and closing time to darkroom on standby 2, after the time for reaching setting, control device 2 passes through RS485 interface
Send instructions to the starting that MCU submodule 5-1, MCU submodule 5-1 controls corresponding motor by motor-drive circuit submodule
Perhaps stop realizing automatically opening or closing for window-blind, high degree of automation is not necessarily to manually operated.Meanwhile MCU
The real-time status that submodule 5-1 turns on or off window-blind feeds back to control device 2, the staff in control device 2
The current state in back projection show window media darkroom can be observed in real time.
Manual time switch 1 is connect with MCU submodule 5-1, when control device 2 breaks down, can pass through timing manually
Switch 1 manually controls the start and stop of motor in electric slide rail.
Further, back projection show window media darkroom further includes infrared remote-control device, and infrared remote-control device includes infrared hair
Transmit-receive radio road submodule；Infrared receiving circuit submodule 5-2 in control module 5 is matched with infrared transmitting circuit submodule, real
Now to the remote control of the opening and closing in back projection show window media darkroom.When needing to turn on or off back projection show window media
When darkroom, corresponding opening key is pressed on infrared remote-control device or closes key, the transmitting of infrared transmitting circuit submodule
Corresponding infrared signal, infrared receiving circuit submodule 5-2 receive the infrared signal of infrared transmitting circuit submodule transmitting,
And MCU submodule 5-1, MCU submodule 5-1 is sent a control signal to according to infrared signal and passes through motor-drive circuit submodule
Control the electric motor starting in corresponding electric slide rail perhaps stopping thus realize window-blind sliding or stop sliding, in turn
It realizes the remote control turned on or off to window-blind, improves the operation ease in back projection show window media darkroom.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of back projection show window media darkroom, which is characterized in that including lightproof unit, control system, manual time switch (1)
With control device (2), the lightproof unit includes a pair of of electric slide rail and the window-blind that is arranged between the electric slide rail；
The window-blind in three lightproof units surrounds projection darkroom, and the projector (3) of back projection show window media is located at
In the projection darkroom；
The control system is respectively and in the manual time switch (1), the control device (2) and each electric slide rail
Motor connection.
2. back projection show window media darkroom according to claim 1, which is characterized in that the control system includes power supply electricity
Road module (4) and control module (5), the control module include MCU submodule (5-1), infrared receiving circuit submodule (5-
2), sound light alarming circuit submodule (5-3), first motor driving circuit submodule (5-4) to the 6th motor-drive circuit submodule
Block (5-9) and travel switch (5-10)；
The power circuit block (4) is used to power for the control module (5)；
The infrared receiving circuit submodule (5-2), the sound light alarming circuit submodule (5-3), first motor driving
Circuit submodule (5-4) to the 6th motor-drive circuit submodule (5-9) and the travel switch (5-10) respectively with the MCU
Submodule (5-1) connection, and the first motor driving circuit submodule (5-4) is to the 6th motor-drive circuit submodule (5-
9) it connects one to one respectively with the motor in each electric slide rail.
3. back projection show window media darkroom according to claim 2, which is characterized in that it further include infrared remote-control device, institute
Stating infrared remote-control device includes infrared transmitting circuit submodule；
The infrared receiving circuit submodule (5-2) receives the infrared signal of the infrared transmitting circuit submodule transmitting, and
The MCU submodule (5-1) is sent a control signal to according to the infrared signal, so that the MCU submodule (5-1) passes through
Motor-drive circuit submodule controls the motor start and stop in the corresponding electric slide rail.
4. back projection show window media darkroom according to claim 2 or 3, which is characterized in that
The control device (2) and the MCU submodule (5-1) pass through RS485 protocol communication.
5. back projection show window media darkroom according to claim 2 or 3, which is characterized in that
The power circuit block (4) is that the voltage that the control module (5) provide is respectively 3.3V, 5V and 12V.
6. according to claim 1 to back projection show window media darkroom described in 3 any one, which is characterized in that the electric sliding
Road includes track, motor, main transmission box, secondary transmission case, coaster, bracing wire and hanging wheel；
Pass through the bracing wire Synchronous Transmission between the main transmission box and the secondary transmission case；
The output shaft of the motor acts on the main transmission box, and the coaster is fixedly connected with the bracing wire, the hanging wheel with
The coaster is fixedly connected, and the hanging wheel is connect with a side of the window-blind；
When the main transmission box drives the bracing wire campaign under the action of motor, the bracing wire drives the coaster edge
The track sliding, the hanging wheel drive the window-blind movement.
7. according to claim 1 to back projection show window media darkroom described in 3 any one, which is characterized in that
A pair electric slide rail in each lightproof unit is parallel with horizontal plane, and is located at the described electronic of top
Slideway is fixedly connected with ceiling (7), and the electric slide rail positioned at bottom is fixed on the ground by support post (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910063864.0A CN109637401A (en) | 2019-01-23 | 2019-01-23 | Back projection show window media darkroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910063864.0A CN109637401A (en) | 2019-01-23 | 2019-01-23 | Back projection show window media darkroom |
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| Publication Number | Publication Date |
|---|---|
| CN109637401A true CN109637401A (en) | 2019-04-16 |
Family
ID=66063270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910063864.0A Pending CN109637401A (en) | 2019-01-23 | 2019-01-23 | Back projection show window media darkroom |
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| Country | Link |
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| CN (1) | CN109637401A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112363364A (en) * | 2020-11-23 | 2021-02-12 | 深圳市易平方网络科技有限公司 | Water mist projection system |
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| CN202299529U (en) * | 2011-10-28 | 2012-07-04 | 上海宏钢电站设备铸锻有限公司 | Open type flexible shading tent |
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| CN206499314U (en) * | 2016-12-08 | 2017-09-19 | 上海楷都智能科技有限公司 | Electric up-down curtain opening and closing machine structure |
| CN207380438U (en) * | 2017-08-11 | 2018-05-18 | 北方自动控制技术研究所 | A kind of rear-projection camera bellows projection display equipment based on parallel truss |
| CN209265978U (en) * | 2019-01-23 | 2019-08-16 | 吉林省鼎瓒科技有限公司 | Back projection show window media darkroom |
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2019
- 2019-01-23 CN CN201910063864.0A patent/CN109637401A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1473688A2 (en) * | 2003-04-29 | 2004-11-03 | Avraham Ben Horesh | A method and system for outdoor advertising |
| US20070158530A1 (en) * | 2006-01-12 | 2007-07-12 | Coretronic Corporation | Electric screen |
| CN202299529U (en) * | 2011-10-28 | 2012-07-04 | 上海宏钢电站设备铸锻有限公司 | Open type flexible shading tent |
| CN203970042U (en) * | 2014-07-04 | 2014-12-03 | 重庆瑞坤科技发展有限公司 | A kind of Intelligent household curtain controller |
| CN105159022A (en) * | 2015-09-24 | 2015-12-16 | 清华大学 | Indoor automatic dimming system matched with action of projector and dimming method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112363364A (en) * | 2020-11-23 | 2021-02-12 | 深圳市易平方网络科技有限公司 | Water mist projection system |
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