CN104394341A - Dimming screen projection system and projection method - Google Patents
Dimming screen projection system and projection method Download PDFInfo
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- CN104394341A CN104394341A CN201410428838.0A CN201410428838A CN104394341A CN 104394341 A CN104394341 A CN 104394341A CN 201410428838 A CN201410428838 A CN 201410428838A CN 104394341 A CN104394341 A CN 104394341A
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Abstract
The invention discloses a dimming screen projection system which comprises control equipment, projection equipment and a dimming glass screen. The control equipment comprises an output control piece, a power source controller and a processing unit. The projection equipment is connected with the output control piece; the dimming glass screen is connected with the power source controller; and the processing unit is configured to enable the output control piece and the power source controller to establish communication in the control equipment. The projection equipment carries out projection on content needing projecting through the control of the output control piece of the control equipment. The dimming glass screen switches power-on and power-off states through the power source controller of the control equipment. When the power source controller provides power to the dimming glass screen, the dimming glass screen can be served as common transparent glass; and when the power source controller stops providing power to the dimming glass screen, the dimming glass screen can be served as a projection curtain. Through the three-in-one complete-set projection system formed by the control equipment, the projection equipment and the dimming glass screen, a relation between the dimming glass screen and the projection equipment is established, and intelligence and convenience of the dimming glass screen in the projection field are effectively improved.
Description
Technical field
The present invention relates to one and possess the Trinitarian dimming glass application system of electronic-control dimming glass, projector equipment and control appliance.
Background technology
Dimming glass is applied to indoor decoration more, intercepts purple outside line and public safety field on the market at present, because dimming glass intercepts the respond well of light under spray pattern, is therefore also applied to projection screen.But the technology being applied in projection screen aspect is at present also immature, some enterprises are had to attempt the project content of projection device to be incident upon on dimming glass at present, but there is the problem of following two aspects: on the one hand, do not have associated independent operation between projection device and dimming glass, all cumbersome to the switch debugging of projection like this; In addition on the one hand, when dimming glass is used for projection screen, the imaging definition of this side of dimming glass acceptance projection is less than the imaging definition of another side, and in practice, the place of projection device and viewing projection is the both sides at dimming glass.
Summary of the invention
The object of this invention is to provide and a kind of dimming glass is used as projection imaging curtain, and be equipped with can to the complete optical projection system of the control appliance that projector equipment and dimming glass jointly control.
According to an aspect of the present invention, provide a kind of adjusting light screen optical projection system, comprise control appliance, projector equipment and dimming glass screen, projector equipment is set to image or VIDEO PROJECTION to present projected picture to dimming glass screen, control appliance comprises output control, power-supply controller of electric and processing unit, power-supply controller of electric is set to control dimming glass screen energising power-off, export control to be connected with power-supply controller of electric by processing unit, projector equipment is connected with output control, dimming glass screen is connected with power-supply controller of electric, processing unit is configured such that output control, power-supply controller of electric sets up communication in control appliance, thus jointly control the operation of projector equipment (2) and dimming glass screen (3), what is called jointly controls: before processing unit sends projection instruction to output control, processing unit first sends projection reserved instruction to output control, output control receives this instruction and controls projector equipment and enters preparation opening, and while processing unit transmission projection reserved instruction, send cut-offing instruction to power-supply controller of electric, power-supply controller of electric cuts off the power supply to light modulation glass screen after receiving power-off signal.
In some embodiments, export control to be connected by RS232 serial ports with projector equipment.
Its beneficial effect is, control appliance is for controlling projector equipment and dimming glass screen, the content of required projection controls to project by the output control of control appliance by projector equipment, dimming glass screen switches energising and off-position by the power-supply controller of electric of control appliance, when power-supply controller of electric is powered to light modulation glass screen, dimming glass screen can be used as conventional clear glass, when power-supply controller of electric is stopped power supply to light modulation glass screen, dimming glass screen can be used as projection screen, by this control appliance, projector equipment, the Trinitarian complete optical projection system of dimming glass screen, make to set up between dimming glass screen with projector equipment to contact, effectively improve dimming glass screen in the intelligent of projection field and convenience.
Correspondingly, present invention also offers a kind of projecting method comprising above-mentioned adjusting light screen optical projection system, comprise following steps:
(a), when opening adjusting light screen optical projection system, processing unit sends projection instruction to output control, and simultaneously sends cut-offing instruction to power-supply controller of electric;
(b), export control and receive projection instruction and start Signal transmissions to projector equipment, power-supply controller of electric receives cut-offing instruction and cuts off the power supply to light modulation glass screen simultaneously.
Its beneficial effect is, when opening adjusting light screen optical projection system, control appliance is controlling projector equipment and dimming glass screen simultaneously, the cut-off power supply of dimming glass screen changes opaque state into, therefore in time as curtain, for projector equipment, content can be projected on dimming glass screen, and for user, only need at place's operational control unit, without the need to more respectively two projector equipment and dimming glass shielded operate.
In some embodiments, in step (a), before processing unit sends projection instruction to output control, processing unit first sends projection reserved instruction to output control, output control receives this instruction and controls projector equipment and enters preparation opening, and while processing unit transmission projection reserved instruction, send cut-offing instruction to power-supply controller of electric, power-supply controller of electric cuts off the power supply to light modulation glass screen after receiving power-off signal.
In some embodiments, after power-supply controller of electric cuts off the power supply to light modulation glass screen, this is recorded as working result instruction, and working result instruction is sent to processing unit, after processing unit receives feedback operation result, send projection instruction to exporting control, output control receives this instruction and controls projector equipment and enters opening.
Its beneficial effect is, can guarantee that projector equipment is just started working after the power-off of dimming glass screen like this, in order to avoid occur that dimming glass screen does not also have power-off, projector equipment has just started the awkward situation of the work of projecting, and also can give the time of a projector equipment preheating in addition.
In some embodiments, after projection, processing unit sends to output control and stops projection instruction, exports control and receives this instruction and cut off the power supply to projector equipment.
Its beneficial effect is, the opening and closing of projection work, all only need be manipulated by control appliance, is a ripe optical projection system, avoids projector equipment and dimming glass in the past and shields the trouble that two operates separately.
Accompanying drawing explanation
Fig. 1 is the structural representation of the adjusting light screen optical projection system of one embodiment of the invention.
Embodiment
Adjusting light screen optical projection system comprises control appliance 1, projector equipment 2 and dimming glass screen 3.Projector equipment 2 is for presenting image or VIDEO PROJECTION in projected picture to dimming glass screen 3, and control appliance 1 is for controlling projector equipment 2, the unlatching of dimming glass screen 3 or cut out.
Wherein control appliance 1 comprises output control 11, power-supply controller of electric 12 and processing unit 13.Export control 11 to project for controlling projector equipment 2, power-supply controller of electric 12 is for controlling dimming glass screen 3 energising power-off, and processing unit 13 sets up communication and sending and receiving communication identification code information for making output control 11, power-supply controller of electric 12 in control appliance 1.
Particularly, in the present embodiment, processing unit 13 is built-in with operating system, and export control 11 and be built in control appliance 1, exporting control 11 is a miniature central control chip.Control appliance 1, projector equipment 2, output control 11 all have RS232 serial ports, and the serial ports exporting control 11 is connected by corresponding model VGA line with the serial ports of control appliance 1, projector equipment 2 respectively.Miniature central control chip is the same with the chip of common central control host on the market, exports control 11 and regulates input RS232 control routine to arrange wizard program by serial ports program coded and control appliance 1, projector equipment 2 set up communication respectively.
Power-supply controller of electric 12 is connected with control appliance 1 by Communication Control line, sends communication identification code set up communication by processing unit 13.Power-supply controller of electric 12 shields 3 by power line and dimming glass and is connected, and controls energising and the power-off of dimming glass screen 3.
The dimming glass that dimming glass screen 3 is namely common on the market, dimming glass is that liquid crystal film compound is entered in the middle of layer glass by one, the new special photoelectric glass product of integrated sandwich after HTHP gummed.Whether user controls the transparent of glass and opaque state by the break-make controlling electric current.Glass itself not only has the characteristic of all safety glasses; possess again simultaneously and control glass transparent whether privacy protection function, due to the characteristic of liquid crystal film interlayer, dimming glass can also use as projection screen; substitute common curtain, glass presents high definition picture image.Its operation principle is, when dimming glass powered-down, the liquid crystal molecule inside dimming glass can present irregular spread state, and optical index is high, and now dimming glass presents opaque atomization apparent condition; After to dimming glass energising, the liquid crystal molecule of the inside presents proper alignment, and light can free penetrating, and now dimming glass presents pellucidity instantaneously.Therefore for the dimming glass screen 3 in the present embodiment, dimming glass screen 3 controls its operating state by power-supply controller of electric 12.When it needs to use as projection curtain, power-supply controller of electric 12 line of cutting off the electricity supply is powered and dimming glass is shielded 3 be in off-position, optical index high, opaque character when utilizing its power-off, intercepts the content that projector equipment 2 projects, and makes project content be presented on dimming glass screen 3; When it needs to use as conventional clear glass, power-supply controller of electric 12 provides dimming glass to shield 3 electric power by power line to make it be in "on" position.
According to the adjusting light screen optical projection system of the present embodiment, its projecting method comprises following steps:
A (), unlatching control appliance 1, processing unit 13 sends projection reserved instruction to output control 11, and output control 11 receives this instruction and controls projector equipment 2 and enters preparation opening.
B (), processing unit 13 sends cut-offing instruction to power-supply controller of electric 12, power-supply controller of electric 12 receives this instruction and cuts off the power supply to light modulation glass screen 3.
C (), power-supply controller of electric 12 cuts off the power supply to light modulation glass screen 3 after, this is recorded as working result instruction, and working result instruction is sent to processing unit 13.
D (), processing unit 13 working result instruction of receiving step (c), and send projection instruction to exporting control 11, exports control 11 and receives this instruction and control projector equipment 3 and enter opening.
E, after (), projection, processing unit 13 sends to output control 11 and stops projection instruction, export control 11 and receive this instruction and cut off the power supply to projector equipment 2.
Particularly, open control appliance 1 and start treatment unit 13, processing unit 13 sends a projection reserved instruction communication identification code, be sent to by RS232 serial ports and export control 11, export control 11 receive this code and power to projector equipment 2, control projector equipment 2 and be in preparation opening, make projector equipment 2 enter preheat mode.
Meanwhile, processing unit 13 sends a cut-offing instruction communication identification code in addition, is sent to power-supply controller of electric 12 by RS232 serial ports.After power-supply controller of electric 12 receives this code, cut off the power supply to light modulation glass screen 3 by power line, make dimming glass shield 3 and be in off-position, can be used as projection screen and use.
After power-supply controller of electric 12 completes this instruction, cut-out is recorded as a working result instruction to the power supply of light modulation glass screen 3, and this working result instruction is sent to processing unit 13 with communication identification code form by RS232 serial ports.
After processing unit 13 receives this working result instruction, send a projection command communication code and be sent to output control 11 by RS232 serial ports, export control 11 receive this code and the information such as transmitting image video to projector equipment 2, projector equipment 2 is made to be in projection state, the power initiation of this state and projector equipment 2 and start to carry out projection work.
After projection terminates, processing unit 13 sends a termination projection command communication code and is sent to output control 11 by RS232 serial ports, and after output control 11 receives this code, namely cut off the power supply to projector equipment 2, then projector equipment 2 terminates projection work.
The above is only one embodiment of the present invention; it should be pointed out that to those skilled in the art, without departing from the concept of the premise of the invention; can also make some similar distortion and improvement, these also should be considered as within protection scope of the present invention.
Claims (6)
1. adjusting light screen optical projection system, it is characterized in that, comprise control appliance (1), projector equipment (2) and dimming glass screen (3), described projector equipment (2) is set to image or VIDEO PROJECTION to present projected picture to described dimming glass screen (3), described control appliance (1) comprises output control (11), power-supply controller of electric (12) and processing unit (13), described power-supply controller of electric (12) is set to control dimming glass screen (3) energising power-off, described output control (11) is connected with power-supply controller of electric (12) by processing unit (13), described projector equipment (2) is connected with output control (11), described dimming glass screen (3) is connected with power-supply controller of electric (12), described processing unit (13) is configured such that described output control (11), power-supply controller of electric (12) sets up communication in control appliance (3), thus jointly control the operation of projector equipment (2) and dimming glass screen (3).
2. adjusting light screen optical projection system according to claim 1, is characterized in that, described output control (11) is connected by RS232 serial ports with projector equipment (2).
3. a projecting method for the adjusting light screen optical projection system as described in as arbitrary in claim 1-2, is characterized in that, comprise following steps:
(a), when opening adjusting light screen optical projection system, described processing unit (13) sends projection instruction to described output control (11), and sends cut-offing instruction to described power-supply controller of electric (12) simultaneously;
B (), described output control (11) receive described projection instruction and start the Signal transmissions to projector equipment (2), described power-supply controller of electric (12) receives described cut-offing instruction and cuts off the power supply to light modulation glass screen (3) simultaneously.
4. the projecting method of adjusting light screen optical projection system according to claim 3, it is characterized in that, in described step (a), before described processing unit (13) sends projection instruction to described output control (11), described processing unit (13) first sends projection reserved instruction to described output control (11), described output control (11) receives this instruction and controls described projector equipment (2) and enters preparation opening, and while processing unit (13) sends described projection reserved instruction, send described cut-offing instruction to described power-supply controller of electric (12), the power supply to described dimming glass screen (3) is cut off after described power-supply controller of electric (12) receives described cut-offing instruction.
5. the projecting method of adjusting light screen optical projection system according to claim 4, it is characterized in that, described power-supply controller of electric (12) cuts off the power supply to described dimming glass screen (3), this is recorded as working result instruction, and described working result instruction is sent to described processing unit (13), after described processing unit (13) receives described working result instruction, send projection instruction to described output control (11), described output control (11) receives this instruction and controls described projector equipment (2) and enters opening.
6. according to the projecting method of the arbitrary described adjusting light screen optical projection system of claim 4-5, it is characterized in that, after projection, described processing unit (13) stops projection instruction to the transmission of described output control (11), and described output control (11) receives this instruction and cuts off the power supply to described projector equipment (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410428838.0A CN104394341A (en) | 2014-08-27 | 2014-08-27 | Dimming screen projection system and projection method |
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| CN201410428838.0A CN104394341A (en) | 2014-08-27 | 2014-08-27 | Dimming screen projection system and projection method |
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| CN104394341A true CN104394341A (en) | 2015-03-04 |
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| CN201410428838.0A Pending CN104394341A (en) | 2014-08-27 | 2014-08-27 | Dimming screen projection system and projection method |
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| CN107340741A (en) * | 2017-08-04 | 2017-11-10 | 常州大学 | For dimming the control system and control method of projection film |
| CN107703655A (en) * | 2017-10-19 | 2018-02-16 | 深圳市唯酷光电有限公司 | The liquid crystal blackboard of projectable |
| CN108828880A (en) * | 2018-08-15 | 2018-11-16 | 晋江市八猪科技有限公司 | A kind of intelligent projection device and its application method applied to indoor partition |
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| CN107703655A (en) * | 2017-10-19 | 2018-02-16 | 深圳市唯酷光电有限公司 | The liquid crystal blackboard of projectable |
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Application publication date: 20150304 |