CN104090453A - Projector light source drive system and projector - Google Patents
Projector light source drive system and projector Download PDFInfo
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- CN104090453A CN104090453A CN201410288997.5A CN201410288997A CN104090453A CN 104090453 A CN104090453 A CN 104090453A CN 201410288997 A CN201410288997 A CN 201410288997A CN 104090453 A CN104090453 A CN 104090453A
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- light source
- projector
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Abstract
The invention provides a projector light source drive system and a projector. The projector light source drive system is used for selectively driving a first light source and a second light source with different wave lengths. The projector light source drive system comprises a projection module and a light source projection module, wherein the projection module comprises a first signal transmitting unit and a signal input unit, and the light source projection module comprises a drive unit and a switching unit. The drive unit is connected to the first signal transmitting unit, and the switching unit is connected to the signal input unit. The switching unit is connected to the drive unit, the first light source and the second light source. The switching unit enables the drive unit to drive the first light source or the second light source in a switching mode according to signals received by the signal input unit. The projector light source drive system can achieve light source selectivity, operation can be more convenient, and controllability is improved.
Description
Technical field
The present invention relates to projector field, relate in particular to a kind of projector light source driving system.
Background technology
As everyone knows, projector, in Installation and Debugging, need to carry out level correction to projection light source, to reach correct position.For the light source (as LASER Light Source) of proofreading and correct, be independent of projection light source, generally with the visible light part of laser, carry out level correction, with the invisible light of laser, partly carry out sensing, at present for driving the circuit of these two kinds of light sources to be formed by projection module and light source projects module, projection module is controlled driver element startup invisible light and is realized sensing modes on the one hand, by the power switch on manual control light source projects module, start visible ray on the other hand and work, carry out the visual level correction operation of naked eyes.Default time delay of closing visible ray work of CPU (central processing unit) on light source projects module, when installation personnel completes correction in predetermined time in not, need to re-press the power switch in light source projects module, unlatching visible ray is proofreaied and correct, operate very inconvenient, in addition, this power switch of every day use personnel maloperation, opens visible ray and permanent direct-view easily works the mischief.
Therefore, be necessary to design a kind of novel projector light source driving system, to overcome above-mentioned defect.
Summary of the invention
The object of the present invention is to provide a kind of projector light source driving system, can realize light source selectively unlocking, make more convenient to operately, guarantee security.
For achieving the above object, the invention provides a kind of projector light source driving system, in order to optionally to drive wavelength different the first light source and secondary light source, this projector light source driving system comprises
Projection module, is provided with first signal transmitting element and signal input unit; And
Light source projects module, is provided with driver element and switch unit, and driver element is connected in first signal transmitting element, and switch unit is connected in signal input unit;
Wherein, switch unit connects driver element, the first light source and secondary light source, and switch unit, according to the signal receiving from signal input unit, switches to driver element and drives the first light source or secondary light source.
Preferably, first signal transmitting element sends periodic signal and controls driver element.
Preferably, the periodic signal that receives first signal transmitting element when driver element is high level, and the signal that receives of switch unit is while being low level, and driver element switches to and drives the first light source.
Preferably, the periodic signal that receives first signal transmitting element when driver element is high level, and the signal that receives of switch unit is while being high level, and driver element switches to driving secondary light source.
Preferably, projection module is also provided with control module, and control module comprises:
Processing unit, the selection signal receiving for the treatment of signal input unit;
Secondary signal transmitting element, sends to switch unit by the selection signal through processing unit processes.
Preferably, signal input unit is screen menu type regulon.
Preferably, signal input unit comprises telechiric device, in order to Long-distance Control switch unit.
Preferably, the first light source is visible light source, and secondary light source is invisible light light source.
Preferably, the first light source is for the level correction of projector, and secondary light source is for the interactive sensing of projector.
The present invention also provides a kind of projector, and this projector has above-mentioned projector light source driving system.
Compared with prior art, the present invention can realize selectively unlocking light source, makes more convenient to operately, has increased controllability, and has reduced the use cost of on-off element.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a kind of projector light source driving system of first embodiment of the invention;
Fig. 2 is the structured flowchart of a kind of projector light source driving system of second embodiment of the invention;
Fig. 3 is the signal timing diagram of a kind of projector light source driving system of the embodiment of the present invention.
Embodiment
For making that object of the present invention, structure, feature and function thereof are had to further understanding, hereby coordinate embodiment to be described in detail as follows.
Shown in Fig. 1, disclosed the structured flowchart of the first embodiment of projector light source driving system of the present invention, this projector light source driving system is in order to optionally to drive wavelength different the first light source 31 and secondary light source 32, and this projector light source driving system comprises projection module 1 and light source projects module 2.
Projection module 1 is provided with first signal transmitting element 11 and signal input unit 12.First signal transmitting element 11 transmitted signals are controlled driver element 21, preferred, and first signal transmitting element 11 sends periodic signal and controls driver element 21.Light source projects module 2 is provided with driver element 21 and switch unit 22, and driver element 21 is connected in first signal transmitting element 11, and switch unit 22 is connected in signal input unit 12; Wherein, switch unit 22 connects driver element 21, the first light source 31 and secondary light source 32, switch unit 22, according to the signal receiving from signal input unit 12, switches to driver element 21 and drives the first light source 31 or described secondary light source 32, has improved operation controllability.As shown in projector light source driving system signal timing diagram as of the present invention in Fig. 3, further, the periodic signal V2 that receives first signal transmitting element 11 when driver element 21 is high level, and when the signal V1 that switch unit 22 receives is low level, driver element 21 switches to and drives the first light source 31 work (being high level corresponding to V4), for the level correction of projector; Further, the periodic signal V2 that receives first signal transmitting element 11 when driver element 21 is high level, and when the signal V1 that switch unit 22 receives is high level, driver element 21 switches to and drives secondary light source 32 work (being low level corresponding to V3), for the interactive sensing of projector.Preferably, the first light source 31 is visible light source, and secondary light source 32 is invisible light light source.
Projection module 1 presets " Installation Modes ", by signal input unit 12, select this pattern, signal input unit 12 has password setting unit, and can point out input password, in signal input unit 12, key in and preset the password matching, " Installation Modes " opened, and this function prevents that follow-up user of service from entering this pattern, open visible ray and cause potential harm, improved security.According to the user interface of signal input unit 12, " projector light source " is made as to " closing " (can be also " covering " state, lower same), " visible light source " is set to " unlatching " state, now can point out the visible light source opening time is set, according to prompting, set a time value, " invisible light light source " is set to " closing " state, the signal that switch unit 22 receives is lasting low level signal, the periodic signal that driver element 21 receives first signal transmitting element 11 is high level, switch unit 22 is controlled driver element 21 and is switched to driving visible light source, now visible light source work, installation personnel carries out Light source correction according to visible ray to projection arrangement, when installing, reach default time value correction time, low level signal interrupts, now switch unit 22 disconnections are connected with visible light source, visible light source is closed, avoid An Installed personnel to forget and close visible light source, directly to user, use, cause potential safety hazard.
In addition, " projector light source " is made as to " closing ", " visible light source " is set to " closing " state, " invisible light light source " is set to " unlatching " state, now, the signal that switch unit 22 receives is lasting high level signal, the periodic signal that receives first signal transmitting element 11 when driver element 21 is high level signal, switch unit 22 switches to invisible light light source, driver element 21 drives invisible light light source works, and projection arrangement carries out sensing modes action according to invisible light.
Wherein, directly close timer option, do not set the visible light source opening time during value, signal input unit 12 continues to send low level signal, switch unit 22 receives the low level signal of signal input unit, the periodic signal that receives first signal transmitting element 11 when driver element 21 is high level, and switch unit 22 switches to visible light source, and driver element 21 drives visible light source work.Before signal input unit 12 input next instructions, visible light source is in normally open, and installation personnel carries out Light source correction according to visible ray to projection arrangement, without worry visible ray, can automatically close.
In addition, " visible light source " is set to " closing " state, " invisible light light source " is set to " closing " state, now, signal input unit is interrupted transmitted signal, switch unit 22 no signal accesses, switch unit 22 interrupts " visible light source ", and now visible light source is closed; Switch unit 22 interrupts " invisible light light source ", and now invisible light light source is closed.
Preferably, " distant control function " is set to " unlatching " state, signal input unit 12 is telechiric device, in order to Long-distance Control switch unit 22, according to telechiric device, select signal, switch unit 22 receives the signal of telechiric device input, and switching and interruption are connected with visible light source or invisible light light source.This function has increased remote-operable, especially, when projector is arranged on eminence, avoids installation personnel to climb up and climbs down.
Shown in Fig. 2, disclosed the structured flowchart of the second embodiment of projector light source driving system of the present invention, be with the difference of the first embodiment, projection module 1 is also provided with control module 4, this control module 4 comprises processing unit 41 and secondary signal transmitting element 42, the selection signal that processing unit 41 receives for the treatment of signal input unit 12, secondary signal transmitting element 42 sends to switch unit 22 by the selection signal of processing through processing unit 41.Secondary signal transmitting element 42 connection switching unit 22.Signal input unit 12 receives the selection signal of extraneous input, and processing unit 41 controls by selecting signal to convert to the reception signal that switch unit 22 switches, and sends to switch unit 22 by secondary signal transmitting element 42.Further, when signal input unit 12 is set to " unlatching " state by " visible light source ", " invisible light light source " is set to " closing " state, processing unit 41 converts this selection signal to low level signal, and secondary signal transmitting element 42 sends this low level signal to switch unit 22; When signal input unit 12 is set to " closing " state by " visible light source ", " invisible light light source " is set to " unlatching " state, processing unit 41 converts this selection signal to high level signal, and secondary signal transmitting element 42 sends this high level signal to switch unit 22; When signal input unit 12 is set to " closing " state by " visible light source ", " invisible light light source " is set to " closing " state, processing unit 41 will be carried out interrupt task, secondary signal transmitting element 42 look-at-mes send, switch unit 22 no signal accesses, the connection of cut-out and visible light source or invisible light light source.Further, this signal input unit 12 is screen menu type regulon.
The embodiment of a kind of projector of the present invention comprises the projector light source driving system described in above-mentioned example.This projector has projector light source, visible light source and invisible light light source.Projector light source meets the needs of light source projection for normal use procedure, visible light source is for the correction of light source projected position, and invisible light light source is for realizing the interactive sensing modes of projector.Control module 4 presets mode of operation, comprising " Installation Modes ", " use pattern ", by signal input unit 12, selects mode of operation." Installation Modes " course of work, as described in the first embodiment, is not repeating herein.
By signal input unit 12, select " use pattern " option, now, " projector light source " is set to " unlatching ", and " visible light source " is defaulted as " closing " state, and " invisible light light source " is set to " unlatching " state.Now, " projector light source " is in running order, and secondary signal transmitting element 42 continues to send high level signal, and switch unit 22 receives the high level signal of secondary signal transmitting element 42, and now visible light source is closed, and avoids user to make harm; When the periodic signal that receives first signal transmitting element 11 when driver element 21 is high level signal, switch unit 22 switches driver element 21 and switches to driving invisible light light source, invisible light light source works now, projection arrangement carries out sensing modes action according to invisible light, meets the needs of user interaction projection.
The present invention is described by above-mentioned related embodiment, yet above-described embodiment is only for implementing example of the present invention.Must be pointed out that, the embodiment having disclosed does not limit the scope of the invention.On the contrary, the change done without departing from the spirit and scope of the present invention and retouching, all belong to scope of patent protection of the present invention.
Claims (10)
1. a projector light source driving system, in order to optionally to drive wavelength different the first light source and secondary light source, is characterized in that described projector light source driving system comprises
Projection module, is provided with first signal transmitting element and signal input unit; And
Light source projects module, is provided with driver element and switch unit, and described driver element is connected in described first signal transmitting element, and described switch unit is connected in described signal input unit;
Wherein, described switch unit connects described driver element, described the first light source and described secondary light source, and described switch unit, according to the signal receiving from described signal input unit, switches to described driver element and drives described the first light source or described secondary light source.
2. projector light source driving system as claimed in claim 1, is characterized in that, described first signal transmitting element sends periodic signal and controls described driver element.
3. projector light source driving system as claimed in claim 2, it is characterized in that, the periodic signal that receives described first signal transmitting element when described driver element is high level, and when the signal that described switch unit receives is low level, described driver element switches to and drives described the first light source.
4. projector light source driving system as claimed in claim 2, it is characterized in that, the periodic signal that receives described first signal transmitting element when described driver element is high level, and when the signal that described switch unit receives is high level, described driver element switches to and drives described secondary light source.
5. projector light source driving system as claimed in claim 1, is characterized in that, described projection module is also provided with control module, and described control module comprises:
Processing unit, the selection signal receiving for the treatment of described signal input unit;
Secondary signal transmitting element, sends to described switch unit by the selection signal through described processing unit processes.
6. projector light source driving system as claimed in claim 5, is characterized in that, described signal input unit is screen menu type regulon.
7. projector light source driving system as claimed in claim 5, is characterized in that, described signal input unit comprises telechiric device, in order to switch unit described in Long-distance Control.
8. projector light source driving system as claimed in claim 1, is characterized in that, described the first light source is visible light source, and described secondary light source is invisible light light source.
9. projector light source driving system as claimed in claim 1, is characterized in that, described the first light source is for the level correction of described projector, and described secondary light source is for the interactive sensing of described projector.
10. a projector, is characterized in that, has the projector light source driving system described in any one in claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410288997.5A CN104090453B (en) | 2014-06-24 | 2014-06-24 | A kind of projector light source driving system and projecting apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410288997.5A CN104090453B (en) | 2014-06-24 | 2014-06-24 | A kind of projector light source driving system and projecting apparatus |
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| CN104090453A true CN104090453A (en) | 2014-10-08 |
| CN104090453B CN104090453B (en) | 2016-05-11 |
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| CN1612032A (en) * | 2003-10-30 | 2005-05-04 | 佳能株式会社 | Image-projecting apparatus |
| CN200944179Y (en) * | 2006-08-04 | 2007-09-05 | 上海广电光显技术有限公司 | Photoelectric location and projector of infrared writing and projection system equipped with the same |
| CN101554328A (en) * | 2008-04-08 | 2009-10-14 | 硕颉科技股份有限公司 | Optical device and corrector method thereof |
| CN201749281U (en) * | 2010-06-02 | 2011-02-16 | 广景科技有限公司 | Portable interactive projection device |
| US20130119877A1 (en) * | 2011-11-15 | 2013-05-16 | Industrial Technology Research Institute | Light source apparatus and driving apparatus thereof |
| CN103246141A (en) * | 2013-05-03 | 2013-08-14 | 苏州佳世达光电有限公司 | Light source correction system |
| CN103379708A (en) * | 2012-04-20 | 2013-10-30 | 隆达电子股份有限公司 | Lighting device capable of adjusting brightness and brightness adjusting method thereof |
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2014
- 2014-06-24 CN CN201410288997.5A patent/CN104090453B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1612032A (en) * | 2003-10-30 | 2005-05-04 | 佳能株式会社 | Image-projecting apparatus |
| CN200944179Y (en) * | 2006-08-04 | 2007-09-05 | 上海广电光显技术有限公司 | Photoelectric location and projector of infrared writing and projection system equipped with the same |
| CN101554328A (en) * | 2008-04-08 | 2009-10-14 | 硕颉科技股份有限公司 | Optical device and corrector method thereof |
| CN201749281U (en) * | 2010-06-02 | 2011-02-16 | 广景科技有限公司 | Portable interactive projection device |
| US20130119877A1 (en) * | 2011-11-15 | 2013-05-16 | Industrial Technology Research Institute | Light source apparatus and driving apparatus thereof |
| CN103379708A (en) * | 2012-04-20 | 2013-10-30 | 隆达电子股份有限公司 | Lighting device capable of adjusting brightness and brightness adjusting method thereof |
| CN103246141A (en) * | 2013-05-03 | 2013-08-14 | 苏州佳世达光电有限公司 | Light source correction system |
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| CN104090453B (en) | 2016-05-11 |
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