CN103728826A - Control method and system for fully automatically switching 3D/2D showing modes of projection stereo imager - Google Patents
Control method and system for fully automatically switching 3D/2D showing modes of projection stereo imager Download PDFInfo
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Abstract
The invention relates to a control method and system for fully automatically switching 3D/2D showing modes of a projection stereo imager. A full-automatic controller detects 3D frame sequence synchronous signals sent in a 3D state and 2D state signals sent in a 2D state of a projector in real time, and according to real-time signal features of all the showing modes, the controller fully automatically controls a mechanical transmission unit to drive a carrier and the projection stereo imager to place light paths in to achieve 3D showing setting or to withdraw the light paths to achieve 2D showing resetting. The control system for switching is suitable for the projection stereo showing field and simple and compact in structure, and switches the showing modes without auxiliary tools; signals triggering switching come from film sources and the projector self, the signal features can be efficiently and intelligently recognized in real time, and the 3D/2D showing modes corresponding to the content of the film sources can be switched automatically; the whole process of switching the showing modes is fully automatic and dispenses with staff on duty or auxiliary operation of equipment, manpower cost investment of a cinema is reduced, and the control method and system are suitable for the field which needs to switch the 3D/2D projection showing modes.
Description
Technical field
The present invention relates to projector equipment field, especially a kind of control method and system of full-automatic switching project stereoscopic imager 3D/2D display mode.
Background technology
Stereo projection technology is realized by polarisation of light principle, the light path that projector sends is after project stereoscopic imager (as: polaroid, light valve, spectroscope, etc. stereoscopic imaging apparatus), become the double light path image of synchronous projection, the polarization of light direction of this double light path image is orthogonal; When projecting to stereoprojection metal curtain and reflexing to viewer's location again, direction of polarized light does not change, and spectators can only see a corresponding polarized light image in road by every eyeball of anaglyph spectacles, thereby in visual system, produce stereo perception.Because human eye has the distance of 4-6cm, so the image in two eyes is differentiated when in fact we see object.The different image of two width is transported to after brain, and what we saw is the image that has the depth of field.As long as meet conventional viewing angle, produce suitable image shift, form stereo-picture, the three-dimensional imaging principle of polarization optical projection system that Here it is.When image sends from light path, frame order synchronizing signal must be reached to project stereoscopic imager and carry out synchronous light splitting, make the image that image that people's eyes are seen at one time by anaglyph spectacles is the corresponding different polarization of each eyeball angle, thus in onlooker's visual system the folded stereo-picture that reveals.
Because 3D film arrives human eye through two light filters (be arranged on the project stereoscopic imager in light path and be worn over spectators' anaglyph spectacles at the moment), luminous energy in this light path loss twice; If project stereoscopic imager is not withdrawn light path under 2D display mode, must bring unnecessary luminous energy to lose, from brightness, contrast, color aspect, affected the script image quality of 2D image projector.Existing 3D/2D display mode is mostly by operator, to be switched manually the working position of project stereoscopic imager, and projection person manually arranges and changes 3D/2D display mode before each projection according to film play playlist; Manual operation needs manpower and instrument frequent movement and has maloperation and omission.
Existing project stereoscopic imager mounting means casing and bracing frame installation form comparatively original, loaded down with trivial details, that adopt console mode are installed, and mobile and switching is comparatively required great effort, and occupies the interior space larger, is not suitable with the higher situation in projector installation site; Changeing of device needs other auxiliary tool equipment; And need manually on playback equipment, arrange and operate; The distance and the stroke that run into projector's switching of different lens locations need to be adjusted targetedly, and mounting or dismounting are frequent, blocked operation is inconvenient, loaded down with trivial details, efficiency is low, convenience is poor.
Summary of the invention
The object of the invention is to overcome the deficiency of above-mentioned prior art, a kind of control method of full-automatic switching project stereoscopic imager 3D/2D display mode is provided, it can not need operator's artificial 3D and 2D display mode of carrying out on duty to switch completely, and blocked operation is easy, and efficiency is high.
Another object of the present invention is to overcome the deficiency of above-mentioned prior art, a kind of control system of full-automatic switching project stereoscopic imager 3D/2D display mode is provided, it does not change the structure of existing projector, as long as additional, install after rear native system, can automatically switch the 3D of project stereoscopic imager and the display mode of 2D, without manual switching.
To achieve these goals, the technical solution used in the present invention is:
A control method for full-automatic switching project stereoscopic imager 3D/2D display mode,
Described project stereoscopic imager can move switching between full automatic controller Qu Kongxia set district and reset district; When projector starts to show 3D image, it is described set district that described project stereoscopic imager is inserted in the light path of projector; During the projection 2D of projector image, it is described reset district that described project stereoscopic imager is withdrawn projector's light path;
The 3D frame order synchronizing signal of described projector output or 2D status signal by full automatic controller detecting real-time after, full automatic controller carries out logic judgement according to signal characteristic, if the current output of projector for 2D status signal drives control mechanical transmission unit, drive described carrier and project stereoscopic imager to withdraw light path to arrive reset district; If the current output of projector is that 3D frame order synchronizing signal is driven control mechanical transmission unit and driven described carrier and project stereoscopic imager to insert light path to arrive set district.
Described full automatic controller comprises signal input module, signals collecting modular converter, central control unit, direction handover module and Mechanical Driven module;
Described signal input module is the input interface of described 3D frame order synchronizing signal, 2D status signal, reset signal, asserts signal and remote control signal;
Described signals collecting modular converter is used for the signal from described signal input module to carry out the conversion of simulating signal and digital signal, and sends digital signal to described central control unit;
Described central control unit judges the feature of the various types of signal that described signals collecting modular converter sends for logic, and sends state steering order corresponding to logic with it and drive the described Mechanical Driven module of control;
Described direction handover module is for the setting of mechanical transmission unit 3D set action and 2D homing action direction, and direction of action Ke An projector real lens position manually arranges exchange;
Described Mechanical Driven module is for controlling the method for operation and the state of described mechanical transmission unit.
Described 3D frame order synchronizing signal and 2D status signal meet Transistor-Transistor Logic level signal standards and feature; Described full automatic controller and described projector are by wired or wireless form signal transmission;
Described full automatic controller and described projector are during by wired mode transfer signal, and signalling technique parameter is:
Signal incoming frequency f scope: 15Hz≤f≤192Hz;
Signal input part voltage range: 0V is to ± 12V;
Signal input part level: be high level during >=5.0V, 0V is low level;
Logic level definition: be equivalent to logical one during high level that in signal input module, level input value is >=5.0V; Input value is equivalent to logical zero while being 0V;
Wired 3D frame synchronization state:
The 3D frame synchronizing signal level range that described projector exports when projection 3D film source is at >=5V to≤12V, and frequency f scope is in 15Hz≤f≤192Hz; The live signal of lasting square-wave waveform feature is 3D frame order synchronizing signal;
Wired 2D signal condition:
The 2D status signal of exporting during the projection 2D of described projector film source, the scope of signal output level in≤2V, frequency f≤10Hz, the live signal of lasting low level signal feature be 2D status signal;
When described full automatic controller and described projector pass through wireless signal transmission, signalling technique parameter is:
Signal incoming frequency f scope: 10Hz≤f≤192Hz;
Signal input part voltage range: 0V is to ± 12V,
Signal input part level: high level >=2V, low level≤0.4V;
Logic level definition: be equivalent to logical one during high level that signal input module signal input value is >=2V; Input value value is equivalent to logical zero while being <0.4V low level;
Wireless 3D frame synchronization state: the level range that described projector exports when projection 3D film source is at >=2V to≤12V, and frequency f scope is in 15Hz≤f≤192Hz; The live signal of lasting square-wave waveform feature is 3D frame order synchronizing signal;
Wireless 2D signal condition: during the projection 2D of described projector film source, the scope of signal output level in≤0.4V, frequency f scope≤10Hz, the live signal of lasting low level signal feature be 2D status signal.
A control system for full-automatic switching project stereoscopic imager 3D/2D display mode, comprises stationary installation, full automatic controller, mechanical transmission unit and carrier;
Described stationary installation is relative constant with the position of described projector;
3D frame order synchronizing signal or 2D status signal that described in described full automatic controller detecting real-time, projector sends, and carry out logic judgement according to signal characteristic, if the current broadcasting of projector is that 3D frame order synchronizing signal is driven control mechanical transmission unit and driven described carrier and project stereoscopic imager to insert light path to arrive set district, if the current broadcasting of projector is that 2D status signal drives control mechanical transmission unit and drives described carrier and project stereoscopic imager to withdraw light path to arrive reset district.
Described full automatic controller is controlled the method for operation and the state of described mechanical transmission unit, and described mechanical transmission unit drives described project stereoscopic imager to switch between set district and reset district.
Described stationary installation comprises support and housing, and described support is installed on suspension bracket or the light path either side of described projector; Described housing is installed on described support, and is positioned at the front upper place of the camera lens of projector;
Described mechanical transmission unit comprises screw rod, motor and mobile groove; Described screw rod and motor are installed in described housing, and described mobile groove is arranged in described housing, and described motor drives described bolt rotary, and described full automatic controller is controlled the operation of described motor;
Described carrier comprises slide block and erecting frame; Described slide block is installed on described mobile groove, and described slide block is connected with described screw flight, and is moved in doing described mobile groove by described screw drive; Described erecting frame is fixedly installed in described slide block, and described project stereoscopic imager is installed on described erecting frame.
Preferably, also spy arranges Stroke Control unit, and described Stroke Control unit comprises position transducer and lives some range finder; Described housing is provided with mounting groove, and the described some range finder of living is two, is arranged on movably described mounting groove; Described position transducer is arranged on described slide block; When described slide block moves to reset district or set district, described position transducer triggers the described some range finder of living, and described position transducer sends position state signal and to described full automatic controller, drives the shutdown operation of control motor.
The described some range finder of living is by locked with bolts at described mounting groove, and the nut of this bolt is exposed at the outside of described housing, the bolts and nuts locking mechanism that slidably regulates and fix a point, and the described some range finder of living is positioned at described housing.
Described support is Z-shaped, and one end of described support is fixedly mounted on suspension bracket or the light path either side of projector, and the other end of described support is installed described housing.
Described erecting frame comprises cross bar and is vertically mounted on respectively two vertical mounting rods at cross bar two ends, and described mounting rod is built-in with project stereoscopic imager described in mounting groove and is arranged between two vertical mounting rods; The top of described cross bar is fixedly connected with through described mobile groove with the bottom of described slide block.
Method for handover control of the present invention is with low cost, can full automatic working, and without manual operation, convenient and accurately, effectively reduce operator's working strength; And its versatility is good, user, according to the self-defined installation site of equipment actual conditions and reduction point, set-point, can compatiblely adapt to all kinds of projector lens position.
The applicable anaglyph projection of full-automatic switching control system of the present invention field, features simple structure compactness, switching are without aid, trigger the signal source of switching from film source and projector itself, automatically complete the switch operating of 3D/2D display mode, without special artificial and operate, the extra human cost that has reduced movie theatre drops into, intelligent, accurate, efficient, the convenient stereoprojection projection field that is applicable to.
Accompanying drawing explanation
Fig. 1 is that control system of the present invention is arranged on the structural representation on projector hanger.
Fig. 2 is the decomposition texture schematic diagram of control system of the present invention.
Fig. 3 is the action principle schematic diagram of slide block, the position transducer of control system of the present invention and the some range finder of living.
Fig. 4 is the schematic diagram of control method of the present invention.
Fig. 5 is hardware system functional block diagram of the present invention.
Wherein: 1. project stereoscopic imager; 3. suspension bracket; 4. projector; 5. support; 6. erecting frame; 7. the camera lens of projector; 21. housings; 23. slide blocks; 25. screw rods; 26. motors; 27. position transducers; 28. point range finders alive; 211. mounting groove; 212. move groove.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The control method of a kind of full-automatic switching project stereoscopic imager 3D/2D display mode of the present embodiment, described project stereoscopic imager 1 can automatically switch with 3D sheet source contents and 2D sheet source contents correspondence between 3D set district and Liang Ge region, 2D reset district, and the direction of action that 3D set/2D resets can be exchanged by artificial setting; Projector's 4 projection 3D images during SM set mode; Described project stereoscopic imager 1 is placed in camera lens 7 light paths of projector 4; Projector's 4 projection 2D images during reset mode, described project stereoscopic imager 1 switches to camera lens 7 light path one sides;
Described projector 4 is when projection 3D film source; Signal output level scope is at >=5V to≤12V, and frequency range is in >=20Hz to < 192Hz, and the live signal of lasting square-wave waveform feature is 3D frame order synchronizing signal;
During described projector 4 projection 2D film source, signal output level scope in≤2V, frequency range≤10Hz, the live signal of lasting low level signal feature be 2D status signal.
The 3D status signal that described projector 4 sends, 2D frame order synchronous transmission of signal are to full automatic controller, and full automatic controller judges according to signal; If projector's 4 current broadcastings is that 3D frame order synchronizing signal is driven control mechanical transmission unit and driven described carrier and project stereoscopic imager 1 to insert light path to arrive set district, if projector's 4 current broadcastings is that 2D status signal drives control mechanical transmission unit and drives described carrier and project stereoscopic imager 1 to withdraw light path to arrive reset district; .
The present invention arranges full automatic controller tool and has the following advantages:
Intelligent: the feature of efficient real-time Intelligent Recognition signal, automatically carry out the 3D/2D display mode corresponding with sheet source contents and switch;
Compatible adaptability is high: distinctive apparatus structure can customize stroke distances and the focal length distance of switching project stereoscopic imager, and 3D set and 2D reset direction can manually define, compatible all kinds of projectors and projector lens location and the focal length of adapting to of various ways;
Convenience: whole process is completely on duty without manual operation, the situation that does not exist artificial omission to operate; Reduce labour intensity and human cost.
Control mode is abundant: except full-automatic switching control mode, also support multiple external control Function Extension: TMS system, RS232 distance control mode, operator scheme manually.
The signal that the present invention supports meets Transistor-Transistor Logic level signal standards and feature.
The technical parameter that described full automatic controller is operated in ray mode is:
Signal incoming frequency f scope: 15Hz≤f≤192Hz;
Signal input part voltage range: 0V is to ± 12V;
Signal input part level: be high level during >=5.0V, 0V is low level;
Logic level definition: be equivalent to logical one during high level that in signal input module, level input value is >=5.0V; Input value is equivalent to logical zero while being 0V.
Wired 3D frame synchronization state:
The 3D frame synchronizing signal scope that described projector 4 exports when projection 3D film source is at >=5V to≤12V level, and frequency f scope is in 15Hz≤f≤192Hz; The live signal of lasting square-wave waveform feature is 3D frame order synchronizing signal;
Wired 2D signal condition:
The 2D status signal of exporting during described projector 4 projection 2D film source, the scope of signal output level in≤2V, frequency f≤10Hz, the live signal of lasting low level signal feature be 2D status signal.
The technical parameter that described full automatic controller is operated in wireless mode is:
Signal incoming frequency f scope: 10Hz≤f≤192Hz;
Signal input part voltage range: 0V is to ± 12V,
Signal input part level: high level >=2V, low level≤0.4V;
Logic level definition: be equivalent to logical one during high level that signal input module signal input value is >=2V; Input value value is equivalent to logical zero while being <0.4V low level.
Wireless 3D frame synchronization state:
The scope that described projector 4 exports when projection 3D film source is at >=2V to≤12V level, and frequency f scope is in 15Hz≤f≤192Hz; The live signal of lasting square-wave waveform feature is 3D frame order synchronizing signal;
Wireless 2D signal condition:
During described projector 4 projection 2D film source, the scope of signal output level in≤0.4, frequency f scope≤10Hz, the live signal of lasting low level signal feature be 2D status signal.
As Fig. 4, described full automatic controller comprises signal input module, signals collecting modular converter, central control unit, direction handover module and mechanical driving unit
Described signal input module is used for receiving described 3D frame order synchronizing signal, 2D status signal; And receive from Stroke Control unit, produce reset shutdown, set stopped status signal, and from the switch-over control signal of outside expansion RS232 interface.
Described signals collecting modular converter is used for the simulating signal from described signal input module to carry out the conversion of mould/number signal, and digital signal is transferred to described central control unit; Described signals collecting modular converter is set to be converted into by simulating signal the digital signal that described central control unit can identify and to identify judgement.The frame order sync cap type of described signal input module support is: GPIO, VESA, RS232; Radio frames order interface type is: DLP-Link, infrared, 2.4G;
Described direction handover module is for the setting of mechanical transmission unit 3D set action and 2D homing action direction, and direction of action Ke An projector real lens position manually arranges exchange;
Described central control unit for identifying, input: 2D status signal, 3D frame order synchronizing signal by judgement; With reset to arrive and the signal of set arrival, and according to above-mentioned signal, judge content and the display mode of current projection, and send corresponding steering order and control described Mechanical Driven module;
Described Mechanical Driven module is for controlling the operation of described mechanical transmission unit.
The control system of the full-automatic switching project stereoscopic imager 3D/2D display mode of the present embodiment, comprises stationary installation, full automatic controller, mechanical transmission unit and carrier;
As Figure 1-3, described stationary installation is relative constant with the position of described projector 4;
As Fig. 4, Fig. 5,3D frame order synchronizing signal, 2D status signal that described in described full automatic controller detecting real-time, projector 4 sends, and according to signal characteristic judgement, if the current output of projector is that 3D frame order synchronizing signal is driven control mechanical transmission unit and driven described carrier and project stereoscopic imager 1 to insert light path to arrive set district; If projector's 4 current outputs is that 2D status signal drives control mechanical transmission unit and drives described carrier and project stereoscopic imager 1 to withdraw light path to arrive reset district.
Described in one of them embodiment, full automatic controller is controlled the operation of described mechanical transmission unit and stops, and described mechanical transmission unit drives described carrier and Three-dimension imager to switch between set district and reset district.Gearing can adopt by the controlled type of drive in any position, as stepper motor device, turbine and worm, belting, air pressure and hydraulic-driven or magnetic levitation system.
As Fig. 1-3, in another embodiment, described stationary installation comprises support 5 and housing 21, and described support 5 is installed on suspension bracket 3 or the light path either side of described projector 4; Described housing 21 is installed on described support 5, and is positioned at the front upper place of the camera lens 7 of projector.Support 5 interfixes and suspension bracket 3 with the position of projector 4, to firmly carry native system and project stereoscopic imager 1.
Described mechanical transmission unit comprises screw rod 25, motor 26 and mobile groove 212; Described screw rod 25 and motor 26 are installed in described housing 21, and described mobile groove 212 is arranged in described housing 21, and described motor 26 drives described screw rod 25 to rotate, and described full automatic controller is controlled the operation of described motor 26;
Described carrier comprises slide block 23 and erecting frame 6.Described slide block 23 is installed on described mobile groove 212, and described slide block 23 is threaded with described screw rod 25, and is driven and done the interior movement of described mobile groove 212 by described screw rod 25; Described erecting frame 6 is fixedly installed in described slide block 23, and described project stereoscopic imager 1 is installed on described erecting frame 6.
In the present embodiment; the control principle of described mechanical transmission unit is that slide block 23 can drive described erecting frame 6 and project stereoscopic imager 1 at set district and two, reset district regional movement, and main story, reversion and the shutdown that described full automatic controller is controlled described motor 26 is corresponding respectively drives described slide block 23 moving and stopping to two switching directions.Realize 3D set action or 2D homing action.
As Fig. 3, be also provided with Stroke Control unit, described Stroke Control unit comprises position transducer 27 and lives some range finder 28; Described housing 21 offers mounting groove 211, and the described some range finder 28 of living is two, is arranged on movably described mounting groove 211; Described position transducer 27 is arranged on described slide block 23; When described slide block 23 moves to reset district or set district, described position transducer 27 is triggered to the described some range finder 28 of living, and described position transducer 27 sends signal and to described full automatic controller, stops the operation of motor 26.Described position transducer 27 can adopt the sensor by any induction mode to form, for example mechanical touch-type sensor, magnetic induction sensor, photoinduction sensor.
Because have nothing in common with each other in the position of the camera lens 7 of the projector of different brands 4, so the set district of handover control system of the present invention will be adjusted to over against the position of camera lens 7.By adjusting the high and low position of project stereoscopic imager 1 in described erecting frame 6 grooves, just described project stereoscopic imager 1 and projector lens 7 can be placed in to same light path;
By the direction of action of described direction handover module being set and the latched position at mounting groove 211 by the described some range finder 28 alive of adjustment; Just can set the switching direction corresponding with real lens position and set/reset region;
Its trigger mechanism is when slide block 23 arrives described some range finder 28 alive, and trigger position sensor 27 sends position signallings to full automatic controller, makes it to control motor 26 out of service, thereby has set set district and reset district.
Therefore, distinctive live some range finder and direction handover module of the present invention can all types of projectors of flexible adaptation, the real lens position of projector; Avoid project stereoscopic imager 1 still in camera lens 7 light path the place aheads, blocking at 2D display mode, the non-essential light loss bringing, the structure of distinctive position transducer 27 is slidable adjustment trigger point flexibly, operator can set the light path of its projector 4 and the switching stroke between project stereoscopic imager 1 flexibly, this structure compatible is extensive, and different camera lenses 7 positions of the projector of various brands and profile can flexible adaptation.
The described some range finder 28 of living is by locked with bolts at described mounting groove 211, and the nut of this bolt is exposed at the outside of described housing 21, and the described some range finder 28 of living is positioned at described housing 21.
The point range finder 28 of living has two, determined the sign of reduction point and set-point, the nut of bolt is in the shell of housing 21, bolts and nuts slidably regulate and fix a point and lock, can be in the situation that not opening housing 21, externally just can adjust as required the position of the some range finder 28 of living, convenient flexible.
Described support 5 is Z-shaped, and one end of described support 5 is fixedly mounted on suspension bracket 3 or the light path either side of projector, and the other end of described support 5 is installed described housing 21, and housing 21 is containing regulating groove.
Distinctive Z-type support lifting combination, supports without special casing and support, does not also occupy limited ground space and saves projecting device space, increases space, viewing place and comfortableness.
Described erecting frame 6 comprises cross bar and is vertically mounted on respectively two vertical mounting rods at cross bar two ends, and described mounting rod includes vertical adjusting groove, and described project stereoscopic imager 1 is arranged between two vertical mounting rods; The top of described cross bar is fixedly connected with through described mobile groove 212 with the bottom of described slide block 23.
Principle of work of the present invention is:
3D frame order synchronizing signal and 2D status signal that full automatic controller detecting real-time projector or project stereoscopic imager send, according to signal characteristic, carrying out intelligent logical judgement transmission drives control instruction and transfers to Mechanical Driven module controls motor to realize forward, reversion, stall action, order about mechanical transmission unit and realize Three-dimension imager the inserting and withdraw and switch action of projection light path, reach 3D projection set and 2D projection reset object.
Finally should be noted that; above content is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; the simple modification that those of ordinary skill in the art carries out technical scheme of the present invention and each assembly of elements or be equal to replacement, does not all depart from essence and the scope of technical solution of the present invention.
Claims (10)
1. automatically switch a control method for project stereoscopic imager 3D/2D display mode, it is characterized in that:
Described project stereoscopic imager can move switching between full automatic controller Qu Kongxia set district and reset district; When projector starts to show 3D image, it is described set district that described project stereoscopic imager is inserted in the camera lens light path of projector; During the projection 2D of projector image, the camera lens light path that described project stereoscopic imager leaves projector is described reset district;
The 3D frame order synchronizing signal of described projector output or 2D status signal by full automatic controller detecting real-time after, full automatic controller carries out logic judgement according to signal characteristic, if the current output of projector for 2D status signal drives control mechanical transmission unit, drive described carrier and project stereoscopic imager to withdraw light path to arrive reset district; If the current output of projector is that 3D frame order synchronizing signal is driven control mechanical transmission unit and driven described carrier and project stereoscopic imager to insert light path to arrive set district.
2. the control method of a kind of full-automatic switching project stereoscopic imager 3D/2D display mode according to claim 1, is characterized in that: described full automatic controller comprises signal input module, signals collecting modular converter, central control unit, direction handover module and Mechanical Driven module;
Described signal input module is the input interface of described 3D frame order synchronizing signal, 2D status signal, reset signal, asserts signal and remote control signal;
Described signals collecting modular converter is used for the signal from described signal input module to carry out the conversion of simulating signal and digital signal, and sends digital signal to described central control unit;
Described central control unit judges the feature of the various types of signal that described signals collecting modular converter sends for logic, and sends state steering order corresponding to logic with it and drive the described Mechanical Driven module of control;
Described direction handover module is for the setting of mechanical transmission unit 3D set action and 2D homing action direction, and direction of action Ke An projector real lens position manually arranges exchange;
Described Mechanical Driven module is for controlling the method for operation and the state of described mechanical transmission unit.
3. the control method of a kind of full-automatic switching project stereoscopic imager 3D/2D display mode according to claim 2, is characterized in that: described 3D frame order synchronizing signal and 2D status signal meet Transistor-Transistor Logic level signal standards and feature; Described full automatic controller and described projector are by wired or wireless form signal transmission;
Described full automatic controller and described projector are during by wired mode transfer signal, and signalling technique parameter is:
Signal incoming frequency f scope: 15Hz≤f≤192Hz;
Signal input part voltage range: 0V is to ± 12V;
Signal input part level: be high level during >=5.0V, 0V is low level;
Logic level definition: be equivalent to logical one during high level that in signal input module, level input value is >=5.0V; Input value is equivalent to logical zero while being 0V;
Wired 3D frame synchronization state:
The 3D frame synchronizing signal level range that described projector exports when projection 3D film source is at >=5V to≤12V, and frequency f scope is in 15Hz≤f≤192Hz; The live signal of lasting square-wave waveform feature is 3D frame order synchronizing signal;
Wired 2D signal condition:
The 2D status signal of exporting during the projection 2D of described projector film source, the scope of signal output level in≤2V, frequency f≤10Hz, the live signal of lasting low level signal feature be 2D status signal;
When described full automatic controller and described projector pass through wireless signal transmission, signalling technique parameter is:
Signal incoming frequency f scope: 10Hz≤f≤192Hz;
Signal input part voltage range: 0V is to ± 12V,
Signal input part level: high level >=2V, low level≤0.4V;
Logic level definition: be equivalent to logical one during high level that signal input module signal input value is >=2V; Input value value is equivalent to logical zero while being <0.4V low level;
Wireless 3D frame synchronization state: the level range that described projector exports when projection 3D film source is at >=2V to≤12V, and frequency f scope is in 15Hz≤f≤192Hz; The live signal of lasting square-wave waveform feature is 3D frame order synchronizing signal;
Wireless 2D signal condition: during the projection 2D of described projector film source, the scope of signal output level in≤0.4, frequency f scope≤10Hz, the live signal of lasting low level signal feature be 2D status signal.
4. a full-automatic control system of switching project stereoscopic imager 3D/2D display mode, is characterized in that: comprise stationary installation, full automatic controller, mechanical transmission unit and carrier, described project stereoscopic imager is installed on described carrier;
Described stationary installation is relative constant with the position of described projector;
3D frame order synchronizing signal or 2D status signal that described in described full automatic controller detecting real-time, projector sends, and carry out logic judgement according to signal characteristic, if the current broadcasting of projector is that 3D frame order synchronizing signal is driven control mechanical transmission unit and driven described carrier and project stereoscopic imager to insert light path to arrive set district, if the current broadcasting of projector is that 2D status signal drives control mechanical transmission unit and drives described carrier and project stereoscopic imager to withdraw light path to arrive reset district.
5. the control system of full-automatic switching project stereoscopic imager 3D/2D display mode according to claim 4, it is characterized in that: described full automatic controller is controlled the method for operation and the state of described mechanical transmission unit, described mechanical transmission unit drives described project stereoscopic imager to switch between set district and reset district.
6. the control system of full-automatic switching project stereoscopic imager 3D/2D display mode according to claim 4, is characterized in that:
Described stationary installation comprises support and housing, and described support is installed on suspension bracket or the light path either side of described projector; Described housing is installed on described support, and is positioned at the front upper place of the camera lens of projector;
Described mechanical transmission unit comprises screw rod, motor and mobile groove; Described screw rod and motor are installed in described housing, and described mobile groove is arranged in described housing, and described motor drives described bolt rotary, and described full automatic controller is controlled the operation of described motor;
Described carrier comprises slide block and erecting frame; Described slide block is installed on described mobile groove, and described slide block is connected with described screw flight, and is moved in doing described mobile groove by described screw drive; Described erecting frame is fixedly installed in described slide block, and described project stereoscopic imager is installed on described erecting frame.
7. the control system of full-automatic switching project stereoscopic imager 3D/2D display mode according to claim 6, is characterized in that: also spy arranges Stroke Control unit, and described Stroke Control unit comprises position transducer and lives some range finder; Described housing is provided with mounting groove, and the described some range finder of living is two, is arranged on movably described mounting groove; Described position transducer is arranged on described slide block; When described slide block moves to reset district or set district, described position transducer triggers the described some range finder of living, and described position transducer sends position state signal and to described full automatic controller, drives the shutdown operation of the described motor of control.
8. the control system of full-automatic switching project stereoscopic imager 3D/2D display mode according to claim 7, it is characterized in that: the described some range finder of living by locked with bolts at described mounting groove, the nut of this bolt is exposed at the outside of described housing, the bolts and nuts locking mechanism that slidably regulates and fix a point, the described some range finder of living is positioned at described housing.
9. the control system of full-automatic switching project stereoscopic imager 3D/2D display mode according to claim 4, it is characterized in that: described support is Z-shaped, one end of described support is fixedly mounted on suspension bracket or the light path either side of projector, and the other end of described support is installed described housing.
10. the control system of full-automatic switching project stereoscopic imager 3D/2D display mode according to claim 5, it is characterized in that: described erecting frame comprises cross bar and be vertically mounted on respectively two vertical mounting rods at cross bar two ends, described mounting rod is built-in with project stereoscopic imager described in mounting groove and is arranged between two vertical mounting rods; The top of described cross bar is fixedly connected with through described mobile groove with the bottom of described slide block.
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