CN103763536A - Method and system for controlling seamless switching of DLP projector equipment on the basis of CS framework - Google Patents
Method and system for controlling seamless switching of DLP projector equipment on the basis of CS framework Download PDFInfo
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- CN103763536A CN103763536A CN201410043630.7A CN201410043630A CN103763536A CN 103763536 A CN103763536 A CN 103763536A CN 201410043630 A CN201410043630 A CN 201410043630A CN 103763536 A CN103763536 A CN 103763536A
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Abstract
The invention provides a method and system for controlling seamless switching of DLP projector equipment on the basis of a CS framework. According to the method, firstly, a client module organizes corresponding switching instructions according to switching information of users, and sends the switching instructions to a server module, and the server module receives and recognizes the switching instructions, sends freezing instructions to the DLP projector equipment, sends related instruction information to related equipment according to the recognized switching instructions so that the related equipment can conduct switch preparing work, sends the freezing instructions to the DLP projector equipment over delay time corresponding to the recognized switching instructions so that the DLP projector equipment can execute corresponding operation according to the ready information of the related equipment, and sends switching completing information to the client module. Therefore, blank screens, blurred screens and other phenomena in signal switching, zooming, scenario calling and other processes can be effectively avoided, and experience of the users is enhanced.
Description
Technical field
The present invention relates to DLP projection control field, particularly relate to a kind of method and system of controlling DLP projector equipment seamless switching based on CS framework.
Background technology
DLP(Digital Light Procession) technology, it is digital light treatment technology, be a kind of technology that first adopts again the mode of light projection that image is shown after digital processing signal of video signal, it is based on TI(Texas Instruments) digital micromirror elements---the DMD(Digital Micromirror Device of company exploitation) complete the technology that viewable numbers information shows.Detailed process be exactly: first by the cold light source going out by UHP lamps emission by condensation lens, again by Rod by light uniformization, subsequently, light is after treatment by a colour wheel (Color Wheel), light is divided into RGB tri-looks (or RGBW etc. more polychrome), again by color by lens projects on dmd chip, last reverberation is through projection lens imaging on projection screen.
Take 1024 × 768 resolution as example, on a DMD, have 1024 × 768 small reflectors, each small reflector represents a pixel, each small reflector has the independent switching capability of controlling light.The angle of small reflector reflection ray is subject to vision signal control, vision signal is modulated into the pulse-width signal of constant amplitude by Digital Light Processor, by pulse duration, control the time of small reflector open and close light path, thereby on screen, produce the grey scale image of different brightness.DLP projector can be divided into one chip, double-disk and three-chip type according to the number of dmd chip.Take one chip as example, it is owing to being placed with colour wheel (district forms by red, green, blue) in source path that DLP can produce color, the light that light source sends projects the surface of the dmd chip that studs with micro mirror array by the red, green, blue filter of quick rotation, these micromirror are rotated with the speed of 5000 times per second, reflect the incident light, via projecting picture by camera lens after shaping lens.
Along with the development and perfection of DLP technology, the application of large screen display system is also more extensive, and increasing user starts to adopt large screen display system to carry out releasing advertisements, shows its product and shows that its information of paying close attention to is to provide decision-making foundation etc.But, in existing large screen display system, to large-screen ray machine and relevant device as the control of matrix be all to be undertaken by RS232 serial ports, although for meeting the application demand of user to large screen display system, can control the switching that ray machine carries out display channel, the switching of the convergent-divergent of display frame and gating matrix signal, the switching of splicing controller etc., but no matter be to carry out ray machine passage by software, the size of the switching of input signal or change display frame, or being undertaken these by remote controller switches accordingly, because carrying out normal identification to accessed signal, ray machine needs blink with processing, within this blink, just there will be the phenomenon of blank screen or flower screen, so have a strong impact on user's visual experience and operating experience.
Therefore, in the urgent need to existing DLP display system is improved.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of method and system of controlling DLP projector equipment seamless switching based on CS framework, for solving blank screen in the handover operation that prior art exists or the problem of flower screen.
For achieving the above object and other relevant objects, the invention provides a kind of method of controlling DLP projector equipment seamless switching based on CS framework, it at least comprises:
1) handover information based on user is organized corresponding switching command, and sends described switching command;
2) receive and identify described switching command, and transmission is freezed instruction to DLP projector equipment;
3) based on identified switching command, send dependent instruction information to relevant device, so that relevant device switches preparation;
4) after the time of delay corresponding with identified switching command, send the instruction of thawing to described DLP projector equipment, so that the ready information of described DLP projector equipment based on relevant device is carried out corresponding operating, and send the information of having switched;
5) receive the information of having switched, and wait for the follow-up handover information from user.
The present invention also provides a kind of control system of controlling DLP projector equipment seamless switching based on CS framework, and it at least comprises: service end module and client modules, wherein,
The handover information of described client modules based on user organized corresponding switching command, and sends described switching command to service end module, and reception completes information from the switching of described service end module;
Described service end module is used for receiving and identifying described switching command, and transmission is freezed instruction and send dependent instruction information based on identified switching command to relevant device, after the time of delay corresponding with identified switching command, send the instruction of thawing to DLP projector equipment and send the information of having switched.
Preferably, when described DLP projector equipment comprises many projection light machines, described service end module receives and identifies described switching command, and transmission is freezed instruction to relevant projection light machine; And to after time of delay corresponding to identified switching command, send the instruction of thawing to described relevant projection light machine, so that the ready information of described relevant projection light machine based on relevant device is carried out corresponding operating, and send the information of having switched.
Preferably, described service end module receives and identifies described switching command based on caching technology, and transmission is freezed instruction to described DLP projector equipment.
Preferably, described relevant device comprises DLP projector equipment, splicing controller and the equipment that carries out matrix switching.
Preferably, handover information comprises one or more in the switching of switching, splicing controller of convergent-divergent, the gating matrix signal of switching, the display frame of display channel.
As mentioned above, the method and system of controlling DLP projector equipment seamless switching based on CS framework of the present invention, there is following beneficial effect: in signal switching, convergent-divergent, prediction scheme such as call at the process, no longer have the phenomenons such as blank screen, Hua Ping, greatly promoted user's Experience Degree; And applicable to all kinds of projection light machines, and can meet user's different demands.
Accompanying drawing explanation
Fig. 1 is shown as the method flow diagram of controlling DLP projector equipment seamless switching based on CS framework of the present invention.
Fig. 2 is shown as the control system schematic diagram of controlling DLP projector equipment seamless switching based on CS framework of the present invention.
Element numbers explanation
1 control system
11 service end modules
12 client modules
S1～S5 step
Embodiment
Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification.The present invention can also be implemented or be applied by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
Refer to Fig. 1 to Fig. 2.It should be noted that, the diagram providing in the present embodiment only illustrates basic conception of the present invention in a schematic way, therefore only show with assembly relevant in the present invention in Fig. 1 and Fig. 2 but not component count, shape and size drafting while implementing according to reality, during its actual enforcement, kenel, quantity and the ratio of each assembly can be a kind of random change, and its assembly layout kenel also may be more complicated.
As shown in Figure 1, the invention provides a kind of method of controlling DLP projector equipment seamless switching based on CS framework.Wherein, the method according to this invention, mainly by service end module and client modules in computer equipment, complete, this service end module and client modules include but not limited to be arranged in computer equipment and can realize the present invention program's such as application module, operating system, processing controller etc.Wherein, this computer equipment includes but not limited to computer of controlling by DLP projector equipment etc.
In step S1, the handover information of described client modules based on user organized corresponding switching command, and sends described switching command.
Wherein, described handover information comprises any information that shown image is adjusted, and preferably, includes but not limited to: the switching of the switching of display channel, the convergent-divergent of display frame, gating matrix signal, the switching of splicing controller etc.
Particularly, described client modules is sent to service end module after can adopting the mode of data encapsulation that one group of handover information of user's single input is packaged into packet, also can adopt the mode sending one by one.Wherein, the communication protocol of the mode of data encapsulation based between described client modules and described service end module is determined.
For example, the handover information of user's input comprises: the display frame of projection light machine A1 is dwindled to 50%, gating matrix signal switches, described client modules dwindles 50% handover information by the display frame of projection light machine A1 and is converted to switching command X1, the handover information that gating matrix signal is switched is converted to switching command X2, and switching command X1 and X2 are sent to service end module, and when sending switching command X1 additional the first identification information, to show that switching command X1 is as first command information, additional the second identification information when sending switching command X2, to show that this switching command X2 is as last command information.Wherein, the data transaction agreement that handover information is converted to switching command comprises any agreement that data transaction can be become to the data that service end module can identify.
In step S2, described service end module receives and identifies described switching command, and transmission is freezed instruction to DLP projector equipment.
Wherein, based on actual needs, described DLP projector equipment can be separate unit projection light machine, can be also many projection light machines.
When described DLP projector equipment comprises many projection light machines, described service end module receives and identifies described switching command, and transmission is freezed instruction to relevant projection light machine.
Particularly, described service end module receives and identifies described switching command based on caching technology, and transmission is freezed instruction to dependent projections ray machine.
For example, when described client modules adopts the mode sending one by one to send one group of handover information, described service end module receives follow-up switching command by the switching command buffer memory having received continuation, until receive last switching command, subsequently again based on and described client modules between data transaction agreement identify each switching command, and send and freeze instruction based on the associated projection light machine of all switching commands.
Then,, in step S3, described service end module sends dependent instruction information to relevant device, so that relevant device switches preparation based on identified switching command.
Wherein, described relevant device comprises any equipment that the image being associated with switching command is processed, for example, to display channel carry out hand-off process, display frame carry out the projection light machine of convergent-divergent processing, to matrix signal carry out the computer of hand-off process, splicing controller that signal is processed etc.
For example, described service end module is the switching of carrying out matrix signal based on identified switching command, and described service end module makes the beamhouse operation that the computer under self carries out matrix switching.
Then, in step S4, described service end module sends the instruction of thawing to described DLP projector equipment after the time of delay corresponding with identified switching command, so that the ready information of described DLP projector equipment based on relevant device is carried out corresponding operating, and send the information of having switched.
When described DLP projector equipment comprises many projection light machines, described service end module to after time of delay corresponding to identified switching command, send the instruction of thawing to described relevant projection light machine, so that the ready information of described relevant projection light machine based on relevant device is carried out corresponding operating, and send the information of having switched to described client modules.
Wherein, the time of delay that each switching command is corresponding, the type based on this switching command was determined.
For example, the switching that switching command is display channel, be T1 time of delay; Switching command is the convergent-divergent of display frame, and be T2 time of delay; Switching command is the switching of gating matrix signal, and be T3 time of delay; Switching command is the switching of splicing controller, be T4 time of delay, the switching command identifying when described service end module is the display frame amplification 100% of projection light machine A3, described service end module postponed after the T2 time, transmission is thawed instruction to projection light machine A3, makes projection light machine A3 give Projection Display through amplifying 100% image.
Then, in step S5, described client modules receives the information of having switched, and waits for the follow-up handover information from user.
As shown in Figure 2, the present invention also provides a kind of control system of controlling DLP projector equipment seamless switching based on CS framework.Described control system 1 at least comprises: service end module 11 and client modules 12.
Wherein, the handover information of described client modules 12 based on user organized corresponding switching command, and sends described switching command to service end module 11, and reception completes information from the switching of described service end module 11.
Wherein, described service end module 11 is for receiving and identifying described switching command, and transmission is freezed instruction and send dependent instruction information based on identified switching command to relevant device, after the time of delay corresponding with identified switching command, send the instruction of thawing to DLP projector equipment and send the information of having switched to described client modules 12.
The course of work of control system 1 described above as shown in Figure 1, and is contained in this by reference, at this, is no longer described in detail.
In sum, the control system employing client-side/server-side architecture of controlling DLP projector equipment seamless switching based on CS framework of the present invention, make hardware layer separation with key-course, applicable to all kinds of projection light machines, and can meet user's different demands, and, most importantly, in signal switching, convergent-divergent, prediction scheme such as call at the process, no longer there is the phenomenons such as blank screen, Hua Ping, greatly promoted user's Experience Degree.So the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (10)
1. a method of controlling DLP projector equipment seamless switching based on CS framework, is characterized in that, the described method of controlling DLP projector equipment seamless switching based on CS framework at least comprises:
1) handover information based on user is organized corresponding switching command, and sends described switching command;
2) receive and identify described switching command, and transmission is freezed instruction to DLP projector equipment;
3) based on identified switching command, send dependent instruction information to relevant device, so that relevant device switches preparation;
4) after the time of delay corresponding with identified switching command, send the instruction of thawing to described DLP projector equipment, so that the ready information of described DLP projector equipment based on relevant device is carried out corresponding operating, and send the information of having switched;
5) receive the information of having switched, and wait for the follow-up handover information from user.
2. the method for controlling DLP projector equipment seamless switching based on CS framework according to claim 1, it is characterized in that: when described DLP projector equipment comprises many projection light machines, receive and identify described switching command, and transmission is freezed instruction to relevant projection light machine; And to after time of delay corresponding to identified switching command, send the instruction of thawing to described relevant projection light machine, so that the ready information of described relevant projection light machine based on relevant device is carried out corresponding operating, and send the information of having switched.
3. the method for controlling DLP projector equipment seamless switching based on CS framework according to claim 1 and 2, is characterized in that: based on caching technology, receive and identify described switching command, and transmission is freezed instruction to described DLP projector equipment.
4. the method for controlling DLP projector equipment seamless switching based on CS framework according to claim 1 and 2, is characterized in that: described relevant device comprises DLP projector equipment, splicing controller and the equipment that carries out matrix switching.
5. the method for controlling DLP projector equipment seamless switching based on CS framework according to claim 1, is characterized in that: handover information comprises one or more in the switching of switching, splicing controller of convergent-divergent, the gating matrix signal of switching, the display frame of display channel.
6. a control system of controlling DLP projector equipment seamless switching based on CS framework, is characterized in that, the described control system of controlling DLP projector equipment seamless switching based on CS framework at least comprises: service end module and client modules, wherein,
The handover information of described client modules based on user organized corresponding switching command, and sends described switching command to service end module, and reception completes information from the switching of described service end module;
Described service end module is used for receiving and identifying described switching command, and transmission is freezed instruction and send dependent instruction information based on identified switching command to relevant device, after the time of delay corresponding with identified switching command, send the instruction of thawing to DLP projector equipment and send the information of having switched.
7. the control system of controlling DLP projector equipment seamless switching based on CS framework according to claim 6, it is characterized in that: when described DLP projector equipment comprises many projection light machines, described service end module receives and identifies described switching command, and transmission is freezed instruction to relevant projection light machine; And to after time of delay corresponding to identified switching command, send the instruction of thawing to described relevant projection light machine, so that the ready information of described relevant projection light machine based on relevant device is carried out corresponding operating, and send the information of having switched.
8. according to controlling the control system of DLP projector equipment seamless switching based on CS framework described in claim 6 or 7, it is characterized in that: described service end module receives and identifies described switching command based on caching technology, and transmission is freezed instruction to described DLP projector equipment.
9. according to controlling the control system of DLP projector equipment seamless switching based on CS framework described in claim 6 or 7, it is characterized in that: described relevant device comprises DLP projector equipment, splicing controller and the equipment that carries out matrix switching.
10. the control system of controlling DLP projector equipment seamless switching based on CS framework according to claim 6, is characterized in that: handover information comprises one or more in the switching of switching, splicing controller of convergent-divergent, the gating matrix signal of switching, the display frame of display channel.
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