CN104378567A - Portable DLP multimedia intelligent cloud projecting system - Google Patents
Portable DLP multimedia intelligent cloud projecting system Download PDFInfo
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- CN104378567A CN104378567A CN201410737837.4A CN201410737837A CN104378567A CN 104378567 A CN104378567 A CN 104378567A CN 201410737837 A CN201410737837 A CN 201410737837A CN 104378567 A CN104378567 A CN 104378567A
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Abstract
The invention discloses a portable DLP multimedia intelligent cloud projecting system which comprises a video input interface, a video processor, a signal format conversion unit, a storage medium interface, a WIFI module, an Android processor, a 3D format conversion processor, a DMD display driver, an optical projector, a central processing unit, an input module and an LED light source unit. The video processor is used for converting video data input by the video input interface into a first TTL signal, the signal format conversion unit is used for converting the first TTL signal output by the video processor into a first HDMI signal, the Android processor is used for converting video data read by the storage medium interface or the video data received by the WIFI module into a second HDMI signal, the 3D format conversion processor is used for performing 3D conversion on the first HDMI signal or the second HDMI signal to generate a second TTL signal, and the DMD display driver is used for generating an image drive signal according to the second TTL signal. The portable DLP multimedia intelligent cloud projecting system is multifunctional, small in size and convenient to carry.
Description
Technical field
The present invention relates to projecting apparatus, particularly relate to a kind of portable DLP multimedia intelligent high in the clouds optical projection system.
Background technology
Projecting apparatus be a kind of can by image or VIDEO PROJECTION to the equipment on curtain, same to computer, VCD, DVD, BD, game machine, DV etc. can be connected and play corresponding vision signal by different interfaces.Projecting apparatus is widely used in family, office, school and public place of entertainment, and different according to working method, have CRT, LCD, DLP etc. are dissimilar.The general volume ratio of current projecting apparatus is comparatively large, just realizes simple projecting function, computer or other-end equipment are linked into projecting apparatus by connecting line, and the video source that can export computer or other-end equipment carries out amplification projection, and its function ratio is more single.Meanwhile, along with the development of technology, 3D video has become the trend of development, but current projecting apparatus can not carry out projection to 3D video and play, and can not carry out simulation 3D to 2D video and project, therefore, existing projecting apparatus can not meet the needs of development now already.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art and a kind of portable DLP multimedia intelligent high in the clouds optical projection system is provided.
The present invention solves the technical scheme that prior art problem adopts: a kind of portable DLP multimedia intelligent high in the clouds optical projection system, comprising:
Video input interface, for the video data that Received signal strength source exports;
Video processor, described video processor is connected with described video input interface, and the video data for being inputted by video input interface is converted to a TTL signal;
Signal form translate unit, described Signal form translate unit is connected with described video processor, is converted to a HDMI signal for the TTL signal exported by described video processor;
Storage medium interface, for connecting exterior storage medium and reading the video data in described exterior storage medium;
WiFi module, for carrying out wireless communication with external equipment or being connected to the Internet;
Android processor, described Android processor is connected with described storage medium interface and WIFI module, the media data flow received for the video file that reads described storage medium interface or WIFI module carries out decoding broadcasting, decoded video data is converted to the 2nd HDMI signal simultaneously;
3D format conversion processor, described 3D format conversion processor is connected with described Signal form translate unit and Android processor, for a described HDMI signal or the 2nd HDMI signal are directly changed into the 2nd TTL signal, or a described HDMI signal or the 2nd HDMI signal are first carried out 3D format conversion regeneration the 2nd TTL signal;
DMD display driver, described DMD display driver is connected with described 3D format conversion processor, for according to described 2nd TTL signal synthetic image drive singal;
Projection light machine, is connected with described DMD display driver, for projecting according to described image drive signals;
Central processing unit, is connected with described video processor, Android processor and 3D format conversion processor, controls described video processor, Android processor and 3D format conversion processor for the control command inputted according to user;
Input module, is connected with described central processing unit, for inputting described control command;
LED light source unit, is connected with described central processing unit, for providing light source for described projection light machine.
Preferably, described 3D format conversion processor is also for separating of the digital audio and video signals in a described HDMI signal or the 2nd HDMI signal;
Described 3D format conversion processor is connected with an audio D/A converting unit, and the output of described audio D/A converting unit is connected to described video processor, described video processor is connected with power amplifier unit and earphone interface; Described audio D/A converting unit is used for converting described digital audio and video signals to simulated audio signal, and simulated audio signal inputs to described video processor, exports power amplifier unit or earphone interface to by described video processor.
Preferably, described input module comprises touch controlled key module, is connected with described central processing unit, produces corresponding control command for touching according to user.
Preferably, described input module also comprises infrared receiving module, is connected with described central processing unit, for receiving the control command that user is launched by Infrared remote controller.
Preferably, described video processor is connected with bluetooth module, and described simulated audio signal, according to the control of central processing unit, is outwards launched by described bluetooth module by described video processor.
Preferably, described video input interface comprises USB interface, HDMI and AV interface, and described central processing unit controls according to the control command that user inputs the switching that described video processor inputs USB interface, HDMI and AV interface.
Preferably, described storage medium interface comprises one or more in USB interface, OTG interface, SD card interface.
Preferably, described Android processor is also connected with Ethernet interface, for passing through netting twine accessing Internet.
Preferably, described LED light source unit comprises LED light source, is connected to drive the LED drive circuit of described LED light source with described LED light source, and being connected with described LED drive circuit the LED time schedule controller controlling described LED light source sequential, described LED time schedule controller is connected with described central processing unit.
The invention has the beneficial effects as follows: portable DLP multimedia intelligent high in the clouds provided by the invention optical projection system, on the one hand, computer, DVD/VCD player, high definition device etc. can be connected by video input interface, play to carry out projection to the video data of computer, DVD/VCD player, high definition device; On the other hand, be configured with Android processor, WIFI module, storage medium interface etc., can obtain video resource from network and carry out projection broadcasting, can surf the web Domestic News etc., also can carry out projection from reading video datas such as storage medium such as USB flash disk, SD card, USB device and play.Again on the one hand, in projection playing process, video data carries out 3D format conversion by 3D format conversion processor, such as 2D signal can lead directly to or convert to simulation 3D signal, convert TTL signal again to, and 3D signal can convert the output of TTL signal to, so, the 3D projection that can realize video data is play.In a word, portable DLP multimedia intelligent high in the clouds of the present invention optical projection system, complete function, bring user intelligentized experience, meanwhile, volume is little, is convenient for carrying.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention portable DLP multimedia intelligent high in the clouds optical projection system.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
With reference to shown in Fig. 1, embodiments provide a kind of portable DLP multimedia intelligent high in the clouds optical projection system, comprise video input interface, video processor 104, Signal form translate unit 105, storage medium interface, WIFI module 108, Android processor 109,3D format conversion processor 111, DMD display driver 112, projection light machine 113, central processing unit 114, input module, LED light source unit 120 and power management module 121.
Concrete, video input interface is used for the video data that Received signal strength source exports.Signal source can be the high definition device such as computer, DVD/VCD player, Blu-ray player, these signal sources can be converted to corresponding video data stream and export from video output interface by inner video file, and video output interface can be connected with the video input interface in the present invention by corresponding connecting line, so, the video data of signal source can transfer to video input interface.
Video processor 104 is connected with video input interface, and the video data for being inputted by video input interface is converted to a TTL signal.That is, the video data of video processor 104 receiver, video input interface input, decodes to video data and forms a TTL signal.
Signal form translate unit 105 is connected with described video processor 104, is converted to a HDMI signal for the TTL signal exported by described video processor 104.
Storage medium interface, for connecting exterior storage medium and reading the video data in described exterior storage medium.This storage medium interface comprises one or more in usb 1 06, OTG interface 107, SD card interface 108.Usb 1 06 can connect USB flash disk, USB mobile device, and OTG interface 107 can linking number decoding apparatus, and SD card interface 108 can insert storage card etc.
WIFI module 108, for carrying out wireless communication with external equipment or being connected to the Internet.This WIFI module 108 can be connected to router, is connected to the Internet by router, so, can browse each navigation website and Domestic News etc., meanwhile, and can also from the online media data flow of Network Capture.
Android processor 109 is connected with described storage medium interface and WIFI module 108, the media data flow received for the video file that reads described storage medium interface or WIFI module 108 carries out decoding broadcasting, decoded video data is converted to the 2nd HDMI signal simultaneously.This Android processor 109 can adopt ARM tetra-core A9 processor etc.
3D format conversion processor 111 is connected with described Signal form translate unit 105 and Android processor 109, generates the 2nd TTL signal for a described HDMI signal or the 2nd HDMI signal being carried out 3D format conversion.Concrete, when a HDMI signal or the 2nd HDMI signal are 2D form, a HDMI signal or the 2nd HDMI signal can lead directly to or convert to simulation 3D signal, then convert the 2nd TTL signal to; When a HDMI signal or the 2nd HDMI signal standards 3D form, a HDMI signal or the 2nd HDMI signal directly can convert the 2nd TTL signal to by 3D format conversion processor 111.
DMD display driver 112 is connected with described 3D format conversion processor 111, for according to described 2nd TTL signal synthetic image drive singal.Projection light machine 113 is connected with described DMD display driver 112, for projecting according to described image drive signals.
Central processing unit 114, be connected with video processor 104, Android processor 109 and 3D format conversion processor 111, for the control command inputted according to user, described video processor 104, Android processor 109 and 3D format conversion processor 111 controlled.
Input module is connected with described central processing unit 114, for inputting described control command.In one embodiment of the invention, input module comprises touch controlled key module 115, is connected with described central processing unit 114, produces corresponding control command for touching according to user.Such as power button, volume plus-minus button, input source switching key etc.Wherein, input source switching key is for when video input interface connects multiple signal source, selects wherein a kind of signal source to access.
LED light source unit 120 is connected with described central processing unit 114, for providing light source for described projection light machine 113.This LED light source unit 120 specifically can comprise LED light source 1201, be connected to drive the LED drive circuit 1202 of described LED light source 1201 with described LED light source 1201, and being connected with described LED drive circuit 1202 the LED time schedule controller 1203 controlling described LED light source 1201 sequential, described LED time schedule controller 1203 is connected with described central processing unit 114.
Power management module 121 is powered for above-mentioned modules.
Specific works principle is as follows:
For the vision signal of outside, namely DVD/VCD player, the high definition device such as Blu-ray player are respectively by USB interface 101, the vision signal that AV interface 103 and HDMI 102 input, after this vision signal does signal behavior switching by video processor 104, the vision signal (vision signal that such as USB interface 101 inputs) finally switching input is converted to a TTL signal (RGB888), one TTL signal is converted to a HDMI signal by Signal form translate unit 105 again, one HDMI signal inputs to 3D format conversion processor 111 again, when a HDMI signal is 2D form, one HDMI signal can not be done 3D conversion or convert 3D analog signal to, again by converting the second ttl signal to further, and when a HDMI signal is standard 3D form, one HDMI signal directly can convert the second ttl signal to by 3D format conversion processor 111.Second ttl signal inputs to DMD display driver 112 again, by DMD display driver 112 synthetic image drive singal, finally carries out projection by projection light machine 113 again and plays.
For the vision signal of Android system part input, the video file of the media data flow that namely network is online or usb 1 06, OTG interface 107 or SD card interface 108, this media data flow and video file all can carry out decoding by Android processor 109 and play, and decoded video data is carried out conversion formation the 2nd HDMI signal by Android processor 109, and the 2nd HDMI signal inputs to 3D format conversion processor 111 again; Equally, when the 2nd HDMI signal is 2D form, 2nd HDMI signal can not be done 3D conversion or convert 3D analog signal to, again by converting the second ttl signal to further, and when the 2nd HDMI signal is standard 3D form, the 2nd HDMI signal directly can convert the second ttl signal to by 3D format conversion processor 111.Second ttl signal inputs to DMD display driver 112 again, by DMD display driver 112 synthetic image drive singal, finally carries out projection by projection light machine 113 again and plays.
According to portable DLP multimedia intelligent high in the clouds provided by the invention optical projection system, on the one hand, computer, DVD/VCD player, high definition device etc. can be connected by video input interface, play to carry out projection to the video data of computer, DVD/VCD player, high definition device; On the other hand, be configured with Android processor 109, WIFI module 108, storage medium interface etc., video resource can be obtained from network and carry out projection broadcasting, can be surfed the web Domestic News etc., also can carry out projection from reading video datas such as storage medium such as USB flash disk, SD card, USB device and play.Again on the one hand, in projection playing process, video data carries out 3D format conversion by 3D format conversion processor 111, such as 2D signal can lead directly to or convert to simulation 3D signal, convert TTL signal again to, and 3D signal can convert the output of TTL signal to, so, the 3D projection that can realize video data is play.In a word, portable DLP multimedia intelligent high in the clouds of the present invention optical projection system, complete function, volume is little, is convenient for carrying, intelligent experience.
In a preferred embodiment of the invention, video input interface comprises USB interface 101, HDMI 102 and AV interface 103, and described central processing unit 114 controls the switching of described video processor 104 pairs of USB interface 101, HDMI 102 and AV interface 103 input according to the control command that user inputs.Such as, when touching the input source switching key on touch controlled key module 115 as user, input source switching key produces input source switching command, and this input source switching command is inputed to central authorities' process processor, central processing unit 114 outputs control signals to video processor 104 according to this input source switching command, to control video processor 104 switching signal source.The high definition device etc. of HDMI 102 is such as switched to by the computer of USB interface 101.
Alternatively, in an example of the present invention, Android processor 109 is also connected with Ethernet interface 110, for passing through netting twine accessing Internet.That is, optical projection system of the present invention, can also pass through wired mode accessing Internet, obtains Online Video carry out projection broadcasting by the Internet, or online browse navigation website or Domestic News etc.
In a preferred embodiment of the invention, input module also comprises infrared receiving module 116, is connected with described central processing unit 114, for receiving the control command that user is launched by Infrared remote controller.Infrared remote controller is used for optical projection system emission control instruction of the present invention.General, Infrared remote controller has power switch key, quiet key, input source switch key, returns homepage key, upper and lower, left and right shifting bond(s), OK button, Menu key, return key, volume key, broadcasting/Pause key, 2D mode key, 3D format conversion key etc.
Specifically, infrared receiving module 116 receives the various control commands of Infrared remote controller, and this control command is inputed to central processing unit 114, is controlled by this central processing unit 114 pairs of various functions.Such as: when playing 2D format video, under normal circumstances, 3D format conversion processor 111 pairs of 2D videos are straight-through and do not carry out 3D format conversion, when user thinks viewing 3D form, 3D format conversion key can be pressed, 3D format conversion key produces the instruction of 3D format conversion, this 3D format conversion instruction inputs to central processing unit 114, central processing unit 114 outputs control signals to 3D format conversion processor 111 according to the instruction of 3D format conversion, now, 2D video (a HDMI signal or the 2nd HDMI signal) can be carried out 3D format conversion by 3D format conversion processor 111, convert simulation 3D signal to, convert this simulation 3D signal to the 2nd TTL signal again, export DMD display driver 112 to, drive projection light machine 113 to carry out 3D projection by DMD display driver 112 to play.
In a preferred embodiment of the invention, 3D format conversion processor 111 is also for separating of the digital audio and video signals in a described HDMI signal or the 2nd HDMI signal.3D format conversion processor 111 is connected with an audio D/A converting unit 117, and the output of audio D/A converting unit 117 is connected to video processor 104, video processor 104 is connected with power amplifier unit 118 and earphone interface 119; Audio D/A converting unit 117 is for converting digital audio and video signals to simulated audio signal, and simulated audio signal inputs to video processor 104, exports power amplifier unit 118 or earphone interface 119 to by video processor 104.That is, the optical projection system of the present embodiment also supports audio playing function, concrete, digital audio and video signals in one HDMI signal or the 2nd HDMI signal is separated by 3D format conversion processor 111, and this digital audio and video signals is inputed to audio D/A converting unit 117, by audio D/A converting unit 117 converting analogue audio signal, this simulated audio signal again through video processor 104 export to power amplifier unit 118 carry out audio frequency broadcasting or export to earphone interface 119 connect earphone.
Video processor 104 is connected with bluetooth module 120, and simulated audio signal, according to the control of central processing unit 114, is outwards launched by described bluetooth module 120 by video processor 104.The Bluetooth audio frequency firing order that such as central processing unit 114 inputs according to user, control video processor 104 and export audio signal to bluetooth module 120, launched by bluetooth module 120, user can wear bluetooth earphone and receive above-mentioned audio signal again.
Alternatively, central processing unit 114 can be communicated by UART mode with between Android processor 109 and video processor 104, can be communicated by I2C between central processing unit 114 with 3D format conversion processor 111, can be communicated by I2S between audio D/A converting unit 117 with 3D format conversion processor 111.Can be communicated by UART mode between central processing unit 114 with LED time schedule controller 1203.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.
Claims (9)
1. a portable DLP multimedia intelligent high in the clouds optical projection system, is characterized in that, comprising:
Video input interface, for the video data that Received signal strength source exports;
Video processor, described video processor is connected with described video input interface, and the video data for being inputted by video input interface is converted to a TTL signal;
Signal form translate unit, described Signal form translate unit is connected with described video processor, is converted to a HDMI signal for the TTL signal exported by described video processor;
Storage medium interface, for connecting exterior storage medium and reading the video file in described exterior storage medium;
WiFi module, for carrying out wireless communication with external equipment or being connected to the Internet;
Android processor, described Android processor is connected with described storage medium interface and WIFI module, the media data flow received for the video file that reads described storage medium interface or WIFI module carries out decoding broadcasting, decoded video data is converted to the 2nd HDMI signal simultaneously;
3D format conversion processor, described 3D format conversion processor is connected with described Signal form translate unit and Android processor, for a described HDMI signal or the 2nd HDMI signal are directly changed into the 2nd TTL signal, or a described HDMI signal or the 2nd HDMI signal are first carried out 3D format conversion regeneration the 2nd TTL signal;
DMD display driver, described DMD display driver is connected with described 3D format conversion processor, for according to described 2nd TTL signal synthetic image drive singal;
Projection light machine, is connected with described DMD display driver, for projecting according to described image drive signals;
Central processing unit, is connected with described video processor, Android processor and 3D format conversion processor, controls described video processor, Android processor and 3D format conversion processor for the control command inputted according to user;
Input module, is connected with described central processing unit, for inputting described control command;
LED light source unit, is connected with described central processing unit, for providing light source for described projection light machine.
2. portable DLP multimedia intelligent high in the clouds optical projection system according to claim 1, it is characterized in that, described 3D format conversion processor is also for separating of the digital audio and video signals in a described HDMI signal or the 2nd HDMI signal;
Described 3D format conversion processor is connected with an audio D/A converting unit, and the output of described audio D/A converting unit is connected to described video processor, described video processor is connected with power amplifier unit and earphone interface; Described audio D/A converting unit is used for converting described digital audio and video signals to simulated audio signal, and simulated audio signal inputs to described video processor, exports power amplifier unit or earphone interface to by described video processor.
3. portable DLP multimedia intelligent high in the clouds optical projection system according to claim 1, it is characterized in that, described input module comprises touch controlled key module, is connected with described central processing unit, produces corresponding control command for touching according to user.
4. portable DLP multimedia intelligent high in the clouds optical projection system according to claim 3, it is characterized in that, described input module also comprises infrared receiving module, is connected with described central processing unit, for receiving the control command that user is launched by Infrared remote controller.
5. portable DLP multimedia intelligent high in the clouds optical projection system according to claim 3, it is characterized in that, described video processor is connected with bluetooth module, and described simulated audio signal, according to the control of central processing unit, is outwards launched by described bluetooth module by described video processor.
6. portable DLP multimedia intelligent high in the clouds optical projection system according to claim 1, it is characterized in that, described video input interface comprises USB interface, HDMI and AV interface, and described central processing unit controls according to the control command that user inputs the switching that described video processor inputs USB interface, HDMI and AV interface.
7. portable DLP multimedia intelligent high in the clouds optical projection system according to claim 1, it is characterized in that, described storage medium interface comprises one or more in USB interface, OTG interface, SD card interface.
8. portable DLP multimedia intelligent high in the clouds optical projection system according to claim 1, it is characterized in that, described Android processor is also connected with Ethernet interface, for by netting twine accessing Internet.
9. portable DLP multimedia intelligent high in the clouds optical projection system according to claim 1, it is characterized in that, described LED light source unit comprises LED light source, is connected to drive the LED drive circuit of described LED light source with described LED light source, and being connected with described LED drive circuit the LED time schedule controller controlling described LED light source sequential, described LED time schedule controller is connected with described central processing unit.
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