Embodiment
Please refer to Fig. 1, be the structural representation of the Split type television 100 in the utility model one execution mode, Split type television 100 comprises display unit 10 and the control box 20 that is separated from each other, and connects by a bus 30 between this display unit 10 and the control box 20.
Please refer to Fig. 2, bus 30 comprises line body 33 and from the extended the first terminal 31 in line body 33 two ends and the second terminal 32, described the first terminal 31 comprises signal output terminal 311 and power output terminal 312, and described the second terminal 32 comprises signal input terminal 321 and power input terminal 322.
Please in the lump with reference to figure 3, in the present embodiment, display unit 10 is a thin display, and this thin display can be slim liquid crystal display or plate of flat liquid crystal display.Display unit 10 comprises display unit 120, driver element 110, image process unit 130 and input interface 140.Described input interface 140 comprises signal input interface 1401 and power input interface 1402.The first terminal 31 of described bus 30 is connected with the input interface 140 of display unit 10, wherein, the signal output terminal 311 of the first terminal 31 is connected with the signal input interface 1401 of input interface 140, and the power output terminal 312 of the first terminal 31 is connected with the power input interface 1402 of input interface 140.
Control box 20 comprises TV tuner 241, TV signal processing module 240, modular converter 230, a plurality of video input interface 26, microprocessor 270, audio treatment unit 220, loud speaker 221, power module 280 and output interface 210.Described output interface 210 comprises signal output interface 211 and power output interface 212.
The second terminal 32 of described bus 30 is connected with the output interface 210 of control box 20, wherein, the signal input terminal 321 of the second terminal 32 is connected with the signal output interface 211 of output interface 210, and the power input terminal 322 of the second terminal 32 is connected with the power supply input power output interface 212 of output interface 210.The power module 280 of control box 20 is connected in an external power supply, and power output interface 212 is connected with this power module 280, and power output interface 212 receives electric energy and transfers to display unit 10 through bus 30 from power module 280.
Described TV tuner 241 comprises an analog television tuner 2411 and a digital TV tuner 2412.Control box 20 can be accepted anolog TV signals by antenna or wired closed circuit signaling receiving circuit, described analog television tuner 2411 is used for receiving the anolog TV signals that come from antenna or the transmission of wired closed circuit signaling receiving circuit, transfers to TV signal processing module 240 after anolog TV signals are carried out being reduced to digital video transport stream after High frequency amplification, comparison process, channel-decoding and the demodulation.TV signal processing module 240 is connected between TV tuner 241 and the modular converter 230, and 240 pairs of described digital video transport streams of described TV signal processing module carry out restoring original digitized audio, video data after the processing such as source coding.
Described control box 20 can be by the next digital television signal of wireless signal receiving circuit transmission, such as satellite digital television signal or ground digital television signal; Control box 20 can also receive the digital catv signal that the TV cable transmission is come, and the satellite digital television signal that control box receives, ground digital television signal and digital catv signal all are the modulation digital radiofrequency signals.Digital TV tuner 2412 is used for receiving the digital television signal that comes from wireless signal receiving circuit or cable digital TV cable transmission, transfers to TV signal processing module 240 after described digital television signal is demodulated into digital video transport stream.Same, 240 pairs of described digital video transport streams of TV signal processing module carry out restoring original digitized audio, video data after the processing such as source coding.
In the present embodiment, original digitized audio, video data comprises the RGB image data of 4:4:4 sampling or 4:2:2 sampling, and voice data.In other embodiments, the image data in the original audio-video signal also can be the raw video data of other various coded systems such as image data of the image data that adopts the YCbCr form or yuv format.
Modular converter 230 comprises one based on field programmable gate array (Field-Programmable Gate Array, FPGA) multichannel input digit video conversion chip, can according to the needs of format transformation, the digitized audio-video signal that receives be converted to the video data of preset number video format.Modular converter 230 is used for receiving described audio-video signal, and the audio, video data that receives is converted to view data and the voice data of preset signals transmission standard.Signal output interface 211 transfers to display unit 10 with the view data that modular converter 230 is converted to via bus 30, and audio treatment unit 220 is controlled a loud speaker 221 and sent corresponding sound according to the voice data that modular converter 230 is converted to.In the present embodiment, loud speaker 221 is a sound equipment.
In the present embodiment, the signal output interface 211 of described control box 20 carries out the HDMI port that signal transmits with the signal input interface 1401 of display unit 10 for employing HDMI signal transmission standard.The signal output terminal 311 of bus 30 and the signal input terminal 321 HDMI terminal for adopting HDMI signal transmission standard to carry out the signal transmission.The audio-video signal from TV signal processing module 240 transmission that modular converter 230 will receive is converted to view data and the voice data of HDMI signal transmission standard.
The signal input interface 1401 of display unit 10 is connected with the signal output terminal 311 of bus 30 the first terminals 31, and described signal input interface 1401 is used for receiving the view data that meets the preset signals transmission standard via bus 30 transmission from signal output interface 211 outputs of control box 20.Image process unit 130 is used for the view data that signal input interface 1401 receives is converted into driver element 110 discernible driving signals, and described driving signal is sent to driver element 110.In the present embodiment, image process unit 130 is converted into Low Voltage Differential Signal (Low Voltage Differential Signaling with the view data that signal input interface 1401 receives, LVDS), in other embodiments, image process unit 130 is converted into the MINI-LVDS signal with the view data of described HDMI signal transmission standard.Driver element 110 shows image according to the drive display unit 120 of image process unit 130 transmission.
A plurality of video input interfaces 26 of described control box 20 are used for being connected with outside audio-video source by corresponding interface connecting line, and receive corresponding audio, video data or audio-video document.In the present embodiment, a plurality of video input interfaces 26 of described control box 20 comprise a USB interface 261 and internet interface 262.Described USB interface 261 is used for receiving the video file via the USB interface transmission, and this USB interface 261 can be connected in a movable storage device or have the electronic equipment etc. of memory function.Described control box 20 is connected in the Internet by internet interface 262, and the internet interface 262 of control box 20 can receive through the video file of internet transmission to this control box 20.Described control box 20 also comprises a video decode module 250, these video decode module 250 1 ends are connected in described USB interface 261 and internet interface 262, the other end is connected in modular converter 230, be used for the video file decoding of USB interface 261 and internet interface 262 receptions is reduced to original digitized audio, video data, and this audio, video data is sent to modular converter 230.As previously mentioned, modular converter 230 is converted to the audio, video data that receives view data and the voice data of preset signals transmission standard.
A plurality of video input interfaces 26 of described control box 20 also comprise Video Graphics Array (Video Graphics Array, VGA) interface 263 or composite video (Composite Video Blanking and Sync, CVBS) interface 264, and described VGA interface 263 and CVBS interface 264 are a kind of video signal transmission interface based on the analog signal data transmission standard.Described VGA interface 263 and CVBS interface 264 are respectively applied to receive the analog audio-video audio data of corresponding form.Control box 20 also comprises a D/A switch module 251, these D/A switch module 251 1 ends are connected in described VGA interface 263 and CVBS interface 264, the other end is connected in modular converter 230, be used for the audio, video data based on analog signal of VGA interface 263 and 264 receptions of CVBS interface is converted to digitized audio, video data, and should be sent to modular converter 230 by digitized audio, video data.Modular converter 230 is converted to the audio, video data that receives view data and the voice data of preset signals transmission standard.
A plurality of video input interfaces 26 of described control box 20 can also comprise digital visual interface 265(Digital Video Interface, a DVI), this DVI interface 265 adopts digitalized data form transmission tone vision signal.Described DVI interface 265 is used for receiving digitized audio, video data, and the digitized audio, video data that this receives is sent to modular converter 230.
In the present embodiment, a plurality of video input interfaces 26 of described control box 20 also comprise a HDMI interface 266, are used for receiving the audio, video data that adopts the transmission of HDMI signal transmission standard.Because in the present embodiment, the signal output interface 211 of described control box 20 transmits for adopting HDMI signal transmission standard to carry out signal with the signal input interface 1401 of display unit 10, the audio, video data that receives via HDMI interface 266 has been the HDMI signal transfer mode, need not to change through modular converter 230.Signal output interface 211 transfers to display unit 10 with the view data in the audio, video data of HDMI interface 266 receptions via bus 30, audio treatment unit 220 is according to the voice data in the audio, video data of HDMI interface 266 receptions, and control loudspeaker 221 sends corresponding sound.
Microprocessor 270 is used for whether being connected with data source according to video input interface 26, switches being connected between different video input interface 26 and the modular converter 230.Namely, described microprocessor 270 is at detecting video input interface 26 not during the access data source, set up being connected between TV signal processing module 240 and the modular converter 230, the audio, video data of received television signal processing module 240 reduction, and the audio, video data that receives is converted to view data and the voice data of preset signals transmission standard; Microprocessor 270 detects a certain video input interface 26 when being connected with data source, then set up being connected between this video input interface 26 and the modular converter 230, receive the audio, video data of described video input interface 26 inputs and the audio, video data that receives is converted to view data and the voice data of preset signals transmission standard.
In other embodiments, can also adopt other signal transmission standards to carry out signal transmission, such as VGA signal transmission standard or DVI signal transmission standard etc. between control box 20 and the display unit 10.
In the present embodiment, after TV tuner 241 will receive digital television signal or anolog TV signals and be converted to digital video transport stream, carrying out source coding through TV signal processing module 240 is original digitized audio, video data, and modular converter 230 is converted to original digitized audio, video data view data and the voice data of preset signals transmission standard.Wherein vision signal transfers to display unit 10 via bus 30 and shows that voice data audio treatment unit 220 and loud speaker are converted into voice signal.After the video file that other video input interfaces 26 receive and audio, video data are converted to the view data and voice data of preset signals transmission standard via modular converter 230 equally, view data transfers to display unit 10 via bus 30 and shows that voice data is converted into voice signal via audio treatment unit 220 and loud speaker.
The display unit 10 of the Split type television 100 in the utility model and control box 20 separation designs, display unit 10 includes only drive circuit and the image processing chip of display floater, necessity, and all the other power modules, data processing module and loud speaker all are arranged in the control box 20.The thickness of display unit 10 can be reduced to minimum.Control box 20 is integrated with TV tuner 241 and a plurality of video input interface 26, can receive via different transmission meanss video file and the audio, video data of anolog TV signals, digital television signal and various different-formats, after described video file and audio, video data are converted into the view data and voice data of preset signals transmission standard, view data transfers to display unit 10 via bus 30 and shows that voice data is converted into voice signal via audio treatment unit 220 and loud speaker.
In the utility model, the display unit 10 of Split type television 100 is connected with control box and is connected through a bus 30, and this bus 30 is transmit image data data and electric power simultaneously, and the mode of connection is simple.
Those skilled in the art will be appreciated that; above execution mode only is that the utility model is described; and be not to be used as restriction of the present utility model; as long as within connotation scope of the present utility model, appropriate change and variation that above embodiment is done all drop within the claimed scope of the utility model.