CN202907110U - Split type television and control box applied to same - Google Patents

Abstract

A split-type TV, including a display device and a control box separated from each other; the control box includes a TV tuner and multiple video input interfaces, and can receive TV signals, video files and audio files in various formats through different transmission methods. After the video signal, the TV signal, video file and audio and video signal are converted into the image signal and audio signal of the preset signal transmission standard, the video signal is transmitted to the display device for display through the data transmission line, and the audio signal is converted through the audio processing unit and the speaker for the sound signal. The display device and the control box of the split-type TV in the utility model are designed separately. The display device only includes a display panel, a necessary driving circuit and an image processing chip, and the remaining power modules, data processing modules and speakers are all arranged in the control box. The thickness of the display device can be reduced to a minimum. The utility model also provides a control box applied to the split TV.

Description

Split-type TV and control box applied to the split-type TV

technical field

The utility model relates to the field of televisions, in particular to a split-type television and a control box applied to the split-type television.

Background technique

With the development of flat-panel display technology, flat-panel LCD TVs tend to become thinner and thinner, and ultra-thin LCD TVs have become the development trend of LCD TVs. At present, the implementation of ultra-thin LCD TV usually makes the various components in the TV thinner, such as reducing the thickness of the LCD screen module, reducing the thickness of the power supply, reducing the thickness of the TV circuit board, etc., but these methods only The thickness of the TV can be reduced to a certain extent, and at the same time, the reduction of the thickness will bring about the disadvantages of poor heat dissipation and reduced optical characteristics. Another way is to transfer the circuit board and power supply of the TV from the rear of the screen to the lower edge of the screen or other positions, but this method cannot achieve ultra-thin and narrow borders at the same time, which affects the appearance.

In addition, in addition to a power cord, a general TV also needs a 75Ω coaxial cable to receive analog TV signals. The TV can also receive video source input from other video equipment such as digital set-top boxes, digital video recorders, etc. through a high-definition multimedia interface (High Definition Multimedia Interface, HDMI) or digital video interface (Digital Video Interface, DVI). Multiple connecting wires. Therefore, the data interface of this TV is complicated, and the types of data lines are various. It is difficult for ordinary users to perform correct wiring even according to the instruction manual, which is very inconvenient to use.

Utility model content

In view of this, the utility model provides a split TV and a control box applied to the split TV.

A split-type television, comprising a display device and a control box separated from each other, the display device and the control box are connected through a data transmission line; the control box includes a TV tuner, a TV signal processing module, a plurality of video input interfaces, Microprocessor, signal output interface, audio processing unit and conversion module, this conversion module is connected with TV signal processing module and a plurality of video input interfaces respectively, and described microprocessor is used for switching different video input interfaces and TV signal processing module and conversion The connection between the modules; the TV signal processing module is connected between the TV tuner and the conversion module, the TV tuner receives the TV signal, and converts the TV signal into a digital video transmission stream, and the TV signal processing module The digital video transmission stream is restored to original digitized audio and video data; the multiple video input interfaces are used to receive corresponding audio and video data; the conversion module receives the video input when connected to multiple video input interfaces Interface input audio and video data and convert the received audio and video data into preset signal transmission standard image data and audio data, when connected to the TV signal processing module, receive the audio and video data restored by the TV signal processing module, and Convert the received audio and video data into image data and audio data of the preset signal transmission standard; the conversion module is also connected to the signal output interface, and the signal output interface transmits the image signal conforming to the preset signal transmission standard to A display device, the audio processing unit controls a speaker to emit corresponding sounds according to the audio signal; the display device includes a signal input interface connected to the signal output interface, a drive unit, a display unit and an image processing unit, the The signal input interface receives the preset signal transmitted by the signal output interface to transmit a standard image signal, and the image processing unit converts the image signal into a driving signal recognizable by the driving unit, and the driving unit is used to transmit the image signal according to the driving signal The display unit is driven to display images.

A control box for a split-type TV, which is connected to a display device of the split-type TV through a data transmission line, including a TV tuner, a TV signal processing module, multiple video input interfaces, a microprocessor, and a signal output interface, An audio processing unit and a conversion module, the conversion module is respectively connected with the TV signal processing module and a plurality of video input interfaces, and the microprocessor is used to switch between different video input interfaces and the connection between the TV signal processing module and the conversion module; The TV signal processing module is connected between the TV tuner and the conversion module. The TV tuner receives the TV signal and converts the TV signal into a digital video transmission stream, and the digital video transmission stream of the TV signal processing module restores the original Digitized audio and video data; the multiple video input interfaces are used to receive corresponding audio and video data; when the conversion module is connected to multiple video input interfaces, it receives the audio and video data input by the video input interface and The received audio and video data is converted into preset signal transmission standard image data and audio data, when connected to the TV signal processing module, the audio and video data restored by the TV signal processing module is received, and the received audio and video data is converted into The image data and audio data of the preset signal transmission standard; the conversion module is also connected to the signal output interface, and the signal output interface transmits the image signal conforming to the preset signal transmission standard to the display device, and the audio processing unit according to the The audio signal controls a loudspeaker to emit a corresponding sound.

The display device and the control box of the split-type TV in the utility model are designed separately. The display device only includes a display panel, a necessary driving circuit and an image processing chip, and the rest of the power supply module, data processing module and loudspeaker are all arranged in the control box. The thickness of the display device can be reduced to a minimum. The control box is integrated with a TV tuner and multiple video input interfaces, and can receive video files and audio and video signals in various formats through different transmission methods, and the video files and audio and video signals are converted into image signals and video signals of preset signal transmission standards. After the audio signal, the video signal is transmitted to the display device for display through the bus, and the audio signal is converted into a sound signal through the audio processing unit and the speaker.

Description of drawings

FIG. 1 is a schematic structural view of a split-type TV in an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of the bus of the split-type TV in FIG. 1 .

Fig. 3 is a schematic diagram of the module structure of the split TV in Fig. 1 .

Description of main component symbols

Split TV 100 display device 10 Drive unit 110 Display unit 120 image processing unit 130 input interface 140 Signal input interface 1401 Power input interface 1402 control box 20 Output Interface 210 Signal output interface 211 Power output interface 212 audio processing unit 220 speaker 221 conversion module 230 TV signal processing module 240 tv tuner 241 analog tv tuner 2411 digital tv tuner 2412 Video decoding module 250 D/A conversion module 251 Video input interface 26 USB interface 261 internet interface 262 Video Graphics Array Interface 263 composite video interface 264 digital video interface 265 HDMI interface 266 microprocessor 270 power module 280 bus 30 first terminal 31 Signal output terminal 311 Power output terminal 312 second terminal 32 Signal input terminal 321 Power input terminal 322

The following specific embodiments will further illustrate the utility model in conjunction with the above-mentioned accompanying drawings.

Detailed ways

Please refer to FIG. 1 , which is a schematic structural view of a split-type TV 100 in an embodiment of the present invention. The split-type TV 100 includes a display device 10 and a control box 20 separated from each other. Root bus 30 connections.

Please refer to FIG. 2, the bus 30 includes a line body 33 and a first terminal 31 and a second terminal 32 extending from both ends of the line body 33, the first terminal 31 includes a signal output terminal 311 and a power output terminal 312, the The second terminal 32 includes a signal input terminal 321 and a power input terminal 322 .

Please refer to FIG. 3 together. In this embodiment, the display device 10 is a thin display, and the thin display may be a thin liquid crystal display or a flat liquid crystal display. The display device 10 includes a display unit 120 , a driving unit 110 , an image processing unit 130 and an input interface 140 . The input interface 140 includes a signal input interface 1401 and a power input interface 1402 . The first terminal 31 of the bus 30 is connected to the input interface 140 of the display device 10, wherein the signal output terminal 311 of the first terminal 31 is connected to the signal input interface 1401 of the input interface 140, and the power output terminal of the first terminal 31 312 is connected to the power input interface 1402 of the input interface 140 .

The control box 20 includes a TV tuner 241 , a TV signal processing module 240 , a conversion module 230 , a plurality of video input interfaces 26 , a microprocessor 270 , an audio processing unit 220 , a speaker 221 , a power module 280 and an output interface 210 . The output interface 210 includes a signal output interface 211 and a power output interface 212 .

The second terminal 32 of the bus 30 is connected to the output interface 210 of the control box 20, wherein the signal input terminal 321 of the second terminal 32 is connected to the signal output interface 211 of the output interface 210, and the power input terminal of the second terminal 32 322 is connected to the power input power output interface 212 of the output interface 210 . The power module 280 of the control box 20 is connected to an external power supply. The power output interface 212 is connected to the power module 280 . The power output interface 212 receives power from the power module 280 and transmits it to the display device 10 via the bus 30 .

The TV tuner 241 includes an analog TV tuner 2411 and a digital TV tuner 2412 . The control box 20 can receive the analog TV signal through the antenna or the cable closed-circuit signal receiving circuit, and the analog TV tuner 2411 is used to receive the analog TV signal transmitted from the antenna or the cable closed-circuit signal receiving circuit, and amplify the analog TV signal at high frequency , comparison processing, channel decoding and demodulation, and restore the digital video transport stream to the TV signal processing module 240. The TV signal processing module 240 is connected between the TV tuner 241 and the conversion module 230, and the TV signal processing module 240 performs source decoding and other processing on the digital video transmission stream to restore the original digital audio and video data.

The control box 20 can receive digital TV signals transmitted by the wireless signal receiving circuit, such as satellite digital TV signals or terrestrial digital TV signals; the control box 20 can also receive cable digital TV signals transmitted by the TV cable, and the control box receives Satellite digital TV signals, terrestrial digital TV signals and cable digital TV signals are all modulated digital radio frequency signals. The digital TV tuner 2412 is used to receive the digital TV signal transmitted from the wireless signal receiving circuit or the cable digital TV cable, demodulate the digital TV signal into a digital video transmission stream and transmit it to the TV signal processing module 240 . Similarly, the TV signal processing module 240 performs source decoding and other processing on the digital video transport stream to restore the original digitized audio and video data.

In this embodiment, the original digitized audio and video data includes 4:4:4 sampling or 4:2:2 sampling RGB image data and audio data. In other embodiments, the image data in the original audio and video signal may also be original image data in various encoding methods such as image data in YCbCr format or image data in YUV format.

The conversion module 230 includes a multi-channel input digital video conversion chip based on Field Programmable Gate Array (Field-Programmable Gate Array, FPGA), which can convert the received digitized audio and video signals into preset digital Video data in video format. The conversion module 230 is used for receiving the audio and video signals, and converting the received audio and video data into image data and audio data of preset signal transmission standards. The signal output interface 211 transmits the image data converted by the conversion module 230 to the display device 10 via the bus 30 , and the audio processing unit 220 controls a speaker 221 to emit a corresponding sound according to the audio data converted by the conversion module 230 . In this embodiment, the speaker 221 is a sound.

In this embodiment, the signal output interface 211 of the control box 20 and the signal input interface 1401 of the display device 10 are HDMI ports for signal transmission using the HDMI signal transmission standard. The signal output terminal 311 and the signal input terminal 321 of the bus 30 are HDMI terminals for signal transmission using the HDMI signal transmission standard. The conversion module 230 converts the received audio and video signals transmitted from the TV signal processing module 240 into image data and audio data of the HDMI signal transmission standard.

The signal input interface 1401 of the display device 10 is connected to the signal output terminal 311 of the first terminal 31 of the bus 30. Set the signal to transmit standard image data. The image processing unit 130 is used to convert the image data received by the signal input interface 1401 into a driving signal recognizable by the driving unit 110 , and transmit the driving signal to the driving unit 110 . In this embodiment, the image processing unit 130 converts the image data received by the signal input interface 1401 into a low voltage differential signal (Low Voltage Differential Signaling, LVDS). In other embodiments, the image processing unit 130 converts the HDMI signal transmission standard The image data is converted into MINI-LVDS signal. The driving unit 110 drives the display unit 120 to display images according to the driving signal transmitted by the image processing unit 130 .

The multiple video input interfaces 26 of the control box 20 are used to connect with external audio and video sources through corresponding interface cables, and receive corresponding audio and video data or audio and video files. In this embodiment, the multiple video input interfaces 26 of the control box 20 include a USB interface 261 and an Internet interface 262 . The USB interface 261 is used to receive video files transmitted through the USB interface, and the USB interface 261 can be connected to a mobile storage device or an electronic device with storage function. The control box 20 is connected to the Internet through the Internet interface 262, and the Internet interface 262 of the control box 20 can receive video files transmitted to the control box 20 via the Internet. The control box 20 also includes a video decoding module 250, one end of the video decoding module 250 is connected to the USB interface 261 and the Internet interface 262, and the other end is connected to the conversion module 230 for receiving the USB interface 261 and the Internet interface 262. The video file is decoded and restored to the original digitized audio and video data, and the audio and video data is sent to the conversion module 230 . As mentioned above, the conversion module 230 converts the received audio and video data into image data and audio data of preset signal transmission standards.

The multiple video input interfaces 26 of the control box 20 also include a video graphics array (Video Graphics Array, VGA) interface 263 or a composite video (Composite Video Blanking and Sync, CVBS) interface 264, the VGA interface 263 and the CVBS interface 264 Both are video signal transmission interfaces based on analog signal data transmission standards. The VGA interface 263 and the CVBS interface 264 are respectively used to receive analog audio and video data in corresponding formats. Control box 20 also comprises a digital/analog conversion module 251, and this digital/analog conversion module 251 one end is connected with described VGA interface 263 and CVBS interface 264, and the other end is connected with conversion module 230, is used for VGA interface 263 and CVBS interface 264 converts the audio and video data based on the analog signal into digitized audio and video data, and sends the digitized audio and video data to the conversion module 230 . The conversion module 230 converts the received audio and video data into image data and audio data of preset signal transmission standards.

The plurality of video input interfaces 26 of the control box 20 can also include a digital video interface 265 (Digital Video Interface, DVI), and the DVI interface 265 adopts a digital data format to transmit audio and video signals. The DVI interface 265 is used for receiving digitized audio and video data, and sending the received digitized audio and video data to the conversion module 230 .

In this embodiment, the plurality of video input interfaces 26 of the control box 20 further includes an HDMI interface 266 for receiving audio and video data transmitted using the HDMI signal transmission standard. Since in this embodiment, the signal output interface 211 of the control box 20 and the signal input interface 1401 of the display device 10 use the HDMI signal transmission standard for signal transmission, the audio and video data received via the HDMI interface 266 has already been HDMI signal transmission. mode, without conversion by the conversion module 230. The signal output interface 211 transmits the image data in the audio and video data received by the HDMI interface 266 to the display device 10 via the bus 30, and the audio processing unit 220 controls the speaker 221 to emit corresponding sounds according to the audio data in the audio and video data received by the HDMI interface 266 .

The microprocessor 270 is used to switch connections between different video input interfaces 26 and the conversion module 230 according to whether the video input interface 26 is connected to a data source. That is, when the microprocessor 270 detects that the video input interface 26 is not connected to the data source, it establishes a connection between the TV signal processing module 240 and the conversion module 230, receives the audio and video data restored by the TV signal processing module 240, and Convert the received audio and video data into the image data and audio data of the preset signal transmission standard; when the microprocessor 270 detects that a certain video input interface 26 is connected with a data source, then the video input interface 26 and the conversion module 230 are established The audio and video data input by the video input interface 26 is received and the received audio and video data is converted into image data and audio data of a preset signal transmission standard.

In other implementation manners, other signal transmission standards may also be used for signal transmission between the control box 20 and the display device 10 , such as the VGA signal transmission standard or the DVI signal transmission standard.

In this embodiment, after the TV tuner 241 converts the received digital TV signal or analog TV signal into a digital video transmission stream, the TV signal processing module 240 performs source decoding into original digitized audio and video data, and the conversion module 230 Convert the original digitized audio and video data into preset signal transmission standard image data and audio data. The video signal is transmitted to the display device 10 via the bus 30 for display, and the audio data is converted into a sound signal by the audio processing unit 220 and the speaker. The video files and audio and video data received by other video input interfaces 26 are also converted into preset signal transmission standard image data and audio data via the conversion module 230, and the image data is transmitted to the display device 10 for display via the bus 30, and the audio data is transmitted via the audio The processing unit 220 and the speaker convert the audio signal.

The display device 10 and the control box 20 of the split-type TV 100 in the utility model are designed separately, and the display device 10 only includes a display panel, a necessary driving circuit and an image processing chip, and the remaining power modules, data processing modules and speakers are all arranged in the Inside the control box 20. The thickness of the display device 10 can be reduced to a minimum. The control box 20 is integrated with a TV tuner 241 and a plurality of video input interfaces 26, and can receive analog TV signals, digital TV signals, and various video files and audio and video data in different formats via different transmission methods. After being converted into the image data and audio data of the preset signal transmission standard, the image data is transmitted to the display device 10 for display via the bus 30 , and the audio data is converted into a sound signal via the audio processing unit 220 and the speaker.

In the utility model, the display device 10 and the control box 20 of the split-type TV 100 are only connected through a bus 30, and the bus 30 transmits image data and power at the same time, and the wiring method is simple.

Those of ordinary skill in the art should recognize that the above embodiments are only used to illustrate the utility model, rather than as a limitation to the utility model, as long as within the spirit of the utility model, the above embodiments Appropriate changes and changes all fall within the scope of protection of the utility model.

Claims (17)

1. Split type television, it is characterized in that: comprise the display unit and the control box that are separated from each other, described display unit is connected a data line and is connected with control box; Described control box comprises TV tuner, TV signal processing module, a plurality of video input interfaces, microprocessor, signal output interface, audio treatment unit and modular converter, this modular converter respectively with TV signal processing module with are connected video input interface and are connected, described microprocessor is used for switching being connected between different video input interface and TV signal processing module and the modular converter; Described TV signal processing module, be connected between TV tuner and the modular converter, the TV tuner received television signal is converted to digital video transport stream with this TV signal, and the described digital video transport stream of described TV signal processing module is reduced to original digitized audio, video data; Described a plurality of video input interface is used for receiving corresponding audio, video data; Described modular converter is when being connected with a plurality of video input interfaces, receive the audio, video data of described video input interface input and the audio, video data that receives is converted to view data and the voice data of preset signals transmission standard, when being connected with described TV signal processing module, the audio, video data of received television signal processing module reduction, and the audio, video data that receives is converted to view data and the voice data of preset signals transmission standard; Described modular converter also is connected in described signal output interface, and to display unit, control a loud speaker according to described audio signal and send corresponding sound by audio treatment unit with the described image signal transmission that meets the preset signals transmission standard for signal output interface; Described display unit comprises a signal input interface that is connected with described signal output interface, a driver element, a display unit and an image process unit, described signal input interface receives the picture signal of the preset signals transmission standard of signal output interface transmission, described image process unit is converted into the discernible driving signal of driver element with described picture signal, and described driver element is used for showing image according to described drive display unit.

2. Split type television as claimed in claim 1, it is characterized in that: described microprocessor is at the detecting video input interface not during the access data source, set up being connected between TV signal processing module and the modular converter, detect video input interface when having connected data source, setting up being connected between video input interface and the modular converter.

3. Split type television as claimed in claim 1 is characterized in that: described signal output interface and signal input interface adopt HDMI signal transmission standard to carry out signal transmission.

4. Split type television as claimed in claim 1, it is characterized in that: described TV tuner comprises an analog television tuner, receives anolog TV signals, transfers to TV signal processing module after anolog TV signals are reduced to digital video transport stream.

5. Split type television as claimed in claim 1, it is characterized in that: described TV tuner comprises a digital TV tuner, receiving digital television signal transfers to TV signal processing module after digital television signal is demodulated into digital video transport stream.

6. Split type television as claimed in claim 1, it is characterized in that: described a plurality of video input interfaces comprise a USB interface or internet interface, the receiver, video file, described control box comprises that also a video decode module is connected between this USB interface or internet interface and the modular converter, described video file decoding is reduced to original digitized audio, video data, and this audio, video data is sent to modular converter.

7. Split type television as claimed in claim 1, it is characterized in that: described a plurality of video input interfaces comprise Video Graphics Array interface or a composite video interface, receive the analog audio-video audio data of corresponding form, described control box comprises that also a D/A switch module is connected between this Video Graphics Array interface or composite video interface and the modular converter, described analog audio-video data are converted to digitized audio, video data, and should be sent to modular converter by digitized audio, video data.

8. Split type television as claimed in claim 1, it is characterized in that: described a plurality of video input interfaces comprise a digital visual interface, receive digitized audio, video data, and should be sent to modular converter by digitized audio, video data.

9. Split type television as claimed in claim 1, it is characterized in that: described data line is the bus of a while the transmission of data and power supply, described bus packet vinculum body and from the line body from the extended the first terminal in its two ends and the second terminal, described the first terminal comprises signal output terminal and power output terminal, and described the second terminal comprises signal input terminal and power input terminal;

Described signal input terminal is connected in the signal output interface of control box, described signal output terminal is connected with the signal input interface of display unit, bus receives the signal that control box is exported by signal input terminal, by signal output terminal described signal is transferred to display unit;

Described power input terminal is connected with the power output interface of control box, described power output terminal is connected with the power interface of display unit, when control box was connected in a power supply, power input terminal received electric energy and transfers to display unit through power output terminal from described power supply.

10. control box that is used for Split type television, it is connected in the display unit of this Split type television by a data line, it is characterized in that, comprise TV tuner, TV signal processing module, a plurality of video input interfaces, microprocessor, signal output interface, audio treatment unit and modular converter, this modular converter respectively with TV signal processing module with are connected video input interface and are connected, described microprocessor is used for switching being connected between different video input interface and TV signal processing module and the modular converter; Described TV signal processing module, be connected between TV tuner and the modular converter, the TV tuner received television signal is converted to digital video transport stream with this TV signal, and the described digital video transport stream of described TV signal processing module is reduced to original digitized audio, video data; Described a plurality of video input interface is used for receiving corresponding audio, video data; Described modular converter is when being connected with a plurality of video input interfaces, receive the audio, video data of described video input interface input and the audio, video data that receives is converted to view data and the voice data of preset signals transmission standard, when being connected with described TV signal processing module, the audio, video data of received television signal processing module reduction, and the audio, video data that receives is converted to view data and the voice data of preset signals transmission standard; Described modular converter also is connected in described signal output interface, and to display unit, control a loud speaker according to described audio signal and send corresponding sound by audio treatment unit with the described image signal transmission that meets the preset signals transmission standard for signal output interface.

11. control box as claimed in claim 10, it is characterized in that: described microprocessor is at the detecting video input interface not during the access data source, set up being connected between TV signal processing module and the modular converter, detect video input interface when having connected data source, setting up being connected between video input interface and the modular converter.

12. control box as claimed in claim 10 is characterized in that: described signal output interface and signal input interface adopt HDMI signal transmission standard to carry out signal transmission.

13. control box as claimed in claim 10 is characterized in that: described TV tuner comprises an analog television tuner, receives anolog TV signals, transfers to TV signal processing module after anolog TV signals are reduced to digital video transport stream.

14. control box as claimed in claim 10 is characterized in that: described TV tuner comprises a digital TV tuner, and receiving digital television signal transfers to TV signal processing module after digital television signal is demodulated into digital video transport stream.

15. control box as claimed in claim 10, it is characterized in that: described a plurality of video input interfaces comprise a USB interface or internet interface, the receiver, video file, described control box comprises that also a video decode module is connected between this USB interface or internet interface and the modular converter, described video file decoding is reduced to original digitized audio, video data, and this audio, video data is sent to modular converter.

16. control box as claimed in claim 10, it is characterized in that: described a plurality of video input interfaces comprise Video Graphics Array interface or a composite video interface, receive the analog audio-video audio data of corresponding form, described control box comprises that also a D/A switch module is connected between this Video Graphics Array interface or composite video interface and the modular converter, described analog audio-video data are converted to digitized audio, video data, and should be sent to modular converter by digitized audio, video data.

17. control box as claimed in claim 10 is characterized in that: described a plurality of video input interfaces comprise a digital visual interface, receive digitized audio, video data, and should be sent to modular converter by digitized audio, video data.

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