CN106982364A - Laser television ray machine control system based on AML T866SOC chips - Google Patents

Laser television ray machine control system based on AML T866SOC chips Download PDF

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Publication number
CN106982364A
CN106982364A CN201710157724.0A CN201710157724A CN106982364A CN 106982364 A CN106982364 A CN 106982364A CN 201710157724 A CN201710157724 A CN 201710157724A CN 106982364 A CN106982364 A CN 106982364A
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CN
China
Prior art keywords
dlp
chips
t866soc
aml
pins
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Pending
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CN201710157724.0A
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Chinese (zh)
Inventor
范自来
王威
国狄非
吴敬华
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TIANJIN COMMUNICATION AND BROADCASTING GROUP CO Ltd
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TIANJIN COMMUNICATION AND BROADCASTING GROUP CO Ltd
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Priority to CN201710157724.0A priority Critical patent/CN106982364A/en
Publication of CN106982364A publication Critical patent/CN106982364A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor

Abstract

The present invention relates to a kind of ray machine control system of the DLP laser televisions based on AML T866SOC multimedia chips, including the intelligent television main control unit being made up of AML T866SOC chips, the image information processing unit being made up of THC63LVD1023B image conversion chips, the DLP control information processing units being made up of the DLP control programs and hardware circuit installed, the DLP abnormal information processing units being made up of the DLP exception handlers and hardware circuit installed, the DLP laser projection units being made up of DLP system digital micromirror device driving plate and optical projection system, beneficial effect is the regulation for the display and display parameters that DLP laser projection systems are controlled by AML T866SOC master control borads, not only realize the laser projection display function of TV vision signals, and menu can be set to adjust laser projection display effect by TV or related miscellaneous function is set, and laser projection related status information can be read, possessing has abnormality detection and processing function, improve the intelligence degree of product and optimize Consumer's Experience.

Description

Laser television ray machine control system based on AML-T866SOC chips
Technical field
It is more particularly to a kind of to be based on AML-T866SOC the present invention relates to a kind of intelligent multimedia chip and DLP laser displays The ray machine control system of the DLP laser televisions of multimedia chip.
Background technology
In terms of intelligent television, intelligent television is now widely used for civilian consumer electronics field, and display device is mainly liquid Crystal display screen, beautiful in colour with image fidelity, the characteristic such as gamut range is wide, the main control chip of intelligent television is generally intelligence Multimedia television chip, in addition to basic TV functions, can also carry various operating systems, such as Android intelligent television etc., Intelligence system have greatly expanded the use function of TV, not only may browse through local resource, by Network Capture or can more divide Enjoy more multiple resource.
In terms of laser display, swash in recent years with the solid-state of the development of solid-state laser, particularly diode-end-pumped The application of light device, the laser integrates the advantage of conventional solid laser and semiconductor laser, with small volume, weight Gently, efficiency high, performance it is stable, it is pollution-free the advantages of so that laser display technology is developed rapidly, using laser television as representative Civilian laser display product take advantage of a situation.The display mode of laser display at this stage mainly has scan-type and projection, wherein It is real that projection includes the particular techniques such as LCD transmission liquid crystals, LCOS reflection type liquid crystals, DMD digital micro-mirrors, GLV grating light valves again Existing mode.Laser television product in the country's generally uses DLP projection system at present（Core component includes a piece of DMD digital micro-mirrors）Or Person 3LCD（Core component includes 3 LCD transmission liquid crystals）Optical projection system, while mainly passing through in the utilization of LASER Light Source Blue laser adds the mode of fluorescent powder color wheel to serve as light source.
But LCD TV size of display panels is limited by technology and cost and can not accomplish movie theatre rank, general projectors are only As display device, it is necessary to outer signal source, and general projectors brightness is relatively low, and color rendition degree is poor, by ambient light on Influence is big, then the ultrashort burnt rear-projection Intelligent Laser TV being made up of the hardware such as intelligent TV master control borads and laser projection system is then solved Determine these problems, accordingly, it would be desirable to develop a kind of software control system based on the hardware so that laser projection system can be with The output video of TV plates is shown, the display parameters and miscellaneous function of laser projection system can be set by TV plates again, so not The basic function of Intelligent Laser TV is only realized, while every hommization setting under Special use scene can be realized, from And further enhance Consumer's Experience.
The content of the invention
Present invention is primarily intended to research and develop a kind of laser television ray machine control system based on AML-T866SOC chips, lead to Intelligent television main control unit control DLP laser projection units are crossed, concrete technical scheme is that one kind is based on AML-T866SOC chips Laser television ray machine control system, including the intelligent television main control unit being made up of AML-T866SOC chips, by The image information processing unit that THC63LVD1023B images conversion chip is constituted, by the DLP control programs and hardware circuit installed The DLP control information processing units of composition, the DLP abnormal informations being made up of the DLP exception handlers and hardware circuit installed Processing unit, the DLP laser projection units being made up of DLP system digital micromirror device driving plate and optical projection system, its It is technically characterized in that：The vision signal of the intelligent television main control unit is connected to by the rgb interface of AML-T866SOC chips The rgb interface of THC63LVD1023B image conversion chips, passes through THC63LVD1023B image conversion chips after being changed through image LVDS interface be connected to the LVDS interfaces of DLP laser projection units, DLP control information processing unit processes intelligent television master controls Unit utilizes privately owned to the control command of DLP laser projection units and the reply data of the unit, these data by I2C buses Data protocol is transmitted, and intelligent television main control unit is used as slave unit, DLP abnormal informations as main equipment, DLP laser projection units Processing unit processes DLP laser projection units feed back to the abnormal signal of intelligent television main control unit, including fan exception and temperature Degree is abnormal, DLP laser projection units are abnormal, and feedback port is connected to the AML- of intelligent television main control unit by GPIO buses T866SOC chips, AML-T866SOC intelligent televisions main control unit provides 5V and 12V power supplys for DLP laser projection units；
The function that the present invention is realized is as follows：
One, laser television image display functions, DLP laser projection units pass through DMD（Digital Micromirror Device）Optical system is driven to show the video content of AML-T866SOC intelligent televisions main control unit output, either live electricity Still browse that broadcasting is local and network audio-video resource depending on signal, or even DLP laser projection unit storage insides image can be with Display.
Two, laser television image adjustment functions, DLP laser projection units are received from DLP control information processing unit hair The control signal that goes out, Image Adjusting action, such as trapezoidal correction, lifting settings, energy saver mode etc. are made, while returning accordingly State value is to DLP control information processing units.
Three, laser televisions exception monitorings and processing function, DLP abnormal information processing unit processes DLP laser projection units The abnormal signal of intelligent television main control unit, including fan exception and temperature anomaly are fed back to, and the processing of DLP abnormal informations is single Member continues to monitor the two ports, once abnormal occur, then by showing that abnormal information points out user to operate, is used in the stipulated time Family is without operation then automatic shutdown.
Four, laser television autoruns, the function is by DLP control information processing unit to DLP laser projection lists Member sends fc-specific test FC instruction and reads corresponding state to judge whether each function is normal.
The beneficial effects of the invention are as follows：Controlled by AML-T866SOC master control borads DLP laser projection systems display and The regulation of display parameters, not only realizes the laser projection display function of TV vision signals, and can set menu by TV Adjust laser projection display effect or related miscellaneous function is set, and laser projection related status information can be read, more It is important that possessing abnormality detection and processing function, improve the intelligence degree of product and optimize Consumer's Experience, the present invention With innovative significance and production practices meaning.
Brief description of the drawings
Fig. 1 is the system block diagram of the present invention；
Fig. 2 is the functional block diagram of the intelligent television main control unit AML-T866SOC master controls of the present invention；
Fig. 3 is the intelligent television main control unit and THC63LVD1023B image conversion chip circuit catenation principle figures of the present invention Main control unit part；
Fig. 4 is the intelligent television main control unit and THC63LVD1023B image conversion chip circuit catenation principle figures of the present invention THC63LVD1023B image conversion chips part；
Fig. 5 is the THC63LVD1023B images conversion chip and DLP laser projection unit circuit catenation principle figures of the present invention THC63LVD1023B image conversion chips part；
Fig. 6 is the THC63LVD1023B images conversion chip and DLP laser projection unit circuit catenation principle figures of the present invention DLP laser projection units part；
Fig. 7 is intelligence of the intelligent television main control unit with DLP laser projection unit control signal circuit catenation principle figures of the present invention Can television master control cell mesh；
Fig. 8 is DLP of the intelligent television main control unit with DLP laser projection unit control signal circuit catenation principle figures of the present invention Laser projection unit part；
Fig. 9 is the intelligent television main control unit and DLP laser projection unit exception monitoring signal circuit catenation principle figures of the present invention Intelligent television main control unit part；
Figure 10 is the intelligent television main control unit and DLP laser projection unit exception monitoring signal circuit catenation principle figures of the present invention DLP laser projection units part；
Figure 11 is the DLP abnormal information processing unit program flow diagrams of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described：
As shown in Figure 1 to 11, the system includes the intelligent television main control unit being made up of AML-T866SOC chips, by The image information processing unit that THC63LVD1023B images conversion chip is constituted, by the DLP control programs and hardware circuit installed The DLP control information processing units of composition, the DLP abnormal informations being made up of the DLP exception handlers and hardware circuit installed Processing unit, the DLP laser projection units being made up of DLP system digital micromirror device driving plate and optical projection system, institute The vision signal for stating intelligent television main control unit is connected to THC63LVD1023B figures by the rgb interface of AML-T866SOC chips As the rgb interface of conversion chip, it is connected to after being changed through image by the LVDS interface of THC63LVD1023B image conversion chips The LVDS interface of DLP laser projection units, DLP control information processing unit processes intelligent television main control unit is thrown DLP laser The control command of shadow unit and the reply data of the unit, these data are transmitted by I2C buses using private data agreement, intelligence Energy television master control unit is as main equipment, and DLP laser projection units are used as slave unit；DLP abnormal information processing unit processes DLP Laser projection unit feeds back to the abnormal signal of intelligent television main control unit, including fan exception and temperature anomaly, and DLP laser is thrown Shadow unit exception feedback port is connected to the AML-T866SOC main control chips of intelligent television main control unit by GPIO buses； AML-T866SOC intelligent televisions main control unit provides 5V and 12V power supplys for DLP laser projection units.
As shown in Fig. 2 AML-T866SOC intelligent televisions main control unit runs Android4.4.2 systems, it can carry rich Rich external equipment or the related external interface of extension so that AML-T866SOC and DLP laser projection systems connection possess Physical basis；It is open and compatible so that the system can handle journey with operation and control information based on Android intelligence systems Sequence and abnormal information processing routine, the laser television ray machine control system based on AML-T866SOC chips is organic to engage AML- T866SOC intelligent televisions main control unit and DLP laser projection units.
As shown in Fig. 3,4,5,6, wherein AML-T866SOC video output formats are rgb format, and DLP laser projection lists The pattern of the input of member is LVDS forms, so needing the conversion by RGB to LVDS conversion chips, physical circuit is connected as： The LCD_RO of AML-T866SOC chips is connected respectively to the R10 of THC63LVD1023B image conversion chips extremely to LCD_R7 pins R17 pins, the LCD_GO of AML-T866SOC chips is connected respectively to THC63LVD1023B images to LCD_G7 pins and changes core The G10 of piece is to G17 pins, and the LCD_BO of AML-T866SOC chips is connected respectively to THC63LVD1023B to LCD_B7 pins to scheme As the B10 of conversion chip is to B17 pins.The B0_N to B4_N of THC63LVD1023B image conversion chips is connected respectively to The LVDS_B0_N of CON25-200R2-H sockets is as LVDS_B4_N contact pins, the B0_P of THC63LVD1023B image conversion chips The LVDS_B0_P of CON25-200R2-H sockets is connected respectively to as LVDS_B4_P contact pins, HC63LVD1023B figures to B4_P As the BCLK_N and BCLK_P of conversion chip are connected respectively to the LVDS_BCLK_N and LVDS_ of CON25-200R2-H sockets BCLK_P contact pins, the A0_N to A4_N of THC63LVD1023B image conversion chips is connected respectively to CON25-200R2-H sockets LVDS_A0_N is connected respectively to LVDS_A4_N contact pins, the A0_P to A4_P of THC63LVD1023B image conversion chips The LVDS_A0_P of CON25-200R2-H sockets is to LVDS_A4_P contact pins, the ACLK_N of HC63LVD1023B image conversion chips And ACLK_P is connected respectively to LVDS_ACLK_N the and LVDS_ACLK_P contact pins of CON25-200R2-H sockets.
As shown in Figure 7,8, the DLP control information processing units software program of the system is arranged on intelligent television main control unit In, it is responsible for the transmission and reception of control signal and feedback signal between intelligent television main control unit and DLP laser projection units, tool Body circuit is connected as：The GPIOW_18 pins of AML-T866SOC chips are connected to CON25-200R2-H socket DLP_ON contact pins, The GPIOAO_8 pins of AML-T866SOC chips are connected to CON25-200R2-H socket DLP_RDY contact pins, AML-T866SOC cores The 3D_SYNC_OUT pins of piece are connected to CON25-200R2-H socket 2D/3D contact pins, the UART_TX_A pipes of AMLT866 chips Pin is connected to CON25-200R2-H socket UART_TX_DLP contact pins, and the UART_RX_A pins of AML-T866SOC chips are connected to CON25-200R2-H socket UART_RX_DLP contact pins, the I2C_SDA_C pins of AML-T866SOC chips are connected to CON25- 200R2-H socket SDA_PANEL contact pins, the I2C_SCK_C pins of AMLT866 chips are connected to CON25-200R2-H sockets SCK_PANEL contact pins.
The DLP control information processing unit software programs of the system are thrown in processing intelligent television main control unit with DLP laser Control signal and communicated between shadow unit using the proprietary protocol based on I2C buses during feedback signal, i.e., in communication process Middle to be communicated according to DLP control instructions table, AML-T866SOC intelligent televisions main control unit is used as main equipment, and DLP laser is thrown Shadow unit actively initiates to communicate as slave unit, by AML-T866SOC intelligent televisions main control unit, to DLP laser projection units Control instruction or status inquiry instruction are sent, the data structure of two kinds of instructions is data head loading data, data head generation The specific control action of table, load data is corresponding control parameter, and DLP laser projection units receive basis after command adapted thereto Content defined in DLP control unit instruction catalogues performs corresponding action or returns to corresponding state value, and the instruction catalogue has Expanded function, can be extended, current controlled items includes with the increase of real needs：The control and inquiry of DLP colour temperatures, Colour temperature includes standard, cool tone, warm tones；The control and inquiry of DLP projection modes, projection mode include positive throwing, rear-projection, lifting It is positive to throw, lift rear-projection；DLP trapezoidal corrections control to include the degree of upper trapezoid correction 0 to 40, lower trapezoid correction 0 to 40 with inquiry, scope Degree；DLP H/A modes control, with inquiring about, to be switching value, may be configured as opening or closing；DLP economic models are controlled with inquiring about, For switching value, it may be configured as opening or closing；DLP brilliance controls and inquiry, brightness range is 0 to 100；DLP enable control with Inquiry, is switching value, may be configured as opening or close.Specific instructions implication is shown in following form：
Instruction name Data head Load data Explanation
DLP is set to enable 0X3F 1Bit Switching value, 0 closes, and 1 opens
Set trapezoidal 0X36 1Bit Span -40 to+40
Projection mode is set 0X38 1Bit 0：It is positive to throw, 1：Rear-projection, 2：Lifting is positive to throw, and 3：Lift rear-projection
ECO patterns are set 0X39 1Bit Switching value, 0 closes, and 1 opens
H/A mode is set 0X3B 1Bit Switching value, 0 closes, and 1 opens
Brightness is set 0X3C 1Bit Span 0 to 100
Colour temperature is set 0X33 1Bit 0：Standard, 1：Cool tone, 2：Warm tones
Obtain trapezoidal 0X15 0X36 N The same arranges value of acquired value lexical or textual analysis
Obtain projection mode 0X15 0X38 N The same arranges value of acquired value lexical or textual analysis
Obtain ECO patterns 0X15 0X39 N The same arranges value of acquired value lexical or textual analysis
Obtain H/A mode 0X15 0X3B N The same arranges value of acquired value lexical or textual analysis
Obtain brightness 0X15 0X3C N The same arranges value of acquired value lexical or textual analysis
Obtain colour temperature 0X15 0X33 N The same arranges value of acquired value lexical or textual analysis
As shown in Fig. 9,10, the DLP abnormal information processing units software program of the system is arranged in intelligent television main control unit, Be responsible for processing DLP laser projection units and feed back to the abnormal signal of intelligent television main control unit, including fan exception and temperature it is different Often, and DLP abnormal information processing units continue to monitor the two ports, once abnormal occur, then by showing that abnormal information is carried Show that user operates, user's untreated then automatic whole laser TV system of closing in 30 seconds, it is to avoid the generation of security incident, tool Body circuit is connected as：The GPIOW_3 pins of AML-T866SOC chips are connected to CON25-200R2-H socket FAN_ERR contact pins, The GPIOW_4 pins of AML-T866SOC chips are connected to CON25-200R2-H socket TEP_ERR contact pins.
As shown in figure 11, abnormal information process chart, the abnormal information processing routine of the system has following steps,
First, judge whether DLP abnormal monitorings function is opened, the information of abnormal monitoring port is read if opening, otherwise program Terminate；
Second, judge whether the abnormal monitoring information read is without exception, if then DLP is normally exported, then program, which is returned, continues The information of abnormal monitoring port is read, 30 seconds abnormal prompt information are shown if having exception and wait user to operate；
3rd, judge whether user without operation, if then closing DLP outputs, EP (end of program), if user has operation, program is returned Continue the information of reading abnormal monitoring port.

Claims (4)

1. a kind of laser television ray machine control system based on AML-T866SOC chips, it is characterised in that：The described system includes The intelligent television main control unit being made up of AML-T866SOC chips, the image being made up of THC63LVD1023B image conversion chips Information process unit, the DLP control information processing units being made up of the DLP control programs and hardware circuit installed, by what is installed The DLP abnormal information processing units of DLP exception handlers and hardware circuit composition, are driven by DLP system digital micromirror device The DLP laser projection units that plate and optical projection system are constituted, the LCD_RO to LCD_R7 of described AML-T866SOC chips Pin is connected respectively to the R10 of THC63LVD1023B image conversion chips to R17 pins, the LCD_GO of AML-T866SOC chips The G10 of THC63LVD1023B image conversion chips is connected respectively to G17 pins, AML-T866SOC chips to LCD_G7 pins LCD_BO be connected respectively to the B10 of THC63LVD1023B image conversion chips to B17 pins to LCD_B7 pins, The B0_N to B4_N of THC63LVD1023B image conversion chips is connected respectively to the LVDS_B0_N of CON25-200R2-H sockets extremely LVDS_B4_N contact pins, the B0_P to B4_P of THC63LVD1023B image conversion chips is connected respectively to CON25-200R2-H rows Slotting LVDS_B0_P connects respectively as LVDS_B4_P contact pins, the BCLK_N and BCLK_P of HC63LVD1023B image conversion chips It is connected to LVDS_BCLK_N the and LVDS_BCLK_P contact pins of CON25-200R2-H sockets, THC63LVD1023B image conversion chips A0_N to A4_N be connected respectively to the LVDS_A0_N of CON25-200R2-H sockets to LVDS_A4_N contact pins, The A0_P to A4_P of THC63LVD1023B image conversion chips is connected respectively to the LVDS_A0_P of CON25-200R2-H sockets extremely LVDS_A4_P contact pins, the ACLK_N and ACLK_P of HC63LVD1023B image conversion chips are connected respectively to CON25-200R2-H LVDS_ACLK_N the and LVDS_ACLK_P contact pins of socket.
2. the laser television ray machine control system as claimed in claim 1 based on AML-T866SOC chips, it is characterised in that： The connection of described AML-T866SOC chips and CON25-200R2-H sockets is the GPIOW_18 pins of AML-T866SOC chips CON25-200R2-H socket DLP_ON contact pins are connected to, the GPIOAO_8 pins of AML-T866SOC chips are connected to CON25- 200R2-H socket DLP_RDY contact pins, the 3D_SYNC_OUT pins of AML-T866SOC chips are connected to CON25-200R2-H rows 2D/3D contact pins are inserted, the UART_TX_A pins of AMLT866 chips are connected to CON25-200R2-H socket UART_TX_DLP contact pins, The UART_RX_A pins of AML-T866SOC chips are connected to CON25-200R2-H socket UART_RX_DLP contact pins, AML- The GPIOW_3 pins of T866SOC chips are connected to CON25-200R2-H socket FAN_ERR contact pins, AML-T866SOC chips GPIOW_4 pins are connected to CON25-200R2-H socket TEP_ERR contact pins, the I2C_SDA_C pins of AML-T866SOC chips CON25-200R2-H socket SDA_PANEL contact pins are connected to, the I2C_SCK_C pins of AMLT866 chips are connected to CON25- 200R2-H socket SCK_PANEL contact pins.
3. the laser television ray machine control system as claimed in claim 1 based on AML-T866SOC chips, it is characterised in that： Described DLP control information processing units, control program has following steps,
First, powered to DLP laser projection units；
Second, DLP_ON signals are put into high level, whether the DLP_READY signals for then judging DLP laser projection units are height, High level then sends the start of power-on command sequence, and low level is not started shooting；
In operation, corresponding DLP regulating commands normally are sent according to practical operation for 3rd, DLP laser projection unit, if shutdown Instruction, then set low level, whether be low level, low level is then by DLP systems if then judging DLP_READY signals by DLP_ON signals System power-off completes safety shutdown, otherwise waits for DLP_READY signals and powers off to complete safety shutdown again to be low.
4. the laser television ray machine control system based on AML-T866SOC chips according to claim 1,3, its feature exists In described DLP abnormal information processing units, DLP abnormal information processing routines have following steps：
First, judge whether DLP abnormal monitorings function is opened, the information of abnormal monitoring port is read if opening, otherwise program Terminate；
Second, judge whether the abnormal monitoring information read is without exception, and DLP is normally exported if without exception, then program is returned Continue the information of reading abnormal monitoring port, 30 seconds abnormal prompt information are shown if having exception and wait user to operate；
3rd, judge whether user without operation, if then closing DLP outputs, EP (end of program), if user has operation, program is returned Continue the information of reading abnormal monitoring port.
CN201710157724.0A 2017-03-16 2017-03-16 Laser television ray machine control system based on AML T866SOC chips Pending CN106982364A (en)

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