CN204360352U - A kind of intelligent SMART TFT module - Google Patents
A kind of intelligent SMART TFT module Download PDFInfo
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- CN204360352U CN204360352U CN201520037028.2U CN201520037028U CN204360352U CN 204360352 U CN204360352 U CN 204360352U CN 201520037028 U CN201520037028 U CN 201520037028U CN 204360352 U CN204360352 U CN 204360352U
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Abstract
A kind of intelligent SMART TFT module, comprises resistive touch screen, TFT module, foam, pcb board.Described pcb board is integrated with audio output circuit, power circuit, reset circuit, serial interface circuit, DC-DC conversion circuit, rgb interface change-over circuit, LED drive circuit, by socket, core board and main PCB is linked together.By the simple amendment to software, and download in core board, intelligent SMART TFT module inherently can complete a certain feature operation, or certain several feature operation.Convenient and flexible operation.By rgb interface change-over circuit, by traditional rgb signal, be converted to LVDS interface signal.Achieve the transmission of the two-forty of data, low noise, low-power consumption, remote, pin-point accuracy.
Description
Technical field
The utility model relates to a kind of LCD LCD MODULE, and being specifically related to one can download in core board by developing software accordingly by USB port or serial ports, just can complete corresponding feature operation and display.
Background technology
TFT screen, as a kind of general display device, is widely used in the various electronic equipment of national defence, industry, civilian, communal facility.Along with further expanding of electronical display products application scope, some specific occasions are relatively clearer and more definite to the requirement of display device, fixing, require that application is specialized, simple operation, with low costization.Traditional industry control class display product, powerful, complicated operation, volume is comparatively large, and price is higher, is a kind of wastes for there being the use of some single specific occasions.Traditional TFT screen only possesses the function of display, the data needing display are only stored in TFT screen, not there is other interfaces and self-powered device, change when displaying contents at needs, need extraneously to provide various power supply and by different interfaces for it provides display data for it.
Summary of the invention
The purpose of this utility model is to provide a kind of intelligent SMART TFT module, and being that a kind of intelligent graphic shows product alternately, comprising an intelligent kernel plate, is by after the core board that downloads, and by graphical display manipulation, realizes the object of man-machine interaction.The method is simple to operate, and cost is low.
For achieving the above object, the utility model realizes by the following technical solutions:
A kind of intelligent SMART TFT module, comprises resistive touch screen, TFT module, foam, pcb board, it is characterized in that, described TFT module, adopts COG nation to determine technology, directly fixes on TFT display screen by control drive IC nation; FPC connector also nation fixes on TFT display screen, is connected with control drive IC by TFT display screen; Described pcb board is integrated with core board, audio output circuit, power circuit, reset circuit, serial interface circuit, DC-DC conversion circuit, rgb interface change-over circuit, backlight source driving circuit, module interface, touch screen interface, by socket, core board and pcb board is linked together.
Described core board, built-in MCU processor, RAM and ROM storer, stereo coding circuit; Support USB interface, serial interface, I2C interface; Support the LCD module interface of 800RGBX600 resolution, 4-WIRE touch screens interface.
Described rgb interface change-over circuit, the signal that core board exports is rgb signal, and module interface is LVDS interface, by interface conversion circuit, rgb signal is converted to LVDS interface signal.
Compared with prior art, the beneficial effects of the utility model are:
1, this device is by integrated core board and interface circuit, and can realize by the simple amendment to software, module inherently can complete a certain feature operation, or certain several feature operation.Client according to the introduction of operation instructions, can carry out simple function setting to software, and picture is arranged, figure is arranged, and button is arranged, and just can complete a certain work requirements.Convenient and flexible operation.
2, by interface conversion circuit, by traditional rgb signal, LVDS interface signal is converted to.Adopt LVDS output interface transmission data, message transmission rate can be made high, long transmission distance, and electromagnetism interference (EMI) ability is strong, achieve the transmission of the two-forty of data, low noise, low-power consumption, remote, pin-point accuracy.
Accompanying drawing explanation
Fig. 1 is explosive view of the present utility model.
In Fig. 1: 1-resistive touch screen, 2-TFT module, 3-double-sided belt calymma cotton, 4-pcb board
Fig. 2 is each functional block diagram on PCB.
In Fig. 2: 5-core board, 6-audio output circuit, 7-power circuit, 8-reset circuit, 9-serial interface circuit, 10-DC-DC conversion circuit, 11-usb 1,2-clock circuit, 13-I2C interface, 14-LED backlight driving circuit
Embodiment
And embodiment of the present utility model is described in further detail below with reference to the accompanying drawings in conjunction with the embodiments.
See Fig. 1, intelligent SMART TFT module, comprises resistive touch screen 1, TFT module 2, foam 3, pcb board 4.Described TFT module, adopts COG nation to determine technology, directly control drive IC nation is fixed on TFT module.FPC connector also uses identical method nation to fix on TFT module, is connected with control drive IC by TFT module.TFT module is installed in LED backlight, backlight and TFT module is combined securely by upper and lower chase.
Described resistive touch screen 1 on chase, makes its one-piece construction firm by sticking double faced adhesive tape.
TFT module 2 is pasted onto on pcb board 4 by the double-sided belt calymma cotton 3 being pasted onto pcb board surrounding by described pcb board 4, makes its one-piece construction firm.The FPC connector of TFT module and the FPC connector of resistive touch screen are linked together by FPC socket corresponding on pcb board.
Fig. 2 is each functional block diagram on pcb board.
Pcb board is integrated with core board 5, audio output circuit 6, power circuit 7, reset circuit 8, serial interface 9, DC-DC conversion circuit 10, interface conversion circuit 11, usb 12, I2C interface 13, LED drive circuit 14.
Described core board 5, built-in MCU processor, the ROM of RAM and 128MB of 128MB, stereo coding circuit, supports USB interface, serial ports, I2C interface.Support the LCD module interface of 800RGBX600 resolution, 4-WIRE touch screens interface.
Audio output circuit 6, receives the stereo audio signal coming from core board, exports through audio output interface.
Power circuit 7, is converted to the voltage required for TFT module and core board by input voltage.
Reset circuit 8, when whole module system operation irregularity, by reset circuit, makes it return to original operating state.
Serial interface 9, uses Serial Port Line, by serial interface, downloads software in the ROM of core board.
DC-DC conversion circuit 10, this circuit produces VGH, VGL, AVDD, VCOM voltage required for TFT module.
Interface conversion circuit 11, the signal that core board exports is rgb signal, and module interface is LVDS interface, by interface conversion circuit, rgb signal is converted to LVDS interface signal.
Usb 12, uses USB line, by USB interface, downloads software in the ROM of core board.
I2C interface 13, by I2C interface, downloads software in the ROM of core board.
LED drive circuit 14, by coming from the pwm control signal of core board, provides different adjustable LED driving voltages, and driving LED is luminous.
Intelligence SMART TFT liquid crystal display module, by USB interface or serial interface or I2C interface, is connected with computing machine, by the corresponding software download required by terminal client in the storer of core board.After module switches on power, module produces the voltage of corresponding each working cell, for each element circuit work.DC-DC circuit, produces VGH, VGL, AVDD, VCOM voltage required for TFT module.LED drive circuit, produces LED driving voltage, and driving LED is luminous.Core board exports rgb signal, and by interface conversion circuit, be converted to LVDS signal, drive TFT screen display is shown.Output audio signal simultaneously, supply external audio circuitry, drives loudspeaker sounding.Reset circuit, is when module system operation irregularity, by reset key, makes it return to original operating state.
After module normally shows, the corresponding button in touch display area, can operate accordingly.As regulated back light source brightness, the time is arranged, volume is arranged, touch area is arranged, displaying contents is operated etc.
Claims (3)
1. an intelligent SMART TFT module, comprises resistive touch screen, TFT module, foam, pcb board, it is characterized in that, described TFT module, adopts COG nation to determine technology, directly fixes on TFT display screen by control drive IC nation; FPC connector also nation fixes on TFT display screen, is connected with control drive IC by TFT display screen; Described pcb board is integrated with core board, audio output circuit, power circuit, reset circuit, serial interface circuit, DC-DC conversion circuit, rgb interface change-over circuit, backlight source driving circuit, module interface, touch screen interface, by socket, core board and pcb board is linked together.
2. one according to claim 1 intelligent SMART TFT module, is characterized in that, described core board, built-in MCU processor, RAM and ROM storer, stereo coding circuit; Support USB interface, serial interface, I2C interface; Support the LCD module interface of 800RGBX600 resolution, 4-WIRE touch screens interface.
3. one according to claim 1 intelligent SMART TFT module, is characterized in that, described rgb interface change-over circuit, the signal that core board exports is rgb signal, module interface is LVDS interface, by interface conversion circuit, rgb signal is converted to LVDS interface signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520037028.2U CN204360352U (en) | 2015-01-20 | 2015-01-20 | A kind of intelligent SMART TFT module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520037028.2U CN204360352U (en) | 2015-01-20 | 2015-01-20 | A kind of intelligent SMART TFT module |
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| Publication Number | Publication Date |
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| CN204360352U true CN204360352U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520037028.2U Active CN204360352U (en) | 2015-01-20 | 2015-01-20 | A kind of intelligent SMART TFT module |
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| CN (1) | CN204360352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110648642A (en) * | 2019-09-27 | 2020-01-03 | 广东虹勤通讯技术有限公司 | Electronic equipment |
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2015
- 2015-01-20 CN CN201520037028.2U patent/CN204360352U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110648642A (en) * | 2019-09-27 | 2020-01-03 | 广东虹勤通讯技术有限公司 | Electronic equipment |
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