CN218830761U

CN218830761U - Multi-module integrated intelligent television mainboard

Info

Publication number: CN218830761U
Application number: CN202222509490.0U
Authority: CN
Inventors: 李劼
Original assignee: Shenzhen Freisen Technology Co ltd
Current assignee: Shenzhen Freisen Technology Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-04-07
Anticipated expiration: 2032-09-21

Abstract

The utility model discloses a multi-module integrated intelligent television mainboard, which comprises a PCB board, wherein a power module, a backlight module, a main control module, a logic module, a remote control receiving module, a key module, a LED signal indication module, a WiFi module and an antenna module are integrated on the PCB board; the logic module comprises a time schedule controller and a logic manager, and the logic manager is integrated with a row driving unit, a column driving unit, a DC-DC conversion unit and a gamma correction unit; the main control module outputs MiniLDVS data signals, timing signals and control signals, the MiniLDVS data signals are directly output to a liquid crystal panel of the intelligent television, the timing signals are output to the timing controller, and the control signals are output to the logic manager. The utility model discloses with each circuit module integration on a PCB board, save interface and wire rod with each functional unit integration setting in the logic module in a logic manager simultaneously, save space, reduce production and assembly cost.

Description

Multi-module integrated intelligent television mainboard

Technical Field

The utility model relates to a TV set technical field especially relates to a multimode module integrated form intelligent TV mainboard.

Background

With the rapid advance of global intelligent television digital technology and the mass production of intelligent Television (TV) board cards, the price competition of the intelligent TV is intensified, so that manufacturers of the intelligent TV board cards change research and development design strategies according to the current market demands, increase research and development innovative designs, reduce the cost and increase the product competitiveness.

The circuit of the intelligent television comprises a plurality of modules, such as a main control module, a logic module, a remote control module and the like. The circuit modules of the existing intelligent television are distributed on different circuit boards, such as a main board, a logic board, a remote control board and the like, then interfaces are arranged among all the board cards and connected through wires, and all the functional circuit units on the logic board are also separately arranged. Therefore, the intelligent television is provided with the independent circuit boards, the occupied space of the circuit boards in the television is large, the number of interfaces and wires is large, the material cost is high, and the assembly cost is high.

Therefore, the prior art is in need of improvement.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art, an object of the utility model is to provide a multimode integrated form intelligent television mainboard, aim at with each circuit module integration on a PCB board, with the integrated setting of each functional unit in the logic module in a logic manager simultaneously, save interface and wire rod, save the occupation space of circuit board in the TV set, reduce production and assembly cost simultaneously.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a multi-module integrated intelligent television main board comprises a PCB, wherein a power module, a backlight module, a main control module, a logic module, a remote control receiving module, a key module, an LED signal indication module, a WiFi module and an antenna module are integrated on the PCB;

the logic module comprises a time sequence controller and a logic manager connected with the time sequence controller, and the logic manager is integrated with a row driving unit, a column driving unit, a DC-DC conversion unit and a gamma correction unit;

the main control module is respectively connected with the power supply module, the backlight module, the remote control receiving module, the key module, the LED signal indication module, the WiFi module, the time schedule controller and the logic manager, and the antenna module is connected with the WiFi module;

the main control module outputs MiniLDVS data signals, time sequence signals and control signals, the MiniLDVS data signals are directly output to a liquid crystal panel of the intelligent television, the time sequence signals are output to the time sequence controller, the control signals are output to the logic manager, and the time sequence controller and the logic manager output signals to the liquid crystal panel.

The time sequence controller is connected with the row driving unit and the column driving unit, the DC-DC conversion unit is connected with the time sequence controller, the row driving unit, the column driving unit, the gamma correction unit and the liquid crystal panel of the intelligent television, the gamma correction unit is connected with the column driving unit, and the row driving unit, the column driving unit and the gamma correction unit are further connected with the liquid crystal panel of the intelligent television.

The main control module is provided with a main control chip, and the model of the main control chip is MT9255.

Wherein the chip model of the logic manager is IML8942.

The chip model of the time schedule controller is ANX7203.

Wherein, the WiFi module is provided with the WiFi chip, the model of WiFi chip is ATBM6032.

The backlight module is provided with a backlight driving chip, and the model of the backlight driving chip is OB3353A.

It is understood that within the scope of the present invention, the technical features of the invention described above and those described in detail in the following (for example, in the embodiments) can be combined with each other to form new or preferred technical solutions, which are not described herein in any more detail.

The utility model discloses a multi-module integrated form intelligent TV mainboard, through with power module, backlight module, host system, logic module, remote control receiving module, the button module, LED signal indication module, the integrated mainboard that constitutes intelligent TV on a PCB board of totally nine modules of wiFi module and antenna module, simultaneously with the line drive unit, the drive unit is listed as, DC-DC transform unit, gamma correction unit is integrated in logic manager, the wire rod and the interface of traditional TV mainboard have been saved like this, a plurality of PCBs have been avoided taking a plurality of spaces in the TV, the manufacturing cost and the manual assembly cost of intelligent TV mainboard have been reduced simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic circuit diagram of an electronic cigarette applied to a multi-module integrated smart tv motherboard according to the present invention;

FIG. 2 is a schematic diagram of the connection of the units in the logic manager of the present invention;

fig. 3 is a schematic diagram of the main control chip of the present invention;

FIG. 4 is a schematic diagram of a logic manager chip according to the present invention;

fig. 5 is a schematic circuit connection diagram of the chip of the timing controller according to the present invention;

fig. 6 is a schematic circuit diagram of the WiFi module of the present invention;

description of reference numerals:

100-mainboard, 10-power module, 20-backlight module, 30-main control module, 31-main control chip, 40-logic module, 41-time schedule controller, 42-logic manager, 421-row driving unit, 422-column driving unit, 423-DC-DC conversion unit, 424-gamma correction unit, 50-remote control receiving module, 60-key module, 70-LED signal indication module, 80-WiFi module, 81-WiFi chip, 90-antenna module and 200-liquid crystal panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection or a removable connection, or may be integral therewith; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Referring to fig. 1 and fig. 2, the present invention provides a multi-module integrated smart tv motherboard 100,

the remote control system comprises a PCB board, wherein a power module 10, a backlight module 20, a main control module 30, a logic module 40, a remote control receiving module 50, a key module 60, an LED signal indication module 70, a WiFi module 80 and an antenna module 90 are integrated on the PCB board.

The utility model discloses logic module 40 of intelligent television mainboard 100 include time schedule controller 41 and with logic manager 42 that time schedule controller 41 connects, logic manager 42 is integrated with row drive unit 421, row drive unit 422, DC-DC transform unit 423, gamma correction unit 424. The main control module 30 is respectively connected to the power module 10, the backlight module 20, the remote control receiving module 50, the key module 60, the LED signal indication module 70, the WiFi module 80, the timing controller 41 and the logic manager 42, and the antenna module 90 is connected to the WiFi module 80.

The utility model discloses power module 10 of mainboard 100 turns into the direct current voltage that needs with external alternating current, then for host system 30 on the PCB board, the power supply of backlight module 20, is the liquid crystal display panel 100 power supply of smart television simultaneously.

The backlight module 20: the backlight module 20 is connected by a plurality of LEDs (light emitting diodes) in a series-parallel connection manner, the LEDs are powered by a constant current, and the backlight module 20 provides backlight for the liquid crystal panel of the smart television.

The main control module 30: the main control module is the core of the whole television control, and is provided with a main control chip 31 for reading and writing data, receiving various audio and video signals, decoding the audio and video signals into digital signals, transmitting the digital signals to a screen for display, outputting sound signals to a loudspeaker for playing, and controlling other modules on the mainboard by the main control module 30, for example, the main control module is responsible for processing key signals of the key module 60 and responding signals of the remote control receiving module 50; the control power module 10 is switched on or off, the backlight module 20 is directly or indirectly controlled, the WiFi module 80 is received, and the logic module 40 is controlled to work normally.

The main control chip 31 is provided with an intelligent television operating system, if the most common intelligent system at present is an android intelligent system, the intelligent operating system is connected with WiFi to enjoy various video resources on the network.

The logic module 40: the logic module 40 is used for driving the liquid crystal panel 200 of the smart television. The logic module 40 consists of five parts: a timing controller 41, a row driving unit 421 (gate driving circuit), a column driving unit 422 (source driving circuit), a DC-DC converting unit 423, and a gamma correcting unit 424.

In the prior art, these five parts are separately arranged, and the present invention integrates the row driving unit 421, the column driving unit 422, the DC-DC conversion unit 423, and the gamma correction unit 424 on the logic manager 42, so as to reduce the occupied space of the whole logic module 40 on the PCB board.

The row driving unit 421 and the column driving unit 422 provide pixel driving signals in row units and column units for the liquid crystal panel 200, and the row and column pixel driving signals control the MOSFET in the liquid crystal panel 200 to operate to control the twist degree of the liquid crystal molecules, so as to drive the liquid crystal panel to display images.

The gamma correction unit 424 (gray-scale voltage generation circuit) performs a predistortion process on a pixel signal variation.

The DC-DC conversion unit 423 is a special switching power supply circuit, which converts the unregulated power voltage into a power supply meeting requirements, such as providing a supply Voltage (VDD) for each part of the logic module 40, providing a reference Voltage (VDA) for the gamma correction unit 424, and providing a pulse voltage (VGH, VGL) for the row driving unit 421.

Remote control receiving module 50: the infrared control signal of the remote controller is received, different channels and various function application options are selected for a user, and meanwhile, the infrared signal can be emitted outwards.

The key module 60: the functions of starting and closing keys are provided for users, and simultaneously, the users can select a plurality of functional applications in various menus.

LED signal indication module 70: the device provides the functions of starting and standby indication for the user, and simultaneously provides the functions of prompting for the user by selecting a remote controller and keys.

WiFi module 80 and antenna module 90: built-in the utility model discloses an on mainboard 100, receive the wireless signal of internet through antenna module 90 to convert to network data through wiFi module 80 and send to host system 30 after and handle. The utility model discloses an antenna module 90 on mainboard 100 walks the line through the bow style of calligraphy that sets up the antenna to set for the parcel ground and handle and keep away the empty region, impedance match, the characteristic of strict simulation antenna transmission and receipt satisfies the index of signal throughput and sensitivity.

The utility model discloses smart television mainboard 100 master control module 30 outputs miniLDVS data signal, time sequence signal and control signal, miniLDVS data signal directly exports liquid crystal display panel 200 to smart television, time sequence signal exports to time sequence controller 41, control signal exports extremely logic manager 42, time sequence controller 41 and logic manager 42 output signal extremely liquid crystal display panel 200.

Traditional smart television mainboard output LDVS signal, LDVS signal need can obtain the signal that liquid crystal display panel can discern after the logic module conversion, and the utility model discloses a main control module 30 direct output liquid crystal display panel 200 can discern MiniLDVS data signal, can reduce the power loss of circuit like this, has reduced the complexity and the number of piles of logic module 40 wiring, can reduce EMI (electromagnetic interference) simultaneously.

The timing signals output by the main control module 30 pass through the timing controller 41 and then drive the row driving unit 421 and the column driving unit 422 in the logic manager 42, and the control signals output by the main control module 30 control the logic manager 42 through enabling and the like.

The utility model discloses an intelligent TV mainboard 100 constitutes intelligent TV's mainboard 100 with a plurality of circuit module integrations on a PCB board, simultaneously in logic module 40, with line drive unit 421, row drive unit 422, DC-DC transform unit 423, gamma correction unit 424 integration in logic manager 42, for traditional intelligent TV mainboard, the utility model discloses a dual integration has been done to TV mainboard 100, and firstly integrate each circuit module in a PCB board promptly, secondly also do each unit in logic module 40 and integrate, has saved a large amount of wires and the interface of traditional TV mainboard like this, has avoided a plurality of PCB boards to occupy a plurality of spaces in the TV set, has saved the manufacturing cost and the manual assembly cost of intelligent TV mainboard simultaneously.

Specifically, as shown in fig. 2, the timing controller 41 of the present invention is connected to the row driving unit 421 and the column driving unit 422, the DC-DC conversion unit 423 is connected to the timing controller 41, the row driving unit 421, the column driving unit 422, the gamma correction unit 424 and the liquid crystal panel 200 of the smart tv, the gamma correction unit 424 is connected to the column driving unit 422, and the row driving unit 421, the column driving unit 422, the gamma correction unit 424 are further connected to the liquid crystal panel 200 of the smart tv.

The timing controller 41 provides timing control for the row driving unit 421 and the column driving unit 422, and also provides timing signals for the liquid crystal panel 200. The DC-DC conversion unit 423 supplies voltages to the timing controller 41, the row driving unit 421, the column driving unit 422, the gamma correction unit 424, and the liquid crystal panel 200.

As shown in fig. 3, the main control module 30 is provided with a main control chip 31, and the model of the main control chip 31 is MT9255.

The utility model discloses a main control chip 31 adopts MTK9255, and MTK9255 embeds 1GB DDR and 8GB EMMC communication protocol and has a large amount of information to carry out middle storage after accomplishing, and these data all probably are called at any time, and the DDR is the transfer warehouse of these information, and the main chip of decoding passes through the address line, and data line and some control signal line and DDR establish the communication, carry out reading out and writing in of data. The SOC is responsible for processing the key module signal and responding the remote controller signal; the power supply module switch is controlled to directly or indirectly control the backlight module; the system receives various video and audio signals, and integrates high-performance CPU GPU DDR channel decoding, MPEG decoding and 3D formatting programs based on an ARM system, and converts the signals into digital signals by a high-performance AV codec and transmits the digital signals to a screen for display, and sound signals are output to a loudspeaker.

As shown in fig. 4, the chip model of the logic manager 42 of the present invention is IML8942. The IML8942 integrates a row driving unit 421, a column driving unit 422, a DC-DC converting unit 423, and a gamma correcting unit 424. Namely, the utility model discloses an IML8942 chip accomplishes 4 independent circuit units in the traditional logic module: the functions of the row driving unit, the column driving unit, the DC-DC conversion unit and the gamma correction unit.

As shown in fig. 5, the chip model of the timing controller 41 of the present invention is ANX7203. The ANX7203 provides the logic manager 42 and the liquid crystal panel 200 with respective required signals.

As shown in fig. 6, the WiFi module 80 of the present invention is provided with a WiFi chip 81, the model of the WiFi chip 81 is ATBM6032. The ATBM6032 chip can still keep relatively stable throughput rate under the environment of complex signal interference, so that video image transmission is not blocked, and the use experience of the smart television is improved.

Preferably, the backlight module 20 of the present invention is provided with a backlight driving chip, and the model of the backlight driving chip is OB3353A. The OB3353A chip provides a constant current driving power supply for the LED lamp in the backlight module 20 to ensure the stability of the backlight power supply.

The embodiment of the utility model provides a multi-module integrated form intelligent TV mainboard 100, through with power module 10, backlight module 20, host system 30, logic module 40, remote control receiving module 50, button module 60, LED signal indication module 70, nine module integrations altogether of wiFi module 80 and antenna module 90 constitute intelligent TV's mainboard on a PCB board, simultaneously with line drive unit 421, row drive unit 422, DC-DC transform unit 423, gamma correction unit 424 is integrated in logic manager 42, the wire rod and the interface of traditional TV mainboard have been saved like this, a plurality of PCBs occupy a plurality of spaces in the TV have been avoided, the manufacturing cost and the manual assembly cost of intelligent TV mainboard have been reduced simultaneously, increase product competitiveness.

The above-mentioned only for clearly explaining the examples made by the utility model, not therefore limiting the patent scope of the utility model, can't exhaust all embodiments here, all under the inventive concept, utilize the equivalent structure transform that the content among the technical scheme of the utility model was made, or direct/indirect application is all included in other relevant technical fields the utility model discloses a patent protection within range.

Claims

1. A multi-module integrated intelligent television main board comprises a PCB board and is characterized in that a power module, a backlight module, a main control module, a logic module, a remote control receiving module, a key module, an LED signal indication module, a WiFi module and an antenna module are integrated on the PCB board;

the main control module outputs MiniLDVS data signals, timing signals and control signals, the MiniLDVS data signals are directly output to a liquid crystal panel of the intelligent television, the timing signals are output to the timing controller, the control signals are output to the logic manager, and the timing controller and the logic manager output signals to the liquid crystal panel.

2. The main board of claim 1, wherein the timing controller is connected to the row driving unit and the column driving unit, the DC-DC conversion unit is connected to the timing controller, the row driving unit, the column driving unit, the gamma correction unit and the liquid crystal panel of the smart tv, the gamma correction unit is connected to the column driving unit, and the row driving unit, the column driving unit and the gamma correction unit are further connected to the liquid crystal panel of the smart tv.

3. The multi-module integrated smart tv motherboard of claim 1, wherein the master control module is provided with a master control chip, the master control chip being MT9255 in model number.

4. The multi-module integrated smart tv motherboard of claim 1, wherein the chip model of the logic manager is IML8942.

5. The multi-module integrated smart tv motherboard of claim 2, wherein the chip model of the timing controller is ANX7203.

6. The main board of claim 1, wherein the WiFi module is provided with a WiFi chip of ATBM6032.

7. The main board of the multi-module integrated smart tv set as claimed in claim 1, wherein the backlight module is provided with a backlight driving chip, and the model of the backlight driving chip is OB3353A.