WO2007045143A1

WO2007045143A1 - Plat panel tv set with optional function expansion

Info

Publication number: WO2007045143A1
Application number: PCT/CN2006/002115
Authority: WO
Inventors: Jianrong Lai
Original assignee: Nanjing Wanlida Technology Co., Ltd.
Priority date: 2005-10-18
Filing date: 2006-08-21
Publication date: 2007-04-26
Also published as: CN1953517A; CN100490511C

Abstract

A plat panel TV set with expansion function means includes preset control circuits and program of multi-function module, and a general bus. There are spaces reversed for installing function modules in the TV set. In these spaces, several sockets connected with the said bus are arranged, and the size and the terminal-definition of the sockets are uniform. By installing the function modules provided by manufactures in these spaces and connecting these function modules with the general bus through one of the said socket, the television set with function expansion is achieved. The invention realizes the purpose of expanding the function of the TV set quickly according to the requirement of the users.

Description

Flat-panel TV with optional expansion

Technical field

The present invention relates to a flat panel type television set, and more particularly to a liquid crystal display panel television set with an additional function expansion device, a plasma display panel television set or an LED array display panel television set. Background technique

The existing flat-panel TV sets, whether it is a liquid crystal display panel television, a plasma display panel television or an LED array display panel television, require an additional DVD disc playback function or HDD hard disk recording function or include a CF/SD/MS card, etc. When the read/write function of the personal media medium of various memories or the wireless audio/video receiving function or the DVB-T (ATSC) digital television receiving function or the network communication function is extended, a popular structural form is directly in the The flat-panel TV is equipped with a video input/output socket and an audio input socket for users to connect themselves to a DVD disc player or HDD hard disk recorder or wireless audio/video receiver or DVB-T (ATSC) digital TV receiver. The video output port and audio output port of the stand-alone function device. The drawback of this type of construction is that the integrity is poor, and some users do not know how to connect the independent functional devices that he/she needs. Another form of structure is that a DVD optical disc player or an HDD hard disk recorder or a personal media medium including a CF/SD/MS card, such as a CF/SD/MS card, is directly mounted inside the casing of the flat-panel television set or wirelessly. Audio and video receiver or DVB-T (ATSC) digital television receiver. Therefore, with the additional functions, manufacturers need to design and manufacture a variety of different types of circuit boards and back covers for flat-panel TVs of the same shape. In this way, it is necessary for the manufacturer to increase the complexity of the various types of circuit boards and back cover processing of the same type of TV set, the production assembly and inventory management of various varieties, and directly affect the production cost; for the sales department, it is necessary to increase the flat panel type TV of the same shape. The stock of each type of machine and the funds used, and increased sales risk. Summary of the invention

The invention aims to provide a flat-panel type television set with optional extension function, which is quickly installed to the casing of the flat-panel television set by the sales department according to the consumer's personalized use requirements and selecting the corresponding additional function expansion device provided by the manufacturer. In order to meet the needs of consumers for additional features.

The technical solution of the present invention is: a flat type television set with an extended function, the flat type television set Control circuit with several functions modules of DVD disc playing function module, network communication function module, personal media read/write function module, HDD hard disk recording function module, wireless audio and video receiving function module, DVB-T digital television receiving function module And a program, a universal bus is connected to the video input and output circuit of the tablet type television, the audio input/output circuit, the function module control circuit, and the power output circuit; the flat type television set has a reserved one in the housing The space of the function module, and at least two common interface sockets having the same specifications and terminal definitions connected to the above-mentioned universal bus are provided in the space; each of the foregoing functional modules is provided with a video input/output port connected to itself, and an audio input/ a plug of an output port, a control input/output port, a power input port, and a universal interface socket; at least one of the plurality of functional modules selected is fixed in the space and has a plug Plug in any of the above-mentioned universal interface sockets. Opening the back cover of the tablet type television can conveniently install the selected one or more function modules in the reserved space, and plug the plug of one function module into any one of the universal interface sockets in the space In the above, the function module is connected to the video input and output circuit, the audio input/output circuit, the function module control circuit and the power output circuit of the flat-type television through the universal bus, so that the flat-type television is realized. This kind of extended functionality. After completing the plugging of all the required function modules, the back cover of the flat-panel type TV is covered, and the user can be submitted for use, which is very fast and convenient.

In order to make the flat-type television set have good integrity: the space is located on one side of the rear-side housing of the flat-panel type television and the flat-type television back cover is provided with a cover covering the space; The flat-panel television rear housing abuts the window of the space where the side wall preset functional module is associated with the external medium and the functional module is placed in the housing adjacent to the window. The space is disposed on one side of the rear casing of the flat type television set and a cover plate covering the space is provided, one is a function module required for installation, and the other is to reduce installation work on the flat type television set. Part of the impact. The side wall preset window of the back panel of the flat-panel type television allows the function module to be connected to an external medium after being placed, for example, inserting/removing a disc on a DVD disc play function module, and plugging in a light/cable on a network communication function module, Insert/remove personal media media on the personal media read/write function module.

In particular: The various functional modules described have the same mounting and mounting dimensions. The mounting positions of the various functional modules in the above space are not limited and can be interchanged at will.

The personal media read/write module is a read/write module of one or several personal media media in a CF memory, an SD memory, an MS memory card. The video input/output terminal of the universal bus includes one or more of a composite video signal, a Y/C S-VIDEO video signal, a YUV or an RGB video component signal.

The video input/output terminal of the universal bus also includes a digital video input/output signal terminal. The audio input/output terminal of the universal bus includes an audio input/output signal terminal of an analog audio signal and a digital audio signal or an audio input/output signal terminal of one of the signals.

The control signal of the universal bus includes a control signal sent by the tablet type television to the corresponding function module after demodulating the infrared remote control signal, and a control signal sent by the tablet type television to the corresponding function module according to the button operation.

The power output of the universal bus includes one DC voltage or multiple DC voltages of different voltage values. The invention can select a flat-type television with extended functions, and adopts a control circuit and a program of a plurality of function modules preset by the flat-type television, and a video input/output circuit and an audio input/output circuit connected to the flat-type television. a function module control circuit, a universal bus of the power output circuit, and a plurality of universal interface sockets connected to the universal bus and having the same specifications and terminal definitions, and the selected function modules are fixed in a space reserved in the flat type television housing. And the plug is plugged into any one of the above-mentioned universal interface sockets, so that the function of the tablet type television can be quickly expanded by the seller according to the needs of the consumer. For flat-panel TVs of the same shape, manufacturers only need to design and manufacture a circuit board and back cover, and provide a variety of standardized modules with additional functions to meet the needs of various consumers. Demand. These function modules can also be used in flat-panel TVs of other shapes. As a result, manufacturers can greatly reduce the design and processing of circuit boards and back covers for TVs of the same form, simplify production assembly and inventory management, thereby effectively reducing production costs; and vendors can reduce flat-panel TVs of the same form factor. The amount of inventory and capital used to reduce sales risk, while the combination of additional features is flexible, easy for consumers to choose, and can also promote sales. Especially for this type of flat-panel TV set, since the function module control circuit is mainly based on changing the software control function of the microprocessor, it is very convenient to develop new functions, and the time from completion to launch is short. , the cost is small. DRAWINGS

FIG. 1 is a schematic exploded view of a first embodiment of a flat-panel television set with a disc insertion direction according to the present invention. FIG. 2 is a schematic exploded view showing a second embodiment of a flat-panel television set with a disc insertion direction according to the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention can select the structure of an embodiment of a flat-panel television set in the direction in which the disc is inserted, as shown in FIG. The display screen of the flat type television set is located on the front end face of the front case 1, and the display screen employs a liquid crystal display panel. Of course, in other embodiments, the display screen may employ a plasma display panel or an LED array display panel. The rear case 2 is fixedly mounted on the rear side of the front case 1 to cover the circuit board 3. In addition to the circuit composed of components of the conventional liquid crystal television, the circuit board 3 also has a DVD disc playing function module, a network communication function module, a personal media read/write function module, an HDD hard disk recording function module, and a wireless audio/video receiving system. Function modules, control circuits and programs for functional modules such as DVB-T (ATSC) digital TV receiver function modules, and a universal bus. The universal bus connects the video input/output circuit, the audio input/output circuit, the function module control circuit, and the power output circuit of the LCD TV circuit board 3. Viewed from the rear, the right side of the rear housing 2 has an open portion 4 which is a reserved space for a plurality of functional modules. The circuit board 3 exposed in the open portion 4 is provided with three general-purpose interface sockets 5 which are connected to the above-mentioned universal bus and have the same terminal definition. A pair of guide rails 6 are respectively mounted on the upper portion, the right side portion and the lower portion of the circuit board 3 exposed in the open portion 4, and the pair of guide rails 6 have the same size, and the insertion ends are respectively directed toward the adjacent side walls of the rear housing 2; On the plate 3, a pair of screw holes are provided on both sides of the insertion end of each pair of guide rails 6. A pair of insertion holes 21 are defined in the side wall of the rear casing 2 adjacent to the open portion 4, and the circuit board 3 is adjacent to the three outer walls of the outer periphery of the open portion 4 of the rear casing 2, respectively, and three pairs of insertion holes 31 are provided. A cover plate 8 is snapped into the open portion 4 of the rear casing 2 to completely cover the open portion 4.

The cover plate 8 has a serpentine shape, and the bottom surface of the crucible is the rear end surface of the cover plate 8, and the open side of the crucible abuts the side wall of the open portion 4 toward the rear casing 2. Each of the three side end faces of the cover 8 is provided with a window 81, and each of the windows 81 is provided with a flap door to prevent dust. A pair of pins 82 are provided at the left edge of the rear end surface of the cover 8. The pair of pins 82 can be inserted into the pair of receptacles 21 of the rear housing 2 that abut the side walls of the open portion 4. The upper and lower side end edges of the cover plate 8 are respectively provided with a pair of pins 83 on each side of each window 81, and each pair of pins 83 corresponds to a pair of upper and lower pairs of the insertion holes 31 of the circuit board 3; The edge is provided with a pair of latching legs 84 on each side of each window 81. The pair of latching legs 84 correspond to the pair of jacks 31 on the right side of the circuit board 3. The cover plate 8 is opposed to the open portion 4 of the rear case 2, and the pin 82 is first inserted into the pair of insertion holes 21 on the rear case 2, and the cover plate 8 is The pair of pins 83 and the pair of legs 83 are aligned with the three pairs of jacks 31 on the circuit board 3, and the cover 8 is pressed forward. The two pairs of pins 83 of the cover 8 and the pair of legs 83 are correspondingly inserted or snapped together. Among the three pairs of jacks 31 on the circuit board 3, the cover 8 closes the open portion 4 of the rear case 2. When the cover 8 needs to be opened, the right end surface of the cover 8 is pressed, the cover 8 is pulled back, the two pairs of pins 83 of the cover 8 and the pair of legs 83 are ejected from the three pairs of jacks 31 on the circuit board 3, and then The pin 82 is removed from the pair of jacks 21 on the rear case 2, and the cover 8 is removed.

The universal bus of the liquid crystal television of the present embodiment has a standard property, and the enterprise standard can be established before the industry standard is established. The video input/output terminal of such a universal bus includes one or more of a composite video signal, a Y/C S-VIDE0 video signal, a YUV or RGB video component signal, or a digital video input / Output signal terminal. The audio input/output terminals of the universal bus contain audio input/output signal terminals for analog audio signals and digital audio signals or audio input/output signal terminals for one of the signals. The control signal of the universal bus includes a control signal sent by the liquid crystal television to the corresponding function module after demodulating the infrared remote control signal, and a control signal sent by the liquid crystal television to the corresponding function module according to the button operation. The power output of the universal bus contains one DC voltage or multiple DC voltages with different voltage values and power standby control signals.

In the factory, the liquid crystal television set of the embodiment is equipped with a DVD disc playing function module, a network communication function module, a personal media read/write function module, an HDD hard disk recording function module, a wireless audio and video receiving function module, and a DVB-T ( ATSC) Digital TV receiving function modules and other functional modules have the same mounting method and installation size. Each function module is equipped with a plug that connects to its own video input / output port, audio input and output port, control input and output port, power input port and mates with the universal interface socket 5 on the board 3. Therefore, the mounting positions of the circuit boards 3 in the open portions 4 of the rear case 2 of the various functional modules are not limited and can be interchanged arbitrarily.

The manufacturer supplies the liquid crystal television set of the present embodiment and the aforementioned various functional modules to the seller. When the consumer purchases the liquid crystal television set of the embodiment, if additional functions are required, the salesperson can open the cover 8 of the liquid crystal television set of the embodiment in the field, and select one or more functional modules to be installed in the rear case. In the open portion 4 of the body 2, the guide plate 6 of any one of the use positions on the circuit board 3 that the consumer is accustomed to; the salesperson plugs the plug of a functional module into the open circuit portion 3 of the rear case 2 a universal interface socket 5 completes the connection of the function module to the video input circuit of the liquid crystal television, the audio input circuit, the function module control circuit, and the power output circuit through the universal bus. LCD TVs have achieved this kind of expansion. After plugging in all the required function modules After that, cover the cover 8 of the LCD TV. It takes only a few minutes before and after, and can be submitted to consumers for use, very fast and convenient.

Taking the DVD disc playing function module 9 in FIG. 1 as an example: the video output port, the audio output port, the control input/output port, and the power input port of the DVD disc playing function module 9 are connected to the circuit board 3 through the cable 91 drawn from the rear end surface. The universal interface socket 5 is mated with a plug 92. The two wings of the front lower end of the DVD disc playing function module 9 each extend a lug 93, and each of the lugs 93 has a through hole, and the two through holes and the screw on both sides of any pair of the guide rails 6 on the circuit board 3 The holes correspond. The DVD disc playback function module 9 has a guide groove 94 on each of its sides, and the two guide grooves 94 correspond to any pair of guide rails 6 on the circuit board 3. The two guiding slots 94 of the DVD disc playing function module 9 are clamped between any pair of guide rails 6 on the circuit board 3, and then screwed through the through holes on the lugs 93 of the DVD disc playing function module 9, and locked in corresponding In the screw hole. The DVD disc playback function module 9 can be fixed to a certain position on the board 3. The plug 92 of the DVD disc playing function module 9 is plugged and fixed on any universal interface socket 5 on the circuit board 3. The DVD disc playing function module 9 can be controlled by the corresponding control circuit and program on the circuit board 3, and the television. The other parts of the machine work together to play the audio and video information provided by the DVD.

The consumer opens the cover 8 corresponding to the flap of the window 81 on the side end surface of the DVD disc playback function module 9, and the disc can be inserted or removed on the DVD disc playback function module 9.

Take the HDD hard disk recording function module as an example: The HDD hard disk recording function module has the same shape and installation size as the DVD disc playback function module 9. The video input port, audio input port, control input/output port, and power input port of the HDD hard disk recording function module are connected with the cable through the rear end face and the common interface socket 5 on the circuit diagram 3. The two wings of the front lower end of the HDD hard disk recording function module each extend a lug having a through hole, and the through hole on the lug corresponds to the screw hole on both sides of any pair of guide rails 6' on the circuit board 3. The HDD hard disk recording function module has a guide groove on each of the two sides, and the two guide grooves correspond to any pair of guide rails 6 on the circuit board 3. The two channels of the HDD hard disk recording function module are stuck between any pair of guide rails 6 on the circuit board 3, and then the screws are passed through the through holes in the lugs of the HDD hard disk recording function module, and locked in the corresponding screw holes. . The HDD hard disk recording function module can be fixed to a certain position on the circuit board 3. The plug of the HDD hard disk recording function module is plugged and fixed on any universal interface socket 5 on the circuit board 3. The HDD hard disk recording function module can record the television program under the control of the corresponding control circuit and program on the circuit board 3. Video information.

If the liquid crystal television set of this embodiment is also equipped with a network communication function module and personal media read/write The function module, the consumer opens the cover door of the window 81 on the side end surface of the corresponding network communication function module on the cover 8 to insert the light/cable on the network communication function module, and open the corresponding personal media read/write on the cover 8 The personal media medium can be inserted or removed on the personal media read/write function module by flipping the window 81 on the side end face of the functional module. The personal media read/write module referred to herein is a read/write module of one or several personal media media including personal media such as CF memory, SD memory, MS memory card.

As shown in FIG. 2, the structure of another embodiment of the flat-panel type television set with the disc insertion direction of the present invention is different from that of the first embodiment: the left side of the rear housing 2 is viewed from the rear. There is an open portion 4, which is provided with a space for the function module to be placed on the upper and lower sides, and a pair of guide rails 6; the corresponding universal interface socket 5 is disposed on the right side of the convex portion of the rear casing 2; the functional module 9 There are two guide grooves 94 on both sides, and the function module 9 can be directly inserted into the guide rail 6. The two plugs 11 of the data bus assembly 10 are respectively inserted into the function module 9 and the circuit board 3 universal interface socket 5, and the screws 12 is fixed in the screw hole 7. An open portion 4' is also provided on the right side of the rear housing 2, and a plurality of terminals 41 are provided on the left side of the open portion 4'.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and equivalent changes and modifications made in accordance with the technical solutions and the contents of the specification of the present invention are all within the scope of the present invention. Industrial applicability

The invention can select a flat-type television with extended functions, and creatively design a plurality of additional functions to facilitate the connection of the function expansion module of the TV main body, realize independent selection of multiple functions, and self-matching, and flexibly put various additional function sets. In one machine, it has good industrial applicability.

Claims

1. A flat-panel TV with optional expansion function, characterized in that the flat-panel television has a DVD disc playing module, a network communication module, a personal media read/write module, an HDD hard disk recording module, a wireless audio and video receiving module, and DVB. - control circuit and program of several functional modules in the T digital television receiving module;

A universal bus is connected to the video input circuit of the tablet type television, the audio input and output circuit, the function module control circuit, and the power output circuit;

The space of the flat-type television set is reserved for a plurality of functional modules, and at least two universal interface sockets having the same specifications and terminal definitions as the universal bus are provided in the space;

Each of the foregoing functional modules is provided with a plug that connects to its own video input virtual port, audio input and output port, control input port, power input port and cooperates with the above-mentioned universal interface socket;

At least one of the selected plurality of functional modules is mounted in the space and the plug is plugged into any of the above-mentioned universal interface sockets.

2 . The flat-panel television set with optional extended function according to claim 1 , wherein: the module housing space is located on one side of the flat-type television housing, and the flat-type television rear housing is provided. There is a cover that covers the space; the flat type television housing abuts the window of the space where the side wall preset functional module is associated with the external medium and the functional module is placed in the housing adjacent to the window.

3. The flat-panel television set with optional extension function according to claim 2, wherein: the various functional modules have the same mounting manner and installation size.

The tablet type television set with optional extended function according to claim 1 or 2 or 3, wherein: the personal media read/write module is a CF memory, an SD memory, and an MS memory card. A read/write module of one or more personal media media.

The flat-panel television set with optional extension function according to claim 1 or 2 or 3, wherein: the video input/output terminal of the universal bus comprises a composite video signal, a Y/C S-VIDE0 video signal One or more of the video input/output signal terminals of the YUV or RGB video component signals.

6. The tablet type television set with optional extension function according to claim 5, wherein: The video input/output terminal of the universal bus also includes a digital video input/output signal terminal.

7. The flat-panel television set according to claim 1 or 2 or 3, wherein: the audio input/output terminal of the universal bus includes an audio input/output of an analog audio signal and a digital audio signal. Signal terminal or audio input/output signal terminal of one of the signals.

The tablet type television set according to claim 1 or 2 or 3, wherein the control signal of the universal bus comprises the flat panel type television set demodulating and responding to the infrared remote control signal The control signal sent by the function module and the control signal sent by the tablet type television to the corresponding function module according to the button operation.

9. A flat panel television set according to claim 1 or 2 or 3, wherein the power supply output of said universal bus comprises a direct current voltage or a plurality of direct current voltages of different voltage values.

The flat-type television set with optional extended function according to claim 1 or 2, wherein: one side of the rear casing reserves two spaces for arranging functional modules, and the openings thereof are upward and upward respectively On the outside, a plurality of terminals are provided on the other side of the rear case.

The flat-type television set with optional extended functions according to claim 1 or 2, wherein one side of the rear casing is reserved with three spaces for arranging functional modules, and the openings are upward and upward respectively. Lower and outward.