CN2745174Y

CN2745174Y - Multifunctional optical disk test player

Info

Publication number: CN2745174Y
Application number: CN 200420081485
Authority: CN
Inventors: 付小军; 李昆明; 王耀灿
Original assignee: SHANGHAI WABLE COMMERCIAL EQUIPMENT TECHNOLOGY Co Ltd
Current assignee: SHANGHAI WABLE COMMERCIAL EQUIPMENT TECHNOLOGY Co Ltd
Priority date: 2004-08-06
Filing date: 2004-08-06
Publication date: 2005-12-07
Anticipated expiration: 2014-08-06

Abstract

The utility model relates to a multifunctional digital optical disk test player which has the advantages of simple realizing way, small space occupation of the whole machine, low price, simple operator schema, etc. The multifunctional digital optical disk test player comprises a machine core of an optical disk player, a remote control signal emitter of the optical disk player, a liquid crystal display, a power amplifier, an audio signal output device, a control unit, a plurality of external control input keys, a signal converter, and an electronic switching group, wherein the video input port of the liquid crystal display is connected with the video output port of the machine core; the input end of the power amplifier is connected with the audio output port of the machine core; the audio signal output device is connected with the output end of the power amplifier; the control unit comprises a microcontroller which produces data signals at a data output port according to the combination of high and low power levels of input signals at control ports; each external control input key is connected with one control port of the microcontroller; the input side of the signal converter is connected with the data output port of the microcontroller; the input end of the electronic switching group and the output end of the electronic switching group are respectively connected with the output side of the signal converter and the remote control signal emitter.

Description

A kind of multifunctional optical disk test player

Technical field

The utility model relates to video playback apparatus, particularly a kind of optical disk test player that collects functions such as broadcast and demonstration.

Background technology

Along with the continuous development of digital image compression technology, standard techniques such as DVD and VCD have become the video playback technology of current main flow.Correspondingly, DVD is all recorded into or the VCD CD is sold in various rich and colourful items source on market.The consumer chooses CD for convenience, in many shops examination is installed all and puts equipment, and the consumer can be put the content segments of playing CD on the equipment in examination, and whether decision is bought then.Existing examination is put the general direct employing family expenses DVD of equipment or VCD player as broadcast unit, and adopt televisor as video display unit, the signal port of the two links together by signal cable, so device structure is compact inadequately, and cost does not have reduction leeway yet.In addition,, therefore can't realize the function that some are specific, play special welcome words when for example starting shooting, jump into automatically to play CD content segment etc. owing to adopt the common family expenses DVD or the simple combination of VCD player and televisor.At last, the more function button of telepilot operated by rotary motion of DVD or VCD player or televisor, but most of irrelevant with the audition operation, so the panel layout of telepilot is short and sweet inadequately, this has also brought inconvenience for user's operation.

Summary of the invention

The purpose of this utility model provides a kind of multifunctional digital optic disk test player, and it has that implementation is simple, complete machine takes up room little, cheap and advantage such as operator scheme is succinct.

Above-mentioned purpose of the present utility model realizes by following technical proposal:

A kind of multifunctional optical disk test player comprises:

Disc player clock mechanism;

The CD player remote-control signal transmitter; LCD, its video inputs mouth is connected with the video-out port of described disc player clock mechanism; Power amplifier, its input end is connected with the audio output port of described disc player clock mechanism; Audio signal output device, it is connected with the output terminal of described power amplifier;

Control module, it comprises:

Microcontroller, it generates the data of different types signal according to being combined in of input signal high-low level on the control port on data-out port;

Some external control input buttons, each all links to each other with one of them control port of described microcontroller;

Signal converter, its input side is connected with the data-out port of described microcontroller, and the data of different types conversion of signals that described microcontroller is exported is a parallel signal;

Electronic switch set, its input end links to each other with described remote-control signal transmitter with the outgoing side of signal converter respectively with output terminal, and described parallel signal is converted to the switching signal that the control remote signal produces.Reasonablely be, in above-mentioned multifunctional optical disk test player, further comprise light activated switch, it links to each other with one of them control port of described microcontroller.

Be more preferably, in above-mentioned multifunctional optical disk test player, the control port that described microcontroller links to each other with described light activated switch is the external reset input port.

Reasonablely be, in above-mentioned multifunctional optical disk test player, described electronic switch set comprises gauge tap and relay group, wherein, the input end of described gauge tap is connected with the outgoing side of signal converter, and described relay group is connected between the output terminal and remote-control signal transmitter of described gauge tap.

Reasonablely be, in above-mentioned multifunctional optical disk test player, described microcontroller adopts integrated circuit (IC) chip 54LPC764, described signal converter adopts integrated circuit (IC) chip PCF8574, described power amplifier adopts integrated circuit (IC) chip TDA2822, and described gauge tap adopts integrated circuit (IC) chip CD4066.

Reasonablely be that in above-mentioned multifunctional optical disk test player, described audio signal output device is at least a in earphone, loudspeaker or the sound equipment.

Reasonablely be, in above-mentioned multifunctional optical disk test player, further comprise speech processing circuit, its input end links to each other with the data-out port of described microcontroller, and output terminal links to each other with audio signal output device.

In the utility model, control disc player clock mechanism owing to make full use of ready-made remote-control signal transmitter, therefore when design, need not to consider the ins and outs of movement, save design time and reduced design cost.On the other hand, can put the panel that needs are provided with external control input button neatly rather than directly continue to use telepilot, therefore simplify operator scheme according to examination.

Description of drawings

By below in conjunction with the description of accompanying drawing to the utility model preferred embodiment, can further understand the purpose of this utility model, feature and advantage, wherein:

Fig. 1 is the general principles block diagram of the utility model optical disk test player.

Fig. 2 is the circuit theory diagrams of control module among Fig. 1.

Embodiment

Fig. 1 is the general principles block diagram of the utility model optical disk test player.As shown in Figure 1, the multifunctional optical disk test player comprises disc player clock mechanism 11, CD player remote-control signal transmitter 12, LCD 13, power amplifier 14, audio signal output device 15 and control module 16.

Disc player clock mechanism 11 is core components of CD player such as DVD and VCD, is responsible for reading the data of recording on the CD and is converted into video and audio signal exporting display device and audio output device to.For the player of different brands,, on ins and outs, there are many differences though the movement general frame is similar.For simplified design, mentality of designing of the present utility model is to make full use of the operation that telepilot that various players are equipped with is controlled movement, that is to say, can control movement 11 indirectly, make it finish corresponding operation by the different operation command signal of control remote control transmitter 12 emissions.

Therefore as flat-panel display device, taking up room of LCD is less, adopts the liquid crystal mode to show in the utility model,, the video inputs mouth of LCD 13 is connected with the video-out port of disc player clock mechanism 11 for this reason.In order various mentioned components to be installed in compactly in the casing, can remove the parts such as shell of LCD here, the casing of only core sections such as auxiliary circuit of liquid crystal board and necessity being packed into.

The input end of power amplifier 14 is connected with the audio output port of disc player clock mechanism, is used for the audio stream signal being amplified and exporting audio signal output device 15 to, in the present embodiment, adopts integrated circuit (IC) chip TDA2822 as the power amplifier element.Audio signal output device 15 can be any in earphone, loudspeaker or the sound equipment.

Control module 16 is cores of the utility model optical disk test player, is responsible for coordinating and controlling broadcast, the demonstration of vision signal and the operations such as output control of sound signal of CD, and Fig. 2 shows the circuit theory diagrams of this unit.As shown in Figure 2, control module 16 mainly comprises microcontroller 21, light activated switch 22, external control input button 23, signal converter 24, electronic switch set 25 and speech processing circuit 26, and wherein speech processing circuit 26 is a selectable unit (SU).

Microcontroller 21 is core components of The whole control unit, and it generally is made up of the parts of program code stored firmware and executive routine code, in the present embodiment its to adopt model be that the integrated circuit (IC) chip of 54LPC764 realizes.In Fig. 2, port P1.1, P1.0, P0.6, P0.7, P0.0 and the P0.1 of chip are set to input pattern as control port, and outside input low level is effective.Port P0.1 is the external reset control port, and it is a low level active homing pin, and inner electrification reset is effective.Light activated switch 22 links to each other with this port, in the present embodiment, audio signal output device 15 is an earphone, it shelters from light activated switch 22 under non-working condition, thereby make light activated switch be in off-state, when earphone leaves original position, light activated switch 22 conductings, thereby on port P0.1, produce reset signal, make the 0 address beginning executive routine code of microcontroller 21 from firmware storage areas.Port P1.1, P1.0, P0.6, P0.7 are continuous with different external control input buttons 23 respectively, and input button 23 for example can be play button (Play), stop key (Stop), fast forward button and rewind down key etc.In the present embodiment, because player can DVD playing back and two kinds of CDs of VCD, therefore also provide the D/V switch key, it links to each other with port P0.0.

When above-mentioned control port was imported various signal, microcontroller 21 was according to the corresponding data-signal of combination results of signal high-low level on the port and export on data-out port P1.3, P1.5, P1.6, P1.7, P2.0, P2.1, P0.2, P0.3.

Port P1.3, P1.5, P1.6, P1.7, P2.0, P2.16 are connected to speech processing circuit 26, are used to provide control signal.Speech processing circuit 26 produces corresponding speech signal and delivers to audio signal output device 15 under the control of control signal.Every kind of data-signal combination of the last output of port P0.2, P0.3 is corresponding with a kind of operation of movement 11, and this signal combination is sent to signal converter 24, is converted to parallel signal by this signal converter 24.In the present embodiment, adopt integrated circuit (IC) chip PCF8574 as signal converter 24, its data-signal combination with the last output of port P0.2, P0.3 is converted to parallel signal and exports on I/O port P0～P7.

The input end of electronic switch set 25 is connected with remote-control signal transmitter 12 with the I/O output port of signal converter 24 respectively with output terminal, it is converted to parallel signal the switching signal that the control remote signal produces and offers remote-control signal transmitter 12, and remote-control signal transmitter 12 under the control of this switching signal to movement 11 firing operation command signals.In the present embodiment, electronic switch set 25 comprises gauge tap 25a and relay group 25b, wherein, gauge tap 25a can adopt integrated circuit (IC) chip CD4066 to realize, its input end is connected with the I/O output port of signal converter 24, relay group 25b is connected between the output terminal and remote-control signal transmitter 12 of gauge tap 25a, difference according to the parallel signal of importing gauge tap 25a, closed or the disconnection of corresponding relays among the relay group 25b, thus the switching signal corresponding produced with action required.

By reading the description of above-mentioned preferred embodiment, those skilled in the art need not can make various modifications or change to the utility model through performing creative labour, and therefore spirit of the present utility model and protection domain should not be subjected to above-mentioned specifically described qualification.

Claims

1, a kind of multifunctional optical disk test player is characterized in that, comprises:

Disc player clock mechanism;

The CD player remote-control signal transmitter;

LCD, its video inputs mouth is connected with the video-out port of described disc player clock mechanism;

Power amplifier, its input end is connected with the audio output port of described disc player clock mechanism;

Audio signal output device, it is connected with the output terminal of described power amplifier;

Control module, it comprises:

Electronic switch set, its input end links to each other with described remote-control signal transmitter with the outgoing side of signal converter respectively with output terminal, and described parallel signal is converted to the switching signal that the control remote signal produces.

2, multifunctional optical disk test player as claimed in claim 1 is characterized in that, further comprises light activated switch, and it links to each other with one of them control port of described microcontroller.

3, multifunctional optical disk test player as claimed in claim 2 is characterized in that, the control port that described microcontroller links to each other with described light activated switch is the external reset input port.

4, as any described multifunctional optical disk test player in the claim 1～3, it is characterized in that, described electronic switch set comprises gauge tap and relay group, wherein, the input end of described gauge tap is connected with the outgoing side of signal converter, and described relay group is connected between the output terminal and remote-control signal transmitter of described gauge tap.

5, multifunctional optical disk test player as claimed in claim 4, it is characterized in that, described microcontroller adopts integrated circuit (IC) chip 54LPC764, described signal converter adopts integrated circuit (IC) chip PCF8574, described power amplifier adopts integrated circuit (IC) chip TDA2822, and described gauge tap adopts integrated circuit (IC) chip CD4066.

As any described multifunctional optical disk test player in the claim 5, it is characterized in that 6, described audio signal output device is at least a in earphone, loudspeaker or the sound equipment.

7, multifunctional optical disk test player as claimed in claim 6 is characterized in that, further comprises speech processing circuit, and its input end links to each other with the data-out port of described microcontroller, and output terminal links to each other with audio signal output device.