CN201018592Y

CN201018592Y - Video, audio router

Info

Publication number: CN201018592Y
Application number: CNU2007200107540U
Authority: CN
Inventors: 程鹏; 李金忠
Original assignee: DALIAN GIGATEC ELECTRONICS Co Ltd
Current assignee: DALIAN GIGATEC ELECTRONICS Co Ltd
Priority date: 2007-03-01
Filing date: 2007-03-01
Publication date: 2008-02-06
Anticipated expiration: 2017-03-01

Abstract

The utility model discloses a video and audio router to control switching of CATV and other video and audio equipments, thus enabling a plurality of receiving equipments, such as TV, to share a digital set-top box, DVD and so on. Based intelligent study design, the video and audio router is provided with performances of studying, judging and memorizing parameters of equipment remote controllers of various signal sources, thus using prior source equipment remote controllers to realize multi-path video and audio signal source switching. A main device and an auxiliary device of the video and audio route are connected with a common CAT5 network cable. The auxiliary device is connected with all televisions through standard RCA interface cable, thus ensuring simple wiring and lower price and applying to small-scale extensive civil household purpose.

Description

Look, audio router

Technical field

The utility model relates to the looking of cable digital TV, audio router, particularly be applicable to vast home dwelling small-sized civilianly look, audio router, realize that with the remote controller of former active equipment multichannel is looked, the switching of audio signal source, realize that many receive the shared top box of digital machine of television set, DVD etc.

Background technology

Along with popularizing of Digital Television, widely-used top box of digital machine is converted into analog signal with digital signal and plays on existing simulated television.Many TV user have and are positioned at the not multiple TV set of chummery, and a set-top box can only be used for a television set, do not have the television set of fitting machine top box can't receiving digital signals.Many families also are furnished with equipment such as DVD, videocorder simultaneously, are placed on the TV of chummery not and also wish to receive the program that DVD, videocorder play.Though look at present, audio router can realize that multiple TV set shares equipment such as a set-top box and DVD, needs to use special-purpose remote controller, operation inconvenience.

Summary of the invention

The utility model is at the deficiencies in the prior art, and it is simple to develop a kind of wiring, easy to use looks, audio router.Its technical solution is achieved in that

The remote controller that a kind ofly look, audio router is used former active equipment realizes that multichannel is looked, the switching of audio signal source, it has 3 input equipments, 4 delivery outlets, one of them meets the looking of RCA standard, audio interface links to each other with main TV, and 3 RJ45 interfaces link to each other with secondary machine by netting twine.

Main frame have to the signal with different type source look, the function of the switching of audio signal source.

Main frame has intelligence learning and judgement and remembers the performance parameters of various signal with different type source device remote controllers, look, adopt the intelligence learning design on the host computer control of audio router, the remote controller that uses former active equipment in different rooms to major and minor machine look, the program handover operation of audio signal source.

The signal source of the secondary machine of host computer control, and, adopt common CAT5 netting twine to connect between the major-minor machine to secondary machine power supply, secondary machine adopts the RCA interface cable of standard to be connected with each TV Room.

The switching of gating matrix circuit; Adopt common CAT5 netting twine to connect between the major-minor machine, the applied cost cost is low, and comprehensive wiring is convenient, can realize being not less than between 200 meters long-distance transmissions and a plurality of programme signals source look, transmission of audio signals and switching; Image and audio quality are very high, can guarantee clear picture, the tone color grace; Anti-various interference capability are strong, and laser propagation effect is reliable and stable.

Description of drawings

Fig. 1 is a main machine structure principle schematic of the present utility model;

Fig. 2 is a secondary machine structural principle schematic diagram of the present utility model.

Embodiment

As Fig. 1～shown in Figure 2:

1) look, the general structure of audio router is as follows

A, host machine part

The key component of this system is a switch, its switching scale is 3 * 4,3 input equipments (as: set-top box, DVD player, VCD player, videocorder, satellite receiver etc. have the looking of RCA interface, audio frequency apparatus arbitrarily) are promptly arranged, 4 output equipments (as look, 3 secondary machines of audio router and the RCA interface of a standard be connected a television set).

The front end of switch can be imported the looking of equipment such as cable digital TV set-top box, DVD player, VCD player, videocorder, satellite receiver output, audio signal, switch provides the signal of three great distance ends output and one road main output by output buffer, and the signal of one road main output is connected to television terminal.

Microprocessor in the system receives the power supply signal of infrared receiving circuit signal, keyboard checking circuit signal, electric power management circuit and the infrared signal that distal adapter passes through the CAT5 cable transmission.Can directly switch, control the control signal of memory to switch output control, control signal (also may command main frame start is controlled in remote control) to the open and close of power unit output control power supply, by the output of infrared emission circuit, control various input equipments by the infrared data that far-end is passed back.

B, distal adapter part

One end of distal adapter is connected with the RJ45 delivery outlet of host machine part by the CAT5 netting twine, its other end uses and commonly looks, voice-frequency cable inserts and variously looks, the input of audio frequency apparatus, the remote-control data that distal adapter receives is also passed main frame back by same CAT5 cable, main frame is analyzed, is discerned the data of passing back, the switching of gating matrix circuit.

2) look, transmission of audio signals

Adopt common CAT5 netting twine to connect between the major-minor machine, the applied cost cost is low, and comprehensive wiring is convenient, can realize being not less than between 200 meters long-distance transmissions and a plurality of programme signals source look, transmission of audio signals and switching; Image and audio quality are very high, can guarantee clear picture, the tone color grace; Anti-various interference capability are strong, and laser propagation effect is reliable and stable.

3) control section

Utilize original remote controller, main frame has the function of memory remote control identification to the signal of controller, accomplish to switch corresponding program source according to different remote controllers, and on secondary machine, the remote signal that receives is sent on the main frame, by analysis, emission again after the demodulation, modulation, thereby finish to correspondingly look, the control of audio frequency apparatus.

4) power supply

The separate power supply adapter is adopted in power supply unit design, has designed a power supply adaptor interface at the back side of main frame, with an end of power supply adaptor with look, adaptor interface on the main frame of audio router links to each other, another termination 220V AC power supplies gets final product.Power supply leaks and to be controlled at≤0.25mA, and it is 50Hz, voltage 3750V that electrical strength should be able to be born frequency, last 1min and do not occur puncturing, and electrical safety meets the GB8098-2001 regulation, has the unfailing performance of continuous operation 72h.

5) structural manufacturing process part

Adopt the light design of thin body, considered user's convenience.Material selection ABS, smooth surface is clean and tidy, maintenance easy to clean, good seal performance.

Operation principle:

The key component of this system is the main frame switch, its switching scale is 3 * 4,3 signal source input interfaces (as: set-top box, DVD player, VCD player, videocorder, satellite receiver etc. have the looking of RCA interface, audio frequency apparatus arbitrarily) are promptly arranged, 4 signal output interfaces (as look, 3 secondary machines of audio router and the RCA interface of a standard be connected a television set).The front end of switch can be imported the looking of equipment such as cable digital TV set-top box, DVD player, VCD player, videocorder, satellite receiver output, audio signal, switch provides the signal of three great distance ends output and one road main output by output buffer, and the signal of one road main output is connected to television terminal.

Microprocessor in the system receives the power supply signal of infrared receiving circuit signal, keyboard checking circuit signal, electric power management circuit and the infrared signal that distal adapter passes through the CAT5 cable transmission.Can directly switch, control the control signal of memory to switch output control, control signal (also may command main frame start is controlled in remote control) to the open and close of power unit output control power supply, by the output of infrared emission circuit, control various input equipments by the infrared data that far-end is passed back.Utilize original remote controller, main frame has the function of memory remote control identification to the signal of controller, accomplish to switch corresponding program source according to different remote controllers, and on secondary machine, the remote signal that receives is sent on the main frame, by analysis, emission again after the demodulation, modulation, thereby finish to correspondingly look, the control of audio frequency apparatus.The separate power supply adapter is adopted in power supply unit design, has designed a power supply adaptor interface at the back side of main frame, with an end of power supply adaptor with look, adaptor interface on the main frame of audio router links to each other, another termination 220V AC power supplies gets final product.16 volts of host work direct voltages are delivered to secondary machine by netting twine with 16 volts of direct voltages simultaneously and are given secondary machine power supply.

One end of distal adapter is connected with the RJ45 delivery outlet of host machine part by the CAT5 netting twine, and its other end use is common to be looked, the voice-frequency cable access is variously looked, the input of audio frequency apparatus.The remote-control data that distal adapter receives is also passed main frame back by same CAT5 cable, main frame has intelligence learning and judgement and remembers the performance parameters of various signal with different type source device remote controllers, look, adopt the intelligence learning design on the host computer control of audio router, the remote controller that uses former active equipment in different rooms to major and minor machine look, the program handover operation of audio signal source.

Claims

One kind look, remote controller that audio router is used former active equipment realizes that multichannel is looked, the switching of audio signal source, it has 3 input equipments, 4 delivery outlets, one of them meets the looking of RCA standard, audio interface links to each other with main TV, and 3 RJ45 interfaces link to each other with secondary machine by netting twine.
2. according to claim 1ly look, audio router, it is characterized in that main frame have to the signal with different type source look, the function of the switching of audio signal source.
3. according to claim 1ly look, audio router, it is characterized in that main frame has intelligence learning and judgement and remembers the performance parameters of various signal with different type source device remote controllers, look, adopt the intelligence learning design on the host computer control of audio router, the remote controller that uses former active equipment in different rooms to major and minor machine look, the program handover operation of audio signal source.
4. according to claim 1ly look, audio router, it is characterized in that the signal source of the secondary machine of host computer control, and, adopt common CAT5 netting twine to connect between the major-minor machine that secondary machine is connected with the RCA interface cable of each TV Room employing standard to secondary machine power supply.