CN2816868Y - Multi-channel digital control audio frequency power-amplifying device - Google Patents
Multi-channel digital control audio frequency power-amplifying device Download PDFInfo
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- CN2816868Y CN2816868Y CN 200520040660 CN200520040660U CN2816868Y CN 2816868 Y CN2816868 Y CN 2816868Y CN 200520040660 CN200520040660 CN 200520040660 CN 200520040660 U CN200520040660 U CN 200520040660U CN 2816868 Y CN2816868 Y CN 2816868Y
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- control computer
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Abstract
The utility model discloses multi-channel digital control audio frequency power-amplifying equipment, which is characterized in that a plurality of output ends of a plurality of signal input circuits are respectively connected with a plurality of input ends of a signal switching matrix. A plurality of output ends of the signal switching matrix are respectively connected with a plurality of input ends of a plurality of power amplifiers. A control end of the signal switching matrix is connected with an output end of a control computer, and an input end of the control computer is connected with a PC. The digital control audio frequency power-amplifying device also comprises a wireless receiving module connected with the control computer, a plurality of panel controllers, etc., to complete the functions that radio remote control chooses different information sources and each separated user chooses different information sources. Thereby, the utility model can control a main machine of the equipment through the panel controllers, the radio remote control, the PC, etc. Audio frequency signals of computers, televisions, CD machines, etc., can be effectively integrated together. Broadcast control for each of channels can be carried out in a certain time.
Description
Technical field:
The utility model relates to a kind of communication facilities, the numerical control audio power multiplying arrangement of particularly a kind of multiple source input hyperchannel output.
Background technology:
The background music power amplification device of Sheng Chaning mostly is that commercial building uses and design in the market, and the speed of development in this several years Chinese commodity rooms is very fast, many users such as villa user pay much attention to the indoor environment of living, and press for to introduce background music broadcasting indoor.But alternative equipment all is commercial style on the market, the one, and function is few, and the 2nd, the price height can not numerical control, is used in indoorly can't mate with luxurious finishing.
Summary of the invention:
The purpose of this utility model provides a kind of numerical control audio power multiplying arrangement with the output of multiple source input hyperchannel.
To achieve these goals, the technical solution of the utility model is: a kind of numerical control audio power multiplying arrangement, it comprises a plurality of signal input circuits, a plurality of power amplification circuits, the a plurality of output terminals that it is characterized in that a plurality of signal input circuits are connected with a plurality of input ends of signal switching matrix respectively, a plurality of output terminals of signal switching matrix are connected with a plurality of input ends of a plurality of power amplifiers respectively, the control end of signal switching matrix is connected with the output terminal of control computer, and the input end of control computer is connected with PC.
Be connected with input current potential regulating circuit between each output terminal of a plurality of signal input circuits and each input end of signal switching matrix, its control end is connected with control computer; Be connected with the output potential regulating circuit between each input end of each output terminal of signal switching matrix and a plurality of power amplification circuits, its control end is connected with control computer.
This numerical control audio power multiplying arrangement also comprises the wireless receiving module that is connected with control computer, is used for receiving the wireless remote control signal, exports to control computer.
This numerical control audio power multiplying arrangement also comprises a plurality of panel controllers that are connected with control computer, is used for controlling control computer, and wherein each panel controller is corresponding to a power amplification circuit.
In control computer, also be connected with level shifting circuit between PC and a plurality of panel controller.
Can finish the selection of a plurality of power amplification circuits to a plurality of information sources by control computer and signal switching matrix, PC is to be used for controlling control computer, thereby finishes the selection of a plurality of power amplification circuits to a plurality of information sources.And the current potential regulating circuit of signal switching matrix input end and output terminal can be used to control a plurality of power amplification circuit output different capacity sizes.A plurality of panel controllers and wireless receiving module also can be used to control control computer, finish far-end and select various information source and wireless remote control to select the function of various information source.Level shifting circuit is used for carrying out the level conversion between control computer and a plurality of panel controller, can the interconnected communication exchanging control data between control computer and a plurality of panel controller thereby make.
Description of drawings:
Fig. 1 is a circuit block diagram of the present utility model
Fig. 2 is signal processing circuit figure
Fig. 3 is power amplification device output circuit figure
Fig. 4 is the MCU control circuit figure of control computer
Fig. 5 is the circuit diagram of wireless receiving module
Fig. 6 is another power amplification device output circuit figure
Fig. 7 is the circuit diagram of level shifting circuit
Fig. 8 is the program flow diagram of control computer
Embodiment:
Below in conjunction with drawings and Examples the utility model is further described.
The utility model comprises a plurality of signal input circuits 1 that are used for the information source input, the a plurality of power amplification circuits 2 that are used for signal output, the a plurality of output terminals that it is characterized in that a plurality of signal input circuits 1 are connected with a plurality of input ends of signal switching matrix 3 respectively, a plurality of output terminals of signal switching matrix 3 are connected with a plurality of input ends of a plurality of power amplifiers 2 respectively, the control end of signal switching matrix 3 is connected with the output terminal of control computer 4, and the input end of control computer 4 is connected with PC 5.Also be connected with input current potential regulating circuit 7 between each output terminal of a plurality of signal input circuits 1 and signal switching matrix 3 each input end, its control end is connected with control computer 4.Also be connected with output potential regulating circuit 7 between each input end of signal switching matrix 3 each output terminal and power amplification circuit 2, its control end is connected with control computer 4.Also be connected with level shifting circuit 10 between control computer 4 and the PC 5, the output terminal of each power amplifier 2 is connected with separately signal output device 11 respectively in concrete the enforcement.
This numerical control audio power multiplying arrangement also comprises the wireless receiving module 8 that is connected with control computer 4, is used for receiving the wireless remote control signal, exports to control computer; The a plurality of panel controllers 9 that are connected with control computer are used for controlling control computer, wherein the corresponding power amplification circuit of each panel controller.
As can be seen from the figure, in this embodiment, input current potential regulating circuit 6 and output potential regulating circuit 7 are the digital regulation resistance circuit, can finish the function of multichannel power amplification circuit output different capacity size.Level shifting circuit 10 is RS485.In this embodiment, a plurality of signal input circuits 1 are three signal input circuits, respectively with PC, and CD, TV connects.And a plurality of power amplification circuits 2 are seven power amplification circuits, connect 7 outputs respectively.Therefore present embodiment is the numerical control audio power multiplying arrangement that three information sources are imported the output of seven passages.But, those of ordinary skill in the art is to be understood that, the utility model is not limited to this, as long as control computer and signal switching matrix are carried out corresponding modification, then the utility model can adapt to the numerical control audio power multiplying arrangement of any multiple source input hyperchannel output.
When specific implementation, the user can be according to the hobby of oneself, control computer is embedded on the metope in house, with this control computer is that the center is with star-like form distribution audio amplifier line, arrange control line with series form, in each house, in each house, audio amplifier is installed, and in each house, is installed the digital-control type switch enclosure, then the sound card of PC is exported, the RS485 control line, the audio frequency output of televisor or the audio frequency output of DVD are connected on the control computer, connect host power supply, open computer, just can begin to have operated.
Therefore the attainable function of the utility model is the output of multiple source input hyperchannel, and main user can come broadcast host is broadcast control by the PC Control Software, divides the user to select information source and volume along separate routes by the digital-control type switch enclosure of installing on the wall.Main user also can set by computer software and when divides the user house to carry out timing broadcast.
Claims (7)
1, a kind of hyperchannel numerical control audio power multiplying arrangement, it comprises a plurality of signal input circuits (1), a plurality of power amplification circuits (2), the a plurality of output terminals that it is characterized in that a plurality of signal input circuits (1) are connected with a plurality of input ends of signal switching matrix (3) respectively, a plurality of output terminals of signal switching matrix (3) are connected with the input end of a plurality of power amplifiers (2) respectively, the control end of signal switching matrix (3) is connected with the output terminal of control computer (4), and the input end of control computer (4) is connected with PC (5).
2, a kind of hyperchannel numerical control audio power multiplying arrangement as claimed in claim 1, it is characterized in that also being connected with input current potential regulating circuit (6) between each output terminals of a plurality of signal input circuits (1) and each input end of signal switching matrix (3), its control end is connected with control computer (4).
3, a kind of hyperchannel numerical control audio power multiplying arrangement as claimed in claim 1, it is characterized in that also being connected with output potential regulating circuit (7) between each input end of each output terminal of signal switching matrix (3) and power amplification circuit (2), its control end is connected with control computer (4).
4, a kind of hyperchannel numerical control audio power multiplying arrangement described in claim 1 is characterized in that also being connected with level shifting circuit (10) between control computer (4) and the PC (5).
5, a kind of hyperchannel numerical control audio power multiplying arrangement described in claim 1, the output terminal that it is characterized in that each power amplifier (2) are connected with separately signal output device respectively
6, a kind of hyperchannel numerical control audio power multiplying arrangement described in claim 1 is characterized in that it also comprises a plurality of panel controllers (9) that are connected with control computer, wherein the corresponding power amplification circuit of each panel controller.
7, a kind of hyperchannel numerical control audio power multiplying arrangement described in claim 1 is characterized in that it also comprises the wireless receiving module (8) that is connected with control computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520040660 CN2816868Y (en) | 2005-04-05 | 2005-04-05 | Multi-channel digital control audio frequency power-amplifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520040660 CN2816868Y (en) | 2005-04-05 | 2005-04-05 | Multi-channel digital control audio frequency power-amplifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2816868Y true CN2816868Y (en) | 2006-09-13 |
Family
ID=36996679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520040660 Expired - Fee Related CN2816868Y (en) | 2005-04-05 | 2005-04-05 | Multi-channel digital control audio frequency power-amplifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2816868Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355620A (en) * | 2011-06-09 | 2012-02-15 | 周意春 | Method for realizing automatic debugging of wireless microphone and automatic debugging system |
-
2005
- 2005-04-05 CN CN 200520040660 patent/CN2816868Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355620A (en) * | 2011-06-09 | 2012-02-15 | 周意春 | Method for realizing automatic debugging of wireless microphone and automatic debugging system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |