CN201479087U - Numerical control multi-channel amplifier - Google Patents
Numerical control multi-channel amplifier Download PDFInfo
- Publication number
- CN201479087U CN201479087U CN2009201722870U CN200920172287U CN201479087U CN 201479087 U CN201479087 U CN 201479087U CN 2009201722870 U CN2009201722870 U CN 2009201722870U CN 200920172287 U CN200920172287 U CN 200920172287U CN 201479087 U CN201479087 U CN 201479087U
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- module
- amplifier
- controller
- numerical control
- control multi
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Abstract
The utility model relates to a numerical control multi-channel amplifier comprising an input signal module, an amplifier, an output signal module and a power supply module. The numerical control multi-channel amplifier is characterized in that the amplifier is connected with an output end of a controller by a gain control module; the controller is connected with an upper computer by a communication port; a keyboard input module is connected with an input end of the controller; and as the structure is adopted, the numerical control multi-channel amplifier has the following advantages of flexible control, convenient use, lower cost and capability of selecting amplification gain and amplification channels of the amplifier by remote control.
Description
Technical field
The utility model relates to amplifier region, particularly a kind of numerical control multi-channel amplifier.
Background technology
Present multi-channel amplifier, general type are the gain amplifier that each passage adopts manual knob formula adjustable resistance resonance-amplifier; But this kind control mode makes that the amplifier degree of regulation is poor, and is subject to operational environment, bump influences such as knob adjustable resistance for false touch as vibrations, people, and adjustment process is loaded down with trivial details for the multichannel gain-adjusted.
The utility model content
The utility model technical issues that need to address are, channel selecting and gain amplifier that a kind of numerical control multi-channel amplifier can the Keyboard Control amplifier are provided, simultaneously also can be by the channel selecting and the gain amplifier of host computer Long-distance Control and monitoring amplifier.
In order to solve the problems of the technologies described above, the technical solution of the utility model is that a kind of numerical control multi-channel amplifier comprises input signal module, amplifier, output signal module, power module; It is characterized in that: described amplifier is connected with the output of controller by gain control module, and controller is connected with host computer by communication port, and the keyboard input module is connected with the input of controller.
A kind of numerical control multi-channel amplifier; It is characterized in that: described gain control module is digital regulation resistance or bidirectional analog switch.
A kind of numerical control multi-channel amplifier is characterized in that: described communication port is RS232 serial ports or RS458 serial ports.
A kind of numerical control multi-channel amplifier is characterized in that: the output of described controller is connected with display unit.
A kind of numerical control multi-channel amplifier is characterized in that: described power module comprises AC power, the AC-DC module, and power isolation module is formed, and AC power provides power supply through AC-DC module and isolated from power unit to amplifier and controller.
A kind of numerical control multi-channel amplifier is characterized in that: described controller is connected with memory.
A kind of numerical control multi-channel amplifier is characterized in that: the controller of being retouched adopts single-chip microcomputer, and control chip is TMS470R1VF67A.
A kind of numerical control multi-channel amplifier, because the employing said structure has the following advantages, control can be carried out Long-distance Control amplifier gain amplifier and send out the major path selection flexibly, easy to use, cost is lower.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further details
Fig. 1 is the utility model theory diagram
In Fig. 1,1, amplifier, 2, controller, 3, host computer, 4, gain control unit, 5, the keyboard input module, 6, communication port, 7, input signal module, 8, output signal module, 9, display unit, 10, AC power, 11, the AC-DC module, 12, power isolation module, 13, memory.
Embodiment
As shown in Figure 1, host computer 3 is connected with controller 2 by communication port 6, communication port 6 adopts RS232 serial ports or RS485 serial ports, the output of controller 2 is connected with amplifier 1 by gain control unit 4, keyboard input module 5 directly is connected with controller 2, after controller 2 receives the order of keyboard input module 5 or host computer 3, controller 2 transmits control signal to gain control unit 4, change the electrical quantity of gain control unit 4, thereby cooperate amplifier 1 to change the gain amplifier of amplifier 1.Controller 2 adopts single-chip microcomputer, and control chip is TMS470R1VF67A.Gain control unit can be digital regulation resistance or bidirectional analog switch, digital regulation resistance is the gain amplifier that the resistance of controller control figure potentiometer changes amplifier 1, the bidirectional analog switch is controller 1 a control bidirectional analog switch, according to different instructions different resistance is switched the gain amplifier that circuit into changes amplifier 1.Controller 1 also is connected with display unit 9 with memory 13 respectively.
When the signal of input signal module 8 input is amplified, AC power 10 is through AC-DC module 11, convert alternating current to direct current and providing power supply through power isolation module 12 for amplifier 1 and controller 2 then, power isolation module 12 is isolated the electrical equipment of amplifier 1 and electrical network, guarantee the electrical safety of amplifier 1, and improved the interference free performance of amplifier 1.After amplifier 1 powers on, the control signal that gain control unit 4 sends according to controller 2, passage is selected and gain amplifier is controlled, and display unit 9 provides the channel selecting in the operating process to show and the gain amplifier demonstration, and information such as time and identification number are provided.Information such as the selection of 13 memory channels of memory and amplifier gain amplifier.Signal is through amplifying the signal that the back forms the amplification in the output signal module 8.
Claims (7)
1. a numerical control multi-channel amplifier comprises input signal module (7), amplifier (1), output signal module (8), power module; It is characterized in that: described amplifier (1) is connected with the output of controller (2) by gain control module (4), and controller (2) is connected with host computer (3) by communication port (6), and keyboard input module (5) is connected with the input of controller (2).
2. a kind of numerical control multi-channel amplifier according to claim 1; It is characterized in that: described gain control module (4) is digital regulation resistance or bidirectional analog switch.
3. a kind of numerical control multi-channel amplifier according to claim 1 is characterized in that: described communication port (6) is RS232 serial ports or RS458 serial ports.
4. a kind of numerical control multi-channel amplifier according to claim 1 is characterized in that: the output of described controller (2) is connected with display unit (9).
5. a kind of numerical control multi-channel amplifier according to claim 1, it is characterized in that: described power module comprises AC power (10), AC-DC module (11), power isolation module (12) is formed, and AC power (10) provides power supply through AC-DC module (11) and isolated from power unit (12) to amplifier.
6. a kind of numerical control multi-channel amplifier according to claim 1 is characterized in that: described controller (2) is connected with memory (13).
7. numerical control multi-channel amplifier is characterized in that: the controller of being retouched (2) adopts single-chip microcomputer, and control chip is TMS470R1VF67A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201722870U CN201479087U (en) | 2009-05-27 | 2009-05-27 | Numerical control multi-channel amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201722870U CN201479087U (en) | 2009-05-27 | 2009-05-27 | Numerical control multi-channel amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201479087U true CN201479087U (en) | 2010-05-19 |
Family
ID=42415341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201722870U Expired - Fee Related CN201479087U (en) | 2009-05-27 | 2009-05-27 | Numerical control multi-channel amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201479087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931933A (en) * | 2012-11-15 | 2013-02-13 | 贵州航天电器股份有限公司 | Proportion-adjustable multiway universal programmable voltage amplification module |
-
2009
- 2009-05-27 CN CN2009201722870U patent/CN201479087U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931933A (en) * | 2012-11-15 | 2013-02-13 | 贵州航天电器股份有限公司 | Proportion-adjustable multiway universal programmable voltage amplification module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20100527 |