CN2869979Y - A/D module having USB communication function - Google Patents
A/D module having USB communication function Download PDFInfo
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- CN2869979Y CN2869979Y CN 200520047144 CN200520047144U CN2869979Y CN 2869979 Y CN2869979 Y CN 2869979Y CN 200520047144 CN200520047144 CN 200520047144 CN 200520047144 U CN200520047144 U CN 200520047144U CN 2869979 Y CN2869979 Y CN 2869979Y
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Abstract
An A/D module with USB communication function, in particular to an A/D module with USB communication function for working places where USB port is used for communication with PCs, a plurality of modules is used in parallel connection via USB hub, digital signals are subject to data pre-processing via programming by CPU and digital quantity is stored by additional storage modules. This utility model relates to an A/D module for universal USB communication, combining programmable control amplifier, A/D converter, CPU and USB ports and addressing programmable control amplification, A/D conversion, direct communication with computer via USB ports and other related technical issues. This utility model has the advantages that programmable control amplification and A/D conversion can be conducted to the analog electric quantity converted from physical quantity, direct communication with computer via USB ports is possible, and unique, simple, novel and compact construction combined with a plurality of pieces and easy use are provided.
Description
Technical field
The utility model relates to a kind of A/D module of the USB of having communication function, refer to especially a kind of be used for USB interface and PC carry out communication, by usb hub with the use in parallel of a plurality of modules, digital signal is carried out the data pre-service, is added memory module digital quantity such as is stored at the workplace by the CPU programming.
Background technology
At present, various communication interfaces are arranged on the market, various in style, of many uses, each has something to recommend him, still, programmable amplifier, A/D converter, CPU and USB interface four parts are not combined into one, and the module that directly can carry out communication with computing machine.
Summary of the invention
In order to overcome above-mentioned weak point, fundamental purpose of the present utility model aims to provide and a kind of programmable amplifier, A/D converter, CPU and general-purpose serial bus USB interface four parts is combined into one, and a kind of A/D module with USB communication function that directly can carry out communication with computing machine.
The technical problems to be solved in the utility model is: solve to the simulation electric weight that comes by physical quantity conversion carry out program control amplification, A/D conversion and by USB interface directly and computing machine carry out relevant technologies problems such as communication.
The technical scheme that its technical matters that solves the utility model adopts is: this device is made up of parts such as amplifier, sensor, A/D converter, CPU, USB interface and computer PC, it is combined into the A/D module of a Universal USB communication successively by programmable amplifier, A/D converter, CPU and USB interface four parts, wherein:
The analog quantity input signal is input to the input end of programmable amplifier, the output terminal of programmable amplifier is connected with the input end of A/D converter, the output terminal of A/D converter is connected with the input end of CPU, the CPU output terminal is connected with the input end of USB interface, and the output terminal of USB interface is connected with the input end of computer PC.
The programmable amplifier of the A/D module of the described a kind of USB of having communication function is connected positive supply with the pin 16 of A/D converter module, pin 1 is connected by the anode of resistance 1 with the analog quantity input signal, pin 2 is connected by the negative terminal of resistance 2 with the analog quantity input signal, pin 3 is respectively by being attempted by the capacitor C 1 on the pin 1 and the other end ground connection of the capacitor C 2 on the pin 2, pin 17,18 and connect the back by capacitor C 3 ground connection, pin 9 ground connection, its pin 15 is connected with the pin 43 of CPU and usb interface module, its pin 5 is connected with the pin 44 of CPU and usb interface module, its pin 11 is connected with the pin 45 of CPU and usb interface module, its pin 12 is connected with the pin 46 of CPU and usb interface module, its pin 13 is connected with the pin 47 of CPU and usb interface module, pin 42 ground connection of CPU and usb interface module, its pin 18 is connected with the anode of output signal, and its pin 19 is connected with the negative terminal of output signal.
The A/D module of the USB communication of described a kind of A/D module with USB communication function is two or more than two parallel connection, and its each road is made up of the A/D module of displacement transducer and USB communication successively, wherein:
The output terminal of each road displacement transducer is connected with the input end of the A/D module of USB communication, and the output terminal of the A/D module of USB communication is connected with an input end of hub, and the output terminal of hub is connected with the input end of computer PC.
The beneficial effects of the utility model are: can carry out the simulation electric weight that comes by physical quantity conversion program control amplification, A/D conversion and by USB interface directly and computing machine carry out communication; Have the structure uniqueness, simple, novel, volume is little, polylith and connect, advantage such as easy to use.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Accompanying drawing 1 is the utility model one-piece construction block diagram;
Accompanying drawing 2 is the utility model circuit theory diagrams;
Accompanying drawing 3 is the utility model input interface circuit schematic diagrams;
Accompanying drawing 4 is the utility model analog module three end power circuit principle figure;
Accompanying drawing 5 is the utility model digital module three end power circuit principle figure;
Accompanying drawing 6 is the utility model USB power circuit principle figure;
Accompanying drawing 7 is block diagrams of one of the utility model and the embodiment that connects use;
Label declaration in the accompanying drawing:
The input of 1-analog quantity;
The 2-programmable amplifier;
The 3-A/D converter;
4-CPU；
The 5-USB interface;
The 6-computer PC;
The 7-displacement transducer;
The A/D module of 8-USB communication;
The 9-hub;
Embodiment
See also shown in the accompanying drawing 1, the utility model is by amplifier, sensor, A/D converter, CPU, assembly such as USB interface and computer PC is formed, it is successively by programmable amplifier (2), A/D converter (3), CPU (4) and USB interface (5) four parts are combined into the A/D module (8) of a Universal USB communication, wherein: analog quantity input (1) signal is input to the input end of programmable amplifier (2), the output terminal of programmable amplifier (2) is connected with the input end of A/D converter (3), the output terminal of A/D converter (3) is connected with the input end of CPU (4), CPU (4) output terminal is connected with the input end of USB interface (5), and the output terminal of USB interface (5) is connected with the input end of computer PC (6).
The programmable amplifier (2) of the A/D module of the described a kind of USB of having communication function is connected positive supply with the pin 16 of A/D converter (3) module, pin 1 is connected by the anode of resistance 1 with analog quantity input (1) signal, pin 2 is connected by the negative terminal of resistance 2 with analog quantity input (1) signal, pin 3 is respectively by being attempted by the capacitor C 1 on the pin 1 and the other end ground connection of the capacitor C 2 on the pin 2, pin 17,18 and connect the back by capacitor C 3 ground connection, pin 9 ground connection, its pin 15 is connected with the pin 43 of USB interface (5) module with CPU (4), its pin 5 is connected with the pin 44 of USB interface (5) module with CPU (4), its pin 11 is connected with the pin 45 of USB interface (5) module with CPU (4), its pin 12 is connected with the pin 46 of USB interface (5) module with CPU (4), its pin 13 is connected with the pin 47 of USB interface (5) module with CPU (4), pin 42 ground connection of CPU (4) and USB interface (5) module, its pin 18 is connected with the anode of output signal, and its pin 19 is connected with the negative terminal of output signal.
The A/D module (8) of the USB communication of described a kind of A/D module with USB communication function is two or more than two parallel connection, and its each road is made up of the A/D module (8) of displacement transducer (7) and USB communication successively, wherein:
The output terminal of each road displacement transducer (7) is connected with the input end of the A/D module (8) of USB communication, the output terminal of the A/D module (8) of USB communication is connected with an input end of hub (9), and the output terminal of hub (9) is connected with the input end of computer PC (6).
The characteristics of this device are:
1. a general module that is combined into by I, II, III, IV four parts, its input End can be directly and the electrical equipment sensor be complementary; Its A/D translative mode can by CPU carries out programming Control; This module can be led to by USB interface and PC News.
2. this module can be carried out the data preliminary treatment to data signal by the CPU programming.
3. this module can be by usb hub with the use in parallel of a plurality of modules.
4. this module adopts the usb bus powering mode to carry out work.
This module can also adopt the interpolation memory module that digital quantity is stored.
The model of all chips of the present utility model, all components and parts is multiple commonly used Or be relative product.
Claims (3)
1, a kind of A/D module with USB communication function, this device has amplifier, sensor, A/D converter, CPU, USB interface and computer PC, it is characterized in that: be combined into the A/D module (8) of a Universal USB communication successively by programmable amplifier (2), A/D converter (3), CPU (4) and USB interface (5) four parts, wherein:
Analog quantity input (1) signal is input to the input end of programmable amplifier (2), the output terminal of programmable amplifier (2) is connected with the input end of A/D converter (3), the output terminal of A/D converter (3) is connected with the input end of CPU (4), CPU (4) output terminal is connected with the input end of USB interface (5), and the output terminal of USB interface (5) is connected with the input end of computer PC (6).
2, a kind of A/D module according to claim 1 with USB communication function, it is characterized in that: described programmable amplifier (2) is connected positive supply with the pin 16 of A/D converter (3) module, pin 1 is connected by the anode of resistance 1 with analog quantity input (1) signal, pin 2 is connected by the negative terminal of resistance 2 with analog quantity input (1) signal, pin 3 is respectively by being attempted by the capacitor C 1 on the pin 1 and the other end ground connection of the capacitor C 2 on the pin 2, pin 17,18 and connect the back by capacitor C 3 ground connection, pin 9 ground connection, its pin 15 is connected with the pin 43 of USB interface (5) module with CPU (4), its pin 5 is connected with the pin 44 of USB interface (5) module with CPU (4), its pin 11 is connected with the pin 45 of USB interface (5) module with CPU (4), its pin 12 is connected with the pin 46 of USB interface (5) module with CPU (4), its pin 13 is connected with the pin 47 of USB interface (5) module with CPU (4), pin 42 ground connection of CPU (4) and USB interface (5) module, its pin 18 is connected with the anode of output signal, and its pin 19 is connected with the negative terminal of output signal.
3, a kind of A/D module according to claim 1 with USB communication function, it is characterized in that: the A/D module (8) of described USB communication connects for two or more than two is parallel, its each road is made up of the A/D module (8) of displacement transducer (7) and USB communication successively, wherein:
The output terminal of each road displacement transducer (7) is connected with the input end of the A/D module (8) of USB communication, the output terminal of the A/D module (8) of USB communication is connected with an input end of hub (9), and the output terminal of hub (9) is connected with the input end of computer PC (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520047144 CN2869979Y (en) | 2005-12-01 | 2005-12-01 | A/D module having USB communication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520047144 CN2869979Y (en) | 2005-12-01 | 2005-12-01 | A/D module having USB communication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2869979Y true CN2869979Y (en) | 2007-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520047144 Expired - Fee Related CN2869979Y (en) | 2005-12-01 | 2005-12-01 | A/D module having USB communication function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2869979Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101536900B (en) * | 2009-03-24 | 2011-06-29 | 重庆大学 | Method and system for constructing modular medical instrument based on USB HUB |
| CN101639519B (en) * | 2008-07-31 | 2012-05-30 | 鸿富锦精密工业（深圳）有限公司 | Detection circuit |
-
2005
- 2005-12-01 CN CN 200520047144 patent/CN2869979Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639519B (en) * | 2008-07-31 | 2012-05-30 | 鸿富锦精密工业（深圳）有限公司 | Detection circuit |
| CN101536900B (en) * | 2009-03-24 | 2011-06-29 | 重庆大学 | Method and system for constructing modular medical instrument based on USB HUB |
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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 |