CN103576586A - Embedded data collecting device - Google Patents
Embedded data collecting device Download PDFInfo
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- CN103576586A CN103576586A CN201210281791.0A CN201210281791A CN103576586A CN 103576586 A CN103576586 A CN 103576586A CN 201210281791 A CN201210281791 A CN 201210281791A CN 103576586 A CN103576586 A CN 103576586A
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Abstract
The invention discloses an embedded data collecting device which comprises a microprocessor, an analog input module, an on-off input module, an amplification isolating circuit, an optoelectronic isolation circuit, a data collecting module, a front end conditioning circuit, an LCD display screen and a USB interface. The signal output end of the analog input module is connected with the signal input end of the amplification isolating circuit, the signal output end of the on-off input module is connected with the signal input end of the optoelectronic isolation circuit, the signal output end of the amplification isolating circuit and the signal output end of the optoelectronic isolation circuit are connected with the signal input end of the front end conditioning circuit, the signal output end of the front end conditioning circuit is connected with the signal input end of the data collecting module, and the signal output end of the data collecting module is connected with the USB interface. The application range of a collecting and control system can be further widened, high universality is achieved, the whole system does not need to be greatly changed, and the advantages of the strong real-time performance and reliability of the system are achieved.
Description
Technical field
The present invention relates to a kind of data collector, particularly relate to a kind of embedded data acquisition device.
Background technology
Oneself has brought into play significant role by warp Data Acquisition and Conversion System (DACS) in realizing automation process.For example, in industrial automation, by employing data acquisition system (DAS), from various, the industry spot signal source of observing and controlling, gathered relevant signal, through conditioning and conversion, make it to become the digital signal that computing machine can receive, and convert again the driving signal that can carry out various control tasks to after calculating, process and analyze by it, send to relevant servo actuation mechanism and actuator, thereby realize the control task of whole industrial process.Any modern industry process can adopt this system to realize robotization, thereby it acts on and economic benefit is huge.
In the industrial data collection being formed by single-chip microcomputer and microcomputer and control system, between computing machine and computing machine, computing machine and single-chip microcomputer, often need to carry out exchanges data at present.Because many data acquisitions are
System is all set up for own specific application, therefore, Data Acquisition and Conversion System (DACS) should
By scope, be just very restricted.
Summary of the invention
The object of the invention is to provide in order to address the above problem a kind of low in energy consumption, acquisition precision is high and be convenient to the embedded data acquisition device of expansion upgrading.
The present invention is achieved by the following technical solutions:
A kind of embedded data acquisition device, comprise microprocessor, analog input module, switching input module, Amplification and insulation circuit, photoelectric isolating circuit, data acquisition module, front end modulate circuit, LCD display and USB interface, the signal output part of described analog input module is connected with the signal input part of described Amplification and insulation circuit, the signal output part of described switching input module is connected with the signal input part of described photoelectric isolating circuit, the signal output part of described Amplification and insulation circuit and described photoelectric isolating circuit is connected with the signal input part of described front end modulate circuit, the signal output part of described front end modulate circuit is connected with the signal input part of described data acquisition module, the signal output part of described data acquisition module is connected with described USB interface.
Further, described front end modulate circuit comprises the first amplifier, the second amplifier, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance and the 6th resistance, the first end of described the first resistance is connected with the negative input of described the first amplifier with the first end of described the second resistance, the second end of described the second resistance is connected with the first end of described the 3rd resistance with the output terminal of described the first amplifier, the electrode input end of described the first amplifier is connected with the first end of described the 6th resistance with the first end of described the 5th resistance respectively, the second end of described the 6th resistance respectively with the first end of described the 4th resistance, the output terminal of the second amplifier is connected with the negative input of the second amplifier.
As preferably, described embedded data acquisition device also comprises real time clock circuit, and the signal input part of described real time clock circuit is connected with the signal output part of described microprocessor.
The invention has the beneficial effects as follows:
Adopt technique scheme, the present invention can make the range of application of data acquisition and controlling system further expand, there is higher versatility, and when expanding upgrading, needn't carry out larger change to whole system, aspect the real-time of system and reliability, have very strong advantage, the present invention also has the advantages such as cost is low, low in energy consumption.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of embedded data acquisition device of the present invention;
Fig. 2 is the circuit diagram of front end modulate circuit in the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail:
As shown in Figure 1, embedded data acquisition device of the present invention, comprise microprocessor, analog input module, switching input module, Amplification and insulation circuit, photoelectric isolating circuit, data acquisition module, front end modulate circuit, LCD display and USB interface, the signal output part of described analog input module is connected with the signal input part of described Amplification and insulation circuit, the signal output part of described switching input module is connected with the signal input part of described photoelectric isolating circuit, the signal output part of described Amplification and insulation circuit and described photoelectric isolating circuit is connected with the signal input part of described front end modulate circuit, the signal output part of described front end modulate circuit is connected with the signal input part of described data acquisition module, the signal output part of described data acquisition module is connected with described USB interface.Described embedded data acquisition device also comprises real time clock circuit, and the signal input part of described real time clock circuit is connected with the signal output part of described microprocessor.
As shown in Figure 2, described front end modulate circuit comprises the first amplifier A1, the second amplifier A2, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5 and the 6th resistance R 6, the first end of described the first resistance R 1 is connected with the negative input of described the first amplifier A1 with the first end of described the second resistance R 2, the second end of described the second resistance R 2 is connected with the first end of described the 3rd resistance R 3 with the output terminal of described the first amplifier A1, the electrode input end of described the first amplifier A1 is connected with the first end of described the 6th resistance R 6 with the first end of described the 5th resistance R 5 respectively, the second end of described the 6th resistance R 6 respectively with the first end of described the 4th resistance R 4, the output terminal of the second amplifier A2 is connected with the negative input of the second amplifier A2.
Claims (3)
1. an embedded data acquisition device, it is characterized in that: comprise microprocessor, analog input module, switching input module, Amplification and insulation circuit, photoelectric isolating circuit, data acquisition module, front end modulate circuit, LCD display and USB interface, the signal output part of described analog input module is connected with the signal input part of described Amplification and insulation circuit, the signal output part of described switching input module is connected with the signal input part of described photoelectric isolating circuit, the signal output part of described Amplification and insulation circuit and described photoelectric isolating circuit is connected with the signal input part of described front end modulate circuit, the signal output part of described front end modulate circuit is connected with the signal input part of described data acquisition module, the signal output part of described data acquisition module is connected with described USB interface.
2. embedded data acquisition device according to claim 1, it is characterized in that: described front end modulate circuit comprises the first amplifier, the second amplifier, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance and the 6th resistance, the first end of described the first resistance is connected with the negative input of described the first amplifier with the first end of described the second resistance, the second end of described the second resistance is connected with the first end of described the 3rd resistance with the output terminal of described the first amplifier, the electrode input end of described the first amplifier is connected with the first end of described the 6th resistance with the first end of described the 5th resistance respectively, the second end of described the 6th resistance respectively with the first end of described the 4th resistance, the output terminal of the second amplifier is connected with the negative input of the second amplifier.
3. embedded data acquisition device according to claim 1, is characterized in that: described embedded data acquisition device also comprises real time clock circuit, and the signal input part of described real time clock circuit is connected with the signal output part of described microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210281791.0A CN103576586A (en) | 2012-08-09 | 2012-08-09 | Embedded data collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210281791.0A CN103576586A (en) | 2012-08-09 | 2012-08-09 | Embedded data collecting device |
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| Publication Number | Publication Date |
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| CN103576586A true CN103576586A (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210281791.0A Pending CN103576586A (en) | 2012-08-09 | 2012-08-09 | Embedded data collecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106154956A (en) * | 2016-08-29 | 2016-11-23 | 苏州盖恩茨电子科技有限公司 | A kind of intelligent electric-controlled drive-type temperature control simple two-way signal harvester |
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| CN201402398Y (en) * | 2009-04-29 | 2010-02-10 | 上海新华控制技术(集团)有限公司 | Novel data acquisition and transmission instrument |
| CN101739010A (en) * | 2009-11-19 | 2010-06-16 | 北京数码大方科技有限公司 | Embedded data acquisition device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154956A (en) * | 2016-08-29 | 2016-11-23 | 苏州盖恩茨电子科技有限公司 | A kind of intelligent electric-controlled drive-type temperature control simple two-way signal harvester |
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Application publication date: 20140212 |