CN103018528A - Automatic current measurement device - Google Patents
Automatic current measurement device Download PDFInfo
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- CN103018528A CN103018528A CN 201210526279 CN201210526279A CN103018528A CN 103018528 A CN103018528 A CN 103018528A CN 201210526279 CN201210526279 CN 201210526279 CN 201210526279 A CN201210526279 A CN 201210526279A CN 103018528 A CN103018528 A CN 103018528A
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Abstract
An automatic current measurement device belongs to the technical field of monitoring and control and comprises a processor, a Hall sensor, a signal isolation unit, a signal amplification unit, a display driving unit and a display unit. The output end of the Hall sensor is connected with the input end of the signal isolation unit, the output end of the signal isolation unit is connected with the input end of the signal amplification unit, the output end of the signal amplification unit is connected with the input end of the processor, the output end of the processor is connected with the input end of the display driving unit, and the output end of the display driving unit is connected with the input end of the display unit. The automatic current measurement device has the advantages of being simple in structure, strong in stability, safe, reliable and good in timeliness.
Description
Technical field
The invention belongs to the observation and control technology field, particularly a kind of electric current self-operated measuring unit.
Background technology
Electric current refers to the displacement of electric charge.The electromotive force of power supply has formed voltage, has then produced electric field force, under the effect of electric field force, is in the electric charge generation displacement in the electric field, has formed electric current.The size of electric current is called strength of current (be called for short electric current, symbol is I), refers to pass through in the unit interval quantity of electric charge in a certain cross section of wire.The measurement of electric current refers to utilize the sensor test size of current, and the display measurement result.
Summary of the invention
Deficiency for prior art exists the invention provides a kind of electric current self-operated measuring unit.
Technical scheme of the present invention is achieved in that this electric current self-operated measuring unit comprises processor, Hall element, the signal isolated location, signal amplification unit, display driver unit and display unit, wherein the output terminal of Hall element is connected with the input end of signal isolated location, the output terminal of signal isolated location is connected with the input end of signal amplification unit, the output terminal of signal amplification unit is connected with the input end of processor, the output terminal of processor is connected with the input end of display driver unit, and the output terminal of display driver unit is connected with the input end of display unit.
Advantage of the present invention: this apparatus structure is simple, stability is strong, safe and reliable, real-time is good.
Description of drawings
Fig. 1 is electric current self-operated measuring unit sketch.
Embodiment
Detailed construction of the present invention is illustrated in conjunction with the embodiments.
This electric current self-operated measuring unit sketch as shown in Figure 1, the processor selection model is AT89C52, it is SS340RT that Hall element is selected model.
This electric current self-operated measuring unit comprises processor, Hall element, signal isolated location, signal amplification unit, display driver unit and display unit, wherein the output terminal of Hall element is connected with the input end of signal isolated location, the output terminal of signal isolated location is connected with the input end of signal amplification unit, the output terminal of signal amplification unit is connected with the input end of processor, the output terminal of processor is connected with the input end of display driver unit, and the output terminal of display driver unit is connected with the input end of display unit.
Claims (1)
1. electric current self-operated measuring unit, it is characterized in that: comprise processor, Hall element, signal isolated location, signal amplification unit, display driver unit and display unit, wherein the output terminal of Hall element is connected with the input end of signal isolated location, the output terminal of signal isolated location is connected with the input end of signal amplification unit, the output terminal of signal amplification unit is connected with the input end of processor, the output terminal of processor is connected with the input end of display driver unit, and the output terminal of display driver unit is connected with the input end of display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210526279 CN103018528A (en) | 2012-12-10 | 2012-12-10 | Automatic current measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210526279 CN103018528A (en) | 2012-12-10 | 2012-12-10 | Automatic current measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103018528A true CN103018528A (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210526279 Pending CN103018528A (en) | 2012-12-10 | 2012-12-10 | Automatic current measurement device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103018528A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167652A (en) * | 2017-06-28 | 2017-09-15 | 亿信标准认证集团四川有限公司 | Detection means on electronic product electric current |
| CN107340423A (en) * | 2017-06-28 | 2017-11-10 | 亿信标准认证集团四川有限公司 | Fail safe instrument based on omnidirectional detection household products |
-
2012
- 2012-12-10 CN CN 201210526279 patent/CN103018528A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167652A (en) * | 2017-06-28 | 2017-09-15 | 亿信标准认证集团四川有限公司 | Detection means on electronic product electric current |
| CN107340423A (en) * | 2017-06-28 | 2017-11-10 | 亿信标准认证集团四川有限公司 | Fail safe instrument based on omnidirectional detection household products |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130403 |