Equipment power consumption acquiring device with various interfaces
A technology for collecting device and equipment power consumption, which is applied in the direction of measuring devices, instruments, measuring electronics, etc., can solve problems such as differences, affecting power consumption waveform analysis, and inability to test power consumption changes, etc., to achieve the goal of reducing volume and reducing production costs Effect
Inactive Publication Date: 2015-04-29
SHANGHAI GUANYUAN INFORMATION TECH
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Abstract
An equipment power consumption acquiring device with various interfaces comprises a plurality of interfaces connected with a sampling amplifying circuit through sampling signal lines, an oscilloscope connected with the output end of the sampling amplifying circuit, and a microcontroller connected with the interfaces through data control lines. A relay or variable resistor is arranged between the interfaces and the sampling amplifying circuit and outputs analog signals from the interfaces to the sampling amplifying circuit, a GPIO port of the microcontroller is connected with a grid of an isolation MOS tube and controls connection and disconnection of the isolation MOS tube, a drain of the isolation MOS tube is connected with a first ground line, and a source is connected with a second ground line. On a same circuit board (in a same device) can acquire power variation information of equipment of various interfaces respectively (asynchronously), and power consumption variation of the equipment to be measured can be completely accurately recorded in real time. Meanwhile, by the equipment power consumption acquiring device, the physical structure of the equipment to be measured can be kept original without damage.
Application Domain
Electrical testing
Technology Topic
Ground lineSignal lines +9
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Examples
- Experimental program(1)
Example Embodiment
PUM
Property | Measurement | Unit |
Bandwidth | <= 1.0 | GHz |
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