Portable WiFi virtual oscilloscope

An oscilloscope, a portable technology, applied in the direction of instruments, digital variable display, digital variable/waveform display, etc., can solve the problems of unfavorable promotion and high price

Inactive Publication Date: 2016-11-02
LONGYAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are some small high-end hand-held instruments both at home and abroad, but due to the high price, there are still certain conditions and restrictions, which is not conducive to promotion

Method used

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  • Portable WiFi virtual oscilloscope
  • Portable WiFi virtual oscilloscope
  • Portable WiFi virtual oscilloscope

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Embodiment Construction

[0019] The present invention will be further explained below in conjunction with the drawings:

[0020] Such as figure 1 Shown: Including coupling circuit, signal conditioning circuit, trigger circuit, STM32 single-chip microcomputer, power supply, WiFi transmitter module and Android client display terminal, the signal output terminal of the coupling circuit is respectively connected with the input terminal of the signal processing circuit and the STM32 single-chip microcomputer The first input terminal is connected, the output terminal of the signal arranging circuit is respectively connected with the trigger circuit and the input terminal of the STM32 single-chip microcomputer, the signal transmission terminal of the trigger circuit is connected with the signal transmission terminal of the STM32 single-chip microcomputer, so The signal transmission terminal of the STM32 single-chip microcomputer is connected to the Android client display terminal through the WiFi transmitting mo...

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Abstract

The invention discloses a portable WiFi virtual oscilloscope comprising a coupling circuit, a signal conditioning circuit, a triggering circuit, a STM32 single-chip microcomputer, a power supply, a WiFi emission module, and an Android client display end. On the basis of a common digital oscilloscope, in combination with the advantages of a current dominant operation system, and in virtue of a WiFi communication way, the digital oscilloscope is applied to an operating system Android platform and a characteristic of separating data acquisition and waveform display is achieved. An Android application program is designed as a display end to display waveforms, frequencies, and amplitudes, and can be used as a host computer to send trigger instructions to a slave computer. The slave computer mainly processes acquired electric signals on the basis of the internal A/D of the STM32 single-chip microcomputer, sends data via a serial port in virtue of the WiFi emission module. The Android client display end displays waveforms. The portable WiFi virtual oscilloscope enables people to conveniently research the change processes of various electric phenomena, provides measurement technical support at first time, achieves separation between a measuring end and an observation end and multi-user simultaneous measurement result observation and measurement control.

Description

Technical field [0001] The invention relates to a WiFi oscilloscope, in particular to a portable WiFi virtual oscilloscope. Background technique [0002] Oscilloscope is one of the most basic, most versatile and most important electronic instruments in today's electronic measuring instruments, and its application scope and application fields are very wide. At present, oscilloscopes on the market are generally large in size, not so small, inconvenient to carry, high working voltage, can not realize the separation of data acquisition and waveform display, and can not realize simultaneous observation and measurement by multiple people. As one of the most important tools for field testing today, oscilloscopes are very useful in verifying and solving complex problems, and can meet the needs of field engineers. At present, there are some small high-end handheld instruments at home and abroad, but due to the high price, there are certain conditions and restrictions, which are not condu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R13/02
CPCG01R13/0209
Inventor 蔡小伟黄桂萍张士钱范宜标
Owner LONGYAN UNIV
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