CN207380111U - WIFI digital oscilloscopes - Google Patents

Abstract

The utility model discloses WIFI digital oscilloscopes,Including waveform acquisition module,MCU processing modules and WIFI communication modules,Waveform acquisition module includes High Speed Analog amplifier unit,A/D converter and FPGA control interface units,The wherein control of FPGA control interface units and reading A/D converter data-signal,And the access interface as MCU processing modules carries out information exchange,MCU processing modules include the core processor using STM32F407VE as system,The waveform acquisition data received are uploaded to the WIFI communication modules of smart machine,And when the WIFI communication modules of smart machine have instruction,It parses and handles the instruction,WIFI communication modules include the ESP8266 modules of An Xinke companies,For establishing the communication between WIFI digital oscilloscopes and intelligence equipment.

Description

WIFI digital oscilloscopes

Technical field

The present invention relates to digital oscillographic technique field, more particularly to WIFI digital oscilloscopes.

Background technology

At present, oscillographic technique is generally measured the signal waveform of observation electron product circuit plate output by desk-top oscillograph, Desk-top oscillograph needs to be powered using 220V power supplys, therefore signal output waveform can be influenced be subject to industrial frequency noise, and platform Formula oscillograph is bulky, measures and is restricted in narrow and small measurement space, and waveform shows and is only limitted to desk-top oscillograph face The components such as the display screen on plate, operational and controlled key button may be contained on oscilloscope panel, and significant limitation is brought to oscillograph.

So the present invention provides a kind of new scheme to solve the problems, such as this.

The content of the invention

For the above situation, to overcome the defect of the prior art, the present invention's is designed to provide WIFI digital oscilloscopes, Be skillfully constructed, the characteristic of human oriented design, overcome that prior art oscillograph limitation is big, is asked by the technology of Hz noise Topic.

Its technical solution solved is WIFI digital oscilloscopes, including waveform acquisition module, MCU processing modules and WIFI Communication module, the waveform acquisition module include High Speed Analog amplifier unit, A/D converter and FPGA control interface lists Member, wherein FPGA control interface units control and read A/D converter data-signal, and as the visit of MCU processing modules Ask that interface carries out information exchange, MCU processing modules include the core processor using STM32F407VE as system, will receive Waveform acquisition data upload to the WIFI communication modules of smart machine, and have instruction in the WIFI communication modules of smart machine When, it parses and handles the instruction, WIFI communication modules include the ESP8266 modules of An Xinke companies, for establishing WIFI numbers Communication between oscillograph and smart machine.

Preferably, the waveform acquisition module is amplified by High Speed Analog amplifier unit by waveform is gathered, and is sent to type It number is handled for AD9288 analog/digital conversion chips, FPGA control interface units realize height using the EP1C3 of altera corp Speed digital logic control and reading AD9288 chips, by the Wave data collected in storage inside, and are used as MCU processing modules Access interface carry out Wave data information exchange.

Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art:

1. High Speed Analog amplifier unit by gather waveform be amplified, be sent to model AD9288 analog/digital conversions chip into Row processing, FPGA control interface units realize high-speed digital logic control and reading using the EP1C3 of altera corp AD9288 chips, by the Wave data collected in storage inside, and the access interface as MCU processing modules carries out waveform number According to information exchange, design is using the WIFI digital oscilloscopes of electronic component and the chip composition of direct current supply instead of 220V power supplys The desk-top oscillograph of power supply eliminates industrial frequency noise interference, while is substantially reduced equipment volume again, can enter narrow space It measures, there is good Development volue and practical value.

2. establishing WIFI digital oscilloscopes by WIFI communication modules to be communicated with smart machine such as mobile phone or tablet, make WIFI digital oscilloscopes signal output waveform can be shown on smart machine, while smart machine can also be communicated by WIFI Module sends manipulation instruction manipulation WIFI digital oscilloscopes, breaks the limitation of conventional desktop oscillograph, has very high intelligence Change.

Description of the drawings

Fig. 1 is the module map of WIFI digital oscilloscopes of the present invention.

Fig. 2 is the waveform acquisition module working effect figure of WIFI digital oscilloscopes of the present invention.

Fig. 3 is the WIFI communication module communication flow diagrams of WIFI digital oscilloscopes of the present invention.

Specific embodiment

For the present invention foregoing and other technology contents, feature and effect, in following cooperation with reference to figures 1 through attached drawing 3 To in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is with specification Attached drawing is reference.

Each exemplary embodiment of the present invention is described below with reference to accompanying drawings.

Embodiment one, WIFI digital oscilloscopes, including waveform acquisition module, MCU processing modules and WIFI communication modules, institute Stating waveform acquisition module includes High Speed Analog amplifier unit, A/D converter and FPGA control interface units, wherein FPGA controls Interface unit control processed and reading A/D converter data-signal, by the Wave data after A/D converter enhanced processing It is stored in internal memory, and accesses Serial Peripheral Interface (SPI) as MCU and carry out information exchange, read Wave data, control sampling Procedure parameter, MCU processing modules include the core processor using STM32F407VE as system, the waveform acquisition that will be received Data upload to the WIFI communication modules of smart machine, and when the WIFI communication modules of smart machine have instruction, parse and locate The instruction is managed, WIFI communication modules include the ESP8266 modules of An Xinke companies, for establishing WIFI digital oscilloscopes and intelligence Communication between equipment.

Embodiment two, on the basis of embodiment one, the waveform acquisition module input mouth receives electron product circuit The signal waveform of plate output is amplified waveform is gathered by High Speed Analog amplifier unit, the analog signal handled is sent It is handled to model AD9288 analog/digital conversion chips, analog signal is made to be converted into digital signal, FPGA control interface units It realizes high-speed digital logic control using the EP1C3 of altera corp and reads AD9288 chip internal Wave datas, will adopt The Wave data collected is in internal memory storage, and the access interface as MCU processing modules carries out Wave data information exchange.

Embodiment three, on the basis of embodiment two, the WIFI communication modules communication process is as follows：

1.MCU processing modules generate a WIFI oscilloscope signal by configuring ESP8266 modules；

2. smart machine such as mobile phone or tablet search for WIFI oscillographs by udp broadcast, WIFI oscillographs are with informing its IP Location；

3. smart machine establishes the TCP communication with WIFI oscillographs, and starts error-free communication.

When the present invention is specifically used, waveform acquisition module input mouth receives the signal wave of electron product circuit plate output Shape is amplified waveform is gathered by High Speed Analog amplifier unit, the analog signal handled is sent to model AD9288 Analog/digital conversion chip is handled, and analog signal is made to be converted into digital signal, and FPGA control interface units use altera corp EP1C3 come realize high-speed digital logic control and read AD9288 chip internal Wave datas, the Wave data that will be collected In internal memory storage, and the access interface as MCU processing modules carries out Wave data information exchange, MCU processing module bags The core processor using STM32F407VE as system is included, the waveform acquisition data received are uploaded into smart machine WIFI communication modules by configuring ESP8266 modules, generate a WIFI oscilloscope signal, smart machine such as mobile phone or tablet WIFI oscillographs are searched for by udp broadcast, WIFI oscillographs inform its IP address, and smart machine is made to establish and WIFI oscillographs TCP communication, and start error-free communication, so as to which WIFI digital oscilloscopes signal output waveform can be shown on smart machine, Smart machine can also send manipulation instruction manipulation WIFI digital oscilloscopes by WIFI communication modules simultaneously.

The above is to combine specific embodiment further description made for the present invention, it is impossible to assert the present invention Specific implementation is limited only to this；For belonging to the present invention and for those skilled in the technology concerned, based on skill of the present invention Under the premise of art scheme thinking, the expansion made and operating method, the replacement of data, should all fall the scope of the present invention it It is interior.

Claims (3)

1. a kind of WIFI digital oscilloscopes exist including waveform acquisition module, MCU processing modules and WIFI communication modules, feature In, the waveform acquisition module includes High Speed Analog amplifier unit, A/D converter and FPGA control interface units, wherein FPGA control interface units control and read A/D converter data-signal, and as MCU processing modules access interface into Row information is exchanged, and MCU processing modules include the core processor using STM32F407VE as system, and the waveform received is adopted Collection data upload to the WIFI communication modules of smart machine, and when the WIFI communication modules of smart machine have instruction, parsing is simultaneously The instruction is handled, WIFI communication modules include the ESP8266 modules of An Xinke companies, for establishing WIFI digital oscilloscopes and intelligence Communication between energy equipment.

2. WIFI digital oscilloscopes as described in claim 1, which is characterized in that the waveform acquisition module is transported by High Speed Analog It puts unit and is amplified waveform is gathered, be sent to model AD9288 analog/digital conversion chips and handled, FPGA control interface lists Member is realized high-speed digital logic control and is read AD9288 chips, the waveform that will be collected using the EP1C3 of altera corp Data are in storage inside, and the access interface as MCU processing modules carries out Wave data information exchange.

3. WIFI digital oscilloscopes as claimed in claim 2, which is characterized in that the WIFI communication modules communication process is as follows：

1.MCU processing modules generate a WIFI oscilloscope signal by configuring ESP8266 modules；

2. smart machine such as mobile phone or tablet search for WIFI oscillographs by udp broadcast, WIFI oscillographs inform its IP address；

3. smart machine establishes the TCP communication with WIFI oscillographs, and starts error-free communication.