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Synchronous acquisition system of analog signals, corresponding method and storage medium

An analog signal and synchronous acquisition technology, applied in the direction of measuring devices, instruments, measuring electrical variables, etc., can solve the problem of not being able to observe multiple analog signals at the same time

Inactive Publication Date: 2020-04-03
SHENZHEN CITY SIGLENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem mainly solved by the present invention is how to solve the problem that a single oscilloscope cannot simultaneously observe multiple analog signals exceeding the number of its own analog channels

Method used

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  • Synchronous acquisition system of analog signals, corresponding method and storage medium
  • Synchronous acquisition system of analog signals, corresponding method and storage medium
  • Synchronous acquisition system of analog signals, corresponding method and storage medium

Examples

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Embodiment 1

[0033] Please refer to figure 1 , the present application discloses a synchronous acquisition system 1 for analog signals, which includes two oscilloscopes, one of which is a master oscilloscope 11, and the other is a slave oscilloscope 12, and the master oscilloscope 11 and the slave oscilloscope 12 are connected by communication and form a master-slave communication relation.

[0034] In this embodiment, both the master oscilloscope 11 and the slave oscilloscope 12 can receive analog signals through their own BNC interface, for example, the master oscilloscope 11 receives the analog signal L1, and the slave oscilloscope 12 receives the analog signal L2, so that the two The oscilloscope respectively receives one analog signal and performs sampling processing and display processing on the received analog signal respectively. Both the master oscilloscope 11 and the slave oscilloscope 12 can be contemporary digital oscilloscopes, which have multiple BNC interfaces to collect an...

Embodiment 2

[0045] Please refer to Figure 4 , on the basis of the synchronous acquisition system disclosed in the first embodiment, the present application also discloses a modified technical solution, so that the synchronous acquisition system claimed in the second embodiment includes a plurality of oscilloscopes, one of which is the main oscilloscope, and the other oscilloscopes is the slave oscilloscope 12 , and the others are slave oscilloscopes (such as reference numerals 12 , 13 ). The master oscilloscope 11 is communicatively connected to the slave oscilloscopes 12 , 13 .

[0046] In this embodiment, between the master oscilloscope 11, the slave oscilloscope 12, and the slave oscilloscope 13 are Figure 4 The serial communication connection mode shown in , that is, the communication connection between the master oscilloscope 11 and the slave oscilloscope 12 and the signal interaction between the two, the communication connection between the slave oscilloscope 12 and the slave osci...

Embodiment 3

[0056] Please refer to Image 6 , the present application discloses a synchronous acquisition method for multiple oscilloscopes, which includes steps S100-S400, which will be described in detail below.

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Abstract

The invention relates to an analog signal synchronous acquisition system, a corresponding method and a storage medium, the system comprises a plurality of oscilloscopes, one oscilloscope is a master oscilloscope, the other oscilloscopes are slave oscilloscopes, and the master oscilloscope and the slave oscilloscopes are in communication connection; the synchronous acquisition method executed by the master oscilloscope comprises the following steps: when the master oscilloscope starts acquisition of an analog signal, synchronously controlling the slave oscilloscope to start acquisition of the analog signal; and detecting and controlling the storage processes of the main oscilloscope and the slave oscilloscope for the respective acquired data according to the trigger condition of the main oscilloscope in analog signal acquisition by the main oscilloscope, and starting the next round of acquisition after the synchronization reaches a full-frame state. Because the communication connectionrelationship between the master oscilloscope and the slave oscilloscope is established in the plurality of oscilloscopes, the master oscilloscope can conveniently control the slave oscilloscope, thereby facilitating the starting of the slave oscilloscope to execute the same operation as the master oscilloscope in an analog signal collection process, and achieving an effect of synchronous collection.

Description

technical field [0001] The invention relates to the technical field of oscilloscopes, in particular to an analog signal synchronous acquisition system, a corresponding synchronous acquisition method and a computer-readable storage medium. Background technique [0002] At present, most oscilloscopes have some digital channels and some analog channels, so that it is convenient to use digital channels to directly detect digital signals, and use analog channels to directly detect analog signals. Get the corresponding digital signal. [0003] A single oscilloscope generally contains 1~2 ADCs (analog-to-digital converters), and an ADC generally has 1~4 input terminals. The analog channel of the oscilloscope is connected to the input terminal of the ADC, so the number of ADC input terminals will limit the oscilloscope’s The number of analog channels makes it impossible to expand the number of analog channels arbitrarily. In addition, each ADC has a maximum theoretical sampling ra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R13/00
CPCG01R13/00
Inventor 陈嘉锋郑文明李振军
Owner SHENZHEN CITY SIGLENT TECH
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