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A signal acquisition terminal and test box data acquisition system

A technology of signal acquisition and test chamber, applied in signal transmission system, electrical signal transmission system, instrument, etc.

Active Publication Date: 2016-03-02
江苏杰瑞信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the face of the ever-increasing number of test chambers and test tasks, and the night duty situation, the above-mentioned working mode is dwarfed by others

Method used

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  • A signal acquisition terminal and test box data acquisition system
  • A signal acquisition terminal and test box data acquisition system
  • A signal acquisition terminal and test box data acquisition system

Examples

Experimental program
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Embodiment 1

[0036] Embodiment 1, with reference to figure 1 , Figure 3-4 , a signal acquisition terminal, comprising an STM32F103 processor, a signal acquisition interface, an RS-485 communication interface and an RS-232 communication interface;

[0037] The signal acquisition interface is connected to the I / O port of the STM32F103 processor;

[0038] The RS-485 communication interface is connected to the second UART of the STM32F103 processor;

[0039] The RS-232 communication interface is connected to the third UART of the STM32F103 processor;

[0040] The signal acquisition interface is composed of three acquisition modules with the same structure, and the acquisition pins of INPUT0, INPUT1, and INPUT2 are provided externally, and those connected to the STM32F103 processor are respectively INPUT0_CPU, INPUT1_CPU, and INPUT2_CPU pins; the INPUT0_CPU is connected to the STM32F103 processor I / O pins of PB12; INPUT1_CPU is connected to the I / O pins of STM32F103 processor PB13; INPUT2_C...

Embodiment 2

[0050] Embodiment 2, with reference to figure 2 , a test box data acquisition system, the system uses several signal acquisition terminals as claimed in claim 1, each signal acquisition terminal is connected to a test box correspondingly, the signal acquisition interface of the signal acquisition terminal and RS-232 communication The interface is connected to the test box, and the RS-485 communication interface is connected to the RS-485 network. The information collected by different test boxes is sent to the central control room for centralized processing through the RS-485 network;

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Abstract

The invention relates to a signal collection terminal. The signal collection terminal comprises a processor, a signal collection interface, an RS-485 communication interface and an RS-232 communication interface, wherein the signal collection interface is connected to an I / O (input / output) port of the processor; the RS-485 communication interface is connected to a second UART (universal asynchronous receiver transmitter) of the processor; the RS-232 communication interface is connected to a third UART of the processor. The invention further discloses a test box data collection system. The system uses a plurality of signal collection terminals, each signal collection terminal is correspondingly connected with one test box, the signal collection interfaces and RS-232 communication interfaces of the signal collection terminals are connected to the test boxes, and the RS-485 communication interfaces are connected to an RS-485 network. The test box data collection system disclosed by the invention can perform equipment networking and centralized display and control of the test boxes of different manufacturers, is combined with a large screen for display, and can perform early warning and alarm on key operation indexes of the test boxes so as to greatly reduce the working strength of staff on duty.

Description

technical field [0001] The present invention relates to a collection device for industrial control equipment, in particular to a signal collection terminal using RS-485 network communication; the present invention also relates to a test box data collection system using the aforementioned signal collection terminal. Background technique [0002] In the environmental and reliability testing of electromechanical equipment, aging testing of electronic components, and electromagnetic compatibility testing, the equipment under test needs to run in the test chamber for different periods according to the requirements of the test program. During the test period, the operating status of each test chamber needs to be regularly inspected and recorded manually, and it is also necessary to intervene in sudden emergencies. This mode of work requires one-on-one responsibility of a dedicated person and a special box, which can meet the situation of few test tasks and a small number of test b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08C19/30
Inventor 吴茂传胡昌平朱建培刘烨杨光年张海瑞田亚丽陈端迎张桂平于帅匡海松
Owner 江苏杰瑞信息科技有限公司
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