Noise immunity multichannel parameter monitoring system

A multi-channel and monitoring system technology for immunity, which is applied in the field of multi-channel electrical parameter monitoring systems for immunity testing, can solve the problems of reduced test accuracy, many equipment manpower and resources, and poor repeatability, etc., to achieve Improving quality control, improving process, and enriching the effect of expression

Active Publication Date: 2012-12-05
INTERTEK TESTING SERVICES
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Problems solved by technology

[0003] The existing technology usually uses oscilloscopes, multimeters or other data acquisition and recording equipment to monitor and record parameters, which requires more equipment, manpower and resources, and t

Method used

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  • Noise immunity multichannel parameter monitoring system
  • Noise immunity multichannel parameter monitoring system
  • Noise immunity multichannel parameter monitoring system

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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0020] see figure 1 , figure 1 It is a block diagram of the immunity multi-channel parameter monitoring system of the present invention. The immunity multi-channel parameter monitoring system includes a test host 11 , a monitoring host 12 , at least one data acquisition card (Data Acquisition, DAQ) 13 and a data collector 14 . The data acquisition card 13 is used to collect monitoring parameters of multiple test channels of a device under test (DUT) 15 , and send the collected parameter signals to the monitoring host 12 . The monitoring host 12 receives the parameter signal sent by the data acquisition card 13 and the test signal sent by the test host 11, and judges whether the monitoring parameter exceeds the alarm limit range, if the monitoring parameter excee...

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Abstract

The invention relates to a noise immunity multichannel parameter monitoring system which comprises a test host, a monitoring host, a data acquisition device and at least one data acquisition card. A data acquisition card acquires a monitoring parameter and sends an acquired parameter signal to the monitoring host; the monitoring host receives the parameter signal and a test signal sent by the test host, judges whether the monitoring parameter exceeds an early warning limitative range and sends a monitoring parameter abnormal alarm signal; the data acquisition device receives the monitoring parameter abnormal alarm signal and forwards the alarm signal to the test host; the test host sets an interference source frequency and sends a test signal to the monitoring test; and the test host receives the alarm signal and regulates the intensity of the test signal according to the alarm signal. The noise immunity multichannel parameter monitoring system disclosed by the invention adopts few monitoring instruments, occupies a small area, is saving in manpower resources, has good accuracy and high efficiency, can be used for carrying out real-time recording of monitored data and has good repeatability.

Description

technical field [0001] The invention relates to an electrical signal monitoring system, in particular to a multi-channel electrical parameter monitoring system for immunity testing. Background technique [0002] With the increasing development of the electronic technology of auto parts, more and more electronic parts (such as ignition coils, lights, indicator lights, antenna lifters, GPS global positioning systems, etc.) Advanced electronic components implement extremely diverse functions inside the car (such as driving safety functions, indicating functions, anti-theft functions, control functions during driving, driver comfort adjustment functions and entertainment functions, etc.). However, so many electronic components are used in automobiles, and interference signals will be generated between the components, which will lead to more and more prominent problems of Electromagnetic Compatibility (EMC) between electronic components. The anti-interference ability also puts f...

Claims

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Application Information

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IPC IPC(8): G05B19/418G05B19/048
CPCY02P90/02
Inventor 陆晖张元惠
Owner INTERTEK TESTING SERVICES
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