A data acquisition method of an automatic monitoring device for landslide cracks in extremely cold regions

A monitoring device and data acquisition card technology, applied in measurement devices, instruments, etc., can solve the problems of fast power consumption and short service life, and achieve the effect of solving fast power consumption, saving energy consumption, and ensuring data integrity

Active Publication Date: 2021-11-16
国网西藏电力有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

By sending the changed data to the remote, a lot of energy consumption for data transmission is saved, and the problem of fast power consumption and short service life of the remote automatic monitoring device is solved

Method used

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  • A data acquisition method of an automatic monitoring device for landslide cracks in extremely cold regions
  • A data acquisition method of an automatic monitoring device for landslide cracks in extremely cold regions

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Such as figure 1 As shown, a data acquisition method of a monitoring device collects data information through a data acquisition card and transmits the data to the processor. After the processor receives data once, it compares the received data with the last received data , and get the difference after comparison. When the difference exceeds the set threshold, the current data can be saved and sent to the server. By sending the changed data to the remote, a large amount of energy consumption for data transmission is saved, and the problem of fast power consumption and short service life of the remote automatic monitoring device is solved.

[0020] During implementation, the difference obtained each time is compared to obtain a linear change rate, and when the change rate exceeds a set threshold, the current data can be saved and sent to the server. The linear change rate is obtained by comparing the differences, which is suitable for monitoring change data and increasi...

Embodiment 2

[0022] Such as figure 2 As shown, a data acquisition method of an automatic landslide crack monitoring device in an extremely cold area adopts the data acquisition method described in Embodiment 1, and the output of the rope displacement sensor of the landslide crack automatic monitoring device first passes through a signal conditioning circuit and a follower circuit. Enter the analog-to-digital conversion inside MCU1, and send the digital quantity to MCU2 through the serial port. MCU2 compares the data sampled this time with the data sampled last time. If the increment or deformation rate exceeds the set threshold, the data can be saved and saved. Send it to the server, and then encrypt the data collection process. If the increment does not exceed the set threshold, it will not save or send this data to the server.

[0023] During implementation, the deformation rate setting threshold needs to be determined according to the type of the monitored landslide and the comprehensi...

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Abstract

The invention discloses a data acquisition method of an automatic monitoring device for landslide cracks in extremely cold regions. The output of the rope displacement sensor of the automatic monitoring device for landslide cracks first passes through a signal conditioning circuit and a follower circuit and then enters the analog-to-digital conversion inside MCU1 to obtain digital data. The amount is sent to MCU2 through the serial port, and MCU2 compares the data sampled this time with the data sampled last time. If the increment or deformation rate exceeds the set threshold, the data can be saved and sent to the server, and then the data collection process will be encrypted. If the increment does not exceed the set threshold, it will not save or send this data to the server. Since the wireless remote data transmission occupies most of the power of the monitoring device, when the threshold value is exceeded, the encrypted collected potential makes the data change clearer. The adaptive data transmission can not only ensure the data integrity in the key deformation stage, but also ensure the When the deformation is not large, the overall power consumption of the monitoring equipment is reduced, and the long-term stability and reliability of the monitoring device are improved.

Description

technical field [0001] The invention relates to data sampling, in particular to a data sampling method for an automatic monitoring device for landslide cracks in extremely cold regions. Background technique [0002] The high reliability and low maintenance requirements of the online landslide monitoring device in extremely cold areas, the extreme cold weather brings severe challenges to the normal operation of the landslide stability monitoring device, in the case of limited battery capacity, the low power consumption of the circuit system is It is an important prerequisite to ensure the long-term normal operation of the monitoring device. However, the remote wireless transmission of data occupies the maximum energy dissipation of the monitoring device. The secondary technical problem that needs to be solved is how to design an intelligent data acquisition method to adaptively adjust the data transmission frequency and reduce the monitoring device. the overall power consumpt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B21/02G01B21/32
CPCG01B21/02G01B21/32
Inventor 陈钢朱星邓洪赵强刘道福王文周张亚迪周泓宓士强丛鹏程晓岩崔强蔡亮唐川都亮车彬孙文成汪蔓刘健巧吴元香
Owner 国网西藏电力有限公司
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