Power supply control method and system for logging-while-drilling detection pipe in underground coal mine
A logging-while-drilling and power control technology, which is applied to mining equipment, mining equipment, earthwork drilling, etc., can solve the problems of discontinuous and unreliable logging data, and achieve data discontinuity, avoid invalid work, and prolong The effect of power-on time
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[0037] Example 1
[0038] Such as figure 1 This embodiment shows a flow chart of a method for controlling the power supply of a logging while drilling probe pipe in a coal mine underground. First, power on the logging while drilling probe for the first time to ensure that both the inclinometer unit and the gamma detection unit work normally, and then perform the following control process:
[0039] Monitor the vibration of the logging while drilling probe;
[0040] If the monitored vibration is not greater than the preset vibration threshold, and the duration is t 1 , Both the gamma detection unit and the inclinometer unit of the logging carbon tube maintain the state of the previous moment (ie sleep or power supply); if the duration is T 1 ≤t 2 , Execute A process; if the duration is T 2 ≤t 3 , Execute the process B; if the duration of the vibration state t≥T 3 , Execute the C process.
[0041] If the monitored vibration is greater than the preset vibration threshold, the state lasts ...
Example Embodiment
[0051] Example 2
[0052] This embodiment discloses a coal mine logging while drilling probe power supply control system. The system includes the following modules:
[0053] Vibration monitoring module, used to monitor the vibration of the logging while drilling probe;
[0054] The state judgment module is used to judge whether the vibration value of the monitoring while drilling probe pipe is greater than the threshold and the duration is t 1 , T 1 ≤t 2 , T 2 ≤t 3 Or t≥T 3 ;
[0055] The power supply control module of the inclinometer unit and the gamma detection unit is used to determine that the vibration is not greater than the preset vibration threshold and the duration is t according to the state judgment module 1 When, control the inclinometer unit and gamma detection unit to maintain the state of the previous moment,
[0056] Or according to the state judgment module to judge that the vibration is not greater than the preset vibration threshold and the duration is T 1 ≤t 2 When ...
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