A mechanical microseismic source and monitoring system and method of use
A technology of microseismic monitoring and seismic source, which is applied in seismology, measuring devices, geophysical measurement, etc., can solve the problems of high manpower, material and financial resources, low manual picking accuracy, mixed blasting events, etc., and achieve low seismic source frequency and use The process is safe and fast, with little impact on the effect
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Embodiment 1
[0040]A mechanical microseismic source, the microseismic source includes a driving power, a pressure accumulator cavity, a safety valve, and an energy projecting head; the driving power includes a motor (2), a flywheel (3), and a crankshaft (4); the pressure accumulating The cavity includes a piston (8) and a cylinder (9); the motor (2) is electrically connected to the electronic switch (1), and the electronic switch (1) controls the on-off of the power supply of the motor (2), and the output of the motor (2) The flywheel (3) is driven, and the flywheel (3) is connected to one end of the crankshaft (4); the other end of the crankshaft (4) is connected to the connecting rod (6) arranged on the piston (8), and the driving piston (8) is connected to the cylinder ( 9) reciprocating motion; on the cylinder (9), there is also 1 air outlet and 2 air inlets; the air outlet is connected with a safety valve (11) and an energy shooter (13) in sequence; the 2 Air intake valves (10) are re...
Embodiment 2
[0043] A mechanical microseismic source, the difference from Embodiment 1 is:
[0044] An electronic switch (1) is connected to three driving powers at the same time, and a network is formed to realize simultaneous triggering of multiple seismic sources; the driving power is consistent with the number of pressure storage chambers.
Embodiment 3
[0046] A microseismic monitoring system comprising a mechanical microseismic source, comprising a microseismic source, a signal fidelity box (5), a microseismic signal monitoring device (7), a control computer (12), and a microseismic sensor (14), characterized in that: the microseismic source The electronic switch (1) is electrically connected to the control computer (12); one end of the microseismic signal monitoring device (7) is electrically connected to the control computer (12), and the other end is electrically connected to the signal preservation box (5) and the microseismic sensor (14) successively. Connected, the microseismic sensor (14) is arranged on the periphery of the energy-emitting head in the micro-seismic source, with an average distance of 50 meters from the energy-emitting head.
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