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A rock movement sensor for use during blasting

A technology of mobile sensors and rocks, applied in blasting, blasting barrels, acceleration measurement using inertial force, etc., can solve problems such as inability to meet basic measurement standards, poor excavability and fragmentation at the reflecting site

Active Publication Date: 2017-09-26
MINDSPARK TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One reason is that inaccurate drilling may reflect a site's inability to meet basic metrics that define how close to best practice
In short, sloppy drilling will lead to sloppy blasting, and thus poor excavability and fragmentation

Method used

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  • A rock movement sensor for use during blasting
  • A rock movement sensor for use during blasting
  • A rock movement sensor for use during blasting

Examples

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Embodiment Construction

[0045] now refer to figure 2 , depicts a rock movement sensor 1 for use during blasting according to a preferred embodiment of the present invention. The rock movement sensor 1 comprises an inertial measurement assembly in the form of an inertial measurement unit 3 . The inertial measurement assembly may include a single three-axis accelerometer 19 and a single three-axis gyroscope 21 . However, in a preferred embodiment the inertial measurement assembly also includes a three-axis magnetometer 23 .

[0046] The inertial measurement assembly includes a dedicated IMU processor 25 that processes position data from the accelerometer 19 , gyroscope 21 and magnetometer 23 as is known in the IMM art. IMU processor 25 is in electrical communication with processor 5 via a serial data link. The IMU processor 25 samples signals from each of the three-axis accelerometer, gyroscope, and magnetometer at a sampling rate of approximately 1 kHz. If desired, the inertial measurement assemb...

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Abstract

The present invention provides a rock movement sensor including an inertial measurement assembly, a control assembly responsive to said inertial measurement assembly and a communication assembly coupled to the control assembly. The control assembly is arranged to determine a displacement associated with a blast or drop based on signals from the inertial measurement assembly. The communication assembly is preferably a wireless communication assembly. A surface unit corresponding to the rock movement sensor is provided which includes a processor programmed to operate a communications assembly to receive displacement data from the rock movement sensor. Consequently, the movement of an ore body due to a blast may be determined by locating a number of the rock movement sensors at known locations about the ore body prior to the blast and subsequently retrieving data values indicating a displacement relative to the known locations from the rock movement sensor post blast.

Description

technical field [0001] The present invention relates to an apparatus and method for measuring the movement of ore bodies due to blasting. The present invention can also be used to measure parameters associated with other significant rapid displacement events. For example, it can be used to measure parameters associated with a drop or fall. Background technique [0002] Any reference to methods, apparatus or documents of the prior art should not be taken as constituting any evidence or admission that they form nor form part of the common general knowledge. [0003] Geologists spend many hours and a lot of computing time simulating the distribution of minerals throughout rock masses. Significant investment is also made in exploratory drilling and analyzing minerals before geostatistical techniques are applied to the collected data to interpolate the extent and distribution of valuable metals contained in the ore. There is a great deal of work in this area so that the block ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/00G01P13/00F42B3/04G01V15/00E21C47/00
CPCG01P13/00F42D3/04E21F17/18G01V1/184G01V15/00E21C37/00G01P15/02
Inventor P.J.沃特勒
Owner MINDSPARK TECH
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