CN102506799A - Drilling parameter detector - Google Patents
Drilling parameter detector Download PDFInfo
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- CN102506799A CN102506799A CN201110329020XA CN201110329020A CN102506799A CN 102506799 A CN102506799 A CN 102506799A CN 201110329020X A CN201110329020X A CN 201110329020XA CN 201110329020 A CN201110329020 A CN 201110329020A CN 102506799 A CN102506799 A CN 102506799A
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- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 15
- 230000001133 acceleration Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 238000013500 data storage Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 230000003116 impacting effect Effects 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000004364 calculation method Methods 0.000 abstract description 3
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000165 glow discharge ionisation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
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- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention discloses a drilling parameter detector. The detector comprises a mainframe device, a sensing head device and an impact device. The mainframe device comprises a data processing module, a microprocessor and a display module. The sensing head device comprises a stress sensor (such as an acceleration transducer and the like) and an inertial navigation element. The impact device is an impact generator (such as a wooden hand hammer and the like) capable of generating high impact energy. The drilling parameter detector disclosed by the invention has a compact structure and is convenient to use. A required signal can be conveniently acquired by using the stress sensor and the inertial navigation element, so that the measurement and calculation of the depth of a drilled hole and the opening three-dimensional space stereoscopic azimuth angle of the drilled hole are realized by the microprocessor, and thus, the problems that in the prior art, the depth of the drilled hole is difficult to measure and the three-dimensional space opening angle (such as the inclination angle and the azimuth angle) of the drilled hole cannot be accurately measured are solved.
Description
Technical Field
The invention relates to the technical field of drilling machines, in particular to a drilling parameter detector for measuring the depth of a drilled hole and the three-dimensional space opening angle (inclination angle and azimuth angle) of the drilled hole.
Background
In the drilling process of the drilling machine, the drilling parameters of the drilling machine need to be detected so as to master the drilling condition in time. At present, measurement while drilling is generally used, but the technology is mainly used for a kilometer drilling machine with the characteristics of large pipe diameter of a drill rod, no rotation of the drill rod and the like, and the prior art can not well meet the measurement requirements of drilling parameters of the drilling machine due to the characteristics of small pipe diameter of the drill rod, rotation of the drill rod and the like of a common drilling machine. Therefore, it is necessary to design a drilling parameter detection device which can adapt to the characteristics of a common drilling machine.
Disclosure of Invention
In view of this, the present invention provides a drilling parameter detector, which solves the problems in the prior art that the depth of the drilled hole is difficult to measure, and the three-dimensional drilling angle cannot be accurately measured.
The purpose of the invention is realized by the following technical scheme:
the drilling parameter detector comprises a host device, a sensing head device and an impact device;
the host device comprises a data processing module, a microprocessor and a display module, the sensing head device comprises a stress sensor and an inertial navigation element, the stress sensor is used for capturing vibration waveforms of shock vibration waves transmitted in a drill rod and outputting the captured data to the data processing module, the inertial navigation element is fixed at the tail end of the drill rod in a drill hole and is parallel to the drill rod, the inertial navigation element is used for measuring three-axis acceleration and three-axis magnetic induction component data and outputting the data to the microprocessor, and the three-dimensional space opening angle of the inertial navigation element is calculated through the microprocessor;
the impact device is used for impacting a drill rod in a drill hole at the hole opening to generate vibration waves which are transmitted along the drill rod, the data processing module processes data and outputs the processed data to the microprocessor module, the microprocessor module calculates time difference by using the data measured by the stress sensor, and obtains a half value after multiplying the inherent transmission rate by the time difference to calculate the depth of the drill hole.
Further, the host device further comprises a data storage and transmission module for realizing data storage and external transmission;
further, the inertial navigation element comprises a three-axis magnetic induction meter and a three-axis accelerometer, which are respectively used for measuring a three-axis magnetic induction component and a three-axis acceleration component;
furthermore, the data processing module filters interference waves by adopting a digital filtering technology, so that the processor can accurately acquire the vibration waveform, and further accurately acquire the time difference.
Further, the data processing module is an FPGA, a CPLD or a microprocessor.
The invention has the beneficial effects that:
the device disclosed by the invention is compact in structure and convenient to use, and can conveniently acquire required signals through the use of the stress sensor (such as an acceleration sensor and the like) and the inertial navigation element, so that the measurement and calculation of the depth of the drilled hole and the hole opening angle of the drilled hole in the three-dimensional space are realized through the microprocessor, and the problems that the depth measurement of the drilled hole is difficult and the three-dimensional space azimuth angle of the drilled hole in the prior art cannot be accurately measured are solved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of the connection of the components of the apparatus of the present invention.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.
As shown in fig. 1, the borehole parameter detector includes a host apparatus 2 and a sensor head apparatus 1; wherein,
the host device 2 comprises a data processing module 21, a microprocessor 22 and a display module 23, the sensing head device 1 comprises a stress sensor 11 and an inertial navigation element 12, a vibration wave is applied to a drill rod in a drill hole at an orifice through a percussion device, the vibration wave is transmitted in the drill rod and returns to an attenuated vibration wave, the stress sensor 11 is used for capturing a vibration waveform of the vibration wave propagating in the drill rod and outputting captured data to the data processing module, the data processing module 21 processes the data and outputs the processed data to the microprocessor 22, the microprocessor 22 calculates a time difference by using data fed back by an accelerometer, and obtains a half value by multiplying an inherent transmission rate by the time difference to obtain the depth of the drill hole; in this embodiment, the stress sensor is an acceleration sensor, and the impact device is a wooden hammer.
The inertial navigation element 12 is fixed at the tail end of a drill rod in a drill hole and is parallel to the drill rod, and is used for measuring three-axis acceleration and three-axis magnetic induction component data and outputting the data to the microprocessor, and the three-dimensional space azimuth angle of the inertial navigation element is calculated through the microprocessor. In this embodiment, the inertial navigation element includes a three-axis magnetic sensor and a three-axis accelerometer, which are respectively used for measuring a three-axis magnetic induction component and a three-axis acceleration component.
According to the Euler theorem, there is the following relationship:
（2）
wherein、
、
、
Respectively, an inclination angle, an azimuth angle, a tool face angle and a magnetic inclination angle; gX、GYAnd GZFor gravitational acceleration on the instrumentProjection of the system, GN、GEAnd GDIs the projection of the gravity acceleration in a geographical coordinate system; b isX、BYAnd BZFor the projection of the magnetically induced components in the instrument coordinate system, BN、BE、BDRespectively representing north axial, east axial and earth axial magnetic field components of a geographic coordinate system;
is a transformation matrix;
is the local gravitational acceleration; b isoThe local magnetic induction intensity;
the opening angle (inclination angle and azimuth angle) can be calculated by (1) to (3):
by the formulas (4) and (5), the opening angle (inclination angle and azimuth angle) can be obtained by knowing the output of the respective components of the three-axis magnetic sensor and the three-axis accelerometer and combining the signs of the numerator and denominator of the formulas.
As a further improvement, the host device of the present invention further includes a data storage and transmission module 24 for implementing storage and external transmission of data.
In the invention, the data processing module adopts FPGA, CPLD or microprocessor, etc., and in the time difference calculation, the digital filtering technology is adopted to filter interference waves, and the correlation method is adopted to extract useful signals, so as to accurately obtain time difference parameters;
finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (5)
1. Drilling parameter detector, its characterized in that: the detector comprises a host device, a sensing head device and an impact device;
the host device comprises a data processing module, a microprocessor and a display module, the sensing head device comprises a stress sensor and an inertial navigation element, the stress sensor is used for capturing vibration waveforms of shock vibration waves transmitted in a drill rod and outputting the captured data to the data processing module, the inertial navigation element is fixed at the tail end of the drill rod in a drill hole and is parallel to the drill rod, the inertial navigation element is used for measuring three-axis acceleration and three-axis magnetic induction component data and outputting the data to the microprocessor, and the three-dimensional space opening angle of the inertial navigation element is calculated through the microprocessor;
the impact device is used for impacting a drill rod in a drill hole at the hole opening to generate vibration waves which are transmitted along the drill rod, the data processing module processes data and outputs the processed data to the microprocessor module, the microprocessor module calculates time difference by using the data measured by the stress sensor, and obtains a half value after multiplying the inherent transmission rate by the time difference to calculate the depth of the drill hole.
2. The borehole parameter detector of claim 1, wherein: the host device also comprises a data storage and transmission module used for realizing the storage and the external transmission of data.
3. The borehole parameter detector of claim 1, wherein: the inertial navigation element comprises a three-axis magnetic induction meter and a three-axis accelerometer, and is used for measuring a three-axis magnetic induction component and a three-axis acceleration component respectively.
4. The borehole parameter detector of claim 1, wherein: the data processing module filters interference waves by adopting a digital filtering technology, so that the microprocessor can accurately acquire vibration waveforms and further accurately acquire time differences.
5. The borehole parameter detector according to any of claims 1 to 4, wherein: the method is characterized in that: the data processing module is an FPGA, a CPLD or a microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110329020XA CN102506799A (en) | 2011-10-26 | 2011-10-26 | Drilling parameter detector |
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| CN201110329020XA CN102506799A (en) | 2011-10-26 | 2011-10-26 | Drilling parameter detector |
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| CN102506799A true CN102506799A (en) | 2012-06-20 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970002260A (en) * | 1995-06-29 | 1997-01-24 | 정몽원 | Method and apparatus calculating the angle in 3-dimensional space |
| CN101750046A (en) * | 2009-12-24 | 2010-06-23 | 三一重工股份有限公司 | Angle measuring device, method and engineering machine |
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- 2011-10-26 CN CN201110329020XA patent/CN102506799A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970002260A (en) * | 1995-06-29 | 1997-01-24 | 정몽원 | Method and apparatus calculating the angle in 3-dimensional space |
| CN101750046A (en) * | 2009-12-24 | 2010-06-23 | 三一重工股份有限公司 | Angle measuring device, method and engineering machine |
Non-Patent Citations (2)
| Title |
|---|
| 谈耀麟: "深钻孔测量系统", 《国外地质勘探技术》 * |
| 马芹永: "钻孔灌注桩质量检测标准及检测方法", 《西安科技学院学报》 * |
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Application publication date: 20120620 |