CN111305823A - Mining drilling cableless detection system - Google Patents
Mining drilling cableless detection system Download PDFInfo
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- CN111305823A CN111305823A CN202010227982.3A CN202010227982A CN111305823A CN 111305823 A CN111305823 A CN 111305823A CN 202010227982 A CN202010227982 A CN 202010227982A CN 111305823 A CN111305823 A CN 111305823A
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- 238000005553 drilling Methods 0.000 title claims abstract description 46
- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 238000005065 mining Methods 0.000 title claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 24
- 239000000523 sample Substances 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 16
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 239000004636 vulcanized rubber Substances 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 19
- 238000005070 sampling Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
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- 239000002817 coal dust Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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Abstract
The utility model relates to a mine detection technology field provides a mining drilling cableless detection system for surveying drilling. The mining drilling cableless detection system comprises an upper computer and a host computer which are connected in a communication mode, wherein the host computer is connected with a detection tube and a depth finder respectively, the detection tube comprises a video signal processing control circuit board, an azimuth angle measuring integrated circuit board and a signal processing circuit board, the video signal processing control circuit board, the azimuth angle measuring integrated circuit board and the signal processing circuit board are connected with a battery pack, the battery pack is connected with a voltage stabilizing protection circuit board, the video signal processing control circuit board is connected with a camera, the azimuth angle measuring integrated circuit board is connected with a three-axis inclination angle sensor and a three-axis azimuth angle sensor, and the signal processing circuit board is connected with a natural gamma probe. The mining drilling cableless detection system can detect the drilling depth, the geological structure and the drilling track simultaneously, and is convenient to operate.
Description
Technical Field
The utility model relates to a mine detection technology field specifically relates to a no cable multi-parameter combination detecting system for surveying mining drilling.
Background
Unsafe hidden dangers such as gas, water inrush, coal dust, roof collapse, fire and the like under a coal mine, wherein the gas and the water inrush are two most unsafe important hidden dangers, unsafe gas drainage is a basic measure for preventing and treating gas disaster accidents of the coal mine, and from the 20 th century and the 50 th year, China takes the gas drainage as an important measure for treating the gas disaster of the coal mine and popularizes the gas drainage in high-gas and outburst mines; in 2002, the national coal mine safety supervision bureau sets up a coal mine gas control policy of 'first pumping and then mining, fixed production by wind, monitoring and controlling'; in 2006, it is determined again that coal mine gas control must be maintained, drilling holes must be drilled for gas drainage, then gas is drained cleanly through the drilling holes, and through years of efforts, coal mine underground drilling technology and equipment in China are greatly developed.
However, on one hand, the geological and coal bed diversity of China and the cultural quality of coal mine workers are generally not high, so that the drilling depth, inclination angle and azimuth angle of drilling can not meet the design requirements, gas drainage is not clean, and bad geologic bodies (collapse columns and karst collapse holes) are generated when water is drained from a drilling hole, and on the other hand, an underground coal mine logging instrument specially used for simultaneously detecting the drilling depth, geological structure and drilling track does not exist in the industry, so that certain difficulty is brought to the coal mine gas drilling depth management and water prevention and control work, certain hidden danger is buried for the future safety production, and the safety production efficiency of the coal mine industry of China is severely restricted.
Disclosure of Invention
The utility model provides a mining drilling does not have cable detecting system forms by the multi-parameter combination, can survey drilling depth, geological structure and drilling orbit simultaneously, realizes miniaturization, intellectuality and practicality. The specific technical scheme is as follows:
the utility model discloses a mining drilling cableless detection system includes host computer and host computer that the communication is connected, this host computer is connected with detecting tube and depth finder respectively, this detecting tube includes the video signal processing control circuit board, the azimuth measures integrated circuit board, the signal processing circuit board of being connected with parameter acquisition control circuit board respectively, this parameter acquisition control circuit board is connected with the group battery, this group battery is connected with steady voltage protection circuit board, this video signal processing control circuit board is connected with the camera, this azimuth and inclination measure integrated circuit board are connected with triaxial inclination sensor and triaxial azimuth sensor, this signal processing circuit board is connected with nature gamma probe.
The mining borehole cableless detection system can detect the inclination angle, the azimuth angle and the hole wall image of a borehole through the camera, the three-axis inclination angle sensor, the three-axis azimuth angle sensor and the natural gamma probe which are arranged on the detection tube, can synchronously detect the depth of the borehole through the depth finder and the host, and can upload acquired data to the upper computer through the host for analysis and drawing. The mining drilling cableless detection system can detect the drilling depth, the geological structure and the drilling track simultaneously, and is convenient to operate.
Further, this depth finder includes the mount, locates photoelectric pulse displacement sensor and the rotating shaft wheel on this mount, and this photoelectric pulse displacement sensor is connected with the host computer.
Furthermore, a lithium battery pack is arranged in the host machine, so that power can be supplied to the power utilization module in the host machine conveniently.
Furthermore, the host is connected with the probe tube through a first data transmission line, the host is connected with the depth finder through a second data transmission line, the host is connected with the upper computer through a third data transmission line, and the host is stable, reliable and fast when the data transmission lines transmit data.
Furthermore, the natural gamma probe and the signal processing circuit board are sealed into a whole by SDL (sodium dodecyl sulfate) 1-24 vulcanized rubber; the battery pack and the voltage-stabilizing protection circuit board are sealed into a whole by SDL (sodium dodecyl sulfate), namely 1-24 vulcanized rubber, so that the water resistance and the moisture resistance of the circuit module are kept.
Optionally, the camera is a dot matrix infrared camera, the irradiation distance is long, and the image quality is fine and clear.
The mining drilling cableless detection system has the effect that a single parameter is measured for 3 times, and can be operated once. The measuring efficiency and the depth measurement precision of the underground logging are greatly improved. The system of the present disclosure determines the borehole geology by logging a single hole and determines the depth, thickness, and spatial location of the formation.
The system disclosed by the invention adopts a cableless working mode for well logging (by means of a drill rod to send and take a probe tube), can measure a horizontal hole, an inclined hole and a vertical hole under a mine, can be applied to the well logging containing explosive gas, is suitable for the well logging of a traffic mine or a mountain area and the well logging of water burst or thick mud, and can also be applied to the engineering fields of highway and railway engineering exploration and the like. Under the condition of good hole condition, the condition of each point around the whole drill hole wall can be visually and clearly observed through the acquisition and playback of the video signal.
The system disclosed by the invention can measure the drilling holes with the depth of 700 mu meters after being developed and improved by the inventor for many times, has innovation points in the aspects of precision, reliability, light weight, practicality, automation and process of instruments, opens up a new technical approach for underground logging of coal mines in China, and provides reliable pre-mining exploration equipment for ensuring safe and efficient production of the mines.
The system disclosed by the invention can save the invalid drilling cost from the ground to the underground, particularly for the underground deep pre-mining exploration of a coal mine; the system can save the drilling cost from the ground by tens of thousands yuan, can determine the depth, thickness, structure and spatial position of a coal seam, and can also divide lithology and determine the accurate spatial positions of a karst development zone, a fault fracture zone, a cave, a fault and a top floor; unnecessary economic loss caused by blind mining can be avoided, and the generated economic benefit is immeasurable. In the aspect of mine safety production, the system disclosed by the invention can measure the real tracks of the gas drainage hole and the water drainage drill hole, and can improve the accuracy of drainage. So as to avoid the outburst of mine gas and water damage and ensure the safe production of the mine.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic view of a mining borehole cableless detection system according to an embodiment of the present disclosure.
Fig. 2 is a schematic connection diagram of circuit modules of a probe tube of the mining borehole cableless detection system according to the embodiment of the present disclosure.
Fig. 3 is a schematic diagram illustrating measurement of an inclination angle and an azimuth angle of a mining borehole cableless detection system according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The terms "first" or "second", etc. are used merely to distinguish the same type of component or device, and do not represent limitations.
As shown in fig. 1 and 2, the cableless detection system for a mine borehole according to the embodiment of the present disclosure includes an upper computer 1 and a host computer 2 connected in communication, where the host computer 2 is respectively connected to a probe tube 3 and a depth finder 4, the probe tube 3 includes a video signal processing control circuit board 32, an azimuth and inclination angle measuring integrated circuit board 34, and a signal processing circuit board 35, the video signal processing control circuit board 32 is respectively connected to a parameter acquisition control circuit board 33, the parameter acquisition control circuit board 33 is connected to a battery pack 31, the battery pack 31 is connected to a voltage stabilizing protection circuit board 36, the video signal processing control circuit board 32 is connected to a camera 37, the azimuth angle measuring integrated circuit board 34 is connected to a three-axis inclination angle sensor 38 and a three-axis azimuth angle sensor 40, and the signal processing.
The parameter acquisition control circuit board 33 includes a memory, a processor and interfaces connected to other circuit modules, the processor is used for storing a pre-compiled detection program and logging data acquired by the camera 37, the triaxial tilt sensor 38, the triaxial azimuth sensor 40 and the natural gamma probe 39, and the processor is used for controlling the operation of the logging program.
A lithium battery pack may be used as the battery pack 31 of the probe tube 3. The battery pack of the host machine 2 and the battery pack of the probe tube 3 can be charged by using a charger 5. The host 2 is connected with the detection tube 3 through a first data transmission line, the host 2 is connected with the depth finder 4 through a second data transmission line, and the host 2 is connected with the upper computer 1 through a third data transmission line. The natural gamma probe 39 and the signal processing circuit board 35 are sealed into a whole by SDL (sodium dodecyl sulfate) 1-24 vulcanized rubber; the battery pack 31 and the voltage-stabilizing protection circuit board 36 are sealed into a whole by SDL 1-24 vulcanized rubber.
The depth finder 4 is used for detecting the depth of the drilled hole, and the acquired depth data is read by the host machine 2 in real time; the depth finder 4 comprises a fixing frame, a photoelectric pulse displacement sensor and a rotating shaft wheel, wherein the photoelectric pulse displacement sensor and the rotating shaft wheel are fixed on the fixing frame through screws, and the photoelectric pulse displacement sensor is connected with the host machine 2.
The upper computer 1 may be a general PC computer, a tablet computer or a special upper computer. The host computer 1 is used for receiving data sent by the host computer 2 and is located outside a mine when in use. The upper computer 1 runs special software for processing data uploaded by the host computer 2 and can draw a drilling hole inclined track diagram, a rock stratum and a coal bed histogram; and (5) deriving a hole wall image file marked with the information of the drilling depth, the inclination angle and the azimuth angle.
The host 2 is used for collecting data collected by the detection tube 3 and the depth finder 4 and uploading the collected data to the upper computer 1; the host 2 is provided with a touch screen, and the frequency of the detection tube 3 can be consistent with that of the host 2 by clicking a synchronous key on the touch screen, so that the true code corresponds to the valid data, and the false code corresponds to the invalid data. The acquisition time of the host machine 2 is 1s, the memory consists of a 32GB electrostatic memory, and the acquisition or communication state of the host machine 2 is determined by the keys of the touch screen. In order to save the power supply of the detection tube 3 and store effective data, the host computer is provided with a hole-entering delay selection menu, and measurement delay setting is carried out according to actual needs, so that the loss of ineffective electric energy of the detection tube is reduced before the detection tube is sent into a drill hole. The host computer looks up and collects the original drilling data at any time, and the drilling data is processed in the data analysis software of the host computer.
Wherein, the natural gamma probe 39 is used for measuring the natural radioactivity intensity of the rock and coal bed.
The camera 37 is used for collecting and storing images of different depths of the hole wall in the memory of the detection tube 3, and data analysis and playing can be performed through data processing software on the upper computer 1. The camera 37 can be a dot matrix infrared camera, and has a long irradiation distance and fine and clear image quality. The camera 37 is installed at the most front end of the detecting tube 3, and performs video signal sampling under the condition of ensuring that the wall of the drilling hole has no impurities, and is synchronous with the sampling time of other parameters, namely, data of all parameters of the detecting tube are sequentially stored in the memory as a frame every second, so that the data are communicated to the upper computer 1 to perform drilling image releasing, synchronization of the parameters and synchronization of the time.
The three-axis inclination angle sensor 38 and the three-axis azimuth angle sensor 40 are used for acquiring inclination angle and azimuth angle data of each measuring point of a drilling hole, and a spatial drilling track diagram can be drawn through data processing software on the upper computer 1; when leaving the factory, the calibration and correction software are used for calibrating the triaxial inclination angle sensor 38 and the triaxial azimuth angle sensor 40, so that the inclination measuring accuracy meets the use requirement.
The mining borehole cableless detection system of the embodiment of the disclosure comprises: before going down the well, the detecting tube 3 and the main machine 2 are respectively fully charged, and whether the detecting tube 3 and the main machine 2 work normally or not is checked. When the underground logging of a coal mine is carried out, the host machine 2 is connected with the detecting tube 3 through a first data transmission line, the first transmission line is disconnected after time synchronization is carried out, and the host machine 2 is connected with the depth finder 4 through a second transmission line; the detection tube 3 is connected with a drill rod of a drilling machine, the drilling machine is used for sending the detection tube 3 into a drilled hole to carry out logging, the detection tube moves outwards in a stroke-by-stroke mode, and in the moving process, the host machine 2 obtains logging depth data collected by the depth finder 4 through the second data transmission line and records the logging depth data. After the detection tube 3 finishes detecting, the host 2 is connected with the detection tube 3 again through the first data transmission line, and the detection tube 3 uploads the acquired data to the host 2; the host 2 is connected with the upper computer 3 through a third data transmission line, logging data, inclination angle data, azimuth angle data, depth recording data and camera data collected by the host 2 are uploaded to the upper computer 1, and the upper computer 1 performs false-removing truth-preserving and time-depth conversion according to the data to draw a drilling hole inclined track graph, a rock stratum and a coal bed histogram; and (5) deriving a hole wall image file marked with the information of the drilling depth, the inclination angle and the azimuth angle.
The mining drilling cableless detection system disclosed by the embodiment of the disclosure adopts time interval sampling, namely 1s sampling is carried out once, the detection pipe 3 is connected to the drill rod and moves by the drill in a stroke and a stroke manner, the moving process goes through two stages of acceleration and speed stabilization, the moving speed is not constant, and therefore the distance between every two sampling points is unequal, and time-depth conversion is carried out. If the travel time of each travel time required for the drilling machine to operate is as close as possible, namely the number of sampling points M in one travel length is close, if the moving speed V of the probe tube is expressed by an M1 function, namely: f (m1)
The sampling interval of each sampling point can be calculated as follows:
ΔH1＝(mo/m).f(m1-1).Δt
in the formula: mo, m-the number of sampling points in a travel, delta t-the sampling time, at the time of logging.
The sampling interval of each sampling point is calculated, and the application software on the upper computer 1 can search the equal-interval logging data for further data processing and drawing into a picture.
It is customary in mine exploration to represent the inclination angle as the acute angle between the borehole axis OP and the horizontal, i.e. the angle corresponding to the top of the earth borehole, β < 0 is called the dip angle, β > 0 is called the elevation angle, it is clear that the top and inclination angles are complementary angles, β + θ is pi/2. the borehole azimuth angle is defined as the projection of the borehole axis OP onto the horizontal, OP' is measured clockwise from magnetic north ON, and provides north as 0. the borehole inclination parameter is referenced to the vertical OV, magnetic north ON, and OV is the direction of gravity, ON is the direction of the horizontal component H of the magnetic field, thus, essentially the borehole inclination parameter is referenced to the gravitational field, the earth magnetic field is referenced to the space vector, three parameters are required to determine, three-axis flux gates and accelerometers are installed in the inclinometer to measure the induction values of these two sensors, XYZ are then rotated by coordinates, the inclination and azimuth of the borehole are converted into the induction system of coordinates of the sensitive axes, and calculated by the earth borehole inclination and azimuth.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (6)
1. The utility model provides a mining drilling cableless detection system, host computer and host computer including the communication connection, this host computer is connected with detecting tube and depth finder respectively, a serial communication port, this detecting tube is including the video signal processing control circuit board, the azimuth measurement integrated circuit board, the signal processing circuit board be connected with parameter acquisition control circuit board respectively, this parameter acquisition control circuit board is connected with the group battery, this group battery is connected with steady voltage protection circuit board, this video signal processing control circuit board is connected with the camera, this azimuth and inclination measurement integrated circuit board are connected with triaxial inclination sensor and triaxial azimuth sensor, this signal processing circuit board is connected with nature gamma probe.
2. The cableless detection system for the mine drilling according to claim 1, wherein the depth finder comprises a fixed frame, a photoelectric pulse displacement sensor and a rotating shaft wheel, wherein the photoelectric pulse displacement sensor is arranged on the fixed frame, and the photoelectric pulse displacement sensor is connected with the host machine.
3. The mining borehole cableless detection system according to claim 1, wherein a lithium battery pack is built in the host machine.
4. The cableless detection system for mine drilling according to claim 1, wherein the host computer is connected with the detection tube through a first data transmission line, the host computer is connected with the depth finder through a second data transmission line, and the host computer is connected with the upper computer through a third data transmission line.
5. The mining borehole cableless detection system according to claim 1, wherein the natural gamma probe and the signal processing circuit board are sealed into a whole by SDL (sodium dodecyl benzene sulfonate) -1-24 vulcanized rubber; the battery pack and the voltage-stabilizing protection circuit board are sealed into a whole by SDL (sodium dodecyl sulfate), 1-24 vulcanized rubber.
6. The mining borehole cableless detection system according to claim 1, wherein the camera is a dot matrix infrared camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010227982.3A CN111305823A (en) | 2020-03-27 | 2020-03-27 | Mining drilling cableless detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010227982.3A CN111305823A (en) | 2020-03-27 | 2020-03-27 | Mining drilling cableless detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115728840A (en) * | 2022-09-26 | 2023-03-03 | 河南大有能源股份有限公司新安煤矿 | Underground coal mine drilling well logging detection system and small-diameter drilling well logging method |
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2020
- 2020-03-27 CN CN202010227982.3A patent/CN111305823A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115728840A (en) * | 2022-09-26 | 2023-03-03 | 河南大有能源股份有限公司新安煤矿 | Underground coal mine drilling well logging detection system and small-diameter drilling well logging method |
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