CN108915772A - The device and method of continuous acquisition location of the coring procedure coal core temperature and drilling location information - Google Patents

The device and method of continuous acquisition location of the coring procedure coal core temperature and drilling location information Download PDF

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Publication number
CN108915772A
CN108915772A CN201810775708.2A CN201810775708A CN108915772A CN 108915772 A CN108915772 A CN 108915772A CN 201810775708 A CN201810775708 A CN 201810775708A CN 108915772 A CN108915772 A CN 108915772A
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temperature
data acquisition
data
acquisition device
coring
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CN108915772B (en
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王兆丰
董家昕
柯巍
韩恩光
刘勉
王龙
邢医
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Henan University of Technology
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Henan University of Technology
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/18Special adaptations of signalling or alarm devices

Abstract

The invention discloses the device and method of a kind of continuous acquisition location of the coring procedure coal core temperature and drilling location information, including:Temperature sensor, gyroscope, data acquisition device, data acquisition device shell, flameproof enclosure, wherein temperature sensor is threadedly secured to when in use on flameproof enclosure outer wall, temperature and station acquisition device are mounted on data acquisition device interior of shell, data acquisition device shell is inserted in flameproof enclosure, in location of the coring procedure, temperature collecting device and temperature sensor continuously measure the temperature and flameproof enclosure outside wall temperature for receding into coal sample in the hollow boring bit for being connected to flameproof enclosure front end, gyroscope real time monitoring drilling position data, and data are handled, then by the storage of processed data into memory module, to save the temperature change of coal core in entire sampling process.The configuration of the present invention is simple, it is small in size, low in energy consumption, it can completely acquire and store the temperature change of coal sample and drilling position in entire coal seam location of the coring procedure.

Description

The device and method of continuous acquisition location of the coring procedure coal core temperature and drilling location information
Technical field
The present invention relates to technical field of mine safety, more particularly to a kind of continuous acquisition location of the coring procedure coal core temperature and brill The device and method of hole site information.
Background technique
The energy is the important material base that human society is depended on for existence and development, at present the most important energy in China still It is coal resources.Five big typical calamities in coal enterprise's production process:Gas, floods, dust, top plate, fire, when these accidents Have a generation, especially with gas explosion with its it is destructive it is strong, economic loss is big, more than personnel death etc. distinguishing features to Safety of Coal Mine Production It causes to seriously endanger, causes the strong repercussion of society, gas is referred to as " the first killer " of Safety of Coal Mine Production.From this, watt The preventing and controlling of this disaster are of great significance for the life security of guarantee Safety of Coal Mine Production and miner, and gas bearing capacity Measurement is the basic work of mine gas prevention and control.It needs first to sample coal seam using indirect method measurement coal seam gas-bearing capacity, and Sample gas bearing capacity is measured to estimate coal seam gas-bearing capacity.In sampling process, will some desorption of mash gas, and drilled Drilling rod can be with coal wall high-speed friction in journey, so that coal temperature increases sharply, this can be further exacerbated by the desorption of mash gas of sample, leads Cause has very big error for the calculating of the gas loss amount in sampling process, so as to cause the inaccurate of coal seam gas-bearing capacity measurement Really.So sampling process needs to consider influence of the temperature to coal gas content, to correct the gas loss amount in sampling process, To improve the accuracy of coal seam gas-bearing capacity measurement.
However, current mining temperature sensor is primarily directed to detection shaft production environment temperature, can not detect In sampling process therefore the variation of coal temperature needs a kind of device that can detect the variation of sampling process coal temperature out, and It is estimated according to measurement result in location of the coring procedure due to the gas bearing capacity that temperature influences and desorbs, is finally reached and improves coal seam The purpose of gas bearing capacity measuring and calculating accuracy.
Summary of the invention
For in current coal seam location of the coring procedure, because the data of coal core temperature change can not be obtained, to can not accurately calculate Influence of the temperature in location of the coring procedure to coal sample parsing gas amount, causing finally to measure coal seam gas-bearing capacity has large error, and Common mining temperature-detecting device can only detect coal mine environment temperature and cannot be detected regarding to the issue above.The present invention provides A kind of device and method of continuous acquisition location of the coring procedure coal core temperature and drilling location information, to solve the problems, such as this.
The purpose of the invention is achieved by the following technical solution:
A kind of device of continuous acquisition location of the coring procedure coal core temperature and drilling location information, including:Temperature sensor, gyroscope, Data acquisition device, data acquisition device shell, flameproof enclosure;The temperature sensor is threadedly secured to flameproof enclosure pipe On wall, the data acquisition device is mounted on data acquisition device interior of shell, the data acquisition device shell be mounted on every Quick-fried interior of shell.
In order to preferably realize the present invention, the data acquisition device and temperature sensor, which continuously measure, recedes into core drill The temperature of coal sample in head, gyroscope continuous acquisition drilling machine creeps into data and position data, and handles data, then will place The data managed are stored into memory module, to save the temperature change of entire sampling process coal core.
Preferably, the temperature sensor is thermocouple temperature sensor.
Further, the flameproof enclosure is divided into two parts, is divided into explosion-proof casing and flameproof enclosure lid, and pass through spiral shell Line is connected and fixed;The flameproof enclosure inner wall has tapetum fibrosum thermal insulation layer.
Preferably, the data acquisition device shell is a rectangular body case, install inside flameproof enclosure, for solid Determine data acquisition device, high speed rotation when coring is avoided to damage data acquisition device, the data acquisition device shell It can be taken out from flameproof enclosure, facilitate the installation and dismounting of data acquisition device.
Further, the data acquisition device, by data processing module, data transmitting module, power module, data The modules such as memory module, key and LED display lamp composition;These modules are integrated in jointly in one piece of PCB circuit board, and are mounted on In data acquisition device shell;Gyroscope is also integrated in the PCB circuit board of data acquisition device.
Preferably, the power module is made of battery and a power management chip, several batteries are the confession of whole system Electricity, the electricity of power management chip monitoring battery, the voltage provided by the battery are lower than a certain threshold value, i.e., cannot support be When system work, low-voltage warning is issued to data processing module.
Further, the data processing module is low-power consumption or with sleeping/waking function single-chip microcontroller, described Data memory module stores the data of acquisition using large capacity SD card.
Further, the data processing module is MSP430 type single-chip microcontroller or the ARM with sleeping/waking function Processor.
A method of using above-mentioned apparatus continuous acquisition location of the coring procedure coal core temperature and drilling location information, including it is following Step:
Step1:The conducting wire of temperature sensor is penetrated into flameproof enclosure, and temperature sensor is fixed on flameproof enclosure 26 On;Suitable sampling position is selected in underground coal mine;
Step2:It is mounted on data acquisition device in data acquisition device shell, connects the conducting wire of temperature sensor, installs Upper battery;
Step3:Opening temperature detection device checks power supply indicator, if display electricity is low, battery is needed to change, if display is just Chang Ze presses starting acquisition button, and data acquisition device enters temperature acquisition working condition;
Step4:Data acquisition device and data acquisition device shell are put into flameproof enclosure, whole device is then sealed;
Step5:Suitable sampling position is selected in underground coal mine;
Step6:Whole device front end is connected with hollow coring bit, rear end is mounted on drilling rod, starts coring of drilling;Coring After process, whole device is removed from drilling rod, take out data acquisition device, closes power supply;If you need to multiple coring, repeat Step5-6;
Step7:Large capacity SD card is taken out, reads the temperature acquisition and bore position number stored in card on the computer on well According to.
The present invention compared with the prior art, has the following advantages that and beneficial effect:
The configuration of the present invention is simple, it is small in size, low in energy consumption, it can completely acquire and store coal sample in entire coal seam location of the coring procedure Temperature change;And according to this temperature change measuring and calculating gas amount that coal sample desorbs in sampling process, pass through reality for correcting The coal seam gas-bearing capacity obtained is tested, its accuracy is improved;And in conjunction in boring procedure, number is crept into temperature variation data and drilling According to come the function that calculates temperature rise of drilling, there is the present invention for the coal seam gas-bearing capacity measuring and calculating in heterogeneity coal seam more common Applicability;The present invention calculates suitable for coal mine coal seam gas-bearing capacity.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is agent structure schematic diagram of the invention.
Fig. 3 is electrical principle block diagram of the invention.
Fig. 4 is working state schematic representation of the invention.
Wherein, 1 is common hollow coring bit, and 2 be temperature-detecting device main body, and 21 be temperature sensor, and 22 be number According to acquisition device PCB circuit board, 23 be battery case, and 24 be fixed bracket, and 25 be temperature collecting device shell, and 26 is outside flame proofs Shell, 3 be drilling rod, and 4 be coal seam.
Specific embodiment
The present invention is described in further detail below with reference to embodiment, embodiments of the present invention are not limited thereto.
The present invention description in, in the description of the present invention, it should be noted that term " center ", "upper", "lower", The orientation or positional relationship of the instructions such as "left", "right", "top", "bottom", "inner", "outside" is orientation based on the figure or position Relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Embodiment
As shown in Figure 1, 2, the method for a kind of location of the coring procedure coal core temperature and bore position continuous acquisition of the present invention With equipment, including:Temperature sensor, data acquisition device, gyroscope, data acquisition device shell, flameproof enclosure;
Such as Fig. 1, left part is common hollow coring bit 1, and there is screw thread in one end, it can be connected and be consolidated with flameproof enclosure 26 Fixed, the other end of flameproof enclosure 26 is connected with drilling rod;
Such as Fig. 2, flameproof enclosure 26 is divided to for two parts, is divided into flameproof enclosure shell and flameproof enclosure lid, and connect by screw thread Connect fixation, it may be convenient to mount and dismount to internal temperature collecting device, and be sealed to whole device and make it Has the characteristics that flame proof, to guarantee safety that whole device is used in underground coal mine, further, the shell of the flameproof enclosure 26 Internal wall has tapetum fibrosum thermal insulation layer, for reducing the operating ambient temperature of temperature collecting device, 25 shell of temperature collecting device For a cuboid metal shell, also facilitate the installation and dismounting of temperature collecting device.
Wherein temperature sensor 21 installs the left end of flameproof enclosure 26, is connected through a screw thread and fixes;Flameproof enclosure 26 is left The screw thread central openings connecting with temperature sensor 21 are held, for the conducting wire of temperature sensor 21 to be penetrated into flameproof enclosure 26 It is interior;Circuit board, the battery 23 of temperature collecting device 22 are mounted on 25 interior of shell of temperature collecting device, outside temperature collecting device 25 Shell is mounted on inside flameproof enclosure 26, and hollow boring bit 1 and flameproof enclosure 26 are threadedly coupled and form an entirety;In location of the coring procedure In, continuously measurement recedes into the temperature of coal sample in corer for temperature collecting device 22 and temperature sensor 21, and carries out to data Processing, then by the storage of processed data into memory module, to save the temperature change of coal core in entire sampling process.
As shown in figure 3, the circuit board of data acquisition device 22 by data processing module, data transmitting module, power module, The modules such as data memory module, key and LED display lamp composition;These modules are integrated in jointly in one piece of PCB circuit board, and are pacified In 25 interior of shell of temperature collecting device;In addition, gyroscope is also integrated on the circuit board of data acquisition device.
A method of using above-mentioned apparatus continuous acquisition location of the coring procedure coal core temperature and drilling location information, including it is following Step:
Step1:The conducting wire of temperature sensor 21 is penetrated into flameproof enclosure 26, and temperature sensor 21 is fixed on outside flame proof On shell, suitable sampling position is selected in underground coal mine;
Step2:By 22 data acquisition devices, it is mounted in 25 data acquisition device shells, connects leading for 21 temperature sensors Line installs 23 batteries;
Step3:Opening temperature detection device checks power supply indicator, if display electricity is low, needs to change battery;If display is just Chang Ze presses starting acquisition button, and data acquisition device enters temperature acquisition working condition;
Step4:Data acquisition device and data acquisition device shell are put into flameproof enclosure, whole device is then sealed;
Step5:Suitable sampling position is selected in underground coal mine;
Step6:Whole device front end is connected with hollow coring bit, rear end is mounted on drilling rod, starts coring of drilling;Coring After process, whole device is removed from drilling rod, take out data acquisition device, closes power supply;If you need to multiple coring, repeat Step5-6;
Step7:Large capacity SD card is taken out, reads the temperature acquisition and bore position number stored in card on the computer on well According to.
The state of drive sampling is as shown in Figure 4 in coal seam.
The above embodiments are only used to illustrate the present invention, rather than limitation of the present invention.Although referring to embodiment to this hair It is bright to be described in detail, those skilled in the art should understand that, to technical solution of the present invention carry out it is various combination, Modification or equivalent replacement should all cover and want in right of the invention without departure from the spirit and scope of technical solution of the present invention It asks in range.

Claims (10)

1. a kind of device of continuous acquisition location of the coring procedure coal core temperature and drilling location information, it is characterised in that:Including:Temperature passes Sensor, gyroscope, data acquisition device, data acquisition device shell, flameproof enclosure;The temperature sensor is threadably secured On flameproof enclosure tube wall, the data acquisition device is mounted on data acquisition device interior of shell, the data acquisition device Shell is mounted on inside flameproof enclosure.
2. the device of a kind of continuous acquisition location of the coring procedure coal core temperature and drilling location information according to claim 1, It is characterized in that:The data acquisition device and temperature sensor continuously measure the temperature for receding into coal sample in coring bit, gyro Instrument continuous acquisition drilling machine creeps into data and position data, and handles data, then stores processed data to depositing It stores up in module, to save the temperature change of entire sampling process coal core.
3. the device of a kind of continuous acquisition location of the coring procedure coal core temperature and drilling location information according to claim 1 or 2, It is characterized in that:The temperature sensor is thermocouple temperature sensor.
4. the device of a kind of continuous acquisition location of the coring procedure coal core temperature and drilling location information according to claim 1, It is characterized in that:The flameproof enclosure is divided into two parts, is divided into explosion-proof casing and flameproof enclosure lid, and is connected through a screw thread solid It is fixed;The flameproof enclosure inner wall has tapetum fibrosum thermal insulation layer.
5. the device of a kind of continuous acquisition location of the coring procedure coal core temperature and drilling location information according to claim 1, It is characterized in that:The data acquisition device shell is a rectangular body case, installs inside flameproof enclosure, adopts for fixed data Acquisition means avoid high speed rotation when coring from damaging data acquisition device, the data acquisition device shell can from every It is taken out in quick-fried shell, facilitates the installation and dismounting of data acquisition device.
6. the device of a kind of continuous acquisition location of the coring procedure coal core temperature and drilling location information according to claim 1, It is characterized in that:The data acquisition device, by data processing module, data transmitting module, power module, data memory module, The modules such as key and LED display lamp composition;These modules are integrated in jointly in one piece of PCB circuit board, and are mounted on data acquisition In crust of the device;Gyroscope is also integrated in the PCB circuit board of data acquisition device.
7. the device of a kind of continuous acquisition location of the coring procedure coal core temperature and drilling location information according to claim 6, It is characterized in that:The power module is made of battery and a power management chip, and several batteries are whole system power supply, the electricity Source control chip monitors the electricity of battery, and the voltage provided by the battery is lower than a certain threshold value, i.e., when system cannot be supported to work, Low-voltage warning is issued to data processing module.
8. the device of a kind of continuous acquisition location of the coring procedure coal core temperature and drilling location information according to claim 1, It is characterized in that:The data processing module is low-power consumption or with sleeping/waking function single-chip microcontroller, the data storage Module stores the data of acquisition using large capacity SD card.
9. the device of a kind of continuous acquisition location of the coring procedure coal core temperature and drilling location information according to claim 8, It is characterized in that:The data processing module is MSP430 type single-chip microcontroller or the arm processor with sleeping/waking function.
10. a kind of continuous acquisition location of the coring procedure coal core temperature and bore position using any described device in claim 1-9 The method of information, it is characterised in that include the following steps:
Step1:The conducting wire of temperature sensor is penetrated into flameproof enclosure, and temperature sensor is fixed on flameproof enclosure 26 On;Suitable sampling position is selected in underground coal mine;
Step2:It is mounted on data acquisition device in data acquisition device shell, connects the conducting wire of temperature sensor, installs Upper battery;
Step3:Opening temperature detection device checks power supply indicator, if display electricity is low, battery is needed to change, if display is just Chang Ze presses starting acquisition button, and data acquisition device enters temperature acquisition working condition;
Step4:Data acquisition device and data acquisition device shell are put into flameproof enclosure, whole device is then sealed;
Step5:Suitable sampling position is selected in underground coal mine;
Step6:Whole device front end is connected with hollow coring bit, rear end is mounted on drilling rod, starts coring of drilling;Coring After process, whole device is removed from drilling rod, take out data acquisition device, closes power supply;If you need to multiple coring, repeat Step5-6;
Step7:Large capacity SD card is taken out, reads the temperature acquisition and bore position number stored in card on the computer on well According to.
CN201810775708.2A 2018-07-16 2018-07-16 Device and method for continuously collecting temperature and drilling position information of coal core in coring process Active CN108915772B (en)

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CN111931264B (en) * 2020-06-11 2023-10-20 中国矿业大学 Design method for deep mine water heating type geothermal energy and coal seam collaborative mining working face

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