CN104727809A - Data acquiring system for well drill bit and acquiring recorder - Google Patents
Data acquiring system for well drill bit and acquiring recorder Download PDFInfo
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- CN104727809A CN104727809A CN201310697942.5A CN201310697942A CN104727809A CN 104727809 A CN104727809 A CN 104727809A CN 201310697942 A CN201310697942 A CN 201310697942A CN 104727809 A CN104727809 A CN 104727809A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
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- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Recording Measured Values (AREA)
Abstract
The invention belongs to the technical field of measuring of mechanical environments of well drill bits, and specifically relates to a data acquiring system for a well drill bit, an application method of the system and an acquiring recorder. The system comprises the acquiring recorder, a testing computer, a power supply system and a signal system; the acquiring recorder is used for converting a sensor signal and storing and sending the result data; the testing computer is used for setting the parameters of the acquiring recorder and acquiring data from the acquiring recorder; the power supply system is used for supplying power to the acquiring recorder; the signal system is used for providing a signal to the acquiring recorder; when in use, the debugging and calibration are carried out before mounting; the acquiring recorder comprises a multi-channel signal adapting module, an analog-digital converter, a storing unit, a power managing module, and a built-in communication management unit type control CPU. The system has the beneficial effects that the acquiring recorder is small, the reliability is improved, the application pertinence is improved, and the void in the measuring field fills.
Description
Technical field
The invention belongs to drilling bit mechanical environment field of measuring technique, be specifically related to a kind of drilling bit data collecting system.
Background technology
Drilling bit data collecting system is arranged in drilling bit, and the mechanical environment be mainly used in the drilling bit course of work is measured.Due to drilling bit place work under bad environment, not only need High Rotation Speed, and there is high vibration, HI high impact be in hot environment, harsh requirement is proposed to the environmental suitability of the mechanical environment measureing equipment of drilling bit.Secondly, due to the limited space of drilling bit own, do not affecting the situation of drill bit self structure intensity, the installing space being supplied to sensor and measureing equipment is very limited.Moreover the working life of a drill bit is longer, often take the time of several days, and the rotation of drill bit has made power supply a become difficult problem.Therefore, in this context, a kind of drilling bit data collecting system of development is needed badly to solve the problem.
Summary of the invention
The object of the invention is to for above-mentioned technical problem, a kind of miniaturization, low-power consumption, drilling bit data collecting system that anti shock and vibration environment capacity is strong are provided.
The technical scheme realizing the object of the invention is:
A kind of drilling bit data collecting system, comprises acquisition and recording device, test computer, electric power system and signal system.Acquisition and recording device is connected with signal system with test computer, power supply information by communication cable when debugging, and is arranged the parameter of acquisition and recording device by test computer; Be connected with electric power system, signal system in use, for the conversion of settling signal system signal and the storage of result data; Be connected with test computer after finishing using, the data of storage are sent to test computer;
Test computer is connected with acquisition and recording device by communication cable, for arranging the parameter of acquisition and recording device when debugging; Be connected with acquisition and recording device by communication cable after finishing using, read the data recorded in acquisition and recording device;
Electric power system is connected with acquisition and recording device by electricity cable, for system power supply, comprises battery or desktop linear power supply, and when debugging, desktop linear power supply is connected with acquisition and recording device by electricity cable; Battery is connected with acquisition and recording device by electricity cable in use;
Signal system is connected with acquisition and recording device by signal cable, for acquisition and recording device provides signal, comprises sensor and installs vibrator on a sensor or standard signal source; When debugging, standard signal source being connected with acquisition and recording device and being used for debugging acquisition and recording device, then sensor, vibrator are connected with acquisition and recording device are used for debugging sensor; In use, sensor is connected with acquisition and recording device.
Described acquisition and recording device comprises the control CPU of multi channel signals adaptation module, analog-digital converter, memory cell, power management module, built-in communication management unit, and acquisition and recording utensil has metal shell; Multi channel signals adaptation module comprises multiple signal adaptation module be set up in parallel, and each signal adaptation module passage comprises charge amplifier, gain amplifying circuit and the low-pass filter circuit of connecting successively.Multi channel signals adaptation module converts sensor signal to voltage signal, is amplified to analog-to-digital suitable input voltage, then delivers to analog-digital converter through gain amplifying circuit after low-pass filter circuit; After analog-digital converter converts analog signal to data signal, under the control of High-speed Control CPU, by data rapid saving in the memory unit; After data acquisition storage completes, under the control of High-speed Control CPU, by the communication interface of built-in chip type, can by the data upload in memory cell in test computer; Can show data in test computer, process, analyze, the operation such as printing; Power management module provides the operating voltage needed for all devices.
Signal adaptation module front end is charge signal input, and its signal input part is a charge amplifier.Charge conversion becomes voltage signal to do gain control and LPF for late-class circuit by charge amplifier.Charge amplifier comprises block isolating circuit, and as shown in Figure 4, its minimum cutoff sets its circuit as required, and setting amplitude is generally 0.1Hz ~ 1Hz.
The using method of drilling bit data collecting system of the present invention comprises the steps:
1st step, user, by connecting test computer, acquisition and recording device, standard signal source and small-sized vibrator, carries out calibration and calibrating to acquisition and recording device and sensor; To guarantee that equipment is working properly;
2nd step, user's connecting test computer and acquisition and recording device, start the control software design of test computer, arrange acquisition and recording device parameter, and inquiry acquisition and recording device recording status, clears data, make acquisition and recording device enter state to be collected;
3rd step, acquisition and recording device, battery, sensor are arranged on drilling bit inside by user, turn on the power switch, and make acquisition and recording device enter duty, then install drill bit, start drilling well work;
4th step, treats that drilling well work completes or bit damage, pulls down drill bit, takes out acquisition and recording device, battery, sensor;
5th step, connecting test computer and acquisition and recording device, check acquisition and recording device duty, read the data of record in acquisition and recording device;
6th step, the data that analyzing and processing has gathered, provide measurement result.
Further, described step 3 also comprises: take heat insulation treatment measures when installing acquisition and recording device.Above-mentioned heat insulation treatment measures comprise: one is carry out embedding when installing acquisition and recording device in acquisition and recording device metal shell inside, and Embedding Material is adiabatic organic material; Two is at acquisition and recording device metal shell external application thermal source reflectance coating.
Beneficial effect of the present invention is: drilling bit data collecting system upgrading technologies for unit, expand product line, create economic benefit while, also for Subscriber Unit brings significant economic and social profit.Compared with testing equipment in the past, this acquisition and recording device miniaturization more, reliability is higher, and application specific aim is stronger, and has filled up the blank of this fields of measurement.The implementation result of drilling bit data collecting system shows, miniaturization, low-power consumption, highly reliable design scheme have catered to the demand of user and market, can meet the instructions for use of user preferably, have good economic and social benefit.
Accompanying drawing explanation
Accompanying drawing 1 is drilling bit data collecting system of the present invention composition schematic diagram;
Accompanying drawing 2 is drilling bit data collecting system installation site schematic diagram in Fig. 1;
Accompanying drawing 3 is acquisition and recording device fundamental diagram;
Accompanying drawing 4 is charge amplifier typical circuit schematic diagram;
Accompanying drawing 5 is acquisition and recording device insulated design schematic diagram;
In figure, 1-acquisition and recording device, 2-test computer, 3-battery, 4-sensor, 5-battery compartment, 6-sensor storehouse, 7-instrument bin, 8-drill bit drilling rod.
Detailed description of the invention
Think example below, the invention will be further described in conjunction with the accompanying drawings and embodiments.
A kind of drilling bit data collecting system, comprises acquisition and recording device, test computer, electric power system and signal system, as shown in Figure 1.Acquisition and recording device is connected with signal system with test computer, power supply information by communication cable when debugging, and is arranged the parameter of acquisition and recording device by test computer; Be connected with electric power system, signal system in use, for the conversion of settling signal system signal and the storage of result data; Be connected with test computer after finishing using, the data of storage are sent to test computer;
Test computer is connected with acquisition and recording device by communication cable, for arranging the parameter of acquisition and recording device when debugging; Be connected with acquisition and recording device by communication cable after finishing using, read the data recorded in acquisition and recording device;
Electric power system is connected with acquisition and recording device by electricity cable, for system power supply, comprises battery or desktop linear power supply, and when debugging, desktop linear power supply is connected with acquisition and recording device by electricity cable; Battery is connected with acquisition and recording device by electricity cable in use;
Signal system is connected with acquisition and recording device by signal cable, for acquisition and recording device provides signal, comprises sensor and installs vibrator on a sensor or standard signal source; When debugging, standard signal source being connected with acquisition and recording device and being used for debugging acquisition and recording device; Again sensor, vibrator are connected with acquisition and recording device and are used for debugging sensor, by vibrator for generation of standard vibration signal source, with simulated field vibration environment; In use, sensor is connected with acquisition and recording device.
During use, after receiving the collection enabled instruction or manual trigger collection instruction that test computer sends, acquisition and recording device starts the signals collecting sent by sensor and is recorded in the memory cell of acquisition and recording device; After meeting acquisition time requirement or system cut-off, acquisition and recording device stops gathering.When test computer connects acquisition and recording device, can read the data in acquisition and recording device memory cell and carry out dissection process, data can with waveform display or printing on test computer.
The equipment adopted in above-mentioned signal system and electric power system is existing equipment.The kind of sensor is a lot, is seen the piezoelectric acceleration transducer and charge type sensor that mainly contain built-in integrated circuit by mode signal output.In view of use volume limitation, power consumption requirements and measurement need, the drilling bit data collecting system in the present embodiment adopts 3 axle acceleration sensors of charge type.
Choosing at electric power supply system equipment, if system works controlled current flow is built in about 20mA, meet 20mA current work 200 hours, the capacity of system power supply battery needs at more than 4Ah, and work at high temperature about 150 DEG C due to system, therefore adopt common rechargeable battery to satisfy the demands.For the model 18650 that current Large Copacity chargeable lithium cell more often uses, its capacity is 2Ah, volume is Φ 18 × 65mm, serviceability temperature 0 ~ 40 DEG C, no matter from temperature, capacity or all cannot meet instructions for use from volume.Through carefully proving, the battery in the present embodiment in electric power system adopts a kind of high temperature resistant disposable battery, and this battery temperature characteristic can be customized, nominal dimension is Φ 26.5 × 50.5mm, and nominal capacity is 4800mAh, maximum operating currenbt 100mA, nominal voltage 3.6V, weight is 60g.The performance indications of this high temperature resistant disposable battery can meet instructions for use.
Because battery is disposable, the linear stabilized power supply of desktop therefore can be used in debugging at ordinary times and testing experiment process to power for acquisition and recording device.Linear stabilized power supply is a kind of existing equipment that is conventional, that can be bought by market.
Described acquisition and recording device comprises the control CPU of multi channel signals adaptation module, analog-digital converter, memory cell, power management module, built-in communication management unit, and acquisition and recording utensil has metal shell; Multi channel signals adaptation module comprises 3 signal adaptation module be set up in parallel, and each signal adaptation module passage comprises charge amplifier, gain amplifying circuit and the low-pass filter circuit of connecting successively, and its operating principle as shown in Figure 3.Multi channel signals adaptation module converts sensor signal to voltage signal, is amplified to analog-to-digital suitable input voltage, then delivers to analog-digital converter through gain amplifying circuit after low-pass filter circuit; After analog-digital converter converts analog signal to data signal, under the control of High-speed Control CPU, by data rapid saving in the memory unit; After data acquisition storage completes, under the control of High-speed Control CPU, by the communication interface of built-in chip type, can by the data upload in memory cell in test computer; Can show data in test computer, process, analyze, the operation such as printing; Power management module provides the operating voltage needed for all devices.
Signal adaptation module front end is charge signal input, and its signal input part is a charge amplifier.Charge conversion becomes voltage signal to do gain control and LPF for late-class circuit by charge amplifier.Charge amplifier comprises block isolating circuit, and as shown in Figure 4, its minimum cutoff sets its circuit as required, and setting amplitude is generally 0.1Hz ~ 1Hz.
Described memory cell is the core component that in acquisition and recording device, data are preserved, and is existing equipment.Information acquisition system common at present requires that memory cell possesses Large Copacity, performance such as the read-write high and low power consumption of speed and power failure data maintenance etc.The memory cell of the acquisition and recording device applied in the present embodiment is particularly outstanding to the requirement of these characteristics, but also has more harsh requirement to memory cell volume.Therefore, adopt electric board or FLASH memory in this programme, the volume that these two kinds of memories all meet the technical program is little, capacity is large, read and write the performance requirements such as speed is high, low in energy consumption, power failure data maintenance.
Because installation site is special, for installing the finite volume of acquisition and recording device, the overall dimensions of acquisition and recording device need to install at the space internal fixtion of Φ 50 × 30mm, and its installation site as shown in Figure 2.
The assembling of the drill bit drilling well data collecting system of the present embodiment must experience strict processing step.In use, debugging calibration need be carried out in a pre-installation, and then install.The using method of drilling bit data collecting system comprises the steps:
1st step, user, by connecting test computer, acquisition and recording device, standard signal source and small-sized vibrator, carries out calibration and calibrating to acquisition and recording device and sensor; To guarantee that equipment is working properly;
2nd step, user's connecting test computer and acquisition and recording device, start the control software design of test computer, arrange acquisition and recording device parameter, and inquiry acquisition and recording device recording status, clears data, make acquisition and recording device enter state to be collected;
3rd step, acquisition and recording device, battery, sensor are arranged on drilling bit inside by user, open acquisition and recording appliance mains switch, make acquisition and recording device enter duty, then install drill bit, start drilling well work;
4th step, treats that drilling well work completes or bit damage, pulls down drill bit, takes out acquisition and recording device, battery, sensor;
5th step, connecting test computer and acquisition and recording device, check acquisition and recording device duty, read the data of record in acquisition and recording device;
6th step, the data that analyzing and processing has gathered, provide measurement result.
Because system-operating environment is up to 150 DEG C, even the serviceability temperature army grade of chip also can only reach+125 DEG C, general industry level chip can only accomplish+85 DEG C.Want system worked well, just must increase safeguard procedures in instrument bin.Have employed 2 heat insulation treatment measures: one is carrying out embedding when step 3 installs acquisition and recording device in acquisition and recording device metal shell inside, and Embedding Material is adiabatic organic material in current the present embodiment; Two is at acquisition and recording device metal shell external application thermal source reflectance coating, and the heat of energy usable reflection 90%, its structure as shown in Figure 5.Above scheme is adopted can effectively to completely cut off the impact of outside heat on internal components.
Main innovate point, the technological progress point of the drilling bit data collecting system in the present embodiment comprise:
(1) higher miniaturization.Because installing space is limited, the innovation point that the drilling bit data collecting system in the present embodiment is the most outstanding is exactly that volume is little, device miniaturization.The overall dimensions of nucleus equipment acquisition and recording device are installed at the space internal fixtion of Φ 50 × 30mm.Its degree of miniaturization is well imagined.
(2) low-power consumption.Drilling bit data collecting system in the present embodiment requires longevity of service, but is limited to installing space, the finite capacity of battery, and this power consumption being just doomed drilling bit data collecting system can not be too large.Nucleus equipment acquisition and recording device all adopts low power dissipation design, from CPU, storage chip to analog device, all through conscientious power consumption calculation, guarantees in limited battery capacity situation, the acquisition and recording device work sufficiently long time.
(3) heat resistance is strong.Drilling bit data collecting system in the present embodiment, through conscientious thermal design, can ensure that product is under 150 degree of hot environments, still can keep working long hours, and device interior device and battery can not affect and damage by Yin Wendu.
(4) anti shock and vibration environment capacity is strong.Drilling bit data collecting system inside in the present embodiment adopts embedding process, to improve the anti shock and vibration ability of product.Under high vibration environment, equipment still can normally work, and device does not damage.
Above embodiments of the invention are explained in detail.Obviously, above-mentioned embodiment is only optimum embodiment of the present invention, but the present invention is not limited to above-described embodiment.In the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.If these amendments and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. a drilling bit data collecting system, is characterized in that: comprise acquisition and recording device, test computer, electric power system and signal system;
Acquisition and recording device is connected with signal system with test computer, power supply information by communication cable when debugging, and is arranged the parameter of acquisition and recording device by test computer; Be connected with electric power system, signal system in use, for the conversion of settling signal system signal and the storage of result data; Be connected with test computer after finishing using, the data of storage are sent to test computer;
Test computer is connected with acquisition and recording device by communication cable, for arranging the parameter of acquisition and recording device when debugging; Be connected with acquisition and recording device by communication cable after finishing using, read the data recorded in acquisition and recording device;
Electric power system is connected with acquisition and recording device by electricity cable, for system power supply, comprises battery or desktop linear power supply, and when debugging, desktop linear power supply is connected with acquisition and recording device by electricity cable; Battery is connected with acquisition and recording device by electricity cable in use;
Signal system is connected with acquisition and recording device by signal cable, for acquisition and recording device provides signal, comprises sensor and installs vibrator on a sensor or standard signal source; When debugging, standard signal source being connected with acquisition and recording device and being used for debugging acquisition and recording device, then sensor, vibrator are connected with acquisition and recording device are used for debugging sensor; In use, sensor is connected with acquisition and recording device.
2. a kind of drilling bit data collecting system as claimed in claim 1, it is characterized in that: described battery adopts high temperature resistant disposable battery, this battery temperature characteristic can be customized, nominal dimension is Φ 26.5 × 50.5mm, nominal capacity is 4800mAh, maximum operating currenbt 100mA, nominal voltage 3.6V, weight is 60g.
3. be applied to an acquisition and recording device for drilling bit data collecting system as claimed in claim 1, it is characterized in that: the control CPU comprising multi channel signals adaptation module, analog-digital converter, memory cell, power management module, built-in communication management unit;
Multi channel signals adaptation module converts sensor signal to voltage signal, delivers to analog-digital converter; After analog-digital converter converts analog signal to data signal, under the control of High-speed Control CPU, by data rapid saving in the memory unit; After data acquisition storage completes, under the control of High-speed Control CPU, by the communication interface of built-in chip type, can by the data upload in memory cell in test computer; Can show data in test computer, process, analyze, the operation such as printing; Power management module provides the operating voltage needed for all devices.
4. a kind of acquisition and recording device being applied to drilling bit data collecting system as claimed in claim 1 as claimed in claim 3, it is characterized in that: described multi channel signals adaptation module comprises multiple signal adaptation module be set up in parallel, each signal adaptation module passage comprises charge amplifier, gain amplifying circuit and the low-pass filter circuit of connecting successively.
5. a kind of acquisition and recording device being applied to drilling bit data collecting system as claimed in claim 1 as claimed in claim 4, it is characterized in that: described charge amplifier front end is charge signal input, and charge conversion becomes voltage signal to do gain control and LPF for late-class circuit by charge amplifier.
6. a kind of acquisition and recording device being applied to drilling bit data collecting system as claimed in claim 1 as claimed in claim 5, it is characterized in that: charge amplifier comprises block isolating circuit, described block isolating circuit minimum cutoff is set as 0.1Hz ~ 1Hz.
7. the using method of a kind of drilling bit data collecting system as claimed in claim 3, it is characterized in that: described acquisition and recording device carries out embedding to acquisition and recording device metal shell inside when mounted, Embedding Material is adiabatic organic material; At acquisition and recording device metal shell external application thermal source reflectance coating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310697942.5A CN104727809A (en) | 2013-12-18 | 2013-12-18 | Data acquiring system for well drill bit and acquiring recorder |
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| CN201310697942.5A CN104727809A (en) | 2013-12-18 | 2013-12-18 | Data acquiring system for well drill bit and acquiring recorder |
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Application publication date: 20150624 |