CN103790572A - Mine wireless inclinometer - Google Patents
Mine wireless inclinometer Download PDFInfo
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- CN103790572A CN103790572A CN201410073244.2A CN201410073244A CN103790572A CN 103790572 A CN103790572 A CN 103790572A CN 201410073244 A CN201410073244 A CN 201410073244A CN 103790572 A CN103790572 A CN 103790572A
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Abstract
The invention relates to a mine wireless inclinometer which comprises an inclinometer part and a wireless communication part. The inclinometer part comprises a drill rod inside a drill hole, a measuring module, a transmitting module, a power module, insulation short sections and a special-purpose computer for an orifice. A positive pole of the transmitting module is connected with the drill rod through one insulation short section, and a negative pole of the transmitting module is connected with a ground layer through one insulation short section. The transmitting module is connected with the measuring module. The transmitting module and the measuring module are respectively connected with the power module. The transmitting module is in wireless communication with the special-purpose computer through the wireless communication part. The mine wireless inclinometer has the advantages of not relying on a drill rod, of a special-purpose specification, with a cable, being convenient to use and high in universality, adopting the normal drill rod, being low in use cost and maintenance cost, omitting a plurality of cable connectors and sealing structures of the cable connectors, and being low in fault rate, high in reliability and highly applicable to various geological conditions.
Description
Technical field
The present invention relates to a kind of tester, be specifically related to a kind of mining wireless directional tool.
Background technology
Directional tool is widely used in the directional drilling deviational survey field of the industry such as coal, oil at present.Directional tool need to be in underground work, and the work period is long, and applying working condition is severe.When drilling construction, directional tool not only will accurately be measured, and also survey data will be passed to well head in real time, instructs correct directional drilling with this.
The directional tool that at present coal industry uses, generally adopts wire communication mode, and it need to customize the special cable drilling rod that has.There are a perforation drilling rod the wire with drilling rod insulation in the center of this drilling rod, and two ends of drill has connector, after each drilling rod is from beginning to end, is prolonging well track and is forming the communication channel that has cable, and survey data is passed to well head in real time.The shortcoming of wire communication mode is: wellbore construction can not be used common drilling rod, and versatility is poor, and has cable drilling rod price more expensive, easy break-down, and application life is shorter.
Summary of the invention
The object of this invention is to provide and a kind ofly use common drilling rod, adopt convenient and reliable wireless data communication mode to carry out the mining wireless directional tool of transfer of data, to overcome prior art above shortcomings.
The object of the invention is to be achieved through the following technical solutions:
A kind of mining wireless directional tool, comprise directional tool part and wireless telecommunications part, described directional tool part comprises the special-purpose computer in drilling rod, measurement module, transmitter module, power module, insulating short section and aperture in boring, the positive pole of described transmitter module connects stratum by insulating short section jointed rod and negative pole by insulating short section, described transmitter module is connected with measurement module, and described transmitter module is all connected with power module with measurement module; Described transmitter module is connected with described special-purpose computer wireless telecommunications by wireless telecommunications part.
Further, described wireless telecommunications part comprises deviational survey data encoder, signal modulator, analog line driver, communication channel, low noise FET, bandpass filter, automatic gain control amplifier, demodulator of PM signal PM and the reduction deviational survey data encoder that wireless telecommunications successively connect.
Further, described communication channel is drill hole wall stratum.
Preferably, the wireless signal of described wireless telecommunications part is that frequency is the FSK modulated signal of 12KHz/8KHz.
Preferably, the coding of described deviational survey data encoder and reduction deviational survey data encoder is 0/1 yard of serial communication.
Further, described drilling rod is common without cable drilling rod.
Further, described insulating short section comprises two joint insulating short sections, wherein one saves in the positive pole and the drilling rod that connect transmitter module, and another is saved in the negative pole and the stratum that connect transmitter module.
The invention has the beneficial effects as follows:
What 1, do not rely on special specification has a cable drilling rod, easy to use, highly versatile;
2, adopt common drilling rod, operation and maintenance cost is low;
3, saved cable connector and the hermetically-sealed construction thereof of One's name is legion, failure rate is low, reliability is high;
4, to all kinds of geological conditions strong adaptabilities.
Accompanying drawing explanation
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is the mining wireless directional tool structured flowchart described in the embodiment of the present invention;
Fig. 2 is the mining wireless directional tool schematic diagram described in the embodiment of the present invention.
The specific embodiment
As shown in Figure 1, mining wireless directional tool described in the embodiment of the present invention, comprise directional tool part and wireless telecommunications part, described directional tool part comprises the special-purpose computer in drilling rod, measurement module, transmitter module, power module, insulating short section and aperture in boring, and described drilling rod is common without cable drilling rod; Described insulating short section comprises two joint insulating short sections, wherein, one saves in the positive pole and the drilling rod that connect transmitter module, one saves in the negative pole and the stratum that connect transmitter module, described transmitter module is connected with measurement module, described transmitter module is all connected with power module with measurement module, has the whole inclinometer of electric power source pair of module to power; Described transmitter module is connected with described special-purpose computer wireless telecommunications by wireless telecommunications part.
As shown in Figure 2, described wireless telecommunications part comprises deviational survey data encoder, signal modulator, analog line driver, communication channel, low noise FET, bandpass filter, automatic gain control amplifier, demodulator of PM signal PM and the reduction deviational survey data encoder that wireless telecommunications successively connect.
The function of each parts of wireless telecommunications part is as follows:
1, signal modulator: use FSK mode, the serial communication of deviational survey data 0/1 is encoded, corresponding modulating becomes the modulated signal of 12KHz/8KHz, adapts to the frequency characteristic in coal seam with this, and improves signal to noise ratio.
2, analog line driver: modulated signal is carried out to power drive, at transmitting terminal, the alternating electric field after modulation is loaded between drilling rod and coal seam, after making the signal that sends by fading channel, still can obtain effective signal strength signal intensity at well head, increase transmission range.
3, communication channel: the frequency characteristic in further investigation coal seam, determine that frequency of utilization is the FSK modulated signal of 12KHz/8KHz; Utilize and do loop along the coal seam of wellbore, form the communication channel without cable; Replace and have cable drilling rod with common drilling rod, realize wireless telecommunications.
4, low noise FET: preposition amplification, in prime fixed gain, the small-signal receiving is amplified, then export subsequent conditioning circuit to, to improve the overall signal to noise ratio of system.
5, bandpass filter: from the reception signal that contains other noise frequency, isolate the modulated signal of 12KHz/8KHz, further improve signal to noise ratio.
6, automatic gain control amplifier: in order to adapt to the difference of different channels to signal attenuation, be provided with AGC auto-gain circuit; By this circuit, make the amplitude of output signal comparatively stable, so that follow-up signal demodulation.
7, demodulator of PM signal PM: use FSK demodulator circuit, by the modulated signal of 12KHz/8KHz, 0/1 yard of homographic solution furnishing serial communication, and then restore the data encoding of deviational survey.
The operating principle of the mining wireless directional tool described in the embodiment of the present invention is: measurement module is measured the data such as the hole deviation, orientation, tool-face of drilling tool real time position and is transferred to transmitter module; Power module provides power supply for measurement module and transmitter module; Insulating short section is made up of two joints of electrical insulation, and a joint is connected with drilling rod anodal transmitter module, and another joint is connected transmitter module negative pole with stratum; Transmitter module is by after measurement data signals modulation, and the loop consisting of drilling rod and stratum sends to aperture; The loop that special-purpose computer consists of drilling rod and stratum receives amplification after the data-signal of modulation, filtering, gain, demodulation, calculating and shows in real time afterwards and storage of measurement data.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, within all dropping on protection scope of the present invention.
Claims (7)
1. a mining wireless directional tool, comprise directional tool part and wireless telecommunications part, it is characterized in that: described directional tool part comprises the special-purpose computer in drilling rod, measurement module, transmitter module, power module, insulating short section and aperture in boring, the positive pole of described transmitter module is by insulating short section jointed rod, the negative pole of described transmitter module connects stratum by insulating short section, described transmitter module is connected with measurement module, and described transmitter module is all connected with power module with measurement module; Described transmitter module is connected with described special-purpose computer wireless telecommunications by wireless telecommunications part.
2. mining wireless directional tool according to claim 1, is characterized in that: described wireless telecommunications part comprises deviational survey data encoder, signal modulator, analog line driver, communication channel, low noise FET, bandpass filter, automatic gain control amplifier, demodulator of PM signal PM and the reduction deviational survey data encoder that wireless telecommunications successively connect.
3. mining wireless directional tool according to claim 2, is characterized in that: described communication channel is drill hole wall stratum.
4. mining wireless directional tool according to claim 3, is characterized in that: the wireless signal of described wireless telecommunications part is that frequency is the FSK modulated signal of 12KHz/8KHz.
5. mining wireless directional tool according to claim 4, is characterized in that: the coding of described deviational survey data encoder and reduction deviational survey data encoder is 0/1 yard of serial communication.
6. mining wireless directional tool according to claim 5, is characterized in that: described drilling rod is common without cable drilling rod.
7. mining wireless directional tool according to claim 6, is characterized in that: described insulating short section comprises two joint insulating short sections, wherein one saves in the positive pole and the drilling rod that connect transmitter module, and another is saved in the negative pole and the stratum that connect transmitter module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073244.2A CN103790572A (en) | 2014-02-28 | 2014-02-28 | Mine wireless inclinometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073244.2A CN103790572A (en) | 2014-02-28 | 2014-02-28 | Mine wireless inclinometer |
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| Publication Number | Publication Date |
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| CN103790572A true CN103790572A (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410073244.2A Pending CN103790572A (en) | 2014-02-28 | 2014-02-28 | Mine wireless inclinometer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368680A (en) * | 2016-09-20 | 2017-02-01 | 贝兹维仪器(苏州)有限公司 | Wireless while-drilling testing device |
| CN106368681A (en) * | 2016-09-20 | 2017-02-01 | 贝兹维仪器(苏州)有限公司 | Wireless testing nipple |
| CN110431285A (en) * | 2017-06-28 | 2019-11-08 | 梅林科技公司 | Advanced passive interference processing, device and method in guided drilling system |
| CN110578514A (en) * | 2019-10-16 | 2019-12-17 | 高九华 | Directional construction track measuring and correcting device for rotary drill rod |
-
2014
- 2014-02-28 CN CN201410073244.2A patent/CN103790572A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368680A (en) * | 2016-09-20 | 2017-02-01 | 贝兹维仪器(苏州)有限公司 | Wireless while-drilling testing device |
| CN106368681A (en) * | 2016-09-20 | 2017-02-01 | 贝兹维仪器(苏州)有限公司 | Wireless testing nipple |
| CN106368680B (en) * | 2016-09-20 | 2023-09-26 | 贝兹维仪器(苏州)有限公司 | Wireless measurement while drilling device |
| CN110431285A (en) * | 2017-06-28 | 2019-11-08 | 梅林科技公司 | Advanced passive interference processing, device and method in guided drilling system |
| CN110578514A (en) * | 2019-10-16 | 2019-12-17 | 高九华 | Directional construction track measuring and correcting device for rotary drill rod |
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Application publication date: 20140514 |
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