CN108540154A - Mine-used I. S signal receiving device - Google Patents

Abstract

The invention discloses a kind of Mine-used I. S signal receiving devices.Wherein, which includes：Receiving terminal, the electromagnetic wave signal for receiving the transmitting of the signal measurement apparatus in target hole；Mine sensors, the mud pulse signal for receiving the transmitting of the signal measurement apparatus in target hole；Receiver, it is connect with receiving terminal and mine sensors, for receiving electromagnetic wave signal and mud-pulse wireless signal, electromagnetic wave signal and mud-pulse wireless signal are filtered, and determine the drilling track and engineering parameter of target borehole according to the filtering signal obtained after being filtered.The present invention solve in the related technology mining signal reception device in hole emit signal receiving modes it is single, the technical problem for causing signal receiving device applicability poor.

Description

Intrinsically safe signal receiving device for mine

technical field

The invention relates to the technical field of signal processing, in particular to a mine-used intrinsically safe signal receiving device.

Background technique

In related technologies, for the petroleum industry or coal mining industry, the requirements for various drilling equipment and technology are getting higher and higher, not only the high efficiency of drilling construction is required, but also the precise control of drilling trajectory is required. At present, the mainstream equipment and technology in coal mines and other fields are still wired measurement devices, which generally transmit signals through the central cable-type drill pipe, which has problems such as complex operation process, poor timeliness and reliability, poor adaptability, and high cost of drilling tools.

In addition, there are problems such as single function, complex internal structure, and imperfect processing function of the signal receiving device in the relevant documents. For example, some orifice receiving devices are used in conjunction with the coal mine wired measurement-while-drilling system, using RS232/RS485 mode and processing circuits, while another part of the orifice receiving devices can be equipped with wireless measurement-while-drilling systems, but limited to one system, for coal mines The orifice receiving device matched with the wireless measurement-while-drilling system only works in a single electromagnetic wave signal or a mud pulse signal, and there is a problem of poor applicability in a single receiving mode. Moreover, in the relevant documents, the hardware composition scheme of the receiving device is mostly given, but no solution is given for the specific signal filtering, decoding recovery processing and other circuit functions and related software practical application and operation problems, and there is a lack of information in the circuit and software. Smart devices and control systems result in poor practicality and user experience.

Aiming at the technical problem in the above-mentioned related art that the signal receiving mode of the drilling rig is single, resulting in poor applicability of the signal receiving device, no effective solution has been proposed yet.

Contents of the invention

An embodiment of the present invention provides an intrinsically safe signal receiving device for mine use, to at least solve the technical problem in the related art that the signal receiving device for mine use has a single receiving mode for in-hole transmission signals, resulting in poor applicability of the signal receiving device.

According to an aspect of an embodiment of the present invention, there is provided an intrinsically safe signal receiving device for mines, including: a receiving terminal for receiving electromagnetic wave signals emitted by a signal measuring device in a target hole; a mine sensor for receiving target The mud pulse signal emitted by the signal measuring device in the hole; the receiver, connected with the receiving terminal and the mine sensor, is used to receive the electromagnetic wave signal and the mud pulse wireless signal, and compare the electromagnetic wave signal and the The above-mentioned mud pulse wireless signal is filtered, and the drilling trajectory and engineering parameters of the target borehole are determined according to the filtered signal obtained after filtering.

Further, the receiver includes a front-end processing module, the front-end processing module is respectively connected with the receiving terminal and the mine sensor for processing the electromagnetic wave signal and the mud pulse wireless signal, wherein, The front-end processing module at least includes: a signal transformer for filtering and coupling the electromagnetic wave signal, wherein the signal transformer is provided with double windings; a low-pass filter is used for wirelessly generating the mud pulse The preset environmental noise of the signal is filtered out.

Further, the receiver also includes a signal processing circuit, connected to the front-end processing module, for transmitting the processed electromagnetic wave signal and the mud pulse wireless signal to a data processor, wherein the signal processing The circuit includes: a voltage acquisition module, configured to acquire an external voltage; a power conversion module, connected to the voltage acquisition module, configured to convert the external voltage into a target voltage used by the receiver, for the Multiple modules supply power; the analog signal processing module is used to perform differential signal amplification and multi-order low-pass filter processing on the analog signal processed by the front-end processing module; the analog-to-digital conversion chip is used to collect the electromagnetic wave signal and The mud pulse wireless signal is subjected to analog-to-digital conversion to obtain a target digital signal, and the target digital signal is sent to the target single-chip microcomputer; the target single-chip microcomputer is connected with the analog-to-digital conversion chip for processing the target digital signal signal, and send the processed signal to the data processor.

Further, the receiver also includes a data processor connected to the signal processing circuit for processing the signal received by the data processor to display the drilled trajectory and engineering parameters , wherein the data processor includes: a waveform signal acquisition module, configured to acquire the target digital signal transmitted by the signal processing circuit to obtain a waveform signal; a decoding waveform adjustment unit, connected to the waveform signal acquisition module, for displaying waveform signal, and decode the target digital signal to obtain the target decoded data; the tool surface display module is connected with the decoded waveform adjustment unit, and is used to determine the target decoded data, the circular dial and the target pointer Drilling trajectory and engineering parameters, and display multiple angle parameters and displacement directions of the target drilling machine after each drilling.

Further, the data processor further includes: a measurement data display circuit, connected to the waveform signal acquisition module, for determining the parameters measured in the hole of the target drilling rig according to the target digital signal, and by preset The form shows the target data measured after each measurement operation is completed; the track drawing circuit is connected with the waveform signal acquisition module, and is used to determine that the target drilling rig measures after each drilling operation according to the target digital signal The data and the target drilling length are used to obtain the two-dimensional trajectory of the target drilling machine after each drilling operation.

Further, the data processor also includes: a data saving module, configured to save multiple items of data of the target drilling rig each time it operates, and the multiple items of data include at least one of the following: operating time, operating location, operating time No.

Further, the data processor further includes: a trajectory design module, configured to determine a drilling direction and a drilling angle before each drilling operation of the target drilling rig, so as to obtain a target drilling trajectory.

Further, the receiving terminal includes: a metal ring, arranged on the ground of the borehole corresponding to the target drilling machine according to a preset distance; a plurality of cables, respectively connecting the target drilling machine and the metal ring, for transmitting wireless signals.

Further, the mine sensor is connected to the target through pipe, and the mud pulse wireless signal is determined by detecting the mud pressure change data caused by the signal driven by the signal transmitting device in the hole corresponding to the target drilling rig.

Further, the signal receiving device further includes a power supply assembly, wherein the power supply assembly at least includes: a battery pack and an intrinsically safe protection circuit, the battery pack includes a plurality of batteries connected in series and/or in parallel, and the power supply assembly Provides power to the receiver.

In the embodiment of the present invention, the receiving terminal can be used to receive the electromagnetic wave signal emitted by the signal measuring device in the hole, and the mud pulse wireless signal emitted by the signal measuring device in the hole can be received through the mine sensor, and finally the receiver can The electromagnetic wave signal and the mud pulse wireless signal are filtered, and the drilling trajectory and engineering parameters of the target borehole are determined according to the filtered signal obtained after filtering. In this embodiment, two kinds of signals can be received by the receiver, including electromagnetic wave signal and mud pulse wireless signal, the received signal is no longer single, and the received signal mode is diversified, and the target drilling can be determined by the received signal Real-time understanding of the drilling trajectory and engineering parameters, thereby solving the technical problem of poor applicability of the signal receiving device in the related art that the mining signal receiving device has a single receiving mode for the transmitted signal in the hole.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the present invention and constitute a part of the application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations to the present invention. In the attached picture:

Fig. 1 is a schematic diagram of a mine intrinsically safe signal receiving device according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of an intrinsically safe multifunctional wireless signal receiving device for mines according to an embodiment of the present invention.

Detailed ways

In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

In order to facilitate users to understand the present invention, some terms or nouns involved in the various embodiments of the present invention are explained below:

Intrinsic safety type: Intrinsic safety type, that is, the circuit inside the device is an intrinsically safe circuit.

The following embodiments of the present invention can be applied in coal mine, petroleum and other exploration fields, and the solutions that require drilling rigs to drill holes can all be within the scope of the present application. Among them, this application does not specifically limit the specific use of coal mines involved and the type and model of the drilling rig used. If the following mining intrinsically safe receiving devices in this application are used in the process of using the drilling rig, then in this application within the scope of the application. Preferably, the signal receiving device described below in this application can be used in the scheme of drilling trajectory and geological information such as coal mine and gas drainage in the field of geological exploration.

Wherein, in the following embodiments of the present invention, an intrinsically safe mine-used multifunctional signal receiving device is provided, and the signal received by the signal receiving device can be a wireless signal, that is, the application can realize wireless signal transmission, It can be used for wireless reception of coal mine drilling trajectory and geological survey information, and transmits the measurement data in the form of electromagnetic waves or mud pulses to the orifice receiving device, and after filtering, collecting and other processing, it is transmitted to the processor CPU at high speed through USB In, and through the data processor to decode and display the data and other functions. That is to say, the received signal in the present invention includes electromagnetic wave signal and/or mud pulse signal, and the modes of received signal are diversified, and no single received signal is limited. Various embodiments of the present invention are described below.

Embodiment one

Fig. 1 is a schematic diagram of a mine intrinsically safe signal receiving device according to an embodiment of the present invention. As shown in Fig. 1, the signal receiving device may include:

The receiving terminal 11 is used to receive the electromagnetic wave signal emitted by the signal measuring device in the target hole.

Wherein, the type and model of the target drilling machine are not specifically limited in the embodiment of the present invention. During the drilling construction process, the signal measuring device in the hole will transmit signals with electromagnetic waves, and the receiving terminal can be set at the hole opening to receive the electromagnetic wave signals on the top of the drilling rig in real time and send the electromagnetic wave signals to the receiver.

Optionally, the receiving terminal 11 may include: a metal ring, arranged on the ground of the borehole corresponding to the target drilling machine according to a preset distance; multiple cables, respectively connected to the target drilling machine and the metal ring, for transmitting wireless signals. Among them, the metal ring can be a circular metal ring, and the receiving terminal can be connected to two cables. One end of the receiving terminal is connected to the drilling machine, and the other end is connected to the circular metal ring, and is placed on the ground on the surface of the coal seam according to the set distance to receive the signal in the hole. An electromagnetic wave signal emitted by a transmitter and sent to a receiver.

The mining sensor 12 is used to receive the mud pulse signal emitted by the signal measuring device in the target hole.

Among them, the mining sensor is connected to the target through pipe, and the mud pulse wireless signal is determined by detecting the mud pressure change data caused by the signal driven by the signal transmitting device in the hole corresponding to the target drilling machine. During the construction process, the sensor can be connected to the target pipe through the tee, which can detect the mud pressure change caused by the signal driven by the signal transmitter in the hole, and send the mud pulse wireless signal to the receiver.

The receiver 13 is connected with the receiving terminal and the mining sensor, and is used to filter the electromagnetic wave signal and the mud pulse wireless signal, and determine the drilling trajectory and engineering parameters of the target drilling hole according to the filtered signal obtained after filtering. That is, the receiver is connected with the receiving terminal and the mine sensor to obtain the electromagnetic wave signal and the mud pulse signal, and process these two signals to obtain the engineering parameters of the drilling trajectory of the target borehole. Wherein, in the embodiment of the present invention, the internal parameters of the borehole are not limited, but may include but not limited to: azimuth angle, pitch angle, tool face angle, temperature value, pressure value or target displacement direction.

Through the above-mentioned signal receiving device, the receiving terminal 11 can be used to receive the electromagnetic wave signal emitted by the signal measuring device in the hole, and the mud pulse wireless signal emitted by the signal measuring device in the hole can be received through the mining sensor 12, and finally can be obtained by receiving The device 13 performs filtering processing on the electromagnetic wave signal and the mud pulse wireless signal, and determines the drilling trajectory and engineering parameters of the target drilling hole according to the filtering signal obtained after the filtering processing. In this embodiment, two kinds of signals can be received by the receiver, including electromagnetic wave signal and mud pulse wireless signal, the received signal is no longer single, and the received signal mode is diversified, and the target drilling can be determined by the received signal Real-time understanding of the drilling trajectory and engineering parameters, thereby solving the technical problem of poor applicability of the signal receiving device in the related art that the mining signal receiving device has a single receiving mode for the transmitted signal in the hole.

An optional embodiment, the receiver 13 can include a front-end processing module, the front-end processing module is connected to the receiving terminal and the mine sensor respectively, for processing the electromagnetic wave signal and the mud pulse wireless signal, wherein the front-end processing module is at least It includes: a signal transformer, used for filtering and coupling processing of electromagnetic wave signals, wherein the signal transformer is provided with double windings; a low-pass filter, used for filtering the preset environmental noise that generates the mud pulse wireless signal.

Among them, the signal transformer, as an electromagnetic wave signal preprocessing device, adopts a double winding method, has low matching impedance, high inductance, and high dielectric strength. The signal transformation ratio can be 1:1, and it can be installed in a cylindrical In the shielding cylinder, the filter processing and coupling processing of the input signal are realized.

In addition, the receiver also includes a signal processing circuit, which is connected with the front-end processing module, and is used to transmit the processed electromagnetic wave signal and mud pulse wireless signal to the data processor, wherein, the signal processing circuit includes: a voltage acquisition module, which is used to acquire the external Voltage; the power conversion module is connected with the voltage acquisition module, and is used to convert the external voltage into the target voltage used by the receiver, so as to supply power for multiple modules in the receiver; the analog signal processing module is used to process the front-end processing module The analog signal is processed by differential signal amplification and multi-order low-pass filtering; the analog-to-digital conversion chip is used to perform analog-to-digital conversion on the collected electromagnetic wave signal and mud pulse wireless signal to obtain the target digital signal, and send the target digital signal to the target microcontroller Middle; the target single-chip microcomputer is connected with the analog-to-digital conversion chip for processing the target digital signal and sending the processed signal to the data processor.

Wherein, the external voltage obtained by the voltage acquisition module in the above-mentioned signal processing circuit can be of various types, for example, 15V, and the target voltage converted by the power conversion module is generally lower, the voltage used by the receiver, such as 5V . In addition, the signal processing circuit can also include an analog control chip, which can select different resistances through different control signals output by the pins of the single-chip microcomputer, and realize different resistances such as 0dB, 20dB, 40dB, 60dB, 80dB, 100dB, 120dB, etc. gain.

Optionally, the analog-to-digital conversion chip can have built-in analog input clamp protection, second-order anti-aliasing filter, track-and-hold amplifier, and a true bipolar analog input range of ±10V.

It should be noted that the receiver also includes a data processor connected to the signal processing circuit for processing the signal received by the data processor to display the target direction of the elbow of the target drilling machine, wherein the data processing The device includes: a waveform signal acquisition module, used to acquire the target digital signal transmitted by the signal processing circuit, and obtain the waveform signal; a decoding waveform adjustment unit, connected to the waveform signal acquisition module, used to display the waveform signal, and decode the target digital signal, Obtain the target decoding data; the tool face display module is connected with the decoding waveform adjustment unit, and is used to determine the drilling trajectory and engineering parameters according to the target decoding data, the ring dial and the target pointer, and display the target drilling machine after each drilling. Angle parameter and displacement direction.

Preferably, the above-mentioned tool face display module can use a 360° circular dial plus a pointer to display the drilling trajectory and engineering parameters in real time. In the display, 12 o'clock represents the elbow upward, and the dial represents the elbow of the drilling tool in a clockwise direction. Angle position in 0-360°.

Among them, the waveform signal acquisition module can also include a graphic display box, a decoding parameter adjustment sub-module, and a gain control sub-module, so as to complete wireless signal waveform display, signal demodulation, hardware gain adjustment, decoding raw data display, decoding threshold adjustment, etc. Function.

Optionally, the above-mentioned data processor also includes: a measurement data display circuit, connected to the waveform signal acquisition module, used to determine the parameters measured in the hole of the target drilling rig according to the target digital signal, and display each measurement operation in a preset form The measured target data after completion; the trajectory drawing circuit is connected with the waveform signal acquisition module, and is used to determine the data and the target drilling length measured by the target drilling rig after each drilling operation according to the target digital signal, and obtain the target drilling rig in 2D trajectory after each drilling operation.

For the above-mentioned data processor, it may also include: a data saving module, which is used to save multiple data of each operation of the target drilling rig, and the multiple data include at least one of the following: operation time, operation location, and operation number.

Optionally, the data processor further includes: a trajectory design module, configured to determine the drilling direction and drilling angle before each drilling operation of the target drilling rig, so as to obtain the target drilling trajectory.

In an optional embodiment, the signal receiving device further includes a power supply assembly, wherein the power supply assembly at least includes: a battery pack and an intrinsically safe protection circuit, the battery pack includes multiple batteries connected in series and/or in parallel, and the power supply assembly is a receiver Provide power.

In another optional embodiment, the signal receiving device may further include: a keyboard, which may be connected to a data processor to receive control instructions, and display the operation data of the target drilling rig and control the working direction of the target drilling rig according to the control instructions. For example, the power supply components are integrated with epoxy resin potting. The battery pack is made of lithium batteries, with a single cell voltage of 3.7V, which has a lower volume-to-energy ratio than nickel-metal hydride batteries. A set of 4 cells is connected in series, and three groups are connected in parallel, with a capacity of 80WH.

The above embodiments of the present invention provide an intrinsically safe mining signal receiving device, which is compatible with dual-mode receiving functions of electromagnetic waves and mud pulse signals, and is an innovative application of wireless measurement technology in the coal mine industry. Compared with the existing wired measurement system and single-mode wireless measurement system receiving device, the present invention has the explosion-proof design, and the internal circuit and modules are simple, with high degree of integration, small size, simple and efficient operation, and strong applicability , reliability, and other obvious advantages compared with existing technical solutions. At present, the system has completed prototype design, production, certification and operation.

Embodiment two

Fig. 2 is a schematic diagram of an intrinsically safe mine multifunctional wireless signal receiving device according to an embodiment of the present invention. As shown in Fig. 2 , the receiving device may include: a receiving terminal 21, a mine sensor 22, a power supply assembly 23, Intrinsically safe receiver 24, intrinsically safe keyboard 25, wherein,

The receiving terminal 21 consists of two cables and a circular metal ring. This device is suitable for electromagnetic wave wireless signal reception. During construction, one end of the cable is connected to the drilling rig, and the other cable is connected to the circular metal ring placed on the surface of the coal seam according to a set distance. The ground receives the wireless signal emitted by the electromagnetic wave device in the hole and sends it to the receiver.

The mining sensor 22 adopts an intrinsically safe explosion-proof pressure sensor, which can output a 4-20mA current signal. This device is suitable for receiving mud pulse wireless signals. During construction, the sensor can be connected to the standpipe through a tee to detect The mud pressure changes caused by the signal driven by the signal transmitter in the hole, and the signal is input to the receiver.

In the signal receiving device provided in the embodiment of the present invention, its internal signal processing circuit can complete the processing and collection of electromagnetic wave signals, and can also complete the pressure sensor signal collection under the mud pulse mode, realizing two working modes of a set of devices, which greatly improves the usability of the instrument.

Optionally, the power supply assembly 23 includes a rechargeable battery pack and an intrinsically safe protection circuit, and the overall design is integrated with epoxy resin potting. The rechargeable battery pack adopts lithium batteries, and the single-cell voltage reaches 3.7V. Compared with nickel-metal hydride batteries, it has a lower volume-to-energy ratio. It adopts a set of 4 cells in series, and three groups in parallel, with a capacity of 80WH. Intrinsically safe protection circuits and The output current is limited to meet the requirements of intrinsically safe design and provide power for intrinsically safe receivers.

It should be noted that the intrinsically safe receiver 24 can adopt an intrinsically safe design in accordance with the relevant standards of GB3863, and the exterior is composed of a casing and an LED display to meet the explosion-proof requirements of coal mines. The interior of the receiver is composed of a front-end processing module, a signal processing and acquisition circuit, an embedded low-power CPU and a receiver. Install WINDOWS system and data processing software to realize human-computer interaction. The peripheral layout includes power switch, power input, USB, electromagnetic wave and mud pulse signal input and other interfaces. Wherein, the intrinsically safe receiver 24 includes: a front-end processing module 2401 , a signal processing and acquisition circuit 2402 , an embedded CPU 2403 , and a liquid crystal screen 2404 . Optionally, the embedded CPU can run data processing software to process related signals.

Optionally, the front-end processing module 2401 includes a signal transformer and a low-pass filter inside. The signal transformer is used as an electromagnetic wave signal preprocessing device and adopts a double winding method, which has low matching impedance, high inductance, high dielectric strength, and signal transformation ratio The ratio is 1:1, and it is installed in a cylindrical shielding cylinder potted with epoxy resin to achieve filtering and coupling of the input signal. When the input signal is less than the millivolt level, the filtering effect of the signal transformer is remarkable. As a mud pulse signal preprocessing circuit, the low-pass filter can filter out noise and interference outside the passband in the construction environment.

The signal processing and acquisition circuit 2402 includes a DC-DC module, an analog signal processing module, an analog control chip, an AD conversion chip, a single-chip microcomputer acquisition module, and the like. The DC-DC module realizes the conversion of DC+15V voltage to DC±5V voltage, and supplies power for each module and chip in the circuit. The analog signal processing module mainly implements differential signal amplification, multi-order low-pass filtering, and anti-aliasing filtering functions. It adopts a customized integrated circuit and has the characteristics of small size and high reliability. The analog control chip gates different resistors through different control signals output by the pins of the single-chip microcomputer, and realizes different amplification factors such as 0dB, 20dB, 40dB, 60dB, 80dB, 100dB, and 120dB. The AD conversion chip (that is, the analog-to-digital conversion module in the above embodiment) is a 16-bit, 8-channel synchronous sampling analog-to-digital data acquisition chip, with built-in analog input clamp protection, second-order anti-aliasing filter, track-and-hold amplifier, and true bipolar The stable analog input range is ±10V, and all channels can be sampled at a throughput rate of up to 200kSPS. The sampled analog signal is converted into a digital signal and sent to the microcontroller module. The single-chip acquisition module adopts a high-speed, pipeline-structured microcontroller core, and has a USB function controller, which provides functions such as clock, control signal, digital signal acquisition, and USB communication with the CPU by writing a compiled C language program.

It should be noted that the embedded CPU2403 can include a graphics card, a sound card, and a network card, and is compatible with multiple interfaces, such as USB2.0, RS485, and RS232. It can run WINDOWS system as the carrier of data processing software. In another optional implementation, the data processing software may include modules such as decoding waveform adjustment, tool face display, real-time interface for measurement data, real-time drawing of porous trajectory, real-time data list, construction trajectory design, and database storage.

Among them, the decoding waveform adjustment module can include sub-modules such as a graphic display box, decoding parameter adjustment, and gain control, which can complete functions such as wireless signal waveform display, signal demodulation, hardware gain adjustment, decoding raw data display, and decoding threshold adjustment. As for the tool face display module, a 360° circular dial and a pointer can be used to display the direction of the drilling tool elbow in real time. The 12 o’clock in the display means that the elbow is facing upwards, and the clockwise direction of the dial indicates that the drilling tool elbow is in the range of 0-360. ° angular position.

It should be noted that the measurement data real-time interface is used to display the decoded data of the measurement parameters in the hole, and the current data measured when a measurement operation is completed is displayed in the form of hexadecimal numbers.

Optionally, the real-time drawing module of the porous trajectory can complete the calculation and draw the two-dimensional trajectory display of the actual drilling according to the measured data after each drilling and the actual drilling length. In addition, the above-mentioned real-time data list can be arranged and displayed in the same list according to the inclination angle, azimuth, tool face, voltage, left and right displacement, and up and down displacement of each drilled single hole during single hole trajectory drilling.

Optionally, the construction trajectory design module can design a reasonable and compliant theoretical trajectory according to the requirements of construction and geology before carrying out a hole construction, and the actual drilling trajectory in the later construction should be as close as possible to the designed trajectory. An optional implementation mode, the above-mentioned data saving module can save the measured and calculated data during construction, and it is an automatic saving mode for real-time data. The data, etc. are packaged and stored in an independent folder for later reference and filing, in the form of an EXCEL table.

Optionally, for the post-curve processing module, in the embodiment of the present invention, it can process the drilling trajectory diagram of a single job number, and the trajectory diagram of the driving surface, etc., and can output various graphics by printing or PDF format, so that users can Can more intuitively see the working progress of the drilling rig.

The technical solution of the present invention can be based on the relevant requirements of the GB3836 standard, and the device type selection can be carried out according to the requirements of temperature group, device derating, device energy, etc. before the design, and the relevant circuit and structure are added to the intrinsically safe design, and the power conversion in the circuit Add short-circuit self-recovery and over-current and over-voltage dual protection, and the selection of connectors is designed according to the requirements of electrical clearance and creepage distance to achieve intrinsically safe design.

The internal circuit of the receiver of the present invention realizes miniaturization and dual-mode signal processing and acquisition functions. The design scheme has been repeatedly optimized and tested, and integrated modules are used to realize complex signal processing and acquisition functions. The integrated design makes the circuit size simplified, and the entire orifice There is only one circuit board in the receiver, which transmits signals with the embedded motherboard through the USB interface, so that the receiver is miniaturized and easy to carry.

And, the internal signal processing circuit of the receiver of the embodiment of the present invention adopts a single-chip microcomputer plus an analog chip, sends different digital signals through the setting of the gain multiple in the software, selects different amplification factors, and finally realizes that the signal is changed from 0dB, 20dB, 40dB, 60dB, 80dB, 100dB, 120dB amplification factor. When the signal reaches the microvolt level, it can still be successfully received.

Since the current wireless measurement-while-drilling system signals are mostly one-way transmission, the receiving device of the present invention is a passive receiving method, and generally adopts human intervention to adjust the threshold to capture the synchronization head. Attenuation law, the noise threshold and the minimum difference threshold between noise and signal are preset. The noise threshold will automatically learn and compensate the noise threshold after a 30S data acquisition after a certain period of time, and the signal can be set in real time. Interval detection (for example , interval 12S or 5S detection), if the difference between the signal amplitude and the noise threshold is greater than the minimum difference threshold, the decoding threshold is automatically set for data decoding.

The serial numbers of the above embodiments of the present invention are for description only, and do not represent the advantages and disadvantages of the embodiments.

In the above-mentioned embodiments of the present invention, the descriptions of each embodiment have their own emphases, and for parts not described in detail in a certain embodiment, reference may be made to relevant descriptions of other embodiments.

In the several embodiments provided in this application, it should be understood that the disclosed technical content can be realized in other ways. Wherein, the device embodiments described above are only illustrative. For example, the division of the units may be a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or may be Integrate into another system, or some features may be ignored, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of units or modules may be in electrical or other forms.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.

Claims (10)

1. a kind of Mine-used I. S signal receiving device, which is characterized in that including：

Receiving terminal, the electromagnetic wave signal for receiving the transmitting of the signal measurement apparatus in target hole；

Mine sensors, the mud pulse signal for receiving the transmitting of the signal measurement apparatus in target hole；

Receiver is connect with the receiving terminal and the mine sensors, for receiving the electromagnetic wave signal and the mud Pulse wireless signal is starched, the electromagnetic wave signal and the mud-pulse wireless signal are filtered, and according to filtering The filtering signal obtained after processing determines the drilling track and engineering parameter of target borehole.

2. signal receiving device according to claim 1, which is characterized in that the receiver includes front end processing block, The front end processing block is connect with the receiving terminal and the mine sensors respectively, for the electromagnetic wave signal and The mud-pulse wireless signal is handled, wherein the front end processing block includes at least：

Signal transformer, for being filtered to the electromagnetic wave signal and coupling processing, wherein the signal transformer It is provided with double winding；

Low-pass filter, for carrying out filtering out processing to the default ambient noise for generating the mud-pulse wireless signal.

3. signal receiving device according to claim 2, which is characterized in that the receiver further includes signal processing electricity Road is connect with the front end processing block, for will treated the electromagnetic wave signal and the mud-pulse wireless signal It is transmitted to data processor, wherein the signal processing circuit includes：

Voltage acquisition module, for obtaining external voltage；

Power conversion module is connect with the voltage acquisition module, is made for the external voltage to be converted to the receiver Target voltage, with for multiple module for power supply in the receiver；

Analog signal processing module, for by the front end processing block treated analog signal carry out differential signal amplification and Multistage low-pass filtering treatment；

Modulus conversion chip, for carrying out modulus to collecting the electromagnetic wave signal and the mud-pulse wireless signal and turning It changes, obtains target number signal, and the target number signal is sent in target microcontroller；

The target microcontroller is connect with the modulus conversion chip, for handling the target number signal, and will be after processing Signal be sent in data processor.

4. signal receiving device according to claim 3, which is characterized in that the receiver further includes data processor, The data processor is connect with the signal processing circuit, at the signal for being received to the data processor Reason, drilling track and engineering parameter to show, wherein the data processor includes：

Waveform signal acquisition module, the target number signal for obtaining the signal processing circuit transmission, obtains waveform signal；

Waveform adjustment unit is decoded, is connect with the waveform signal acquisition module, is used for display waveform signal, and to the target Digital signal is decoded, and obtains target decoder data；

Tool-face display module is connect with the decoding waveform adjustment unit, for according to the target decoder data and annular Dial plate and object pointer determine the drilling track and engineering parameter, and display target drilling machine is multiple after each drilling Angle parameter and direction of displacement.

5. signal receiving device according to claim 4, which is characterized in that the data processor further includes：

Measurement data display circuit is connect with the waveform signal acquisition module, for according to the target number signal, determining The parameter measured in the hole of the target drilling machine, and show to measure every time by presets and operate target measured after the completion Data；

Track protracting circuit is connect with the waveform signal acquisition module, described according to the target number signal, determining Target the drilling machine data that measure and target after carrying out drilling operation every time creep into length, obtain the target drilling machine every time into Two-dimentional track after row drilling operation.

6. signal receiving device according to claim 4, which is characterized in that the data processor further includes：

Data storage module, for preserving multinomial data of the target drilling machine per subjob when, under the multinomial data include At least one state：Activity duration, job position, job number.

7. signal receiving device according to claim 4, which is characterized in that the data processor further includes：

Trajectory Design module, for before the target drilling machine carries out drilling operation every time, determining drilling direction and dilling angle, To obtain target drilling trace.

8. signal receiving device according to claim 1, which is characterized in that the receiving terminal includes：

Becket is arranged according to pre-determined distance on the ground of the corresponding drilling of target drilling machine；

Multi-cable is separately connected target drilling machine and the becket, is used for transmission wireless signal.

9. signal receiving device according to claim 1, which is characterized in that it is logical that the mine sensors are connected to target Pipe, mud pressure variations number caused by the signal by detecting the sender unit driving in the hole corresponding to target drilling machine According to determining the mud-pulse wireless signal.

10. signal receiving device according to claim 1, which is characterized in that the signal receiving device further includes power supply Component, wherein the power supply module includes at least：Battery pack and safety protection circuit, the battery pack include multi-section serial electricity The battery of pond and/or parallel connection, the power supply module provide power supply for the receiver.