CN203350458U - Portable coal seam channel wave acquisition and early warning system - Google Patents
Portable coal seam channel wave acquisition and early warning system Download PDFInfo
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- CN203350458U CN203350458U CN 201320394526 CN201320394526U CN203350458U CN 203350458 U CN203350458 U CN 203350458U CN 201320394526 CN201320394526 CN 201320394526 CN 201320394526 U CN201320394526 U CN 201320394526U CN 203350458 U CN203350458 U CN 203350458U
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Abstract
The utility model relates to a portable coal seam channel wave acquisition and early warning system, comprising a hand-held upper computer, a wireless transceiver, and a plurality of wireless sensing nodes. The wireless transceiver comprises a wireless communication module I and a USB communication interface circuit. The wireless sensing node comprises a detector module, an A/D conversion module, a microcontroller module, and a wireless communication module II connected in sequence. The wireless transceiver realizes communication connection with the wireless sensing nodes by the wireless communication module I and the wireless communication module II. The system can overcome disadvantages of difficult underground circuit layout, bad environment, weak channel wave signals, strong electromagnetic interference, etc. The system is characterized by medium distance, high synchronization precision, good flexibility, fast transmission speed, good storage capability, light weight, small volume, low power consumption, long stand-by time, etc. The system can satisfy requirements of mine channel wave detection device on aspects of portability, high resolution, large dynamic, and anti-interference.
Description
Technical field
The utility model relates to coal mine channel wave survey technology, is specifically related to a kind of Portable coal-seam slot wave that can be gathered, store, transmit, analyze the slot wave signal in coal seam and gathers early warning system.
Background technology
The seam seismic exploration technology is mainly used in the uncontinuity of down-hole detection of coal seam, as Coal Seam Thickness Change, large and small tomography, karst collapse col umn, spoil layer distribute, degrade band etc., the geologic anomaly that these sizes are less is difficult to detect with seismic prospecting or other exploration means on the ground, can be exactly that these little structures that can not be detected in advance may cause very large economic loss casualties even to regular coal work.Therefore, the modernization coal-mining technique is in the urgent need to verifying in advance the coal seam situation in workplace the place ahead.Features such as the seam seismic exploration technology is large with its detection range, precision is high, antijamming capability is strong, waveform character is more easy to identify and more and more be subject to coal-getter authors' attention.
Its exploration process of data acquisition system (DAS) of traditional high resolving power seam seismic exploration is to adopt manual method to excite slot wave, and slot wave propagates into observation station in coal seam, with wave detector, records shock wave, and transmission, analog to digital conversion become digital signal, and shows and storage.Process and imaging by the later stage computer data, infer coal geology structure situation.Novel digital geophone technology has obtained larger development in recent years, but most so-called digital geophone has just carried out the simulating signal of traditional sensors output the low Accuracy Figure of original position, solved the interference that the long line transmission of simulating signal brings, but because equipment volume is large, on-the-spot install complicated, with mine seismic prospecting equipment Requirement high-resolution, dynamic greatly, anti-interference, carry Mine pit survey easy for installation and require to differ larger.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of Portable coal-seam slot wave to gather early warning system, the shortcomings such as it can overcome that down-hole line arrangement difficulty, environment are severe, slot wave weak output signal, electromagnetic interference (EMI) are strong, the characteristics such as have medium and long distance, synchronization accuracy is high, dirigibility good, transmission speed is fast, storage capacity is strong, lightweight, volume is little, low in energy consumption, stand-by time is long, can meet the requirement that for mine slot wave detection is equipped in portability, high resolving power, large dynamic and anti-interference aspect.
The utility model solves the technical scheme that its technical matters adopts: a kind of Portable coal-seam slot wave gathers early warning system, comprises hand-held host computer, wireless transceiver and several wireless sensing nodes; Described wireless transceiver comprises wireless communication module I and usb communication interface circuit; Described wireless sensing node comprises wave detector module, A/D modular converter, micro controller module, the wireless communication module II be linked in sequence; Described wireless transceiver is connected with the USB interface of hand-held host computer by the usb communication interface circuit, and wireless transceiver is realized being connected with the wireless sensing node radio communication by wireless communication module I and wireless communication module II.
The beneficial effects of the utility model are: a kind of Portable coal-seam slot wave gathers early warning system, the shortcomings such as it can overcome that down-hole line arrangement difficulty, environment are severe, slot wave weak output signal, electromagnetic interference (EMI) are strong, the characteristics such as it has medium and long distance, synchronization accuracy is high, dirigibility good, transmission speed is fast, storage capacity is strong, lightweight, volume is little, low in energy consumption, stand-by time is long.Can meet the requirement that for mine slot wave detection is equipped in portability, high resolving power, large dynamic and anti-interference aspect.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing 1 is the structural representation that this Portable coal-seam slot wave gathers early warning system.
Accompanying drawing 2 is the use view that this Portable coal-seam slot wave gathers early warning system.
In figure, 1. hand-held host computer, 2. wireless transceiver, 3. wireless sensing node, 4. usb communication interface circuit, 5. wireless communication module I, 6. wireless communication module II, 7. micro controller module, 8. A/D modular converter, 9. wave detector module.
Embodiment
In the accompanying drawings, this Portable coal-seam slot wave gathers early warning system, comprises hand-held host computer 1, wireless transceiver 2 and several wireless sensing nodes 3; Described wireless transceiver 2 comprises wireless communication module I 5 and usb communication interface circuit 4; Described wireless sensing node 3 comprises wave detector module 9, A/D modular converter 8, micro controller module 7, the wireless communication module II 6 be linked in sequence; Described wireless transceiver 2 is connected with the USB interface of hand-held host computer 1 by usb communication interface circuit 4, and wireless transceiver 2 is realized being connected with wireless sensing node 3 radio communications by wireless communication module I 5 and wireless communication module II 6.
Described hand-held host computer 1 is arranged in order to information such as the sampling time to wireless sensing node 3, sample frequency, and the slot wave data that collect are stored, analyzed, upper computer software can real-time being analyzed coal seam information in down-hole, and the situations such as the tomography that may occur in coal seam, variation in thickness are carried out to early warning; Hand-held host computer 1 can, for panel computer or other portable electric appts, be convenient for carrying.
The slot wave data that described wireless transceiver 2 collects by reception of wireless signals wireless sensing node 3, and the slot wave data are sent to hand-held host computer 1 by usb communication interface circuit 4.
Described wireless sensing node 3 gathers the slot wave information in coal seam by its inner wave detector module 9, and by inner wireless communication module II 6, the slot wave information collected is sent to wireless transceiver 2.
Described wireless communication module I 5 and wireless communication module II 6 all adopt the CC2530 communication module of Texas Instrument, CC2530 is that it can set up powerful network node with low-down total material cost for a real SOC (system on a chip) solution of 2.4GHz IEEE 802.15.4, ZigBee and RF4CE application; CC2530 has high transmitting-receiving sensitivity and interference free performance, inner integrated enhancement mode 8051 CPU, and the underground communication distance can reach more than 150 meters, meets the designing requirement of native system.
Described wave detector module 9 is a kind of devices that coal seam slot wave signal can be converted to electric signal output, the wave detector kind is a lot of in the market, for the bandwidth that meets coal seam channel wave survey requirement, three-component, at a high speed, great dynamic range, anti-interference, the utility model is selected the three-component digital geophone VectorSeis of I/O company.
Described A/D modular converter 8 is selected the ADS1255 chip of Texas Instrument, and 24 bit resolutions, low-power consumption, low price, high sampling rate and the programmable gain amplifier carried have comparatively clear superiority.
Described micro controller module 7 adopts the STM32 chip, the STM32 chip is the microcontroller that STMicw Electronics releases a brand-new series, integrated various high-performance industry standard interfaces on sheet, and STM32 different model product has compatibility on pin and software, STM32 series 32 8-digit microcontrollers are that ARM company has breakthrough Cortex mono-M3 kernel, and this kernel is that specialized designs is in meeting collection high-performance, low-power consumption, the requirement of application in real time; The 8MHz RC oscillatory circuit of the embedded front adjustment of dispatching from the factory of STM32, can be used as master clock source; Thumb-2 instruction set has been brought higher instruction efficiency and stronger performance; The nested vectored interrupt controller closed by tight misfortune is in the past rapider to the response ratio of interrupt event.
Be below technical indicator of the present utility model and functional parameter:
A) technical indicator:
(1) frequency band range: 3Hz-100 Hz;
(2) gather acceleration: under the hard oscillation mode ± 6g; Under weak mode of oscillation ± 2g;
(3) resolution is 24;
(4) dynamic range: be not less than 100dB;
B) functional parameter:
(1) sampling rate: 2.5SPS～3000 SPS;
(2) gain amplifier able to programme: 2
0～2
6;
(3) number of samples: 024,2048,4096;
(4) interface: RS-232;
(5) wireless transmission rate: be greater than 115kbps;
(6) can expand number: 256.
Embodiment
2 can find out by reference to the accompanying drawings, in the both sides, tunnel of workplace and close workplace, are respectively equipped with the wireless sensing node 3 more than 2 or 2.First by hand-held host computer 1, by wireless transceiver 2, to wireless sensing node 3, send the configuration informations such as initialization networking, sampling time, sample frequency, then hand-held host computer 1 checks wireless sensing node 3 networking situations by specific software, after the initialization networking completes, sends initialization completion signal.Click " startup " on hand-held host computer 1 after, by wireless transceiver 2, send enabling signal, N wireless sensing node started working.Then in accompanying drawing 2, the position of beating point is knocked, after having knocked at every turn, N wireless sensing node 3 starts sampling simultaneously and hammered into shape the slot wave signal that knocks coal seam and produce by engineering, after reaching the acquisition time set, N wireless sensing node 3 sends to wireless transceiver 2 the slot wave information collected successively, and wireless transceiver 2 is crossed USB interface to the information exchange received again and passed to hand-held host computer 1.After receiving data, hand-held host computer 1 shows that data receiver completes, and then clicks " startup ", and is knocked and record ripple in the next beating point shown in accompanying drawing 2.
Finally after the slot wave record ripple that completes all beating points, hand-held host computer 1 by professional slot wave analysis software to slot wave information stored, analyzing and processing, according to the tectonic information of analysis result prediction inside, coal seam.
In accompanying drawing 2, it can also be seen that, this case has designed 6 beating points, they are divided into two groups of both sides that are symmetrically set in tunnel, distance between the adjacent beating point in the same side is 1m, distance between adjacent beating point and wireless sensing node 3 is 1m, the horizontal range of being located at the wireless sensing node 3 of side, tunnel and being located between the wireless sensing node 3 of workplace is 3m, and this set method makes the detection of slot wave more accurate.
Claims (4)
1. a Portable coal-seam slot wave gathers early warning system, it is characterized in that: comprise hand-held host computer (1), wireless transceiver (2) and several wireless sensing nodes (3); Described wireless transceiver (2) comprises wireless communication module I (5) and usb communication interface circuit (4); Described wireless sensing node (3) comprises wave detector module (9), A/D modular converter (8), micro controller module (7), the wireless communication module II (6) be linked in sequence; Described wireless transceiver (2) is connected with the USB interface of hand-held host computer (1) by usb communication interface circuit (4), and wireless transceiver (2) is realized being connected with wireless sensing node (3) radio communication by wireless communication module I (5) and wireless communication module II (6).
2. a kind of Portable coal-seam slot wave gathers early warning system according to claim 1, and it is characterized in that: described wireless communication module I (5) and wireless communication module II (6) all adopt the CC2530 communication module.
3. a kind of Portable coal-seam slot wave gathers early warning system according to claim 1, and it is characterized in that: described A/D modular converter (8) is selected the ADS1255 chip.
4. a kind of Portable coal-seam slot wave gathers early warning system according to claim 1, it is characterized in that: described micro controller module (7) adopts the STM32 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320394526 CN203350458U (en) | 2013-07-04 | 2013-07-04 | Portable coal seam channel wave acquisition and early warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320394526 CN203350458U (en) | 2013-07-04 | 2013-07-04 | Portable coal seam channel wave acquisition and early warning system |
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| Publication Number | Publication Date |
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| CN203350458U true CN203350458U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320394526 Expired - Fee Related CN203350458U (en) | 2013-07-04 | 2013-07-04 | Portable coal seam channel wave acquisition and early warning system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111479A (en) * | 2014-07-17 | 2014-10-22 | 河北煤炭科学研究院 | Underground coal mine in-excavating channel wave seism fore-detection method |
| CN104199110A (en) * | 2014-09-05 | 2014-12-10 | 河北煤炭科学研究院 | Method for channel wave earthquake stereoscopic advanced detection during underground coal mine support |
| CN110320551A (en) * | 2019-07-16 | 2019-10-11 | 北京建筑大学 | Mine working face all-wave field data acquisition system and method |
-
2013
- 2013-07-04 CN CN 201320394526 patent/CN203350458U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111479A (en) * | 2014-07-17 | 2014-10-22 | 河北煤炭科学研究院 | Underground coal mine in-excavating channel wave seism fore-detection method |
| CN104199110A (en) * | 2014-09-05 | 2014-12-10 | 河北煤炭科学研究院 | Method for channel wave earthquake stereoscopic advanced detection during underground coal mine support |
| CN110320551A (en) * | 2019-07-16 | 2019-10-11 | 北京建筑大学 | Mine working face all-wave field data acquisition system and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20140704 |
|
| EXPY | Termination of patent right or utility model |