CN204043656U - Land subsidence layering in-situ monitoring device - Google Patents
Land subsidence layering in-situ monitoring device Download PDFInfo
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- CN204043656U CN204043656U CN201420465879.2U CN201420465879U CN204043656U CN 204043656 U CN204043656 U CN 204043656U CN 201420465879 U CN201420465879 U CN 201420465879U CN 204043656 U CN204043656 U CN 204043656U
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Abstract
The utility model relates to a kind of land subsidence layering in-situ monitoring device, comprise: downhole device, sensor probe and monitoring instrument, wherein, described downhole device and described sensor probe are electrically connected with monitoring instrument respectively, described sensor probe is placed on described downhole device, in described downhole device operational process, continuous feedback pulse signal gives described monitoring instrument, and its current signal upwards detected different rock-layers from bottom is fed back to described monitoring instrument by described sensor probe; Described monitoring instrument receives the pulse signal of described downhole device feedback and the current signal of described sensor probe feedback; The utility model achieves layering to land subsidence, automatically monitors image data.
Description
Technical field
The utility model relates to electronic monitoring technical field, particularly relates to land subsidence layering in-situ monitoring device.
Background technology
Current China has had more than 50 city that Earth Subsidence Hazards occurs, and accounts for the first in the world, China's Ground Subsidence Monitoring using Yangtze River Delta, the North China Plain and Fen-Wei basin be as key area.Present stage China regional ground settlement monitoring technology is mainly in modes such as InSAR, GPS, geodetic level(l)ings, InSAR can monitor out the change of land subsidence sensitively, but due to the land subsidence general time span several years, be therefore subject to the restriction of the factor such as Temporal decoherence and atmospheric effect.And GPS, geodetic level(l)ing etc. affect by factors such as the skill quality of operating personnel and occupation spirit by equipment and monitoring, in point-like monitoring, no matter the mode such as base-rock marker, layering mark is from floor area, or the aspects such as boring are considered, its early investment is huge, execution conditions are harsh, it cannot monitor in property networking in feasible region simultaneously, limits its development.There is Earth Subsidence Hazards in existing more than 50 cities of China and area, coverage is wide, along with developing of disaster, existing monitoring means more and more can not meet the demand of monitoring at present, therefore a kind of not only practical but also cost-saving monitoring method of research and development is badly in need of, realize carrying out AUTOMATIC ZONING monitoring to point-like land subsidence in a well to gather, realize the structure of monitoring net, grasp generation and the development trend in land subsidence region on the whole.
Utility model content
In view of above-mentioned analysis, the utility model aims to provide a kind of base land subsidence layering in-situ monitoring device, the problems such as existing Ground Subsidence Monitoring acquisition cost is high in order to solve, limited use.
The purpose of this utility model is mainly achieved through the following technical solutions:
The utility model provides a kind of land subsidence layering in-situ monitoring device, comprise: downhole device 1, sensor probe 2 and monitoring instrument, wherein, described downhole device 1 and described sensor probe 2 are electrically connected with monitoring instrument respectively, described sensor probe 2 is placed on described downhole device 1, in described downhole device 1 operational process, continuous feedback pulse signal gives described monitoring instrument, and its current signal upwards detected different rock-layers from bottom is fed back to described monitoring instrument by described sensor probe 2; Described monitoring instrument receives the pulse signal of described downhole device 1 feedback and the current signal of described sensor probe 2 feedback.
Further, described downhole device 1 specifically comprises: motor control interface 11, synchronous motor 12, winch 13, photoelectric encoder 14, feeding electric motors power supply 15, wherein, described synchronous motor 12 one end is connected with described monitor by described motor control interface 11, the other end is connected to described winch 13, described photoelectric encoder 14 combines with the pulley on described winch 13, drive described photoelectric encoder 14 to rotate during pulley rotation, described photoelectric encoder output pulse signal is to described monitor.
Further, described sensor probe 2 specifically comprises: obliquity sensor 23, current vortex sensor 21 and cable, and wherein, obliquity sensor 23 and current vortex sensor 21 are packaged in one; Sensor probe 2 is connected by cable 24 with between monitoring instrument, and described current vortex sensor 21 and described obliquity sensor 23 output current signal are to described monitoring instrument.
Further, described sensor probe 2 is provided with two groups of guiding 25.
Further, described monitoring instrument specifically comprises: encoder circuit 3, sensor signal processing circuit 4, microcontroller 5, wireless launcher 6, system power supply 7 and liquid crystal display 8, wherein, described encoder circuit 3 one end is electrically connected with described scrambler 14, and the other end is electrically connected with described microcontroller 5; Described sensor signal processing circuit 4 one end is electrically connected with described sensor probe 2, and the other end is electrically connected with described microcontroller 5; Described microcontroller 5 one end is connected with described encoder circuit 3 and described sensor signal processing circuit 4 respectively, and the other end is connected with described wireless launcher; Described system power supply 7 is connected with described sensor probe 2, described wireless launcher 6, described microcontroller 5 and described liquid crystal display 8 respectively; Described encoder circuit 3 exports to described microcontroller 5 after the pulse signal received is carried out frequency division, described sensor signal processing circuit 4 exports to described microcontroller 5 after the current signal received is converted to voltage signal, described microcontroller 5 gather described encoder circuit 3 export pulse signal and described sensor circuit 4 export two-way voltage signal and shown by liquid crystal display 8; Result of calculation is launched by described wireless launcher 6 after calculating according to described two-way voltage signal by staff.
Further, described encoder circuit 3 specifically comprises: two triodes 311, Sheffer stroke gate 312 and 74HC192 counting chips 313, the pulse signal that photoelectric encoder 14 exports is driven by triode, increase horse and rush signal output current, then level process is carried out by Sheffer stroke gate 312, and then carry out frequency division through counting chip 313 pulse signals, output of pulse signal is to microcontroller 5 the most at last.
Further, described sensor signal processing circuit 4 specifically comprises: two sampling resistors, voltage follower 41 and wave filters 42, the current signal that described current vortex sensor 21 and described obliquity sensor 23 export is converted to voltage signal by two sampling resistors respectively, and two-way voltage signal exports microcontroller 5 to after described voltage follower 41 and described wave filter 42 process.
Further, described system power supply 7 comprises: accumulator 71, first voltage conversion chip 72, second voltage conversion chip 73, first voltage stabilizing chip 74 and the second voltage stabilizing chip 75, accumulator 71 provides 12V power supply for system, 24V voltage is converted to by described first voltage conversion chip 72, for described sensor probe 2 provides power supply, the 9V voltage be converted to by described second voltage conversion chip 73 provides power supply for described Wireless Transmitter 6, 12V voltage transitions is 5V voltage by described first voltage stabilizing chip 74, for described liquid crystal display 8 provides power supply, 5V voltage transitions is 3.3V voltage by described second voltage stabilizing chip 75, for described microcontroller 5 is powered.
Wherein, described microcontroller 5 adopts STM32 type microcontroller.
Described wireless launcher 6 adopts GF-2008AW external GPRS.
The utility model beneficial effect is as follows:
The utility model can realize the signals collecting of sedimentation layering in-situ monitoring, and cost is low, effective.
Other feature and advantage of the present utility model will be set forth in the following description, and, becoming apparent from instructions of part, or understand by implementing the utility model.The purpose of this utility model and other advantages realize by structure specifically noted in write instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Fig. 1 is the structural representation of device described in the utility model embodiment;
Wherein: 1, downhole device; 2, sensor probe; 3, encoder circuit; 4, sensor signal processing circuit; 5, microcontroller; 6, wireless launcher; 7, system power supply; 8, liquid crystal display; 41, voltage follower; 42, wave filter;
Fig. 2 is in the utility model embodiment, the structural representation of downhole device 1;
Wherein: 11, motor control interface; 12, synchronous motor; 13, winch 13; 14, photoelectric encoder; 15, feeding electric motors power supply;
Fig. 3 is in the utility model embodiment, the structural representation of sensor probe 2;
Wherein: 21, current vortex sensor; 23, obliquity sensor; 24, cable; 25,25 are led;
Fig. 4 is in the utility model embodiment, the structural representation of encoder-driven circuit 3;
Wherein: 311, triode; 312, Sheffer stroke gate; 313,74HC192 counting chip;
Fig. 5 is in the utility model embodiment, is the structural representation of system power supply 7;
Wherein: 71, accumulator; 72, the first voltage conversion chip; 73, the second voltage conversion chip, 74, the first voltage stabilizing chip; 75, the second voltage stabilizing chip.
Embodiment
Specifically describe preferred embodiment of the present utility model below in conjunction with accompanying drawing, wherein, accompanying drawing forms the application's part, and is used from embodiment one of the present utility model and explains principle of the present utility model.
As shown in Figure 1, Fig. 1 is the structural representation of device described in the utility model embodiment, specifically can comprise: downhole device 1, sensor probe 2 and monitoring instrument, wherein, described downhole device 1 is electrically connected with monitoring instrument respectively with described sensor probe 2, described sensor probe 2 is placed on described downhole device 1, in described downhole device 1 operational process, continuous feedback pulse signal gives described monitoring instrument, and its current signal upwards detected different rock-layers from bottom is fed back to described monitoring instrument by described sensor probe 2; Described monitoring instrument receives the pulse signal of described downhole device 1 feedback and the current signal of described sensor probe 2 feedback.
As shown in Figure 2, Fig. 2 is the structural representation of downhole device 1, comprise: motor control interface 11, synchronous motor 12, winch 13, photoelectric encoder 14, feeding electric motors power supply 15, wherein, synchronous motor 12 one end is connected with monitor by motor control interface 11, and the other end is connected to winch 13, and photoelectric encoder 14 combines with the pulley on winch 13, wherein, the forward, oppositely or stop operating of motor control interface 11 mainly control synchronization motor 12; Synchronous motor 12 is connected to winch 13, controls the coiling of winch, and under the effect of motor, sensor probe 2 is free to decline, promotes, stops; Photoelectric encoder 14 combines with the pulley on winch 13, photoelectric encoder 14 is driven to rotate during pulley rotation, photoelectric encoder 14 output pulse signal (A or B pulse), microcontroller 5 receives pulse signal and is shown to liquid crystal display 8, staff can carry out recording impulse number by observing pulse signal, the length of cable downlink or uplink can be calculated, thus calculate the position of sensor probe in hole; Feeding electric motors power supply 15 produces 220V alternating current, for synchronous motor is powered.
As shown in Figure 3, Fig. 3 is the structural representation of sensor probe, comprising: obliquity sensor 23, current vortex sensor 21, and the two is packaged in one; Sensor probe 2 is provided with two groups of guiding 25, facilitate sensor probe 2 to move freely in hole, sensor probe 2 is connected by cable 24 with between monitoring instrument, and the cable adopted in the utility model embodiment is 4 core ribbon wireropes, be respectively power lead, ground wire and two current output line.The current signal that current vortex sensor and obliquity sensor export is connected to microcontroller 5 respectively by sample circuit, voltage follower and wave filter.
Above-mentioned monitoring instrument specifically comprises: encoder circuit 3, sensor signal processing circuit 4, microcontroller 5 (adopting STM32 type microcontroller in the utility model embodiment), wireless launcher 6 (adopting GF-2008AW external GPRS in the present embodiment), system power supply 7 and liquid crystal display 8, wherein, encoder circuit 3 one end is electrically connected with scrambler 14, and the other end is electrically connected with microcontroller 5; Sensor signal processing circuit 4 one end is electrically connected with sensor probe 2, and the other end is electrically connected with microcontroller 5; Microcontroller 5 one end is connected with encoder circuit 3 and sensor signal processing circuit 4 respectively, and the other end is connected with wireless launcher; System power supply 7 is connected with sensor probe 2, wireless launcher 6, microcontroller 5 and liquid crystal display 8 respectively.Encoder circuit 3 exports to microcontroller 5 after the pulse signal received is carried out frequency division, sensor signal processing circuit 4 exports to microcontroller 5 after the current signal received is converted to voltage signal, and the two-way voltage signal that the pulse signal of microcontroller 5 capturing and coding device circuit 3 output and sensor circuit 4 export also is shown by liquid crystal display 8.According to a road voltage signal (from eddy current sensor), staff judges whether sensor probe 2 arrives iron hoop position, if so, the inclination value of the current present position of sensor probe 2 is calculated according to another road voltage signal (from obliquity sensor); The inclination angle of the height that sensor probe 2 rises from bottom by last staff and current present position is by Wireless Transmitter 6 to control center.
As shown in Figure 4, Fig. 4 is the structural representation of encoder circuit, comprise: two triodes 311, Sheffer stroke gate 312 and 74HC192 counting chips 313, A, B that photoelectric encoder 14 exports are to pulse, driven by triode, increase horse and rush signal output current, then carry out level process by Sheffer stroke gate 312, and then carry out frequency division through counting chip 313 pulse signals, output of pulse signal is to two GPIO mouths of STM32 processor the most at last.
Sensor signal processing circuit 4 adopts the accurate sampling resistor of two 150 Ω, the current signal of 4-20mA that current vortex sensor 21 and obliquity sensor 23 exported is converted to 0.6-3.0V voltage signal, by voltage follower 41, ensure the stable output of voltage signal, again by wave filter 42, filter away high frequency noise is disturbed, low-pass filtering selected by wave filter, and cutoff frequency is 10Hz, is finally connected with the two-way 12 bit AD sample end of microcontroller 5.
As shown in Figure 5, Fig. 5 is the structural representation of system power supply 7, this system power supply 7 comprises: accumulator 71, first voltage conversion chip 72, second voltage conversion chip 73, first voltage stabilizing chip 74 and the second voltage stabilizing chip 75, accumulator 71 provides 12V power supply for system, 24V voltage is converted to by the first voltage conversion chip 72 (12V turns 24V), for sensor probe 2 provides power supply, the 9V voltage that second voltage conversion chip 73 (12V turns 9V) is converted to, for Wireless Transmitter 6 provides power supply, 12V voltage transitions is 5V voltage by the first voltage stabilizing chip 74 (being LM2576 voltage stabilizing chip in the present embodiment), for liquid crystal display 8 provides power supply, 5V voltage transitions is 3.3V voltage by the second voltage stabilizing chip 75 (being LM1084 voltage stabilizing chip in the present embodiment), for microcontroller 5 is powered.
The course of work of device described in the utility model mainly comprises the steps:
(1) play a boring, the degree of depth reaches basement rock, in hole, install plastic casing, at the plastic casing overcoat upper iron ring of different layers position, as a reference point with the iron hoop of horizon d;
(2) at well head place, downhole device 1 is installed, start sensor probe 2;
(3) downhole device 1 moves with sensor probe 2 and continuous output pulse signal;
(4) when sensor probe 2 arrives after bottom plastic casing, start downhole device 1, sensor probe 2 starts slowly upwards to promote, and the two-way current signal that sensor probe 2 exports is converted into voltage signal;
(5) microcontroller 5 return pulse signal and two-way voltage signal be presented in liquid crystal display 8, staff calculates the length of cable downlink or uplink according to pulse signal, thus calculates the height that sensor probe 2 rises from bottom; According to a road voltage signal (from eddy current sensor), staff judges whether sensor probe 2 arrives iron hoop position simultaneously, if so, the inclination value of the current present position of sensor probe 2 is calculated according to another road voltage signal (from obliquity sensor);
(6) inclination angle of the height that risen from bottom by sensor probe 2 of staff and current present position is by Wireless Transmitter 6 to control center.
The determination methods wherein whether arriving iron hoop position in step (5) is: when probe does not touch becket, magnitude of voltage remains on about 0.8V, when probe contacts is to becket, magnitude of voltage generation saltus step, unexpected rising, reach about 1.5V, when magnitude of voltage is undergone mutation, then judge to arrive iron hoop position.
In sum, the utility model embodiment provides a kind of land subsidence layering in-situ monitoring device and monitoring method, there is the feature of hierarchical monitor, automatically collection signal data, remote transmission, only need to bore a hole on rock stratum, just can realize the collection of sedimentation layering in-situ monitoring, cost is low, effective.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (10)
1. a land subsidence layering in-situ monitoring device, it is characterized in that, comprise: downhole device (1), sensor probe (2) and monitoring instrument, wherein, described downhole device (1) and described sensor probe (2) are electrically connected with monitoring instrument respectively, described sensor probe (2) is placed on described downhole device (1), in described downhole device (1) operational process, continuous feedback pulse signal gives described monitoring instrument, its current signal upwards detected different rock-layers from bottom is fed back to described monitoring instrument by described sensor probe (2), described monitoring instrument receives pulse signal that described downhole device (1) feeds back and the current signal that described sensor probe (2) feeds back.
2. device according to claim 1, it is characterized in that, described downhole device (1) specifically comprises: motor control interface (11), synchronous motor (12), winch (13), photoelectric encoder (14), feeding electric motors power supply (15), wherein, described synchronous motor (12) one end is connected with described monitor by described motor control interface (11), the other end is connected to described winch (13), described photoelectric encoder (14) combines with the pulley on described winch (13), described photoelectric encoder (14) is driven to rotate during pulley rotation, described photoelectric encoder output pulse signal is to described monitor.
3. device according to claim 1, it is characterized in that, described sensor probe (2) specifically comprises: obliquity sensor (23), current vortex sensor (21) and cable, wherein, obliquity sensor (23) and current vortex sensor (21) are packaged in one; Sensor probe (2) is connected by cable (24) with between monitoring instrument, and described current vortex sensor (21) and described obliquity sensor (23) output current signal are to described monitoring instrument.
4. device according to claim 3, is characterized in that, described sensor probe (2) is provided with two groups of guiding (25).
5. according to the device in claim 1 to 4 described in any one, it is characterized in that, described monitoring instrument specifically comprises: encoder circuit (3), sensor signal processing circuit (4), microcontroller (5), wireless launcher (6), system power supply (7) and liquid crystal display (8), wherein, described encoder circuit (3) one end is electrically connected with described scrambler (14), and the other end is electrically connected with described microcontroller (5); Described sensor signal processing circuit (4) one end is electrically connected with described sensor probe (2), and the other end is electrically connected with described microcontroller (5); Described microcontroller (5) one end is connected with described encoder circuit (3) and described sensor signal processing circuit (4) respectively, and the other end is connected with described wireless launcher; Described system power supply (7) is connected with described sensor probe (2), described wireless launcher (6), described microcontroller (5) and described liquid crystal display (8) respectively; Described encoder circuit (3) exports to described microcontroller (5) after the pulse signal received is carried out frequency division, described sensor signal processing circuit (4) exports to described microcontroller (5) after the current signal received is converted to voltage signal, and described microcontroller (5) is gathered pulse signal that described encoder circuit (3) exports and the two-way voltage signal that described sensor circuit (4) exports and shown by liquid crystal display (8); After staff calculates according to described two-way voltage signal, result of calculation is launched by described wireless launcher (6).
6. device according to claim 5, it is characterized in that, described encoder circuit (3) specifically comprises: two triodes (311), Sheffer stroke gate (312) and 74HC192 counting chips (313), the pulse signal that photoelectric encoder (14) exports is driven by triode, increase horse and rush signal output current, then level process is carried out by Sheffer stroke gate (312), and then carry out frequency division through counting chip (313) pulse signals, output of pulse signal is to microcontroller (5) the most at last.
7. device according to claim 5, it is characterized in that, described sensor signal processing circuit (4) specifically comprises: two sampling resistors, voltage follower (41) and wave filters (42), the current signal that described current vortex sensor (21) and described obliquity sensor (23) export is converted to voltage signal by two sampling resistors respectively, and two-way voltage signal exports microcontroller (5) to after described voltage follower (41) and described wave filter (42) process.
8. device according to claim 5, is characterized in that, described microcontroller (5) adopts STM32 type microcontroller.
9. device according to claim 5, is characterized in that, described wireless launcher (6) adopts GF-2008AW external GPRS.
10. according to the device in claim 1 to 4 described in any one, it is characterized in that, described system power supply (7) comprising: accumulator (71), first voltage conversion chip (72), second voltage conversion chip (73), first voltage stabilizing chip (74) and the second voltage stabilizing chip (75), accumulator (71) provides 12V power supply for system, 24V voltage is converted to by described first voltage conversion chip (72), for described sensor probe (2) provides power supply, the 9V voltage be converted to by described second voltage conversion chip (73) is that described Wireless Transmitter (6) provides power supply, 12V voltage transitions is 5V voltage by described first voltage stabilizing chip (74), for described liquid crystal display (8) provides power supply, 5V voltage transitions is 3.3V voltage by described second voltage stabilizing chip (75), for described microcontroller (5) power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420465879.2U CN204043656U (en) | 2014-08-18 | 2014-08-18 | Land subsidence layering in-situ monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420465879.2U CN204043656U (en) | 2014-08-18 | 2014-08-18 | Land subsidence layering in-situ monitoring device |
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| CN204043656U true CN204043656U (en) | 2014-12-24 |
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| CN201420465879.2U Expired - Fee Related CN204043656U (en) | 2014-08-18 | 2014-08-18 | Land subsidence layering in-situ monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132640A (en) * | 2014-08-18 | 2014-11-05 | 中国地质调查局水文地质环境地质调查中心 | Layering and in-situ monitoring device and method for ground subsidence |
| CN114485555A (en) * | 2022-02-15 | 2022-05-13 | 辽宁大学 | Device and method for monitoring coal mine ground surface subsidence |
-
2014
- 2014-08-18 CN CN201420465879.2U patent/CN204043656U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132640A (en) * | 2014-08-18 | 2014-11-05 | 中国地质调查局水文地质环境地质调查中心 | Layering and in-situ monitoring device and method for ground subsidence |
| CN104132640B (en) * | 2014-08-18 | 2017-02-15 | 中国地质调查局水文地质环境地质调查中心 | Layering and in-situ monitoring device and method for ground subsidence |
| CN114485555A (en) * | 2022-02-15 | 2022-05-13 | 辽宁大学 | Device and method for monitoring coal mine ground surface subsidence |
| CN114485555B (en) * | 2022-02-15 | 2024-03-22 | 辽宁大学 | Device and method for monitoring subsidence of ground surface of coal mine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Heilongjiang nine ~ four environmental engineering survey and Design Institute Assignor: Center For Hydrogeology and Environmental Geology, CGS Contract record no.: 2015230000061 Denomination of utility model: Layering and in-situ monitoring device and method for ground subsidence Granted publication date: 20141224 License type: Common License Record date: 20150522 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Heilongjiang nine O four environmental engineering survey and Design Institute Assignor: Center For Hydrogeology and Environmental Geology, CGS Contract record no.: 2015230000061 Date of cancellation: 20190125 |
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| EC01 | Cancellation of recordation of patent licensing contract | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20210818 |
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| CF01 | Termination of patent right due to non-payment of annual fee |