CN108550242A - A kind of landslide early warning system of practicality - Google Patents

A kind of landslide early warning system of practicality Download PDF

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Publication number
CN108550242A
CN108550242A CN201810686923.5A CN201810686923A CN108550242A CN 108550242 A CN108550242 A CN 108550242A CN 201810686923 A CN201810686923 A CN 201810686923A CN 108550242 A CN108550242 A CN 108550242A
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China
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landslide
module
sensor
inclination angle
wireless
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CN201810686923.5A
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CN108550242B (en
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张飙
周叔
周叔一
周国清
周祥
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Guilin University of Technology
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Guilin University of Technology
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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/10Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Alarm Systems (AREA)

Abstract

The invention discloses a kind of landslide early warning systems of practicality.Including a main control unit and multiple landslide sensors.Main control unit is made of wireless receiving module, microprocessor, short breath module, memory module, audible-visual annunciator, state indicator module and reception antenna.The sensor that comes down is made of mechanical double-shaft inclination angle detection module, wireless transmitter module, antenna and battery.Multiple landslide sensor verticals are likely to occur the different location at the scene on landslide in horizontal plane embedment, and different tilt thresholds can be arranged in each sensor that comes down, and is usually in off-position.Main control unit is mounted in the personnel family near the point of landslide or in enterprises and institutions or other places for capableing of uninterrupted power supply.The advantage of the invention is that solving landslide sensor power supply problem;Coming down, sensor internal is simple in structure, and dry cell power supply is small, at low cost, can largely use;Same place can be embedded to landslide sensor in multiple positions, expand landslide monitoring range, highly practical.

Description

A kind of landslide early warning system of practicality
Technical field
The present invention relates to landslide early warning technologies, especially a kind of suitable protection staff life security and can largely install and use Wireless landslide early warning system.
Background technology
Landslide can all cause up to several hundred million property loss as a kind of geological disaster every year in China, while can also endanger And the life security of people.Landslide monitoring is to carry out shape changing detection to slip mass, since the randomness that landslide occurs is high, and slip mass Deformation belongs to slowly varying process, it usually needs continual long term monitoring.Landslide detection at present is divided into field monitoring and non- Field monitoring two ways:Field monitoring is to place landslide monitoring equipment in possible landslide point;Off-site supervision is to pass through people Work or semi-artificial post mode are in the place installation landslide monitoring equipment far from landslide point.Live landslide monitoring equipment needs to be embedded to It comes down place, special or general electric transducer is used according to landslide mechanism, is powered for a long time problem there are sensor.Non-at-scene prison Survey need not place sensors in landslide place, but sensor is more expensive, need to build between observation, automatic alarm algorithm is immature Human intervention is still needed to, is only applicable in the key area for occurring coming down, such as mine, dam etc..
Chinese patent specification " a kind of landslide intelligent monitor system and method " (application number:201711154824.4) and 《Metal mine》A kind of periodical the 10th phase in 2016 " novel sliding slopes wireless remote monitoring system design " paper, all uses the sun It can power with rechargeable battery complementation, disadvantage is that:Steam-electric power plant volume is big, of high cost, is subject to artificial It destroys.
A kind of Chinese patent specification " landslide alarm system " (Authorization Notice No.:CN 106023532B) it is disclosed This landslide alarm system defect is:Complicated, cost and maintenance cost are high, need to use hardwired for power or bigger The solar power generation of capacity.
Chinese patent specification " a kind of mud-rock flow or landslide alarm system based on video " (Authorization Notice No.:CN 103093579B) and《Safety of coal mines》Periodical volume 48 the 5th phase paper " side slope radar monitoring and warning mechanism and application examples in 2017 Analysis " paper all uses off-site surveillane scheme, sensor not to have to be mounted on landslide scene, have a disadvantage in that:Sensor is more It is expensive, it needs to build observation point, cost of equipment maintenance is high, and automatic alarm algorithm is immature to need human intervention.
Invention content
The purpose of the present invention is to solve above system there are the problem of, in conjunction with two kinds of field monitoring and off-site supervision Mode, it is proposed that a kind of by a main control unit and multiple landslide early warning systems for constituting of landslide sensor.The landslide passes Sensor simplifies interior design, small, at low cost, usually not power consumption, is suitble to a large amount of installations.The landslide early warning system proposed It is particularly applicable to protect landslide point human life's property safety nearby.
The invention is realized in this way:Landslide early warning system is made of a main control unit and multiple landslide sensors.Two Wireless communication mode is used between person.Landslide sensor can only emit wireless signal, and main control unit can only receive wireless signal.It is main Unit is controlled by wireless receiving module, microprocessor, SMS module, memory module, audible-visual annunciator, state indicator module and reception Antenna is constituted.External interrupt lines and I/O mouthful connection of wireless receiving module and microprocessor;The string of SMS module and microprocessor Mouth connection;Memory module uses I with microprocessor2C buses are connected;Audible-visual annunciator is controlled by microprocessor;Reception antenna connects Connect wireless receiving module.Landslide sensor simplifies interior design, by mechanical double-shaft inclination angle detection module, wireless transmission mould Block, antenna and battery are constituted.Mechanical double-shaft inclination angle detection module can detect the inclination angle in 4 directions in front, rear, left and right, mechanically Double-shaft tilt angle detection module also also serves as power switch and constitutes a circuit loop with wireless transmitter module and battery, when landslide occurs When, the inclination angle of mechanical double-shaft inclination angle detection module reaches threshold value, and circuit loop is switched on, and battery starts to power, wireless transmission Module emits alarm signal;Otherwise circuit loop is off, and battery does not power and also do not consume electric energy.Multiple landslide sensings Device is likely to occur the different location at the scene on landslide perpendicular to horizontal plane embedment, and different inclination angle thresholds can be arranged in each sensor that comes down Value, and usually it is in off-position.Main control unit is mounted in the personnel family near the point of landslide or in enterprises and institutions or other It is capable of the place of uninterrupted power supply.
Mechanical double-shaft inclination angle detection module:The inclination angle in 4 directions in front, rear, left and right can be detected, difference can be preset Tilt threshold, ensure that in the creeping deformation stage on landslide, drastically deformation stage and sliding phase early warning can be sent out in time.Incline Landslide sensor circuit circuit is to disconnect when angle does not reach threshold value, does not consume electric energy.
Wireless transmitter module:When inclination angle reaches predetermined threshold value, mechanical double-shaft inclination angle detection module connects circuit loop, It triggers battery to power to wireless transmitter module, to issue warning signal to main control unit.
Transmitting antenna:Landslide sensor is embedment scene, and antenna exposes on the ground, for radiating wireless signal To aerial.
Battery:Usually it is in not power supply state, the circuit quilt when mechanical double-shaft inclination angle detection module reaches predetermined threshold value It connects, battery powers to wireless transmitter module at this time.
Wireless receiving module:The pre-warning signal sent out for receiving landslide sensor;
SMS module:Landslide warning information is sent to local person liable;
Microprocessor:It is main to complete:1. after wireless receiving module receives landslide pre-warning signal, start audible-visual annunciator hair Go out alarm;2. control SMS module sends short message to responsible person concerned;3. system will landslide place, person liable's name when being arranged And memory module is written in phone number information.
Memory module:Using nonvolatile memory, for storing landslide place, live person liable's name and cell-phone number Code.
Audible-visual annunciator:Alarm is sent out, while flickering alarm lamp.
Reception antenna:The pre-warning signal sent out for receiving landslide sensor.
State indicator module:Including multiple LED lights, each sensor that comes down corresponds to a LED light, other LED light Indicate power supply, program operation, short message receiving-transmitting state.
The system according to the present invention, multiple landslide sensors are likely to occur the scene on landslide as field device embedment, often A landslide sensor can trigger the main control unit alarm, and landslide number of sensors can flexible configuration according to field condition. Main control unit receives wireless signal, the control audible-visual annunciator that multiple landslide sensors are sent and alarms, sent to live person liable Short message receives and stores setting information.
The advantage of the invention is that:
1. solving power supply problem:The mechanical double-shaft inclination angle detection module also serves as power switch, usually not power consumption, only Tilt threshold reaches just triggering power supply when having landslide sign to occur.It is powered using long-life alkaline dry battery, when not occurring landslide, Landslide sensor can guarantee not to be had to change battery for 5 years, is solved the power supply problem of landslide early warning, is extended landslide sensor and exempt to tie up Protect the time.
2. small, at low cost, good concealment:Landslide sensor internal design is simplified, using dry cell power supply, without Power generator significantly reduces landslide sensor bulk and cost, the landslide sensor is allow largely to use.And it is sliding Only have an antenna not very unobtrusively to be subject to artificial destruction in the part that slope sensor bassets.
3. multi-point sampling, monitoring range is big, and multi-direction detection is highly practical:The sensor bulk that comes down is small, at low cost, can It is a large amount of to use, therefore landslide monitoring range can be expanded in same landslide place multiple position embedments landslide sensor.Mechanically Double-shaft tilt angle detection module can detect the change of pitch angle in 4 directions in front, rear, left and right, highly practical.
4. each stage can early warning:Mechanical double-shaft inclination angle detection module in each landslide sensor can preset difference Inclination angle detection threshold value, ensure the creeping deformation stage on landslide, drastically deformation stage and sliding phase can send out early warning letter Number.
Description of the drawings
Fig. 1 is present system structure diagram.
Fig. 2 present procedure operational flow diagrams.
Specific implementation mode
The specific implementation mode that the invention will now be described in detail with reference to the accompanying drawings.
Embodiment:
Landslide early warning system in the present embodiment is made of 1 main control unit and the 6 landslide sensors matched with it.It is sliding Slope sensor uses wireless mode one-way communication with main control unit.Landslide sensor can only emit wireless signal, and main control unit is only Wireless signal can be received, cannot be communicated between multiple landslide sensors.6 landslide sensors, which are embedded in, is likely to occur landslide now The different location of field, 1 main control unit are mounted near the point of landslide in resident family.3 kinds of inclination angles are arranged in 6 landslide sensors in total Identical tilt threshold is arranged in threshold value, every 2 landslides sensor.The tilt threshold of setting is respectively 3 °, 6 °, 9 °, is corresponded to respectively The creeping deformation on landslide drastically deforms and slides three phases.
Fig. 1 is the system structure diagram of the embodiment of the present invention, is the landslide early warning system realized according to the present invention, the system It is made of 1 main control unit 101 and 6 landslide sensors 102.Each main control unit includes wireless receiving module 1011, micro- Processor 1012, SMS module 1013, memory module 1014, state indicator module 1015, audible-visual annunciator 1016 and reception day Line 1017 is constituted.Each landslide sensor 102 is by mechanical double-shaft inclination angle detection module 1021, wireless transmitter module 1023, hair It penetrates antenna 1024 and battery 1022 is constituted.
In the present embodiment, learning code coding chip is respectively adopted in wireless transmitter module 1023 and wireless receiving module 1011 EV1527 and learning code coding chip TDH6300 can realize that 1 main control unit and 6 landslides sense by learning manipulation The pairing of device, frequency of carrier signal 433MHz;Microprocessor 1012 selects STM32F103 series monolithics;SMS module 1013 select SIM900 modules;It is 2K bytes that memory module 1014, which uses Non-Volatile EEPROM Store 24C16, capacity,;Shape State indicating module 1015 by one group totally 9 LED light constitute, 6 landslide sensors respectively correspond to 6 LED light, other 3 LED light Indicate power supply, program operation, short message receiving-transmitting state;The universal audible-visual annunciator that audible-visual annunciator 1016 is powered using 12V; Mechanical double-shaft inclination angle detection module 1021 is custom-made, and tilt threshold is 3 ° in the present embodiment, 6 °, 9 °, is respectively used to Creeping deformation stage, drastically deformation stage and the sliding phase on early warning landslide, come down 3 ° of sensor 1 and 2 default tilt thresholds, sliding 6 ° of slope sensor 3 and 4 default tilt thresholds, come down 9 ° of sensor 5 and 6 default tilt thresholds;Reception antenna 1017 and transmitting day Line 1024 all uses coaxial wire;Battery inspires confidence in board 1.5V long shelf-life alkaline dry batteries using south.
The course of work of the present embodiment system:1) when landslide occurs, 1021 gradient of mechanical double-shaft inclination angle detection module Reach preset tilt threshold, induced Landslides sensor 102 is powered, and wireless transmitter module 1023 emits wireless signal after energization. 2) wireless receiving module 1011 of main control unit 101 is decoded after receiving wireless signal, if it is pairing landslide sensor hair The wireless signal come, then according to decoding result can interpretation to go out be which comes down the signal that sends out of sensor, and illuminating state Landslide sensor in indicating module 1015 corresponds to LED light.Alarm signal is sent out if it is 1 or 2 landslide sensors, is indicated Landslide is in the creeping deformation stage;Sending out alarm signal if it is 3 or 4 landslide sensors indicates landslide in drastically deforming rank Section;Alarm signal, which is sent out, if it is 5 or 6 landslide sensors indicates that landslide is in sliding phase.3) main control unit 101 opens acousto-optic Alarm 1016.4) microprocessor 1012, which is read after the setting information in memory module 1014 generates alarming short message, passes through short message mould Block 1013 sends SMS to landslide place person liable.The alarming short message of generation ceases content:Xxx person liable xxx place xx Number landslide sensor sends out early warning.
The process of 1 main control unit 101 and the pairing of 6 landslide sensors 102 in the present embodiment system is exactly to decode core The learning process of piece TDH6300, learning procedure are:1. the TDH6300 in control main control unit 101 enters learning state.2. controlling EV1527 transmitting codings in the sensor 102 of system landslide, TDH6300 learn to terminate after being properly received the coding of EV1527 transmittings, 1 landslide sensor is completed just to match with main control unit.3. 1. remaining 5 landslide sensor is repeated step, 2. can It realizes 1 main control unit and matches 6 landslide sensors.
Fig. 2 is the program flow chart of the embodiment of the present invention, and microprocessor 1012 uses STM32F103 series monolithics Machine operates in uC/OS operating systems, and the present embodiment establishes sound-light alarm task, short message sending task, and short message, which receives, appoints Business, store tasks and begins a task with, altogether five tasks and priority reduces successively;Two interruptions are also used, are outer respectively Portion is interrupted and serial port interrupts.
External interrupt service routine completes two functions:1. which landslide alarm identification, which is, sends out early warning;2. sending postal Case message 1 gives sound-light alarm task and short message sending task.
Serial port implement of interruption function SMS module 1013 (SIM900) is logical with microprocessor 1012 (STM32F103 microcontrollers) Letter.
Flow chart starts from step S201.
In step S201, microprocessor 1012 initializes hardware, SMS module, uC/OS and establishment and begins a task with.Short message The whole short messages stored in module can be removed when module initialization.
In step S202, uC/OS execution is begun a task with.
Sound-light alarm task, short message sending task are created in step S203, uC/OS, short message receives task and store tasks, It then hangs up and begins a task with.
Step S204 runs sound-light alarm task, and step S205 runs short message sending task, and step S206 operations short message connects Receipts task, step S207 run store tasks.Under the scheduling of uC/OS, sound-light alarm task, short message sending task, short message connects Receipts task and store tasks realize Multi-task Concurrency operation.
In step S204, sound-light alarm task is run.
It in step S2041, checks whether and receives mailbox messages 1, step S2042 operations are transferred to if receiving;Otherwise into Enter wait state, surrenders the CPU rights to use and allow other task runs.
The related corresponding LED light of sensor that comes down in step S2042, illuminating state indicating module 1015.
In step S2043, opens audible-visual annunciator and carry out sound and warning lamp flicker alarm, then discharge the CPU rights to use Allow other task runs.
In step S205, short message sending task is run.
It in step S2051, checks whether and receives mailbox messages 1, step S2052 operations are transferred to if receiving;Otherwise into Enter wait state, surrenders the CPU rights to use and allow other task runs.
In step S2052, the setting information that memory module 1014 (24C16) stores is read, these setting informations include:It is sliding Hillside fields point, person liable's name and its phone number.
In step S2053, alarming short message is generated, format is:The places the xxx person liable xxx landslides xx alarm sends out pre- It is alert.
In step S2054, microprocessor 1012 sends alarming short message to SMS module 1013 by serial port, then discharges The CPU rights to use allow other task runs.Short message can be then dealt on person liable's mobile phone by SMS module 1013 automatically.
In step S206, operation short message receives task.
In step S2061, microprocessor 1012, which checks, receives whether buffering area FIFO is empty, indicates to receive if being not sky Short message has been arrived, wait state is otherwise entered, the CPU rights to use has been surrendered and allows other task runs.
In step S2062, the short message received is parsed.
Judge effective setting information or refuse messages in step S2063, is then entered step if it is setting short message Otherwise S2064 abandons this short message and enters wait state, surrender the CPU rights to use and allow other task runs.
In step S2064, the setting information in setting short message is obtained, mailbox messages 2 is sent to store tasks, then discharges The CPU rights to use allow other task runs.
In step S207, store tasks are run.
It in step S2071, checks whether and receives mailbox messages 2, step S2072 operations are transferred to if receiving;Otherwise into Enter wait state, surrenders the CPU rights to use and allow other task runs.
In step S2072, it would be desirable to information (landslide place, person liable's name and phone number) deposit storage mould of storage In block 1014 (24C16), then discharges the CPU rights to use and allow other task runs.
Although the embodiments of the invention are described in conjunction with the attached drawings, but those skilled in the art in the art can be in institute Various changes and modifications are made in attached the scope of the claims to should be regarded as belonging to the scope of the present invention.

Claims (1)

1. a kind of landslide early warning system of practicality, it is characterised in that practical landslide early warning system includes:One main control unit (101) and multiple landslide sensors (102), use wireless communication mode, landslide sensor (102) that nothing can only be emitted therebetween Line signal, main control unit (101) can only receive wireless signal, and main control unit (101) is by wireless receiving module (1011), microprocessor Device (1012), SMS module (1013), memory module (1014), audible-visual annunciator (1016), state indicator module (1015) and Reception antenna constitutes (1017);Wireless receiving module (1011) is connect with the external interrupt lines of microprocessor (1012) and I/O mouthfuls; SMS module (1013) is connect with the serial ports of microprocessor (1012);Memory module (1014) is used with microprocessor (1012) I2C buses are connected;Audible-visual annunciator is controlled by microprocessor (1012);Reception antenna (1017) connects wireless receiving module (1011);Landslide sensor (102) simplifies interior design, by mechanical double-shaft inclination angle detection module (1021), wireless transmission Module (1023), antenna (1024) and battery (1022) are constituted;Before mechanical double-shaft inclination angle detection module (1021) is detectable, Afterwards, the inclination angle in left and right 4 directions, mechanical double-shaft inclination angle detection module (1021) also also serve as power switch and wireless transmission mould Block (1023) and battery (1022) constitute a circuit loop, when landslide occurs, mechanical double-shaft inclination angle detection module (1021) inclination angle reaches threshold value, and circuit loop is switched on, and battery starts to power, and wireless transmitter module (1023) emits alarm signal Number;Otherwise circuit loop is off, and battery (1022), which is not powered, does not also consume electric energy, multiple landslide sensors (102) The different location at the scene on landslide is likely to occur perpendicular to horizontal plane embedment, the sensor (102) that respectively comes down, which can be arranged, different to incline Angle threshold value, and usually it is in off-position;Main control unit (101) is mounted in the personnel family near the point of landslide or enterprises and institutions Interior or other places for capableing of uninterrupted power supply;
Mechanical double-shaft inclination angle detection module (1021):The inclination angle in 4 directions in front, rear, left and right can be detected, can be preset not Same tilt threshold, ensures that in the creeping deformation stage on landslide, drastically deformation stage and sliding phase early warning can be sent out in time, Landslide sensor circuit circuit is to disconnect when inclination angle does not reach threshold value, does not consume electric energy;
Wireless transmitter module (1023):When inclination angle reaches predetermined threshold value, mechanical double-shaft inclination angle detection module (1021) is connected Circuit loop, triggering battery (1022) power to wireless transmitter module (1023), to send out early warning letter to main control unit (101) Number;
Transmitting antenna (1024):Landslide sensor (102) is embedment scene, and antenna exposes on the ground, for radiating Wireless signal is in the air;
Battery (1022):It is usually in not power supply state, when mechanical double-shaft inclination angle detection module (1021) reaches predetermined threshold value When circuit be switched on, at this time battery (1022) to wireless transmitter module (1023) power;
Wireless receiving module (1011):The pre-warning signal sent out for receiving landslide sensor (102);
SMS module (1013):Landslide warning information is sent to local person liable;
Microprocessor (1012):It is main to complete:1. after wireless receiving module (1011) receives landslide pre-warning signal, start acousto-optic Alarm (1016) sends out alarm;2. control SMS module (1013) sends short message to responsible person concerned;3. system is arranged It will landslide place, person liable's name and phone number information write-in memory module (1014);
Memory module (1014):Using nonvolatile memory, for storing landslide place, live person liable's name and cell-phone number Code;
Audible-visual annunciator (1016):Alarm is sent out, while flickering alarm lamp;
Reception antenna (1017):The pre-warning signal sent out for receiving landslide sensor (102);
State indicator module (1015):Including multiple LED lights, the sensor (102) that each comes down corresponds to a LED light, Its LED light indicates power supply, program operation, short message receiving-transmitting state.
CN201810686923.5A 2018-06-28 2018-06-28 Practical landslide early warning system Active CN108550242B (en)

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