CN204375116U - Multifunctional broadcast early warning rainfall monitoring system - Google Patents
Multifunctional broadcast early warning rainfall monitoring system Download PDFInfo
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- CN204375116U CN204375116U CN201420708202.7U CN201420708202U CN204375116U CN 204375116 U CN204375116 U CN 204375116U CN 201420708202 U CN201420708202 U CN 201420708202U CN 204375116 U CN204375116 U CN 204375116U
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Abstract
The utility model provides a multifunctional broadcast early warning rainfall monitoring system, which comprises a monitoring device, an acquisition and control unit, a power supply module and a field broadcast alarm; the monitoring equipment is used for measuring rainfall data and is connected with the acquisition and control unit; the acquisition control unit acquires the measurement data from the monitoring equipment at regular time, compares the measurement data with the field alarm parameters and further judges whether to drive the field broadcast alarm to alarm; the power supply module supplies power to each module in the acquisition control unit; the on-site broadcast alarm is connected with the acquisition and control unit and performs broadcast alarm after receiving the driving instruction sent by the acquisition and control unit. The utility model discloses use the real-time incessant monitoring of rainfall as the center, collect wireless data transmission, on-the-spot broadcast play function as an organic whole, can be in field autonomous working for a long time, need not artificial intervention, reduce intensity of labour to inform calamity influence area resident with the most direct mode, inform the resident with the fastest mode and take necessary disaster-avoiding measure.
Description
Technical field
The utility model relates to the rainfall amount monitoring of geologic hazard field and early warning technology, particularly a kind of Multifunctional broadcasting early warning rainfall monitoring system.
Background technology
Geologic hazard (landslide, rubble flow etc.) is subject to the impact of multiple extraneous factor, in numerous influence factor, the most important thing that geologic hazard occurs is brought out in rainfall, thus to the monitoring of rainfall amount and in time, effectively early warning be that pre-Geological disaster prevention occurs, the important channel of minimizing personnel and economic loss.
At present the geologic hazard automatic monitoring equipment of existing part specialty is as robotization surface displacement, deep displacement etc., and in addition, current geo-hazard early-warning flow process also exists problems, has exposed out following urgent problem:
1. geo-hazard early-warning not in time, and most area does not take effective measures to keep clear before disaster occurs;
2. Automation Specialty monitoring equipment installation quantity is few, and the disaster point that part has installed geologic hazard professional monitoring equipment is all single-point monitoring mode, and its Monitoring and Controlling effective coverage is little, can not carry out territory, face disaster alarm;
3. current automatic monitoring equipment (surface displacement, deep displacement, rainfall amount) lacks on-the-spot warning function.
There is the function that access device kind is single, can not complete the early warning of combined type parameter in the robotization rainfall collecting device 4. generally adopted at present, brings certain influence to the generation of geologic hazard and the early warning work of dodging.
5. early warning mechanism is not direct, current early warning flow process is substantially: professional regularly arrives collection in worksite data (or data are sent to data center by automatic monitoring equipment), data analyst is known after Monitoring Data data analysis, when reaching early warning threshold values, early warning information is sent to monitoring point responsible department, then carry out final early warning issue by responsible department.This early warning mechanism link is many, the cycle is long, has had a strong impact on the ageing of Sudden Geological Hazards, can miss the most valency opportunity of emergency danger-avoiding, cause great personnel and economic loss time serious.
Utility model content
The utility model provides a kind of Multifunctional broadcasting early warning rainfall monitoring system, for overcoming defect of the prior art, field utonomous working can be in for a long time, without the need to manual intervention, reduce the labour intensity of people technician, early warning is direct, practicality is extremely strong, before geologic hazard occurs, notify the resident of disaster range of influence in the most direct mode, notify that resident takes necessary to keep away calamity measure in mode the most efficiently.
The utility model provides a kind of Multifunctional broadcasting early warning rainfall monitoring system, comprising:
Monitoring equipment, for measuring rainfall data data, controlling unit and is connected with adopting;
Describedly adopt control unit, timing acquiring comes from the measurement data of described monitoring equipment, and described measurement data and onsite alarming parameter is compared, and then judges whether to drive Live Audio alarm equipment alarm;
Supply module, for adopting the inner each module for power supply of control unit;
Live Audio alarm, controls unit be connected with described adopting, and carries out broadcast warning after adopting the driving instruction that control unit sends described in receiving.
Wherein, adopt control unit described in comprise:
Clock module, for internal clocking, completion timing starts and timing shutdown;
Data acquisition module, is electrically connected with described monitoring equipment, completes the measurement data acquisition to described monitoring equipment, and the described measurement data collected is sent to data processing module;
Described data processing module, receives the measurement data coming from described data acquisition module, sends described measurement data to long-range Surveillance center on the one hand by radio receiving transmitting module; On the other hand described data are processed, and described measurement data and onsite alarming parameter are compared, and then judge whether to send driving instruction to early warning driver module, send alarm command to radio receiving transmitting module;
Early warning driver module, receives the driving instruction coming from described data processing module, and drives Live Audio alarm equipment alarm;
Described radio receiving transmitting module, for carrying out data transmission by wireless network and long-range Surveillance center, complete transmission from described data that described radio receiving transmitting module is collected to described Surveillance center, receive the alarm command coming from described data processing module and make to be installed on radio frequency alarm equipment alarm in radio frequency effective range, make the local sound and light alarm of computing machine that is connected with described radio receiving transmitting module and/or warning message transmission is carried out to preset phone number or IP address; And receive the order of described Surveillance center, arrange described onsite alarming parameter and described in adopt the inner each module of control unit running parameter or the renewal implemented for the audio file of reporting to the police.
Further:
Described monitoring equipment comprises at least one rain gage for measure field rainfall amount and at least one for measuring the external sensor affecting geological security;
Described rainfall is taken into account described external sensor and is connected with described data acquisition module respectively by hardware interface.
Wherein:
Described hardware interface comprises analog quantity interface and digital quantity interface.
Particularly:
Described supply module is comprised accumulator and for the solar panel to described charge in batteries, is connected between described accumulator with described solar panel by charging protection circuit for storage battery.
Further:
Described radio receiving transmitting module comprises at least one in self-built compartmentalization RF radio network and GSM/GPRS module and big-dipper satellite network.
Wherein:
The described storer adopted control unit and also comprise the audio file for store alarms.
Wherein:
Described storer is SD card, USB flash disk or flash chip.
The Multifunctional broadcasting early warning rainfall monitoring system that the utility model provides, realize centered by rainfall is uninterruptedly monitored in real time, integrate Wireless Data Transmission, Live Audio alarm playing function, field utonomous working can be in for a long time, without the need to manual intervention, reduce the labour intensity of people technician, early warning is direct, practicality is extremely strong, and structure is simple; Notify the resident of disaster range of influence in the most direct mode, notify that resident takes necessary to keep away calamity measure in mode the most efficiently.
Accompanying drawing explanation
The structured flowchart one of the Multifunctional broadcasting early warning rainfall monitoring system that Fig. 1 provides for the utility model embodiment;
The structured flowchart two of the Multifunctional broadcasting early warning rainfall monitoring system that Fig. 2 provides for the utility model embodiment;
The structured flowchart of supply module in the Multifunctional broadcasting early warning rainfall monitoring system that Fig. 3 provides for the utility model embodiment;
The process flow diagram of onsite alarming in the Multifunctional broadcasting early warning rainfall monitoring system that Fig. 4 provides for the utility model embodiment;
The process flow diagram that Fig. 5 reports to the police for the Multifunctional broadcasting early warning rainfall monitoring system medium-long range that the utility model embodiment provides;
The process flow diagram one of alert audio file update in the Multifunctional broadcasting early warning rainfall monitoring system that Fig. 6 provides for the utility model embodiment;
The flowchart 2 of alert audio file update in the Multifunctional broadcasting early warning rainfall monitoring system that Fig. 7 provides for the utility model embodiment;
The flow chart 3 of alert audio file update in the Multifunctional broadcasting early warning rainfall monitoring system that Fig. 8 provides for the utility model embodiment.
Embodiment
As shown in Figure 1 and Figure 2, the utility model embodiment provides a kind of Multifunctional broadcasting early warning rainfall monitoring system, comprises monitoring equipment 1, adopts control unit 2, supply module 3 and Live Audio alarm 4;
Monitoring equipment 1, for measuring rainfall data, is controlled unit 2 and is connected with adopting;
Adopt the measurement data that control unit 2 timing acquiring comes from monitoring equipment 1, and measurement data and onsite alarming parameter are compared, and then judge whether to drive Live Audio alarm 4 to report to the police;
Supply module 3 is for adopting the inner each module for power supply of control unit 2;
Live Audio alarm 4 is controlled unit 2 and is connected with adopting, and receives after adopting driving instruction that control unit 2 sends and carries out broadcast warning.Alarm is a kind of for preventing or preventing certain event that the consequence caused occurs, remind or warn us with forms such as sound, light, air pressure and should take certain electronic product of taking action, Live Audio alarm is arranged on monitoring field, remind with sound or warn people, the loudspeaker that power is larger can be adopted, sound is comparatively large, to cause the attention of periphery people.
Adopt control unit 2 and comprise clock module 21, data acquisition module 22, data processing module 23, early warning driver module 24, radio receiving transmitting module 25;
Clock module 21, for internal clocking, completion timing starts and timing shutdown;
Data acquisition module 22 is electrically connected with monitoring equipment 1, completes the measurement data acquisition to monitoring equipment 1, and the measurement data collected is sent to data processing module 23;
Data processing module 23 receives the measurement data coming from data acquisition module 22, sends measurement data to long-range Surveillance center and host computer 5 on the one hand by radio receiving transmitting module 25; On the other hand measurement data is processed, and measurement data and onsite alarming parameter are compared, and then judge whether to send driving instruction to early warning driver module 24 and send alarm command to radio receiving transmitting module 25;
Early warning driver module 24 receives the driving instruction coming from data processing module 23, and drives Live Audio alarm 4 to report to the police; When the variable quantity of rainfall amount or other external sensor meets or exceeds predetermined threshold values, adopt control unit and automatically open this functional module driving circuit switch, complete rainfall and other predetermined sensor threshold values early warning.Early warning comprises on-the-spot early warning and distant early warning two kinds of modes.
Radio receiving transmitting module 25, for carrying out data transmission by wireless network and long-range Surveillance center (host computer 5 see in Fig. 1), complete transmission from measurement data that radio receiving transmitting module 25 is collected to Surveillance center, receive the alarm command coming from data processing module 23 and the radio frequency alarm (the existing broadcast alarm 41 see in Fig. 2) be installed in radio frequency effective range reported to the police, makes computing machine this locality sound and light alarm of being connected with radio receiving transmitting module 25 and/or warning message transmission is carried out to preset phone number or IP address; And receive the order of Surveillance center, running parameter onsite alarming parameter being set and adopting the inner each module of control unit or the renewal implemented for the audio file of reporting to the police.
Radio receiving transmitting module 25 comprises at least one in self-built compartmentalization RF radio network and GSM/GPRS module and big-dipper satellite network.Radio receiving transmitting module can be self-built compartmentalization RF radio network and GSM/GPRS module, can also be self-built compartmentalization RF radio network and big-dipper satellite network.
Radio receiving transmitting module 25 mainly realizes the function such as sensing data teletransmission and teleinstruction reception, audio file renewal, can be GSM/GPRS and self-built compartmentalization RF radio network, big-dipper satellite network etc.Self-built compartmentalization RF radio network can realize the data transmission in several kilometers, local and receive, actual can teletransmission after the direct teletransmission of single-point or Local Area Networking according to specific needs when using, onsite alarming can be realized, specifically see Fig. 4, on-the-spot early warning can be divided into two kinds again, one is alarm (the i.e. Live Audio alarm 4) audible alarm of the direct connection of measurement point, another kind utilizes the field frequency network (namely self-built compartmentalization RF radio network) adopting control unit inside, by sending alarm command, carry out temporarily " requisition " near field existing device, the radio frequency alarm (i.e. existing broadcast alarm 41) be installed in radio frequency effective range is made to send warning.
GSM/GPRS, big-dipper satellite network can realize very-long-range transmission and the reception of data, realize the key parameter that control unit inside is adopted in remote alarms and long-range change, such as early warning threshold values and early warning audio frequency etc., specifically see Fig. 5, remote alarms is also divided into two kinds of forms, one is the sound and light alarm of computing machine this locality, and another kind is the radio transmission-receiving function and the computer network functions that utilize radio receiving transmitting module 25, carries out warning message transmission to preset some phone numbers or IP address.Adopt the storer that control unit also comprises the audio file for store alarms; Storer is SD card, USB flash disk or flash chip.Audio file for reporting to the police can be stored in adopt control device interior storer in (as SD card, USB flash disk, flash chip etc.), control equipment connection is adopted by local computer and on-the-spot, audio file for reporting to the police is modified or upgrades, see Fig. 6; In addition, when occurring other unforeseen emergency, on-the-fly modify the audio file of device memory storage by telecommunication network, see Fig. 7.Further, utilize the GSM network that equipment carries, the mode of technician also by calling, realizes the object of being play-overed by onsite alarming device by real-time voice, see Fig. 8.
In above-described embodiment:
As shown in Figure 2, monitoring equipment 1 comprises at least one rain gage 11 for measure field rainfall amount and at least one for measuring the external sensor 12 affecting geological security; Here external sensor 12 may be used for measuring the parameter that surface displacement, deep displacement, underground water table, underground stress etc. affect geological security.
Hardware interface is divided into two kinds, one interface i.e. the first hardware interface 2a connected for hardware device, the conventional all kinds of rain gages 11 used at present can be connected, this equipment aims at rainfall monitoring and early warning design, multiple rain gage 11 can be connected, rain gage 11 can be infrared type rain gage, tipping-bucket rain-gauge, capacitance-grid type rain gage, capacitance rainfall recorder, piezoelectric type rain gage etc., and the several external alarm that all right external power does not wait is as Live Audio alarm; Two for possessing the access i.e. second hardware interface 2b of other type external sensor 12 (comprising voltage, current sensor, digital 485 sensors) at present needed for conventional automatic monitoring.
Equipment also has the access interface of other conventional outside sensor, also belongs to hardware interface, and these interfaces can be divided into analog quantity interface and digital quantity interface, in order to access other type sensor a small amount of needed for Geological Hazards Monitoring.Digital interface module: this equipment possesses five class digital interfaces, is respectively RS232, RS485 bus, CAN, pulse, switching value.Each interface is stand-alone interface, can use simultaneously.Analog interface: analog interface is divided into miniwatt modulating output and analog input, is 12 precision.Also have independently power output interface in addition, independently power output interface can be used for the power control controlling outside access sensor.
Rain gage 11 by the first hardware interface 2a with adopt the data acquisition module 22 controlled in unit 2 and be connected; Live Audio alarm 4 by Live Audio interface 2c with adopt the early warning driver module 24 controlled in unit 2 and be connected, in fact Live Audio interface 2c belongs to same class interface with the first hardware interface 2a; External sensor 12 by the second hardware interface with adopt the data acquisition module 22 controlled in unit 2 and be connected.
As shown in Figure 3, supply module comprises accumulator 31 and the solar panel 32 for charging to accumulator 31, is connected between accumulator 31 with solar panel 32 by charging protection circuit for storage battery 33.Be applicable to field, on duty without the need to people, power supply uses solar panel 32 to accumulator 31 recharging mode; The electricity of solar panel 32 pairs of accumulators 31 supplements, and is the parameter source realizing field utonomous working; Charging protection circuit for storage battery 33, according to the charge characteristic of accumulator 31, has been responsible for charging to accumulator 31 and over-charging of battery protection; Accumulator 31 is controlled unit and is connected with adopting, and provides electric energy for adopting control unit.
Adopt control equipment should have user and complete parameter configuration, the specialized hardware of test and function software, there is remote wireless network parameter modification function, realize the remotely modifying (as early warning threshold values, early warning audio frequency etc.) of key parameter, handled easily; Ground calamity monitoring equipment is installed on field more, available without alternating current, adopt the functions such as control equipment is managed by clock module 21 pairs of power supplys, peripheral link power consumption control, solar recharging, to realize field permanent, independent unmanned formula work, power consumption is reasonable.Communications protocol is standardized: communications protocol standardization is conducive to the convenience that new equipment (system) accesses existed system.By number of ways, parameter reading and amendment are carried out to equipment.Parameter manipulation can be carried out for local directly connection and teleinstruction mode.Local operation usage data line is directly connected with computing machine, arranges software carry out parameter configuration by the parameter reading that computing machine is installed.Can be RS232 or USB with computer interface.After equipment is installed on scene, the network function that technician carries by equipment carries out very-long-range operation to it.Further, the audio file used for on-the-spot early warning can realize wireless remote and upgrade.
The Multifunctional broadcasting warning monitoring system that the utility model provides, has following beneficial effect:
Early warning is directly broadcasted at the scene in ground calamity information (especially rainfall amount), and audient is directly for the resident being positioned at the geologic hazard zone of influence, most effective, fastest.
Can connect Multiple Type rain gage, except connecting except rain gage, the also miscellaneous equipment of accessible Geological Hazards Monitoring automatic monitoring, integrated level is high, compatibility good.
Network is various, and this equipment has mobile network, radio frequency network, big-dipper satellite network, realizes round-the-clock, real-time Data Transmission and apparatus remote controls, and Time and place does not have network black spots.
Broadcast source of early warning can be the direct-connected broadcasting equipment multiple external alarm of self-adaptation 1 ~ 200W power (can), also can be the existing broadcasting equipment of near field, realize " requisition " function of near field broadcasting equipment, reduce and monitor input cost.
Can remote update for the audio file of reporting to the police, real-time voice audio frequency warning function.
Early warning grading function, according to different early warning threshold values, can play different audio files (also having the alarm mode of corresponding different stage during distant early warning simultaneously).
The full-automatic rainfall monitoring system of electricity autarkic.
Owing to having Beidou function, can coordinate setting be realized, realize real-time coordinates and read, avoid installation site misregistration when artificially installing.
As shown in figures 1-8, the Multifunctional broadcasting early warning rainfall monitoring system implementation method that provides of the utility model embodiment is as follows:
Step 1, is measured on-the-spot rainfall amount, surface displacement and deep displacement in real time by monitoring equipment 1; Here monitoring equipment 1 comprises rain gage 11 and external sensor 12, and rain gage 11 is for measuring on-the-spot rainfall amount, and external sensor is used for measuring the Land Surface Parameters such as surface displacement and deep displacement;
Step 2, adopts the measurement data that control unit 2 timing acquiring comes from monitoring equipment 1, and measurement data and onsite alarming parameter is compared, and then judge whether to drive Live Audio alarm 4; Here timing and onsite alarming parameter can directly be arranged and revise the parameter of the function software adopting control unit inside by local computer as the case may be, or host computer is long-range is arranged by the parameter of network to the function software adopting control unit inside and revised;
Step 3, Live Audio alarm 4 carries out broadcast warning after receiving and adopting the driving instruction that sends of control unit 2.
Step 2 comprises the following steps:
Step 21, the measurement data of data acquisition module 22 pairs of monitoring equipments 1 carries out timing acquiring, and the measurement data collected is sent to data processing module 23; Data acquisition module 22 gathers the measurement data of rain gage 11 and the measurement data of external sensor 12 incessantly, and these data are sent to data processing module 23;
Step 22, after data processing module 23 receives and comes from the measurement data of data acquisition module 22; Measurement data is sent to long-range Surveillance center, for remote monitoring on the one hand by radio receiving transmitting module 25; On the other hand measurement data is processed, and measurement data and onsite alarming parameter are compared, when measurement data is more than or equal to onsite alarming parameter, sends driving instruction to early warning driver module, send alarm command to radio receiving transmitting module;
Step 23, after early warning driver module receives the driving instruction coming from data processing module, drives Live Audio alarm equipment alarm;
If the measurement data of rain gage 11 gathered, then direct this measurement data and alarm parameters to be compared; If the measurement data of the external sensor 12 gathered, then need to calculate the difference between this measurement data and the measurement data gathered last time and changing value, then this changing value and alarm parameters are compared; If measurement data or the changing value after calculating meet or exceed alarm parameters, then data processing module 23 early warning driver module 24 sends driving instruction, early warning driver module 24 is actually a driving circuit switch, after receiving this driving instruction, this driving circuit closes, Live Audio alarm equipment alarm, completes rainfall and other predetermined sensor threshold values early warning.
Step 24, radio receiving transmitting module 25 sends measurement data to long-range Surveillance center by wireless network; After radio receiving transmitting module 25 receives the alarm command coming from data processing module, make the radio frequency alarm equipment alarm be installed in radio frequency effective range on the one hand, maximize the effect playing existing panalarm; Make on the other hand computing machine this locality sound and light alarm of being connected with radio receiving transmitting module 25 and/or warning message transmission is carried out to preset phone number or IP address, completing remote alarms.
Claims (7)
1. a Multifunctional broadcasting early warning rainfall monitoring system, is characterized in that, comprising:
Monitoring equipment, for measuring rainfall data, controlling unit and is connected with adopting;
Describedly adopt control unit, timing acquiring comes from the measurement data of described monitoring equipment, and described measurement data and onsite alarming parameter is compared, and then judges whether to drive Live Audio alarm equipment alarm;
Supply module, adopts the inner each module for power supply of control unit for described;
Live Audio alarm, controls unit be connected with described adopting, and carries out broadcast warning after adopting the driving instruction that control unit sends described in receiving;
Wherein, adopt control unit described in comprise:
Clock module, for internal clocking, completion timing starts and timing shutdown;
Data acquisition module, is electrically connected with described monitoring equipment, completes the measurement data acquisition to described monitoring equipment, and the described measurement data collected is sent to data processing module;
Described data processing module, receives the measurement data coming from described data acquisition module, sends described measurement data to long-range Surveillance center on the one hand by radio receiving transmitting module; On the other hand described data are processed, and described measurement data and onsite alarming parameter are compared, and then judge whether to send driving instruction to early warning driver module, send alarm command to radio receiving transmitting module;
Early warning driver module, receives the driving instruction coming from described data processing module, and drives Live Audio alarm equipment alarm;
Described radio receiving transmitting module, for carrying out data transmission by wireless network and long-range Surveillance center, complete transmission from described data that described radio receiving transmitting module is collected to described Surveillance center, receive the alarm command coming from described data processing module and make to be installed on radio frequency alarm equipment alarm in radio frequency effective range, make the local sound and light alarm of computing machine that is connected with described radio receiving transmitting module and/or warning message transmission is carried out to preset phone number or IP address; And receive the order of described Surveillance center, arrange described onsite alarming parameter and described in adopt the inner each module of control unit running parameter or the renewal implemented for the audio file of reporting to the police.
2. Multifunctional broadcasting early warning rainfall monitoring system according to claim 1, is characterized in that:
Described monitoring equipment comprises at least one rain gage for measure field rainfall amount and at least one for measuring the external sensor affecting geological security;
Described rainfall is taken into account described external sensor and is connected with described data acquisition module respectively by hardware interface.
3. Multifunctional broadcasting early warning rainfall monitoring system according to claim 2, is characterized in that:
Described hardware interface comprises analog quantity interface and digital quantity interface.
4., according to the arbitrary described Multifunctional broadcasting early warning rainfall monitoring system of claim 1-3, it is characterized in that:
Described supply module is comprised accumulator and for the solar panel to described charge in batteries, is connected between described accumulator with described solar panel by charging protection circuit for storage battery.
5. Multifunctional broadcasting early warning rainfall monitoring system according to claim 4, is characterized in that:
Described radio receiving transmitting module comprises at least one in self-built compartmentalization RF radio network and GSM/GPRS module and big-dipper satellite network.
6. Multifunctional broadcasting early warning rainfall monitoring system according to claim 5, is characterized in that:
The described storer adopted control unit and also comprise the audio file for store alarms.
7. Multifunctional broadcasting early warning rainfall monitoring system according to claim 6, is characterized in that:
Described storer is SD card, USB flash disk or flash chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420708202.7U CN204375116U (en) | 2014-11-21 | 2014-11-21 | Multifunctional broadcast early warning rainfall monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420708202.7U CN204375116U (en) | 2014-11-21 | 2014-11-21 | Multifunctional broadcast early warning rainfall monitoring system |
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| CN204375116U true CN204375116U (en) | 2015-06-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109035710A (en) * | 2018-10-12 | 2018-12-18 | 成都理工大学 | A kind of early warning system and its method for early warning of landslide geological disaster |
-
2014
- 2014-11-21 CN CN201420708202.7U patent/CN204375116U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109035710A (en) * | 2018-10-12 | 2018-12-18 | 成都理工大学 | A kind of early warning system and its method for early warning of landslide geological disaster |
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